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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D. C. 20549

FORM 10-K

(Mark One)

☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the fiscal year ended December 31, 2024

☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
For the transition period from to

Commission file number 001-11294

Unum Group
(Exact name of registrant as specified in its charter)
Delaware
62-1598430
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
1 Fountain Square
Chattanooga, Tennessee
37402
(Address of principal executive offices)(Zip Code)
(423)294-1011
(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common stock, $0.10 par value
UNM
New York Stock Exchange
6.250% Junior Subordinated Notes due 2058
UNMA
New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act. Yes [X] No [ ]

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes [ ] No [X]

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ]

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes [X] No [ ]



Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.
(Check one):
Large Accelerated Filer
xAccelerated filer☐
Non-accelerated filer¨ Smaller reporting company ☐
Emerging growth company☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.             ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☒

The aggregate market value of the shares of the registrant's common stock held by non-affiliates (based upon the closing price of these shares on the New York Stock Exchange) as of the last business day of the registrant's most recently completed second fiscal quarter was $9.6 billion. As of February 25, 2025, there were 176,777,741 shares of the registrant's common stock outstanding.


DOCUMENTS INCORPORATED BY REFERENCE

Portions of the information required by Part III of this Form 10-K are incorporated herein by reference from the registrant's definitive proxy statement for its 2025 Annual Meeting of Stockholders which will be filed with the Securities and Exchange Commission pursuant to Regulation 14A under the Securities Exchange Act of 1934, as amended, within 120 days after the end of the registrant's fiscal year ended December 31, 2024.



 TABLE OF CONTENTS
Page


Cautionary Statement Regarding Forward-Looking Statements
The Private Securities Litigation Reform Act of 1995 (the Act) provides a "safe harbor" to encourage companies to provide prospective information, as long as those statements are identified as forward-looking and are accompanied by meaningful cautionary statements identifying important factors that could cause actual results to differ materially from those included in the forward-looking statements. Certain information contained in this Annual Report on Form 10-K (including certain statements in the business description in Item 1, Management's Discussion and Analysis in Item 7, and the consolidated financial statements and related notes in Item 8), or in any other written or oral statements made by us in communications with the financial community or contained in documents filed with the Securities and Exchange Commission (SEC), may be considered forward-looking statements within the meaning of the Act. Forward-looking statements are those not based on historical information, but rather relate to our outlook, future operations, strategies, financial results, or other developments. Forward-looking statements speak only as of the date made. We undertake no obligation to update these statements, even if made available on our website or otherwise. These statements may be made directly in this document or may be made part of this document by reference to other documents filed by us with the SEC, a practice which is known as "incorporation by reference." You can find many of these statements by looking for words such as "will," "may," "should," "could," "believes," "expects," "anticipates," "estimates," "plans," "assumes," "intends," "projects," "goals,” "objectives," or similar expressions in this document or in documents incorporated herein.

These forward-looking statements are subject to numerous assumptions, risks, and uncertainties, many of which are beyond our control. We caution readers that the following factors, in addition to other factors mentioned from time to time, may cause actual results to differ materially from those contemplated by the forward-looking statements:

•Fluctuation in insurance reserve liabilities, claim payments, and pricing due to changes in claim incidence, recovery rates, mortality and morbidity rates, and policy benefit offsets due to, among other factors, the rate of unemployment and consumer confidence, the emergence of new diseases, epidemics, or pandemics, new trends and developments in medical treatments, the effectiveness of our claims operational processes, and changes in governmental programs.
•Sustained periods of low interest rates.
•Unfavorable economic or business conditions, both domestic and foreign, that may result in decreases in sales, premiums, or persistency, as well as unfavorable claims activity or unfavorable returns on our investment portfolio.
•Changes in, or interpretations or enforcement of, laws and regulations.
•A cybersecurity attack or other security breach resulting in compromised data or the unauthorized acquisition of confidential data.
•The failure of our business recovery and incident management processes to resume our business operations in the event of a natural catastrophe, cybersecurity attack, or other event.
•Increased competition from other insurers and financial services companies due to industry consolidation, new entrants to our markets, or other factors.
•The impact of pandemics and other public health issues on our business, financial position, results of operations, liquidity and capital resources, and overall business operations.
•Investment results, including, but not limited to, changes in interest rates, defaults, changes in credit spreads, impairments, and the lack of appropriate investments in the market which can be acquired to match our liabilities.
•Ineffectiveness of our derivatives hedging programs due to changes in forecasted cash flows, the economic environment, counterparty risk, ratings downgrades, capital market volatility, collateral requirements, changes in interest rates, and/or regulation.
•Our use of artificial intelligence technology, as well as changes in artificial intelligence laws and regulations.
•Changes in our financial strength and credit ratings.
•Our ability to hire and retain qualified employees.
•Our ability to develop digital capabilities or execute on our technology systems upgrades or replacements.
•Availability of reinsurance in the market and the ability of our reinsurers to meet their obligations to us.
•Disruptions to our business or our ability to access data caused by the use and reliance on third party vendors, including vendors providing web and cloud-based applications.
•Ability to generate sufficient internal liquidity and/or obtain external financing.
•Damage to our reputation due to, among other factors, regulatory investigations, legal proceedings, external events, and/or inadequate or failed internal controls and procedures.
•Recoverability and/or realization of the carrying value of our intangible assets, long-lived assets, and deferred tax assets.
•Effectiveness of our risk management program.
•Contingencies and the level and results of litigation.
1
•Fluctuation in foreign currency exchange rates.
•Our ability to meet sustainability standards and expectations of investors, regulators, customers, and other stakeholders.

All subsequent written and oral forward-looking statements attributable to us or any person acting on our behalf are expressly qualified in their entirety by the cautionary statements contained or referred to in this section.
2
PART I

ITEM 1. BUSINESS

General

Unum Group, a Delaware general business corporation, and its insurance and non-insurance subsidiaries, which collectively with Unum Group we refer to as the Company, operate in the United States, the United Kingdom, Poland, and, to a limited extent, in certain other countries. The principal operating subsidiaries in the United States are Unum Life Insurance Company of America (Unum America), Provident Life and Accident Insurance Company (Provident), The Paul Revere Life Insurance Company (Paul Revere Life), Colonial Life & Accident Insurance Company, Unum Insurance Company, Starmount Life Insurance Company (Starmount), in the United Kingdom, Unum Limited, and in Poland, Unum Zycie TUiR S.A. (Unum Poland). We are a leading provider of financial protection benefits in the United States and the United Kingdom. Our products include disability, life, accident, critical illness, dental and vision, and other related services. We market our products primarily through the workplace.

We have three principal operating segments: Unum US, Unum International, and Colonial Life. Our other operating segments are the Closed Block and Corporate segments. These segments are discussed more fully under "Reportable Segments" included herein in this Item 1.

Business Strategies

The benefits we provide help the working world thrive throughout life's moments and protect people from the financial hardship of illness, injury, or loss of life. As a leading provider of employee benefits, we offer a broad portfolio of products and services through the workplace that provide support when it is needed most.

Specifically, we offer disability, life and voluntary products, on both individual and group bases, as well as provide certain fee-based services. These products and services, which can be sold stand-alone or combined with other coverages, help employers of all sizes attract and retain the talented and capable workforce they need to succeed while protecting the incomes and livelihood of their employees. We believe employer-sponsored benefits are the most effective way to provide workers with access to information and options to protect their financial stability. Working people and their families, particularly those at lower and middle incomes, are perhaps the most vulnerable in today's economy yet are often overlooked by many providers of financial products and services. For many of these workers and families, employer-sponsored benefits are the primary defense against the potentially catastrophic financial impact of death, illness, or injury.
 
We have established a corporate culture consistent with the social value of our products and services. We see important links between the obligations we have to all of our stakeholders, and we place a strong emphasis on operating with integrity and contributing to positive change in our communities. Accordingly, we are committed not only to meeting the needs of our customers who depend on us, but also to being accountable for our actions through sound and consistent business practices, a strong internal compliance program, a comprehensive risk management strategy, and an engaged employee workforce.
 
We believe our disciplined approach to providing financial protection products at the workplace puts us in a position of strength. The products and services we provide have never been more important to employers, employees, and their families. Our strategy remains centered on growing our core businesses through investing and transforming our operations and technology to anticipate and respond to the changing needs of the marketplace, driving enhanced customer experiences and expanding into new adjacent markets through meaningful partnerships and effective deployment of our capital across our portfolio.

We continue to analyze and employ strategies we believe will help us navigate the current environment and allow us to maintain financial flexibility to support the needs of our businesses while also allowing us to return capital to our shareholders. As we have seen in the current environment, we have substantial leverage to inflation and strong labor markets which generate wage and payroll growth. To the extent that our own costs increase as a result of wage inflation, we have the ability to adjust our prices on new and renewing business to reflect these higher costs.

Long-term, we believe that consistent operating results, combined with the implementation of strategic initiatives and the effective deployment of capital, will allow us to meet our financial objectives.
3
Reportable Segments

Our reportable segments are comprised of the following: Unum US, Unum International, Colonial Life, Closed Block, and Corporate. The percentage of consolidated premium income generated by each reportable segment for the year ended December 31, 2024 is as follows:

Unum US65.6 %
Unum International9.0 
Colonial Life17.0 
Closed Block8.4 
Total100.0 %

Financial information is provided in "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7 and Note 15 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Unum US Segment

Our Unum US segment is comprised of group disability, group life and accidental death and dismemberment, and supplemental and voluntary lines of business. The group disability line of business includes long-term and short-term disability, medical stop-loss, and fee-based service products. The supplemental and voluntary line of business includes voluntary benefits, individual disability, and dental and vision products. Unum US products are issued primarily by Unum America, Provident, Starmount, and Unum Insurance Company. These products, excluding medical stop-loss which is no longer marketed as of the third quarter of 2024, are marketed through our field sales personnel who work in conjunction with independent brokers and consultants. Our market strategy for Unum US is to effectively deliver an integrated offering of employee benefit products in the group core market, which we define for Unum US as employee groups with fewer than 2,000 employees, the group large case market, and the supplemental and voluntary market.

The percentage of Unum US segment premium income generated by each product line during 2024 is as follows:

Group Disability46.1 %
Group Life and Accidental Death & Dismemberment28.6 
Voluntary Benefits12.8 
Individual Disability8.2 
Dental and Vision4.3 
Total100.0 %

Group Long-term and Short-term Disability

We sell group long-term and short-term disability products to employers for the benefit of employees.

Group long-term disability provides employees with insurance coverage for loss of income in the event of extended work absences due to sickness or injury. We offer services to employers and insureds to encourage and facilitate rehabilitation, retraining, and re-employment. Most policies begin providing benefits following 90 or 180 day waiting periods and continue providing benefits until the employee reaches a certain age, generally between 65 and 70, or recovers from the disability. The benefits are limited to specified maximums as a percentage of income. Also included in our long-term disability product line is our medical stop-loss product, which is no longer actively marketed as of the third quarter of 2024. As our medical stop-loss contracts were renewable on an annual basis, no medical stop-loss policies will remain in-force as of the third quarter of 2025. This product was designed to protect self-insured employers if their employees' medical claims exceed certain agreed upon thresholds.

Group short-term disability insurance generally provides coverage from loss of income due to injury or sickness for up to 26 weeks and is limited to specified maximums as a percentage of income. Benefits are typically effective after 0 to 30 days for accidents and after 7 to 30 days for sickness.
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Our fee-based services include leave management and administrative services only (ASO) business. Leave management services provide administrative services on behalf of employers to ensure the protected leave eligibility and status for employees are in accordance with applicable laws and regulations. ASO products provide administrative services regarding claims processing and billing for self-insured customers for which the responsibility for funding claim payments remains with the customer.

Premiums for group long-term and short-term disability are generally based on expected claims of a pool of similar risks plus provisions for administrative expenses, investment income, and profit. In some cases, coverage for large employers will include retrospective experience rating provisions or will be underwritten on an experience-rated basis. Premiums for experience-rated group long-term and short-term disability business are based on the expected experience of the client given its demographics, industry group, and location, adjusted for the credibility of the specific claim experience of the client. Both group long-term and short-term disability are sold primarily on a basis permitting periodic repricing to address the underlying claims experience. Fees for our leave management services and ASO business are generally based on the number of covered employees and an agreed-upon per-employee, per-month rate. Premiums for our medical stop-loss product were generally based on the number of covered employees in self-insured employer groups and their estimated overall health risk plus provisions for administrative expenses, and profit.

We have defined underwriting practices and procedures. If the coverage amount for our disability policies exceeds certain prescribed age and amount limits, we may require a prospective insured to submit evidence of insurability. Our disability policies are typically issued, both at inception and renewal, with rate guarantees. For new group policyholders, the usual rate guarantee is one to three years. For group policies being renewed, the rate guarantee is generally one year, but may be longer. The profitability of the policy depends on the adequacy of the rate during the rate guarantee period. The contracts provide for certain circumstances in which the rate guarantees can be overridden.

Profitability of group long-term and short-term disability insurance is affected by sales, persistency, investment returns, claims experience, and the level of administrative expenses. Morbidity is an important factor in disability claims experience, and many economic and societal factors can affect claim incidence for disability insurance. We routinely make pricing adjustments on our group long-term and short-term disability insurance products, when contractually permitted, which take into account emerging experience and external factors.

Group Life and Accidental Death and Dismemberment

Group life and accidental death and dismemberment products are sold to employers as employee benefit products. Group life consists primarily of renewable term life insurance with the coverages frequently linked to employees' wages and includes a provision for waiver of premium, if disabled. Accidental death and dismemberment consists primarily of an additional benefit amount payable if death or severe injury is attributable to an accident.

Premiums are generally based on expected claims of a pool of similar risks plus provisions for administrative expenses, investment income, and profit. Underwriting practices and rate guarantees are similar to those used for group disability products, and evidence of insurability is required for benefits in excess of a specified limit.

Profitability of group life and accidental death and dismemberment insurance is affected by persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.

Voluntary Benefits

Voluntary benefits products are primarily sold to groups of employees through payroll deduction at the workplace and include accident, disability, life, hospital indemnity, cancer, and critical illness. Products are issued on both a group and individual basis.

Premiums are generally based on assumptions for morbidity, mortality, persistency, administrative expenses, investment income, and profit. We develop our assumptions based on our own experience and published industry tables. Our underwriters may evaluate the medical condition of prospective policyholders prior to the issuance of a policy on a simplified basis. However, underwriting requirements are often waived for cases that meet certain criteria, including participation levels. Individual voluntary benefits products other than life insurance are offered on a guaranteed renewable basis which allows us to
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reprice in-force policies, subject to regulatory approval. Group voluntary benefits products are offered primarily on an optionally renewable basis which allows us to reprice or terminate in-force policies.

Profitability of voluntary benefits products is affected by the level of employee participation, persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.

Individual Disability

Individual disability products are offered primarily to multi-life employer groups to supplement their group disability plans and may be funded by the employer, but the majority of our individual disability policies are entirely owned by the employee and are portable. Individual disability insurance provides the insured with a portion of earned income lost as a result of sickness or injury. The benefits, including the underlying group disability coverage, typically range from 30 percent to 75 percent of the insured's monthly earned income. We provide various options with respect to length of benefit periods, product features, and waiting periods before benefit payments begin, which permit tailoring of the multi-life plan to a specific employer's needs. We also market individual disability policies which include payments for the transfer of business ownership between partners and payments for business overhead expenses, also on a multi-life basis. Individual disability products do not provide for the accumulation of cash values.

Premium rates for individual disability products vary by age, product features, industry, region, and occupation based on assumptions concerning morbidity, mortality, persistency, administrative expenses, investment income, and profit. We develop our assumptions based on our own experience. Our underwriting rules, issue limits, and plan designs reflect risk and the financial circumstances of prospective insureds. Individuals in multi-life groups may be subject to limited medical underwriting. The majority of our individual disability policies are written on a noncancelable basis. Under a noncancelable policy, as long as the insured continues to pay the fixed annual premium for the policy's duration, we cannot cancel the policy or change the premium.

Profitability of individual disability insurance is affected by persistency, investment returns, claims experience, and the level of administrative expenses.

Dental and Vision

Group dental and vision products are sold to employers as employee benefit products. Our group dental products include a variety of insured and self-insured dental care plans including preferred provider organizations and scheduled reimbursement plans. Our group vision products provide coverage that includes a range of both in-network and out-of-network benefits for routine vision services offered either in conjunction with our dental product offerings or as stand-alone coverage.

Premiums for small case group dental and vision products are generally based on expected claims of a pool of similar risks plus a provision for administrative expenses, investment income, and profit. Premiums for large employer groups are underwritten on an experience-rated basis.

Profitability of our dental and vision products is affected by persistency, claims experience, the level of administrative expenses, and to a lesser extent, investment returns.

Unum International Segment

Our Unum International segment includes our operations in the United Kingdom and Poland. Unum UK's business includes insurance for group long-term disability, group life, and supplemental lines of business which include dental, individual disability, and critical illness products. Unum Poland's business primarily includes insurance for individual and group life with accident and health riders. Unum International's products are sold primarily through field sales personnel and independent brokers and consultants. The market strategy for the segment is to offer benefits to employers and employees through the workplace, with a focus on the expansion of the number of employers and employees covered in our Unum UK business, and the growth of the existing Unum Poland business through the incorporation of our benefits and distribution expertise.

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The percentage of Unum International segment premium income generated by each product line during 2024 is as follows:
Unum UK
Group Long-term Disability44.0 %
Group Life22.3 
Supplemental17.4 
Unum Poland16.3 
Total100.0 %

Unum UK Group Long-term Disability

Group long-term disability products are sold to employers for the benefit of employees. Group long-term disability provides employees with insurance coverage for loss of income in the event of extended work absences due to sickness or injury. Services are offered to employers and insureds to encourage and facilitate rehabilitation, retraining, and re-employment. Most policies begin providing benefits following 90 or 180 day waiting periods and continue providing benefits until the employee reaches a certain age or reaches the end of the limited period specified in the policy terms. The benefits are limited to specified maximums as a percentage of income.

Premiums for group long-term disability are generally based on expected claims of a pool of similar risks plus provisions for administrative expenses, investment income, and profit. Some cases carry experience rating provisions. Premiums for experience-rated group long-term disability business are based on the expected experience of the client given its demographics, industry group, and location, adjusted for the credibility of the specific claim experience of the client. Policies are sold primarily on a basis permitting periodic repricing to address the underlying claims experience.

We have defined underwriting practices and procedures.  If the coverage amount exceeds certain prescribed age and amount limits, we may require a prospective insured to submit evidence of insurability. Policies are typically issued, both at inception and renewal, with rate guarantees. The usual rate guarantee is two years but may vary depending on circumstances.  The profitability of the policy is dependent upon the adequacy of the rate during the rate guarantee period. The contracts provide for certain circumstances in which the rate guarantees can be overridden.

Profitability of group long-term disability insurance is affected by sales, persistency, investment returns, claims experience, and the level of administrative expenses. Morbidity is an important factor in disability claims experience. We routinely make pricing adjustments on our group insurance products, when contractually permitted, which take into account emerging experience and external factors.

Unum UK Group Life

Group life products are sold to employers as employee benefit products. Group life consists of two types of products, a renewable term life insurance product and a group dependent life product. The renewable term life product provides a lump sum benefit to the beneficiary upon the death of an employee. The group dependent life product, which we discontinued offering to new customers in 2012, provides an annuity to the beneficiary upon the death of an employee. Both coverages are frequently linked to employees' wages. Premiums for group life are generally based on expected claims of a pool of similar risks plus provisions for administrative expenses, investment income, and profit. Underwriting and rate guarantees are similar to those utilized for Unum UK group long-term disability products.

Profitability of group life is affected by sales, persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.    

Unum UK Supplemental

Supplemental products are sold to employers and groups of employees and include group critical illness and group dental products. Group critical illness products provide a lump-sum benefit on the occurrence of a covered critical illness event. Group dental products generally provide fixed benefits based on specified treatments or a portion of the cost of the treatment. Beginning in 2022, supplemental products are no longer actively marketed to individual customers.

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Premiums for group critical illness products are generally based on expected claims of a pool of similar risks plus provisions for administrative expenses, investment income, and profit. Underwriting and rate guarantees are similar to those utilized for Unum UK group long-term disability products. Premiums for group dental products are generally based on expected claims of a pool of similar risks plus provisions for administrative expenses and profit, with minor pricing variation based on the number of covered employees in the group. Profitability of our supplemental products is affected by persistency, investment returns, claims experience, and the level of administrative expenses.

Unum Poland

Unum Poland products, which include both individual and group life products, provide renewable term and whole life insurance with accident and health riders. Premiums are based on expected claims of a pool of similar risks plus provisions for administrative expenses, investment income, and profit. Profitability of our Unum Poland products is affected by persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.

Colonial Life Segment

Our Colonial Life segment includes the accident, sickness, and disability product line, life product line, and cancer and critical illness product line. Products are issued primarily by Colonial Life & Accident Insurance Company and marketed to employees, on both a group and an individual basis, at the workplace through an independent contractor agent sales force and brokers. Our market strategy for Colonial Life is to effectively deliver a broad set of voluntary products and services in the public sector and in the commercial sector, with a particular focus on the core market, which we define for Colonial Life as accounts with fewer than 1,000 employees.

Our underwriters evaluate the medical condition of prospective policyholders prior to the issuance of a policy on a simplified basis. Underwriting requirements may be waived for cases that meet certain criteria, including participation levels.

The percentage of Colonial Life segment premium income generated by each product line during 2024 is as follows:

Accident, Sickness, and Disability54.3 %
Life25.7 
Cancer and Critical Illness20.0 
Total100.0 %

Accident, Sickness, and Disability

The accident, sickness, and disability product line consists of short-term disability policies, accident-only policies providing benefits for injuries on a specified loss basis, and our dental and vision policies. It also includes accident and health policies which cover events such as hospital admissions, confinement, and surgeries.

Premiums are generally based on assumptions for morbidity, mortality, persistency, administrative expenses, investment income, and profit. We develop our assumptions based on our own experience and published industry tables. Premiums are primarily individual guaranteed renewable which allows us to change premiums on a state by state basis. Some policies are written on a group basis which are offered primarily on an optionally renewable basis which allows us to reprice or terminate in-force policies. Premiums for our dental and vision products are guaranteed renewable with rates that vary by age and region.
Profitability is affected by the level of employee participation, persistency, investment returns, claims experience, and the level of administrative expenses.

Life

Life products are primarily comprised of universal life, whole life, and term life policies. We discontinued offering universal life policies in 2019.

Premiums are generally based on assumptions for mortality, persistency, administrative expenses, investment income, and profit. We develop our assumptions based on our own experience and published industry tables. Premiums for the individual
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whole life and term life products are guaranteed for the life of the contract. Premiums for the individual universal life products are flexible and may vary at the individual policyholder level. For the group term life products, we retain the right to change premiums at the account level based on the experience of the account.

Profitability is affected by the level of employee participation, persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.

Cancer and Critical Illness

Cancer policies provide various benefits for the treatment of cancer including hospitalization, surgery, radiation, and chemotherapy. Critical illness policies provide a lump-sum benefit and/or fixed payments on the occurrence of a covered critical illness event.

Premiums are generally based on assumptions for morbidity, mortality, persistency, administrative expenses, investment income, and profit. We develop our assumptions based on our own experience and published industry tables. Premiums are primarily individual guaranteed renewable wherein we have the ability to change premiums on a state by state basis. Some policies are written on a group basis and are offered primarily on an optionally renewable basis which allows us to reprice or terminate in-force policies.

Profitability of these products is affected by the level of employee participation, persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.

Closed Block Segment

Our Closed Block segment consists of group and individual long-term care and other insurance products no longer actively marketed. Closed Block segment premium income for 2024 was comprised of approximately 79 percent group and individual long-term care and 21 percent other insurance products.

Group and Individual Long-term Care

We discontinued offering individual long-term care in 2009 and group long-term care in 2012. Group long-term care was previously offered to employers for the benefit of employees. Individual long-term care was previously marketed on a single-life customer basis.

Long-term care insurance pays a benefit upon the loss of two or more activities of daily living and the insured's requirement of standby assistance or cognitive impairment. Payment is generally made on an indemnity basis, regardless of expenses incurred, up to a lifetime maximum. Benefits begin after a waiting period, usually 90 days or less, and are generally paid for a period of three years, six years, or lifetime.

Our long-term care insurance was sold on a guaranteed renewable basis which allows us to reprice in-force policies, subject to regulatory approval. Premium rates for long-term care vary by age and are based on assumptions concerning morbidity, mortality, persistency, administrative expenses, investment income, and profit. Premium rate increases continue to be implemented where needed and where approved by state regulators. We develop our assumptions based on our own claims and persistency experience and published industry tables.

Profitability is affected by premium rate increases, persistency, investment returns, mortality and other claims experience, and the level of administrative expenses.

Other

Other insurance products not actively marketed include individual disability, group pension, individual life and corporate-owned life insurance, reinsurance pools and management operations, and other miscellaneous product lines. The majority of these products have been reinsured, with approximately 84 percent of reserves at December 31, 2024 ceded to other insurance companies.

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Corporate Segment

Our Corporate segment includes investment income on corporate assets not specifically allocated to a line of business, interest expense on corporate debt, and certain other corporate income and expenses not allocated to a line of business.

Reinsurance

In the normal course of business, we assume reinsurance from and cede reinsurance to other insurance companies. In a reinsurance transaction, a reinsurer agrees to indemnify another insurer for part or all of its liability under a policy or policies it has issued for an agreed upon premium or fee. We undertake reinsurance transactions for both risk management and capital management. If the assuming reinsurer in a reinsurance agreement is unable to meet its obligations, we remain contingently liable. In the event that reinsurers do not meet their obligations under the terms of the reinsurance agreement, reinsurance recoverable balances could become uncollectible. We evaluate the financial condition of reinsurers to whom we cede business and monitor concentration of credit risk to minimize our exposure. We may also require assets to be held in trust, letters of credit, or other acceptable collateral to support reinsurance recoverable balances. The collectability of our reinsurance recoverable is primarily a function of the solvency of the individual reinsurers. Although we have controls to minimize our exposure, the insolvency of a reinsurer or the inability or unwillingness of a reinsurer to comply with the terms of a reinsurance contract could have a material adverse effect on our results of operations.

In general, the maximum amount of life insurance risk retained by our U.S. insurance subsidiaries under group or individual life or group or individual accidental death and dismemberment policies during 2024 was $1 million per covered life per policy. The retention amount remains at $1 million for 2025. For Unum Limited life insurance risk, during 2024 we had reinsurance agreements which provided 20 percent quota share coverage up to £500 thousand per covered life for group lump sum benefits, as well as 100 percent coverage per covered life above that amount. For Unum Limited, during 2025, we have reinsurance agreements which provide 15 percent quota share coverage for group lump sum benefits up to £500 thousand per covered life as well as 80 percent coverage per covered life for benefits above £500 thousand up to £2 million. For Unum Limited, in both 2024 and 2025, we have reinsured 100 percent of benefits in excess of £2 million for both group dependents and lump sum benefits.

We have global catastrophic reinsurance coverage which covers all Unum Group insurance companies and includes four layers of coverage to limit our exposure under life, accidental death and dismemberment, long-term care, and disability policies in regard to a catastrophic event. Each layer provides coverage for catastrophic events, including most acts of war and any type of terrorism. As of December 31, 2024, we had up to $1 million of coverage per person per policy for each U.S. and Poland covered line of business, and up to £2 million of coverage for each U.K. covered line of business. Effective January 1, 2025, we have up to $4 million of coverage per person for each U.S. and Poland covered line of business, and up to £2 million of coverage for each U.K. covered line of business. We have the following coverage for 2025, after a $150 million deductible:
Layer
Coverage Layer (in millions)
Percent Coverage
Coverage (in millions)
First$100.0 50.0 %$50.0 
Second100.0 55.0 55.0 
Third150.0 55.0 82.5 
Fourth300.0 55.0 165.0 
Total Catastrophic Coverage$352.5 

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In addition to the global catastrophic reinsurance coverage noted above, Unum Limited has additional catastrophic coverage via an arms-length, intercompany reinsurance agreement with Unum America, under similar terms as the global catastrophic treaties. Unum Limited has the following additional coverage for 2025, after a £77.5 million deductible:

Layer
Coverage Layer (in millions)
Percent Coverage
Coverage (in millions)
First£38.8 25.0 %£9.7 
Second77.6 50.0 38.8 
Total Catastrophic Coverage£48.5 

Unum Poland had additional global catastrophic reinsurance coverage of up to zł 100 million per event, or up to zł 200 million for the year, with a maximum retention limit of zł 2 million in 2024 and 2025. Insurable events included passive war, as well as nuclear, chemical, biological and other forms of terrorism.

Events may occur which limit or eliminate the availability of catastrophic reinsurance coverage in future years.

We exited a substantial portion of our Closed Block individual disability product line through two phases of a reinsurance transaction with Commonwealth Annuity and Life Insurance Company (Commonwealth) in December 2020 and March 2021. As a part of the transaction, Provident, Paul Revere Life, and Unum America (the ceding companies), each finalized separate reinsurance agreements with Commonwealth to reinsure, on a coinsurance and modified coinsurance basis, a substantial portion of the Closed Block individual disability business. Commonwealth established and maintains collateralized trust accounts for the benefit of the ceding companies to secure its obligations under the reinsurance agreements.

Also in December 2020, Provident Life and Casualty Insurance Company (PLC), a wholly-owned domestic insurance subsidiary of Unum Group, entered into, and subsequently amended in March 2021, an agreement with Commonwealth whereby PLC will provide a 12-year volatility cover to Commonwealth for the active life cohort (ALR cohort) ceded as a part of the reinsurance transaction described above. At the end of the 12-year coverage period, Commonwealth will retain the risk for the remaining incidence and claims risk on the ALR cohort of the ceded business. Under this volatility cover, annual settlements will be made equal to the difference between the actual and estimated cash flows and reserve changes during the year. Upon expiration of the 12-year period, a terminal settlement will be made based on the final reserves for the ALR cohort. Due to the nature of the volatility cover, the ALR cohort is accounted for under the deposit method on a U.S. generally accepted accounting principles (GAAP) basis.

We have a quota share reinsurance agreement under which we cede certain blocks of Unum US group long-term disability claims. The agreement is on a combination coinsurance with funds withheld and modified coinsurance basis and provides 90 percent quota share reinsurance on the ceded claims. We also have five reinsurance agreements that collectively cede approximately 65 percent of Unum US group life risk up to our per person retention limit for our U.S. insurance subsidiaries. These reinsurance agreements for Unum US group disability and group life allow us to more effectively manage capital in conformity with statutory accounting principles but do not meet insurance risk transfer in accordance with applicable GAAP and therefore are not accounted for as reinsurance in our consolidated GAAP financial statements.

In 2024, we ceded 20 percent of the risk for certain blocks of recently issued Unum US individual disability policies, as well as some related claims development risk on a non-proportional modified coinsurance basis with a provision for experience refunds. This agreement terminated effective January 1, 2025. Effective January 1, 2025, we ceded 30 percent of the risk for most of our recently issued Unum US individual disability policies. This agreement is on a coinsurance with funds withheld basis with a provision for experience refunds. The new agreement allows us to more effectively manage capital in conformity with statutory accounting principles but does not meet insurance risk transfer in accordance with applicable GAAP and therefore will not be accounted for as reinsurance in our consolidated GAAP financial statements.

Unum America cedes certain long-term care business to Fairwind Insurance Company (Fairwind), which is an affiliated captive reinsurance subsidiary (captive reinsurer) domiciled in the United States, with Unum Group as the ultimate parent. This captive reinsurer was established for the limited purpose of reinsuring risks attributable to specified policies issued or reinsured by Unum America in order to effectively manage risks in connection with this business as well as to enhance our capital efficiency. On a consolidated reporting basis for Unum Group, financial statement impacts of our reinsurance arrangements with affiliates are eliminated in accordance with GAAP.
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For further discussion of our reinsurance activities, refer to "Risk Factors" contained herein in Item 1A; "Executive Summary," "Consolidated Operating Results," "Segment Results," and "Liquidity and Capital Resources - Cash Available from Subsidiaries" contained herein in Item 7, and Notes 1, 14, and 18 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Liabilities for Future Policy Benefits

The applicable insurance laws under which insurance companies operate require that they report liabilities for future policy benefits to meet future obligations on their outstanding policies. These liabilities are the amounts which, with the additional premiums to be received and interest thereon compounded annually at certain assumed rates, are calculated to be sufficient to meet the various policy and contract obligations as they mature. These laws specify that the liabilities shall not be less than liabilities calculated using certain specified mortality and morbidity tables, interest rates, and methods of valuation required for statutory accounting.

The liabilities for future policy benefits reported in our financial statements contained herein are calculated in conformity with GAAP and differ from those specified by the laws of the various states and reported in the statutory financial statements of our insurance subsidiaries. These differences result from the use of mortality and morbidity tables which we believe are more representative of the expected experience for these policies than those required for statutory accounting purposes and also result from differences in actuarial reserving methods and interest rate assumptions.

The assumptions we use to calculate our liabilities are intended to represent an estimate of experience for the period that policy benefits are payable. Some of the key assumptions include the discount rate, the claim resolution rate, the claim incidence rate, and policyholder lapse and mortality. There are also some key assumptions that are applicable only to certain product lines. Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently, if necessary, based on trending experience and future expectations. On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience.

The change in the liability for future policy benefits, at the original discount rate, as of the beginning of the period, resulting from changes in cash flow assumptions and resulting from the emergence of actual experience from expected experience, is reflected as the 'policy benefits - remeasurement loss (gain)' in the consolidated statements of income. The impact of all other changes in the liability for future policy benefits are reflected as policy benefits in the consolidated statements of income.

For further discussion of our liabilities for future policy benefits, refer to "Risk Factors" contained herein in Item 1A, "Critical Accounting Estimates", and the discussion of segment operating results included in "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7, and Notes 1 and 6 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Investments

Investment activities are an integral part of our business, and profitability is significantly affected by investment results. We segment our invested assets into portfolios that support our various product lines. Generally, our investment strategy for our portfolios is to match the effective asset cash flows and durations with related expected liability cash flows and durations to consistently meet the liability funding requirements of our businesses and to manage interest rate risk. We seek to earn investment income while assuming risk in a prudent and selective manner, subject to the constraints of quality, liquidity, diversification, and regulatory considerations. Our overall investment philosophy is to invest in a portfolio of high quality assets that provide investment returns consistent with that assumed in the pricing of our insurance products. Assets are invested predominately in fixed maturity securities.

We may redistribute investments among our different lines of business or sell selected securities and reinvest the proceeds, when necessary, to adjust the cash flow and/or duration of the asset portfolios to better match the cash flow and duration of the liability portfolios. Asset and liability portfolio modeling is updated on a quarterly basis and is used as part of the overall interest rate risk management strategy. Cash flows from the in-force asset and liability portfolios are projected at current interest rate levels and at levels reflecting an increase and a decrease in interest rates to obtain a range of projected cash flows under the different interest rate scenarios. These results enable us to assess the impact of projected changes in cash flows and duration resulting from potential changes in interest rates. Testing the asset and liability portfolios under various interest rate
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scenarios enables us to choose what we believe to be the most appropriate investment strategy, as well as to limit the risk of disadvantageous outcomes. Although we test the asset and liability portfolios under various interest rate scenarios as part of our modeling, the majority of our liabilities related to insurance contracts are not interest rate sensitive, and we therefore have minimal exposure to policy withdrawal risk. Our determination of investment strategy relies on long-term measures such as reserve adequacy analysis and the relationship between the portfolio yields supporting our various product lines and the aggregate discount rate assumptions embedded in the reserves. We also use this analysis in determining hedging strategies and utilizing derivative financial instruments to manage interest rate risk and the risk related to matching duration for our assets and liabilities. We do not use derivative financial instruments for speculative purposes.

Refer to "Risk Factors" contained herein in Item 1A; "Critical Accounting Estimates" and the discussion of investments in "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7; "Quantitative and Qualitative Disclosures About Market Risk" herein in Item 7A; and Notes 1, 2, 3, and 4 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for information on our investments and derivative financial instruments.

Ratings

A.M. Best Company (AM Best), Fitch Ratings (Fitch), Moody's Ratings (Moody's), and S&P Global Ratings (S&P) are among the third parties that assign issuer credit ratings to Unum Group and financial strength ratings to our insurance subsidiaries. Issuer credit ratings reflect an agency's opinion of the overall financial capacity of a company to meet its senior debt obligations. Financial strength ratings are specific to each individual insurance subsidiary and reflect each rating agency's view of the overall financial strength (capital levels, earnings, growth, investments, business mix, operating performance, and market position) of the insuring entity and its ability to meet its obligations to policyholders. Both the issuer credit ratings and financial strength ratings incorporate quantitative and qualitative analyses by rating agencies and are routinely reviewed and updated on an ongoing basis.
 
Rating agencies assign an outlook statement of "positive," "negative," or "developing" to indicate an intermediate-term trend in credit fundamentals which could lead to a rating change. "Positive" means that a rating may be raised, "negative" means that a rating may be lowered, and "developing" means that a rating may be raised or lowered with equal probability. Alternatively, a rating may have a "stable" outlook to indicate that the rating is not expected to change.

"Credit watch" or "under review" highlights the potential direction of a short-term or long-term rating. It focuses on identifiable events and short-term trends that cause a rating to be placed under heightened surveillance by a rating agency. Events that may trigger this action include mergers, acquisitions, recapitalizations, regulatory actions, criteria changes, or operating developments. Ratings may be placed on credit watch or under review when an event or a change in an expected trend occurs and additional information is needed to evaluate the current rating level. This status does not mean that a rating change is inevitable, and ratings may change without first being placed on a watch list. A rating is not a recommendation to buy, sell, or hold securities and may be subject to revision or withdrawal at any time by the rating agency. Each rating should be evaluated independently of any other rating.

See "Management's Discussion and Analysis of Financial Condition and Results of Operations - Ratings" contained herein in Item 7 for our current outlook, issuer credit, and financial strength ratings. See also further discussion in "Risk Factors" contained herein in Item 1A.

Competition

There is significant competition among insurance companies for the types of products we sell. We are operating in a dynamic competitive environment of both traditional and non-traditional competitors, with changes in product offerings, enrollment services, and technology solutions. We believe that the principal competitive factors affecting our business are quality of the customer experience regarding service and claims management, integrated product choices, enrollment capabilities, connections to third party platforms, deep integration with human capital management systems, price, financial strength ratings, and a solution to allow customers to comply with the changing laws and regulations related to family medical leave benefits.

Our principal competitors for our products include the largest employee benefit insurance companies as well as regional companies offering specialty products. Some of these companies have more competitive pricing or have higher claims-paying ratings. Some may also have greater financial resources with which to compete.
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In the United Kingdom and Poland, where we sell both individual and group products, we compete with a mix of large internationally recognized providers and strong local carriers. 

All areas of the employee benefits markets are highly competitive due to the yearly renewable term nature of certain of our products and the large number of insurance companies offering products in this market. As a result, there is a risk that our customers may seek coverage from competitors in lieu of renewing coverage with us. The effect of competition may, as a result, adversely affect the persistency of these and other products, as well as our ability to sell products in the future.

We must attract and retain independent agents and brokers to actively market our products. Strong competition exists among insurers for agents and brokers. We compete with other insurers for sales agents and brokers primarily on the basis of our product offerings, financial strength, support services, and compensation. Sales of our products could be materially adversely affected if we are unsuccessful in attracting and retaining agents and brokers.

For further discussion, refer to "Risk Factors" contained herein in Item 1A.

Regulation

We and our subsidiaries are subject to extensive and comprehensive supervision and regulation in the United States, the United Kingdom, and Poland. The laws and regulations with which we must comply are complex and subject to change. New or existing laws and regulations may become more restrictive or otherwise adversely affect our operations.

Insurance Regulation and Oversight

Our U.S. insurance subsidiaries are subject to regulation and oversight by insurance regulatory authorities in the jurisdictions in which they do business. State insurance regulators in the U.S. generally have broad powers with respect to all aspects of the insurance business, including the power to: license and examine insurance companies; regulate and supervise sales practices and market conduct; license agents and brokers; approve policy forms; approve premium rates and subsequent increases thereon for certain insurance products; establish reserve requirements and solvency standards; place limitations on shareholder dividends; prescribe the form and content of required financial statements and reports; regulate the types and amounts of permitted investments; regulate the use and disclosure of personal information; and regulate reinsurance transactions. Our U.S. insurance subsidiaries are examined periodically by their states of domicile and by other states in which they are licensed to conduct business. The domestic examinations have traditionally emphasized financial matters, such as reserve adequacy and investment management, as well as market conduct issues, such as sales practices, including the content and use of advertising materials and the licensing and appointing of agents and brokers, and underwriting, claims, and customer service practices, but they can and have covered other subjects, such as corporate governance and cybersecurity. Examinations by non-domestic states typically focus on market conduct. Our U.S. insurance subsidiaries are also subject to assessments by state insurance guaranty associations to cover the proportional cost of insolvent or failed insurers.

We are also regulated by the U.S. Department of Labor (DOL) on a national basis, primarily for the protection of policyholders. The DOL enforces a comprehensive federal statute that regulates claims paying fiduciary responsibilities and reporting and disclosure requirements for most employee benefit plans.

Our U.K. insurance subsidiary, Unum Limited, is subject to dual regulation by the Prudential Regulation Authority (PRA) and the Financial Conduct Authority (FCA). The PRA oversees the financial health and stability of financial services firms and is responsible for the prudential regulation and day-to-day supervision of insurance companies. The FCA seeks to protect consumers and oversees the products and practices of financial services companies in the U.K., including insurance companies.

In 2020, an official bill was passed formalizing the withdrawal of the U.K. from the European Union (EU). A deal was reached later in 2020, on the future trading relationship with the EU, which focused primarily on the trading of goods rather than the U.K.’s service sector. A memorandum of understanding on regulatory cooperation was announced in 2021 and signed by the U.K. and the EU in June 2023. The withdrawal did not have a material impact on our U.K. business. Our Polish business, which is in the EU, was not impacted by the withdrawal.

Our Polish insurance subsidiary, Unum Zycie TUiR, is subject to regulation by the Komisja Nadzoru Finansowego (KNF) of the Financial Supervision Authority (FSA) in Poland. The KNF oversees the financial health and stability of financial services
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firms and is responsible for the prudential regulation and day-to-day supervision of insurance companies and other financial institutions.

Capital Requirements

Risk-based capital (RBC) standards for U.S. life insurance companies are prescribed by the National Association of Insurance Commissioners (NAIC). The domiciliary states of our U.S. insurance subsidiaries have all adopted a version of the NAIC RBC Model Act, which prescribes a system for assessing the adequacy of statutory capital and surplus for all life and health insurers. The basis of the system is a risk-based formula that applies prescribed factors to the various risk elements in a life and health insurer's business to report a minimum capital requirement proportional to the amount of risk assumed by the insurer. The life and health RBC formula is designed to measure annually (i) the risk of loss from asset defaults and asset value fluctuations, (ii) the risk of loss from adverse mortality and morbidity experience, (iii) the risk of loss from a mismatch in asset and liability cash flows due to changing interest rates, and (iv) business risks. The formula is used as an early warning tool to identify companies that are potentially inadequately capitalized. The formula is intended to be used as a regulatory tool only and is not intended as a means to rank insurers generally.

The NAIC continues to review the state-based solvency regulation framework to identify opportunities to respond to national and international insurance regulatory and solvency developments. The topics of its review include capital requirements, governance and risk management, statutory accounting and financial reporting, and reinsurance. This ongoing review has resulted in changes to U.S. insurance regulation and solvency standards, including those for our U.S. insurance subsidiaries.

All states where our traditional U.S. insurance subsidiaries are domiciled require insurers to conduct, at least annually, an own risk and solvency assessment (ORSA), which is a group-level perspective on the risks of current and future business plans and the sufficiency of capital to support those risks. We file an ORSA summary report annually with the applicable insurance regulators.

The NAIC has also developed a group capital calculation (GCC) intended to be used by U.S. regulators as a tool to assess the risks and financial position of insurance groups, including any non-insurance subsidiaries. The NAIC amended the Model Holding Company Act and Regulation to adopt the GCC and implement an annual GCC filing requirement. Our lead state regulator, the Maine Bureau of Insurance (MBOI), adopted the NAIC GCC standards and we submit our GCC report to the MBOI annually. These standards have not had an impact on our capital management.

We are also monitoring the International Association of Insurance Supervisors' (IAIS) development of new capital requirements applicable to Internationally Active Insurance Groups (IAIGs). While we are not currently subject to the reforms adopted by the IAIS, they are a factor influencing the substance and timing of the NAIC's activities around capital.

The NAIC and state insurance regulators continue to examine the industry's use of captive insurance companies to transfer insurance risk and reserves required under current regulations. No changes in the use or regulation of captive reinsurers have been proposed by the NAIC, and we are unable to predict the extent of any changes that might be made. Fairwind remains our only captive reinsurer. We expect to continue our strategy of using a captive reinsurer to manage risks while monitoring the NAIC's study and proposed changes in regulations. See "Reinsurance" contained herein in this Item 1 for further discussion.

The PRA has statutory requirements, including capital adequacy and liquidity requirements and minimum solvency margins, to which Unum Limited must adhere as part of the provisions of U.K. Solvency II, the system of prudential regulation applying in the U.K., which prescribes capital requirements and risk management standards.  Our U.K. holding company is also subject to the U.K. Solvency II requirements relevant to insurance holding companies, while its subsidiaries (the Unum UK Solvency II Group), which includes Unum Limited, are subject to group and individual supervision under U.K. Solvency II.  The Unum UK Solvency II Group received approval from the PRA to use its own internal model for calculating regulatory capital and also received approval for certain associated regulatory permissions including transitional relief which applies until January 2032.  For a number of years, the U.K. government has been reviewing the regulatory U.K. Solvency II framework, including transferring the requirements into the PRA Rulebook, which contains rules made and enforced by the PRA, and other policy materials. While this process led to favorable impacts on the solvency position of our U.K. business in earlier reporting periods, the completion of the review at December 31, 2024 did not have any further material impacts on the U.K. business solvency position.

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See further discussion in "Risk Factors" contained herein in Item 1A and "Executive Summary," "Liquidity and Capital Resources" contained herein in Item 7 and Note 18 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.     

Insurance Holding Company Regulation

We and our U.S. insurance subsidiaries, excluding our captive reinsurer, are subject to regulation under the insurance holding company laws in the states in which our insurance subsidiaries are domiciled, which currently include Maine, Massachusetts, New York, South Carolina, and Tennessee. These laws generally require each insurance company that is domiciled in the state and a member of an insurance holding company system to register with the insurance department of that state and to furnish at least annually financial and other information about the operations of companies within the holding company system, including information concerning capital structure, ownership, management, financial condition, and certain intercompany transactions. Transactions between an insurer and affiliates in the holding company system generally must be fair and reasonable and, if material, require prior notice and approval by the domiciliary state insurance regulator.

In addition, such laws and regulations restrict the amount of dividends that may be paid by our insurance subsidiaries to their respective shareholders, including our Company and certain of our intermediate holding company subsidiaries. See further discussion in "Risk Factors" contained herein in Item 1A and "Liquidity and Capital Resources - Cash Available from Subsidiaries" contained herein in Item 7.

The NAIC has adopted the Corporate Governance Annual Disclosure Model Act and the Corporate Governance Annual Disclosure Model Regulation, which require U.S. insurers to disclose detailed information regarding their governance practices. The model act and regulation must be adopted by individual state legislatures and insurance regulators in order to be effective in a particular state. All of the states in which our insurance subsidiaries are domiciled have adopted a requirement to file a corporate governance annual disclosure similar to the model act and regulation.

The laws of most states, including the states in which our insurance subsidiaries are domiciled (or deemed to be commercially domiciled), require regulatory approval of a change in control of an insurance company or its holding company. Where these laws apply to us, there can be no effective change in control of our Company or of any of our insurance subsidiaries unless the person seeking to acquire control has filed a statement containing specified information with the appropriate insurance regulators and has obtained their prior approval of the proposed change. The usual measure for a presumptive change of control pursuant to these laws is the acquisition of 10 percent or more of the voting stock of an insurance company or its holding company, although this presumption is rebuttable. Consequently, a person acquiring 10 percent or more of the voting stock of an insurance company or its holding company without the prior approval of the insurance regulators in the state(s) of domicile of the insurance company(ies) sought to be acquired (or whose holding company is sought to be acquired) will be in violation of these laws. Such a person may also be subject to one or more of the following actions: (i) injunctive action requiring the disposition or seizure of those shares by the applicable insurance regulators; (ii) prohibition of voting of such shares; and (iii) other actions determined by the relevant insurance regulators. Further, many states' insurance laws require that prior notification be given to state insurance regulators of a change in control of a non-domiciled insurance company doing business in the state. These pre-notification statutes do not authorize the state insurance regulators to disapprove the change in control; however, they do authorize regulatory action in the affected state if particular conditions exist, such as undue market concentration. Any future transactions that would constitute a change in control of our Company or of any of our insurance subsidiaries may require prior notification in those states that have adopted pre-notification laws.

These laws may discourage potential acquisition proposals and may delay, deter, or prevent a change in control of our Company, including through transactions, and in particular unsolicited transactions, that some or all of our shareholders might consider to be desirable.

Information Security and Privacy Regulation

A growing number of federal, state, and foreign laws and regulations require companies, including insurance companies, to adopt measures designed to protect the security and privacy of personal information collected during the course of operations. These laws and regulations vary across jurisdictions.

Specifically, state insurance laws govern the collection, use and disclosure of personal information in the context of providing insurance products and services. Certain of our insurance products also are subject to the Health Insurance Portability and
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Accountability Act, which is enforced by the U.S. Department of Health and Human Services and regulates the disclosure and use of protected health information. Generally, these laws require insurers to give policyholders notice about the insurer’s privacy practices, place restrictions on how the insurer can use and disclose personal information, require the insurer to enact certain cybersecurity measures to protect the data, and obligate insurers to notify individuals and regulators in certain cases when personal data is compromised.

Cybersecurity is an area of significant, and increasing, focus of insurance regulators. For example, the NAIC's Insurance Data Security Model Law (the Cybersecurity Model Law), enacted in over twenty states, requires insurers to implement cybersecurity measures and develop cyber incident response plans. The New York State Department of Financial Services' cybersecurity regulation contains provisions similar to the Cybersecurity Model Law, in addition to more prescriptive cybersecurity obligations.

States are also adopting laws and regulations that govern the collection, processing, storage, and destruction of personal information outside the context of providing insurance products. Several states have enacted comprehensive consumer privacy laws, and other states are considering passing similar laws. Currently, significant portions of our business are exempt from the requirements of these laws, but we cannot be certain that will continue to be the case as additional laws are adopted and existing laws are amended.

The General Data Protection Regulation of the EU and the U.K. General Data Protection Regulation (collectively referred to as "the GDPR") establish the legal framework for our EU and U.K. entities that collect and process information from individuals who reside in the EU and U.K., respectively. The GDPR is a comprehensive set of data protection rules that gives individuals certain rights to their personal data and places obligations on organizations that process personal data.

Tax Regulation

We are subject to income, employment, premium, excise and other taxes related to both our U.S. and our foreign operations. In August 2022, the Inflation Reduction Act (IRA) was signed into law in the U.S. and includes certain corporate tax provisions effective January 1, 2023. It imposed a 15 percent corporate alternative minimum tax (CAMT) on adjusted financial statement income (AFSI) on corporations that have average AFSI over $1.0 billion in any prior three-year period. Our Company is an applicable corporation, but we do not have a CAMT liability as of December 31, 2024 or December 31, 2023. We do not expect that any CAMT incurred in the future would impact earnings since it would be offset with a credit toward regular income tax in subsequent years. We continue to monitor the ongoing guidance issued by the United States Treasury. The IRA also imposed a one percent excise tax on the fair market value of corporate stock repurchases effective January 1, 2023.

In 2021, the Finance Act 2021 was enacted in the U.K., which established a U.K. corporate tax rate of 25 percent effective April 1, 2023.

See "Executive Summary" and "Liquidity and Capital Resources" contained herein in Item 7 and Notes 9 and 12 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for discussion of the impact to our financial position and results of operations as a result of these changes.

The Organization for Economic Co-operation and Development has established model rules to ensure a minimum level of tax of 15 percent (Pillar Two) for multinational companies. Several jurisdictions, including the U.K., Poland, and Ireland, have adopted Pillar Two for tax years beginning in 2024. Legislation enacted thus far as a result of Pillar Two is not expected to materially impact the Company.

Federal, foreign, and state tax laws and regulations are subject to change, and any such change could materially impact our federal, foreign, or state taxes and affect profitability as well as capital levels in our insurance subsidiaries. 

Other Laws and Regulations

We are subject to the U.S. federal laws and regulations generally applicable to public companies, including the rules and regulations of the Securities and Exchange Commission (SEC) and the New York Stock Exchange relating to public reporting and disclosure, accounting and financial reporting, corporate governance, and securities trading.

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The USA PATRIOT Act of 2001 (Patriot Act) contains anti-money laundering and financial transparency laws and mandates the implementation of various regulations applicable to broker-dealers and other financial services companies, including insurance companies. The Patriot Act seeks to promote cooperation among financial institutions, regulators, and law enforcement entities in identifying parties that may be involved in terrorism or money laundering. Anti-money laundering laws outside of the United States contain some similar provisions. Additionally, other federal laws and regulations, including the Foreign Corrupt Practices Act and regulations issued by the Office of Foreign Assets Control, as well as the U.K.'s Bribery Act of 2010, have increased requirements relating to identifying customers, prohibiting transactions with certain organizations or individuals, watching for and reporting suspicious transactions, responding to requests for information by regulatory authorities and law enforcement agencies, sharing information with other financial institutions, and requiring the implementation and maintenance of internal practices, procedures, and controls.

Regulatory focus on the risks, opportunities, and impacts posed by climate change is increasing, with some regulators now requiring that the Company integrate consideration of these items into our disclosure, governance and risk management frameworks, which may subject us to increased costs. Other regulators have attempted to limit the types of factors that can be incorporated into investment decisions. With respect to disclosure requirements, California adopted climate-related financial risk and emissions-related reporting requirements in 2023 which applies to the Company. Additionally, the EU Corporate Sustainability Reporting Directive (CSRD) requires in-scope companies to report on financial risks due to sustainability-related issues as well as companies’ impacts on society and the environment. Unum Poland is in scope for the first phase of CSRD. In March 2024, the SEC finalized rules on material climate-related disclosures, though these rules are subject to stay pending judicial review. We expect regulatory activity in this area, including the potential for conflicting regulations, to continue.

U.S. and international insurance regulators continue to focus on insurers’ use of artificial intelligence (AI), automated decision-making technologies, and external consumer data. For example, numerous states have adopted the NAIC’s Model Bulletin regarding the Use of Artificial Intelligence Systems by Insurers, other states have issued their own regulations governing insurance company use of AI, and the European Union's Artificial Intelligence Act has come into effect. Additionally, the NAIC’s Innovation, Cybersecurity and Technology (H) Committee has established a Third-Party Data and Models (H) Task Force responsible for developing and proposing a framework for the regulatory oversight of third-party data and predictive models. These laws and regulations generally focus on companies developing a risk management framework for privacy and data protection and protection against unfair discrimination. We expect further regulatory activity in this area, including potential regulations governing individual rights with respect to the usage of AI.

We continuously monitor federal, state, and foreign legislative and regulatory developments to understand their potential impact on our profitability, capital, and resources.

For further discussion of regulation, refer to "Risk Factors" contained herein in Item 1A.

Geographic Areas

Adjusted operating revenue, which excludes net investment gains and losses, for our Unum International segment was approximately 8 percent of our consolidated adjusted operating revenue in 2024, approximately 8 percent in 2023, and approximately 7 percent in 2022. As of December 31, 2024, total assets equaled approximately 5 percent of consolidated assets and total liabilities equaled approximately 5 percent of consolidated liabilities for our Unum International segment. Fluctuations in the U.S. dollar relative to the local currencies of our Unum International segment will impact our reported operating results. See "Risk Factors" contained herein in Item 1A and "Quantitative and Qualitative Disclosures About Market Risk" contained herein in Item 7A for further discussion of fluctuations in foreign currency exchange rates. See "Reportable Segments" contained herein in this Item 1; "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7; and Note 15 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of Unum International's operating results.

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Human Capital Resources

Human Capital

The Company is built on the promise of helping the working world thrive throughout life’s moments, an inspiring purpose that requires harnessing the creativity and energy of our employees. As of December 31, 2024, we employed 11,063 employees, of which approximately 10,833 are full-time employees. Approximately 85 percent of our employees are in the United States, and the remaining 15 percent are international.

We continue to have a hybrid office schedule with employees in an office for a specified number of days each week. This approach supports our focus on customers and commitment to building a workplace where everyone feels welcome, valued and supported. Our international locations each continue to follow their established strategies based on their local environment.

Compensation and Benefits

We provide compensation and benefits programs which support our employees’ health, wealth, and life. In addition to competitive pay, other programs (which vary by country/region) include: annual bonus and employee recognition; stock awards and stock purchase plans; life, medical, pharmacy and health reimbursement accounts; telehealth and preventive services; dental, vision, voluntary benefits and disability insurance; tuition assistance; 401(k) plan, an industry-leading emergency savings program, financial education and planning support; student debt relief; back-up and emergency care services; employee assistance program and family building resources; digital behavioral health support; paid time off and paid holidays; paid caregiver and parental leave; virtual stress management resources; onsite and virtual fitness memberships and subsidized healthy food options.

Inclusive Workplace

Our purpose of helping the working world thrive throughout life's moments starts with our workforce. The unique perspectives, experiences, and backgrounds of our employees empower us to better serve our customers, communities, and one another.  Unum is committed to a culture of inclusivity and belonging for all our employees across our enterprise. We strive to be a welcoming community for all people to be their authentic selves. Our programming and vibrant employee networks that are open to the entire workforce remain focused on helping us live up to our purpose and corporate values.

Our ongoing success is dependent on our capacity to attract, nurture, and retain top-tier talent. Our programming, training and hiring practices help us reach candidates with a wide array of personal and professional experiences and talents. Among our 11,063 employees, 65 percent identify as female, and 20 percent, excluding Poland, identify as members of an ethnic or racially diverse group.

Learning and Development

We are committed to supporting the growth and development of our workforce, ensuring employees are engaged and skilled to support not only Unum’s growth but also their own.

Employees have access to a portfolio of skills and career development offerings to support their growth. We offer robust operational training programs, targeted skill development programs, career development resources, tools and workshops, dedicated learning time and on-demand skill building resources. We also offer tuition reimbursement benefits, in role leadership development programs, and multi-year rotational programs.

Employee Engagement

To ensure our employees are engaged and are effectively delivering on our mission and meeting our customers’ needs, we regularly conduct confidential employee surveys to obtain feedback and gain insights from our employees. These surveys are thoughtfully considered and actioned by leadership. We are committed to our employees’ growth and development and embrace the diversity of ideas for improvement.

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Available Information

Our internet website address is www.unum.com. We make available, free of charge, on or through our website our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act as soon as reasonably practicable after filing such material with the Securities and Exchange Commission.

Information about our Executive Officers

Our executive officers and persons chosen to become executive officers as of the date hereof are listed below. Our executive officers, who are also executive officers of certain of our principal subsidiaries, were appointed by Unum Group's board of directors to serve until their successors are chosen and qualified or until their earlier resignation or removal.

NameAgePosition
Richard P. McKenney56President and Chief Executive Officer and a Director
Steven A. Zabel56Executive Vice President, Chief Financial Officer
Elizabeth C. Ahmed50Executive Vice President, People and Communications
Timothy G. Arnold62Executive Vice President, Voluntary Benefits and President, Colonial Life
Lisa G. Iglesias59Executive Vice President, General Counsel
Martha D. Leiper62Executive Vice President, Chief Investment Officer
Christopher W. Pyne55Executive Vice President, Group Benefits
Mark P. Till57Executive Vice President and CEO, Unum International

Mr. McKenney became President in April 2015 and Chief Executive Officer in May 2015, having served as Executive Vice President and Chief Financial Officer from August 2009 until April 2015. Before joining the Company in July 2009, Mr. McKenney served as Executive Vice President and Chief Financial Officer of Sun Life Financial Inc., an international financial services company, from February 2007.

Mr. Zabel became Executive Vice President, Chief Financial Officer in July 2019. He previously served as Senior Vice President and President, Closed Block Operations from July 2015 to July 2019 and as Senior Vice President, Chief Risk Officer from August 2013 to July 2015.

Ms. Ahmed was named Executive Vice President, People and Communications upon joining the Company in October 2018. She served as Executive Vice President, Chief Human Resources Officer, at AmTrust Financial Services, Inc., a multinational insurance holding company, from May 2015 to October 2018.

Mr. Arnold was named Executive Vice President, Voluntary Benefits and President, Colonial Life in February 2020. Prior to that, he served as Executive Vice President, President and Chief Executive Officer, Colonial Life from January 2015, and before that, as Executive Vice President, President, Colonial Life from July 2014.

Ms. Iglesias was named Executive Vice President, General Counsel upon joining the Company in January 2015. She served as Senior Vice President, General Counsel and Secretary of WellCare Health Plans, Inc., a managed care company, from February 2012 to December 2014.

Ms. Leiper was appointed Executive Vice President, Chief Investment Officer in October 2019. She joined the Company from USAA, a provider of financial services to the military community, where she served as Senior Vice President, Corporate Finance and Enterprise Money Movement from October 2016 to October 2019. Ms. Leiper has notified the Company of her plans to retire in April 2025, and a process is underway to help ensure a smooth transition following her departure.

Mr. Pyne was named Executive Vice President, Group Benefits in February 2020. He previously served as Senior Vice President, Growth Operations and Distribution from June 2018 to January 2020 and as Senior Vice President, Sales and Client Management from June 2011 to June 2018.

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Mr. Till was named Executive Vice President and CEO, Unum International in April 2021, having served as Executive Vice President and CEO Designate, Unum International after joining the Company in February 2021. He served as Managing Director, Platform Solutions at Aegon, an international financial services organization, in the U.K. (Aegon UK) from July 2020 to January 2021, and as Managing Director, Digital Solutions from May 2018 to July 2020.

ITEM 1A. RISK FACTORS

Overview

We face a wide range of risks, and our continued success depends on our ability to identify and appropriately manage our risk exposures. Discussed below are factors that may adversely affect our business, results of operations, or financial condition. Any one or more of the following factors may cause our actual results for various financial reporting periods to differ materially from those expressed in any forward-looking statements made by or on behalf of the Company, including those in this document or made by us elsewhere, such as in earnings release investor calls, investor conference presentations, or press releases. See "Cautionary Statement Regarding Forward-Looking Statements" contained herein on page 1.

Insurance Risks

We provide a broad array of disability, long-term care, group life, and voluntary insurance products that are affected by many factors, and changes in any of those factors may adversely affect our results of operations, financial condition, or liquidity.

Historical results may not be indicative of future performance due to, among other things, changes in our mix of business, repricing of certain lines of business, or any number of economic cyclical effects on our business. Liabilities for future policy benefits, whether calculated under GAAP or statutory accounting principles, do not represent an exact calculation of future benefit liabilities but are instead estimates made by us using certain cash flow assumptions that are used in our actuarial and statistical procedures. Certain of these GAAP cash flow assumptions are also utilized in determining the amortization pattern for deferred acquisition costs (DAC). Actual experience may differ from our assumptions which would affect our earnings in current and future periods as a result of changes in the liability for future policy benefits and DAC. There can be no assurance that our liability for future policy benefits will be sufficient to fund our future liabilities in all circumstances. Future loss development may require the liability for future policy benefits to be increased, which would adversely affect earnings in current or future periods. Life expectancies may increase, which could lengthen the time a claimant receives disability or long-term care benefits and could result in a change in mortality assumptions and an increase in the liability for future policy benefits for these and other long-tailed products. Adjustments to the liability for future policy benefits or DAC amounts may also be required in the event of changes from the assumptions regarding future claim incidence rates, claim resolution rates, policyholder lapses, mortality, premium rate increases, claim costs, policy benefit offsets, including those for social security and other government-based welfare benefits, and interest rates used in calculating the liability for future policy benefits, which could have a material adverse effect on our results of operations or financial condition.

Disability Insurance

Disability insurance may be affected by a number of social, economic, governmental, competitive, and other factors. Changes in societal attitudes, such as work ethic, motivation, or stability, can significantly affect the demand for and underwriting results from disability products.

Both economic and societal factors can affect claim incidence and recoveries for disability insurance. Claim incidence and claim recovery rates may be influenced by, among other factors, the rate of unemployment and consumer confidence. Claim incidence and claim recovery rates may also be influenced by the emergence of new infectious diseases or illnesses. Medical advances may continue to have an impact on claim duration, both favorable and unfavorable and also may have a favorable impact on claim incidence. The relationship between these and other factors and overall incidence is very complex and will vary due to contract design features and the degree of expertise within the Company to price, underwrite, and adjudicate the claims.

Within the group disability market, pricing and renewal actions can be taken in response to higher claim rates and higher administrative expenses. However, these actions take time to implement, and there is a risk that the market will not sustain increased prices. In addition, changes in economic and external conditions may not manifest themselves in claims experience
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for an extended period of time. The pricing actions available in the individual disability market differ among product classes. Our individual noncancelable disability policies, in which the policy is guaranteed to be renewable through the life of the policy at a fixed premium, do not permit us to adjust premiums on our in-force business. Guaranteed renewable contracts that are not noncancelable can be repriced to reflect adverse experience, but rate changes cannot be implemented as quickly as in the group disability market.

Long-term Care Insurance

Long-term care insurance, which we discontinued offering in 2012, but is guaranteed renewable, can be influenced by a number of demographic, medical, economic, governmental, competitive, and other factors, as well as the relative lack of historical data as compared to our other products, all of which can affect pricing activities and the establishment of our liability for future policy benefits. Long-term care insurance can be repriced to reflect adverse experience, but the repricing is subject to regulatory approval by our states of domicile and may also be subject to approval by jurisdictions in which our policyholders reside. The rate approval process can affect the length of time in which the repricing can be implemented, if at all, and the rate increases ultimately approved may be unfavorable relative to assumptions initially used to establish our liability for future policy benefits, which could result in unfavorable impacts to our financial position and results of operations. We monitor our own experience and industry studies concerning morbidity, mortality, and policyholder terminations to understand emerging trends.  Changes in actual experience relative to our expectations may adversely affect our profitability and the liability for future policy benefits.  To the extent mortality improves for the general population, and life expectancies increase, the period for which a claimant receives long-term care benefits may lengthen and the associated impact of advanced aging of policyholders may cause an increase in claims incidence. Medical advances may continue to have an impact on claim incidence and duration, both favorable and unfavorable. Due to the long duration of the product, the timing and/or amount of our investment cash flows are difficult to match to those of our maturing liabilities.

Group Life Insurance

Group life insurance may be affected by the characteristics of the employees insured, the amount of insurance employees may elect voluntarily, our risk selection process, our ability to retain employer groups with favorable risk characteristics, the geographical concentration of employees, and mortality rates. Claim incidence may also be influenced by unexpected catastrophic events such as terrorist attacks, natural disasters, and pandemic health events, which may also affect the cost of and availability of reinsurance coverage. Within the group life market, pricing and renewal actions can be taken in response to higher claim rates and higher administrative expenses. However, these actions take time to implement, and there is a risk that the market will not sustain increased prices.

Voluntary Products

Voluntary products sold in the workplace may be affected by the characteristics of the employees insured, the level of employee participation and the amount of insurance the employees elect, our risk selection process, and our ability to retain employer groups with favorable risk characteristics.  A portion of our voluntary life insurance products include interest sensitive forms of insurance which contain a guaranteed minimum interest crediting rate. It is possible that our investment returns could be lower than the guaranteed crediting rate.  While a significant portion of our non-life contracts are optionally renewable, some are guaranteed renewable and can be repriced to reflect adverse experience, but rate changes cannot be implemented as quickly as for group disability and group life products.

We have assets which may not be fully recoverable or realizable, which could adversely affect our results of operations or financial condition.

If our business does not perform well or as initially anticipated in our assumptions, we may be required to accelerate amortization or recognize an impairment loss on intangible assets or long-lived assets or to establish a valuation allowance against the deferred income tax asset.

We have intangible assets such as value of business acquired (VOBA) and goodwill. VOBA is amortized based primarily upon expected future premium income of the related insurance policies. Recoverability testing for VOBA is performed on an annual basis. Insurance contracts are grouped on a basis consistent with our manner of acquiring, servicing, and measuring profitability of the contracts. If recoverability testing indicates that VOBA is not recoverable, the deficiency is charged to expense.
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Goodwill is not amortized, but on an annual basis, or more frequently if necessary, we review the carrying amount of goodwill for indications of impairment, considering in that review the financial performance and other relevant factors. In accordance with accounting guidance, we test for impairment at either the operating segment level or one level below. In addition, certain events including, but not limited to, a significant adverse change in legal factors or the business environment, an adverse action by a regulator or rating agency, or unanticipated competition would cause us to review goodwill for impairment more frequently than annually.

Long-lived assets, including assets such as real estate, right-of-use assets, and information technology software, also may require impairment testing to determine whether changes in circumstances indicate that we may be unable to recover the carrying amount.

We assess our deferred tax assets to determine if they are realizable. Factors in our determination include the performance of the business, including the ability to generate future taxable income and the fair value of our investment portfolio. Significant declines in the fair value of our investments could result in the recognition of a valuation allowance on our deferred tax asset. If based on available information, it is more likely than not that the deferred income tax asset will not be realized, a valuation allowance is established.

Charges such as accelerated amortization, impairment losses, or the establishment of valuation allowances could have a material adverse effect on our results of operations or financial condition.

See "Critical Accounting Estimates" included in "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7 and Note 1, 6, 7, and 8 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.

Market and Credit Risks

Sustained periods of low interest rates in the long-term investment market may adversely affect our reported net investment income and the discount rates used in pricing our insurance products and projecting our pension obligations, which may adversely affect our results of operations or financial condition.

Declines in interest rates or sustained periods of low interest rates and yields on fixed income investments may cause the rates of return on our investment portfolio to decrease more than expected, leading to lower net investment income than assumed in the pricing for our insurance products. An interest, or discount, rate is used in determining pricing for our insurance products. If the discount rate assumed in our pricing is higher than our future investment returns, our invested assets may not earn enough investment income to support our future claim payments.

Another interest, or discount, rate is used in calculating the liability for future policy benefits. Our liability for future policy benefits is calculated using discount rate assumptions that are reflective of an upper-medium grade fixed-income instrument, which is generally equivalent to a single-A interest rate matched to the duration of our insurance liabilities. A decline in the single-A interest rate could have a material adverse effect on our financial statements.

We are also required to perform annual statutory adequacy testing that considers multiple interest rate scenarios, to ensure our statutory reserves continue to meet statutory requirements, which could require us to increase our statutory reserves and/or contribute additional capital to our insurance subsidiaries.

Our net periodic benefit costs and the value of our benefit obligations for our pension plans are determined based on a set of economic and demographic assumptions that represent our best estimate of future expected experience. Major assumptions used in accounting for these plans include the expected discount (interest) rate and the long-term rate of return on plan assets. We set the discount rate assumption at the measurement date for each of our plans to reflect the yield of a portfolio of high quality fixed income corporate debt instruments matched against the timing and amounts of projected future benefits. A change in the discount rate impacts the present value of benefit obligations and our costs. Our expectations for the future investment returns on plan assets are based on a combination of historical market performance, current market conditions, and future capital market assumptions obtained from external consultants and economists. The actual rate of return on plan assets is determined based on the fair value of the plan assets at the beginning and end of the measurement period. Increases or decreases in long-term interest rates as well as equity market volatility will impact the fair value of our plan assets and may
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result in a decrease in the funded status of our pension plans and/or increased pension costs, which may adversely affect our results of operations, financial condition, or liquidity.

Unfavorable economic or market conditions may result in lower sales, lower premium growth and persistency, higher claims incidence, unfavorable mortality, longer claims duration, and higher expenses which may adversely affect our results of operations or financial condition.

We are affected by conditions in the capital markets and the general economy, primarily in the United States, the United Kingdom, Poland, and to a lesser extent, the broader global financial markets. Negative developments in the capital markets and/or the general economy could adversely affect our business, including our investment portfolio, and results of operations.

Factors such as unemployment levels, consumer confidence levels, consumer spending, business investment, government spending, the volatility and strength of the capital markets, inflation, pandemics, and the threat of terrorism all affect the business and economic environment and, ultimately, the amount and profitability of our businesses. In particular, high levels of inflation could result in higher expenses and negatively affect the discretionary spending of our customers, which could result in lower sales. More generally, given the nature of our products, in an economic environment characterized by higher unemployment, lower personal income, reduced consumer spending, and lower corporate earnings and investment, product sales and persistency may be adversely affected. Our premium growth may also be negatively impacted by lower premium growth from existing customers due to lower salary growth and lower growth in the number of employees covered under an existing policy. In addition, during such periods we may experience higher claims incidence, longer claims duration, and/or an increase in policy lapses, any of which could have a material adverse effect on our results of operations or financial condition.

In addition to interest rate risk as previously discussed, we are exposed to other risks related to our investment portfolio which may adversely affect our results of operations, financial condition, or liquidity.

Default Risk

Our investment portfolio consists primarily of fixed maturity securities. These securities are issued by both domestic and foreign entities and are backed either by collateral or the credit of the underlying issuer. Factors such as an economic downturn or political change in the country of the issuer, a regulatory change pertaining to the issuer's industry, a significant deterioration in the cash flows of the issuer, unforeseen accounting irregularities or fraud committed by the issuer, widening risk spreads, ratings downgrades, a change in the issuer's marketplace or business prospects, or other events that adversely affect the issuers of these securities may result in the issuer defaulting on its obligations.

Our mortgage loan portfolio has default risk. Events or developments, such as economic conditions that impact the ability of tenants to pay their rents or limit the availability of refinancing, may have a negative effect on our mortgage loan portfolio. Events or developments that have a negative effect on any particular geographic region or sector may have a greater adverse effect on an investment portfolio to the extent that the portfolio is concentrated in that region or sector.

A default or an expected default results in the recognition of a current expected credit loss on the investment. A default may also adversely affect our ability to collect principal and interest due to us. The probability of credit downgrades and defaults increases when the fixed income markets experience periods of volatility and illiquidity.

Credit Spread Risk

Our exposure to credit spreads, which is the yield above comparable U.S. Treasury securities, primarily relates to market price and cash flow variability associated with changes in credit spreads. A widening of credit spreads may unfavorably impact the net unrealized gain or loss position of the investment portfolio and may adversely impact liquidity. Credit spread tightening may reduce net investment income associated with new purchases of fixed income securities.

Valuation Risk

We report our fixed maturity securities and certain other financial instruments at fair value. Valuations may include inputs and assumptions that are less observable or require greater estimation, particularly during periods of market disruption, resulting in values which may be less than the value at which the investments may ultimately be sold. Further, rapidly changing and unprecedented credit and equity market conditions could materially impact the valuation of securities as reported in our
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financial statements, and the period to period changes in value could vary significantly. Decreases in value may have a material adverse effect on our results of operations or financial condition.

We evaluate our investment portfolio for credit losses. There can be no assurance that we have accurately assessed the level of credit losses taken. Additional credit losses may need to be taken in the future, and historical trends may not be indicative of future credit losses. Any event reducing the value of our securities may have a material adverse effect on our business, results of operations, or financial condition.

Market Timing and Liquidity Risk

While we attempt to match our asset cash flows and durations with expected liability cash flows and durations to meet the funding requirements of our business, there may at times be a lack of appropriate investments in the market which can be acquired. In particular, due to the long duration of our long-term care product, the timing of our investment cash flows do not match those of our maturing liabilities. In addition, we may, in certain circumstances, need to sell investments due to changes in regulatory or capital requirements, changes in tax laws, rating agency decisions, and/or unexpected changes in liquidity needs. There may also be a limited market for certain of our investments, such as our private equity partnerships, private placement fixed maturity securities, mortgage loans, and policy loans, which makes them more illiquid. In periods of market volatility or disruption, other of our securities may also experience reduced liquidity. If events occur wherein we need to sell securities in an unfavorable interest rate or credit environment or need to quickly sell securities which are illiquid, market prices may be lower than what we might realize under normal circumstances, with a resulting adverse effect on our results of operations, financial condition, or liquidity.

The effectiveness and utilization of our derivative hedging programs may be affected by changes in forecasted cash flows, the economic environment, changes in interest rates, capital market volatility, non-performance by our counterparties, changes in the level of required collateral, or regulation, which may adversely affect our results of operations, financial condition, or liquidity.

We use derivative financial instruments to help us manage various risks related to our business operations including interest rate risk, risk related to matching duration for our assets and liabilities, foreign currency risk, credit risk, and equity risk. Factors associated with derivative financial instruments could adversely affect our results of operations, financial condition, or liquidity. Ineffectiveness of our hedges due to changes in expected future events, such as the risk created by uncertainty in the economic environment, changes in forecasted cash flows, or if our counterparties fail or refuse to honor their obligations under these derivative instruments, may have a material adverse effect on our results of operations or financial condition. Capital market turmoil may result in an increase in the risk of non-performance by our counterparties, many of which are financial institutions. Non-performance by our counterparties may force us to unwind hedges, and we may be unable to replace the hedge, thereby leaving the risk unhedged. Under the terms of our hedging contracts, we are required to post collateral, which may adversely affect our liquidity and could subject us to the credit risk of the counterparty to the extent it holds such collateral. Sustained periods of elevated interest rates may require a higher level of collateral to be posted to our counterparties, which also may have an adverse effect on our liquidity. Changes in regulations may have an adverse effect on our ability to execute hedging strategies due to the increased economic cost of derivatives, primarily as a result of more restrictive collateral requirements.

Reinsurance may not be available or affordable, or reinsurers may be unwilling or unable to meet their obligations under our reinsurance contracts, which may adversely affect our results of operations or financial condition.

As part of our overall risk management and capital management strategies, we purchase reinsurance for certain risks underwritten by our various businesses. We also utilize reinsurance to exit certain lines of business. Market conditions beyond our control determine the availability and cost of reinsurance. Any decrease in the amount of reinsurance will increase our risk of loss and may impact the level of capital requirements for our insurance subsidiaries, and any increase in the cost of reinsurance will, absent a decrease in the amount of reinsurance, reduce our results of operations. Accordingly, we may be forced to incur additional expenses for reinsurance or may be unable to obtain sufficient reinsurance on acceptable terms, which may adversely affect our ability to write future business, result in the assumption of more risk with respect to the policies we issue, and increase our capital requirements. The collectability of our reinsurance recoverable is primarily a function of the solvency of the individual reinsurers. We cannot provide assurance that our reinsurers will pay the reinsurance recoverables owed to us or that they will pay these recoverables on a timely basis. The insolvency of a reinsurer or the inability or
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unwillingness of a reinsurer to comply with the terms of a reinsurance contract may have an adverse effect on our results of operations or financial condition.

Currency translation could materially impact our reported operating results.

The functional currency of our U.K. and Polish operations is the British pound sterling and the Polish zloty, respectively. Fluctuations in exchange rates impact our reported financial results, which may be unfavorably affected when the functional currency weakens. However, it is important to distinguish between translating and converting foreign currency. Except for a limited number of transactions, we do not actually convert our functional currency into dollars. As a result, we view foreign currency translation as a financial reporting item and not a reflection of operations or profitability in the U.K or Poland.

See "Liability for Future Policy Benefits" contained herein in Item 1, "Critical Accounting Estimates" included in "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7, "Interest Rate Risk" contained herein in Item 7A, and Notes 1, 2, 3, 4, 11, and 14 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.

Public Health Risks

Pandemics and other public health issues can negatively impact certain aspects of our business and, depending on severity and duration, could have a material adverse effect on our financial position, results of operations, liquidity and capital resources, and overall business operations.

If economic conditions worsen as a result of a pandemic or other public health issue, that may adversely affect the financial condition of current or potential customers, which may result in lower sales or other negative impacts to customer purchasing patterns. If we experience unfavorable developments related to our revenues, benefits, or expenses, we may correspondingly experience adverse impacts to our overall future profitability and growth, which may alter the timing and magnitude of our plans for overall business growth. In addition, these unfavorable developments may result in the impairment or write-off of certain assets such as premiums receivable, goodwill, property and equipment, VOBA, and right-of-use assets, or the establishment of a valuation allowance regarding the realization of our deferred tax assets.

If economic conditions worsen as a result of a pandemic or other public health issue, that may also result in the inability for companies to make interest and principal payments on their debt securities or mortgage loans that we hold for investment purposes. Accordingly, although we maintain a disciplined approach regarding our overall investment strategy, we may still incur significant losses that can result in a decline in net investment income and/or material increases in credit losses on our investment portfolio. With respect to commercial real estate, there could be potential impacts to estimates of expected losses resulting from lower underlying values, reflecting current market conditions at that time.

Although we have access to significant amounts of liquidity, which include a credit facility, Federal Home Loan Bank (FHLB) arrangements, and the ability to liquidate certain investments, it may be insufficient or even inaccessible if we are not in compliance with required covenants under our borrowing arrangements or if the associated lenders are unable to provide funds. In addition, if investment markets become illiquid or severely impaired, we may be unable to liquidate our investments in a timely and advantageous manner.

From an operational perspective, our employees, sales associates, brokers, and distribution partners, as well as the workforces of our vendors, service providers, and counterparties, may be adversely affected by a pandemic or other public health issue, including government-mandated shutdowns, requests or orders for employees to work remotely, and other social distancing measures. These measures could result in an adverse impact on our ability to conduct our business, including our ability to sell our policies and our ability to adjudicate and pay claims in a timely manner. Additionally, our hybrid work environment may expose us to various additional risks such as elevated cybersecurity vulnerability resulting from the wide-scale remote usage of our company networks and related risks to the effectiveness of our internal controls over financial reporting.

There is no guarantee that processes we have developed in order to adapt to the COVID-19 pandemic would succeed in allowing us to adapt to any future pandemic or other public health issue, which may have materially different characteristics than the COVID-19 pandemic.

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To the extent pandemics or other public health issues adversely affect our business, financial position, results of operations, liquidity and capital resources, and overall business operations, it may also have the effect of heightening many of the other risks disclosed herein in this Item 1A "Risk Factors".

See "Executive Summary", "Segment Operating Results", and "Liquidity and Capital Resources" included herein in Part 2, Item 7 under "Management's Discussion and Analysis of Financial Condition and Results of Operations" for additional discussion.

General Risks

We and our insurance subsidiaries are subject to extensive supervision and regulation. Changes in laws and regulations that affect our industry or findings from examinations and investigations may affect the cost or demand for our products, increase capital and reserving requirements for our insurance subsidiaries, and adversely affect our profitability, liquidity, or growth.

Our insurance subsidiaries are subject to extensive supervision and regulation in the United States and abroad. The primary purpose of insurance regulation is to protect policyholders, not stockholders. To that end, regulatory authorities, including state insurance departments in the United States, the FCA and PRA in the United Kingdom, and the KNF in Poland have broad administrative powers over many aspects of the insurance business, including requiring various licenses, permits, authorizations, or accreditations, which our insurance subsidiaries may not be able to obtain or maintain, or may be able to do so only at great cost. In addition, we and our insurance subsidiaries may not be able to comply fully with, or obtain appropriate exemptions from, the wide variety of laws and regulations applicable to insurance companies and insurance holding companies. These laws and regulations can be complex and subject to differing interpretations and are regularly re-examined. Existing or future laws and regulations, and the manner in which they are interpreted or applied, may become more restrictive or otherwise adversely affect our operations. For example, they may restrict or prohibit the payment of dividends by our subsidiaries to us, restrict transactions between subsidiaries and/or between us and our subsidiaries, and may require contributions of capital by us to our insurance subsidiaries even if we are otherwise in compliance with stated requirements. Failure to comply with or to obtain appropriate exemptions under any applicable laws or regulations could result in restrictions on the ability of our insurance subsidiaries to do business in one or more of the jurisdictions in which they operate and could result in fines and other sanctions, which may have a material adverse effect on our business or results of operations.

Regulatory examinations or investigations could result in, among other things, an increase to reserving requirements, changes in our claims handling or other business practices, changes in procedures for the identification and payment to the states of benefits and other property that is not claimed by the owners, changes in the use and oversight of reinsurance, changes in governance and other oversight procedures, assessments by tax authorities or other governing agencies, fines, and other administrative action, which could injure our reputation, adversely affect our issuer credit ratings and financial strength ratings, place us at a competitive disadvantage in marketing or administering our products, impair our ability to sell or retain insurance policies, and/or have a material adverse effect on our results of operations or financial condition.

It is possible that there will be heightened oversight of insurers by regulatory authorities in the jurisdictions in which our insurance subsidiaries are domiciled and operate. We cannot predict specific proposals that might be adopted, or what impact, if any, such proposals or, if enacted, such laws, could have on our business, results of operations, or financial condition. For instance, the NAIC or state regulators may adopt further revisions to statutory reserving standards or the RBC formula, the PRA may revise its capital adequacy requirements and minimum solvency margins, the IAIS may adopt capital requirements to which we could be subject, or rating agencies may incorporate higher capital thresholds into their quantitative analyses, thus requiring additional capital contributions by us to our insurance subsidiaries. Increased financial services regulation, which could include activities undertaken by the NAIC and regulatory authorities in the U.K., Poland, and the EU may impose greater quantitative requirements, supervisory review, and disclosure requirements and may impact the business strategies, capital requirements, and profitability of our insurance subsidiaries. The U.K. government has been reviewing the regulatory U.K. Solvency II framework including transferring the requirements into the PRA Rulebook, which contains rules made and enforced by the PRA, and other policy materials. While this process led to favorable impacts on the solvency position of our U.K. business in earlier reporting periods, the completion of the review at December 31, 2024 did not have any further material impacts on the U.K. business solvency position. The U.K.'s Financial Ombudsman Service, which was established to help settle disputes between consumers and businesses providing financial services, and the FCA, which has rule-making, investigative, and enforcement powers to protect consumers, may hamper our ability to do business, which could have a material adverse effect on our U.K. operations.

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Our financial statements are subject to the application of generally accepted accounting principles, in the United States, the United Kingdom, and Poland, which are periodically revised and/or expanded. Accordingly, we are required to adopt new or revised accounting standards issued by recognized authoritative bodies within these countries, which may also be influenced by the International Accounting Standards Board. Future accounting standards we adopt will change current accounting and disclosure requirements applicable to our financial statements. Such changes could have a material effect on our reported results of operations and financial condition and may impact the perception of our business by external stakeholders including the rating agencies that assign the issuer credit rating on Unum Group.

We use an affiliated captive reinsurer for the limited purpose of reinsuring risks attributable to specified policies issued or reinsured by one of our insurance subsidiaries in order to effectively manage risks in connection with certain blocks of our business as well as to enhance our capital efficiency. If we were required to discontinue use of the captive reinsurer or to alter the structure of the captive reinsurance arrangement, our ability to maintain current RBC ratios and/or our capital deployment activities could be adversely affected.

Changes in U.S. programs such as healthcare reform, the continued emergence of paid family and medical leave legislation, and financial services sector reform may compete with or diminish the need or demand for our products, particularly as it may affect our ability to sell our products through employers or in the workplace. The U.S. social security disability insurance program may not be sustainable, which may adversely affect the level of our disability claim payments and liability for future policy benefits. Legislative changes related to pension funding requirements could negatively impact our cash flows from operations and our profitability.

Changes in tax laws and other regulations or interpretations of such laws or regulations could unfavorably impact our corporate taxes and statutory surplus. In addition, changes in tax laws could make some of our products less attractive to consumers.

Changes in privacy, cybersecurity, and artificial intelligence laws and regulations may result in cost increases as a result of system implementations, administrative processes, effects of potential noncompliance, and limitations or constraints of our business models.

Most group long-term and short-term disability plans we administer are governed by the Employee Retirement Income Security Act (ERISA). Changes to ERISA enacted by Congress or through judicial interpretations may adversely affect the risk to us of managing employee benefit plans, increase the premiums associated with such plans, and ultimately affect their affordability and our profitability.

The insurance departments in jurisdictions wherein our insurance subsidiaries conduct business may limit our ability to obtain rate increases under guaranteed renewable contracts or could require changes in rates and/or benefits to meet minimum loss ratio requirements which could negatively impact the profitability of our products. Many regulatory and governmental bodies have the authority to review our products and business practices and those of our agents and employees. These regulatory or governmental bodies may bring regulatory or other legal actions against us if, in their view, our practices are improper. These actions could result in substantial fines or restrictions on our business activities and could have a material adverse effect on our business or results of operations. Determination by regulatory authorities that we have engaged in improper conduct may also adversely affect our defense of various lawsuits.
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Competition may adversely affect our market share or profitability.

All of our businesses are highly competitive. We believe that the principal competitive factors affecting our business are the quality of our customer's experience regarding service and claims management, integrated product choices, enrollment capabilities, price, financial strength ratings, claims-paying ratings, and a solution to allow customers to comply with the changing laws and regulations related to family medical leave benefits. We compete for new product sales, the retention of existing business, and the ability to attract and retain independent agents and brokers to market our products, all of which affect our profitability. All areas of the employee benefits markets are highly competitive due to the yearly renewable term nature of the group products and the large number of insurance companies offering products in this market. There is a risk that our customers may be able to obtain more favorable terms or improved technology solutions from competitors in lieu of renewing coverage with us, particularly if industry pricing levels do not align with our view of adequate premium rates. We are operating in a dynamic competitive environment of both traditional and non-traditional competitors, with changes in product offerings, enrollment capabilities, and technology solutions. The level and intensity of competition may also grow due to existing competitors becoming more aggressive, and an increase in merger and acquisition activity which may result in larger competitors with greater financial resources. There are many insurance companies which actively compete with us in our lines of business, and there is no assurance that we will be able to compete effectively against these companies and new competitors in the future.

A decrease in our financial strength or issuer credit ratings may adversely affect our competitive position, our ability to hedge our risks, and our cost of capital or ability to raise capital, which may adversely affect our results of operations, financial condition, or liquidity.

We compete based in part on the financial strength ratings provided by rating agencies. Although we maintain an ongoing dialogue with the rating agencies that assign financial strength ratings to our insurance subsidiaries, the rating agencies may revise the criteria that are used to evaluate the financial strength of our insurance subsidiaries which could lead to placing our rating on "credit watch" or "under review" and ultimately lead to a downgrade. A downgrade of our financial strength ratings may adversely affect us and could potentially, among other things, adversely affect our relationships with distributors of our products and services and retention of our sales force, negatively impact persistency and new sales, and generally adversely affect our ability to compete. A downgrade in the issuer credit rating assigned to Unum Group can be expected to adversely affect our cost of capital and our ability to raise additional capital. If we are downgraded significantly, ratings triggers in our derivatives financial instrument contracts may result in our counterparties enforcing their option to terminate the derivative contracts. Such an event may have a material adverse effect on our financial condition or our ability to hedge our risks.

Unum Group depends on capital from its subsidiaries to meet its obligations and pay dividends. The ability of our subsidiaries to transfer capital to Unum Group may be impaired by adverse financial results or a change in capital requirements. Accordingly, internal sources of capital and liquidity may not always be sufficient. If we need to seek external capital, adverse market conditions may affect our access to capital or our cost of capital.

Unum Group is a holding company for insurance and other subsidiaries and has limited operations of its own. Our insurance subsidiaries are subject to insurance laws and regulatory limitations on the payment of dividends and on other transfers of assets to affiliates, including to Unum Group. The level of earnings and capital in our subsidiaries, as well as business conditions and rating agency considerations, could impact our insurance and other subsidiaries' ability to pay dividends or to make other transfers to Unum Group, which could impair our ability to pay dividends to Unum Group's common stockholders, meet our debt and other payment obligations, and/or repurchase shares of Unum Group's common stock.

A change in demand for our insurance products or an increase in the incidence of new claims or the duration of existing claims could negatively impact our cash flows from operations. Deterioration in the credit market, which could delay our ability to sell our positions in certain of our fixed maturity securities in a timely manner, could also negatively impact our cash flows. Regulatory changes such as those discussed herein in this Item 1A may impose higher capital or reserve requirements on our insurance subsidiaries, increase collateral requirements for certain of our derivatives transactions, and/or implement other requirements which could unfavorably affect our liquidity. Without sufficient liquidity, our ability to maintain and grow our operations would be limited. If our internal sources of liquidity prove to be insufficient, we may be unable to successfully obtain additional financing and capital on favorable terms, or at all, which may adversely affect us.

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If our financial results are unfavorable, we may need to increase our capital in order to maintain our credit ratings or satisfy regulatory requirements. Maintaining appropriate levels of statutory surplus is considered important not only by us but by insurance regulatory authorities in the U.S., the PRA in the U.K., the KNF in Poland, and the rating agencies that rate insurers' claims-paying abilities and financial strength. Failure to maintain certain levels of statutory surplus could result in increased regulatory scrutiny, action by regulatory authorities, or a downgrade by the rating agencies. Need for additional capital may limit a subsidiary's ability to distribute dividends to our holding companies.

Obtaining financing for even a small amount of capital could be challenging in unfavorable market conditions and during periods of economic uncertainty. The markets may exert downward pressure on availability of liquidity and credit capacity for certain issuers. The availability of financing will depend on a variety of factors such as market conditions, the general availability of credit, the overall availability of credit to the financial services industry, our credit ratings and credit capacity, and the possibility that customers or lenders could develop a negative perception of our financial prospects. Similarly, our access to capital may be impaired if regulatory authorities or rating agencies take negative actions against us. Raising capital in unfavorable market conditions could increase our interest expense or negatively impact our shareholders through increased dilution of their common stock in Unum Group.

We maintain our credit facility as a potential source of liquidity. Our right to borrow funds under this facility is subject to financial covenants, negative covenants, and events of default. Our ability to borrow under this facility is also subject to the ability of the lenders to provide funds. Our failure to comply with the covenants in the credit facility or the failure of lenders to fund their lending commitments would restrict our ability to access the facility when needed, with a resulting adverse effect on our results of operations, financial condition, or liquidity.

Events that damage our reputation may adversely affect our business, results of operations, or financial condition.

There are many events which may harm our reputation, including, but not limited to, those discussed in this Item 1A regarding regulatory investigations, legal proceedings, social issues, and cyber or other information security incidents.

In addition, being in the business of insurance, we are paid to accept certain risks. Those who conduct business on our behalf, including executive officers and members of management, sales managers, investment professionals, and to some extent, independent agents and brokers, do so in part by making decisions that involve exposing us to risk. These include decisions such as maintaining effective underwriting and pricing discipline, maintaining effective claim management and customer service performance, managing our investment portfolio and derivatives trading activities, delivering effective technology solutions, complying with established sales practices, executing our capital management strategy, exiting a line of business and/or pursuing strategic growth initiatives, and other decisions. Although we employ controls and procedures designed to monitor business decisions and prevent us from taking excessive risks or unintentionally failing to comply with internal policies and practices such that errors occur, there can be no assurance that these controls and procedures will be effective. If our employees and business associates take excessive risks and/or fail to comply with internal policies and practices, the impact of those events may damage our market position and reputation.

Depending on the severity of the damage to our reputation, we may be unable to effectively compete for new products or retain our existing business, which could adversely affect our results of operations or financial condition. Damage to our reputation may also hinder our ability to raise new capital and/or increase our cost of capital.

Litigation and contingencies are common in our businesses and may result in financial losses and/or harm to our reputation.

We are, and in the future may be, defendants in a number of litigation matters, and the outcome of this litigation is uncertain.  Some of these proceedings have been brought on behalf of various alleged classes of complainants. Plaintiffs in class action and other lawsuits against us may seek very large and/or indeterminate amounts, including punitive and treble damages. An estimated loss is accrued when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated. An adverse outcome in one or more of these actions may, depending on the nature, scope, and amount of the ruling, materially and adversely affect our results of operations or financial condition, encourage other litigation, and limit our ability to write new business, particularly if the adverse outcomes negatively impact certain of our ratings.

As part of our normal operations in managing claims, we are engaged in claim litigation where disputes arise as a result of a denial or termination of benefits. Typically those lawsuits are filed on behalf of a single claimant or policyholder, and in some
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of these individual actions punitive damages are sought, such as claims alleging bad faith in the handling of insurance claims. For our general claim litigation, we maintain reserves based on experience to satisfy judgments and settlements in the normal course. We expect that the ultimate liability, if any, with respect to general claim litigation, after consideration of the reserves maintained, will not be material to our financial condition. Nevertheless, given the inherent unpredictability of litigation, it is possible that an adverse outcome in certain claim litigation involving punitive damages may, from time to time, have a material adverse effect on our results of operations. We are unable to estimate a range of reasonably possible punitive losses.

Our actions to incorporate sustainability standards may not meet expectations of investors, regulators, customers, employees, and other stakeholders.

Investors, regulators, current and prospective customers, employees, and other stakeholders may evaluate our business according to certain sustainability standards and expectations. To help monitor and meet stakeholder expectations, we developed a corporate sustainability strategic framework. Our framework aims to create long-term value for stakeholders by implementing strategically aligned business practices that incorporate sustainability factors, with a focus on accelerating our efforts around responsible investments, inclusive products and services, and reducing environmental impact. We consider environmental and social factors in fundamental analysis of our investments because we believe they are important for analyzing the long-term risk-reward characteristics of an investment. As our framework matures and we continue to integrate sustainability standards in coordination with other business priorities, our sustainability-related efforts may not prove completely effective or may not satisfy our key stakeholders. Additionally, local, national, and international governments and regulators have passed and are likely to continue to propose new sustainability-related rules that would apply to our business, including regulations focused on increased climate-related disclosures and management of investment portfolios. Such regulations may require the development of new processes and controls that may be complex and result in increases in expenses to ensure compliance, or they may run counter to our corporate sustainability strategic framework, conflict with other regulations that apply to us, or cause us to forgo business opportunities. Stakeholder sustainability-related expectations may increase in the short, medium, and long term and may affect our business, and they may also subject us to scrutiny leading to operational, reputational, or legal challenges.

See "Liability for Future Policy Benefits", "Competition", "Regulation" and "Ratings" contained herein in Item 1, "Executive Summary" and "Critical Accounting Estimates" included in "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Liquidity and Capital Resources" contained herein in Item 7, and Notes 1, 6, 9, 10, 16, and 18 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.

Operational Risks

A cyber attack or other security breach could disrupt our operations, result in compromised data, the unauthorized disclosure or loss of confidential data, damage our reputation or relationships, and expose us to significant financial and legal liability, which may adversely affect our business, results of operations, or financial condition.

We store confidential information about our business and our policyholders, employees, agents, and others on our information technology systems, including proprietary and personally identifiable information. As part of our normal business operations, we use this information and engage third-party providers, including outsourcing, cloud computing, and other business partners, that store, access, process, and transmit such information on our behalf. We devote significant resources and employ security measures to help protect our information technology systems and confidential information, and we have programs in place to detect, contain, and respond to information security incidents. However, because the techniques used to obtain unauthorized access, disable or degrade service, or sabotage systems change frequently and may be difficult to detect for long periods of time, we and our third-party providers may be unable to anticipate these techniques or implement adequate preventative measures. In addition, hardware, software, or applications we develop or procure from third parties or through open source solutions may contain defects in design or manufacture or other problems that could unexpectedly compromise our information security. Unauthorized parties, whether within or outside our company, may disrupt or gain access to our systems, or those of third parties with whom we do business, through human error, misfeasance, fraud, trickery, or other forms of deceit, including break-ins, use of stolen credentials, social engineering, phishing, or other cyber attacks, computer viruses, malicious codes, and similar means of unauthorized and destructive tampering. Specifically, we have seen an increase in the number and sophistication of phishing attacks that seek access to our systems through emails sent to our employees. We have taken action to provide additional training to increase awareness of the potential for these attacks among our workforce.

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We and our third-party providers have experienced and likely will continue to experience information security incidents from time to time. Although known incidents have not had a material effect on our business or financial condition, there is no assurance that our security systems and measures will be able to prevent, mitigate, or remediate future incidents that could have such an effect. A successful penetration or circumvention of the security of our information technology systems, or those of third parties with whom we do business, including a ransomware attack that locks or freezes systems until the payment of a ransom, could cause serious negative consequences for us, including significant disruption of our operations, unauthorized disclosure or loss of confidential information, harm to our brand or reputation, loss of customers and revenues, violations of privacy and other laws, and exposure to litigation, monetary damages, regulatory enforcement proceedings, fines, and potentially criminal proceedings and penalties. If we are unaware of the incident for some time after it occurs, our exposure could increase. In addition, the costs to address or remediate systems disruptions or security threats or vulnerabilities, whether before or after an incident, could be significant. As we continue to build our digital capabilities and focus on enhancing the customer experience, the amount of information that we retain and share with third parties, as well as our reliance on them, is likely to grow, increasing the cost to prevent data security breaches and the cost and potential consequences of such breaches. An information technology systems failure could also interfere with our ability to comply with financial reporting and other regulatory requirements, exposing us to potential disciplinary action by regulators. Further, successful cyber attacks at other large financial institutions or other market participants, whether or not we are affected, could lead to a general loss of customer and investor confidence in financial institutions that could negatively affect us.

Although we have insurance against some cyber risks and attacks, we may be subject to litigation and financial losses that exceed our policy limits, are subject to deductibles or are not covered under any of our current insurance policies.

The failure of our business recovery and incident management processes to resume our business operations in the event of a natural catastrophe, cyber attack, or other event could adversely affect our profitability, results of operations, or financial condition.

In the event of a disaster such as a natural catastrophe, an epidemic, a pandemic, a cyber attack, cybersecurity breach or other information technology systems failure, a terrorist attack, or war, unanticipated problems with our disaster recovery systems could have a material adverse impact on our ability to conduct business and on our results of operations and financial condition, particularly if those problems affect our information technology systems and destroy valuable data or result in a significant failure of our internal control environment. In addition, in the event that a significant number of our employees were unavailable in the event of a disaster, our ability to effectively conduct business could be severely compromised.

The failure of our information technology and/or disaster recovery processes or systems for any reason could cause significant interruptions or malfunctions in our or our customers’ operations and result in the loss, theft, or failure to maintain the security, confidentiality, or privacy of sensitive data, including personal information relating to our customers. Such a failure could harm our reputation, subject us to regulatory sanctions, legal claims, and increased expenses, and lead to a loss of customers and revenues.

Our use of artificial intelligence technology, as well as changes in artificial intelligence laws and regulations, could lead to regulatory noncompliance, operational risk, and competitive challenges.

We currently use, and expect to continue using, artificial intelligence (AI), including generative AI, in support of our products, services, and critical business functions, either through technology we develop or technology developed and maintained by third parties. This increased reliance on AI, coupled with the fact that the laws and regulations governing the use of AI are still in a relatively early stage of development, may increase regulatory or operational risks discussed elsewhere in this section or create new regulatory or operational risks we are not currently anticipating. We or others that we rely on may misuse AI or external data or fail to comply with regulatory requirements, or there may be conflicting interpretations of the requirements, which could expose us to legal or regulatory risk, subject us to adverse regulatory examinations or audits, damage customer relationships or cause reputational harm. Our development and use of AI could increase the risk or impact of business interruption or a cybersecurity incident. Threat actors may use AI maliciously against us, which may result in reputational or financial harm, or subject us to legal or regulatory risk. These risks are increased by the relative speed at which the technology is being developed and adopted. At the same time, our failure to adopt AI technology quickly enough could put us at a competitive disadvantage.

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We may be unable to hire and retain qualified employees which may adversely affect our business, results of operations, or financial condition.

The talent and contributions of our employees are critical to meeting our business needs. Our future success depends on our ability to hire and retain qualified personnel. In recent periods we have experienced increased competition for qualified talent and higher turnover compared to our historical experience, as many employees seek higher wages, new careers, or choose to exit the workforce entirely. The greater opportunities for fully remote or hybrid working arrangements have contributed to this trend, as many employees are no longer limited to employers located in their local area. We have taken steps to address this challenge, including updating compensation structures, allowing for more hybrid or remote working arrangements, and taking advantage of opportunities to recruit highly skilled employees from other employers. However, any prolonged stress on our ability to retain or recruit employees may result in increased labor costs and could adversely affect our ability to conduct and manage our business.

Our failure to develop digital capabilities or to effectively execute upgrades to or replacements of information technology systems could impair our ability to deliver on our growth initiatives or administer our business, which may adversely affect our business, results of operations, or financial condition.

Our business plans increasingly rely on digital capabilities to meet or surpass customer expectations, simplify our operations, and deliver innovative product and service offerings. If we are unable to effectively develop and offer digital capabilities that enhance our customers' experience, we may not fully achieve our strategic growth initiatives and may also experience the loss of existing business. Although we believe we have information technology systems which adequately support our business needs, we continually upgrade our existing information technology systems and acquire or develop new systems to keep pace with the rapidly changing business and technology environment. There are risks involved with upgrading or replacing information technology systems, including, but not limited to, data loss, data errors, and disruption to our operations. We seek to monitor and control our exposure to the risks arising out of these activities through our risk control framework which encompasses a variety of reporting systems, internal controls, management review processes, and other mechanisms.

The use and reliance on third-party vendors, including vendors providing web and cloud-based applications, may disrupt our business, and impact our ability to access data.

We utilize third-party vendors to provide certain business support services. The reliance on these third-party vendors exposes us to the risk that we cannot control the information systems, facilities, or networks of such third-party vendors. We employ substantial third-party risk management measures designed to mitigate this risk, which include, but are not limited to, security and vulnerability assessments of these third-party vendors as well as robust contractual protections. However, if the information systems, facilities, or networks of a third-party vendor are disrupted, damaged, or fail, we are at risk of being unable to meet legal, regulatory, financial or customer obligations. We could also be adversely affected by a third-party vendor who fails to provide contracted services. In this case, this could lead to lower sales, increased costs, and a disruption to our business operations or damage our reputation. Lastly, as certain third-party vendors may conduct operations outside of the U.S., political and military events in foreign jurisdictions could have an adverse effect on our operations.

Our risk management program may leave us exposed to unidentified or unanticipated risk, which could negatively affect our business.

We have devoted significant resources to develop our enterprise risk management program, which has the objective of managing our strategic, market, credit, public health, insurance, and operations risks, which ultimately impact our reputational risk. However, our program may not be comprehensive, and our methods for monitoring and managing risk may not fully predict or mitigate future exposures. In this case, there may be a negative impact to our business, results of operations, or financial condition.

See "Regulation" contained herein in Item 1,"Critical Accounting Estimates" included in "Management's Discussion and Analysis of Financial Condition and Results of Operations" contained herein in Item 7, "Quantitative and Qualitative Disclosures About Market Risk" contained herein in Item 7A, and Note 16 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.

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ITEM 1B. UNRESOLVED STAFF COMMENTS

None

ITEM 1C. CYBERSECURITY

We take our responsibility for the privacy and security of the information our customers share with us seriously. Through our cybersecurity program, we constantly watch for threats to our systems and make real-time adjustments to our defenses to protect customer data and minimize service disruptions.

We identify and assess cybersecurity risks on an ongoing basis by maintaining a cybersecurity program that involves a defense-in-depth approach with multiple layers of security controls to protect our environment. We have invested in and deployed a security operating model involving people, processes, and technology that is designed to protect against potential and known cybersecurity risks and threats. Our cybersecurity program involves collaboration with partners, including financial industry groups, to understand and incorporate best practices and engage in cybersecurity threat intelligence sharing. Our security operations team includes internal threat hunters, such as cybersecurity engineers and analysts, who are working directly with third parties to monitor the threat landscape. Alerts from monitoring are analyzed by our security teams for preemptive engagement to avoid or minimize the impact of potential cyber threats. Additional cybersecurity tools are used to detect and block malicious attacks, as well as to govern identity and access management, in each case to avoid or minimize risks of unauthorized access to systems and data.

We utilize an internal global incident management team, comprised of executive and senior management-level personnel, that is responsible for oversight of our business resiliency and cybersecurity incident response programs. Within our information security organization, our cybersecurity incident response team works closely with the business resiliency team across business continuity, disaster recovery, and crisis management functions to plan, prepare, and practice response to simulated cybersecurity incident scenarios for response readiness. In the event of a cybersecurity incident, our incident response team would assess whether to engage the support of law enforcement or other third parties. In addition to our cybersecurity incident response team, we have retainers with leading incident response organizations to augment response activities, if needed. We also conduct one or more annual cybersecurity incident response tabletop exercises with senior management and third-party experts to test our incident response plan and enhance our readiness for a potential cybersecurity incident.

Additionally, we engage an external firm to conduct an annual System and Organization Controls 2 Type 2 examination of certain cybersecurity controls. Our internal audit organization also provides independent assurance of the cybersecurity program through related audit engagements to complement external assessments and reviews. Additional third parties are engaged, as needed, to perform risk assessments, penetration testing, and other services related to cybersecurity. We rely on third-party cybersecurity software tools and services to enhance many of our cybersecurity functions, such as incident logging, network monitoring, security operations, and data loss prevention, among others. Additionally, we carry cybersecurity insurance to help reduce financial risk posed by cybersecurity incidents.

Cybersecurity risks associated with third-party service providers are managed in accordance with our Third-Party Risk Management (TPRM) program. Components of this program include cybersecurity due diligence and review of contractual terms with third parties that access our network or sensitive information. The TPRM program works to conduct appropriate review of all new third parties and performs ongoing monitoring of our existing relationships based on the risk presented by the third party.

As part of our cybersecurity program, we perform an annual cybersecurity risk assessment to evaluate our cybersecurity program and related controls. The cybersecurity risk assessment follows the guidelines published by the National Institute of Standards and Technology, which are aimed at identifying and determining the potential impact of threats and vulnerabilities and assessing the controls in place to mitigate those threats and vulnerabilities. Risks from cybersecurity threats have not materially affected, and are not reasonably likely to materially affect, our business strategy, operations, or financial condition.

Management’s role in assessing and managing cybersecurity risks is led by our Chief Information Security Officer (CISO), who is a senior vice president and officer of the Company. As of the date of this report, our CISO has over twenty years of experience in information security leadership, including leading threat and vulnerability management, cybersecurity operations and cybersecurity defense, cybersecurity incident response, and technology risk management. He holds a bachelor’s degree in computer science and several professional qualifications, including Certified Information Systems Security Professional and
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Information Systems Security Management Professional. The responsibilities of prevention, detection, mitigation, and remediation of cybersecurity incidents are allocated across the CISO's organization, and each organizational unit reports risks and incidents to the CISO, who in turn informs other senior management of cybersecurity incidents that may be material to the company.

Our cybersecurity program is overseen by the Information Security Committee (ISC), a cross-functional management committee whose membership include the CISO, Chief Risk Officer (CRO), Chief Technology Officer, Chief Compliance Officer, and others. Members of the ISC possess substantial experience in risk management, finance, and information security. The ISC is responsible for ensuring that the cybersecurity strategy and program align with our overall risk strategy. Our TPRM program is overseen by the Corporate Operational Risk Committee (CORC), a cross-functional management team whose membership includes leaders from our third-party risk management, corporate services, compliance, sourcing, information technology, and business resiliency teams. The CORC is responsible for ensuring risks to our non-insurance operational functions, including those related to third-party vendors, are identified and managed within our risk appetite, and that our TPRM program and strategy align with our overall business objectives.

The CORC and the ISC both report risks to our Executive Risk Management Committee (ERMC), which is comprised of senior management from our corporate functions and business segments and is responsible for overseeing our enterprise-wide risk management program. The ERMC is chaired by the CRO, who maintains a direct line of communication with the Risk and Finance Committee (RFC) of our board of directors.

The RFC is the board committee that oversees our cybersecurity risk management. Our CISO makes quarterly reports to the RFC about material cybersecurity risks, updates to the cybersecurity program, metrics that evaluate the effectiveness of the cybersecurity program, material cybersecurity incidents and remediation plans. The RFC also receives timely reports from the CISO when there are significant cybersecurity incidents or updates to the cybersecurity risk assessment. The board of directors also takes an active role in overseeing cybersecurity risk, including receiving an annual report from the CISO that provides an overview of the status and effectiveness of our cybersecurity risk management program and participating in cybersecurity incident response tabletop exercises.

See "Quantitative and Qualitative Disclosures About Market Risk" contained herein in Item 7A for further information. Also see "Risk Factors" included in Item 1A for additional information regarding cybersecurity risk.

ITEM 2. PROPERTIES

As of December 31, 2024, we owned office space comprised of five campuses located in Chattanooga, Tennessee; Portland, Maine; Columbia, South Carolina; Baton Rouge, Louisiana; and Dorking in the United Kingdom. In addition, as of December 31, 2024, we leased office space in various locations throughout the United States, the United Kingdom, Ireland, and Poland. Substantially all of the properties owned or leased are used by one or more of our reportable segments, depending on the location. We believe our properties and facilities are suitable and adequate for current operations.

ITEM 3. LEGAL PROCEEDINGS

Refer to Note 16 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for information on legal proceedings.

ITEM 4. MINE SAFETY DISCLOSURES

Not Applicable
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PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Common stock of Unum Group is traded on the New York Stock Exchange. The stock symbol is UNM. Quarterly dividends declared and paid per share of common stock are as follows:

2024
4th Quarter $0.420 
3rd Quarter0.420 
2nd Quarter0.365 
1st Quarter0.365 
2023
4th Quarter $0.365 
3rd Quarter0.365 
2nd Quarter0.330 
1st Quarter0.330 

Our board of directors has the authority to declare cash dividends on shares of our common stock. In determining dividends, the board takes into account a number of factors including our financial condition and results of operations, regulatory limitations on the payment of dividends from subsidiaries, cash requirements, general economic conditions, and other factors the board may deem relevant.  For information on restrictions relating to our subsidiaries' ability to pay dividends to Unum Group and certain of its intermediate holding company subsidiaries, see "Liquidity and Capital Resources - Cash Available from Subsidiaries" contained herein in Item 7 and Note 18 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

As of February 25, 2025, there were 7,052 registered holders of common stock.

The following table provides information about our share repurchase activity for the fourth quarter of 2024.

(a) Total Number of Shares Purchased (3) (4)
(b) Average Price Paid per Share (1) (3) (4)
(c) Total Number of Shares Purchased as Part of Publicly Announced Program (2) (3) (4)
(d) Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program (1) (2) (3) (4)
October 1 - October 31, 20241,910,665 $68.11 1,910,665 $814,160,418 
November 1 - November 30, 20243,751,168 72.55 3,751,168 493,160,418 
December 1 - December 31, 2024291,742 68.11 291,742 493,160,418 
Total
5,953,575 5,953,575 

(1) Excludes the cost of commissions and excise taxes.

(2) In July 2024, our board of directors authorized the repurchase of up to $1,000.0 million of Unum Group's outstanding common stock beginning on August 1, 2024. In February 2025, our board of directors authorized the repurchase of up to $1,000.0 million of Unum Group's outstanding common stock beginning on April 1, 2025. Concurrent with the announcement of the February 2025 repurchase program, we also announced the termination of the July 2024 program as of March 31, 2025, and any unused amounts under that program will expire as of that date. The repurchase program authorized in February 2025 has no scheduled termination date.

(3) In October 2024, we entered into an accelerated share repurchase agreement. As part of this transaction, we paid $150.0 million to a financial counterparty and received an initial delivery of 1,910,665 shares of our common stock, which represented
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approximately 75 percent of the total delivery under the agreement. The final price adjustment settlement, along with the delivery of the remaining shares, occurred in December 2024, resulting in the delivery of 291,742 additional shares. In total, we repurchased 2,202,407 shares pursuant to the October 2024 accelerated share repurchase agreement.

(4) In November 2024, we entered into another accelerated share repurchase agreement. As part of this transaction, we paid $321.0 million to a financial counterparty and received an initial delivery of 3,751,168 shares of our common stock, which represented approximately 75 percent of the total delivery under the agreement. The final price adjustment settlement, along with the delivery of the remaining shares, occurred in February 2025, resulting in the delivery to us of 673,119 additional shares. In total, we repurchased 4,424,287 shares pursuant to the November 2024 accelerated share repurchase agreement.

For information relating to compensation plans under which Unum Group's equity securities are authorized for issuance, see Item 12 contained herein. For information relating to our accelerated share repurchases and share repurchase programs, see Note 12 contained herein Item 8.
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ITEM 6. [RESERVED]

ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The discussion and analysis presented in this section should be read in conjunction with the "Cautionary Statement Regarding Forward-Looking Statements" included below the Table of Contents, "Risk Factors" included herein Item 1A, and the Consolidated Financial Statements and notes thereto included in Item 8.



TABLE OF CONTENTS

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Executive Summary

2024 Operating Performance and Capital Management

For 2024, we reported net income of $1,779.1 million, or $9.46 per diluted common share, compared to net income of $1,283.8 million, or $6.50 per diluted common share, in 2023.

Included in our results for 2024 are:

•A net investment loss of $34.6 million before tax and $27.0 million after tax, or $0.14 per diluted common share;
•Amortization of the cost of reinsurance of $41.4 million before tax and $32.7 million after tax, or $0.17 per diluted common share;
•Non-contemporaneous reinsurance of $25.1 million before tax and $19.9 million after tax or $0.11 per diluted common share;
•A net reserve decrease related to assumption updates of $357.4 million before tax and $282.6 million after tax, or $1.50 per diluted common share; and
•A loss resulting from a legal settlement of $15.3 million before tax and $12.1 million after tax, or $0.06 per diluted common share.

Included in our results for 2023 are:

•A net investment loss of $36.0 million before tax and $28.2 million after tax, or $0.14 per diluted common share;
•Amortization of the cost of reinsurance of $44.1 million before tax and $34.8 million after tax, or $0.18 per diluted common share;
•Non-contemporaneous reinsurance of $34.8 million before tax and $27.5 million after tax or $0.14 per diluted common share; and
•A net reserve increase related to assumption updates of $177.2 million before tax and $139.3 million after tax, or $0.70 per diluted common share.

Excluding these items, after-tax adjusted operating income for 2024 was $1,588.2 million, or $8.44 per diluted common share compared to $1,513.6 million, or $7.66 per diluted common share for 2023. See "Reconciliation of Non-GAAP and Other Financial Measures" contained herein in this Item 7 for a reconciliation of these items.

Our Unum US segment reported income before income tax and net investment gains and losses of $1,582.8 million in 2024 compared to $1,484.3 million in 2023, which include the reserve assumption updates that occurred during the third quarters of 2024 and 2023. Excluding these items, our Unum US segment reported adjusted operating income of $1,439.2 million in 2024 compared to $1,355.5 million in 2023, primarily due to higher premium income as well as favorable benefits experience, primarily in our group life product line, partially offset by higher commissions. The benefit ratio, excluding the reserve assumption updates, for our Unum US segment for 2024 was 58.2 percent, compared to 59.8 percent in 2023. Unum US sales increased 6.5 percent in 2024 compared to 2023.

Our Unum International segment reported income before income tax and net investment gains and losses of $150.3 million in 2024 compared to $140.2 million in 2023, which include the reserve assumption updates during the third quarters of 2024 and 2023. Excluding these items, our Unum International segment reported adjusted operating income of $157.8 million in 2024 compared to $158.1 million in 2023. As measured in local currency, our Unum UK line of business reported adjusted operating income, which excludes the reserve assumption updates, of £117.8 million in 2024 compared to £124.6 million in 2023, primarily due to lower net investment income as well as unfavorable benefits experience in the group life and group long-term disability product lines, partially offset by higher premium income. The benefit ratio for our Unum UK line of business, excluding the reserve assumption updates, was 69.8 percent in 2024 compared to 69.0 percent in 2023. Unum International sales, as measured in U.S. dollars, increased 9.4 percent in 2024 compared to 2023. Unum UK sales, as measured in local currency, increased 6.6 percent in 2024 compared to 2023.

Our Colonial Life segment reported income before income tax and net investment gains and losses of $512.7 million in 2024 compared to $480.8 million in 2023, which include the reserve assumption updates during the third quarters of 2024 and 2023. Excluding these items, our Colonial Life segment reported adjusted operating income of $466.7 million in 2024 compared to $400.1 million in 2023, primarily due to favorable benefits experience and higher premium income, partially offset by higher
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commissions and amortization of deferred acquisition costs. The benefit ratio, excluding the reserve assumption updates, for Colonial Life was 47.7 percent in 2024 compared to 50.9 percent in 2023. Colonial Life sales decreased 1.4 percent in 2024 compared to 2023.

Our Closed Block segment reported income before income tax and net investment gains and losses of $246.6 million in 2024 compared to a loss before income tax and net investment gains and losses of $282.8 million in 2023, which include the amortization of the cost of reinsurance and the impact of non-contemporaneous reinsurance related to the Closed Block individual disability reinsurance transaction, as well as the reserve assumption updates. Excluding these items, our Closed Block segment reported adjusted operating income of $137.8 million in 2024 compared to $164.9 million in 2023, primarily due to unfavorable benefits experience in our long-term care and all other product lines, partially offset by favorable net investment income. The net premium ratio for long-term care increased to 94.6 percent at December 31, 2024 from 93.5 percent at December 31, 2023.

A rising interest rate environment could positively impact our yields on new investments, but could also increase unrealized losses in our current holdings. Alternatively, a declining interest rate environment could negatively impact our yields on new investments, but could also reduce unrealized losses in our current holdings. As of December 31, 2024, we do not hold any securities with a decline in fair value below amortized cost which we intend to sell nor any securities for which it is more likely than not that we will be required to sell before recovery in amortized cost. The net unrealized loss on our fixed maturity securities was $2.6 billion and $1.6 billion at December 31, 2024 and 2023, respectively, with the increase due primarily to an increase in U.S. Treasury Rates. The earned book yield on our investment portfolio for 2024 was 4.44 percent, which was generally consistent with a yield of 4.45 percent for 2023.

Additionally, a rising interest rate environment could result in reserve decreases while a declining interest rate environment could result in reserve increases, specific to our liability for future policy benefits, as the reserve discount rate assumptions used in the calculation of our liability are updated at each reporting date using a yield that is reflective of an upper-medium grade fixed income instrument, which is generally equivalent to a single-A interest rate matched to the duration of certain of our insurance liabilities. The change in discount rate assumptions on the liability for future policy benefits, net of reinsurance, due primarily to the increase in U.S Treasury rates during 2024, resulted in a decrease to the liability for future policy benefits, net of reinsurance, of approximately $2.3 billion.

We believe our capital and financial positions are strong. At December 31, 2024, the RBC ratio for our traditional U.S. insurance subsidiaries, calculated on a weighted average basis using the NAIC Company Action Level formula, was approximately 430 percent, which is above our long-term expectations. We repurchased 15.7 million shares of Unum Group common stock under our share repurchase program, at a cost of $979.3 million, which includes commissions, excise tax, and $80.3 million related to shares which settled in February 2025 in connection with the November 2024 accelerated share repurchase agreement during 2024. Our weighted average common shares outstanding, assuming dilution, equaled 188.1 million and 197.6 million for 2024 and 2023, respectively. As of December 31, 2024, Unum Group and our intermediate holding companies had available holding company liquidity of $1,987.0 million that was held primarily in bank deposits, commercial paper, money market funds, corporate bonds, municipal bonds, and asset backed securities.

Closed Block Long-Term Care and Unum US Individual Disability Reinsurance Transaction

On February 26, 2025, Unum America entered into a master transaction agreement with Fortitude Reinsurance Company Ltd. (Fortitude Re) which, subject to receipt of regulatory approvals and the satisfaction or waiver of other customary closing conditions, is expected to result in the execution of a coinsurance agreement (anticipated reinsurance agreement) during 2025.

This anticipated reinsurance agreement is to reinsure a portion of our Closed Block long-term care insurance business and a portion of our Unum US individual disability business on a coinsurance basis to Fortitude Re. The anticipated reinsurance agreement represents approximately 21 percent of total Closed Block long-term care future policy benefits and approximately 15 percent of Unum US individual disability future policy benefits as of December 31, 2024. The transaction is expected to result in approximately $430 million pre-tax ceding commission paid to Fortitude Re. Fortitude Re will establish and maintain a collateralized trust account for the benefit of Unum America to secure its obligations under the anticipated reinsurance agreement.

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Immediately prior to entering into the anticipated reinsurance agreement with Fortitude Re, Unum America will recapture the aforementioned Closed Block long-term care business from Fairwind Reinsurance Company (Fairwind), an affiliated captive reinsurer, and assume the aforementioned Unum US individual disability business from Provident Life and Accident Insurance Company, an affiliate.

2024, 2023, and 2022 Reserve Assumption Updates

During the third quarters of 2024, 2023, and 2022, we completed our annual cash flow assumption review and updated certain of our assumptions used to develop the liability for future policy benefits. For more information see "Critical Accounting Estimates" included herein in this Item 7 as well as Note 6 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Loss on Legal Settlement

During the third quarter of 2024, we incurred a loss of $15.3 million before tax, or $12.1 million after tax, within our Corporate segment for the settlement of an employment-related matter. $4.9 million of the loss is recorded within compensation expense and $10.4 million of the loss is recorded within other expenses in the consolidated statements of income.

Inflation Reduction Act

In August 2022, the Inflation Reduction Act (IRA) was signed into law in the U.S. and includes certain corporate tax provisions effective January 1, 2023. The IRA imposed a new 15 percent corporate alternative minimum tax (CAMT) on adjusted financial statement income (AFSI) on corporations that have average AFSI over $1.0 billion in any prior three-year period, starting with years 2020 to 2022. Our company is an applicable corporation. We have not recorded any CAMT as of December 31, 2024. We do not expect that any CAMT incurred would impact earnings since it would be offset with a credit toward regular income tax in subsequent years. The IRA also imposed a one percent excise tax on fair market value of corporate stock repurchases after December 31, 2022. This excise tax is recorded as part of the cost basis of treasury stock and is assessed on the fair market value of stock purchases, reduced by the fair value of any shares issued during the period. We have recorded $8.3 million of excise tax in stockholders' equity, as part of the cost basis of treasury stock in 2024.

U.K. Tax Law Change

In June 2021, the Finance Act 2021 was enacted, resulting in a U.K. tax rate increase from 19 percent to 25 percent, effective April 1, 2023.

Global Minimum Tax

The Organization for Economic Co-operation and Development (OECD) has established model rules to ensure a minimum level of tax of 15 percent (Pillar Two) for multinational companies. Several jurisdictions, including the United Kingdom, Ireland, and Poland have adopted Pillar Two beginning on or after December 31, 2023. We have not recorded material Pillar Two taxes as of December 31, 2024, and we do not expect material impacts in 2025. We will continue to monitor legislative developments.

Consolidated Company Outlook for 2025

We believe our strategy of providing financial protection products at the workplace puts us in a position of strength. We continue to fulfill our corporate purpose of helping the working world thrive throughout life’s moments by providing excellent service to people at their time of need. Our strategy remains centered on growing our core businesses through investing and transforming our operations and technology to anticipate and respond to the changing needs of our customers, expanding into new adjacent markets through meaningful partnerships, and effective deployment of our capital across our portfolio.

In 2024, we experienced increased earnings driven by the underlying strength of our business and expect positive operating trends in our core businesses to continue in 2025. The products and services we provide deliver significant value to employers, employees and their families, and we believe this will help drive sales and premium growth in 2025.

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A rising interest rate environment could positively impact our yields on new investments but could also increase unrealized losses in our current holdings. Alternatively, a declining interest rate environment could negatively impact our yields on new investments but could also reduce unrealized losses in our current holdings. We also may continue to experience further volatility in miscellaneous investment income primarily related to changes in partnership net asset values as well as bond calls.

As part of our discipline in pricing and reserving, we continuously monitor emerging claim trends and interest rates. We will continue to take appropriate pricing actions on new business and renewals that are reflective of the current environment and may continue to utilize derivative financial instruments to manage interest rate risk.

Our business is well-diversified by geography within our markets, industry exposures and case size, and we continue to analyze and employ strategies that we believe will help us navigate the current environment. These strategies allow us to maintain financial flexibility to support the needs of our businesses, while also returning capital to our shareholders. We have strong core businesses that have a track record of generating significant free cash flow, and we will continue to invest in our operations and expand into adjacent markets where we can best leverage our expertise and capabilities to capture market growth opportunities as those opportunities emerge. We believe that consistent operating results, combined with the implementation of strategic initiatives and the effective deployment of capital, will allow us to meet our financial objectives.

Further discussion is included in "Reconciliation of Non-GAAP and Other Financial Measures," "Consolidated Operating Results," "Segment Results," "Investments," and "Liquidity and Capital Resources" contained herein in this Item 7 and in the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Reconciliation of Non-GAAP and Other Financial Measures

We analyze our performance using non-GAAP financial measures. A non-GAAP financial measure is a numerical measure of a company's performance, financial position, or cash flows that excludes or includes amounts that are not normally excluded or included in the most directly comparable measure calculated and presented in accordance with U.S generally accepted accounting principles (GAAP). The non-GAAP financial measure of "after-tax adjusted operating income" differs from net income as presented in our consolidated operating results and income statements prepared in accordance with GAAP due to the exclusion of investment gains or losses, the amortization of the cost of reinsurance, the impact of non-contemporaneous reinsurance, and reserve assumption updates as well as certain other items as specified in the reconciliations below. Investment gains or losses primarily include realized investment gains or losses, expected investment credit losses, and gains or losses on derivatives. We believe after-tax adjusted operating income is a better performance measure and better indicator of the profitability and underlying trends in our business.

Investment gains or losses depend on market conditions and do not necessarily relate to decisions regarding the underlying business of our segments. Our investment focus is on investment income to support our insurance liabilities as opposed to the generation of investment gains or losses. Although we may experience investment gains or losses which will affect future earnings levels, a long-term focus is necessary to maintain profitability over the life of the business since our underlying business is long-term in nature, and we need to earn the interest rates assumed in calculating our liabilities.

We exited a substantial portion of our Closed Block individual disability product line through the two phases of the reinsurance transaction that were executed in December 2020 and March 2021. As a result, we exclude the amortization of the cost of reinsurance that we recognized upon the exit of the business related to the policies on claim status as well as the impact of non-contemporaneous reinsurance that resulted from the adoption of ASU 2018-12. We believe that the exclusion of these items provides a better view of our results from our ongoing businesses.

Cash flow assumptions used to calculate our liability for future policy benefits are reviewed at least annually and updated, as needed, with the resulting impact reflected in net income. While the effects of these assumption updates are recorded in the reporting period in which the review is completed, these updates reflect experience emergence and changes to expectations spanning multiple periods. We believe that by excluding the impact of reserve assumption updates we are providing a more comparable and consistent view of our quarterly results.

We may at other times exclude certain other items from our discussion of financial ratios and metrics in order to enhance the understanding and comparability of our operational performance and the underlying fundamentals, but this exclusion is not an indication that similar items may not recur and does not replace net income or net loss as a measure of our overall profitability.

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See "Executive Summary" contained herein in Item 7 and Notes 3, 6, 14, and 15 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion regarding the items specified in the reconciliations below.

A reconciliation of GAAP financial measures to our non-GAAP financial measures is as follows:

Year Ended December 31
202420232022
(in millions)per share *(in millions)per share *(in millions)per share *
Net Income$1,779.1 $9.46 $1,283.8 $6.50 $1,407.2 $6.96 
Excluding:
Net Investment Loss (net of tax benefit of $7.6; $7.8; $3.5)
(27.0)(0.14)(28.2)(0.14)(12.2)(0.07)
Amortization of the Cost of Reinsurance (net of tax benefit of $8.7; $9.3; $10.6)
(32.7)(0.17)(34.8)(0.18)(39.7)(0.20)
Non-Contemporaneous Reinsurance (net of tax benefit of $5.2; $7.3; $7.2)
(19.9)(0.11)(27.5)(0.14)(27.2)(0.13)
Reserve Assumption Updates (net of tax expense (benefit) of $74.8; $(37.9); $51.2)
282.6 1.50 (139.3)(0.70)192.1 0.96 
Loss on Legal Settlement (net of tax benefit of $3.2; $—; $—)
(12.1)(0.06)— — — — 
After-tax Adjusted Operating Income$1,588.2 $8.44 $1,513.6 $7.66 $1,294.2 $6.40 
* Assuming Dilution

We measure and analyze our segment performance on the basis of "adjusted operating revenue" and "adjusted operating income" or "adjusted operating loss," which differ from total revenue and income before income tax as presented in our consolidated statements of income due to the exclusion of investment gains and losses, the amortization of the cost of reinsurance, the impact of non-contemporaneous reinsurance, and reserve assumption updates, as well as certain other items as specified in the reconciliations below. These performance measures are in accordance with GAAP guidance for segment reporting, but they should not be viewed as a substitute for total revenue, income before income tax, or net income.

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A reconciliation of total revenue to "adjusted operating revenue" and income before income tax to "adjusted operating income" is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Total Revenue$12,887.3 $12,385.9 $11,984.1 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Adjusted Operating Revenue$12,921.9 $12,421.9 $11,999.8 
Income Before Income Tax$2,251.3 $1,640.1 $1,750.0 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Amortization of the Cost of Reinsurance(41.4)(44.1)(50.3)
Non-Contemporaneous Reinsurance
(25.1)(34.8)(34.4)
Reserve Assumption Updates357.4 (177.2)243.3 
Loss on Legal Settlement
(15.3)— — 
Adjusted Operating Income$2,010.3 $1,932.2 $1,607.1 

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Critical Accounting Estimates

We prepare our financial statements in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect amounts reported in our financial statements and accompanying notes. Estimates and assumptions could change in the future as more information becomes known, which could impact the amounts reported and disclosed in our financial statements.

The accounting estimates deemed to be most critical to our financial position and results of operations are those related to the liability for future policy benefits, valuation of investments, pension and postretirement benefit plans, income taxes, and contingent liabilities. For additional information, refer to our significant accounting policies in Note 1 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Liability for Future Policy Benefits

Liabilities for future policy benefits represent the cost of claims that we estimate we will eventually pay to our policyholders and the related expenses for our non interest-sensitive products. Liability for future policy benefits includes policy liabilities for claims not yet incurred and for claims that have been incurred or are estimated to have been incurred but not yet reported to us. Liability for future policy benefits equaled $36.8 billion and $40.0 billion at December 31, 2024 and 2023, or approximately 72.2 percent and 74.6 percent of our total liabilities, respectively. Liability for future policy benefits ceded to reinsurers was $7.0 billion and $7.8 billion at December 31, 2024 and 2023, respectively, and are reported as a reinsurance recoverable in our consolidated balance sheets.

Liabilities for future policy benefits are initially established in the same period in which we issue a policy, and equal the difference between projected future policy benefits and projected future premiums, allowing a margin for expenses and profit. The liabilities for future policy benefits build up and release over time, based on the emergence of cash flows, including premiums received and claims paid, and updated expectations for future cash flows.

Liabilities for future policy benefits are updated at each reporting date to reflect changes in the liability based on policy development over time, emerging experience, and any assumption updates required to maintain the best estimate basis for expected future cash flows as required by GAAP. These future policy benefit liabilities are based on actual known facts regarding the liability, such as the benefits available under the applicable policy, the covered benefit period, the age, and, as appropriate, the occupation and cause of disability of the claimant, as well as assumptions derived from our actual historical experience and expected future changes in experience for factors such as the claim duration, claim administration expenses, discount rate, policy benefit offsets, including those for social security and other government-based welfare benefits. The liability for future policy benefits also includes the liabilities for incurred claims.

Future policy benefit liabilities primarily relate to our traditional long-duration products which include our group, individual disability and certain of our voluntary benefits products in our Unum US segment; group, individual disability and life products in our Unum International segment; certain of our voluntary benefits products in our Colonial Life segment; and long-term care and certain of our other products in our Closed Block segment.

In calculating the liability for future policy benefits, our long-duration contracts are grouped into cohorts by product type and contract issue year. Liabilities for future policy benefits for claims not yet incurred are generally determined using the net premium model as prescribed by GAAP. At each reporting period, the liability for future policy benefits is remeasured at the current discount rate with the change recorded in other comprehensive income.

The calculation of the liability for future policy benefits involves numerous assumptions including discount rate, lapses, mortality, and morbidity. Certain product lines may utilize additional assumptions in calculating the liability for future policy benefits in addition to those listed above such as premium rate increases for long-term care, benefit offsets for Unum US long-term disability, claim costs for Unum US voluntary benefits and Colonial Life, and inflation-linked benefits for Unum UK group disability and group life. Claim costs capture the combined effect of the incidence rate, the expected level of benefit to be paid, and the claim resolution rate. Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently, if necessary, based on trending experience.

On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience. The updated cash flows, based on experience emergence and any assumption updates, are used to determine the updated net premiums, the
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portion of the gross premium required to provide for all benefits and expenses, excluding acquisition costs or any costs that are required to be charged to expense as incurred. The updated net premium ratio is used to calculate the updated liability for future policy benefits as of the beginning of year, at the original discount rate. To the extent the present value of future benefits and expenses exceeds the present value of future gross premiums, an immediate charge is recognized in net income, such that net premiums are set equal to gross premiums. Future policy benefit liabilities are floored at zero at the cohort level in situations where the liabilities for future policy benefits are less than zero. The change in the liability for future policy benefits, at the original discount rate, as of the beginning of the period, resulting from cash flow changes, including changes in cash flow assumptions, is reflected as the change in benefits - remeasurement gain or loss in the consolidated statements of income. The impact of all other changes in the liability for future policy benefits are reflected as policy benefits in the consolidated statements of income.

Key Assumptions

The calculation of the liability for future policy benefits involves numerous assumptions, but the primary assumptions used to calculate the liability are (1) the discount rate, (2) the claim resolution rate, (3) the claim incidence rate, and (4) policyholder lapse and mortality:

1.The discount rate, which is used in calculating the liability for future policy benefits, is the interest rate that we use to discount future cash flows including premium and claim payments to determine the present value. A higher discount rate produces a lower reserve. If the discount rate is higher than our future investment returns, our invested assets will not earn enough investment income to support our future claim payments. The original discount rates are initially set at the transition date of ASU 2018-12, which was January 1, 2021, for policies originally issued before the transition date, or at the policy issuance date, for policies issued on or after the transition date. For policies issued on or after the transition date, the original discount rate assumptions reflect an upper-medium grade (low-credit risk) fixed-income instrument yield based on the currency in which the liabilities are assumed and matched to the duration of the insurance liabilities. For all cohorts, the liability is then remeasured at each reporting period using the current discount rate reflective of an upper-medium grade fixed-income instrument. We primarily utilize a forward curve which is derived from the underlying spot curve using interpolation to develop an ultimate forward rate.

2.The claim resolution rate is the probability that a disability or long-term care claim will close due to recovery or death of the insured and it is used to estimate how long benefits will be paid for a claim. Estimated resolution rates that are set too high will result in liabilities that are lower than they need to be to pay the claim benefits over time. Claim resolution assumptions involve many factors, including the cause of disability, the policyholder's age, the type of contractual benefits provided including benefit elections, and the time since initial disability. We primarily use our own claim experience to develop our claim resolution assumptions. These assumptions are established for the probability of death and the probability of recovery from disability. Our studies incorporate actual claim resolution experience over a number of years and consider any observed trends over the study period. We also consider any expected future changes in claim resolution experience.

3.The incidence rate is the rate at which new claims are submitted to us. The incidence rate is affected by many factors, including the age of the insured, the insured's occupation or industry, the benefit plan design, and certain external factors such as consumer confidence and levels of unemployment. We establish our incidence assumption using a historical review of actual incidence results along with an outlook of future incidence expectations.

4.Policyholder lapse and mortality assumptions reflect the probability that insureds’ coverage is discontinued due to lapsation or death of the insured. For our life insurance products, mortality assumptions also reflect the probability that a benefit payment occurs. These rates are affected by many factors, including the age of the insured, the insured's occupation or industry, the benefit plan design, and the length of time from policy or certificate issue to valuation date. We establish our mortality and lapse assumptions using a historical review of actual results along with an outlook of future expectations.

Establishing liability for future policy benefit assumptions is complex and involves many factors. Liabilities for future policy benefits, particularly for policies offering insurance coverage for long-term disabilities and long-term care, are dependent on numerous assumptions other than just those presented in the preceding discussion. The impact of internal and external events, such as changes in claims operational procedures, economic trends such as the rate of unemployment and the level of consumer confidence, the emergence of new diseases, new trends and developments in medical treatments, and legal trends and legislative
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changes, including changes to social security and other government-based welfare benefits programs which provide policy benefit offsets, among other factors, will influence claim incidence rates, claim resolution rates, and claim costs. In addition, for policies offering coverage for disability or long-term care at advanced ages, the level and pattern of mortality rates at advanced ages will impact overall benefit costs. Reserve assumptions differ by product line and by policy type within a product line. Additionally, in any period and over time, our actual experience may have a positive or negative variance from our long-term assumptions, either singularly or collectively, and these variances may offset each other. We review our assumptions at least annually with a long-term view of our expected experience over the life of a block of business rather than test just one or a few assumptions independently that may be aberrant over a short period of time. Based on this review, we update our assumptions to reflect our current best estimates. Therefore, while it is possible to evaluate the sensitivity of overall results in our liability for future policy benefits based upon a change in each individual assumption, the actual impacts of changes to a variety of underlying assumptions must be considered in the aggregate by product line in order to judge the overall potential implications to the liability for future policy benefits. The following sections present the impacts of our most recent cash flow assumption reviews and an overview of our trend analysis for key assumptions and the results of variability in our assumptions, in aggregate, for the liabilities for future policy benefits which we believe are reasonably possible to have a material impact on our future financial results if actual claims yield a materially different amount than what we currently expect and have reserved for, either favorable or unfavorable.

Cash Flow Assumption Review

Our cash flow assumption reviews during the years ended December 31, 2024, 2023, and 2022 resulted in the following impacts to income before income tax as a result of updating certain assumptions related to the liability for future policy benefits:

December 31
202420232022
(in millions of dollars)
Cash Flow Assumption Update Impacts to Income Before Income Tax
Unum US
Group Disability$90.0 $121.0 $121.0 
Group Life and Accidental Death and Dismemberment13.0 — 34.0 
Voluntary Benefits(12.2)10.4 17.0 
Individual Disability52.8 (2.6)(1.2)
Total Unum US143.6 128.8 170.8 
Unum International(7.5)(17.9)7.6 
Colonial Life46.0 80.7 55.2 
Closed Block
Long-term Care174.1 (368.1)2.9 
Closed Block - All Other1.2 (0.7)6.8 
Total Closed Block175.3 (368.8)9.7 
Total$357.4 $(177.2)$243.3 

2024 Significant Cash Flow Assumption Updates:

The cash flow assumption updates in our Unum US group long-term disability product line reduced our liability for future policy benefits by $90.0 million, due primarily to claim resolution assumptions driven by favorable claim recovery trends.

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The cash flow assumption updates in our Unum US individual disability product line reduced our liability for future policy benefits by $52.8 million, due primarily to favorable claim incidence trends.

The cash flow assumption updates in our Colonial Life segment reduced our liability for future policy benefits by $46.0 million, due primarily to improved claim cost assumptions.

The cash flow assumption updates in our Closed Block segment were primarily driven by the long-term care product line which reduced our liability for future policy benefits by $174.1 million, due primarily to an increase to expected premium rate increase approvals within our existing premium rate increase program, partially offset by lower expected persistency on group policies.

2023 Significant Cash Flow Assumption Updates:

The cash flow assumption updates in our Unum US group long-term disability product line reduced our liability for future policy benefits by $121.0 million, due primarily to sustained improvement in claim recovery trends.

The cash flow assumption updates in our Colonial Life segment reduced our liability for future policy benefits by $80.7 million, due primarily to improvement in certain of our claim cost assumptions and increased policyholder lapse rates.

The cash flow assumption updates in our Closed Block segment were primarily driven by the long-term care product line which increased our liability for future policy benefits by $368.1 million, due primarily to lower expectations for active policy lapse and mortality assumptions, partially offset by an increase to expected premium rate increase approvals within our existing premium rate increase program.

2022 Significant Cash Flow Assumption Updates:

The cash flow assumption updates in our Unum US group long-term disability product line and our waiver of premium benefits for our Unum US group life product line reduced our liability for future policy benefits by $121.0 million and $34.0 million, respectively, due primarily to sustained improvement in claim recovery trends, partially offset by lower social security benefit offsets for our group long-term disability product line.

The cash flow assumption updates in our Colonial Life segment reduced our liability for future policy benefits by $55.2 million, due primarily to improvement in certain of our claim cost assumptions.

The cash flow assumption updates in our Closed Block segment were primarily driven by the all other product line. The impact to income before income tax for this product line was $6.8 million and related to the small block of retained individual disability business. However, there were also updates to the mortality assumptions for the advanced age portion of our individual disability claimant population which was included in the block ceded as a part of the Closed Block individual disability reinsurance transaction with Commonwealth Annuity and Life Insurance Company. We increased our liability for future policy benefits by $196.0 million as a result of the assumption updates related to the ceded advanced age claimant block with a corresponding increase in our consolidated balance sheet as a reinsurance recoverable.

Trends in Key Assumptions

Generally, we do not expect our mortality and morbidity claim incidence trends or our persistency trends to change significantly in the short-term, and to the extent that these trends do change, we expect those changes to be gradual over a longer period of time. We have historically experienced an increase in our group long-term disability morbidity claim incidence trends during and following a recessionary period and believe claim incidence trends may continue to somewhat follow general economic conditions and demographics of the general workforce.

The long-term discount rates underlying our liabilities are reflective of rates based on the issue year of the cohort or rates underlying the liabilities at transition to the updated accounting basis as prescribed by ASU 2018-12. The discount rate assumption for new cohorts, after the transition date, is based on the interest rate of an upper-medium grade fixed-income instrument for that cohort period.

Our claim resolution rate assumption used in determining the liability for future policy benefits is our expectation of the resolution rate we will experience over the life of the block of business and will vary from actual experience in any one period,
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both favorably and unfavorably. Claim resolution rates are very sensitive to operational and environmental changes and have a greater chance of significant variability in a shorter period of time than our other reserve assumptions. These rates are reviewed on a quarterly basis for the death and recovery components separately. While claim resolution rates in our Unum US group long-term disability product line have shown some variability over the last several years, they have exhibited an increasing trend.

Sensitivity Analysis

We monitor our key assumptions and test the sensitivity of our liability for future policy benefits under a range of scenarios. This sensitivity analysis is completed at least annually and was last completed as of December 31, 2024 for our product lines with a higher level of estimation uncertainty and utilizes the liability for future policy benefits valued at the original discount rate. See "Quantitative and Qualitative Disclosures about Market Risk" contained herein in Item 7A for information regarding the sensitivity of the current discount rate used to remeasure the liability for future policy benefits at each reporting date.

In our estimation, scenarios based on certain variations in each of our assumptions for our Unum US group long-term disability product line could produce a change of approximately $100 million which represents 2.1 percent of our Unum US group disability liability for future policy benefits balance. Of the assumptions impacting the estimated change in the liability for future policy benefits, the largest contributor is the claim resolution rate for which we assumed a change of approximately 10 percent.

In our estimation, scenarios based on certain possible variations in each of our assumptions for our Colonial Life segment could produce a change of approximately $60 million which represents 3.2 percent of our Colonial Life liability for future policy benefits balance. Of the assumptions impacting the estimated change in the liability for future policy benefits, the largest contributor is the claim costs, for which we assumed a change of approximately 10 percent.

We also consider variability in our assumptions related to the long-term care liability for future policy benefits. In our estimation, scenarios based on certain variations in each of our assumptions could produce potential results as illustrated in the chart below. The liability for future policy benefits for long-term care is based upon a number of key assumptions, and each assumption has various factors which may impact the long-term outcome. Key assumptions with respect to active policy lapses and mortality, claim incidence and resolutions, and future premium rate increases must incorporate extended views of expectations for many years into the future. The liability for future policy benefits is highly sensitive to these estimates. Key assumptions and related impacts are also heavily interrelated in both their outcome and in their effects on the liability for future policy benefits. For example, changes in the view of morbidity and mortality might be mitigated by either potential future premium rate increases and/or morbidity improvements due to general improvement in health and/or medical breakthroughs. There is a potentially wide range of outcomes for each assumption and in totality. As a result, and given the size of the long-term care liability for future policy benefits in relation to the total liability for future policy benefits, our sensitivity analysis for long-term care reflects the potential impact to the present value of gross liability cash flows for future policy benefits for updates to our key assumptions. The sensitivity analysis related to our key assumptions for the long-term care liability for future policy benefits is as shown below. The impact of changes to these assumptions would partially be reflected in the period in which the assumptions are updated and partially across future periods. Given the significant changes in certain assumptions, the below sensitivity analysis was completed as of the beginning of the third quarter of 2024 at which point the most recent assumption update review occurred.
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PV Gross LFPB Cash Flows1
Long-Term Care Cash Flow Assumptions
SensitivityUnfavorableFavorable
(in millions of dollars)
Active Policy Lapses and Mortality
7.5 %$480 $450 
Claim Incidence3.0 %410 410 
Claim Resolutions
2.0 %320 310 
Morbidity/Mortality Improvement2
No Improvement/2x1,010 1,030 
Future Unapproved Premium Rate Increases
10.0 %100 100 
1Present value of cash flows specific to the LFPB at original discount rate, except using gross premiums instead of net premiums.
2Unfavorable scenario reflects no future improvement. Favorable scenario reflects improvement rates, from the valuation date forward, twice as high as baseline.

The impact to current period liability for future benefits would be smaller in magnitude than the present value of gross liability for future policy benefits cash flows due to the updating of the net premium ratio. The current period liability for future policy benefits impact may be asymmetrical (i.e. larger for the unfavorable scenario) for some sensitivities if the assumption update causes the net premium ratio to be capped at 100 percent for any given cohort.

We believe that these sensitivities provide a reasonable estimate of the possible changes in liability for future policy benefit balances for those product lines where we believe it is possible that variability in the assumptions, in the aggregate, could result in a material impact on our liability for future policy benefit levels, but we record our liability for future policy benefits based on our long-term best estimate for our cohorts and these assumptions are reviewed and updated annually to reflect the current best estimates. Product lines that have long-term claim payout periods have a greater potential for significant variability in claim costs, either positive or negative. We closely monitor emerging experience and use these results to inform our view of long-term assumptions.

Fair Value of Investments

All of our fixed maturity securities, which are classified as available-for-sale, and all of our unrestricted equity securities are reported at fair value. Our derivative financial instruments, including certain derivative instruments embedded in other contracts, are reported as either assets or liabilities and measured at fair value. We report our investments in private equity partnerships at our share of the partnerships' net asset value or its equivalent (NAV), as a practical expedient for fair value.

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date and therefore represents an exit price, not an entry price. The exit price objective applies regardless of our intent and/or ability to sell the asset or transfer the liability at the measurement date. We generally use valuation techniques consistent with the market approach, and to a lesser extent, the income approach. The market approach uses prices and other relevant information from market transactions involving identical or comparable assets or liabilities and the income approach converts future amounts, such as cash flows or earnings, to a single present value amount, or a discounted amount. We believe the market approach valuation technique provides more observable data than the income approach, considering the types of investments we hold.

The degree of judgment utilized in measuring the fair value of financial instruments generally correlates to the level of pricing observability. Financial instruments with readily available active quoted prices or for which fair value can be measured from actively quoted prices in active markets generally have more pricing observability and less judgment utilized in measuring fair value. The market sources from which we obtain or derive the fair values of our assets and liabilities carried at market value include quoted market prices for actual trades, price quotes from third party pricing vendors, price quotes we obtain from outside brokers, discounted cash flow, and observable prices for similar publicly traded or privately traded issues that incorporate the credit quality and industry sector of the issuer. Our fair value measurements could differ significantly based on the valuation technique and available inputs.

Inputs to valuation techniques refer broadly to the assumptions that market participants use in pricing assets or liabilities, including assumptions about risk, for example, the risk inherent in a particular valuation technique used to measure fair value
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and/or the risk inherent in the inputs to the valuation technique. We use observable and unobservable inputs in measuring the fair value of our financial instruments. Observable inputs are inputs that reflect the assumptions market participants would use in pricing the asset or liability developed based on market data obtained from independent sources. Unobservable inputs are developed based on the best information available in the circumstances, and reflect our evaluation of the assumptions market participants would use in pricing the asset or liability.

Certain of our investments do not have readily determinable market prices and/or observable inputs or may at times be affected by the lack of market liquidity. For these securities, we use internally prepared valuations, including valuations based on estimates of future profitability, to estimate the fair value. Additionally, we may obtain prices from independent third-party brokers to aid in establishing valuations for certain of these securities. Key assumptions used by us to determine fair value for these securities include risk-free interest rates, risk premiums, performance of underlying collateral (if any), and other factors involving significant assumptions which may or may not reflect those of an active market.

As of December 31, 2024, approximately 11.7 percent of our fixed maturity securities were categorized as Level 1, 87.9 percent as Level 2, and 0.4 percent as Level 3. Level 1 is the highest category of the three-level fair value hierarchy classification wherein inputs are unadjusted and represent quoted prices in active markets for identical assets or liabilities. The Level 2 category includes assets or liabilities valued using inputs (other than those included in the Level 1 category) that are either directly or indirectly observable for the asset or liability through correlation with market data at the measurement date and for the duration of the instrument's anticipated life. The Level 3 category is the lowest category of the fair value hierarchy and reflects the judgment of management regarding what market participants would use in pricing assets or liabilities at the measurement date using unobservable inputs to extrapolate an estimated fair value.

Rapidly changing credit and equity market conditions can materially impact the valuation of securities, and the period to period changes in value can vary significantly.

See "Quantitative and Qualitative Disclosures about Market Risk" for information regarding the sensitivity of the estimated fair value for fixed maturity securities contained herein in Item 7A. See Note 2 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Investment Credit Losses

One of the significant estimates related to investments is our credit loss valuation. In determining when a decline in fair value below amortized cost of a fixed maturity security represents a credit loss, we evaluate the following factors:

•Whether we expect to recover the entire amortized cost basis of the security
•Whether we intend to sell the security or will be required to sell the security before the recovery of its amortized cost basis
•Whether the security is current as to principal and interest payments
•The significance of the decline in value
•Current and future business prospects and trends of earnings
•The valuation of the security’s underlying collateral
•Relevant industry conditions and trends relative to their historical cycles
•Market conditions
•Rating agency and governmental actions
•Bid and offering prices and the level of trading activity
•Adverse changes in estimated cash flows for securitized investments
•Changes in fair value subsequent to the balance sheet date
•Any other key measures for the related security

We evaluate available information, including the factors noted above, both positive and negative, in reaching our conclusions. In particular, we also consider the strength of the issuer’s balance sheet, its debt obligations and near term funding requirements, cash flow and liquidity, the profitability of its core businesses, the availability of marketable assets which could be sold to increase liquidity, its industry fundamentals and regulatory environment, and its access to capital markets. Although all available and applicable factors are considered in our analysis, our expectation of recovering the entire amortized cost basis of the security, whether we intend to sell the security, whether it is more likely than not we will be required to sell the security before recovery of its amortized cost, and whether the security is current on principal and interest payments are the most critical
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factors in determining whether a credit loss is possible. The significance of the decline in value is also an important factor, but we generally do not record a credit loss based solely on this factor, since often other more relevant factors will impact our evaluation of a security.

While determining whether a credit loss exists is a judgmental area, we utilize a formal, well-defined, and disciplined process to monitor and evaluate our fixed income investment portfolio, supported by issuer specific research and documentation as of the end of each period. The process results in a thorough evaluation of investments and the recording of credit losses on a timely basis for investments determined to have credit loss.

We use a comprehensive rating system to evaluate the investment and credit risk of our mortgage loans and to identify specific properties for inspection and reevaluation. We estimate an allowance for credit losses that we expect to incur over the life of our mortgage loans using a probability of default method. For each loan, we estimate the probability that the loan will default before its maturity (probability of default) and the amount of the loss if the loan defaults (loss given default). These two factors result in an expected loss percentage that is applied to the amortized cost of each loan to determine the expected credit loss. Mortgage loans are reported at amortized cost less the allowance for expected credit losses with the change in expected credit losses recognized as an investment gain or loss in our consolidated statements of income.

There are a number of significant risks inherent in the process of monitoring our investments for credit losses and determining when and if a credit loss exists. These risks and uncertainties include the following possibilities:

•The assessment of a borrower's ability to meet its contractual obligations will change.
•The economic outlook, either domestic or foreign, may be less favorable or may have a more significant impact on the borrower than anticipated, and as such, the investment may not recover in value.
•New information may become available concerning the security, such as disclosure of accounting irregularities, fraud, or corporate governance issues.
•Significant changes in credit spreads may occur in the related industry.
•Significant increases in interest rates may occur and may not return to levels similar to when securities were initially purchased.
•Adverse rating agency actions may occur.

See Notes 1 and 3 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Pension and Postretirement Benefit Plans

We sponsor several defined benefit pension and other postretirement benefit (OPEB) plans for our employees, including non-qualified pension plans. The U.S. qualified and non-qualified defined benefit pension plans comprise the majority of our total benefit obligation and benefit cost. We maintain a separate defined benefit plan for eligible employees in our U.K. operation. The U.S. defined benefit pension plans were frozen and closed to new entrants on December 31, 2013, the OPEB plan was frozen and closed to new entrants on December 31, 2012, and the U.K. plan was frozen and closed to new entrants on December 31, 2002.

Assumptions

Our net periodic benefit costs and the value of our benefit obligations for these plans are determined based on a set of economic and demographic assumptions that represent our best estimate of future expected experience. Major assumptions used in accounting for these plans include the expected discount (interest) rate, the long-term rate of return on plan assets, and mortality rates. We also use, as applicable, expected increases in compensation levels and a weighted average annual rate of increase in the per capita cost of covered benefits, which reflects a health care cost trend rate, and the U.K. plan also uses expected cost of living increases to plan benefits.

The assumptions chosen for our pension and OPEB plans are reviewed annually, using a December 31 measurement date for each of our plans unless we are required to perform an interim remeasurement. The discount rate, expected long-term rate of return, and mortality rate assumptions have the most significant effect on our net periodic benefit costs associated with these plans. In addition to the effect of changes in our assumptions, the net periodic cost or benefit obligation under our pension and OPEB plans may change due to factors such as plan amendments, actual experience being different from our assumptions, special benefits to terminated employees, and/or changes in benefits provided under the plans.
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•Discount rate - This interest assumption is based on the yield derived from a portfolio of high quality fixed income corporate debt instruments that reasonably match the timing and amounts of projected future benefits for each of our retirement-related benefit plans. The rate is determined at the measurement date.

•Long-term rate of return - This assumption is selected from a range of probable return outcomes from an analysis of the asset portfolio. The market-related value as it relates to our estimate of long-term rate of return equals the fair value of plan assets, determined as of the measurement date. The return on plan assets recognizes all asset gains and losses, including changes in fair value, through the measurement date. Our expectations for the future investment returns of the asset categories are based on a combination of historical market performance, evaluations of investment forecasts obtained from external consultants and economists, and current market yields. The expected return for the total portfolio is calculated based on the plan's strategic asset allocation. The actual rate of return on plan assets is determined based on the fair value of the plan assets at the beginning and the end of the period, adjusted for contributions and benefit payments. A lower long-term rate of return on plan assets increases our net periodic benefit cost.

Investment risk is measured and monitored on an ongoing basis through annual liability measurements, periodic asset/liability studies, and quarterly investment portfolio reviews.  Risk tolerance is established through consideration of plan liabilities, plan funded status, and corporate financial condition. We believe our investment portfolios are well diversified by asset class and sector, with no undue risk concentrations in any one category. See Note 11 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of the investment portfolios for our plans.

•Mortality rate - This assumption reflects our best estimate, as of the measurement date, of the life expectancies of plan participants in order to determine the expected length of time for benefit payments. We derive our assumptions from industry mortality tables.

The weighted average assumptions used in the measurement of our net periodic benefit costs for the years ended December 31 are as follows:
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
Assumption202520242025202420252024
Discount Rate5.80 %5.40 %5.50 %4.50 %5.80 %5.40 %
Expected Long-term Rate of Return on Plan Assets7.25 %7.25 %7.40 %6.50 %5.75 %5.75 %

The following illustrates the sensitivity of the below items to a 50 basis point change in the discount rate or the expected long-term rate of return on plan assets:
($ in millions)
At or for the Year Ended December 31, 2024
AssumptionChange Net Periodic Benefit Cost, Before TaxBenefit ObligationStockholders' Equity, After Tax
Discount Rate+ 50 bp$(0.6)$(91.4)$71.8 
Discount Rate- 50 bp0.5 100.7 (79.1)
Expected Long-term Rate of Return on Plan Assets+ 50 bp(6.9)N/AN/A
Expected Long-term Rate of Return on Plan Assets- 50 bp6.9 N/AN/A

Benefit Obligation and Fair Value of Plan Assets

During 2024, the fair value of plan assets in our U.S. qualified defined benefit pension plan decreased from $1,295.9 million to $1,241.6 million, or 4.2 percent, due to benefits and expenses paid, partially offset by a positive return on assets which resulted in a gain of approximately 2.1 percent. During 2024, the fair value of plan assets in our U.K. plan decreased from £114.2 million to £100.1 million, or 12.3 percent, due primarily to an unfavorable return on assets which resulted in a loss of approximately 14.1 percent. Although our rate of return on plan assets for 2024 differed from our assumptions used in the
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measurement of our net periodic benefit costs, we believe our assumptions appropriately reflect the impact of the current economic environment and our expectations for the future investment returns based on the plan's asset allocation.

The fair value of plan assets in our OPEB plan was $7.9 million and $8.2 million at December 31, 2024 and 2023, respectively. These assets represent life insurance contracts to fund the life insurance benefit portion of our OPEB plan. Our OPEB plan represents a non-vested, non-guaranteed obligation, and current regulations do not require specific funding levels for these benefits, which are comprised of retiree life, medical, and dental benefits. It is our practice to use general assets to pay medical and dental claims as they come due in lieu of utilizing plan assets for the medical and dental benefit portions of our OPEB plan.

The U.S. qualified defined benefit pension plan was in an underfunded position of $120.1 million and $116.2 million at December 31, 2024 and December 31, 2023, respectively. This year-over-year change was due primarily to an unfavorable return on plan assets compared to the assumption, mostly offset by the decrease in the benefit obligation due to the increase in discount rate. The U.K. plan was in an underfunded position of £21.4 million and £21.2 million at December 31, 2024 and 2023, respectively.

As of December 31, 2024, our pension and OPEB plans have an aggregate unrecognized net actuarial loss of $566.5 million and an unrecognized prior service credit of $1.4 million, which together represent the cumulative liability and asset gains and losses as well as the portion of prior service credits that have not been recognized in pension expense. The unrecognized net actuarial loss for our pension plans, which is $587.7 million at December 31, 2024, will be amortized over the average remaining life expectancy of the plan, which is approximately 23 years for the U.S. plans and 28 years for the U.K. plan, to the extent that it exceeds the 10 percent corridor, as described below. The unrecognized net actuarial gain of $21.2 million for our OPEB plan will be amortized over the average remaining life expectancy of the plan, estimated at 12 years, to the extent the gain is outside of the corridor. The corridor for the pension and OPEB plans is established based on the greater of 10 percent of the plan assets or 10 percent of the benefit obligation.  At December 31, 2024, $344.1 million of the actuarial loss was outside of the corridor for the U.S. plans and £61.1 million was outside of the corridor for the U.K. plan. At December 31, 2024, $14.0 million of the actuarial gain was outside of the corridor for the OPEB plan.

The amortization of the unrecognized actuarial gain or loss and the unrecognized prior service credit is a component of our net periodic benefit cost and equaled $16.3 million, $7.0 million, and $15.5 million in 2024, 2023, and 2022, respectively.

See Note 11 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.

Income Taxes

We provide for federal, state, and foreign income taxes currently payable, as well as those deferred due to temporary differences between the financial reporting and tax bases of assets and liabilities.  Our accounting for income taxes represents our best estimate of various events and transactions. The calculation of our tax liabilities involves dealing with uncertainties in the application of complex tax laws in a multitude of jurisdictions, both domestic and foreign.  The amount of income taxes we pay is subject to ongoing audits in various jurisdictions, and a material assessment by a governing tax authority could affect profitability.
 
We record a valuation allowance to reduce deferred tax assets to the amount that is more likely than not to be realized.  Significant judgment is required in determining valuation allowances. In evaluating the ability to recover deferred tax assets, we consider all available positive and negative evidence including past operating results, the existence of cumulative losses in the most recent years, forecasted earnings, future taxable income, and prudent and feasible tax planning strategies.  We consider our investment strategies when evaluating the ability to recover deferred tax assets on unrealized losses on investments. In the event we determine that we more likely than not will not be able to realize all or part of our deferred tax assets in the future, an increase to the valuation allowance is recorded in the period such determination is made.  Likewise, if it is later determined that it is more likely than not that those deferred tax assets will be realized, the previously provided valuation allowance is reversed.

In establishing a liability for unrecognized tax benefits, assumptions are made in determining whether, and to what extent, a tax position may be sustained. GAAP prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in income tax returns. The evaluation of a tax position is a two step process. The first step is to determine whether it is more likely than not that a tax position will be sustained upon examination based on the technical merits of the position. The second step is to measure a position that satisfies the recognition threshold at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate
54
settlement. Tax positions that previously failed to meet the more likely than not threshold but that now satisfy the recognition threshold are recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more likely than not recognition threshold are derecognized in the first subsequent financial reporting period in which that threshold is no longer met. If a previously recognized tax position is settled for an amount that is different from the amount initially measured, the difference will be recognized as a tax benefit or expense in the period the settlement is effective.

Changes in tax laws, tax regulations, or interpretations of such laws or regulations, could have an impact on our provision for income tax and our effective tax rate, which could significantly affect the amounts reported in our financial statements.

See "Regulation" contained herein in Item 1. See Note 9 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Contingent Liabilities

On a quarterly basis, we review relevant information with respect to litigation and contingencies to be reflected in our consolidated financial statements. An estimated loss is accrued when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. It is possible that our results of operations or cash flows in a particular period could be materially affected by an ultimate unfavorable outcome of pending litigation or regulatory matters depending, in part, on our results of operations or cash flows for the particular period.  See Note 16 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Accounting Developments

For information on new accounting standards and the impact, if any, on our financial position or results of operations, see Note 1 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.
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Consolidated Operating Results
(in millions of dollars)
 Year Ended December 31
 2024% Change2023% Change2022
Revenue
Premium Income$10,497.4 4.5 %$10,046.0 4.5 %$9,616.5 
Net Investment Income2,130.0 1.6 2,096.7 (1.2)2,122.2 
Net Investment Loss(34.6)(3.9)(36.0)129.3 (15.7)
Other Income294.5 5.5 279.2 6.9 261.1 
Total Revenue12,887.3 4.0 12,385.9 3.4 11,984.1 
Benefits and Expenses
Policy Benefits
7,480.2 2.3 7,311.9 (3.1)7,542.1 
Policy Benefits - Remeasurement Gain(562.3)N.M.(54.8)(90.0)(547.5)
Commissions1,258.6 7.6 1,170.1 7.7 1,086.4 
Interest and Debt Expense201.1 3.2 194.8 3.3 188.5 
Cost Related to Early Retirement of Debt— — — (100.0)4.2 
Deferral of Acquisition Costs(651.5)3.1 (632.2)13.5 (556.9)
Amortization of Deferred Acquisition Costs521.0 8.2 481.4 14.3 421.1 
Compensation Expense1,166.2 0.3 1,162.6 6.7 1,089.5 
Other Expenses1,222.7 10.0 1,112.0 10.5 1,006.7 
Total Benefits and Expenses10,636.0 (1.0)10,745.8 5.0 10,234.1 
Income Before Income Tax 2,251.3 37.3 1,640.1 (6.3)1,750.0 
Income Tax472.2 32.5 356.3 3.9 342.8 
Net Income$1,779.1 38.6 $1,283.8 (8.8)$1,407.2 
N.M. = not a meaningful percentage

Fluctuations in exchange rates, particularly between the British pound sterling and the U.S. dollar for our U.K. operations, have an effect on our consolidated financial results. In periods when the pound weakens relative to the preceding period, translating pounds into dollars decreases current period results relative to the prior period. In periods when the pound strengthens, translating pounds into dollars increases current period results relative to the prior period.

The weighted average pound/dollar exchange rate for our Unum UK line of business was 1.278, 1.243, and 1.221 for 2024, 2023, and 2022, respectively. If the 2023 and 2022 results for our U.K. operations had been translated at the 2024 weighted average exchange rate, our adjusted operating revenue would have been approximately $23 million higher and $28 million higher in 2023 and 2022, respectively. Additionally, our adjusted operating income would have been approximately $4 million higher and $6 million higher in 2023 and 2022, respectively. However, it is important to distinguish between translating and converting foreign currency. Except for a limited number of transactions, we do not actually convert pounds into dollars. As a result, we view foreign currency translation as a financial reporting item and not a reflection of operations or profitability in the U.K.

We reported year-over-year premium growth in 2024 and 2023 in each of our principal operating segments, primarily due to favorable persistency and higher overall sales. Premium income continues to decline, as expected, in our Closed Block segment.

Net investment income was higher in 2024, relative to 2023, due primarily to higher miscellaneous investment income, primarily related to larger increases in the NAV on our private equity partnerships and an increase in the level of invested assets, partially offset by lower investment income from inflation index-linked bonds held by Unum UK. Net investment
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income was lower in 2023, relative to 2022, due to lower miscellaneous investment income, primarily related to smaller increases in the NAV on our private equity partnerships, and lower investment income from inflation index-linked bonds held by Unum UK, partially offset by a higher level of invested assets and an increased yield on invested assets.

Our investment gains and losses on fixed maturity securities include net losses on sales of $38.2 million, $48.7 million and $26.5 million in 2024, 2023, and 2022, respectively. Credit and impairment losses on fixed maturity securities were $5.5 million, $2.2 million, and $4.6 million in 2024, 2023, and 2022, respectively. Credit and impairment losses on mortgage loans were $12.9 million, $0.9 million, and $1.0 million in 2024, 2023, and 2022, respectively. Also included in net investment gains and losses were changes in the fair value of an embedded derivative in a modified coinsurance arrangement, which resulted in gains of $13.0 million, $12.4 million, and $16.2 million in 2024, 2023, and 2022, respectively. The changes in the embedded derivative are primarily driven by movements in credit spreads in the modified coinsurance portfolio. See Notes 3 and 4 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.

Other income is primarily comprised of fee-based service products in the Unum US segment, which include leave management services and administrative services only business, and the underlying results and associated net investment income of certain assumed blocks of reinsured business in the Closed Block segment.

Overall benefits experience was favorable in 2024 relative to 2023 and 2022 with a consolidated benefit ratio of 65.9 percent in 2024, compared to 72.2 percent and 72.7 percent in 2023 and 2022, respectively. Excluding the impacts of the reserve assumption updates and non-contemporaneous reinsurance, the consolidated adjusted benefit ratios were 69.1 percent, 70.1 percent, and 74.9 percent in 2024, 2023, and 2022, respectively. For further discussion on the reserve assumption updates and non-contemporaneous reinsurance, see the "Executive Summary" contained herein in this Item 7 and Notes 1, 6 and 15 of the "Notes to Consolidated Financial Statements" contained herein in Item 8. The underlying benefits experience for each of our operating segments is discussed more fully in "Segment Results" contained herein in this Item 7.

Commissions and the deferral of acquisition costs were higher in 2024 compared to 2023 driven primarily by higher overall sales in our Unum US segment and higher prior period sales in our Colonial Life segment. The increase in the amortization of deferred acquisition costs in 2024 compared to 2023 is due primarily to growth in the level of the deferred asset in our Unum US supplemental and voluntary product lines, Colonial Life segment, and Unum US group disability product line and the impact of increased policyholder lapses in certain of our Unum US supplemental and voluntary product line. Commissions and the deferral of acquisition costs were higher in 2023 compared to 2022 driven primarily by higher overall sales and in-force block growth in our principal operating segments. The increase in the amortization of deferred acquisition costs in 2023 compared to 2022 is due primarily to growth in the level of the deferred asset and the impact of policyholder lapses in our Colonial Life segment and in our Unum US supplemental and voluntary product lines.

In 2022, cost related to early retirement of debt includes costs associated with the redemption of $350.0 million aggregate principal amount of our 4.000% senior notes due 2024 and costs related to the retirement of $14.0 million aggregate liquidation amount of the 7.405% capital securities due 2038 issued by Provident Financing Trust I (the Trust), which resulted in the reduction of a corresponding principal amount of our 7.405% junior subordinated debt securities due 2038 then held by the Trust. See Note 10 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further information.

We reported year-over-year increases in other expenses and compensation expenses, on a combined basis, in 2024 compared to 2023 due primarily to a loss from a legal settlement, an increase in operational investments in our business, and growth in our fee-based service products. Other expenses and compensation expenses, on a combined basis, increased in 2023 compared to 2022 due primarily to increases in employee-related costs, operational investments in our business, and growth in our fee-based service products, partially offset by a reduction in the amortization of the cost of reinsurance.

Our effective income tax rate for 2024 was 21.0 percent, compared to 21.7 percent in 2023 and 19.6 percent in 2022. Our 2024 and 2023 effective tax rates were generally consistent with the U.S. statutory rate. Our 2022 effective tax rate differed from the U.S. statutory rate due to the foreign tax rate differential. See Note 9 in the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion.
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Consolidated Sales Results
 
Shown below are sales results for our three principal operating segments.
(in millions)
Year Ended December 31
 2024% Change2023% Change2022
Unum US$1,367.0 6.5 %$1,283.8 15.1 %$1,115.3 
Unum International$186.9 9.4 %$170.9 27.8 %$133.7 
Colonial Life$532.2 (1.4)%$539.6 6.2 %$508.1 

Sales shown in the preceding chart generally represent the annualized premium income on new sales which we expect to receive and report as premium income during the next 12 months following or beginning in the initial quarter in which the sale is reported, depending on the effective date of the new sale. Sales do not correspond to premium income reported as revenue in accordance with GAAP. This is because new annualized sales premiums reflect current sales performance and what we expect to recognize as premium income over a 12 month period, while premium income reported in our financial statements is reported on an "as earned" basis rather than an annualized basis and also includes renewals and persistency of in-force policies written in prior years as well as current new sales.
Sales, persistency of the existing block of business, employment and salary growth, and the effectiveness of a renewal program are indicators of growth in premium income. Trends in new sales, as well as existing market share, also indicate the potential for growth in our respective markets and the level of market acceptance of price levels and new product offerings. Sales results may fluctuate significantly due to case size and timing of sales submissions.
See "Segment Results" as follows for a discussion of sales by segment.

Segment Results

Our reportable segments are comprised of the following: Unum US, Unum International, Colonial Life, Closed Block, and Corporate. Financial information for each of our reportable segments is as follows.

In describing our results, we may at times note certain items and exclude the impact on financial ratios and metrics to enhance the understanding and comparability of our operational performance and the underlying fundamentals, but this exclusion is not an indication that similar items may not recur. We also measure and analyze our segment performance on the basis of "adjusted operating revenue" and "adjusted operating income" or "adjusted operating loss", which differ from total revenue and income before income tax as presented in our consolidated statements of income due to the exclusion of investment gains and losses and certain other items. These performance measures are in accordance with GAAP guidance for segment reporting, but they should not be viewed as a substitute for total revenue, income before income tax, or net income.  See "Reconciliation of Non-GAAP Financial Measures" contained herein in this Item 7.

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Unum US Segment

The Unum US segment is comprised of the group disability, group life and accidental death and dismemberment, and supplemental and voluntary lines of business. The group disability line of business includes long-term and short-term disability, medical stop-loss, and fee-based service products. The supplemental and voluntary line of business includes voluntary benefits, individual disability, and dental and vision products. These products, excluding medical stop-loss which is no longer actively marketed as of the third quarter of 2024, are marketed through our field sales personnel who work in conjunction with independent brokers and consultants.

Unum US Operating Results

Shown below are financial results for the Unum US segment. In the sections following, financial results and key ratios are also presented for the major lines of business within the segment.
(in millions of dollars, except ratios)
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income$6,883.2 4.6 %$6,579.2 5.2 %$6,251.4 
Net Investment Income632.2 (1.2)639.9 (5.4)676.3 
Other Income235.9 7.0 220.5 12.3 196.3 
Total7,751.3 4.2 7,439.6 4.4 7,124.0 
Benefits and Expenses
Policy Benefits
4,246.5 0.6 4,221.2 (4.7)4,429.6 
Policy Benefits - Remeasurement Gain(381.8)(7.5)(412.7)(10.0)(458.7)
Commissions729.3 9.8 664.4 8.1 614.4 
Deferral of Acquisition Costs(320.9)2.0 (314.7)15.2 (273.1)
Amortization of Deferred Acquisition Costs292.5 9.3 267.6 11.1 240.9 
Other Expenses1,602.9 4.8 1,529.5 7.1 1,427.5 
Total6,168.5 3.6 5,955.3 (0.4)5,980.6 
Income Before Income Tax and Net Investment Gains and Losses1,582.8 6.6 1,484.3 29.8 1,143.4 
Reserve Assumption Updates(143.6)11.5 (128.8)(24.6)(170.8)
Adjusted Operating Income$1,439.2 6.2 $1,355.5 39.4 $972.6 
Operating Ratios (% of Premium Income):
Benefit Ratio1
58.2 %59.8 %66.3 %
Other Expense Ratio2
22.5 %22.5 %22.2 %
Income Ratio23.0 %22.6 %18.3 %
Adjusted Operating Income Ratio 20.9 %20.6 %15.6 %
1Excludes the reserve assumption updates that occurred during the third quarters of 2024, 2023, and 2022.
2Ratio of Other Expenses to Premium Income plus Unum US Group Disability Other Income, which is primarily related to fee-based services.


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Unum US Group Disability Operating Results

Shown below are financial results and key performance indicators for Unum US group disability.
(in millions of dollars, except ratios)
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Group Long-term Disability$2,086.1 1.4 %$2,057.2 7.6 %$1,911.7 
Group Short-term Disability1,084.0 7.1 1,012.3 9.3 926.3 
Total Premium Income3,170.1 3.3 3,069.5 8.2 2,838.0 
Net Investment Income311.2 (4.2)324.8 (7.0)349.1 
Other Income232.1 9.7 211.6 10.3 191.8 
Total3,713.4 3.0 3,605.9 6.7 3,378.9 
Benefits and Expenses
Policy Benefits
2,040.7 1.1 2,018.3 (5.8)2,142.8 
Policy Benefits - Remeasurement Gain(258.9)(20.4)(325.1)(9.8)(360.4)
Commissions244.4 6.0 230.5 9.1 211.3 
Deferral of Acquisition Costs(62.2)3.3 (60.2)13.4 (53.1)
Amortization of Deferred Acquisition Costs64.7 12.3 57.6 8.7 53.0 
Other Expenses973.5 4.0 936.1 8.6 862.3 
Total3,002.2 5.1 2,857.2 — 2,855.9 
Income Before Income Tax and Net Investment Gains and Losses711.2 (5.0)748.7 43.2 523.0 
Reserve Assumption Updates(90.0)(25.6)(121.0)— (121.0)
Adjusted Operating Income$621.2 (1.0)$627.7 56.1 $402.0 
Operating Ratios (% of Premium Income):
Benefit Ratio1
59.0 %59.1 %67.1 %
Other Expense Ratio2
28.6 %28.5 %28.5 %
Income Ratio22.4 %24.4 %18.4 %
Adjusted Operating Income Ratio19.6 %20.4 %14.2 %
Persistency:
Group Long-term Disability93.3 %90.8 %90.7 %
Group Short-term Disability91.7 %88.9 %88.9 %
1Excludes the reserve assumption updates that occurred during the third quarters of 2024, 2023, and 2022.
2Ratio of Other Expenses to Premium Income plus Other Income, which is primarily related to fee-based services.

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Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Premium income was higher compared to 2023, driven primarily by favorable persistency and higher sales, excluding medical stop-loss. Net investment income was lower compared to 2023 due to a decrease in the level of invested assets and lower miscellaneous investment income, partially offset by an increase in the yield on invested assets. Other income increased relative to 2023 due to growth in our fee-based service products.

The benefit ratio, excluding the impacts of the reserve assumption updates, was generally consistent compared to 2023 with favorable medical stop-loss benefits experience and favorable recoveries in the long-term disability product line, mostly offset by higher incidence in our long-term and short-term disability product lines.

Commissions and the deferral of acquisition costs were higher compared to 2023 due to higher sales, excluding medical stop-loss. The amortization of deferred acquisition costs was higher compared to 2023 due to growth in the level of the deferred asset. The other expense ratio, which includes other income that is primarily related to fee-based service products, was generally consistent compared to 2023.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Premium income was higher compared to 2022, driven primarily by in-force block growth and higher sales. Net investment income was lower compared to 2022 primarily due to a lower level of invested assets. Other income increased relative to 2022 due to growth in our fee-based service products.

The benefit ratio, excluding the impacts of the reserve assumption updates, was favorable compared to 2022 due primarily to lower claim incidence, favorable recoveries, and favorable discount rate impacts on new claims in our group long-term disability product line.

Commissions and the deferral of acquisition costs were higher compared to 2022 due primarily to in-force block growth and higher sales. The amortization of deferred acquisition costs was higher compared to 2022 due to growth in the level of the deferred asset. The other expense ratio was consistent compared to 2022.
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Unum US Group Life and Accidental Death and Dismemberment Operating Results

Shown below are financial results and key performance indicators for Unum US group life and accidental death and dismemberment.
(in millions of dollars, except ratios) 
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Group Life$1,784.7 6.3 %$1,679.0 0.6 %$1,669.1 
Accidental Death & Dismemberment186.1 6.0 175.5 1.0 173.7 
Total Premium Income1,970.8 6.3 1,854.5 0.6 1,842.8 
Net Investment Income88.3 (2.0)90.1 (10.2)100.3 
Other Income1.5 50.0 1.0 (37.5)1.6 
Total2,060.6 5.9 1,945.6 — 1,944.7 
Benefits and Expenses
Policy Benefits
1,360.4 (1.8)1,384.8 (6.7)1,484.2 
Policy Benefits - Remeasurement Gain(66.2)78.4 (37.1)(45.7)(68.3)
Commissions168.0 7.8 155.9 3.7 150.4 
Deferral of Acquisition Costs(40.6)5.2 (38.6)3.5 (37.3)
Amortization of Deferred Acquisition Costs38.4 (1.5)39.0 (6.9)41.9 
Other Expenses243.0 5.7 229.9 (0.5)231.1 
Total1,703.0 (1.8)1,733.9 (3.8)1,802.0 
Income Before Income Tax and Net Investment Gains and Losses357.6 68.9 211.7 48.4 142.7 
Reserve Assumption Update(13.0)(100.0)— 100.0 (34.0)
Adjusted Operating Income$344.6 62.8 $211.7 94.8 $108.7 
Operating Ratios (% of Premium Income):
Benefit Ratio1
66.3 %72.7 %78.7 %
Other Expense Ratio12.3 %12.4 %12.5 %
Income Ratio
18.1 %7.7 %
Adjusted Operating Income Ratio
17.5 %11.4 %5.9 %
Persistency:
Group Life92.0 %89.6 %88.9 %
Accidental Death & Dismemberment91.2 %88.7 %87.9 %
1Excludes the reserve assumption update that occurred during the third quarters of 2024 and 2022.

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Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Premium income was higher compared to 2023 driven primarily by favorable persistency and higher sales. Net investment income was lower compared to 2023 due to a decrease in the level of invested assets partially offset by an increase in the yield on invested assets.

The benefit ratio, excluding the impact of the reserve assumption update in 2024, was favorable compared to 2023 due to lower mortality across all product lines.

Commissions and the deferral of acquisition costs were higher compared to 2023 due primarily to higher sales. The amortization of deferred acquisition costs was generally consistent compared to 2023. The other expense ratio was consistent compared to 2023.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Premium income was higher compared to 2022 due primarily to higher sales and favorable persistency. Net investment income was lower compared to 2022 due to a decrease in the level of invested assets and lower miscellaneous investment income, partially offset by an increase in the yield on invested assets.

The benefit ratio, excluding the impact of the reserve assumption update in 2022, was favorable compared to 2022 due primarily to lower mortality, resulting primarily from lessening impacts of COVID-19 on our insured population.

Commissions were higher compared to 2022 due primarily to higher sales. The deferral of acquisition costs and the amortization of deferred acquisition costs were generally consistent compared to 2022. The other expense ratio was generally consistent compared to 2022.



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Unum US Supplemental and Voluntary Operating Results

Shown below are financial results and key performance indicators for Unum US supplemental and voluntary product lines.
(in millions of dollars, except ratios)
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Voluntary Benefits$879.2 3.4 %$850.1 2.0 %$833.7 
Individual Disability566.0 7.4 527.0 14.3 461.1 
Dental and Vision297.1 6.8 278.1 0.8 275.8 
Total Premium Income1,742.3 5.3 1,655.2 5.4 1,570.6 
Net Investment Income232.7 3.4 225.0 (0.8)226.9 
Other Income2.3 (70.9)7.9 172.4 2.9 
Total1,977.3 4.7 1,888.1 4.9 1,800.4 
Benefits and Expenses
Policy Benefits
845.4 3.3 818.1 1.9 802.6 
Policy Benefits - Remeasurement Gain
(56.7)12.3 (50.5)68.3 (30.0)
Commissions316.9 14.0 278.0 10.0 252.7 
Deferral of Acquisition Costs(218.1)1.0 (215.9)18.2 (182.7)
Amortization of Deferred Acquisition Costs189.4 10.8 171.0 17.1 146.0 
Other Expenses386.4 6.3 363.5 8.8 334.1 
Total1,463.3 7.3 1,364.2 3.1 1,322.7 
Income Before Income Tax and Net Investment Gains and Losses514.0 (1.9)523.9 9.7 477.7 
Reserve Assumption Updates - Voluntary Benefits12.2 N.M.(10.4)(38.8)(17.0)
Reserve Assumption Updates - Individual Disability(52.8)N.M.2.6 116.7 1.2 
Adjusted Operating Income$473.4 (8.3)$516.1 11.7 $461.9 
Operating Ratios (% of Premium Income):
Benefit Ratios:
Voluntary Benefits1
43.0 %39.8 %43.6 %
Individual Disability1
41.0 %44.3 %49.3 %
Dental and Vision73.9 %73.1 %71.6 %
Other Expense Ratio22.2 %22.0 %21.3 %
Income Ratio
29.5 %31.7 %30.4 %
Adjusted Operating Income Ratio27.2 %31.2 %29.4 %
Persistency:
Voluntary Benefits76.0 %75.5 %75.8 %
Individual Disability89.0 %89.0 %89.5 %
Dental and Vision81.4 %77.1 %79.9 %
1Excludes the reserve assumption updates that occurred during the third quarters of 2024, 2023, and 2022.
N.M. = not a meaningful percentage
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Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Premium income was higher compared to 2023 due to favorable persistency and higher sales in the voluntary benefits and dental and vision product lines. Also impacting the comparison was the impacts from the partial recapture of a previously ceded block of business in the individual disability product line in the third quarter of 2023. Net investment income was higher compared to 2023 primarily due to an increase in the yield on invested assets. Other income was lower compared to 2023, due primarily to a prior year net gain on the partial recapture of a previously ceded block of business in the individual disability product line in the third quarter of 2023.

The benefit ratio for voluntary benefits, excluding the impacts of the reserve assumption updates, was unfavorable compared to 2023 due primarily to unfavorable benefit experience in the accident, critical illness, and hospital indemnity products. The benefit ratio for the individual disability product line, excluding the impacts of the reserve assumption updates, was favorable compared to 2023 due primarily to favorable recoveries, partially offset by higher claim size. The benefit ratio for the dental and vision product line was unfavorable compared to 2023 due primarily to higher claims incidence and higher average claim size.

Commissions and the deferral of acquisition costs were higher compared to 2023 due primarily to higher sales in the voluntary benefits product line. Commissions were also higher compared to 2023 due to the continued impacts from the partial recapture of a previously ceded block of business in the individual disability product line in the third quarter of 2023. The amortization of deferred acquisition costs was higher compared to 2023 due primarily to the increased lapses in certain older voluntary benefits products and growth in the level of the deferred asset in all product lines. The other expense ratio was generally consistent compared to 2023.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Premium income was higher compared to 2022 due primarily to higher sales across all product lines as well as the partial recapture of a previously ceded block of business in the individual disability product line, partially offset by lower persistency across all product lines. Net investment income was generally consistent compared to 2022 with a decline in the yield on invested assets and lower miscellaneous investment income, mostly offset by an increase in the level of invested assets. Other income was higher compared to 2022 due primarily to a net gain on the partial recapture of a previously ceded block of business in the individual disability product line.

The benefit ratio for voluntary benefits, excluding the impacts of the reserve assumption updates, was favorable compared to 2022 due primarily to the impact of policyholder lapses in our disability products and lower mortality in our life products. The benefit ratio for the individual disability product line, excluding the impacts of the reserve assumption updates, was favorable compared to 2022 due primarily to higher mortality and lower claims incidence. The benefit ratio for the dental and vision product line was unfavorable compared to 2022 due primarily to higher claims incidence.

Commissions and the deferral of acquisition costs were higher compared to 2022 due primarily to higher sales in the individual disability and voluntary benefits product lines. The amortization of deferred acquisition costs was higher compared to 2022 due to growth in the level of the deferred asset and the impact of the policyholder lapses in the voluntary benefits product line. The other expense ratio increased compared to 2022 due primarily to an increase in employee-related costs and an increase in operational investments in our business.


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Sales
(in millions of dollars)
 Year Ended December 31
 2024% Change2023% Change2022
Sales by Product
Group Disability and Group Life and AD&D
Group Long-term Disability$298.3 1.9 %$292.7 (0.9)%$295.3 
Group Short-term Disability216.5 (5.7)229.5 24.5 184.3 
Group Life and AD&D361.5 18.4 305.4 31.4 232.4 
Subtotal876.3 5.9 827.6 16.2 712.0 
Supplemental and Voluntary
Voluntary Benefits293.7 11.6 263.2 10.3 238.7 
Individual Disability101.7 (6.6)108.919.9 90.8
Dental and Vision95.3 13.3 84.1 14.0 73.8 
Subtotal490.7 7.6 456.2 13.1 403.3 
Total Sales$1,367.0 6.5 $1,283.8 15.1 $1,115.3 
Sales by Market Sector
Group Disability and Group Life and AD&D
Core Market (< 2,000 employees)$512.6 (1.7)%$521.3 13.9 %$457.5 
Large Case Market363.7 18.7 306.3 20.4 254.5 
Subtotal876.3 5.9 827.6 16.2 712.0 
Supplemental and Voluntary490.7 7.6 456.2 13.1 403.3 
Total Sales$1,367.0 6.5 $1,283.8 15.1 $1,115.3 

Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Group sales increased compared to 2023 primarily due to higher sales to new customers in both the large case market and the core market, which we define as employee groups with fewer than 2,000 employees, partially offset by the decline in sales of our medical stop-loss product, which was no longer actively marketed as of the third quarter of 2024. The sales mix in the group market sector for 2024 was approximately 58 percent core market and 42 percent large case market.

Voluntary benefits sales increased compared to 2023 primarily due to higher sales to new customers in both the large case and the core market. Individual disability sales, which are primarily concentrated in the multi-life market, decreased compared to 2023 due to lower sales to new customers, partially offset by higher sales to existing customers. Dental and vision sales increased compared to 2023 driven by higher sales to new and existing customers.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Group sales increased compared to 2022 primarily due to higher sales to new customers in both the large case market and the core market. The sales mix in the group market sector for 2023 was approximately 63 percent core market and 37 percent large case market.

Voluntary benefits sales increased compared to 2022 due to higher sales to new and existing customers in both the large case and core markets. Individual disability sales increased compared to 2022 due to higher sales to both new and existing customers. Dental and vision sales increased compared to 2022 driven by higher sales to new customers.


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Goodwill

We had total goodwill of $280.0 million for the Unum US segment at December 31, 2024, none of which is currently believed to be at risk for future impairment.

Segment Outlook

We remain committed to offering consumers a broad set of financial protection benefit products at the worksite. During 2025, we will continue to invest in a unique customer experience defined by simplicity, empathy, and deep industry expertise through the increased utilization of digital capabilities and technology to enhance enrollment, underwriting, the client administration experience, and claims processing. In addition, we will focus on strategically driven sales by enhancing the connectivity, alignment, and support for brokers and technology partners, including integration with human capital management systems. With respect to smaller employers, we will continue to provide a comprehensive set of consumer-focused products, enhance our distribution model, and utilize our digital tools to bring industry leading enrollment capabilities and a fully integrated customer experience. Our differentiated offerings and market leading leave management services provide substantial growth opportunities, particularly with larger employers, and stronger persistency in our core products. We believe our active client management, integrated customer experience across our product lines, and strong risk management, will enable us to continue to grow our market over the long-term.

We expect strong adjusted operating income in 2025 with continued sales and premium growth. We expect the group disability market to remain competitive which may impact our pricing and renewal premium levels. We expect favorable group disability claim experience to continue in 2025, driven by strong operational performance. We also expect group life claim experience to be mostly stable but may experience some quarterly claims volatility. We expect a decline in our supplemental and voluntary line of business adjusted operating income as a result of the reinsurance transaction with Fortitude Re. We expect a slight increase in our operating expense ratio as we continue to invest in our people and capabilities.

A rising interest rate environment could positively impact our yields on new investments but could also increase unrealized losses in our current holdings. Alternatively, a declining interest rate environment could negatively impact yields on new investments but could also reduce unrealized losses in our current holdings. Our net investment income may continue to be impacted by volatility in miscellaneous investment income.

As part of our discipline in pricing and reserving, we continuously monitor emerging claim trends and interest rates. We will continue to take appropriate pricing actions on new business and renewals that are reflective of the current environment.

We continuously monitor key indicators to assess our risks and adjust our business plans accordingly.

As previously discussed, we anticipate entering into a reinsurance agreement with Fortitude Re to cede a portion of our individual disability business during 2025. For further discussion, see “Executive Summary" contained herein in Item 7 and Note 14 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.
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Unum International Segment

The Unum International segment is comprised of our operations in both the United Kingdom and Poland. Our Unum UK products include insurance for group long-term disability, group life, and supplemental lines of business, which includes dental, critical illness, and individual disability products. Our Unum Poland products include insurance for individual and group life with accident and health riders. Unum International's products are sold primarily through field sales personnel and independent brokers and consultants.

Operating Results

Shown below are financial results and key performance indicators for the Unum International segment.
(in millions of dollars, except ratios)
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Unum UK
Group Long-term Disability$418.0 5.5 %$396.1 5.1 %$376.9 
Group Life211.3 24.8 169.3 22.5 138.2 
Supplemental165.6 17.0 141.5 24.1 114.0 
Unum Poland154.6 30.7 118.3 31.989.7 
Total Premium Income949.5 15.1 825.2 14.8 718.8 
Net Investment Income128.8 (6.1)137.2 (19.3)170.1 
Other Income1.6 — 1.6 77.8 0.9 
Total1,079.9 12.0 964.0 8.3 889.8 
Benefits and Expenses
Policy Benefits
693.6 19.3 581.4 11.5 521.6 
Policy Benefits - Remeasurement Loss (Gain)(36.9)N.M.(1.6)(105.7)28.0 
Commissions82.5 13.8 72.5 28.8 56.3 
Deferral of Acquisition Costs(17.8)21.9 (14.6)21.7 (12.0)
Amortization of Deferred Acquisition Costs9.5 13.1 8.4 2.4 8.2 
Other Expenses198.7 11.8 177.7 21.6 146.1 
Total929.6 12.8 823.8 10.1 748.2 
Income Before Income Tax and Net Investment Gains and Losses150.3 7.2 140.2 (1.0)141.6 
Reserve Assumption Updates7.5 (58.1)17.9 N.M.(7.6)
Adjusted Operating Income$157.8 (0.2)$158.1 18.0 $134.0 
N.M. = not a meaningful percentage

Foreign Currency Translation

The functional currencies of Unum UK and Unum Poland are the British pound sterling and Polish zloty, respectively. Premium income, net investment income, claims, and expenses are received or paid in the functional currency, and we hold functional currency-denominated assets to support functional currency-denominated policy liabilities. We translate functional currency-denominated financial statement items into dollars for our consolidated financial reporting. We translate income statement items using an average exchange rate for the reporting period, and we translate balance sheet items using the exchange rate at the end of the period. We report unrealized foreign currency translation gains and losses in accumulated other comprehensive income (loss) in our consolidated balance sheets.
 
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Fluctuations in exchange rates impact Unum International's reported financial results and our consolidated financial results. In periods when the functional currency strengthens relative to the preceding period, translation increases current period results relative to the prior period. In periods when the functional currency weakens, translation decreases current period results relative to the prior period.


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Unum UK Operating Results

Shown below are financial results and key performance indicators for the Unum UK product lines in functional currency.
(in millions of pounds, except ratios)
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Group Long-term Disability£327.0 2.7 %£318.5 4.6 %£304.6 
Group Life165.1 21.3 136.1 21.2 112.3 
Supplemental129.5 13.9 113.7 23.2 92.3 
Total Premium Income621.6 9.4 568.3 11.6 509.2 
Net Investment Income91.9 (10.3)102.4 (22.4)131.9 
Other Income0.1 (50.0)0.2 100.0 0.1 
Total713.6 6.4 670.9 4.6 641.2 
Benefits and Expenses
Policy Benefits
469.6 14.6 409.8 8.8 376.5 
Policy Benefits - Remeasurement Loss (Gain)(29.4)N.M(1.3)(105.9)21.9 
Commissions38.2 2.1 37.4 17.6 31.8 
Deferral of Acquisition Costs(3.8)(2.6)(3.9)(7.1)(4.2)
Amortization of Deferred Acquisition Costs5.2 — 5.2 (1.9)5.3 
Other Expenses122.4 6.1 115.4 20.7 95.6 
Total602.2 7.0 562.6 6.8 526.9 
Income Before Income Tax and Net Investment Gains and Losses111.4 2.9 108.3 (5.2)114.3 
Reserve Assumption Updates6.4 (60.7)16.3 N.M(5.3)
Adjusted Operating Income£117.8 (5.5)£124.6 14.3 £109.0 
Weighted Average Pound/Dollar Exchange Rate1.278 1.243 1.221 
Operating Ratios (% of Premium Income):
Benefit Ratio1
69.8 %69.0 %79.3 %
Other Expense Ratio19.7 %20.3 %18.8 %
Income Ratio
17.9 %19.1 %22.4 %
Adjusted Operating Income Ratio19.0 %21.9 %21.4 %
Persistency:
Group Long-term Disability92.0 %92.5 %85.1 %
Group Life89.1 %83.0 %87.9 %
Supplemental90.4 %91.7 %92.8 %
1Excludes the reserve assumption updates that occurred during the third quarters of 2024, 2023, and 2022.
N.M. = not a meaningful percentage

70
Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Premium income was higher compared to 2023 primarily due to in-force block growth.

Net investment income was lower in 2024 compared to 2023 due to lower investment income from inflation index-linked bonds, partially offset by an increase in the yield on invested assets. Our investments in inflation index-linked bonds support the claim liabilities associated with certain group policies that provide for inflation-linked increases in policy benefits. The change in net investment income attributable to these index-linked bonds is partially offset by a change in policy benefits related to the inflation index-linked group long-term disability and group life policies.

The benefit ratio, excluding the impacts of the reserve assumption updates, was unfavorable relative to 2023 due to unfavorable claim incidence in the group life and group long-term disability product lines, partially offset by favorable claim recoveries in group long-term disability and favorable claim incidence in the supplemental product line.

Commissions increased relative to 2023 due primarily to in-force block growth. The deferral of acquisition costs and the amortization of deferred acquisition costs were generally consistent relative to 2023. The other expense ratio was favorable relative to 2023 due to our focus on expense management and operating efficiencies.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Premium income was higher compared to 2022 primarily due to in-force block growth and sales growth in the group life and supplemental product lines.

Net investment income was lower compared to 2022 due to lower investment income from inflation index-linked bonds.

The benefit ratio, excluding the impacts of the reserve assumption updates, was favorable relative to 2022 due to favorable claim incidence, favorable claim resolution, higher discount rates on new claims in the group long-term disability product line, and lower inflation-linked experience in benefits. This favorability was partially offset by higher incidence in the supplemental product line and higher mortality in the group life product line.

Commissions increased relative to 2022 due primarily to in-force block growth and higher sales. The deferral of acquisition costs and the amortization of deferred acquisition costs were generally consistent relative to 2022. The other expense ratio was higher relative to 2022 due to an increase in employee-related costs and operational investments in the business.
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Sales
(in millions of dollars and pounds)
Year Ended December 31
 2024% Change2023% Change2022
Unum International Sales by Product
Unum UK
Group Long-term Disability$47.3 (2.1)%$48.3 11.5 %$43.3 
Group Life68.3 11.2 61.4 10.6 55.5 
Supplemental34.9 24.6 28.0 63.7 17.1 
Unum Poland36.4 9.6 33.2 86.517.8 
Total Sales$186.9 9.4 $170.9 27.8 $133.7 
Unum International Sales by Market Sector
Unum UK
Group Long-term Disability and Group Life
Core Market (< 500 employees)$41.8 (18.4)%$51.2 19.9 %$42.7 
Large Case Market73.8 26.2 58.5 4.3 56.1 
Subtotal115.6 5.4 109.7 11.0 98.8 
Supplemental34.9 24.6 28.0 63.7 17.1 
Unum Poland36.4 9.6 33.2 86.517.8 
Total Sales$186.9 9.4 $170.9 27.8 $133.7 
Unum UK Sales by Product
Group Long-term Disability£37.2 (4.1)%£38.8 12.5 %£34.5 
Group Life53.4 8.1 49.4 8.8 45.4 
Supplemental27.5 21.7 22.6 67.4 13.5 
Total Sales£118.1 6.6 £110.8 18.6 £93.4 
Unum UK Sales by Market Sector
Group Long-term Disability and Group Life
Core Market (< 500 employees)£32.8 (20.4)%£41.2 19.8 %£34.4 
Large Case Market57.8 23.0 47.0 3.3 45.5 
Subtotal90.6 2.7 88.2 10.4 79.9 
Supplemental27.5 21.7 22.6 67.4 13.5 
Total Sales£118.1 6.6 £110.8 18.6 £93.4 

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The following discussion of sales results relates only to our Unum UK product lines and is based on functional currency.

Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Group long-term disability sales decreased compared to 2023 driven by lower sales to new and existing customers in the core market, which we define as employee groups with fewer than 500 employees, partially offset by an increase in sales to new and existing customers in the large case market.

Group life sales increased compared to 2023 driven by higher sales to new customers in the large case market.

Supplemental sales increased compared to 2023 due primarily to higher sales in the dental product line, partially offset by a decrease in sales in the group critical illness product line.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Group long-term disability sales increased compared to 2022 driven by higher sales to new customers in the core market, and higher sales to new and existing customers in the large case market.

Group life sales increased compared to 2022 driven by higher sales to new and existing customers in the core market, and higher sales to existing customers in the large case market.

Supplemental sales increased compared to 2022 due primarily to higher sales in the group critical illness and dental product lines.

Goodwill

We had total goodwill of $41.4 million for the Unum International segment at December 31, 2024, of which, $36.8 million is attributed to the Unum UK reporting unit and $4.6 million is attributed to the Unum Poland reporting unit, none of which is currently believed to be at risk for future impairment.

Segment Outlook

We are committed to driving growth in the Unum International segment and will build on the capabilities that we believe will generate growth and profitability in our businesses over the long term. In 2025, we will focus on scaling our business and broadening our product portfolio. For our Unum UK line of business, we will continue to focus on delivering a best in class health and wellbeing service to improve retention of our key customers and drive growth across our product offerings. We will also accelerate premium growth by focusing on both the broker experience and customer engagement, while maintaining our disciplined approach to pricing. Within our Unum Poland line of business, we will drive growth by continuing to expand our existing distribution channels. We will also continue to invest in digital capabilities, technology, and product enhancements which we believe will drive sustainable growth over the long term.

In 2025, we expect growth in adjusted operating income with continued sales and premium growth. Lower inflation is expected to lead to more stability in net investment income and the benefit ratio. We continuously monitor key indicators to assess our risks and adjust our business plans accordingly.


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Colonial Life Segment

The Colonial Life segment includes insurance for accident, sickness, and disability products, which includes dental and vision products, life products, and cancer and critical illness products. These products are marketed to employees, on both a group and an individual basis, at the workplace through an independent contractor agent sales force and brokers.
Operating Results
Shown below are financial results and key performance indicators for the Colonial Life segment.
(in millions of dollars, except ratios)  
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Accident, Sickness, and Disability$969.5 2.5 %$946.1 (0.3)%$948.9 
Life458.0 7.4 426.5 6.3 401.1 
Cancer and Critical Illness356.4 0.8 353.5 0.4 352.0 
Total Premium Income1,783.9 3.3 1,726.1 1.4 1,702.0 
Net Investment Income161.5 5.2 153.5 0.5 152.7 
Other Income4.0 N.M.1.2 9.1 1.1 
Total1,949.4 3.6 1,880.8 1.3 1,855.8 
Benefits and Expenses
Policy Benefits
885.4 0.9 877.1 (5.3)926.6 
Policy Benefits - Remeasurement Gain
(80.7)2.2 (79.0)(21.4)(100.5)
Commissions378.4 5.3 359.4 5.7 340.0 
Deferral of Acquisition Costs(312.8)3.3 (302.9)11.4 (271.8)
Amortization of Deferred Acquisition Costs219.0 6.6 205.4 19.4 172.0 
Other Expenses347.4 2.2 340.0 5.8 321.4 
Total1,436.7 2.6 1,400.0 0.9 1,387.7 
Income Before Income Tax and Net Investment Gains and Losses512.7 6.6 480.8 2.7 468.1 
Reserve Assumption Updates(46.0)(43.0)(80.7)46.2 (55.2)
Adjusted Operating Income$466.7 16.6 $400.1 (3.1)$412.9 
Operating Ratios (% of Premium Income):
Benefit Ratio1
47.7 %50.9 %51.8 %
Other Expense Ratio19.5 %19.7 %18.9 %
Income Ratio28.7 %27.9 %27.5 %
Adjusted Operating Income Ratio 26.2 %23.2 %24.3 %
Persistency:
Accident, Sickness, and Disability73.7 %73.6 %73.3 %
Life84.4 %85.1 %84.5 %
Cancer and Critical Illness82.2 %82.4 %82.3 %
1Excludes the reserve assumption updates that occurred during the third quarters of 2024, 2023, and 2022.
N.M. = not a meaningful percentage
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Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Premium income was favorable compared to 2023 due to higher prior period sales and generally stable persistency. Net investment income was higher in 2024 compared to 2023 due primarily an increase in the yield on invested assets as well as an increase in the level of invested assets.

The benefit ratio, excluding the impacts of the reserve assumption updates, was favorable relative to 2023 due primarily to favorable benefit experience in all product lines.

Commissions and the deferral of acquisition costs were higher compared to 2023 due to higher prior period sales. The amortization of deferred acquisition costs was higher compared to 2023 primarily due to growth in the level of the deferred asset. The other expense ratio was favorable relative to 2023 due to our focus on expense management and operating efficiencies.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Premium income was favorable compared to 2022 due to higher prior period sales, particularly in the life product line, and favorable persistency. Net investment income was generally consistent in 2023 compared to 2022 with an increase in the level of invested assets and an increase in the yield on invested assets, mostly offset by lower miscellaneous investment income.

The benefit ratio, excluding the impacts of the reserve assumption updates, was favorable relative to 2022 due primarily to lower claim costs in the cancer and critical illness product line and favorable mortality experience as a result of lessening impacts of COVID-19 on our insured population in the life product line, partially offset by an increase in reserves due to model refinements in the life product line.

Commissions and the deferral of acquisition costs were higher compared to 2022 due to higher prior period sales. The amortization of deferred acquisition costs was higher compared to 2022 primarily due to growth in the level of the deferred asset and the impact of the policyholder lapses. The other expense ratio was higher relative to 2022 due primarily to an increase in employee-related costs and an increase in operational investments in our business.

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Sales
(in millions of dollars)
 Year Ended December 31
 2024% Change2023% Change2022
Sales by Product
Accident, Sickness, and Disability$326.3 (1.0)%$329.5 6.1 %$310.6 
Life127.9 (3.2)132.1 8.7 121.5 
Cancer and Critical Illness78.0 — 78.0 2.6 76.0 
Total Sales$532.2 (1.4)$539.6 6.2 $508.1 
Sales by Market Sector
Commercial Sector
Core Market (< 1,000 employees)$331.9 (4.5)%$347.4 4.5 %$332.4 
Large Case Market65.1 4.5 62.3 7.2 58.1 
Subtotal 397.0 (3.1)409.7 4.9 390.5 
Public Sector135.2 4.1 129.9 10.5 117.6 
Total Sales$532.2 (1.4)$539.6 6.2 $508.1 

Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

During 2024, we saw a decrease in sales in our accident, sickness and disability and life product lines relative to 2023, while sales in our cancer and critical illness product line remained consistent. Commercial sector sales decreased compared to 2023 driven by lower sales to new and existing customers in the core market, which we define as accounts with fewer than 1,000 employees, partially offset by higher sales to new and existing customers in the large case market. Public sector sales increased compared to 2023 due to higher sales to new customers.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

During 2023, we saw an increase in sales for each of our product lines relative to 2022. Commercial sector sales increased compared to 2022 driven by higher sales to new and existing customers in both the core and large case markets. Public sector sales increased compared to 2022 due to higher sales to existing customers.

Goodwill

We had goodwill of $27.7 million at December 31, 2024, none of which is currently believed to be at risk for future impairment.

Segment Outlook

We remain committed to providing employees and their families with simple, modern, and personal benefit solutions. During 2025, we will continue to utilize our strong distribution system of independent agents, benefit counselors and broker partnerships. We will also continue to invest in solutions and digital capabilities to expand our reach and effectiveness, driving growth and improving productivity while enhancing the customer experience. In 2025, we will continue to bring an enhanced engagement and enrollment platform to market, enabling deeper connections with employees through the enrollment process as well as maintaining stronger relationships throughout the customer lifecycle. We believe our distribution system, customer service capabilities, digital and virtual tools, and ability to serve all market sizes position us well for future growth.

In 2025, we expect growth in adjusted operating income for the full year with strong sales growth, continued premium growth and stable claim experience. We continuously monitor key indicators to assess our risks and adjust our business plans accordingly.
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Closed Block Segment

The Closed Block segment consists of group and individual long-term care and other insurance products no longer actively marketed. We discontinued offering individual long-term care in 2009 and group long-term care in 2012. Other insurance products include individual disability, group pension, individual life and corporate-owned life insurance, reinsurance pools and management operations, and other miscellaneous product lines.

Operating Results

Shown below are financial results and key performance indicators for the Closed Block segment.
(in millions of dollars, except ratios)  
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Premium Income
Long-term Care $696.1 — %$696.0 (0.2)%$697.4 
All Other184.7 (15.9)219.5 (11.1)246.9 
Total Premium Income880.8 (3.8)915.5 (3.0)944.3 
Net Investment Income1,148.9 7.7 1,066.3 (0.4)1,070.6 
Other Income51.7 (1.7)52.6 (9.3)58.0 
Total2,081.4 2.3 2,034.4 (1.9)2,072.9 
Benefits and Expenses
Policy Benefits
1,654.7 1.4 1,632.2 (1.9)1,664.3 
Policy Benefits - Remeasurement Loss (Gain)(62.9)(114.3)438.5 N.M.(16.3)
Commissions68.4 (7.3)73.8 (2.5)75.7 
Other Expenses174.6 1.1 172.7 0.2 172.3 
Total1,834.8 (20.8)2,317.2 22.2 1,896.0 
Income (Loss) Before Income Tax and Net Investment Gains and Losses246.6 187.2 (282.8)N.M.176.9 
Amortization of the Cost of Reinsurance41.4 (6.1)44.1 (12.3)50.3 
Non-Contemporaneous Reinsurance25.1 (27.9)34.8 1.2 34.4 
Reserve Assumption Updates - Long-term Care(174.1)(147.3)368.1 N.M.(2.9)
Reserve Assumption Updates - All Other(1.2)N.M.0.7 110.3 (6.8)
Adjusted Operating Income$137.8 (16.4)$164.9 (34.5)$251.9 
Long-term Care Net Premium Ratio94.6 %93.5 %85.1 %
Operating Ratios (% of Premium Income):
Other Expense Ratio1
15.1 %14.0 %12.9 %
Income (Loss) Ratio
28.0 %(30.9)%18.7 %
Adjusted Operating Income Ratio 15.6 %18.0 %26.7 %
Long-term Care Persistency95.8 %95.6 %95.7 %
1Excludes amortization of the cost of reinsurance.
N.M. = not a meaningful percentage


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Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Premium income for long-term care was generally consistent with 2023. Premium income for our all other product line continues to decline as expected due to policyholder lapses.

Net investment income was higher relative to 2023 due to an increase in the level of invested assets and higher miscellaneous investment income, primarily related to larger increases in the NAV on our private equity partnerships.

Other income primarily includes the underlying results and associated net investment income of certain assumed blocks of business.

Policy benefits including remeasurement loss (gain), excluding the impacts of the reserve assumption updates and non-contemporaneous reinsurance, were higher in 2024 relative to 2023 driven primarily by the increase in the current period benefit expense resulting from the higher net premium ratio and the impact of capped cohorts in the long-term care product line. The net premium ratio for long-term care increased to 94.6 percent at December 31, 2024 from 93.5 percent at December 31, 2023 due primarily to policyholder terminations and the assumption updates in the third quarter of 2024.

The other expense ratio, excluding the amortization of the cost of reinsurance, was higher than 2023 due primarily to an increase in employee related costs, operational investments in our business and a decline in expense allowances related to the ceded block of individual disability business.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Premium income for long-term care was generally consistent with 2022. Premium income for our all other product line continues to decline as expected due to policyholder lapses.

Net investment income was generally consistent with 2022 primarily due to lower miscellaneous investment income, partially related to smaller increases in the NAV on our private equity partnerships, and a decline in the yield on invested assets, partially offset by an increase in the level of invested assets.

Policy benefits including remeasurement loss (gain), excluding the impacts of the reserve assumption updates and non-contemporaneous reinsurance, were higher in 2023 relative to 2022 driven primarily by the increase in the current period benefit expense in the long-term care product line due to higher claim incidence and a higher net premium ratio resulting from the reserve assumption updates in the third quarter of 2023. The net premium ratio for long-term care increased to 93.5 percent at December 31, 2023 from 85.1 percent at December 31, 2022 due primarily to the impacts of the reserve assumption update in the third quarter of 2023 and higher claim incidence.

The other expense ratio, excluding the amortization of the cost of reinsurance, was higher than 2022 due primarily to a decline in expense allowances related to the ceded block of individual disability business and an increase in employee-related costs.

Individual Disability Reinsurance Transaction

As shown in the chart above, we exclude from income before income tax and net investment gains and losses, the amortization of the cost of reinsurance and the impact of non-contemporaneous reinsurance related to the Closed Block individual disability reinsurance transaction, where we ceded a significant portion of this business. The cost of reinsurance continues to be amortized over a remaining period of approximately 21 years, on a declining trajectory generally consistent with the expected run-off pattern of the ceded reserves. As a result of the execution of the second phase of the reinsurance transaction occurring after January 1, 2021, the transition date of ASU 2018-12, in accordance with the provisions of the ASU related to non-contemporaneous reinsurance, we were required to establish the ceded reserves using an upper-medium grade fixed-income instrument as of the reinsurance transaction date in March 2021 which resulted in higher ceded reserves compared to that which was reported historically. However, the direct reserves for the block reinsured in the second phase were calculated using the original discount rate utilized as of the transition date. Both the direct and ceded reserves are then remeasured at each reporting period using a current discount rate reflective of an upper-medium grade fixed-income instrument, with the changes recognized in OCI. While the total equity impact is neutral, the different original discount rates utilized for direct and ceded reserves result in disproportionate earnings impacts. The impact of non-contemporaneous reinsurance will fluctuate depending on the magnitude of reserve changes during the period. The decrease in the effects of non-contemporaneous reinsurance treatment in 2024 compared to 2023 is due to expected run out of the ceded block which resulted in a smaller net change in reserves in 2024
78
compared to 2023 The increase in the effects of non-contemporaneous reinsurance treatment in 2023 compared to 2022 is due to favorable experience in this block which resulted in a larger net change in reserves in 2023 compared to 2022.

For further discussion, see "Reinsurance" contained herein in Item 1 and Note 14 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Segment Outlook

We will continue to execute on our well-defined strategy of implementing long-term care premium rate increases, efficient capital management, improved financial analysis, and operational effectiveness. In regard to capital management, we will continue to explore, and execute where appropriate, structural and reinsurance options to enhance financial flexibility. We continue to file requests with various state insurance departments for premium rate increases on certain of our individual and group long-term care policies which reflect assumptions as of the date of filings. In states for which a rate increase is submitted and approved, we routinely provide customers options for coverage changes or other approaches that might fit their current financial and insurance needs. Despite continued anticipated premium rate increases in our long-term care business, we expect overall premium income and adjusted operating revenue to decline over the long term as these closed blocks of business wind down. We will likely experience volatility in net investment income due to fluctuations of miscellaneous investment income, driven by the allocation towards alternative assets, primarily private equity partnership investments, in the long-term care product line portfolio. We record changes in our share of the NAV of the partnerships in net investment income. We receive financial information related to our investments in partnerships and generally record investment income on a one-quarter lag in accordance with our accounting policy. As these NAVs are volatile and can fluctuate materially with changes in market economic conditions, there may possibly be significant movements up or down in future periods as conditions change. We continuously monitor key indicators to assess our risks and adjust our business plans, including utilization of derivative financial instruments to manage interest rate risk.

Profitability of our long-tailed products is affected by claims experience related to mortality, morbidity, resolutions, investment returns, premium rate increases, and persistency. The net premium ratio represents the ratio of future expected benefits and related expenses to future expected gross premiums using the original discount rate. Long-term care benefits experience may continue to have quarterly volatility, particularly in the near term as our claim block matures and as we continue the implementation of premium rate increases. Claim resolution rates which reflect the probability that a disability or long-term care claim will close due to recovery or death of the insureds, are very sensitive to operational and external factors and can be volatile. Our claim resolution rate assumption used in determining reserves is our expectation of the resolution rate we will experience over the life of the block of business and will vary from actual experience in any one period. It is possible that variability in any of our reserve assumptions, including, but not limited to, mortality, morbidity, resolutions, premium rate increases, benefit change elections, and persistency, could result in a material impact to our reserves.

As a result of the execution of the reinsurance transaction related to our Closed Block individual disability line of business, we have fully ceded a significant portion of this business.

As previously discussed, we anticipate entering into a reinsurance agreement with Fortitude Re to cede a portion of our long-term care business during 2025. For further discussion, see “Executive Summary" contained herein in Item 7 and Note 14 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.




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Corporate Segment

The Corporate segment includes investment income on corporate assets not specifically allocated to a line of business, interest expense on corporate debt, and certain other corporate income and expenses not allocated to a line of business.
Operating Results
(in millions of dollars)  
 Year Ended December 31
 2024% Change2023% Change2022
Adjusted Operating Revenue
Net Investment Income$58.6 (41.3)%$99.8 90.1 %$52.5 
Other Income1.3 (60.6)3.3 (31.3)4.8 
Total59.9 (41.9)103.1 79.9 57.3 
Interest, Debt, and Other Expenses266.4 6.8 249.5 12.6 221.6 
Loss Before Income Tax and Net Investment Gains and Losses(206.5)41.1 (146.4)(10.9)(164.3)
Loss on Legal Settlement15.3 100.0 — — — 
Adjusted Operating Loss$(191.2)30.6 $(146.4)(10.9)$(164.3)

Year Ended December 31, 2024 Compared with Year Ended December 31, 2023

Adjusted operating loss, excluding the loss on legal settlement, increased in 2024 relative to 2023, due primarily to decreased net investment income, which was driven by increased allocations to our lines of business.

Year Ended December 31, 2023 Compared with Year Ended December 31, 2022

Adjusted operating loss decreased in 2023 relative to 2022, due primarily to higher net investment income, which was driven by an increase in the yield on invested assets, partially offset by higher pension expenses.

See "Executive Summary” contained herein in this Item 7 and Note 15 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of the loss on legal settlement.

Segment Outlook

We expect to continue to generate excess capital on an annual basis through the statutory earnings in our insurance subsidiaries and believe we are well positioned with flexibility to preserve our capital strength while also returning capital to our shareholders. We may experience volatility in net investment income due to changes in the prevailing interest rates as well as both the composition and level of invested assets.
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Investments

Overview

Our investment portfolio is well diversified by type of investment and industry sector. We have established an investment strategy that we believe will provide for adequate cash flows from operations and allow us to hold our securities through periods where significant decreases in fair value occur. We believe our emphasis on risk management in our investment portfolio has positioned us well and generally reduced the volatility in our results.

We and our insurance subsidiaries each have a formal investment policy that includes overall quality and diversification objectives and establishes asset class, investment rating, single issuer, and derivative limits for the entity. We also have formal enterprise investment guidelines that set forth aggregate limits by asset class and investment rating across all entities. The majority of our investments are in investment-grade publicly traded securities. This ensures the desired liquidity and preserves the capital value of our portfolios. Due to the long-term nature of our insurance liabilities, we are also able to invest in less liquid investments to obtain additional returns within the limits of our investment policy. The asset mix guidelines and limits are reviewed and approved by the risk and finance committee of Unum Group's board of directors as they relate to Unum Group and the enterprise as a whole, and by the boards of directors of our insurance subsidiaries as they relate to the respective entities. We review our policies and guidelines annually, or more frequently if deemed necessary, and recommend adjustments as appropriate.

See "Critical Accounting Estimates" contained herein in this Item 7 for further discussion of our valuation of investments.

Fixed Maturity Securities

The fair values and associated unrealized gains and losses of our fixed maturity securities portfolio, by industry classification, are as follows:

Fixed Maturity Securities - By Industry Classification
As of December 31, 2024
(in millions of dollars)      
ClassificationFair ValueNet Unrealized Gain (Loss)Fair Value with Gross Unrealized LossGross Unrealized LossFair Value with Gross Unrealized GainGross Unrealized Gain
Basic Industry$2,470.0 $(148.1)$1,749.5 $181.7 $720.5 $33.6 
Capital Goods3,237.3 (152.3)2,015.0 222.0 1,222.3 69.7 
Communications2,171.8 (107.1)1,103.1 193.1 1,068.7 86.0 
Consumer Cyclical1,366.3 (114.1)1,043.3 132.6 323.0 18.5 
Consumer Non-Cyclical6,256.1 (545.0)4,457.5 648.3 1,798.6 103.3 
Energy2,514.2 (18.2)1,044.8 109.6 1,469.4 91.4 
Financial Institutions3,832.6 (353.5)3,281.1 374.2 551.5 20.7 
Mortgage/Asset-Backed1
917.2 (32.2)485.8 37.2 431.4 5.0 
Sovereigns768.1 (144.0)438.2 153.5 329.9 9.5 
Technology1,363.6 (135.7)1,192.7 144.6 170.9 8.9 
Transportation1,617.9 (136.6)1,234.3 155.1 383.6 18.5 
U.S. Government Agencies and Municipalities3,821.9 (518.3)2,597.0 597.7 1,224.9 79.4 
Public Utilities5,292.9 (232.1)2,831.2 364.4 2,461.7 132.3 
Total$35,629.9 $(2,637.2)$23,473.5 $3,314.0 $12,156.4 $676.8 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
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The following two tables show the length of time our investment-grade and below-investment-grade fixed maturity securities portfolios had been in a gross unrealized loss position as of December 31, 2024 and at the end of the prior four quarters. The relationships of the current fair value to amortized cost are not necessarily indicative of the fair value to amortized cost relationships for the securities throughout the entire time that the securities have been in an unrealized loss position nor are they necessarily indicative of the relationships after December 31, 2024. The increase in the unrealized loss on fixed maturity securities during 2024 was due primarily to an increase in U.S. Treasury rates.

Unrealized Loss on Investment-Grade Fixed Maturity Securities
Length of Time in Unrealized Loss Position
(in millions of dollars)
 20242023
 December 31September 30June 30March 31December 31
Fair Value < 100% >= 70% of Amortized Cost
<= 90 days$188.9 $11.8 $31.4 $48.0 $8.3 
> 90 <= 180 days56.6 1.2 74.6 8.3 3.5 
> 180 <= 270 days1.1 5.1 28.6 4.5 16.4 
> 270 days <= 1 year13.2 3.3 6.4 22.3 18.9 
> 1 year <= 2 years58.8 24.9 286.2 518.7 1,536.4 
> 2 years <= 3 years1,553.6 1,708.4 2,019.4 1,721.0 675.6 
> 3 years497.6 202.0 60.8 63.7 22.4 
Sub-total2,369.8 1,956.7 2,507.4 2,386.5 2,281.5 
Fair Value < 70% >= 40% of Amortized Cost
<= 90 days— — 0.1 — — 
> 1 year <= 2 years— 28.4 33.3 34.1 99.5 
> 2 years <= 3 years326.1 232.8 597.2 439.5 232.3 
> 3 years498.4 62.3 61.8 56.9 22.0 
Sub-total824.5 323.5 692.4 530.5 353.8 
Fair Value <= 40% of Amortized Cost
> 180 <= 270 days2.0 — — — — 
> 270 days <= 1 year2.0 — — — — 
> 1 year <= 2 years— — — 23.3 22.3 
> 2 years <= 3 years34.9 28.6 27.2 2.8 2.7 
> 3 years3.0 — — — — 
Sub-total41.9 28.6 27.2 26.1 25.0 
Total$3,236.2 $2,308.8 $3,227.0 $2,943.1 $2,660.3 









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Unrealized Loss on Below-Investment-Grade Fixed Maturity Securities
Length of Time in Unrealized Loss Position
(in millions of dollars)
 20242023
 December 31September 30June 30March 31December 31
Fair Value < 100% >= 70% of Amortized Cost
<= 90 days$4.8 $0.3 $0.4 $0.2 $0.3 
> 90 <= 180 days1.2 — 0.7 0.8 — 
> 180 <= 270 days— — 0.9 — 0.2 
> 270 days <= 1 year0.1 — — 0.2 0.1 
> 1 year <= 2 years0.1 — 0.9 7.2 51.6 
> 2 years <= 3 years38.2 38.6 51.7 45.6 7.3 
> 3 years13.4 11.7 — 0.1 0.1 
Sub-total57.8 50.6 54.6 54.1 59.6 
Fair Value < 70% >= 40% of Amortized Cost
> 1 year <= 2 years— — — 13.9 26.4 
> 2 years <= 3 years16.4 14.7 25.6 13.5 — 
> 3 years3.3 — 12.3 12.5 12.9 
Sub-total19.7 14.7 37.9 39.9 39.3 
Fair Value <= 40% of Amortized Cost
> 1 year <= 2 years— — 0.1 0.1 4.5 
> 3 years0.3 0.3 0.2 0.2 0.2 
Sub-total0.3 0.3 0.3 0.3 4.7 
Total$77.8 $65.6 $92.8 $94.3 $103.6 

At December 31, 2024, we held 59 investment-grade fixed maturity securities with a gross unrealized loss of $10.0 million or greater as shown in the chart below.

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Gross Unrealized Losses $10 Million or Greater on Investment-Grade Fixed Maturity Securities
As of December 31, 2024
(in millions of dollars)
ClassificationFair ValueGross Unrealized LossNumber of Issuers
Basic Industry$220.8 $(51.9)4
Capital Goods138.6 (39.0)3
Communications469.9 (105.2)7
Consumer Cyclical280.8 (60.8)4
Consumer Non-Cyclical764.9 (132.1)10
Energy242.0 (36.4)3
Financial Institutions762.7 (101.3)8
Sovereigns375.1 (134.8)2
Technology351.2 (59.7)5
Transportation196.1 (52.1)4
U.S. Government Agencies and Municipalities219.3 (35.0)3
Public Utilities441.4 (100.9)6
Total$4,462.8 $(909.2)59 

At December 31, 2024, we held one below investment-grade fixed maturity security with a gross unrealized loss greater than $10.0 million. The security is a utilities company and had a fair value of $32.7 million and a gross unrealized loss of $12.7 million.

Unrealized losses on investment-grade fixed maturity securities principally relate to changes in interest rates or changes in market or sector credit spreads which occurred subsequent to the acquisition of the securities. Below-investment-grade fixed maturity securities are generally more likely to develop credit concerns than investment-grade securities. At December 31, 2024, the unrealized losses in our below-investment-grade fixed maturity securities were generally due to higher interest rates, wider credit spreads in certain industries or sectors and, to a lesser extent, credit concerns related to specific securities. For each specific security in an unrealized loss position, we believe that there are positive factors which mitigate credit concerns and that the securities for which we have not recorded a credit loss will recover in value. We have the ability and intent to continue to hold these securities to recovery of amortized cost and believe that no credit losses have occurred.

We had no individual net investment losses of $10.0 million or greater from credit losses or sales of fixed maturity securities during 2024 and 2023. During 2022, we recognized a realized loss of $12.6 million on the sale of securities of a pharmaceutical company that was impacted by an adverse ruling surrounding a patent held for its largest drug. We had no other individual investment losses of $10.0 million or greater from credit losses or sales of fixed maturity securities during 2022.

As of December 31, 2024, the amortized cost, net of allowance for credit losses, and fair value of our below-investment-grade fixed maturity securities was $1,498.8 million and $1,436.0 million, respectively, and our below-investment-grade fixed maturity securities as a percentage of our total investment portfolio decreased from 3.3 percent at December 31, 2023 to 3.1 percent at December 31, 2024 on a fair value basis. Below-investment-grade securities are inherently riskier than investment-grade securities since the risk of default by the issuer, by definition and as exhibited by bond rating, is higher. Also, the secondary market for certain below-investment-grade issues can be highly illiquid. Additional downgrades may occur, but we do not anticipate any liquidity problems resulting from our investments in below-investment-grade securities, nor do we expect these investments to adversely affect our ability to hold our other investments to maturity.
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Fixed Maturity Securities - Foreign Exposure

Our investments in issuers in foreign countries are chosen for specific portfolio management purposes, including asset and liability management and portfolio diversification across geographic lines and sectors to minimize non-market risks. In our approach to investing in fixed maturity securities, specific investments within approved countries and industry sectors are evaluated for their market position and specific strengths and potential weaknesses. For each security, we consider the political, legal, and financial environment of the sovereign entity in which an issuer is domiciled and operates. The country of domicile is based on consideration of the issuer's headquarters, in addition to location of the assets and the country in which the majority of sales and earnings are derived. We do not have exposure to foreign currency risk, as the cash flows from these investments are either denominated in currencies or hedged into currencies to match the related liabilities. We continually evaluate our foreign investment risk exposure.

Mortgage Loans

The carrying value of our mortgage loan portfolio was $2,224.5 million and $2,318.2 million at December 31, 2024 and 2023, respectively. Our investments in mortgage loans are carried at amortized cost less an allowance for expected credit losses which was $16.1 million and $10.2 million at December 31, 2024 and 2023, respectively. Our mortgage loan portfolio is comprised entirely of commercial mortgage loans. Our mortgage loan portfolio is well diversified geographically and among property types.

Due to conservative underwriting, the incidence of non-performing mortgage loans and foreclosure activity continues to be low. Other than our allowance for expected credit losses, we held one specifically identified impaired mortgage loan at December 31, 2024 with an aggregate carrying value of $9.2 million. We held no specifically identified impaired mortgage loans at December 31, 2023. See Notes 1 and 3 in the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of our mortgage loan portfolio and the allowance for expected credit losses.

Private Equity Partnerships

The carrying value of our investments in private equity partnerships was $1,450.6 million and $1,326.2 million at December 31, 2024 and 2023, respectively. These partnerships are passive in nature and represent funds that are primarily invested in private credit, private equity, and real assets. The carrying value of the partnerships is based on our share of the partnership's NAV and changes in the carrying value are recorded as a component of net investment income. We receive financial information related to our investments in partnerships and generally record investment income on a one-quarter lag in accordance with our accounting policy. We recorded net investment income totaling $103.1 million, $78.1 million, and $110.1 million for the years ended December 31, 2024, 2023, and 2022, respectively. The majority of our investments in partnerships are not redeemable. Distributions received from the funds arise from income generated by the underlying investments as well as the liquidation of the underlying investments. There is generally not a public market for these investments. We had $768.5 million of commitments for additional investments in the partnerships at December 31, 2024 which may or may not be funded. See Note 2 in the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of our private equity partnerships.
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Derivative Financial Instruments

We use derivative financial instruments primarily to manage interest rate risk, risk related to matching duration for our assets and liabilities, foreign currency risk, and equity risk. Historically, we have utilized current and forward interest rate swaps, current and forward currency swaps, forward benchmark interest rate locks, currency forward contracts, forward contracts on specific fixed income securities, credit default swaps, and total return swaps. As of December 31, 2024, we had $3,751.4 million in notional amount of derivatives outstanding, of which $2,570.0 million is related to management of reinvestment risk in our long-term care product line, $1,052.5 million is related to management of foreign currency risk related to foreign denominated investments and $128.9 million is hedging a portion of the liability related to our non-qualified defined contribution plan. Credit exposure on derivatives is limited to the value of those contracts in a net gain position, including accrued interest receivable less collateral held. Our credit exposure on derivatives was $0.5 million at December 31, 2024. The carrying value of fixed maturity securities and cash collateral received from our counterparties was $8.4 million and $3.6 million, respectively, at December 31, 2024. The carrying value of fixed maturity securities and cash posted as collateral to our counterparties was $196.7 million and $4.0 million, respectively, at December 31, 2024. We believe that our credit risk is mitigated by our use of multiple counterparties, all of which have an investment-grade credit rating, and by our use of cross-collateralization agreements. See Note 4 in the "Notes to Consolidated Financial Statements" contained herein in Item 1 for further discussion of our derivatives.

Other

Our exposure to non-current investments, defined as investments which are delinquent as to interest and/or principal payments, had a total carrying value of $13.0 million as of December 31, 2024. We had no exposure to non-current investments at December 31, 2023.

See Notes 3 and 4 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of our investments and our derivative financial instruments.

Liquidity and Capital Resources
Overview

Our liquidity requirements are met primarily by cash flows provided from operations, principally in our insurance subsidiaries. Premium and investment income, as well as maturities and sales of invested assets, provide the primary sources of cash. Debt and/or securities offerings provide additional sources of liquidity. Cash is applied to the payment of policy benefits, costs of acquiring new business (principally commissions), operating expenses, and taxes, as well as purchases of new investments.

We have established an investment strategy that we believe will provide for adequate cash flows from operations. We attempt to match our asset cash flows and durations with expected liability cash flows and durations to meet the funding requirements of our business. However, deterioration in the credit market may delay our ability to sell our positions in certain of our fixed maturity securities in a timely manner and adversely impact the price we receive for such securities, which may negatively impact our cash flows. Furthermore, if we experience defaults on securities held in the investment portfolios of our insurance subsidiaries, this will negatively impact statutory capital, which could reduce our insurance subsidiaries' capacity to pay dividends to our holding companies. A reduction in dividends to our holding companies could force us to seek external financing to avoid impairing our ability to pay dividends to our stockholders or meet our debt and other payment obligations.

Our policy benefits are primarily in the form of claim payments, and we have minimal exposure to the policy withdrawal risk associated with deposit products such as individual life policies or annuities. A decrease in demand for our insurance products or an increase in the incidence of new claims or the duration of existing claims could negatively impact our cash flows from operations. However, our historical pattern of benefits paid to revenues is generally consistent, even during cycles of economic downturns, which serves to minimize liquidity risk.

The liquidity requirements of the holding company Unum Group include common stock dividends, interest and debt service, and ongoing investments in our businesses.  Unum Group's liquidity requirements are met by assets held by Unum Group and our intermediate holding companies, dividends from primarily our insurance subsidiaries, and issuance of common stock, debt, or other capital securities and borrowings from our existing credit facility, as needed.  As of December 31, 2024, Unum Group and our intermediate holding companies had available holding company liquidity of $1,987.0 million that was held primarily in bank deposits, commercial paper, money market funds, corporate bonds, municipal bonds, and asset backed securities. No
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significant restrictions exist on our ability to use or access funds in any of our U.S. or foreign intermediate holding companies. Dividends repatriated from our foreign subsidiaries are eligible for 100 percent exemption from U.S. income tax but may be subject to withholding tax and/or tax on foreign currency gain or loss.

As part of our capital deployment strategy, we may repurchase shares of Unum Group's common stock, as authorized by our board of directors. The timing and amount of repurchase activity is based on market conditions and other considerations, including the level of available cash, alternative uses for cash, and our stock price. During the twelve months ended December 31, 2024, we repurchased 15.7 million shares at a cost of $971.0 million, excluding commissions and excise tax.

Our board of directors has authorized the following repurchase programs:

February 2025 Authorization
July 2024 Authorization1
October 2023 Authorization2
December 2022 Authorization3
(in millions)
Effective Date
April 1, 2025August 1, 2024January 1, 2024January 1, 2023
Expiration Date
NoneMarch 31, 2025July 31, 2024December 31, 2023
Authorized Repurchase Amount
$1,000.0 $1,000.0 $500.0 $250.0 
Cost of Shares Repurchased Under Repurchase Program— 506.8 464.2 250.0 
Unused and Expired
— — 35.8 — 
Remaining Repurchase Amount at December 31, 2024
Not yet effective
$493.2 $— $— 
1Concurrent with the announcement of the February 2025 repurchase program, we also announced the termination of the July 2024 program as of March 31, 2025, and any unused amounts under that program will expire as of that date.
2Concurrent with the announcement of the July 2024 repurchase program, we also announced the termination of the October 2023 program as of July 31, 2024, and all unused amounts under that program expired as of that date.
3In February 2023, the December 2022 program was modified to increase the authorized repurchase amount from $200.0 million to $250.0 million.

See Note 12 of the "Notes to Consolidated Financial Statements" contained herein in Item 8.

Cash Available from Subsidiaries

Unum Group and certain of its intermediate holding company subsidiaries depend on payments from subsidiaries to pay dividends to stockholders, to pay debt obligations, and/or to pay expenses. These payments by our insurance and non-insurance subsidiaries may take the form of dividends, operating and investment management fees, and/or interest payments on loans from the parent to a subsidiary.

Restrictions under applicable state insurance laws limit the amount of dividends that can be paid to a parent company from its insurance subsidiaries in any 12-month period without prior approval by regulatory authorities. For life insurance companies domiciled in the U.S., that limitation generally equals, depending on the state of domicile, either ten percent of an insurer's statutory surplus with respect to policyholders as of the preceding year end or the statutory net gain from operations, excluding realized capital gains and losses, of the preceding year. The payment of dividends to a parent company from a life insurance subsidiary is generally further limited to the amount of unassigned funds.
Unum America cedes blocks of long-term care business to Fairwind Insurance Company (Fairwind), which is an affiliated captive reinsurance subsidiary domiciled in the United States. The ability of Fairwind to pay dividends to Unum Group will depend on its satisfaction of applicable regulatory requirements and on the performance of the business reinsured by Fairwind. Fairwind did not pay dividends in 2024. Unum Group did not make any contributions to Fairwind in 2024 and we do not expect to make any contributions to Fairwind during 2025.

The ability of Unum Group and certain of its intermediate holding company subsidiaries to continue to receive dividends from their insurance subsidiaries also depends on additional factors such as RBC ratios and capital adequacy and/or solvency
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requirements, funding growth objectives at an affiliate level, and maintaining appropriate capital adequacy ratios to support desired ratings. The RBC ratios for our U.S. insurance subsidiaries at December 31, 2024 are in line with our expectations and are significantly above the level that would require state regulatory action.

Unum Group and/or certain of its intermediate holding company subsidiaries may also receive dividends from our U.K. subsidiaries, the payment of which may be subject to applicable insurance company regulations and capital guidance in the U.K. Unum Limited is subject to the requirements of U.K. Solvency II, the system of prudential regulation applying in the U.K., which prescribes capital requirements and risk management standards for the U.K. insurance industry. Our U.K. holding company is also subject to the U.K. Solvency II requirements relevant to insurance holding companies while, together with certain of its subsidiaries including Unum Limited, the group (the Unum UK Solvency II Group) is subject to group supervision under U.K. Solvency II. The Unum UK Solvency II Group received approval from the U.K. Prudential Regulation Authority (PRA) to use its own internal model for calculating regulatory capital and also received approval for certain associated regulatory permissions including transitional relief as the U.K. Solvency II capital regime continues to be implemented. For a number of years, the U.K. government has been reviewing the regulatory U.K. Solvency II framework, including transferring the requirements into the PRA Rulebook, which contains rules made and enforced by the PRA, and other policy materials. While this process led to favorable impacts on the solvency position of our U.K. business in earlier reporting periods, the completion of the review at December 31, 2024 did not have any further material impacts on the U.K. business solvency position.

The payment of dividends to the parent company from our subsidiaries also requires the approval of the individual subsidiary's board of directors.

The amount available during 2024 for the payment of ordinary dividends from Unum Group's traditional U.S. insurance subsidiaries, which excludes Fairwind, was approximately $1,289 million. During 2024, we declared and paid $1,278.0 million in dividends including $1,245.0 paid in cash and $33.0 million paid in fixed maturity securities, none of which was considered an extraordinary dividend. During 2024, Unum Limited declared and paid dividends of £60.0 million to Unum Group through our U.K holding company, Unum European Holding Company Limited (UEHC). During 2024, UEHC also paid cash of £14.0 million to Unum Group in connection with the return of preferred shares of UEHC.

During 2025, we intend to maintain a level of capital in our insurance subsidiaries above the applicable capital adequacy requirements and minimum solvency margins. As a result of our consideration of overall capitalization needs, we may not utilize the entire amount of dividends available in 2025, which are based on applicable restrictions under current law. Approximately $1,383 million is available, without prior approval by regulatory authorities, during 2025 for the payment of dividends from Unum Group's traditional U.S. insurance subsidiaries, which excludes our captive reinsurer. In February 2025, First Unum Life Insurance Company (First Unum) entered into a reinsurance agreement with Provident Life and Accident Insurance Company to cede, on a coinsurance with funds withheld basis, 100 percent of the long-term care business of First Unum, effective January 1, 2025. Also in February 2025, First Unum received regulatory approval for, and paid, an extraordinary dividend of $630 million to Unum Group.

Approximately £140 million is available to be distributable from Unum Limited during 2025. The actual amount distributable during 2025 will depend on experience, including the impact of market movements, and is subject to local requirements, as well as regulatory and other business considerations.

Insurance regulatory restrictions do not limit the amount of dividends available for distribution from non-insurance subsidiaries except where the non-insurance subsidiaries are held directly or indirectly by an insurance subsidiary and only indirectly by Unum Group, which does not apply to our current entity structure.

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Funding for Employee Benefit Plans

During the twelve months ended December 31, 2024, we made contributions of $79.5 million and £5.2 million to our U.S. and U.K. defined contribution plans, respectively, and expect to make contributions of approximately $89 million and £6 million during 2025. We had no regulatory contribution requirements for our U.S. and U.K. qualified defined benefit pension plans and made no voluntary contributions during the twelve months ended December 31, 2024. We do not expect to have regulatory contribution requirements for our U.S. and U.K. qualified defined benefit pension plans in 2025, but we reserve the right to make voluntary contributions during 2025. We have met all minimum pension funding requirements set forth by the Employee Retirement Income Security Act. We have estimated our future funding requirements under the Pension Protection Act of 2006 and under applicable U.K. law and do not believe that any future funding requirements will cause a material adverse effect on our liquidity.

See Note 11 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of our employee benefit plans.

Debt, Term Loan Facility, Credit Facilities and Other Sources of Liquidity

Our long-term debt balance at December 31, 2024 was $3,465.2 million, net of a net discount of $131.3 million and deferred debt issuance costs of $37.0 million, and is comprised of our unsecured senior notes, unsecured medium-term notes, and junior subordinated debt securities. Our short-term debt balance at December 31, 2024 was $274.6 million, net of a net discount of $0.2 million and deferred debt issuance costs of $0.2 million, and is comprised of unsecured senior notes.

In June 2024, we issued $400.0 million of 6.000% senior notes due 2054. The notes are callable at or above par and rank equally in the right of payment with all of our other unsecured and unsubordinated debt. A portion of the net proceeds of the offering were used to repay the $350.0 million aggregate principal amount of outstanding indebtedness under our senior unsecured delayed draw term loan facility, which was terminated upon repayment. The remaining balance of the net proceeds is expected to be used for general corporate purposes.

During November 2021, we entered into a 20-year facility agreement with a Delaware statutory trust (the P-Caps Trust), in connection with the sale by the P-Caps Trust of $400.0 million of pre-capitalized trust securities (P-Caps) in a Rule 144A private placement. The P-Caps Trust invested the proceeds from the sale of the P-Caps in a portfolio of principal and interest strips of U.S. Treasury securities (the Trust Assets). The facility agreement gave us the right to issue and require the P-Caps Trust to purchase, on one or more occasions, up to $400.0 million of our 4.046% senior notes due 2041 (the 2041 Senior Notes) in exchange for the Trust Assets. Under the facility agreement, we agreed to pay a semi-annual facility fee to the P-Caps Trust at a rate of 2.225% per year on the unexercised portion of the maximum amount of 2041 senior notes that we could issue and sell to the P-Caps Trust and to reimburse the P-Caps Trust for its expenses.

In October 2024, we exercised our issuance right in full under the facility agreement and issued $400.0 million of the 2041 Senior Notes to the P-Caps Trust in exchange for the Trust Assets, thereby triggering our recognition of the 2041 Senior Notes on our consolidated balance sheets. The Trust Assets had a fair value of $273.5 million when the 2041 Senior Notes were issued. We directed the trustee of the P-Caps Trust to dissolve the P-Caps Trust and to deliver the 2041 Senior Notes to the beneficial holders of the P-Caps pro rata in respect of each P-Cap. The 2041 Senior Notes are callable at or above par and rank equally in the right of payment with all of our other unsecured and unsubordinated debt. The net proceeds from the issuance of the 2041 Senior Notes and subsequent sale of the Trust Assets were used for share repurchases.

We have a five-year $500 million senior unsecured revolving credit facility with a syndicate of lenders which is currently scheduled to expire in April 2027. We may request that the lenders’ aggregate commitments of $500.0 million under the facility be increased by up to an additional $200.0 million. Certain of our traditional U.S. life insurance subsidiaries may also borrow under the credit facility, subject to an unconditional guarantee by Unum Group. At December 31, 2024, there were no borrowed amounts outstanding under the revolving credit facility and letters of credit totaling $0.4 million had been issued.

We have a five-year £75 million senior unsecured standby letter of credit facility with a different syndicate of lenders, pursuant to which a syndicated letter of credit was issued in favor of Unum Limited (as beneficiary), our U.K. insurance subsidiary, and is available for drawings up to £75 million until its scheduled expiration in July 2026. We have an additional five-year, £75 million senior standby letter of credit facility pursuant to which a standby letter of credit was issued in favor of Unum Limited (as beneficiary), our U.K. insurance subsidiary, and is available for drawings up to £75.0 million until its scheduled expiration
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in December 2028. In connection with and as security for the senior standby letter of credit facility, we granted to the issuer of the standby letter of credit the right to exercise, if an event of default occurred and was continuing, the issuance right under the facility agreement with the P-Caps Trust, up to a maximum of $200.0 million. In October 2024, prior to our exercise of the issuance right under the facility agreement, the assigned issuance right was forfeited in its entirety.

At December 31, 2024, no amounts have been borrowed under the standby credit facilities or letters of credit.

There are no significant financial covenants associated with any of our debt obligations other than our borrowings under the credit facilities, which are subject to financial covenants, negative covenants, and events of default that are customary. Each credit facility includes financial covenants based on our leverage ratio and consolidated net worth as well as covenants that limit subsidiary indebtedness. We continually monitor our debt covenants to ensure we remain in compliance. We have not observed any current trends that would cause a breach of any debt covenants.

See Note 10 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for additional information on our debt.

Shelf Registration

We maintain a shelf registration with the Securities and Exchange Commission to issue various types of securities, including common stock, preferred stock, debt securities, depository shares, stock purchase contracts, units and warrants. The shelf registration enables us to raise funds from the offering of any securities covered by the shelf registration as well as any combination thereof, subject to market conditions and our capital needs.

Cash Requirements

As previously discussed, cash is applied primarily to the payment of policy benefits, costs of acquiring new business (principally commissions), operating expenses, and taxes, as well as purchases of investments. We have established an investment strategy that we believe will provide for adequate cash flows from operations to meet cash payment requirements. Summarized below are our estimated material cash requirements, both in the short-term (within 12 months) and the long-term (beyond 12 months) resulting from contractual obligations as of December 31, 2024:

•Policyholder liabilities, which exclude the effect of change in discount rate assumptions and therefore differs from the amount shown in the consolidated balance sheet, totaled $45,855.1 million, of which $4,479.3 million is estimated to be paid in 2025. We also maintain reinsurance agreements for which the recoverable under those agreements totaled $12,385.4 million of which $1,314.5 million is estimated to offset related policyholder liability payments in 2025. Policyholder liabilities and the related reinsurance recoverable represent the projected payout of the current in-force policyholder liabilities and the expected cash inflows from reinsurers for liabilities ceded and therefore incorporate uncertainties as to the timing and amount of claim payments. We utilize extensive liability modeling to project future cash flows from the in-force business. The primary assumptions used to project future cash flows are discount rate, claim resolution rate, incidence rate, and policyholder lapse and mortality. These cash flows are discounted to determine the current value of the projected claim payments. The timing and amount of payments on policyholder liabilities may vary significantly over time.
•Payments related to our debt and our facility agreements, which include contractual principal and interest payments and therefore exceeds the amount shown in the consolidated balance sheets, totaled $7,563.7 million, of which $478.0 million in interest and principal payments is estimated to be paid in 2025.
•Investment commitments include $17.9 million to fund certain commercial mortgage loans and $96.5 million to fund certain private placement fixed maturity securities, both of which are estimated to be paid in 2025 based on the expiration date of the commitments. In addition, $768.5 million is committed in additional capital contributions to certain private equity partnerships which are due upon satisfaction of contractual notice from the partnership. These commitments may or may not be funded and are therefore not recorded on our consolidated balance sheets.
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•Pensions and OPEB, which include commitments related to our defined benefit pension and postretirement plans for our employees, including our non-qualified pension plan, totaled $580.4 million, of which $21.5 million is estimated to be paid in 2025. Pension plan obligations, other than the non-qualified plan, represent our contributions to the pension plans and are projected based on the expected future minimum contributions as required under current U.S. and U.K. legislative funding requirements. Non-qualified pension plan and other postretirement benefit obligations represent the expected benefit payments related to these plans which we expect to pay, as incurred, from our general assets.
•Amounts owed to reinsurers totaled $491.4 million of which $134.3 million is estimated to be paid in 2025.
•Payables for general operating expenses and deferred compensation liabilities totaled $460.1 million of which $304.8 million is estimated to be paid in 2025.
•Obligations to return advances received from the FHLB and to return unrestricted cash collateral to our securities lending and derivative counterparties totaled $390.5 million of which $112.9 million is estimated to be repaid in 2025.
•Commissions due totaled $156.5 million all of which is estimated to be paid in 2025.
•We also have obligations with outside parties for computer data processing services, software maintenance agreements, and consulting services of $193.7 million, of which $106.5 million is estimated to be paid in 2025.
•Operating lease payments representing the amount of undiscounted minimum lease payments due totaled $81.5 million of which $17.4 million is estimated to be paid in 2025.

See "Critical Accounting Estimates" and "Investments" contained herein in this Item 7 and Notes 2, 3, 4, 6, 10, 11, 14, and 17 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for additional information on our various commitments and obligations.

Transfers of Financial Assets

Our investment policy permits us to lend fixed maturity securities to unaffiliated financial institutions in short-term securities lending agreements, which increases our investment income with minimal risk. We account for all of our securities lending agreements and repurchase agreements as secured borrowings. As of December 31, 2024, we held $62.7 million of cash collateral from securities lending agreements. The average balance for securities lending agreements which were collateralized by cash during the year ended December 31, 2024 was $44.9 million, and the maximum amount outstanding at any month end was $133.0 million. In addition, at December 31, 2024, we had $34.8 million of off-balance sheet securities lending agreements which were collateralized by securities that we were neither permitted to sell nor control. The average balance of these off-balance sheet transactions during the year ended December 31, 2024 was $29.7 million, and the maximum amount outstanding at any month end was $38.6 million.

To manage our cash position more efficiently, we may enter into securities repurchase agreements with unaffiliated financial institutions. We generally use securities repurchase agreements as a means to finance the purchase of invested assets or for short-term general business purposes until projected cash flows become available from our operations or existing investments. We had no securities repurchase agreements outstanding at December 31, 2024, nor did we utilize any securities repurchase agreements during 2024. Our use of securities repurchase agreements and securities lending agreements can fluctuate during any given period and will depend on our liquidity position, the availability of long-term investments that meet our purchasing criteria, and our general business needs.

Certain of our U.S. insurance subsidiaries are members of regional FHLBs. As of December 31, 2024, we owned $26.7 million of FHLB common stock and had outstanding advances of $324.2 million from the regional FHLBs which were used for the purpose of investing in either short-term investments or matched fixed maturity securities. As of December 31, 2024, we have additional borrowing capacity of approximately $558.1 million from the FHLBs.

See Note 3 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for additional information.

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Consolidated Cash Flows

(in millions of dollars)
Year Ended December 31
202420232022
Net Cash Provided by Operating Activities$1,513.2 $1,202.8 $1,418.7 
Net Cash Used by Investing Activities(344.4)(725.9)(955.9)
Net Cash Used by Financing Activities(1,152.0)(450.1)(418.6)
Net Increase in Cash and Bank Deposits
$16.8 $26.8 $44.2 

Operating Cash Flows

Operating cash flows are primarily attributable to the receipt of premium and investment income, offset by payments of claims, commissions, expenses, and income taxes. Premium income growth is dependent not only on new sales, but on policy renewals and growth of existing business, renewal price increases, and persistency. Investment income growth is dependent on the growth in the underlying assets supporting our insurance liabilities and capital and on the earned yield. The level of commissions and operating expenses is attributable to the level of sales and the first year acquisition expenses associated with new business as well as the maintenance of existing business. The level of paid claims is affected partially by the growth and aging of the block of business and also by the general economy, as previously discussed in the operating results by segment.

Investing Cash Flows

Investing cash inflows consist primarily of the proceeds from the sales and maturities of investments.  Investing cash outflows consist primarily of payments for purchases of investments.  Our investment strategy is to match the cash flows and durations of our assets with the cash flows and durations of our liabilities to meet the funding requirements of our business. When market opportunities arise, we may sell selected securities and reinvest the proceeds to improve the yield and credit quality of our portfolio. We may at times also sell selected securities and reinvest the proceeds to improve the duration matching of our assets and liabilities and/or re-balance our portfolio. As a result, sales before maturity may vary from period to period. The sale and purchase of short-term investments is influenced by proceeds received from FHLB funding advances, issuance of debt, our securities lending program, and by the amount of cash which is at times held in short-term investments to facilitate the availability of cash to fund the purchase of appropriate long-term investments, repay maturing debt, and/or to fund our capital deployment program.

During 2024, we received proceeds of $271.0 million from the sale of the Trust Assets received as a result of exercising our issuance right under the facility agreement with the P-Caps Trust.

During 2023, we sold over $700.0 million of shorter duration bonds in our long-term care portfolio and reinvested the proceeds in higher quality, higher yielding, and longer duration bonds that better match our liability cash flows. As a result of this activity, both sales and purchases of fixed maturity securities were higher during 2023 compared to 2024 and 2022.

See Note 3 and 10 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further information.

Financing Cash Flows
Financing cash flows consist primarily of borrowings and repayments of debt, dividends paid to stockholders, repurchases of common stock, and policyholders' account deposits and withdrawals.
Cash used to repurchase shares of Unum Group's common stock during 2024, 2023, and 2022 was $972.9 million, $250.1 million, and $200.1 million, respectively. During 2024, 2023, and 2022 we paid dividends of $296.5 million, $277.1 million, and $254.2 million, respectively, to holders of Unum Group's common stock.
During 2024, we issued $400.0 million of 6.000% senior notes due 2054 and received proceeds of $391.6 million. A portion of the net proceeds of the offering were used to repay the outstanding indebtedness under our senior unsecured delayed draw term loan facility, resulting in a cash outflow of $350.0 million.
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During 2022, we purchased, and the Trust retired, $14.0 million aggregate liquidation amount of our 7.405% capital securities due 2038, for which we paid an additional $1.2 million in cash associated with the early retirement of this debt.

During 2022, we entered into a five-year $350.0 million senior unsecured delayed draw term loan facility with a syndicate of lenders. Also in 2022, we drew the entire amount of the term loan facility, for which we received total proceeds of $349.2 million, and used the proceeds to redeem $350.0 million aggregate principal amount of our 4.000% senior notes due 2024, for which we paid an additional $2.4 million in cash associated with the early retirement of this debt.

See "Debt, Term Loan Facility, Credit Facilities and Other Sources of Liquidity" contained herein in this Item 7, and Notes 10, 12, and 14 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further information.

Ratings

A.M. Best Company (AM Best), Fitch Ratings (Fitch), Moody's Ratings (Moody's), and S&P Global Ratings (S&P) are among the third parties that assign issuer credit ratings to Unum Group and financial strength ratings to our insurance subsidiaries. We compete based in part on the financial strength ratings provided by rating agencies. A downgrade of our financial strength ratings can be expected to adversely affect us and could potentially, among other things, adversely affect our relationships with distributors of our products and services and retention of our sales force, negatively impact persistency and new sales, particularly large case group sales and individual sales, and generally adversely affect our ability to compete. A downgrade in the issuer credit rating assigned to Unum Group can be expected to adversely affect our cost of capital or our ability to raise additional capital.

We maintain an ongoing dialogue with the four rating agencies that evaluate us in order to inform them of progress we are making regarding our strategic objectives and financial plans as well as other pertinent issues. A significant component of our communications involves our annual review meeting with each of the four agencies. We hold other meetings throughout the year regarding our business, including, but not limited to, quarterly updates.

Agency ratings are not directed toward the holders of our securities and are not recommendations to buy, sell, or hold our securities. Each rating is subject to revision or withdrawal at any time by the assigning rating organization, and each rating should be regarded as an independent assessment, not conditional on any other rating. Given the dynamic nature of the ratings process, changes by these or other rating agencies may or may not occur in the near-term. We have ongoing dialogue with the rating agencies concerning our insurance risk profile, our financial flexibility, our operating performance, and the quality of our investment portfolios. The rating agencies provide specific criteria and, depending on our performance relative to the criteria, will determine future negative or positive rating agency actions.

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The table below reflects the outlook as well as the senior unsecured debt ratings for Unum Group and the financial strength ratings for each of our traditional insurance subsidiaries as of the date of this filing. 
AM BestFitchMoody'sS&P
OutlookStable
Positive
StableStable
Senior Unsecured Debt Ratings
bbb+
BBB
Baa2
BBB
Financial Strength Ratings
Provident Life and Accident Insurance CompanyA
A
A2
A
Unum Life Insurance Company of AmericaA
A
A2
A
First Unum Life Insurance CompanyA
A
A2
A
Colonial Life & Accident Insurance CompanyA
A
A2
A
The Paul Revere Life Insurance CompanyA
A
A2
A
Unum Insurance Company
A
A
A2
NR
Provident Life and Casualty Insurance Company
A
A
NR
NR
Starmount Life Insurance CompanyANRNRNR
Unum LimitedNRNRNRA-

NR = not rated

In May 2024, Moody's upgraded its senior unsecured debt ratings to Baa2 from Baa3 and also upgraded its financial strength ratings of our rated domestic insurance subsidiaries to A2 from A3. The ratings upgrade reflects strong capital levels, a reduction in asset risk, increasing profitability in the core business, and an improved long-term care position.

In September 2024, Fitch revised its outlook to positive from stable. The revision reflects strong capital and liquidity positions, sustained levels of improved profitability, and actions taken to mitigate risk in long-term care.

There have been no other changes in the rating agencies' outlooks or ratings during 2024 or in 2025 prior to the date of this filing.

See "Ratings" contained herein in Item 1 and "Risk Factors" contained herein in Item 1A for further discussion.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are subject to various market risk exposures, including interest rate risk and foreign exchange rate risk. The following discussion regarding our risk management activities includes forward-looking statements that involve risk and uncertainties. Estimates of future performance and economic conditions are reflected assuming certain changes in market rates and prices were to occur (sensitivity analysis). Caution should be used in evaluating our overall market risk from the information presented below, as actual results may differ. See "Risk Factors" contained herein in Item 1A, "Investments" contained herein in Item 7, and Notes 2, 3, and 4 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for further discussion of the qualitative aspects of market risk, including derivative financial instrument activity.

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Interest Rate Risk

Our exposure to interest rate changes results from our holdings of financial instruments such as fixed rate investments, forward benchmark interest rate locks, and interest sensitive liabilities. Fixed rate investments include fixed maturity securities, mortgage loans, policy loans, and short-term investments. Fixed maturity securities include U.S. and foreign government bonds, securities issued by government agencies, public utility bonds, corporate bonds, mortgage-backed securities, and redeemable preferred stock, all of which are subject to risk resulting from interest rate fluctuations. Certain of our financial instruments, such as fixed maturity securities, are carried at fair value in our consolidated balance sheets. The fair value of these financial instruments can be affected by changes in interest rates. A rise in interest rates may further increase the net unrealized loss related to these financial instruments, but may improve our ability to earn higher rates of return on new purchases of fixed maturity securities. Conversely, a decline in interest rates may decrease the net unrealized loss, but new securities may be purchased at lower rates of return. Although changes in fair value of fixed maturity securities due to changes in interest rates may impact amounts reported in our consolidated balance sheets, these changes will not cause an economic gain or loss unless we sell investments or determine that an investment is impaired. Our forward benchmark interest rate locks are also carried at fair value on our consolidated balance sheets. The fair value of these derivatives can also be affected by changes in interest rates as a rise in interest rates may further increase the net unrealized loss related to these derivatives and conversely a decline in interest rates may decrease the net unrealized loss related to these derivatives. Although changes in the fair value of our forward benchmark interest rate locks due to changes in interest rates may impact amounts reported in our consolidated balance sheets and ultimately the amounts we owe or will receive at the termination or maturity of the derivative, our usage of these derivatives allows us to reduce uncertainty in the reinvestment of future cash flows associated with certain of our product lines.

Other fixed rate investments, such as policy loans and mortgage loans, are carried at unpaid balances and amortized cost less the allowance for expected credit losses, respectively, rather than fair value in our consolidated balance sheets. These investments may have fair values substantially higher or lower than the carrying values reflected in our balance sheets. A change in interest rates could impact our financial position if we sold our mortgage loan investments at times of low market value. A change in interest rates would not impact our financial position at repayment of policy loans, as ultimately the cash surrender values or death benefits would be reduced for the carrying value of any outstanding policy loans. Carrying amounts for short-term investments approximate fair value, and we believe we have minimal interest rate risk exposure from these investments.

We believe that the risk of being forced to liquidate investments or terminate derivative positions ahead of scheduled maturity dates is minimal, primarily due to the level of capital at our insurance subsidiaries, the level of cash and marketable securities at our holding companies, and our investment strategy which we believe provides for adequate cash flows to meet the funding requirements of our business. We may in certain circumstances, however, need to sell investments due to changes in regulatory or capital requirements, changes in tax laws, rating agency decisions, and/or unexpected changes in liquidity needs.

Although our policy benefits are primarily in the form of claim payments and we therefore have minimal exposure to the policy withdrawal risk associated with deposit products such as individual life policies or annuities, the fair values of liabilities under all insurance contracts are taken into consideration in our overall management of interest rate risk, which minimizes exposure to changing interest rates through the matching of investment cash flows with amounts due under insurance contracts. Changes in interest rates and individuals' behavior affect the amount and timing of asset and liability cash flows. We actively monitor our asset and liability cash flow match and our asset and liability duration match to manage interest rate risk. Due to the long duration of our long-term care product, the timing of our investment cash flows do not match those of our maturing liabilities. We model and test asset and liability portfolios to improve interest rate risk management and net yields. Testing the asset and liability portfolios under various interest rate and economic scenarios enables us to choose what we believe to be the most appropriate investment strategy, as well as to limit the risk of disadvantageous outcomes. We use this analysis in determining hedging strategies and utilizing derivative financial instruments. We have and may continue to use current and forward interest rate swaps, options on forward interest rate swaps, and forward treasury locks to hedge interest rate risks and to match asset durations and cash flows with corresponding liabilities.

Debt is not carried at fair value in our consolidated balance sheets. If we modify or replace existing debt instruments at current market rates, we may incur a gain or loss on the transaction. We believe our debt-related risk to changes in interest rates is relatively minimal.

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We measure our insurance liabilities and financial instruments' market risk related to changes in interest rates using a sensitivity analysis. This analysis estimates potential changes in fair values as of December 31, 2024 and 2023 based on a hypothetical immediate increase of 100 basis points in interest rates from year end levels. The selection of a 100 basis point immediate parallel change in interest rates should not be construed as our prediction of future market events, but only as an illustration of the potential effect of such an event.

The hypothetical potential changes in fair value of our insurance liabilities and financial instruments at December 31, 2024 and 2023 are shown as follows:
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December 31, 2024
(in millions of dollars)Notional Amount of Derivatives
Fair Value (FV)2
Hypothetical
FV + 100 BP2
Change in FV2
Assets
Fixed Maturity Securities1
$35,629.9 $32,889.9 $(2,740.0)
Mortgage Loans1,975.4 1,877.0 (98.4)
Policy Loans, Net of Reinsurance Ceded359.3 334.7 (24.6)
Reinsurance Recoverable2
8,296.4 7,520.0 (776.4)
Liabilities
Liability for Future Policy Benefits2
$(36,806.4)$(32,947.1)$3,859.3 
Debt
(3,564.3)(3,244.5)319.8 
Derivatives1
Forward Benchmark Interest Rate Locks2,570.0 (219.8)(463.9)(244.1)

December 31, 2023
(in millions of dollars)Notional Amount of Derivatives
Fair Value2
Hypothetical
FV + 100 BP2
Change in FV2
Assets
Fixed Maturity Securities1
$36,833.9 $33,842.1 $(2,991.8)
Mortgage Loans2,070.7 1,957.7 (113.0)
Policy Loans, Net of Reinsurance Ceded373.8 347.8 (26.0)
Reinsurance Recoverable2
9,108.4 8,179.2 (929.2)
Liabilities
Liability for Future Policy Benefits2
$(40,009.4)$(35,456.1)$4,553.3 
Debt(3,227.9)(2,978.4)249.5 
Derivatives 1
Forward Benchmark Interest Rate Locks1,905.0 (33.3)(245.2)(211.9)

1These financial instruments are carried at fair value in our consolidated balance sheets. Changes in fair value resulting from changes in interest rates may affect the fair value at which the item is reported in our consolidated balance sheets. The corresponding offsetting change is reported in other comprehensive income or loss, net of income tax.

2 We are required to update the discount rate assumptions related to our liability for future policy benefits at each reporting date using a yield that is reflective of an upper-medium grade fixed-income instrument, which is generally equivalent to a single-A interest rate matched to the duration of certain of our insurance liabilities. As such, the value of certain of our insurance liabilities may be adversely affected by changes in the single-A interest rate environment which could impact the valuation of our liability for future policy benefits and related reinsurance recoverable.

The effect of a change in interest rates on asset prices was determined using a duration implied methodology for the fixed maturity securities whereby the duration of each security was used to estimate the change in price for the security assuming an increase of 100 basis points in interest rates. These hypothetical prices were compared to the actual prices for the period to compute the overall change in market value. The changes in the fair values shown in the chart above for all other items were determined using discounted cash flow analyses. Because we actively manage our investments and liabilities, actual changes could differ from those estimated above.
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Our overall investment philosophy is to invest in a portfolio of high quality assets that provide investment returns consistent with those assumed in the pricing of our insurance products. Assets are invested predominately in fixed maturity securities. We estimate that we will have approximately $2.2 billion of investable cash flows in 2025. Assuming interest rates and credit spreads remain constant at the January 2025 market levels throughout the remainder of 2025 and 2026, our net investment income would increase by an immaterial amount in both 2025 and 2026 as a result of the investment of cash flows at levels above our current portfolio rate. This interest rate scenario does not give consideration to the effect of other factors which could impact these results, such as changes in the bond market and changes in hedging strategies and positions, nor does it consider the potential change to our discount rate reserve assumptions and any mitigating factors such as pricing adjustments.

See "Critical Accounting Estimates" contained herein in Item 7 for further information concerning our pension and post-retirement benefit plans.

Foreign Currency Risk

The functional currency of our U.K. operations is the British pound sterling. The functional currency of our operations in Poland is the Polish zloty. We are exposed to foreign currency risk arising from fluctuations in the British pound sterling and Polish zloty to U.S. dollar exchange rates primarily as they relate to the translation of the financial results of our U.K. and Polish operations. Fluctuations in exchange rates impact reported financial results. We do not hedge against the possible impact of this risk. Because we do not actually convert our functional currency into dollars except for a limited number of transactions, we view foreign currency translation as a financial reporting issue and not a reflection of operations or profitability in our U.K. or Polish operations.

Assuming the pound to dollar year-end exchange rate decreased 10 percent from the December 31, 2024 and 2023 levels, accumulated other comprehensive income or loss as reported in U.S. dollars would have been lower by approximately $120 million in each year. Assuming the pound to dollar average exchange rate decreased 10 percent from the actual average exchange rates for 2024 and 2023, net income, as reported in U.S. dollars, would have decreased approximately $10 million in each year. Our Polish operations are currently not a significant portion of our overall operations and any changes in the dollar exchange rate would not represent a material impact to our reported financial results in U.S. dollars.

Dividends paid by Unum Limited are paid to our U.K. holding company. When these funds are repatriated to our U.S. holding company, we are subject to foreign currency risk as the value of the dividend, when converted into U.S. dollars, is dependent upon the foreign exchange rate at the time of conversion.

We are also exposed to foreign currency risk related to certain foreign investment securities denominated in local currencies. We use foreign currency interest rate swaps to hedge or minimize the foreign exchange risk associated with these instruments.

See "Risk Factors" contained herein in Item 1A and "Consolidated Operating Results" and "Unum International Segment" contained herein in Item 7 for further information concerning foreign currency translation.

Risk Management
 
Effectively taking and managing risks is essential to the success of our Company. To facilitate this effort, we have a formal Enterprise Risk Management (ERM) program, with a framework comprising these key components:

•Risk-aware culture and governance
•Risk appetite
•Risk identification and prioritization
•Risk reporting
•Risk management and modeling

Our ERM framework is the ongoing system of people, processes, and tools across our Company under which we intend to function consistently and collectively to identify and assess risks and opportunities, to manage all material risks within our risk appetite, and to contribute to strategic decision making. With the goal of maximizing shareholder value, the primary objectives
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of our ERM framework are to support Unum Group in meeting its operational and financial objectives, maintaining liquidity, optimizing capital, protecting franchise value, and operational resilience.

Risk-Aware Culture and Governance

We employ a risk management model under which risk-based decisions are made daily on a local level. To achieve long-term success, we believe risk management must be the responsibility of all employees. The individual and collective decisions of our employees play a key role in successfully managing our overall risk profile. We strive for a culture of integrity, commitment, and accountability, and we believe these values allow our employees to feel comfortable identifying issues and taking ownership for addressing potential problems. To reinforce the risk-aware culture, we offer risk education to employees.

Our employees have an obligation to report issues that they believe will have a material financial, operational, reputational, or regulatory impact to the Company. We offer several channels for employees to report their issues or concerns and encourage employees to use the channel that is most appropriate for their situation. We recommend that an employee initially discuss their concerns with their manager; however, if that channel is not appropriate, an employee may use any of the other reporting channels available. By employing various approaches, we foster a culture intended to support candid discussion and reporting of risks and empowerment of our employees to take ownership for risk management.

Our culture is reinforced by our system of risk governance. We employ a multi-layered risk control system as depicted below:

1st Line: Own and Manage
2nd Line: Oversee
3rd Line: Independent Assurance
Business processes and procedures employed throughout the Company through which management assumes and monitors significant risks
Governing bodies chartered with oversight of activities within the 1st and 2nd lines, mitigation of substantial exposures, and management of emerging risks
Independent assurance on the effectiveness of governance, risk management, and internal control performed by internal audit and the board of directors

Business units are primarily responsible for managing their principal risks. Our risk committees and other governing bodies serve as risk control functions responsible for providing risk oversight, or the second line of risk control. Our internal audit team provides periodic independent reviews and assurance activities serving as our third line of risk control.

In addition, our board has an active role, as a whole and through its committees, in overseeing management of our risks. The board is responsible for the oversight of strategic risk and regularly reviews information regarding our capital, liquidity, and operations, as well as the risks associated with each. The risk and finance committee of the board is responsible for oversight of our risk management process, including financial risk, operational risk, strategic risk, and cybersecurity risk, though other board committees also oversee risks associated with their responsibilities.

Our executive risk management committee is responsible for overseeing our enterprise-wide risk management program. The chief risk officer, who is a member of the executive risk management committee, has primary responsibility for our ERM program and is supported by management committees and other governing bodies. These committees are responsible for identifying, measuring, reporting, and managing strategic insurance and operational risks within their respective areas, consistent with enterprise risk management guidance.

Risk Appetite

Our risk appetite, as set forth in a risk appetite statement, reflects acceptable boundaries for the risks we are willing to assume and the acceptable boundaries for uncertainty in achieving our strategic objectives. The risk appetite statement defines our approach to risk taking and guides decision making as to the amount and types of risks we assume in fulfilling our purpose and advancing our strategy.

We regularly use assessment techniques that are suitable for the specific nature of the risk being assessed. The discussion is at the enterprise level and often qualitative and principles based. Quantitative specifications are made where possible, generally regarding aggregate capital metrics. Business segments align with the risk appetite through process, policies, and operating procedures and through monitoring of operational metrics. Where appropriate, specific quantitative boundaries are used to establish and measure against risk appetite articulated in the statement.
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Key measures of our risk profile are monitored against risk tolerances and limits on a quarterly basis and are communicated to their respective governing body. For risks falling outside of our risk tolerance and limits, the respective governing body assesses the appropriate risk response, including implementation of remediation plans or corrective actions. Collectively, management is responsible for monitoring its adherence to the risk appetite statement throughout its operations and in accordance with the ERM framework.

Risk Identification and Prioritization

Risk identification and prioritization is an ongoing process, whereby we identify and assess our risk positions and exposures, including notable risk events. Additionally, we identify emerging risks and analyze how material future risks might affect us. Knowing the potential risks we face allows us to monitor and manage their potential effects including adjusting our strategies as appropriate and holding capital levels which provide financial flexibility. Business process owners, supported by the ERM program, have primary responsibility for identifying and prioritizing risks within their respective areas.

We face a wide range of risks, and our continued success depends on our ability to identify and appropriately manage our risk exposures. For additional information on certain risks that may adversely affect our business, operating results, or financial condition see "Cautionary Statement Regarding Forward-Looking Statements" contained herein on page 1 and "Risk Factors" contained herein in Item 1A.

Risk Reporting

Regular internal and external risk reporting is an integral part of our ERM framework. Internally, ERM reports are a standard part of our quarterly senior management and board meetings. The reports summarize our existing and emerging risk exposures, as well as report against the tolerances and limits defined by our risk appetite policy.

Externally, we are subject to a number of regulatory and rating agency risk examinations, and risk reports are often included. Annually, we file our Own Risk and Solvency Assessment (ORSA) summary report with the applicable insurance regulators for our U.S. insurance subsidiaries. This report provides strong evidence of the strengths of our ERM framework, measurement approaches, key assumptions utilized in assessing our risks, and prospective solvency assessments under both normal and stressed conditions. See "Regulation" contained herein in Item 1 for additional information regarding the ORSA.

Risk Management and Modeling

The ERM framework takes a decentralized approach to risk management that relies on the three lines of defense described above. The second line plays an important role in providing reliable, current, timely, and actionable information about the uncertainties that might affect the achievement of our objectives. The ERM framework utilizes a combination of qualitative and quantitative measures to inform our assessment at the enterprise level.

To support risk assessments, both the first and second line utilize stress testing and scenario analysis for risk management and to shape our business, financial, and strategic planning activities. Both are key components of our risk appetite framework and play an important role in monitoring, assessing, managing, and mitigating our primary risk exposures, which we evaluate over multiple time horizons.

Our ability to manage our baseline risks and run stress and scenario analysis relies on numerous capital and financial models. These models aid us in making significant business decisions including strategic planning, capital management, risk limit determinations, reinsurance purchases, hedging activities, asset allocation, pricing, and corporate development. We aim to constantly improve the capital modeling techniques and methodologies we use to determine a level of capital that is commensurate with our risk profile and to ensure compliance with evolving regulatory and rating agency requirements. To provide controls on development and use of our key models, we maintain a model risk framework for all financial models.
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ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
Page
PCAOB ID:42


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Report of Independent Registered Public Accounting Firm


To the Stockholders and the Board of Directors of Unum Group

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Unum Group and Subsidiaries (the Company) as of December 31, 2024 and 2023, the related consolidated statements of income, comprehensive income, stockholders' equity and cash flows for each of the three years in the period ended December 31, 2024, and the related notes and financial statement schedules listed in the Index at Item 15(a)(2) (collectively referred to as the "consolidated financial statements").  In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2024, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated February 27, 2025 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of the Company's management.  Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.
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Long-Term Care Liability for Future Policy Benefits
Description of the Matter
The Company's liability for individual and group long-term care future policy benefits is $15.3 billion of the $36.8 billion of Future Policy Benefits on the consolidated balance sheet as of December 31, 2024.
The liability for future policy benefits related to long-term care insurance contracts is based on estimates of how much the Company will need to pay for future benefits and the amount of premiums to be collected from policyholders for these policy features. As described in Note 1 and Note 6 to the consolidated financial statements, there is significant uncertainty in estimating this liability given the extended period over which claims are paid and sensitivity of the estimate to assumptions, including morbidity, mortality, claims incidence and resolutions, active policy lapses, and future premium rate increases.
Auditing the long-term care liability for future policy benefits was complex due to the highly judgmental nature of the significant assumptions, including morbidity, mortality, claims incidence and resolutions, active policy lapses, and future premium rate increases, used in the measurement process. The significant judgment and the sensitivity of the estimate to these assumptions can have a material effect on the valuation of the liability.
How We Addressed the Matter in Our AuditWe obtained an understanding, evaluated the design and tested the operating effectiveness of the Company’s internal controls over the long-term care liability for future benefits process, including controls over the review and approval of assumptions which incorporate the Company’s most recent experience.
To test the long-term care liability for future policy benefits we performed audit procedures, with the assistance of our actuarial specialists, that included, among others, an evaluation of the methodologies applied by management’s actuarial specialists with those methods used in prior periods. We evaluated the significant assumptions used by management in determining the liability for future policy benefits by comparing the significant assumptions, including expected morbidity, mortality, claims incidence and resolutions, active policy lapses, and future premium rate increases to historical assumptions, prior actual experience, policyholder experience studies performed by management, available industry information, or management’s estimates of prospective changes in these assumptions. In addition, we performed a review of the historical results of the development of the estimate, assessed management’s annual reserve assumption study, and performed an independent recalculation of the liability for future policy benefits for a sample of contracts which we compared to the actuarial model used by management.


/s/ Ernst & Young LLP


We have served as the Company’s auditor since 1999.

Chattanooga, Tennessee
February 27, 2025
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CONSOLIDATED BALANCE SHEETS

Unum Group and Subsidiaries
 
December 31
20242023
 (in millions of dollars)
Assets
Investments
Fixed Maturity Securities - at fair value (amortized cost of $38,269.9; $38,410.6; allowance for credit losses of $2.8; $2.2)
$35,629.9 $36,833.9 
Mortgage Loans (net of allowance for credit losses of $16.1; $10.2)
2,224.5 2,318.2 
Policy Loans3,617.2 3,620.2 
Other Long-term Investments1,694.4 1,579.4 
Short-term Investments2,540.3 1,610.7 
Total Investments45,706.3 45,962.4 
Other Assets
Cash and Bank Deposits162.8 146.0 
Accounts and Premiums Receivable (net of allowance for credit losses of $26.8; $29.5)
1,459.0 1,543.7 
Reinsurance Recoverable (net of allowance for credit losses of $1.5; $1.7)
8,296.4 9,108.4 
Accrued Investment Income649.8 633.9 
Deferred Acquisition Costs2,842.8 2,714.5 
Goodwill349.1 349.9 
Property and Equipment487.6 485.3 
Deferred Income Tax369.7 649.4 
Other Assets1,635.8 1,661.7 
Total Assets$61,959.3 $63,255.2 
    
 See notes to consolidated financial statements.
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CONSOLIDATED BALANCE SHEETS - Continued

Unum Group and Subsidiaries
December 31
 20242023
 (in millions of dollars)
Liabilities and Stockholders' Equity
Liabilities
Future Policy Benefits
$36,806.4 $40,009.4 
Policyholders' Account Balances
5,633.7 5,667.7 
Unearned Premiums384.0 380.2 
Other Policyholders’ Funds1,526.7 1,615.7 
Income Tax Payable226.5 190.0 
Deferred Income Tax31.0 27.0 
Short-term Debt274.6 — 
Long-term Debt3,465.2 3,430.4 
Other Liabilities2,650.1 2,283.4 
Total Liabilities50,998.2 53,603.8 
Commitments and Contingent Liabilities - Note 16
Stockholders' Equity
Common Stock, $0.10 par
Authorized: 725,000,000 shares
Issued: 195,460,723 and 194,588,625 shares
19.5 19.4 
Additional Paid-in Capital1,489.6 1,547.8 
Accumulated Other Comprehensive Loss(2,523.7)(3,308.0)
Retained Earnings12,914.0 11,431.5 
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares
(938.3)(39.3)
Total Stockholders' Equity10,961.1 9,651.4 
Total Liabilities and Stockholders' Equity$61,959.3 $63,255.2 

See notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF INCOME

Unum Group and Subsidiaries
 
Year Ended December 31
 202420232022
 (in millions of dollars, except share data)
Revenue
Premium Income$10,497.4 $10,046.0 $9,616.5 
Net Investment Income2,130.0 2,096.7 2,122.2 
Net Investment Loss(34.6)(36.0)(15.7)
Other Income294.5 279.2 261.1 
Total Revenue12,887.3 12,385.9 11,984.1 
Benefits and Expenses
Policy Benefits7,480.2 7,311.9 7,542.1 
Policy Benefits - Remeasurement Gain(562.3)(54.8)(547.5)
Commissions1,258.6 1,170.1 1,086.4 
Interest and Debt Expense201.1 194.8 188.5 
Cost Related to Early Retirement of Debt— — 4.2 
Deferral of Acquisition Costs(651.5)(632.2)(556.9)
Amortization of Deferred Acquisition Costs521.0 481.4 421.1 
Compensation Expense1,166.2 1,162.6 1,089.5 
Other Expenses1,222.7 1,112.0 1,006.7 
Total Benefits and Expenses10,636.0 10,745.8 10,234.1 
Income Before Income Tax 2,251.3 1,640.1 1,750.0 
Income Tax Expense (Benefit)
Current432.1 452.0 473.5 
Deferred40.1 (95.7)(130.7)
Total Income Tax Expense472.2 356.3 342.8 
Net Income$1,779.1 $1,283.8 $1,407.2 
Net Income Per Common Share
Basic$9.49 $6.53 $7.01 
Assuming Dilution$9.46 $6.50 $6.96 

See notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

Unum Group and Subsidiaries
 
 Year Ended December 31
 202420232022
 (in millions of dollars)
Net Income$1,779.1 $1,283.8 $1,407.2 
Other Comprehensive Income
Change in Net Unrealized Gain (Loss) on Securities (net of tax expense (benefit) of $(226.6); $300.6; $(1,890.8))
(836.1)1,109.3 (7,042.8)
Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy Benefits, Net of Reinsurance (net of tax expense (benefit) of $488.9; $(256.5); $2,385.1)
1,833.8 (962.3)8,884.6 
Change in Net Gain (Loss) on Derivatives (net of tax benefit of $51.5; $17.0; $19.2)
(197.0)(64.1)(71.4)
Change in Foreign Currency Translation Adjustment (net of tax expense (benefit) of $1.1; $0.9; $(0.1))
(21.9)69.0 (116.0)
Change in Unrecognized Pension and Postretirement Benefit Costs (net of tax expense (benefit) of $12.0; $(2.7); $18.9)
5.5 (11.6)61.9 
Total Other Comprehensive Income
784.3 140.3 1,716.3 
Comprehensive Income
$2,563.4 $1,424.1 $3,123.5 

See notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

Unum Group and Subsidiaries
     
Year Ended December 31
 202420232022
 (in millions of dollars)
Common Stock
Balance at Beginning of Year$19.4 $30.8 $30.7 
Common Stock Activity0.1 0.1 0.1 
Retirement of Treasury Stock
— (11.5)— 
Balance at End of Year19.5 19.4 30.8 
Additional Paid-in Capital
Balance at Beginning of Year1,547.8 2,441.0 2,408.1 
Repurchase of Common Stock(80.3)— — 
Retirement of Treasury Stock— (914.5)— 
Other Common Stock Activity
22.1 21.3 32.9 
Balance at End of Year1,489.6 1,547.8 2,441.0 
Accumulated Other Comprehensive Loss
Balance at Beginning of Year
(3,308.0)(3,448.3)(5,164.6)
Other Comprehensive Income
784.3 140.3 1,716.3 
Balance at End of Year(2,523.7)(3,308.0)(3,448.3)
Retained Earnings
Balance at Beginning of Year
11,431.5 13,141.3 11,989.4 
Net Income1,779.1 1,283.8 1,407.2 
Dividends to Stockholders (per common share: $1.57; $1.39; $1.26)
(296.6)(277.1)(255.3)
Retirement of Treasury Stock— (2,716.5)— 
Balance at End of Year12,914.0 11,431.5 13,141.3 
Treasury Stock
Balance at Beginning of Year(39.3)(3,429.8)(3,229.7)
Repurchases of Common Stock
(899.0)(252.0)(200.1)
Retirement of Treasury Stock
— 3,642.5 — 
Balance at End of Year(938.3)(39.3)(3,429.8)
Total Stockholders' Equity at End of Year$10,961.1 $9,651.4 $8,735.0 

See notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF CASH FLOWS

Unum Group and Subsidiaries
 Year Ended December 31
 202420232022
 (in millions of dollars)
Cash Flows from Operating Activities
Net Income$1,779.1 $1,283.8 $1,407.2 
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities
Change in Receivables623.9 602.7 590.6 
Change in Deferred Acquisition Costs(130.5)(150.8)(135.8)
Change in Insurance Liabilities
(780.9)(313.2)(244.7)
Change in Income Taxes97.6 (84.3)(31.3)
Change in Other Accrued Liabilities(32.3)(74.8)(113.9)
Non-cash Components of Net Investment Income(248.9)(240.3)(247.0)
Net Investment Loss
34.6 36.0 15.7 
Depreciation116.1 108.8 110.5 
Amortization of the Cost of Reinsurance41.4 44.1 50.3 
Other, Net13.1 (9.2)17.1 
Net Cash Provided by Operating Activities1,513.2 1,202.8 1,418.7 
Cash Flows from Investing Activities
Proceeds from Sales of Fixed Maturity Securities877.3 1,062.7 559.5 
Proceeds from Maturities of Fixed Maturity Securities1,483.0 1,578.1 1,532.5 
Proceeds from Sales and Maturities of Other Investments332.1 360.0 445.9 
Purchase of Fixed Maturity Securities(2,001.7)(2,991.4)(2,835.3)
Purchase of Other Investments(319.1)(361.2)(482.9)
Net Purchases of Short-term Investments
(842.1)(141.0)(22.6)
Net Increase (Decrease) in Payables for Collateral on Investments
251.8 (98.3)(50.8)
Net Purchases of Property and Equipment(125.7)(134.8)(102.2)
Net Cash Used by Investing Activities(344.4)(725.9)(955.9)
Cash Flows from Financing Activities
Short-term Debt Repayment— (2.0)— 
Issuance of Long-term Debt391.6 — 349.2 
Long-term Debt Repayment(350.0)— (364.0)
Cost Related to Early Retirement of Debt— — (3.6)
Issuance of Common Stock6.0 5.2 4.0 
Repurchase of Common Stock(972.9)(250.1)(200.1)
Dividends Paid to Stockholders(296.5)(277.1)(254.2)
Proceeds from Policyholders' Account Deposits
133.2 143.4 119.8 
Payments for Policyholders' Account Withdrawals
(82.7)(87.0)(72.0)
Cash Received Related to Active Life Volatility Cover Agreement26.7 18.6 5.2 
Other, Net(7.4)(1.1)(2.9)
Net Cash Used by Financing Activities(1,152.0)(450.1)(418.6)
Net Increase in Cash and Bank Deposits
16.8 26.8 44.2 
Cash and Bank Deposits at Beginning of Year146.0 119.2 75.0 
Cash and Bank Deposits at End of Year$162.8 $146.0 $119.2 
See notes to consolidated financial statements.
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Note 1 - Significant Accounting Policies

Basis of Presentation: The accompanying consolidated financial statements of Unum Group and its subsidiaries (the Company) have been prepared in accordance with U.S. generally accepted accounting principles (GAAP). Such accounting principles differ from statutory accounting principles (see Note 18). Intercompany transactions have been eliminated.

Description of Business: We are a leading provider of financial protection benefits in the United States, the United Kingdom, and Poland. Our products include disability, life, accident, critical illness, dental and vision, and other solutions based services. We market our products primarily through the workplace.

We have three principal operating segments: Unum US, Unum International, and Colonial Life. Our other operating segments are Closed Block and Corporate. See Note 15 for further discussion of our operating segments.

Use of Estimates: The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Such estimates and assumptions could change in the future as more information becomes known, which could impact the amounts reported and disclosed herein.

In accordance with standard practice, we regularly review the methodology used in the development of all key estimates. As a result of this review, in 2022, we updated our estimate of the unearned premium reserve for certain of our product lines to utilize a gross unearned premium reserve rather than a net unearned premium reserve. The effect of this change in estimate was to decrease 2022 premium income by $13.4 million and decrease commissions by $1.0 million. This resulted in a decrease to net income of $9.8 million and a decrease to both basic and diluted earnings per share by $0.05.

Fixed Maturity Securities: Fixed maturity securities include long-term bonds and redeemable preferred stocks. Our fixed maturity securities are classified as available-for-sale and reported at fair value. Changes in the fair value of available-for-sale fixed maturity securities, except for amounts related to impairment and credit losses recognized in earnings, are reported as a component of other comprehensive income, net of income tax. Realized investment gains or losses are based upon specific identification of the investments sold.

Interest income is recorded as part of net investment income when earned, using an effective yield method giving effect to amortization of premium and accretion of discount. Included within fixed maturity securities are mortgage-backed and asset-backed securities.  We recognize investment income on these securities using a constant effective yield based on projected prepayments of the underlying loans and the estimated economic life of the securities.  Actual prepayment experience is reviewed periodically, and effective yields are recalculated when differences arise between prepayments originally projected and the actual prepayments received and currently projected.  The effective yield is recalculated on a retrospective basis, and the adjustment is reflected in net investment income. For fixed maturity securities on which collection of investment income is uncertain, we discontinue the accrual of investment income and recognize investment income when interest and dividends are received. Payment terms specified for fixed maturity securities may include a prepayment penalty for unscheduled payoff of the investment.  Prepayment penalties are recognized as investment income when received.

In determining when a decline in fair value below amortized cost of a fixed maturity security is a credit loss, we evaluate available information, both positive and negative, in reaching our conclusions. In particular, we consider the strength of the issuer's balance sheet, its debt obligations and near-term funding requirements, cash flow and liquidity, the profitability of its core businesses, the availability of marketable assets which could be sold to increase liquidity, its industry fundamentals and regulatory environment, and its access to capital markets. Although all available and applicable factors are considered in our analysis, our expectation of recovering the entire amortized cost basis of the security, whether we intend to sell the security, whether it is more likely than not that we will be required to sell the security before recovery of its amortized cost, and whether the security is current on principal and interest payments are the most critical factors in determining whether impairments represent credit losses. The significance of the decline in value is also an important factor, but we generally do not record an impairment loss based solely on this factor, since often other more relevant factors will impact our evaluation of a security.

For securities with a decline in fair value below amortized cost which we intend to sell or more likely than not will be required to sell before recovery in value, the amortized cost of the investment is written down to fair value through earnings, and an impairment loss is recognized in the current period. For securities that we believe are impaired and which we do not intend to
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sell and it is not more likely than not that we will be required to sell before recovery in value, we calculate an allowance for credit losses recognized in earnings which generally represents the difference between the amortized cost of the security and the present value of our best estimate of cash flows expected to be collected, discounted using the effective interest rate implicit in the security at the date of acquisition and limited by the difference between amortized cost and fair value of the security. For fixed maturity securities for which we have recognized an allowance for credit loss through earnings, if through subsequent evaluation there is a significant increase in expected cash flows, the allowance is reduced and is recognized as a reduction to credit losses in the current period. When an allowance for credit losses on a fixed maturity security is recognized, we designate non-accrual status for those securities.  We reverse all previously accrued interest through interest income and use a cash basis method for recognizing any future payments received. See Notes 2 and 3.

Mortgage Loans: Mortgage loans are generally held for investment and are carried at amortized cost less an allowance for expected credit losses. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. Prepayment penalties are recognized as investment income when received. For mortgage loans on which collection of interest income is uncertain, we discontinue the accrual of interest and recognize it in the period when an interest payment is received. We typically do not resume the accrual of interest on mortgage loans on nonaccrual status until there are significant improvements in the underlying financial condition of the borrower. We consider a loan to be delinquent if full payment is not received in accordance with the contractual terms of the loan.

We evaluate each of our mortgage loans individually for impairment and assign an internal credit quality rating based on a comprehensive rating system used to evaluate the credit risk of the loan. Although all available and applicable factors are considered in our analysis, loan-to-value and debt service coverage ratios are the most critical factors in determining impairment. We estimate an allowance for credit losses that we expect to incur over the life of our mortgage loans using a probability of default method. For each loan, we estimate the probability that the loan will default before its maturity (probability of default) and the amount of the loss if the loan defaults (loss given default). These two factors result in an expected loss percentage that is applied to the amortized cost of each loan to determine the expected credit loss. As we are typically the original underwriter of the mortgage loans, the amortized cost generally equals the principal amount of the loan. We measure losses on defaults of our mortgage loans as the excess amortized cost of the mortgage loan over the fair value of the underlying collateral in the event that we foreclose on the loan or over the expected future cash flows of the loan if we retain the mortgage loan until payoff. We do not purchase mortgage loans with existing credit impairments.

In estimating the probability of default, we consider historical experience, current market conditions, and reasonable and supportable forecasts about the future market conditions. We utilize our historical loan experience in combination with a large third-party industry database for a period of time that aligns with the average life of our loans based on the maturity dates of the loans and prepayment experience. Our model utilizes an industry database of the historical loss experience based on our actual portfolio characteristics such as loan-to-value, debt service coverage, collateral type, geography, and late payment history. In addition, because we actively manage our portfolio, we may extend the term of a loan in certain situations and will accordingly extend the maturity date in the estimate of probability of default. In estimating the loss given default, we primarily consider the type and value of collateral and secondarily the expected liquidation costs and time to recovery.

The primary market factors that we consider in our forecast of future market conditions are gross domestic product, unemployment rates, interest rates, inflation, commercial real estate values, household formation, and retail sales. We also forecast certain loan specific factors such as growth in the fair value and net operating income of collateral by property type. We include our estimate of these factors over a two-year period and for the remainder of the loans’ estimated lives, adjusted for estimated prepayments. Past the two-year forecast period, we revert to the historical assumptions ratably by the end of the fifth year of the loan after which we utilize only historical assumptions.

We utilize various scenarios to estimate our allowance for expected losses ranging from a base case scenario that reflects normal market conditions to a severe case scenario that reflects adverse market conditions. We will adjust our allowance each period to utilize the scenario or weighting of the scenarios that best reflects our view of current market conditions. Additions and reductions to our allowance for credit losses on mortgage loans are reported as a component of net investment gains and losses. See Note 3.

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Note 1 - Significant Accounting Policies - Continued

Policy Loans: Policy loans are presented at the unpaid balances directly related to policyholders. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. Included in policy loans are $3,313.6 million and $3,322.5 million of policy loans ceded to reinsurers at December 31, 2024 and 2023, respectively.

Other Long-term Investments: Other long-term investments are comprised primarily of private equity partnerships, real estate, perpetual preferred stock, common stock, tax credit partnerships, and derivatives - which are described in "Derivative Financial Instruments" below.

Our investments in private equity partnerships are passive in nature and represent funds that are primarily invested in private credit, private equity, and real assets. We account for our investments in these partnerships using either the equity method or at fair value through net income depending on the level of ownership and the degree of our influence over partnership operating and financial policies. For investments in partnerships accounted for under the equity method, we report our investments at our share of the partnership's net asset value (NAV) and record our portion of partnership earnings as a component of net investment income. For investments in partnerships accounted for at fair value through net income, we also report our investments at our share of the partnership's NAV as a practical expedient for fair value with increases or decreases recorded as a component of net investment income. Distributions received from the funds arise from income generated by the underlying investments as well as the liquidation of the underlying investments and there is generally not a public market for these investments.

Investment real estate is primarily comprised of property held for the production of income and property held for sale. Property held for the production of income is carried at cost less accumulated depreciation and any write-downs to fair value for impairment losses. Depreciation is recorded on a straight-line basis over the estimated useful life of the asset. A review for impairment is made whenever events or circumstances indicate that the carrying value may not be recoverable. An impairment loss is recognized when the carrying value of the property exceeds the expected undiscounted cash flows generated from the property, at which point the carrying value is written down to an estimated fair value. Real estate held for sale is carried at the lower of depreciated cost or fair value less estimated selling costs and is not further depreciated once classified as such.

Our perpetual preferred stocks are valued at fair value, based on quoted market prices, where available. For preferred stocks not actively traded, fair values are estimated using values obtained from independent pricing services. Our investments in common stock are valued at fair value. Our shares of Federal Home Loan Bank (FHLB) common stock are carried at cost, which approximates fair value.

Tax credit partnerships in which we have invested were formed for the purpose of investing in the construction and rehabilitation of low-income housing.  Because the partnerships are structured such that there is no return of principal, the primary sources of investment return from our tax credit partnerships are tax credits and tax benefits derived from passive losses on the investments, both of which may exhibit variability over the life of the investment.  These partnerships are accounted for using either the proportional or the effective yield method, depending primarily on whether the tax credits are guaranteed through a letter of credit, a tax indemnity agreement, or another similar arrangement. Tax credits received from these partnerships are reported in our consolidated statements of income as either a reduction of premium tax or a reduction of income tax. The amortization of the principal amount invested in these partnerships is reported as a component of either premium tax or income tax.

See Notes 2, 3, and 4 for further discussion of our other long-term investments.

Short-term Investments: Short-term investments are carried at cost. Short-term investments include investments maturing within one year of purchase, such as corporate commercial paper and Treasury bills, bank term deposits, and other cash accounts and cash equivalents earning interest.

Cash and Bank Deposits: Cash and bank deposits include cash on hand and non-interest bearing cash and deposit accounts.

Derivative Financial Instruments: Derivative financial instruments (including certain derivative instruments embedded in other contracts) are recognized as either other long-term investments or other liabilities in our consolidated balance sheets and are reported at fair value. The accounting for a derivative depends on whether it has been designated and qualifies as part of a
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Note 1 - Significant Accounting Policies - Continued

hedging relationship, and further, on the type of hedging relationship. To qualify for hedge accounting, at the inception of the hedging transaction, we formally document the risk management objective and strategy for undertaking the hedging transaction, as well as the designation of the hedge as either a fair value hedge or a cash flow hedge. Included in this documentation is how the hedging instrument is expected to hedge the designated risk related to specific assets or liabilities on the balance sheet or to specific forecasted transactions as well as a description of the method that will be used to retrospectively and prospectively assess the hedging instrument's effectiveness.

A derivative designated as a hedging instrument must be assessed as being highly effective in offsetting the designated risk of the hedged item. Hedge effectiveness is formally assessed at inception and periodically throughout the life of the designated hedging relationship, using qualitative and quantitative methods. Qualitative methods include comparison of critical terms of the derivative to the hedged item. Quantitative methods include regression or other statistical analysis of changes in fair value or cash flows associated with the hedge relationship.

Changes in the fair value of a derivative designated as a fair value hedge and changes in the fair value of the hedged item attributable to the risk being hedged are recognized in earnings as a component of net investment gain or loss during the period of change in fair value.  For gains or losses on the derivative instrument that are excluded from the assessment of hedge effectiveness, those gains and losses are recognized in other comprehensive income or loss and amortized into earnings in the same income statement line as the related hedged item. The gain or loss on the termination of a fair value hedge is recognized in earnings as a component of net investment gain or loss during the period in which the termination occurs. When interest rate swaps are used in hedge accounting relationships, periodic settlements are recorded in the same income statement line as the related settlements of the hedged items.

Changes in the fair value of a derivative designated as a cash flow hedge are reported in other comprehensive income and reclassified into earnings and reported on the same income statement line item as the hedged item and in the same period or periods during which the hedged item affects earnings. The gain or loss on the termination of an effective cash flow hedge is reported in other comprehensive income and reclassified into earnings and reported on the same income statement line item as the hedged item and in the same period or periods during which the hedged item affects earnings.

Gains or losses on the termination of ineffective fair value or cash flow hedges are reported in earnings as a component of net investment gain or loss. In the event a hedged item is disposed of or the anticipated transaction being hedged is no longer likely to occur, we will terminate the related derivative and recognize the gain or loss on termination in current earnings as a component of net investment gain or loss. In the event a hedged item is disposed of subsequent to the termination of the hedging transaction, we reclassify any remaining gain or loss on the hedge out of accumulated other comprehensive income (loss) (AOCI) into earnings as a component of the same income statement line item wherein we report the gain or loss on disposition of the hedged item.

For a derivative not designated as a hedging instrument, changes in the fair value of the derivative, together with the payment of periodic fees, if applicable, are recognized in the same income statement line item as the hedged item during the period of change in fair value.

Cash flows related to derivative contracts are included in the consolidated statements of cash flows, coinciding with the timing of the underlying exposure. Cash inflows are included as a component of proceeds from sales and maturities of other investments. Cash outflows are included as a component of purchases of other investments.

In our consolidated balance sheets, we do not offset fair value amounts recognized for derivatives executed with the same counterparty under a master netting agreement and fair value amounts recognized for the right to reclaim cash collateral or the obligation to return cash collateral arising from those master netting agreements. See Notes 2, 3, and 4.

Fair Value Measurement: Certain assets and liabilities are reported at fair value in our consolidated balance sheets and in our notes to our consolidated financial statements. We define fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Therefore, fair value represents an exit price, not an entry price. The exit price objective applies regardless of our intent and/or ability to sell the asset or transfer the liability at the measurement date. Assets or liabilities with readily available actively quoted prices or for
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Unum Group and Subsidiaries

Note 1 - Significant Accounting Policies - Continued

which fair value can be measured from actively quoted prices in active markets generally have more pricing observability and less judgment utilized in measuring fair value. When actively quoted prices are not available, fair values are based on quoted prices in markets that are not active, quoted prices for similar but not identical assets or liabilities, or other observable inputs. If observable inputs are not available, unobservable inputs and/or adjustments to observable inputs requiring management judgment are used to determine fair value. We categorize our assets and liabilities measured at estimated fair value into a three-level hierarchy, based on the significance of the inputs. The fair value hierarchy gives the highest priority to inputs which are unadjusted and represent quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). See Note 2.

Allowance for Credit Losses on Premiums Receivable: We establish an allowance for credit losses on premiums receivable, which is deducted from the gross amount of our receivable balance, to present the net amount we expect to collect on this asset. The allowance is forward-looking in nature and is calculated based on considerations regarding both historical events and future expectations. Periodic changes in the allowance are recorded through earnings.

The allowance on our premiums receivable is primarily determined using an aging analysis as well as historical lapse and delinquency rates by product line, adjusted for key factors that may impact our future expectation of premium receipts such as changes in customer demographics, business practices, economic conditions, and product offerings. We write off premiums receivable amounts when determined to be uncollectible, which is based on various factors, including the aging of premiums receivable past the due date and specific communication with customers. At December 31, 2024, and 2023, the allowance for expected credit losses on premiums receivable was $26.8 million and $29.5 million, respectively, on gross premiums receivable of $584.1 million and $612.4 million, respectively. The decrease in the allowance of $2.7 million during the year ended December 31, 2024 was driven primarily by the decrease in gross premiums receivable. The decrease in the allowance of $3.0 million during the year ended December 31, 2023 was driven primarily by improvements in the age of premiums receivable.

Deferred Acquisition Costs: Incremental direct costs associated with the successful acquisition of new or renewal insurance contracts have been deferred. Such costs include non-level commissions, other agency compensation, certain selection and policy issue expenses, and certain field expenses. Acquisition costs that do not vary with the production of new business, such as commissions on group products which are generally level throughout the life of the policy, are excluded from deferral.

Our insurance contracts are grouped by product type and contract issue year into cohorts consistent with the grouping used to estimate the related contract liabilities. Deferred acquisition costs (DAC) are amortized on a constant level basis over the life of the policy. For all products, in-force volume metrics are used as the constant level basis. The lapse and mortality assumptions used to amortize DAC for our traditional long-duration products are consistent with the assumptions used to estimate the liability for future policy benefits. The underlying assumptions used to determine DAC amortization are updated concurrently with any related assumption changes for the liability for future policy benefits and changes in estimates are recognized prospectively over the remaining expected term of the related contracts. Amortization expense is adjusted based on actual versus expected experience through an adjustment to the prospective rate of amortization.

For certain products, policyholders can elect to modify product benefits, features, rights, or coverages by exchanging a contract for a new contract or by amendment, endorsement, or rider to a contract, or by the election of a feature or coverage within a contract. These transactions are known as internal replacement transactions, principally on group contracts. Internal replacement transactions wherein the modification does not substantially change the policy are accounted for as continuations of the replaced contracts. The original policy continues to be reflected as an in-force policy within its original cohort. The policy's expected life then impacts the amortization of remaining unamortized deferred acquisition costs within its cohort. The costs of replacing the policy are accounted for as policy maintenance costs and expensed as incurred. Internal replacement transactions that result in a policy that is substantially changed are accounted for as an extinguishment of the original policy and the issuance of a new policy. The original policy that was replaced is terminated from its original cohort and this termination is reflected in the amortization rate of remaining unamortized deferred acquisition costs for the cohort. The costs of acquiring the new policy are capitalized and amortized as part of a new cohort. See Note 8.

Goodwill: Goodwill is the excess of the amount paid to acquire a business over the fair value of the net assets acquired. We review the carrying amount of goodwill for impairment on an annual basis, or more frequently if events or changes in
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Note 1 - Significant Accounting Policies - Continued

circumstances indicate that the carrying amount might not be recoverable. Goodwill impairment testing compares the fair value of a reporting unit with its carrying amount, including goodwill.  If the fair value of the reporting unit to which the goodwill relates is less than the carrying amount of the reporting unit, an impairment charge is recognized for the amount by which the carrying amount exceeds the fair value of the reporting unit in an amount not to exceed the total amount of goodwill allocated to the reporting unit. 

Property and Equipment: Property and equipment is reported at cost less accumulated depreciation, which is calculated on the straight-line method over the estimated useful life. The accumulated depreciation for property and equipment was $1,501.3 million and $1,422.8 million as of December 31, 2024 and 2023, respectively.

Value of Business Acquired: Value of business acquired represents the present value of future profits recorded in connection with the acquisition of a block of insurance policies. The asset is amortized based upon expected future premium income for non-interest sensitive insurance policies and estimated future gross profits from surrender charges, mortality margins, investment returns, and expense margins for interest sensitive insurance policies. The value of business acquired, which is included in other assets in our consolidated balance sheets, was $55.1 million and $63.9 million at December 31, 2024 and 2023, respectively. The accumulated amortization for value of business acquired was $165.5 million and $161.8 million as of December 31, 2024 and 2023, respectively.

The amortization of value of business acquired, which is included in other expenses in the consolidated statements of income, was $6.2 million, $5.2 million, and $4.9 million for the years ended December 31, 2024, 2023, and 2022, respectively. We
periodically review the carrying amount of value of business acquired and it is subject to recoverability testing.

Future Policy Benefits: Liabilities for future policy benefits represent the cost of claims that we estimate we will eventually pay to our policyholders which includes policy liabilities for claims not yet incurred and for claims that have been incurred or are estimated to have been incurred but not yet reported to us. Liabilities for future policy benefits also include the related expenses for our non interest-sensitive life and accident and health products. The liability for future policy benefits is calculated based on the present value of the estimated future policy benefits less the present value of estimated future net premiums collected. Net premiums represent the portion of the gross premium required to provide for all benefits and expenses, excluding acquisition costs or any costs that are required to be charged to expense as incurred. In calculating the liability for future policy benefits, our long-duration contracts are grouped into cohorts by product type and contract issue year.

The calculation of the liability for future policy benefits involves numerous assumptions including assumptions related to discount rate, lapses, mortality, and morbidity. The discount rate assumptions were initially set based on the expected investment yield of the assets supporting the reserves at the transition date of accounting standards update (ASU) 2018-12, which was January 1, 2021, for policies originally issued before the transition date. The discount rate assumptions for new cohorts established after the transition date, are initially set based on the policy issuance date or policy renewal date, and are based on an upper-medium grade fixed-income instrument, which is generally equivalent to a single-A interest rate matched to the duration of our insurance liabilities. As cohorts are grouped by product type and issue year, a weighted average discount rate is utilized as policies are issued or renewed throughout the year. We utilize a reference portfolio of fixed-income instruments that have been A-rated by one of the major credit rating agencies. For products with liability cash flows that exceed the duration of observable single-A fixed income instruments, we use the last market observable yield and use extrapolation approaches to determine yield assumptions for durations beyond the last market observable duration. For the discount rate assumptions for products in our Unum International segment, we utilize observable market data in the local debt markets in the UK and Poland.

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Note 1 - Significant Accounting Policies - Continued

The initial, also referred to as the original, discount rate assumptions established for each cohort are used to determine interest accretion which is reported as a component of policy benefits on the statements of income. After policy issuance or policy renewal, the discount rate assumptions are updated quarterly and used to update the liability at each reporting date to the current discount rate, with the corresponding change reflected as the change in the effect of discount rate assumptions on the liability for future policy benefits, net of reinsurance, on the statement of changes in other comprehensive income (loss). Policyholder lapse and mortality assumptions reflect the probability that an insureds’ coverage is discontinued due to lapsation or death of the insured. For our life insurance products, mortality assumptions also reflect the probability that a benefit payment occurs. Policyholder lapse and mortality assumptions are based on our actual historical experience adjusted for future expectations. Claim incidence and claim resolution rate assumptions related to morbidity and mortality are based on actual experience or industry standards adjusted as appropriate to reflect our actual experience and future expectations. The claim incidence rate assumption is the rate at which new claims are submitted and the development of this assumption may involve many factors, including the age of the insured, the insured's occupation or industry, the benefit plan design, and certain external factors such as consumer confidence and levels of unemployment. The claim resolution rate assumption is the probability that a claim will close due to recovery or death of the insured and is used to estimate how long benefits will be paid on an open claim. Certain product lines may utilize additional assumptions in calculating the liability for future policy benefits in addition to those listed above such as premium rate increases for long-term care, benefit offsets for long-term disability, and claim costs for voluntary benefits. Claim costs capture the combined effect of the incidence rate, the expected level of benefit to be paid, and the claim resolution rate.

Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently if necessary based on trending experience and future expectations. On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience. The updated cash flows are used to determine the updated net premiums and the net premium ratio, which is the present value of benefits and related expenses divided by the present value of gross premiums. The updated net premium ratio is used to calculate the updated liability for future policy benefits as of the beginning of the year, at the original discount rate. The change in the liability for future policy benefits, at the original discount rate, as of the beginning of the period, resulting from changes in cash flow assumptions and resulting from the emergence of actual experience from expected experience, is reflected as the policy benefits - remeasurement loss (gain) in the consolidated statements of income. The impact of all other changes in the liability for future policy benefits are reflected as policy benefits in the consolidated statements of income.

For most products, a net premium methodology is applied to each cohort to estimate the liability for claims not yet incurred in which discounted gross benefits are compared to discounted gross premiums. In this methodology, actual experience to date is combined with projected future cash flows to determine a net premium ratio for each cohort. The future cash flows include the costs of future expected claims as well as future cash flows on claims that have already been incurred. The net premium ratio is then used to estimate the liability for future policy benefits. The liability for future policy benefits represents the present value of future claims and associated expenses less the present value of future net premiums, which is derived by multiplying the present value of future gross premium by the net premium ratio.

For our group products in the Unum US and Unum International segments, we evaluate the liability for future policy benefits required for active policies in comparison to incurred claims. Given the term nature of the products, their renewal features, and level funding nature of the premium for these products, we have determined that the liability value is generally zero for policies that are not on claim. For these products, our liability for future policy benefit values are limited to the liability associated with claims incurred as of the valuation date.

Multiple estimation methods exist to establish liabilities for the incurred claim component of future policy benefits. Available reserving methods utilized to calculate these liabilities include the tabular reserve method, the paid loss development method, the incurred loss development method, the count and severity method, and the expected claim cost method. No single method is better than the others in all situations and for all product lines. The estimation methods we have chosen are those that we believe produce the most accurate and reliable liability.

We use a tabular reserve methodology on reported claims for our Unum US group long-term disability and individual disability claims as well as for our Closed Block long-term care claims. Under the tabular reserve methodology, the liability for reported claims is based on certain characteristics of the actual reported claimants and their related policy provisions, such
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Note 1 - Significant Accounting Policies - Continued

as age, length of time disabled, and medical diagnosis, as well as assumptions regarding claim duration, discount rate, and policy benefit offsets. We believe the tabular reserve method is the most accurate to calculate long-term liabilities and allows us to use the most available known facts about each claim. Incurred, but not reported (IBNR) liabilities for future policy benefits for our longer-term products are calculated using the count and severity method using historical patterns of the claims to be reported and the associated claim costs. For Unum US group short-term disability products, an estimate of the value of future payments to be made on claims already submitted, as well as on IBNR claims, is determined in aggregate using a paid loss development method rather than on the individual claimant basis that we use for reported claims on longer-term products. The average length of time between the event triggering a claim under a policy and the final resolution of those claims is much shorter for these products and results in less estimation variability.

Liabilities for claims for Unum US group life and accidental death and dismemberment products are related primarily to death claims reported but not yet paid, IBNR death claims, and a liability for waiver of premium benefits in the event the policyholder becomes disabled. The death claim liability is based on the actual face amount to be paid, the IBNR liability is calculated using the count and severity method based on historical patterns of the claims, and the waiver of premium benefits liability is calculated using the tabular reserve methodology.

Liabilities for claims related to the group and individual dental and vision products reported in our Unum US and Colonial Life segments have a short claim payout period. As a result, the liabilities, which primarily represent IBNR and a small amount of claims pending payment, are calculated using the paid loss development method.

Liabilities for future policy benefits supporting the group products within our Unum International segment are calculated using generally the same methodology that we use for Unum US group disability and group life liabilities. Liabilities for future policy benefits for our Unum UK group life dependent product, which provides an annuity to the beneficiary upon the death of an employee, are calculated using discounted cash flows, based on our assumptions for claim duration and discount rates. The assumptions used in calculating liabilities for future policy benefits for this segment are based on standard country-specific industry experience, adjusted for our own experience.

Certain products in the Colonial Life segment and the Unum US voluntary benefits product line have shorter-term benefits, which generally have less estimation variability than our longer-term products because of the shorter claim payout period. Our liabilities for future policy benefits for these lines of business are predominantly determined using the incurred loss development method based on our own experience. The incurred loss development method uses the historical patterns of payments by loss date to predict future claim payments for each loss date. Where the incurred loss development method may not be appropriate, we estimate the incurred claims using an expected claim cost per policy or other measure of exposure. See Note 6.

Policyholders' Account Balances: Policyholders' account balances primarily include our universal life and corporate-owned life insurance products. Policyholders' account balances reflect customer deposits and interest credited less cost of insurance, administration expenses, surrender charges, and customer withdrawals. Our unearned revenue reserve, claim reserves and certain other reserves related to our universal life products and corporate-owned life insurance products are also reported as a component of policyholders’ account balances. Policyholders' account balances require loss recognition testing. We perform loss recognition tests on these reserves annually, or more frequently if appropriate, using best estimate assumptions as of the date of the test, without a provision for adverse deviation. We group the policy reserves for each major product line within a reportable segment when we perform the loss recognition tests. If the excess of the present value of projected future benefits and claim settlement expenses over the present value of projected future gross premiums is greater than the existing policy reserves less any unearned revenue reserve or value of business acquired, the existing policy reserves would be increased to immediately recognize the insufficiency. This becomes the new basis for reserves going forward, subject to future loss recognition testing. Anticipated investment income, based on our anticipated portfolio yield rates after consideration for defaults and investment expenses, is considered when performing loss recognition testing for long-duration contracts. See note 7.

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Note 1 - Significant Accounting Policies - Continued

Other Policyholders' Funds: Other policyholders' funds represent customer deposits plus interest credited at contract rates. We control interest rate risk by investing in quality assets which have an aggregate duration that closely matches the expected duration of the liabilities.

Income Tax: Deferred taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial statement purposes and the amounts used for income tax purposes. Deferred taxes have been measured using enacted statutory income tax rates and laws that are currently in effect. We record adjustments to our deferred taxes resulting from tax rate changes through income as of the date of enactment. We record deferred tax assets for tax positions taken in the U.S. and other tax jurisdictions based on our assessment of whether a position is more likely than not to be sustained upon examination based solely on its technical merits.  A valuation allowance is established for deferred tax assets when it is more likely than not that an amount will not be realized. We record tax expense related to Global Intangible Low-Taxed Income in the period in which it is incurred. We follow an aggregate portfolio approach to release disproportionate tax effects from AOCI upon disposal of an entire portfolio. See Note 9.

Short-term and Long-term Debt: Debt is generally carried at the unpaid principal balance, net of unamortized discount or premium and deferred debt issuance costs. Short-term debt consists of debt due within the next twelve months, including that portion of debt otherwise classified as long-term. The amortization of the original issue discount or premium as well as deferred debt issuance costs are recognized as a component of interest expense over the period the debt is expected to be outstanding. See Note 10.

Right-of-Use Asset (ROU) and Lease Liability: ROU assets represent our right to use an underlying asset for a specified lease term and are included in other assets in our consolidated balance sheet. Lease liabilities represent the present value of lease payments that we are obligated to pay arising from a lease and are included in other liabilities in our consolidated balance sheets.

We determine if an arrangement is a lease at inception through a formal process that evaluates our right to control the use of an identified asset for a period of time in exchange for consideration. We account for the lease and non-lease components of our building leases separately and have elected to use the available practical expedient to account for the lease and non-lease components of our equipment leases as a single component. All of our leases are classified as operating. For each operating lease, we calculate a lease liability at commencement date based on the present value of lease payments over the lease term and a corresponding ROU asset, adjusted for lease incentives. We do not recognize ROU assets and lease liabilities that arise from short-term leases for any class of underlying asset.

We consider the likelihood of renewal in determining the lease terms for the calculation of the ROU asset and lease liability. As most of our leases do not provide an implicit rate of interest, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. We use the implicit rate of interest when readily determinable.

Operating lease cost is calculated on a straight-line basis over the lease term and is included in other expenses in our consolidated statements of income. We amortize the ROU asset over the lease term on a pattern determined by the difference between the straight-line lease liability expense and the accretion of the imputed interest calculated on the lease liability. See Note 17.

Treasury Stock and Retirement of Common Stock: Treasury stock is reflected as a reduction of stockholders' equity at cost when repurchased shares are settled. When shares are retired, the par value is removed from common stock, and the excess of the repurchase price over par is allocated between additional paid-in capital and retained earnings. See Note 12.

Revenue Recognition: Our non-interest sensitive life and accident and health products are long-duration contracts, and premium income is recognized as revenue when due from policyholders. If the contracts are experience rated, the estimated ultimate premium is recognized as revenue over the period of the contract. The estimated ultimate premium, which is revised to reflect current experience, is based on estimated claim costs, expenses, and profit margins.

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For interest sensitive products, the amounts collected from policyholders are considered deposits, and only the deductions during the period for cost of insurance, policy administration, and surrenders are included in revenue. Policyholders' funds represent funds deposited by contract holders and are not included in revenue.

Fees from our solutions business, which include leave management services and administrative-services only business are reported as other income when services are rendered.

Reinsurance: We routinely enter into reinsurance agreements with other insurance companies to spread risk and thereby limit losses from large exposures. For each of our reinsurance agreements, we determine if the agreement provides indemnification against loss or liability relating to insurance risk in accordance with applicable accounting standards. If we determine that a reinsurance agreement does not expose the reinsurer to a reasonable possibility of a significant loss from insurance risk, we record the agreement using the deposit method of accounting.

Reinsurance activity is accounted for on a basis consistent with the terms of the reinsurance contracts and the accounting used for the original policies issued. Premium income, policy benefits, and policy benefits - remeasurement gain or loss are presented in our consolidated statements of income net of reinsurance ceded. Ceded liabilities for future policy benefits, policyholders' account balances and unearned premiums are reported on a gross basis in our consolidated balance sheets, as are ceded policy loans. Our reinsurance recoverable includes the balances due from reinsurers under the terms of the reinsurance agreements for these ceded balances as well as settlement amounts currently due.

For ceded reinsurance transactions occurring after January 1, 2021, the transition date of ASU 2018-12, in accordance with the provisions of the ASU related to non-contemporaneous reinsurance, we are required to establish the ceded reserves using an upper-medium grade fixed-income instrument as of the reinsurance transaction date. However, the direct reserves for the reinsured block are calculated using the original discount rate utilized as of the transition date. Both the direct and ceded reserves are then remeasured at each reporting period using a current discount rate reflective of an upper-medium grade fixed-income instrument, with the changes recognized in other comprehensive income(loss). While the total equity impact is neutral, the different original discount rates utilized for direct and ceded reserves result in disproportionate earnings impacts.
Where applicable, gains or costs recognized on reinsurance transactions are generally deferred and amortized into earnings based upon expected future premium income for non-interest sensitive insurance policies and estimated future gross profits for interest sensitive insurance policies. Gains or costs recognized on reinsurance transactions for non-interest sensitive products for which we no longer receive premiums are generally deferred and amortized into earnings based upon expected claim reserve patterns. The cost of reinsurance included in other assets in our consolidated balance sheets at December 31, 2024 and 2023 was $508.0 million and $549.4 million. The deferred gain on reinsurance included in other liabilities in our consolidated balance sheets at December 31, 2024 and 2023 was $4.9 million and $8.8 million, respectively.

Under ceded reinsurance agreements wherein we are not relieved of our legal liability to our policyholders, if the assuming reinsurer is unable to meet its obligations, we remain contingently liable. We evaluate the financial condition of reinsurers and monitor concentration of credit risk to minimize this exposure. We may also require assets in trust, letters of credit, or other acceptable collateral to support our reinsurance recoverable balances. We estimate an allowance for expected credit losses for our reinsurance recoverable balance using a probability of default approach which incorporates key inputs and assumptions regarding market factors, counterparty credit ratings, and collateral received. When calculating our allowance, we apply these market factors to the net amount of our credit exposure, which considers collateral arrangements such as letters of credit and trust accounts. We evaluate the factors used to determine our allowance on a quarterly basis to consider material changes in our assumptions and make adjustments accordingly. The allowance for expected credit losses on reinsurance recoverable was $1.5 million at December 31, 2024 and $1.7 million at December 31, 2023. See Note 14.

Premium Tax Expense: Premium tax expense is included in other expenses in the consolidated statements of income. For the years ended December 31, 2024, 2023, and 2022, premium tax expense was $194.5 million, $183.5 million, and $169.3 million, respectively.

Stock-Based Compensation: Restricted stock units and stock success units are valued based on the fair value of common stock at the grant date. The fair value of performance units and cash incentive units is based on the Monte-Carlo valuation model. We evaluate whether there are any events which would require an adjustment to the price of common stock at the grant
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Note 1 - Significant Accounting Policies - Continued

date. No adjustments have been made to any grant date prices for any awards as of December 31, 2024 or 2023. Stock-based awards are expensed over the requisite service period, or for performance units over the requisite service period, or remaining service period, if and when it becomes probable that the performance conditions will be satisfied, with an offsetting increase to additional paid-in capital in stockholders' equity. The expense for certain of our awards is subject to accelerated recognition over the implicit service period for employees who have met the criteria for retirement eligibility. Forfeitures of stock-based awards are recognized as they occur. See Note 13.

Earnings Per Share: We compute basic earnings per share by dividing net income by the weighted average number of common shares outstanding for the period. Earnings per share assuming dilution is computed by dividing net income by the weighted average number of shares outstanding for the period plus the shares representing the dilutive effect of stock-based awards. In computing earnings per share assuming dilution, only potential common shares resulting from stock-based awards that are dilutive (those that reduce earnings per share) are included. We use the treasury stock method to account for the effect of nonvested stock awards on the computation of earnings per share assuming dilution. See Note 12.

Translation of Foreign Currency: Revenues and expenses of our foreign operations are translated at average exchange rates. Assets and liabilities are translated at the rate of exchange on the balance sheet dates. The translation gain or loss is generally reported in AOCI, net of income tax. We do not provide for deferred taxes to the extent unremitted foreign earnings are deemed permanently invested.

Accounting for Participating Individual Life Insurance: Participating policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual to a stock life insurance company will remain participating as long as the policies remain in-force. A Participation Fund Account (PFA) was established for the benefit of all such individual participating life and annuity policies and contracts. The assets of the PFA provide for the benefit, dividend, and certain expense obligations of the participating individual life insurance policies and annuity contracts. The assets of the PFA were $231.3 million and $244.4 million at December 31, 2024 and 2023, respectively.

Accounting Updates Adopted in 2024:

ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures

The amendments in this update enhanced disclosures of significant expenses for reportable segments. Specifically, the update added a requirement to disclose significant expenses that are regularly provided to the Chief Operating Decision Maker (CODM) and are included in each reported measure of segment profit or loss. This update required the disclosure of the title and position of the CODM as well as an explanation of how they use the reported measure(s) to assess segment performance and make decisions about allocating resources. The update also required the disclosure of the amount and composition of other segment items, which is the difference between reported segment revenues less the significant segment expenses. The amendments in this update allow for the disclosure of more than one measure of segment profit or loss, provided that at least one of the reported measures includes the segment profit or loss measure that is most consistent with GAAP measurement principles.

The amendments in this update were applied retrospectively in the annual period ended as of December 31, 2024, and will be applied retrospectively for interim periods beginning January 1, 2025. The adoption of this update modified our disclosures but did not have an impact on our financial position or results of operations.

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Note 1 - Significant Accounting Policies - Continued

ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting and related amendments

The amendments in this update provided optional guidance, for a limited period of time, to ease the potential burden in accounting for and recognizing the effects of reference rate reform on financial reporting. The guidance allowed for various practical expedients and exceptions when applying GAAP to contracts, hedging relationships, and other transactions affected either by discontinued rates as a direct result of reference rate reform or a market-wide change in interest rates used for discounting, margining or contract price alignment, if certain criteria are met. Specifically, the guidance provided certain practical expedients for contract modifications, fair value hedges, and cash flow hedges, and also provided certain exceptions related to changes in the critical terms of a hedging relationship. The guidance also allowed for a one-time election to sell or transfer debt securities that were both classified as held-to-maturity prior to January 1, 2020 and referenced a rate affected by the reform.

The adoption of this update was permitted as of the beginning of the interim period that includes March 12, 2020 (the issuance date of the update), or any date thereafter, through December 31, 2024, at which point the guidance sunset. We have elected practical expedients for contracts impacted by reference rate reform which did not result in a material impact on our financial position or results of operations.

Accounting Updates Adopted in 2023:

ASU 2022-02, Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures

The amendments in this update eliminated the troubled debt restructuring recognition and measurement guidance and instead required that an entity evaluate whether the modification represents a new loan or the continuation of an existing loan. The amendments also enhanced the disclosure requirements related to certain modifications of receivables made to borrowers experiencing financial difficulty. In addition, the amendments in this update required that an entity disclose current-period gross write-offs by year of origination for financing receivables and net investment in leases.

The amendments in this update were applied prospectively in the period of adoption as of January 1, 2023. The adoption of this update modified our disclosures but did not have an impact on our financial position or results of operations.

ASU 2018-12, Financial Services—Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts and related amendments

This update significantly amended the accounting and disclosure requirements for long-duration insurance contracts. These changes included a requirement to review, and if necessary, update cash flow assumptions used to measure the liability for future policy benefits for traditional and limited-payment contracts at least annually, with changes recognized in earnings. In addition, an entity is required to update the discount rate assumption at each reporting date using a yield that is reflective of an upper-medium grade fixed-income instrument with changes recognized in other comprehensive income (loss) (OCI). These changes resulted in the elimination of the provision for risk of adverse deviation and premium deficiency (or loss recognition) testing for traditional long-duration insurance contracts. The update also required that an entity measure all market risk benefits associated with deposit contracts at fair value, with changes recognized in earnings except for the portion attributable to a change in the instrument-specific credit risk, which is to be recognized in OCI. This update also simplified the amortization of deferred acquisition costs by requiring amortization on a constant level basis over the expected term of the related contracts. Deferred acquisition costs are required to be written off for unexpected contract terminations, but are no longer subject to an impairment test. Significant additional disclosures are required, which include disaggregated rollforwards of certain liability balances and the disclosure of qualitative and quantitative information about expected cash flows, estimates, and assumptions. We do not have products with market risk benefits.

We adopted this guidance effective January 1, 2023 using the modified retrospective approach with changes applied as of January 1, 2021, also referred to as the transition date. All historically reported information included in our consolidated financial statements and accompanying footnotes were adjusted as of the transition date to reflect the modified retrospective adoption of ASU 2018-12.
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Note 1 - Significant Accounting Policies - Continued
Accounting Updates Adopted in 2022:

ASU 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity

The amendments in this update simplified the accounting for convertible instruments by removing certain separation models in the guidance related to convertible instruments and expanded related disclosure requirements. The amendments also revised the requirements for a contract or embedded derivative that is potentially settled in an entity's own stock to be classified as equity and also amended certain guidance related to the computations of earnings per share for convertible instruments and contracts in an entity's own stock. This guidance was applied in the period of adoption as of January 1, 2022. The adoption of this update did not have an effect on our financial position or results of operations, and did not expand our disclosures.

Accounting Updates Outstanding:

ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures

The amendments in this update require greater disaggregation of income tax disclosures related to the income tax rate reconciliation and income taxes paid. Specifically, the guidance requires additional information that meet a quantitative threshold in specified categories with respect to the reconciliation of the effective tax rate to the statutory tax rate for federal, state, and foreign income taxes. The specified categories are the following: state and local income taxes, foreign tax effects, effect of cross-border tax laws, enactment of new tax laws, nontaxable or nondeductible items, tax credits, changes in valuation allowances, and changes in unrecognized tax benefits. The quantitative threshold for each category is five percent of the amount computed by multiplying income (or loss) from continuing operations before income taxes by the statutory federal income tax rate. In addition, the amendments require additional information pertaining to income taxes paid, net of refunds, to be disaggregated by federal, state and foreign jurisdictions, and further disaggregated for specific jurisdictions to the extent the related amounts exceed a quantitative threshold of five percent of total income taxes paid. The amendments also require disclosures of income (or loss) before income tax expense (or benefit) as domestic or foreign for each annual reporting period.

The amendments eliminate the historic requirement to disclose information regarding unrecognized tax benefits having a reasonable possibility of significantly increasing or decreasing in the twelve months following the reporting date, as well as the requirement to disclose the cumulative temporary differences when a deferred tax liability is not recognized due to certain exceptions under ASC 740.

We will adopt this update effective for the annual period beginning January 1, 2025. The adoption of this update is permitted on a prospective basis or a retrospective basis. The adoption of this update will not have an impact on our financial position or results of operations, but will expand our disclosures effective for the annual period beginning January 1, 2025.

ASU 2024-03, Disaggregation of Income Statement Expenses: Income Statement - Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses and related amendment

The amendments in this update require the disclosure of disaggregation of certain income statement expense line items. Specifically, the guidance requires the disclosure of additional information related to certain expenses, including employee compensation, depreciation and amortization, and certain other expenses included in each income statement line item. The amendments also require the disclosure of both the total amount of selling expenses and a definition of selling expenses.

We will adopt this update effective for the annual period beginning January 1, 2027, and interim periods beginning January 1, 2028. The adoption of this update is permitted on a prospective basis or a retrospective basis. The adoption of this update will expand our disclosures but will not have an impact on our financial position or results of operations.

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Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments
Fair Value Measurements for Financial Instruments Carried at Fair Value

We report fixed maturity securities, which are classified as available-for-sale securities, derivative financial instruments, and unrestricted equity securities at fair value in our consolidated balance sheets. We report our investments in private equity partnerships at our share of the partnerships' NAV per share or its equivalent as a practical expedient for fair value. See Note 1.

The degree of judgment utilized in measuring the fair value of financial instruments generally correlates to the level of pricing observability. Financial instruments with readily available active quoted prices or for which fair value can be measured from actively quoted prices in active markets generally have more pricing observability and less judgment utilized in measuring fair value. An active market for a financial instrument is a market in which transactions for an asset or a similar asset occur with sufficient frequency and volume to provide pricing information on an ongoing basis. A quoted price in an active market provides the most reliable evidence of fair value and should be used to measure fair value whenever available. Conversely, financial instruments rarely traded or not quoted have less observability and are measured at fair value using valuation techniques that require more judgment. Pricing observability is generally impacted by a number of factors, including the type of financial instrument, whether the financial instrument is new to the market and not yet established, the characteristics specific to the transaction, and overall market conditions.

We classify financial instruments in accordance with a fair value hierarchy consisting of three levels based on the observability of valuation inputs:

•Level 1 - the highest category of the fair value hierarchy classification wherein inputs are unadjusted and represent quoted prices in active markets for identical assets or liabilities at the measurement date.

•Level 2 - valued using inputs (other than prices included in Level 1) that are either directly or indirectly observable for the asset or liability through correlation with market data at the measurement date and for the duration of the instrument's anticipated life.

•Level 3 - the lowest category of the fair value hierarchy and reflects the judgment of management regarding what market participants would use in pricing assets or liabilities at the measurement date. Financial assets and liabilities categorized as Level 3 are generally those that are valued using unobservable inputs to extrapolate an estimated fair value.

Valuation Methodologies of Financial Instruments Measured at Fair Value

Valuation techniques used for assets and liabilities accounted for at fair value are generally categorized into three types. The market approach uses prices and other relevant information from market transactions involving identical or comparable assets or liabilities. The income approach converts future amounts, such as cash flows or earnings, to a single present amount, or a discounted amount. The cost approach is based upon the amount that currently would be required to replace the service capacity of an asset, or the current replacement cost.

We use valuation techniques that are appropriate in the circumstances and for which sufficient data are available that can be obtained without undue cost and effort. In some cases, a single valuation technique will be appropriate (for example, when valuing an asset or liability using quoted prices in an active market for identical assets or liabilities). In other cases, multiple valuation techniques will be appropriate. If we use multiple valuation techniques to measure fair value, we evaluate and weigh the results, as appropriate, considering the reasonableness of the range indicated by those results. A fair value measurement is the point within that range that is most representative of fair value in the circumstances.

The selection of the valuation method(s) to apply considers the definition of an exit price and depends on the nature of the asset or liability being valued. For assets and liabilities accounted for at fair value, we generally use valuation techniques consistent with the market approach, and to a lesser extent, the income approach. We believe the market approach provides more observable data than the income approach, considering the type of investments we hold. Our fair value measurements could differ significantly based on the valuation technique and available inputs. When using a pricing service, we obtain the vendor's pricing documentation to ensure we understand their methodologies. We periodically review and approve the selection of our
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Note 2 - Fair Value of Financial Instruments - Continued
pricing vendors to ensure we are in agreement with their current methodologies. When markets are less active, brokers may rely more on models with inputs based on the information available only to the broker. Our internal investment management professionals, which include portfolio managers and analysts, monitor securities priced by brokers and evaluate their prices for reasonableness based on benchmarking to available primary and secondary market information. In weighing a broker quote as an input to fair value, we place less reliance on quotes that do not reflect the result of market transactions. We also consider the nature of the quote, particularly whether it is a bid or market quote. If prices in an inactive market do not reflect current prices for the same or similar assets, adjustments may be necessary to arrive at fair value. When relevant market data is unavailable, which may be the case during periods of market uncertainty, the income approach can, in suitable circumstances, provide a more appropriate fair value. During 2024, we have applied valuation approaches and techniques on a consistent basis to similar assets and liabilities and consistent with those approaches and techniques used at year end 2023.

Fixed Maturity and Equity Securities

We use observable and unobservable inputs in measuring the fair value of our fixed maturity and equity securities. For securities categorized as Level 1, fair values equal active Trade Reporting and Compliance Engine (TRACE) pricing or unadjusted market maker prices. For securities categorized as Level 2 or Level 3, inputs that may be used in valuing each class of securities at any given time period are disclosed below. Actual inputs used to determine fair values will vary for each reporting period depending on the availability of inputs which may, at times, be affected by the lack of market liquidity.

Level 2Level 3
InstrumentObservable InputsUnobservable Inputs
United States Government and Government Agencies and Authorities
Valuation MethodPrincipally the market approachNot applicable
Valuation Techniques / InputsPrices obtained from external pricing services
States, Municipalities, and Political Subdivisions
Valuation MethodPrincipally the market approachPrincipally the market approach
Valuation Techniques / InputsPrices obtained from external pricing servicesAnalysis of similar bonds, adjusted for comparability
Relevant reports issued by analysts and rating agencies
Audited financial statements
Foreign Governments
Valuation MethodPrincipally the market approachPrincipally the market approach
Valuation Techniques / InputsPrices obtained from external pricing servicesAnalysis of similar bonds, adjusted for comparability
Non-binding broker quotes
Call provisions
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Note 2 - Fair Value of Financial Instruments - Continued
Level 2Level 3
InstrumentObservable InputsUnobservable Inputs
Public Utilities
Valuation MethodPrincipally the market and income approachesPrincipally the market and income approaches
Valuation Techniques / InputsPrices obtained from external pricing servicesChange in benchmark reference
Non-binding broker quotesAnalysis of similar bonds, adjusted for comparability
Benchmark yieldsDiscount for size - illiquidity
Transactional data for new issuances and secondary tradesVolatility of credit
Security cash flows and structuresLack of marketability
Recent issuance / supply
Audited financial statements
Security and issuer level spreads
Security creditor ratings/maturity/capital structure/optionality
Public covenants
Comparative bond analysis
Relevant reports issued by analysts and rating agencies
Mortgage/Asset-Backed Securities
Valuation MethodPrincipally the market and income approachesPrincipally the market approach
Valuation Techniques / InputsPrices obtained from external pricing servicesAnalysis of similar bonds, adjusted for comparability
Non-binding broker quotesPrices obtained from external pricing services
Security cash flows and structures
Underlying collateral
Prepayment speeds/loan performance/delinquencies
Relevant reports issued by analysts and rating agencies
Audited financial statements
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Note 2 - Fair Value of Financial Instruments - Continued
Level 2Level 3
InstrumentObservable InputsUnobservable Inputs
All Other Corporate Bonds
Valuation MethodPrincipally the market and income approachesPrincipally the market and income approaches
Valuation Techniques / InputsPrices obtained from external pricing servicesChange in benchmark reference
Non-binding broker quotesDiscount for size - illiquidity
Benchmark yieldsVolatility of credit
Transactional data for new issuances and secondary tradesLack of marketability
Security cash flows and structuresPrices obtained from external pricing services
Recent issuance / supply
Security and issuer level spreads
Security creditor ratings/maturity/capital structure/optionality
Public covenants
Comparative bond analysis
Relevant reports issued by analysts and rating agencies
Audited financial statements
Redeemable Preferred Stocks
Valuation MethodPrincipally the market approachPrincipally the market approach
Valuation Techniques / InputsNon-binding broker quotesFinancial statement analysis
Benchmark yields
Comparative bond analysis
Call provisions
Relevant reports issued by analysts and rating agencies
Audited financial statements
Perpetual Preferred and Equity Securities
Valuation MethodPrincipally the market approachPrincipally the market and income approaches
Valuation Techniques / InputsPrices obtained from external pricing servicesFinancial statement analysis
Non-binding broker quotes

The management of our investment portfolio includes establishing pricing policy and reviewing the reasonableness of sources and inputs used in developing pricing. We review all prices that vary between multiple pricing vendors by a threshold that is outside a normal market range for the asset type.  In the event we receive a vendor's market price that does not appear reasonable based on our market analysis, we may challenge the price and request further information about the assumptions and methodologies used by the vendor to price the security. We may change the selected price based on a better data source such as
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an actual trade. We also review all prices that did not change from the prior month to ensure that these prices are within our expectations. The overall valuation process for determining fair values may include adjustments to valuations obtained from our pricing sources when they do not represent a valid exit price. These adjustments may be made when, in our judgment and considering our knowledge of the financial conditions and industry in which the issuer operates, certain features of the financial instrument require that an adjustment be made to the value originally obtained from our pricing sources. These features may include the complexity of the financial instrument, the market in which the financial instrument is traded, counterparty credit risk, credit structure, concentration, or liquidity. Additionally, an adjustment to the price derived from a model typically reflects our judgment of the inputs that other participants in the market for the financial instrument being measured at fair value would consider in pricing that same financial instrument. In the event an asset is sold, we test the validity of the fair value determined by our valuation techniques by comparing the selling price to the fair value determined for the asset in the immediately preceding month end reporting period.
Certain of our investments do not have readily determinable market prices and/or observable inputs or may at times be affected by the lack of market liquidity. For these securities, we use internally prepared valuations, including valuations based on estimates of future profitability, to estimate the fair value. Additionally, we may obtain prices from independent third-party brokers to aid in establishing valuations for certain of these securities. Key assumptions used by us to determine fair value for these securities include risk free interest rates, risk premiums, performance of underlying collateral (if any), and other factors involving significant assumptions which may or may not reflect those of an active market.

The parameters and inputs used to validate a price on a security may be adjusted for assumptions about risk and current market conditions on a quarter to quarter basis, as certain features may be more significant drivers of valuation at the time of pricing. Changes to inputs in valuations are not changes to valuation methodologies; rather, the inputs are modified to reflect direct or indirect impacts on asset classes from changes in market conditions.

At December 31, 2024, approximately 11.7 percent of our fixed maturity securities were valued using active trades from TRACE pricing or market maker prices for which there was current market activity in that specific security (comparable to receiving one binding quote).  The prices obtained were not adjusted, and the assets were classified as Level 1.

The remaining 88.3 percent of our fixed maturity securities were valued based on non-binding quotes or other observable and unobservable inputs, as discussed below:

•72.3 percent of our fixed maturity securities were valued based on prices from pricing services that generally use observable inputs such as prices for securities or comparable securities in active markets in their valuation techniques. These assets were classified as Level 2. 

•15.3 percent of our fixed maturity securities were valued based on one or more non-binding broker quotes, if validated by observable market data. When only one price is available, it is used if observable inputs and analysis confirms that it is appropriate. These assets, for which we were able to validate the price using other observable market data, were classified as Level 2.

•0.7 percent of our fixed maturity securities were valued based on prices of comparable securities, internal models, or pricing services or other non-binding quotes with no other observable market data. These assets were classified as either Level 2 or Level 3, with the categorization dependent on whether there was other observable market data.  

Derivatives

Fair values for derivatives other than embedded derivatives in modified coinsurance arrangements are based on market quotes or pricing models and represent the net amount of cash we would have paid or received if the contracts had been settled or closed as of the last day of the period. Credit risk related to the counterparty and the Company is considered in determining the fair values of these derivatives. However, since we have collateralization agreements in place with each counterparty which limits our exposure, any credit risk is immaterial. Therefore, we determined that no adjustments for credit risk were required as of December 31, 2024 or 2023.
127
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
Fair values for our embedded derivative in a modified coinsurance arrangement are estimated using internal pricing models and represent the hypothetical value of the duration mismatch of assets and liabilities, interest rate risk, and third party credit risk embedded in the modified coinsurance arrangement.

We consider transactions in inactive markets to be less representative of fair value. We use all available observable inputs when measuring fair value, but when significant unobservable inputs are used, we classify these assets or liabilities as Level 3.

Private Equity Partnerships

Our private equity partnerships represent funds that are primarily invested in private credit, private equity, and real assets, as described below. Distributions received from the funds arise from income generated by the underlying investments as well as the liquidation of the underlying investments. There is generally not a public market for these investments.

The following tables present additional information about our private equity partnerships, including commitments for additional investments which may or may not be funded:

December 31, 2024
Investment CategoryFair ValueRedemption Term / Redemption NoticeUnfunded Commitments
(in millions of dollars)(in millions of dollars)
Private Credit(a)$236.9 Not redeemable$118.9 
52.3 Quarterly / 90 days notice10.3 
Total Private Credit289.2 129.2 
Private Equity(b)604.1 Not redeemable398.2 
36.1 Initial 5.5 year lock on each new investment / Quarterly after 5.5 year lock with 90 days notice11.0
Total Private Equity640.2 409.2 
Real Assets(c)486.6 Not redeemable230.1 
34.6 Quarterly / 90 days notice— 
Total Real Assets521.2 230.1 
Total Partnerships$1,450.6 $768.5 
128
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
December 31, 2023
Investment CategoryFair ValueRedemption Term / Redemption NoticeUnfunded Commitments
(in millions of dollars)(in millions of dollars)
Private Credit(a)$239.1 Not redeemable$128.2 
44.5 Quarterly / 90 days notice8.6 
Total Private Credit283.6 136.8 
Private Equity(b)543.9 Not redeemable410.6 
28.0 Initial 5.5 year lock on each new investment / Quarterly after 5.5 year lock with 90 days notice16.6
Total Private Equity 571.9 427.2 
Real Assets(c)437.5 Not redeemable239.1 
33.2 Quarterly / 90 days notice— 
Total Real Assets470.7 239.1 
Total Partnerships$1,326.2 $803.1 

(a)Private Credit - The limited partnerships described in this category employ various investment strategies, generally providing direct lending or other forms of debt financing including first-lien, second-lien, mezzanine, and subordinated loans. The limited partnerships have credit exposure to corporates, physical assets, and/or financial assets within a variety of industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail) in North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 78 percent in the next 3 years, 12 percent during the period from 3 to 5 years, and 10 percent during the period from 5 to 10 years.

(b)Private Equity - The limited partnerships described in this category employ various strategies generally investing in controlling or minority control equity positions directly in companies and/or assets across various industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail), primarily in private markets within North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 27 percent during the period from 3 to 5 years, 36 percent during the period from 5 to 10 years, and 1 percent during the period from 10 to 15 years.

(c)Real Assets - The limited partnerships described in this category employ various strategies, which include investing in the equity and/or debt financing of physical assets, including infrastructure (energy, power, water/wastewater, communications), transportation (including airports, ports, toll roads, aircraft, railcars) and real estate in North America, Europe, South America, and Asia.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 26 percent during the period from 3 to 5 years, and 38 percent during the period from 5 to 10 years.

We record changes in our share of NAV of the partnerships in net investment income. We receive financial information related to our investments in partnerships and generally record investment income on a one-quarter lag in accordance with our accounting policy. Our partnerships are subject to transfer restrictions which extend over the life of the investment. There are no circumstances in which the transfer restrictions would lapse.
129
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
The following tables present information about financial instruments measured at fair value on a recurring basis by fair value level, based on the observability of the inputs used.
 December 31, 2024
 Level 1Level 2Level 3NAVTotal
(in millions of dollars)
Assets
Fixed Maturity Securities
United States Government and Government Agencies and Authorities$77.9 $452.6 $— $— $530.5 
States, Municipalities, and Political Subdivisions— 3,291.4 — — 3,291.4 
Foreign Governments— 768.1 — — 768.1 
Public Utilities174.5 5,118.4 — — 5,292.9 
Mortgage/Asset-Backed Securities1
— 843.7 73.5 — 917.2 
All Other Corporate Bonds3,928.1 20,822.6 71.5 — 24,822.2 
Redeemable Preferred Stocks— 7.6 — — 7.6 
Total Fixed Maturity Securities4,180.5 31,304.4 145.0 — 35,629.9 
Other Long-term Investments
Derivatives
Forwards— 6.5 — — 6.5 
Foreign Currency Interest Rate Swaps
— 72.9 — — 72.9 
Embedded Derivative in Modified Coinsurance Arrangement
— — 11.5 — 11.5 
Total Derivatives— 79.4 11.5 — 90.9 
Perpetual Preferred and Equity Securities— 0.1 24.4 — 24.5 
Private Equity Partnerships— — — 1,450.6 1,450.6 
Total Other Long-term Investments— 79.5 35.9 1,450.6 1,566.0 
Total Financial Instrument Assets Carried at Fair Value$4,180.5 $31,383.9 $180.9 $1,450.6 $37,195.9 
Liabilities
Other Liabilities
Derivatives
Forwards$— $223.2 $— $— $223.2 
Foreign Currency Interest Rate Swaps
— 32.5 — — 32.5 
Total Derivatives— 255.7 — — 255.7 
Total Financial Instrument Liabilities Carried at Fair Value$— $255.7 $— $— $255.7 

130
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
 December 31, 2023
 Level 1Level 2Level 3NAVTotal
(in millions of dollars)
Assets
Fixed Maturity Securities
United States Government and Government Agencies and Authorities$— $624.8 $— $— $624.8 
States, Municipalities, and Political Subdivisions— 3,678.4 — — 3,678.4 
Foreign Governments— 890.7 — — 890.7 
Public Utilities301.3 5,020.3 — — 5,321.6 
Mortgage/Asset-Backed Securities1
— 611.2 32.9 — 644.1 
All Other Corporate Bonds3,985.2 21,562.1 123.4 — 25,670.7 
Redeemable Preferred Stocks— 3.6 — — 3.6 
Total Fixed Maturity Securities4,286.5 32,391.1 156.3 — 36,833.9 
Other Long-term Investments
Derivatives
Forwards
— 47.5 — — 47.5 
Foreign Currency Interest Rate Swaps
— 52.4 — — 52.4 
Total Derivatives— 99.9 — — 99.9 
Perpetual Preferred and Equity Securities— 10.3 21.6 — 31.9 
Private Equity Partnerships— — — 1,326.2 1,326.2 
Total Other Long-term Investments— 110.2 21.6 1,326.2 1,458.0 
Total Financial Instrument Assets Carried at Fair Value$4,286.5 $32,501.3 $177.9 $1,326.2 $38,291.9 
Liabilities
Other Liabilities
Derivatives
Forwards
$— $78.0 $— $— $78.0 
Foreign Currency Interest Rate Swaps
— 38.2 — — 38.2 
Embedded Derivative in Modified Coinsurance Arrangement— — 1.5 — 1.5 
Total Derivatives— 116.2 1.5 — 117.7 
Total Financial Instrument Liabilities Carried at Fair Value$— $116.2 $1.5 $— $117.7 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.

131
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
Changes in assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) are as follows:
 Year Ended December 31, 2024
 Fair Value Beginning
of Year		Total Realized and
Unrealized Investment
Gains (Losses)
 Included in		PurchasesSales/MaturitiesLevel 3 TransfersFair Value End of
Year		Change in Unrealized
Gain (Loss) on
Securities Held at the
End of Period
included in
 EarningsOCIIntoOut ofOCIEarnings
(in millions of dollars)
Fixed Maturity Securities
Public Utilities$— $(1.1)$1.3 $— $(20.4)$20.2 $— $— $— $— 
Mortgage/Asset-Backed Securities1
32.9 — 0.6 38.5 (2.6)4.1 — 73.5 0.6 
All Other Corporate Bonds123.4 (3.5)8.9 3.2 (329.8)318.1 (48.8)71.5 8.9 — 
Total Fixed Maturity Securities156.3 (4.6)10.8 41.7 (352.8)342.4 (48.8)145.0 9.5 — 
Perpetual Preferred and Equity Securities21.6 2.3 — 0.5 — — — 24.4 — 2.3 
Embedded Derivative in Modified Coinsurance Arrangement(1.5)13.0 — — — — — 11.5 — 13.0 

132
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
 
Year Ended December 31, 2023
 Fair Value Beginning
of Year		Total Realized and
Unrealized Investment
Gains (Losses)
 Included in		PurchasesSales/MaturitiesLevel 3 TransfersFair Value End of
Year		Change in Unrealized
Gain (Loss) on
Securities Held at the
End of Period
included in
 EarningsOCIIntoOut ofOCIEarnings
(in millions of dollars)
Fixed Maturity Securities
States, Municipalities, and Political Subdivisions$0.2 $— $— $— $— $— $(0.2)$— $— $— 
Public Utilities— 0.1 (0.1)— (50.5)50.5 — — — — 
Mortgage/Asset-Backed Securities1
22.0 — (0.2)20.0 (0.5)0.4 (8.8)32.9 (0.2)— 
All Other Corporate Bonds158.7 (5.0)(15.8)1.5 (334.1)385.0 (66.9)123.4 (15.8)— 
Total Fixed Maturity Securities180.9 (4.9)(16.1)21.5 (385.1)435.9 (75.9)156.3 (16.0)— 
Perpetual Preferred and Equity Securities16.2 0.6 — 4.8 — — — 21.6 — 0.6 
Embedded Derivative in Modified Coinsurance Arrangement(13.9)12.4 — — — — — (1.5)— 12.4 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.

Realized and unrealized investment gains and losses presented in the preceding tables represent gains and losses only for the time during which the applicable financial instruments were classified as Level 3. The transfers between levels resulted primarily from a change in observability of three inputs used to determine fair values of the securities transferred: (1) transactional data for new issuance and secondary trades, (2) broker/dealer quotes and pricing, primarily related to changes in the level of activity in the market and whether the market was considered orderly, and (3) comparable bond metrics from which to perform an analysis. For fair value measurements of financial instruments that were transferred either into or out of Level 3, we reflect the transfers using the fair value at the beginning of the period. We believe this allows for greater transparency, as all changes in fair value that arise during the reporting period of the transfer are disclosed as a component of our Level 3 reconciliation.

133
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
The table below provides quantitative information regarding the significant unobservable inputs used in Level 3 fair value measurements derived from internal models. Unobservable inputs for fixed maturity securities are weighted by the fair value of the securities. Certain securities classified as Level 3 are excluded from the table below due to limitations in our ability to obtain the underlying inputs used by external pricing sources.
December 31, 2024
Fair ValueValuation MethodUnobservable InputRange/Weighted Average
(in millions of dollars)
Fixed Maturity Securities
All Other Corporate Bonds - Private$16.3 Market Approach
Volatility of Credit
Market Convention
(a)
(b)
5.00% - 5.00% / 5.00%
Priced at Par Value
Mortgage-Backed Securities/Asset-Backed Securities
21.2 Market Approach
Market Convention
(b)
Priced at Par Value
Perpetual Preferred and Equity Securities24.4 Market Approach
Market Convention
(b)
Priced at Cost, Owner's Equity, or Most Recent Round
Embedded Derivative in Modified Coinsurance Arrangement11.5 Discounted Cash Flows
Projected Liability Cash Flows
Weighted Spread of Swap Curve
(c)
Actuarial Assumptions
(0.23)%
December 31, 2023
Fair ValueValuation MethodUnobservable InputRange/Weighted Average
(in millions of dollars)
Fixed Maturity Securities
All Other Corporate Bonds - Private$15.9 Market Approach
Volatility of Credit
Market Convention
(a)
(b)

5.00% - 5.00% / 5.00%
Priced at Par Value
Perpetual Preferred and Equity Securities21.6 Market ApproachMarket Convention(b)Priced at Cost, Owner's Equity, or Most Recent Round
Embedded Derivative in Modified Coinsurance Arrangement(1.5)Discounted Cash Flows
Projected Liability Cash Flows
Weighted Spread of Swap Curve
(c)

Actuarial Assumptions 0.2%

(a)Represents basis point adjustments for credit-specific factors
(b)Represents a decision to price based on par value, cost, owner's equity, or the price of the most recent capital funding round when limited data is available
(c)Represents various actuarial assumptions required to derive the liability cash flows. Fair value of embedded derivative is most often driven by the change in the weighted average credit spread to the swap curve for the assets backing the hypothetical loan

Other than market convention, the impact of isolated decreases in unobservable inputs will result in a higher estimated fair value, whereas isolated increases in unobservable inputs will result in a lower estimated fair value. The unobservable input for market convention is not sensitive to input movements. The projected liability cash flows used in the fair value measurement of our Level 3 embedded derivative are based on expected claim payments. If claim payments increase, the projected liability cash flows will increase, resulting in a decrease in the fair value of the embedded derivative. Decreases in projected liability cash flows will result in an increase in the fair value of the embedded derivative.

134
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
Fair Value Measurements for Financial Instruments Not Carried at Fair Value

The methods and assumptions used to estimate fair values of financial instruments not carried at fair value are discussed as follows:

Mortgage Loans: Fair value of newly originated, seasoned performing, or sub-performing but likely to continue cash flowing loans are calculated using a discounted cash flow analysis. Loans’ cash flows are modeled and appropriately discounted by a rate based on current yields and credit spreads. For sub and non-performing loans where there is some probability the loan will not continue to pay, a price based approach would be used to estimate the loan’s value in the open market utilizing current transaction information from similar loans.

Policy Loans: Fair values for policy loans, net of reinsurance ceded, are estimated using discounted cash flow analyses and interest rates currently being offered to policyholders with similar policies. Carrying amounts for ceded policy loans, which equal $3,313.6 million and $3,322.5 million as of December 31, 2024 and 2023, respectively, approximate fair value and are reported on a gross basis in our consolidated balance sheets. A change in interest rates for ceded policy loans will not impact our financial position because the benefits and risks are fully ceded to reinsuring counterparties.

Miscellaneous Long-term Investments: Carrying amounts for tax credit partnerships equal the unamortized balance of our contractual commitments and approximate fair value. Our shares of Federal Home Loan Bank (FHLB) common stock are carried at cost, which approximates fair value.

Long-term Debt: Fair values for long-term debt are obtained from independent pricing services or discounted cash flow analyses based on current incremental borrowing rates for similar types of borrowing arrangements.

FHLB Funding Agreements: Funding agreements with the FHLB represent cash advances used for the purpose of investing in fixed maturity securities. Carrying amounts approximate fair value.

Unfunded Commitments to Investment Partnerships: Unfunded equity commitments represent amounts that we have committed to fund certain investment partnerships. These commitments are legally binding, subject to the partnerships meeting specified conditions. Carrying amounts of these financial instruments approximate fair value.


135
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
The following table presents the carrying amounts and estimated fair values of our financial instruments not measured at fair value and indicates the level in the fair value hierarchy of the estimated fair value measurement based on the observability of the inputs used:

December 31, 2024
Estimated Fair Value
Level 1Level 2Level 3TotalCarrying Value
(in millions of dollars)
Assets
Mortgage Loans$— $1,975.4 $— $1,975.4 $2,224.5 
Policy Loans— — 3,672.9 3,672.9 3,617.2 
Other Long-term Investments
Miscellaneous Long-term Investments— 26.7 0.2 26.9 26.9 
Total Financial Instrument Assets Not Carried at Fair Value$— $2,002.1 $3,673.1 $5,675.2 $5,868.6 
Liabilities
Long-term Debt$3,246.1 $43.2 $— $3,289.3 $3,465.2 
Other Liabilities
Unfunded Commitments— 0.2 — 0.2 0.2 
Payable for Collateral on FHLB Funding Agreements— 324.2 — 324.2 324.2 
Total Financial Instrument Liabilities Not Carried at Fair Value$3,246.1 $367.6 $— $3,613.7 $3,789.6 

136
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 2 - Fair Value of Financial Instruments - Continued
December 31, 2023
Estimated Fair Value
Level 1Level 2Level 3TotalCarrying Value
(in millions of dollars)
Assets
Mortgage Loans$— $2,070.7 $— $2,070.7 $2,318.2 
Policy Loans— — 3,696.3 3,696.3 3,620.2 
Other Long-term Investments
Miscellaneous Long-term Investments— 15.7 0.3 16.0 16.0 
Total Financial Instrument Assets Not Carried at Fair Value$— $2,086.4 $3,696.6 $5,783.0 $5,954.4 
Liabilities
Long-term Debt$2,629.1 $598.8 $— $3,227.9 $3,430.4 
Other Liabilities
Unfunded Commitments— 0.2 — 0.2 0.2 
Payable for Collateral on FHLB Funding Agreements— 64.5 — 64.5 64.5 
Total Financial Instrument Liabilities Not Carried at Fair Value$2,629.1 $663.5 $— $3,292.6 $3,495.1 

The carrying values of financial instruments such as short-term investments, cash and bank deposits, accounts and premiums receivable, accrued investment income, securities lending agreements, and short-term debt approximate fair value due to the short-term nature of the instruments. As such, these financial instruments are not included in the above chart.

Fair values for insurance contracts other than investment contracts are not required to be disclosed. However, the fair values of liabilities under all insurance contracts are taken into consideration in our overall management of interest rate risk, which seeks to minimize exposure to changing interest rates through the matching of investment maturities with amounts due under insurance contracts.

137
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments
Fixed Maturity Securities

At December 31, 2024 and 2023, all fixed maturity securities were classified as available-for-sale. The amortized cost and fair values of securities by security type are shown as follows:
 December 31, 2024
 
Amortized
Cost, Gross of ACL1
ACL1
Gross
Unrealized
Gain		Gross
Unrealized
Loss		Fair
Value
(in millions of dollars)
United States Government and Government Agencies and Authorities$544.6 $— $13.9 $28.0 $530.5 
States, Municipalities, and Political Subdivisions3,795.6 — 65.5 569.7 3,291.4 
Foreign Governments912.1 — 9.5 153.5 768.1 
Public Utilities5,525.0 — 132.3 364.4 5,292.9 
Mortgage/Asset-Backed Securities2
949.4 — 5.0 37.2 917.2 
All Other Corporate Bonds26,535.2 2.8 450.6 2,160.8 24,822.2 
Redeemable Preferred Stocks8.0 — — 0.4 7.6 
Total Fixed Maturity Securities$38,269.9 $2.8 $676.8 $3,314.0 $35,629.9 

December 31, 2023
 
Amortized
Cost, Gross of ACL1
ACL1
Gross
Unrealized
Gain		Gross
Unrealized
Loss		Fair
Value
(in millions of dollars)
United States Government and Government Agencies and Authorities$618.6 $— $25.3 $19.1 $624.8 
States, Municipalities, and Political Subdivisions4,041.3 — 135.3 498.2 3,678.4 
Foreign Governments982.1 — 29.8 121.2 890.7 
Public Utilities5,398.2 — 217.1 293.7 5,321.6 
Mortgage/Asset-Backed Securities2
658.0 — 10.1 24.0 644.1 
All Other Corporate Bonds26,708.4 2.2 771.8 1,807.3 25,670.7 
Redeemable Preferred Stocks4.0 — — 0.4 3.6 
Total Fixed Maturity Securities$38,410.6 $2.2 $1,189.4 $2,763.9 $36,833.9 
1 Allowance for Credit Losses
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types

138
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

The following charts indicate the length of time our fixed maturity securities have been in a gross unrealized loss position.

 December 31, 2024
 Less Than 12 Months12 Months or Greater
 Fair
Value		Gross
Unrealized
Loss		Fair
Value		Gross
Unrealized
Loss
(in millions of dollars)
United States Government and Government Agencies and Authorities$43.7 $4.1 $201.3 $23.9 
States, Municipalities, and Political Subdivisions425.8 15.3 1,926.2 554.4 
Foreign Governments171.9 10.6 266.3 142.9 
Public Utilities1,281.7 48.4 1,549.5 316.0 
Mortgage/Asset-Backed Securities1
199.9 8.9 285.9 28.3 
All Other Corporate Bonds4,904.4 182.5 12,209.3 1,978.3 
Redeemable Preferred Stocks3.9 0.1 3.7 0.3 
Total Fixed Maturity Securities$7,031.3 $269.9 $16,442.2 $3,044.1 

 December 31, 2023
 Less Than 12 Months12 Months or Greater
 Fair
Value		Gross
Unrealized
Loss		Fair
Value		Gross
Unrealized
Loss
(in millions of dollars)
United States Government and Government Agencies and Authorities$118.8 $0.7 $197.3 $18.4 
States, Municipalities, and Political Subdivisions128.0 4.0 2,035.1 494.2 
Foreign Governments149.9 3.3 312.9 117.9 
Public Utilities373.7 10.4 1,720.6 283.3 
Mortgage/Asset-Backed Securities1
60.3 2.5 316.7 21.5 
All Other Corporate Bonds1,483.8 26.8 14,215.2 1,780.5 
Redeemable Preferred Stocks— — 3.6 0.4 
Total Fixed Maturity Securities$2,314.5 $47.7 $18,801.4 $2,716.2 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types



139
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Unum Group and Subsidiaries

Note 3 - Investments - Continued

The following is a distribution of the maturity dates for fixed maturity securities. The maturity dates have not been adjusted for possible calls or prepayments.
 December 31, 2024
 
Amortized Cost, Net of ACL1
Unrealized Gain PositionUnrealized Loss Position
 Gross GainFair ValueGross LossFair Value
(in millions of dollars)
1 year or less$1,484.1 $4.1 $432.4 $6.2 $1,049.6 
Over 1 year through 5 years7,688.2 123.5 2,840.8 196.6 4,774.3 
Over 5 years through 10 years8,404.6 236.4 3,486.1 565.5 4,589.4 
Over 10 years19,740.8 307.8 4,965.7 2,508.5 12,574.4 
37,317.7 671.8 11,725.0 3,276.8 22,987.7 
Mortgage/Asset-Backed Securities2
949.4 5.0 431.4 37.2 485.8 
Total Fixed Maturity Securities$38,267.1 $676.8 $12,156.4 $3,314.0 $23,473.5 

 December 31, 2023
 
Amortized Cost, Net of ACL1
Unrealized Gain PositionUnrealized Loss Position
 Gross GainFair ValueGross LossFair Value
(in millions of dollars)
1 year or less$935.0 $0.9 $140.8 $7.5 $787.6 
Over 1 year through 5 years7,594.4 128.2 2,685.7 179.0 4,857.9 
Over 5 years through 10 years9,430.3 372.1 4,100.0 610.8 5,091.6 
Over 10 years19,790.7 678.1 8,524.4 1,942.6 10,001.8 
37,750.4 1,179.3 15,450.9 2,739.9 20,738.9 
Mortgage/Asset-Backed Securities2
658.0 10.1 267.1 24.0 377.0 
Total Fixed Maturity Securities$38,408.4 $1,189.4 $15,718.0 $2,763.9 $21,115.9 
1 Allowance for Credit Losses
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types

The following chart depicts an analysis of our fixed maturity security portfolio between investment-grade and below-investment-grade categories as of December 31, 2024:
Gross Unrealized Loss
Fair ValueGross Unrealized GainAmountPercent of Total Gross Unrealized Loss
(in millions of dollars)
Investment-Grade$34,193.9 $661.8 $3,236.2 97.7 %
Below-Investment-Grade1,436.0 15.0 77.8 2.3 
Total Fixed Maturity Securities$35,629.9 $676.8 $3,314.0 100.0 %

The unrealized losses on investment-grade fixed maturity securities principally relate to changes in interest rates or changes in market or sector credit spreads which occurred subsequent to the acquisition of the securities. Below-investment-grade fixed maturity securities are generally more likely to develop credit concerns than investment-grade securities. At December 31, 2024, the unrealized losses in our below-investment-grade fixed maturity securities were generally due to credit spreads in certain industries or sectors and, to a lesser extent, credit concerns related to specific securities. For each specific security in an unrealized loss position, we believe that there are positive factors which mitigate credit concerns and that the securities for
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

which we have not recorded a credit loss will recover in value. We have the ability and intent to continue to hold these securities to recovery of amortized cost less allowance for credit losses.

As of December 31, 2024, we held 924 individual investment-grade fixed maturity securities and 75 individual below-investment-grade fixed maturity securities that were in an unrealized loss position, of which 785 investment-grade fixed maturity securities and 47 below-investment-grade fixed maturity securities had been in an unrealized loss position continuously for over one year.

In determining when a decline in fair value below amortized cost of a fixed maturity security represents a credit loss, we evaluate the following factors:

•Whether we expect to recover the entire amortized cost basis of the security
•Whether we intend to sell the security or will be required to sell the security before the recovery of its amortized cost basis
•Whether the security is current as to principal and interest payments
•The significance of the decline in value
•Current and future business prospects and trends of earnings
•The valuation of the security's underlying collateral
•Relevant industry conditions and trends relative to their historical cycles
•Market conditions
•Rating agency and governmental actions
•Bid and offering prices and the level of trading activity
•Adverse changes in estimated cash flows for securitized investments
•Changes in fair value subsequent to the balance sheet date
•Any other key measures for the related security

While determining whether a credit loss exists is a judgmental area, we utilize a formal, well-defined, and disciplined process to monitor and evaluate our fixed income investment portfolio, supported by issuer specific research and documentation as of the end of each period. The process results in a thorough evaluation of investments and the recording of credit losses on a timely basis for investments determined to have a credit loss. We calculate the allowance for credit losses of fixed maturity securities based on the present value of our best estimate of cash flows expected to be collected, discounted using the effective interest rate implicit in the security at the date of acquisition. When estimating future cash flows, we analyze the strength of the issuer’s balance sheet, its debt obligations and near-term funding arrangements, cash flow and liquidity, the profitability of its core businesses, the availability of marketable assets which could be sold to increase liquidity, its industry fundamentals and regulatory environment, and its access to capital markets.

The following tables present a rollforward of the allowance for credit losses on available-for-sale fixed maturity securities, which were classified as "all other corporate bonds" during the years ended December 31, 2024 and December 31, 2023.
Year Ended December 31
20242023
(in millions of dollars)
Balance, beginning of period$2.2 $— 
Credit losses on securities for which credit losses were not previously recorded2.8 2.2 
Change in allowance on securities with allowance recorded in previous period0.2 — 
Change in allowance due to securities sold during the period
(2.4)— 
Balance, end of period$2.8 $2.2 

At December 31, 2024, we had commitments of $96.5 million to fund private placement fixed maturity securities, the amount of which may or may not be funded. 
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Variable Interest Entities

We invest in variable interests issued by variable interest entities. These investments, which are passive in nature, include minority ownership interests in private equity partnerships, tax credit partnerships, and special purpose entities. Our maximum exposure to loss is limited to the carrying value of these investments in private equity partnerships, tax credit partnerships, and special purpose entities. For those variable interests that are not consolidated in our financial statements, we are not the primary beneficiary because we have neither the power to direct the activities that are most significant to economic performance nor the responsibility to absorb a majority of the expected losses. The determination of whether we are the primary beneficiary is performed at the time of our initial investment and at the date of each subsequent reporting period.

As of December 31, 2024, the carrying amount of our variable interest entity investments that are not consolidated in our financial statements was $1,450.8 million, comprised of $0.2 million of tax credit partnerships and $1,450.6 million of private equity partnerships. At December 31, 2023, the carrying amount of our variable interest entity investments that are not consolidated in our financial statements was $1,326.5 million, comprised of $0.3 million of tax credit partnerships and $1,326.2 million of private equity partnerships. These variable interest entity investments are reported as other long-term investments in our consolidated balance sheets.

The Company invests in tax credit partnerships primarily for the receipt of income tax credits and tax benefits derived from passive losses on the investments. Amounts recognized in the consolidated statements of income are as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Income Tax Credits$0.1 $1.1 $8.0 
Amortization, Net of Tax— (0.5)(5.9)
Income Tax Benefit$0.1 $0.6 $2.1 

Contractually, we are a limited partner in these tax credit partnerships, and our maximum exposure to loss is limited to the carrying value of our investment, which includes $0.2 million of unfunded unconditional commitments at December 31, 2024. See Note 2 for commitments to fund private equity partnerships.

Mortgage Loans

Our mortgage loan portfolio is well diversified by both geographic region and property type to reduce risk of concentration. All of our mortgage loans are collateralized by commercial real estate. When issuing a new loan, our general policy is not to exceed a loan-to-value ratio, or the ratio of the loan balance to the estimated fair value of the underlying collateral, of 75 percent. We update the loan-to-value ratios based on internal valuation of the collateral at least every three years for each loan, and properties undergo a general inspection at least every two years. Our general policy for newly issued loans is to have a debt service coverage ratio greater than 1.25 times on a normalized 25 year amortization period. We update our debt service coverage ratios annually.

We carry our mortgage loans at amortized cost less an allowance for expected credit losses. The amortized cost of our mortgage loans was $2,240.6 million and $2,328.4 million at December 31, 2024 and 2023, respectively. The allowance for expected credit losses was $16.1 million and $10.2 million at December 31, 2024 and 2023, respectively. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. We report accrued interest income for our mortgage loans as accrued investment income on our consolidated balance sheets, and the amount of the accrued income was $7.0 million and $7.2 million at December 31, 2024 and 2023, respectively.
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

The carrying amount of mortgage loans by property type and geographic region are presented below.
December 31
20242023
(in millions of dollars)
CarryingPercent ofCarryingPercent of
AmountTotalAmountTotal
Property Type
     Apartment$658.2 29.6 %$685.8 29.6 %
     Industrial690.4 31.0 706.0 30.5 
     Office338.4 15.2 379.9 16.4 
     Retail496.2 22.3 503.9 21.7 
Other41.3 1.9 42.6 1.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %

Region
     New England$52.6 2.4 %$55.1 2.4 %
     Mid-Atlantic167.2 7.5 155.1 6.7 
     East North Central297.2 13.4 314.4 13.6 
     West North Central151.1 6.8 163.5 7.0 
     South Atlantic532.5 23.9 553.0 23.8 
     East South Central95.1 4.3 110.7 4.8 
     West South Central193.6 8.7 200.9 8.7 
     Mountain278.7 12.5 282.7 12.2 
     Pacific456.5 20.5 482.8 20.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %

The risk in our mortgage loan portfolio is primarily related to vacancy rates. Events or developments, such as economic conditions that impact the ability of the borrowers to ensure occupancy of the property, may have a negative effect on our mortgage loan portfolio, particularly to the extent that our portfolio is concentrated in an affected region or property type. An increase in vacancies increases the probability of default, which would negatively affect our expected losses in our mortgage loan portfolio.

We evaluate each of our mortgage loans individually for impairment and assign an internal quality rating based on a comprehensive rating system used to evaluate the risk of the loan. The factors we use to derive our internal quality ratings may include the following:

•Loan-to-value ratio based on internal valuation of the property
•Debt service coverage ratio based on current operating income
•Property location, including regional economics, trends, and demographics
•Age, condition, and construction quality of property
•Current and historical occupancy of property
•Lease terms relative to market
•Tenant size and financial strength
•Borrower's financial strength
•Borrower's equity in transaction
•Additional collateral, if any

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Although all available and applicable factors are considered in our analysis, loan-to-value and debt service coverage ratios are the most critical factors in determining whether we will initially issue the loan and also in assigning values and determining impairment. We assign an overall rating to each loan using an internal rating scale of AA (highest quality) to B (lowest quality). We review and adjust, as needed, our internal quality ratings on an annual basis. This review process is performed more frequently for mortgage loans deemed to have a higher risk of delinquency.

The following tables present information about mortgage loans by the applicable internal quality indicators:

December 31
20242023
(in millions of dollars)
Carrying AmountPercent of TotalCarrying AmountPercent of Total
Internal Mortgage Rating
AA$117.8 5.3 %$85.2 3.7 %
     A1,099.1 49.4 942.5 40.6 
     BBB915.5 41.2 1,249.5 53.9 
     BB85.0 3.8 41.0 1.8 
     B7.1 0.3 — — 
Total$2,224.5 100.0 %$2,318.2 100.0 %
Loan-to-Value Ratio1
     <= 65%$1,639.6 73.8 %$1,409.9 60.8 %
     > 65% <= 75%367.6 16.5 707.0 30.5 
     > 75% <= 85%152.3 6.8 136.5 5.9 
     > 85%65.0 2.9 64.8 2.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property

144
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

The following tables present the amortized cost of our mortgage loans by year of origination and internal quality indicators for the years ended December 31, 2024 and 2023:

Year Ended December 31, 2024
Prior to 2020
20202021202220232024Total
(in millions of dollars)
Internal Mortgage Rating
AA$111.5 $— $6.4 $— $— $— $117.9 
A780.5 99.6 169.1 24.6 9.5 18.0 1,101.3 
BBB561.7 55.1 155.1 63.0 57.3 28.2 920.4 
BB86.8 — — — — — 86.8 
B14.2 — — — — — 14.2 
Total Amortized Cost1,554.7 154.7 330.6 87.6 66.8 46.2 2,240.6 
Allowance for credit losses(13.7)(0.5)(1.0)(0.3)(0.4)(0.2)(16.1)
Carrying Amount$1,541.0 $154.2 $329.6 $87.3 $66.4 $46.0 $2,224.5 
Loan-to-Value Ratio1
<=65%$1,229.6 $112.9 $210.0 $40.8 $38.7 $11.7 $1,643.7 
>65<=75%154.1 33.7 72.1 46.8 28.1 34.5 369.3 
>75%<=85%126.4 8.1 20.1 — — — 154.6 
>85%44.6 — 28.4 — — — 73.0 
Total Amortized Cost1,554.7 154.7 330.6 87.6 66.8 46.2 2,240.6 
Allowance for credit losses(13.7)(0.5)(1.0)(0.3)(0.4)(0.2)(16.1)
Carrying Amount$1,541.0 $154.2 $329.6 $87.3 $66.4 $46.0 $2,224.5 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Year Ended December 31, 2023
Prior to 2019
20192020202120222023Total
(in millions of dollars)
Internal Mortgage Rating
AA$74.3 $11.0 $— $— $— $— $85.3 
A589.0 100.3 94.1 100.1 23.2 38.0 944.7 
BBB618.4 224.8 71.4 248.0 64.4 29.2 1,256.2 
BB42.2 — — — — — 42.2 
Total Amortized Cost1,323.9 336.1 165.5 348.1 87.6 67.2 2,328.4 
Allowance for credit losses(6.3)(1.3)(0.6)(1.0)(0.6)(0.4)(10.2)
Carrying Amount$1,317.6 $334.8 $164.9 $347.1 $87.0 $66.8 $2,318.2 
Loan-to-Value Ratio1
<=65%$908.3 $197.7 $116.4 $145.2 $16.2 $30.0 $1,413.8 
>65<=75%252.1 138.4 40.8 171.0 71.4 37.2 710.9 
>75%<=85%97.3 — 8.3 31.9 — — 137.5 
>85%66.2 — — — — — 66.2 
Total Amortized Cost1,323.9 336.1 165.5 348.1 87.6 67.2 2,328.4 
Allowance for credit losses(6.3)(1.3)(0.6)(1.0)(0.6)(0.4)(10.2)
Carrying Amount$1,317.6 $334.8 $164.9 $347.1 $87.0 $66.8 $2,318.2 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property

The following tables present a rollforward of allowance for expected credit losses by loan-to-value ratio for the years ended December 31, 2024 and 2023:

Year Ended December 31, 2024
Beginning of PeriodCurrent Period ProvisionsWrite-OffsRecoveriesEnd of Period
(in millions of dollars)
Loan-to-Value Ratio1
<=65%$3.8 $0.4 $— $— $4.2 
>65<=75%3.8 (2.1)— — 1.7 
>75%<=85%1.2 8.0 (7.0)— 2.2 
>85%1.4 6.6 — — 8.0 
Total$10.2 $12.9 $(7.0)$— $16.1 
146
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Year Ended December 31, 2023
Beginning of PeriodCurrent Period ProvisionsWrite-OffsRecoveriesEnd of Period
(in millions of dollars)
Loan-to-Value Ratio1
<=65%$3.0 $0.8 $— $— $3.8 
>65<=75%4.7 (0.9)— — 3.8 
>75%<=85%1.1 0.1 — — 1.2 
>85%0.5 0.9 — — 1.4 
Total$9.3 $0.9 $— $— $10.2 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property

For the year ended December 31, 2024, we identified one impaired commercial mortgage loan, resulting in a $7.0 million write-off. This adjustment reduced the carrying value of the investment to $9.2 million as of December 31, 2024. No interest income was recognized on this loan following impairment. This single commercial mortgage loan was also past due as to principal and interest payments as of December 31, 2024. We did not hold any specifically identified impaired commercial mortgage loans for the years ended December 31, 2023 and 2022, nor did we recognize any interest income on impaired commercial mortgage loans during these periods. There were no commercial mortgage loans past due as to principal and/or interest payments for the years ended December 31, 2023, or 2022.

For the year ended December 31, 2024, all commercial mortgage loans which were previously modified for borrowers experiencing financial difficulties were current. During the year ended December 31, 2023 we granted an other-than-insignificant payment delay for a commercial mortgage loan with a carrying value of $14.2 million, which deferred the principal payment for 18 months. This modification represented less than one percent of the commercial mortgage loan portfolio balance for the years ending December 31, 2024 and December 31, 2023. Additionally, we had no loan foreclosures for the years ended December 31, 2024, 2023, or 2022.

At December 31, 2024 we had $17.9 million of commitments to fund certain commercial mortgage loans. At December 31, 2023 we had no commitments to fund certain commercial mortgage loans. Consistent with how we determine the estimate of current expected credit losses for our funded mortgage loans each period, we estimate expected credit losses for loans that have not been funded but we are committed to fund at the end of each period. At December 31, 2024, we had $0.1 million expected credit losses related to unfunded commitments on our consolidated balance sheets. At December 31, 2023, we had no expected credit losses related to unfunded commitments on our consolidated balance sheets.

Investment Real Estate

Our investment real estate held for the production of income balance was $59.5 million and $64.4 million at December 31, 2024 and 2023, respectively, and the associated accumulated depreciation was $129.7 million and $127.2 million at December 31, 2024 and 2023, respectively. We did not recognize any impairments related to our real estate during the years ended December 31, 2024 or December 31, 2022. For the year ended December 31, 2023, we recognized a $3.0 million impairment related to certain of our real estate held for investment.

Our held for sale real estate balance was $41.9 million and $40.9 million at December 31, 2024 and December 31, 2023, respectively. The associated accumulated depreciation was $57.5 million and $54.2 million at December 31, 2024 and December 31, 2023, respectively. The estimated fair values less costs to sell are above the carrying values of the properties and we expect to close the sales of the properties within the next twelve months.

147
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Transfers of Financial Assets

To manage our cash position more efficiently, we may enter into repurchase agreements with unaffiliated financial institutions. We generally use repurchase agreements as a means to finance the purchase of invested assets or for short-term general business purposes until projected cash flows become available from our operations or existing investments. Our repurchase agreements are typically outstanding for less than 30 days. We post collateral through our repurchase agreement transactions whereby the counterparty commits to purchase securities with the agreement to resell them to us at a later, specified date. The fair value of collateral posted is generally 102 percent of the cash received.

Our investment policy also permits us to lend fixed maturity securities to unaffiliated financial institutions in short-term securities lending agreements. These agreements increase our investment income with minimal risk. Our securities lending policy requires that a minimum of 102 percent of the fair value of the securities loaned be maintained as collateral. We may receive cash and/or securities as collateral under these agreements. Cash received as collateral is typically reinvested in short-term investments. If securities are received as collateral, we are not permitted to sell or re-post them.

As of December 31, 2024, the carrying amount of fixed maturity securities loaned to third parties under our securities lending program was $94.0 million, for which we received collateral in the form of cash and securities of $62.7 million and $34.8 million, respectively. As of December 31, 2023, the carrying amount of fixed maturity securities loaned to third parties under our securities lending program was $72.0 million, for which we received collateral in the form of cash and securities of $63.1 million and $12.5 million, respectively. We had no outstanding repurchase agreements at December 31, 2024 or December 31, 2023.

148
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

The remaining contractual maturities of our securities lending agreements disaggregated by class of collateral pledged are as follows:

December 31
20242023
Overnight and Continuous
(in millions of dollars)
Borrowings
Public Utilities$5.2 $1.8 
Short-Term Investments
1.0 — 
All Other Corporate Bonds56.5 61.3 
Total Borrowings$62.7 $63.1 
Gross Amount of Recognized Liability for Securities Lending Transactions62.7 63.1 
Amounts Related to Agreements Not Included in Offsetting Disclosure Contained Herein$— $— 

Certain of our U.S. insurance subsidiaries are members of regional FHLBs. As members of the FHLBs, our insurance subsidiaries have the ability to borrow on a collateralized basis from the FHLBs. Each member is required to hold certain minimum amount of FHLB common stock as a condition of membership and additional amounts based on the amount of the borrowings. Advances received from the FHLB are primarily used for the purchase of matched fixed maturity securities. The carrying value of common stock owned, collateral posted, and advances received are as follows:

December 31
20242023
(in millions of dollars)
Carrying Value of FHLB Common Stock$26.7 $15.7 
Advances from FHLB324.2 64.5 
Carrying Value of Collateral Posted to FHLB
Fixed Maturity Securities$553.6 $589.0 
Commercial Mortgage Loans908.2 986.8 
Total Carrying Value of Collateral Posted to FHLB$1,461.8 $1,575.8 

Offsetting of Financial Instruments

We enter into master netting agreements with each of our derivative's counterparties. These agreements provide for conditional rights of set-off upon the occurrence of an early termination event. An early termination event is considered a default, and it allows the non-defaulting party to offset its contracts in a loss position against any gain positions or payments due to the defaulting party. Under our agreements, default type events are defined as failure to pay or deliver as contractually agreed, misrepresentation, bankruptcy, or merger without assumption. See Note 4 for further discussion of collateral related to our derivative contracts.

We have securities lending agreements with unaffiliated financial institutions that post collateral to us in return for the use of our fixed maturity securities. A right of set-off exists that allows us to keep and apply collateral received in the event of default by the counterparty. Default within a securities lending agreement would typically occur if the counterparty failed to return the securities borrowed from us as contractually agreed. In addition, if we default by not returning collateral received, the counterparty has a right of set-off against our securities or any other amounts due to us.

149
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Shown below are our financial instruments that either meet the accounting requirements that allow them to be offset in our balance sheets or that are subject to an enforceable master netting arrangement or similar agreement. Our accounting policy is to not offset these financial instruments in our balance sheets. Net amounts disclosed below have been reduced by the amount of collateral pledged to or received from our counterparties.
December 31, 2024
Gross AmountGross Amount Not
of RecognizedGross AmountNet AmountOffset in Balance Sheet
FinancialOffset inPresented inFinancialCashNet
InstrumentsBalance SheetBalance SheetInstrumentsCollateralAmount
(in millions of dollars)
Financial Assets:
Derivatives$79.4 $— $79.4 $(75.7)$(3.2)$0.5 
Securities Lending94.0 — 94.0 (31.3)(62.7)— 
Total$173.4 $— $173.4 $(107.0)$(65.9)$0.5 
Financial Liabilities:
Derivatives$255.7 $— $255.7 $(254.3)$— $1.4 
Securities Lending62.7 — 62.7 (62.7)— — 
Total$318.4 $— $318.4 $(317.0)$— $1.4 

December 31, 2023
Gross AmountGross Amount Not
of RecognizedGross AmountNet AmountOffset in Balance Sheet
FinancialOffset inPresented inFinancialCashNet
InstrumentsBalance SheetBalance SheetInstrumentsCollateralAmount
(in millions of dollars)
Financial Assets:
Derivatives$99.9 $— $99.9 $(91.9)$(6.4)$1.6 
Securities Lending72.0 — 72.0 (8.9)(63.1)— 
Total$171.9 $— $171.9 $(100.8)$(69.5)$1.6 
Financial Liabilities:
Derivatives$116.2 $— $116.2 $(109.4)$— $6.8 
Securities Lending63.1 — 63.1 (63.1)— — 
Total$179.3 $— $179.3 $(172.5)$— $6.8 
150
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Net Investment Income

Net investment income reported in our consolidated statements of income is presented below.
 Year Ended December 31
 202420232022
 (in millions of dollars)
Fixed Maturity Securities$1,860.4 $1,853.7 $1,849.8 
Derivatives30.7 45.1 57.8 
Mortgage Loans88.6 92.5 101.5 
Policy Loans20.9 20.8 20.0 
Other Long-term Investments
Perpetual Preferred Securities
0.3 2.5 5.0 
Private Equity Partnerships1
103.1 78.1 110.1 
Other12.0 9.2 9.4 
Short-term Investments90.9 68.7 20.0 
Gross Investment Income2,206.9 2,170.6 2,173.6 
Less Investment Expenses65.2 61.8 39.4 
Less Investment Income on Participation Fund Account Assets11.7 12.1 12.0 
Net Investment Income$2,130.0 $2,096.7 $2,122.2 

1The net unrealized gain recognized in net investment income for the year ended December 31, 2024 related to private equity partnerships still held at December 31, 2024 was $127.1 million, reduced by net management fees and partnership expenses of $(24.0) million. For the years ended December 31, 2023 and 2022, the net unrealized gain recognized in net investment income related to private equity partnerships still held at year-end was $102.9 million and $124.1 million, respectively, reduced by net management fees and partnership expenses of $(24.8) million and $(14.0) million, respectively. See Note 2 for further discussion of private equity partnerships.

151
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 3 - Investments - Continued

Investment Gain and Loss

Investment gains and losses are as follows:

 Year Ended December 31
 202420232022
 (in millions of dollars)
Fixed Maturity Securities
Gross Gains on Sales
$1.3 $4.4 $2.3 
Gross Losses on Sales(39.5)(53.1)(28.8)
Impairment Loss1
(2.5)— — 
Change in Allowance for Credit Losses
(3.0)(2.2)(4.6)
Mortgage Loans and Other Invested Assets
Gross Gains on Sales0.5 6.0 1.4 
Gross Losses on Sales— (1.0)— 
Impairment Loss
(7.0)(3.0)— 
Change in Allowance for Credit Losses(5.9)(0.9)(1.0)
Embedded Derivative in Modified Coinsurance Arrangement13.0 12.4 16.2 
All Other Derivatives3.8 (0.6)2.6 
Other
9.2 — — 
Foreign Currency Transactions(4.5)2.0 (3.8)
Net Investment (Loss)
$(34.6)$(36.0)$(15.7)

1Includes write-down of securities that we intended to sell prior to recovery of the amortized cost basis.
152
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments
Purpose of Derivatives

We are exposed to certain risks relating to our ongoing business operations. The primary risks managed by using derivative instruments are interest rate risk, risk related to matching duration for our assets and liabilities, foreign currency risk, and equity risk. Historically, we have utilized current and forward interest rate swaps, current and forward currency swaps, forward benchmark interest rate locks, currency forward contracts, forward contracts on specific fixed income securities, and total return swaps. Transactions hedging interest rate risk are primarily associated with our individual and group long-term care and individual and group disability products. All other product portfolios are periodically reviewed to determine if hedging strategies would be appropriate for risk management purposes. We do not use derivative financial instruments for speculative purposes.

Derivatives designated as cash flow hedges and used to reduce our exposure to interest rate and duration risk are as follows:

•Interest rate swaps were used to hedge interest rate risks and to improve the matching of assets and liabilities. An interest rate swap is an agreement in which we agree with other parties to exchange, at specified intervals, the difference between fixed rate and variable rate interest amounts. We used interest rate swaps to hedge the anticipated purchase of fixed maturity securities thereby protecting us from the potential adverse impact of declining interest rates on the associated policy reserves. We also used interest rate swaps to hedge the potential adverse impact of rising interest rates in anticipation of issuing fixed rate long-term debt.

•Forward benchmark interest rate locks are used to minimize interest rate risk associated with the anticipated purchase or associated future coupons of fixed maturity securities or the anticipated issuance of fixed rate long-term debt. A forward benchmark interest rate lock is a derivative contract without an initial investment where we and the counterparty agree to purchase or sell a specific benchmark interest rate fixed maturity bond at a future date at a predetermined price or yield.

Derivatives designated as either cash flow or fair value hedges and used to reduce our exposure to foreign currency risk are as follows:

•Foreign currency interest rate swaps are used to hedge the currency risk of certain foreign currency-denominated fixed maturity securities owned for portfolio diversification. Under these swap agreements, we agree to pay, at specified intervals, fixed rate foreign currency-denominated principal and interest payments in exchange for fixed rate payments in the functional currency of the operating segment.

Derivatives not designated as hedging instruments and used to reduce our exposure to foreign currency risk and volatility of the underlying deferred assets in our non-qualified defined contribution plan are as follows:

•Foreign currency interest rate swaps previously designated as hedges were used to hedge the currency risk of certain foreign currency-denominated fixed maturity securities owned for portfolio diversification. These derivatives were effective hedges prior to novation to a new counterparty. In conjunction with the novation, these derivatives were de-designated as hedges. We agree to pay, at specified intervals, fixed rate foreign currency-denominated principal and interest payments in exchange for fixed rate payments in the functional currency of the operating segment. We hold offsetting swaps wherein we agree to pay fixed rate principal and interest payments in the functional currency of the operating segment in exchange for fixed rate foreign currency-denominated payments.

•Foreign currency forward contracts are used to minimize foreign currency risk. A foreign currency forward is a derivative without an initial investment where we and the counterparty agree to exchange a specific amount of currencies, at a specific exchange rate, on a specific date. We use these forward contracts to hedge the currency risk arising from foreign-currency denominated investments.

•Total Return Swaps are used to economically hedge a portion of the liability related to our non-qualified defined contribution plan. A total return swap is an agreement in which we pay a floating rate of interest to the counterparty
153
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
and receive the total return on a portfolio of mutual funds and exchange traded funds. These swaps are cash settled on the last day of every month and the notional is re-established each month based on plan participant actions.

Derivative Risks

The basic types of risks associated with derivatives are market risk (that the value of the derivative will be adversely impacted by changes in the market, primarily changes in interest rates, exchange rates, and equity prices) and credit risk (that the counterparty will not perform according to the terms of the contract). The market risk of the derivatives should generally offset the market risk associated with the hedged financial instrument or liability. To help limit the credit exposure of the derivatives, we enter into master netting agreements with our counterparties whereby contracts in a gain position can be offset against contracts in a loss position. We also typically enter into bilateral, cross-collateralization agreements with our counterparties to help limit the credit exposure of the derivatives. These agreements require the counterparty in a loss position to submit acceptable collateral with the other counterparty in the event the net loss position meets or exceeds an agreed upon amount. Credit exposure on derivatives is limited to the value of those contracts in a net gain position, including accrued interest receivable less collateral held. At December 31, 2024 and 2023, we had $0.5 million and $1.6 million credit exposure on derivatives, respectively. The table below summarizes the nature and amount of collateral received from and posted to our derivative counterparties.

December 31
20242023
(in millions of dollars)
Carrying Value of Collateral Received from Counterparties
Cash$3.6 $11.1 
Fixed Maturity Securities8.4 26.3 
$12.0 $37.4 
Carrying Value of Collateral Posted to Counterparties
Cash$4.0 $— 
Fixed Maturity Securities196.7 39.8 
$200.7 $39.8 

See Note 3 for further discussion of our master netting agreements.

All of our derivative instruments contain provisions that require us to maintain specified issuer credit ratings and financial strength ratings. Should our ratings fall below these specified levels, we would be in violation of the provisions, and our derivatives counterparties could terminate our contracts and request immediate payment. The aggregate fair value of all derivative instruments with credit risk-related contingent features that were in a liability position was $255.7 million and $116.2 million at December 31, 2024 and 2023, respectively.

Cash Flow Hedges

As of December 31, 2024 and 2023, we had $139.1 million and $149.5 million, respectively, notional amount of receive fixed, pay fixed, open current and forward foreign currency interest rate swaps to hedge fixed income foreign currency-denominated securities.

As of December 31, 2024 and 2023, we had $2,570.0 million and $1,905.0 million, respectively, notional amount of forward benchmark interest rate locks to hedge the anticipated purchase or associated future coupons of fixed maturity securities.

As of December 31, 2024, we expect to amortize approximately $9.2 million of net deferred gains on derivative instruments during the next twelve months. This amount will be reclassified from AOCI into earnings and reported on the same income statement line item as the hedged item. The income statement line items that will be affected by this amortization are net
154
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
investment income and interest and debt expense. Additional amounts that may be reclassified from AOCI into earnings to offset the earnings impact of foreign currency translation of hedged items are not estimable.

As of December 31, 2024, we are hedging the variability of future cash flows associated with forecasted transactions through the year 2064.

Fair Value Hedges

As of December 31, 2024 and 2023, we had $736.4 million and $642.5 million notional amount of receive fixed, pay fixed, open current and forward foreign currency interest rate swaps to hedge fixed income foreign currency-denominated securities.

The following tables summarize the amortized cost, carrying amount of hedged assets, and the related cumulative basis adjustments related to our fair value hedges:
December 31, 2024
(in millions of dollars)
Amortized Cost of Hedged Assets
Carrying Amount of Hedged Assets
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed maturity securities:
Receive fixed foreign currency interest, pay fixed foreign currency interest$648.4 $551.0 $(46.3)
December 31, 2023
(in millions of dollars)
Amortized Cost of Hedged Assets
Carrying Amount of Hedged Assets
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed maturity securities:
Receive fixed foreign currency interest, pay fixed foreign currency interest$636.9 $529.2 $(6.1)

For the years ended December 31, 2024, 2023, and 2022, $(22.0) million, $(21.1) million, and $17.6 million, respectively, of the derivative instruments' gain (loss) related to cross-currency basis spread and forward points was excluded from the assessment of hedge effectiveness. There were no instances wherein we discontinued fair value hedge accounting due to a hedged firm commitment no longer qualifying as a fair value hedge.

Derivatives not Designated as Hedging Instruments

As of December 31, 2024 and 2023, we held $125.9 million and $132.0 million, respectively, notional amount of receive fixed, pay fixed, foreign currency interest rate swaps. These derivatives are not designated as hedges, and as such, changes in fair value related to these derivatives are reported in earnings as a component of net investment gain or loss.

As of December 31, 2024 and 2023, we held $51.1 million and $52.5 million, respectively, notional amount of foreign currency forwards to mitigate the foreign currency risk associated with specific securities owned. These derivatives are not designated as hedges, and as such, changes in fair value related to these derivatives are reported in earnings as a component of net investment gain or loss.

As of December 31, 2024 and 2023, we held $128.9 million and $102.2 million, respectively, notional amount of total return swaps to mitigate the volatility associated with changes in the fair value of the underlying notional assets in our non-qualified
155
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
defined contribution plan. This derivative is an economic hedge not designated as a hedging instrument, and changes in fair value are reported as a component of other expenses in our income statement.

We have an embedded derivative in a modified coinsurance arrangement for which we include in our net investment gains and losses a calculation intended to estimate the value of the option of our reinsurance counterparty to cancel the reinsurance contract with us. However, neither party can unilaterally terminate the reinsurance agreement except in extreme circumstances resulting from regulatory supervision, delinquency proceedings, or other direct regulatory action. Cash settlements or collateral related to this embedded derivative are not required at any time during the reinsurance contract or at termination of the reinsurance contract. There are no credit-related counterparty triggers, and any accumulated embedded derivative gain or loss reduces to zero over time as the reinsured business winds down.

Locations and Amounts of Derivative Financial Instruments

The following tables summarize the notional amounts and fair values of derivative financial instruments, as reported in our consolidated balance sheets. Derivative assets are included in other long-term investments, while derivative liabilities are included in other liabilities within our consolidated balance sheets. The notional amounts represent the basis upon which our counterparty pay and receive amounts are calculated.

 December 31, 2024
 Derivative AssetsDerivative Liabilities
 Notional
Amount		Fair
Value		Fair
Value
(in millions of dollars)
Designated as Hedging Instruments
Cash Flow Hedges
Forward Benchmark Interest Rate Locks$2,570.0 $3.4 $223.2 
Foreign Currency Interest Rate Swaps139.1 17.6 1.1 
Total Cash Flow Hedges2,709.1 21.0 224.3 
Fair Value Hedges
Foreign Currency Interest Rate Swaps736.4 54.7 15.0 
Total Designated as Hedging Instruments$3,445.5 $75.7 $239.3 
Not Designated as Hedging Instruments
Foreign Currency Forwards$51.1 $3.1 $— 
Foreign Currency Interest Rate Swaps125.9 0.6 16.4 
Total Return Swaps128.9 — — 
Embedded Derivative in Modified Coinsurance Arrangement— 11.5 — 
Total Not Designated as Hedging Instruments$305.9 $15.2 $16.4 
Total Derivatives$3,751.4 $90.9 $255.7 
156
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
 December 31, 2023
 Derivative AssetsDerivative Liabilities
 Notional
Amount		Fair
Value		Fair
Value
(in millions of dollars)
Designated as Hedging Instruments
Cash Flow Hedges
Forward Benchmark Interest Rate Locks$1,905.0 $44.5 $77.8 
Foreign Currency Interest Rate Swaps149.5 14.2 4.5 
Total Cash Flow Hedges2,054.5 58.7 82.3 
Fair Value Hedges
Foreign Currency Interest Rate Swaps642.5 38.2 16.7 
Total Designated as Hedging Instruments$2,697.0 $96.9 $99.0 
Not Designated as Hedging Instruments
Foreign Currency Forwards$52.5 $3.0 $0.2 
Foreign Currency Interest Rate Swaps132.0 — 17.0 
Total Return Swaps102.2 — — 
Embedded Derivative in Modified Coinsurance Arrangement— — 1.5 
Total Not Designated as Hedging Instruments$286.7 $3.0 $18.7 
Total Derivatives$2,983.7 $99.9 $117.7 


The following tables summarize the location of gains and losses of derivative financial instruments designated as hedging instruments, as reported in our consolidated statements of income.

157
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
 Year Ended December 31, 2024
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,130.0 $(34.6)$201.1 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items109.6 — 2.9 
Derivatives Designated as Hedging Instruments17.4 — — 
Foreign Exchange Contracts:
Hedged items8.6 (0.4)— 
Derivatives Designated as Hedging Instruments0.7 0.4 — 
Forward Benchmark Interest Rate Locks:
Hedged items40.7 — — 
Derivatives Designated as Hedging Instruments(1.0)— — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items17.1 (40.2)— 
Derivatives Designated as Hedging Instruments14.5 40.2 — 

158
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
 Year Ended December 31, 2023
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,096.7 $(36.0)$194.8 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items198.6 0.8 2.9 
Derivatives Designated as Hedging Instruments35.2 — — 
Foreign Exchange Contracts:
Hedged items9.6 0.4 — 
Derivatives Designated as Hedging Instruments— (0.4)— 
Forward Benchmark Interest Rate Locks:
Hedged items18.5 — — 
Derivatives Designated as Hedging Instruments(0.5)— — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items14.5 18.7 — 
Derivatives Designated as Hedging Instruments11.1 (18.7)— 

 Year Ended December 31, 2022
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,122.2 $(15.7)$188.5 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items200.0 — 2.9 
Derivatives Designated as Hedging Instruments51.0 — — 
Foreign Exchange Contracts:
Hedged items12.3 (2.3)— 
Derivatives Designated as Hedging Instruments(0.8)1.8 — 
Forward Benchmark Interest Rate Locks:
Hedged items0.5 — — 
Derivatives Designated as Hedging Instruments— — — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items11.6 (26.8)— 
Derivatives Designated as Hedging Instruments7.3 26.8 — 
159
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 4 - Derivative Financial Instruments - Continued
The following table summarizes the location of gains and losses of derivative financial instruments designated as cash flow hedging instruments, as reported in our consolidated statements of comprehensive income (loss).
Year Ended December 31
 202420232022
 (in millions of dollars)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives
Forward Benchmark Interest Rate Locks
$(213.8)$(22.5)$(49.8)
Foreign Exchange Contracts7.2 (4.3)7.4 
Total$(206.6)$(26.8)$(42.4)

The following table summarizes the location of gains and losses on our derivatives not designated as hedging instruments, as reported in our consolidated statements of income.
 Year Ended December 31
 202420232022
 (in millions of dollars)
Net Investment Gain (Loss)
Foreign Exchange Contracts$3.8 $(0.6)$2.7 
Embedded Derivative in Modified Coinsurance Arrangement13.0 12.4 16.2 
Total$16.8 $11.8 $18.9 
Other Expenses
(Gain) Loss on Total Return Swaps$(12.5)$(13.6)$18.9 

160
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 5 - Accumulated Other Comprehensive Loss
Components of AOCI, after tax, and related changes are as follows:
Net Unrealized Gain (Loss) on Securities
Effect of Change in Discount Rate Assumptions on the LFPB1
Net Gain (Loss) on Derivatives
Foreign Currency Translation AdjustmentUnrecognized Pension and Postretirement Benefit CostsTotal
(in millions of dollars)
Balance at December 31, 2021$4,014.4 $(8,570.7)$61.8 $(274.1)$(396.0)$(5,164.6)
Other Comprehensive Income (Loss) Before Reclassifications(7,066.0)8,884.6 (30.4)(116.0)49.7 1,721.9 
Amounts Reclassified from AOCI
23.2 — (41.0)— 12.2 (5.6)
Net Other Comprehensive Income (Loss)(7,042.8)8,884.6 (71.4)(116.0)61.9 1,716.3 
Balance at December 31, 2022(3,028.4)313.9 (9.6)(390.1)(334.1)(3,448.3)
Other Comprehensive Income (Loss) Before Reclassifications1,069.3 (962.3)(37.4)69.0 (16.9)121.7 
Amounts Reclassified from AOCI
40.0 — (26.7)— 5.3 18.6 
Net Other Comprehensive Income (Loss)1,109.3 (962.3)(64.1)69.0 (11.6)140.3 
Balance at December 31, 2023(1,919.1)(648.4)(73.7)(321.1)(345.7)(3,308.0)
Other Comprehensive Income (Loss) Before Reclassifications(870.4)1,833.8 (184.4)(21.9)(7.4)749.7 
Amounts Reclassified from AOCI
34.3 — (12.6)— 12.9 34.6 
Net Other Comprehensive Income (Loss)(836.1)1,833.8 (197.0)(21.9)5.5 784.3 
Balance at December 31, 2024$(2,755.2)$1,185.4 $(270.7)$(343.0)$(340.2)$(2,523.7)
1Liability for Future Policy Benefits



161
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 5 - Accumulated Other Comprehensive Loss - Continued
Amounts reclassified from AOCI were recognized in our consolidated statements of income as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Net Unrealized Gain (Loss) on Securities
Net Investment Loss on Fixed Maturity Securities
Net Loss on Sales$(38.2)$(48.7)$(24.8)
Impairment Loss(2.5)— — 
Change in Allowance for Credit Losses(3.0)(2.2)(4.6)
(43.7)(50.9)(29.4)
Income Tax Benefit(9.4)(10.9)(6.2)
Total$(34.3)$(40.0)$(23.2)
Net Gain (Loss) on Derivatives
Net Investment Income
Gain on Interest Rate Swaps and Forwards$16.4 $34.7 $51.1 
Loss on Foreign Currency Interest Rate Swaps (0.2)(0.5)(1.0)
Net Investment Gain (Loss)
Gain (Loss) on Foreign Currency Interest Rate Swaps(0.2)(0.4)1.8 
16.0 33.8 51.9 
Income Tax Expense3.4 7.1 10.9 
Total$12.6 $26.7 $41.0 
Unrecognized Pension and Postretirement Benefit Costs
Other Expenses
Amortization of Net Actuarial Loss$(16.4)$(7.2)$(15.7)
Amortization of Prior Service Credit0.1 0.2 0.2 
(16.3)(7.0)(15.5)
Income Tax Benefit(3.4)(1.7)(3.3)
Total$(12.9)$(5.3)$(12.2)

162
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits
Liabilities for future policy benefits represent the cost of claims that we estimate we will eventually pay to our policyholders which includes policy liabilities for claims not yet incurred and for claims that have been incurred or are estimated to have been incurred but not yet reported to us. Liabilities for future policy benefits also include the related expenses for our non interest-sensitive life and accident and health products. The liability for future policy benefits is calculated based on the present value of the estimated future policy benefits less the present value of estimated future net premiums collected. Net premiums represent the portion of the gross premium required to provide for all benefits and expenses, excluding acquisition costs or any costs that are required to be charged to expense as incurred. In calculating the liability for future policy benefits, our long-duration contracts are grouped into cohorts by product type and contract issue year.

The calculation of the liability for future policy benefits involves numerous assumptions including assumptions related to discount rate, lapses, mortality, and morbidity. Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently if necessary based on trending experience and future expectations. On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience.

The initial, also referred to as the original, discount rate assumptions established for each cohort are used to determine interest accretion. After policy issuance or policy renewal, the discount rate assumptions are updated quarterly and used to update the liability at each reporting date to the current discount rate. The weighted average current discount rate was 5.3 percent at December 31, 2024, 4.8 percent at December 31, 2023, and 5.0 percent at December 31, 2022. The discount rate was higher at December 31, 2024 relative to December 31, 2023 due to an increase in U.S. Treasury rates. The discount rate was lower at December 31, 2023 relative to December 31, 2022 due primarily to a decrease in credit spreads.

During the third quarter of 2024, we completed our annual cash flow assumption review and we updated certain of our assumptions used to develop the liability for future policy benefits which resulted in a net decrease to the liability. The decrease to the liability for future policy benefits was driven primarily by assumption updates in our Closed Block long-term care product line, Unum US group disability product line, Unum US individual disability product line, and the Colonial Life segment. The Closed Block long-term care assumption updates were primarily driven by an increase to expected premium rate increase approvals within our existing premium rate increase program, partially offset by lower than expected persistency on group policies. The Unum US group disability product line assumption updates were primarily related to claim resolution assumptions driven by favorable claim recovery trends, while the Unum US individual disability product line assumption updates were primarily driven by favorable claim incidence trends. The Colonial Life segment assumption updates were driven by improved claim cost assumptions.

During the third quarter of 2023, we completed our annual cash flow assumption review and updated certain of our assumptions used to develop the liability for future policy benefits which resulted in a net increase to the liability. The increase to the liability for future policy benefits was driven primarily by assumption updates in our Closed Block long-term care product line, partially offset by assumption updates in the Unum US group disability product line and in the Colonial Life segment. The long-term care assumption updates were primarily driven by lower expectations for active policy lapse and mortality assumptions, partially offset by an increase to expected premium rate increase approvals within our existing premium rate increase program. The Unum US group disability product line assumption updates were primarily related to claim resolution assumptions driven by favorable claim recovery trends, while the Colonial Life segment assumption updates were driven by improved claim cost assumptions and increases in policyholder lapse rates.

163
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

During the third quarter of 2022, we completed our annual cash flow assumption review and updated certain of our assumptions used to develop the liability for future policy benefits which resulted in a net increase to the liability. The increase to the liability for future policy benefits was driven primarily by assumption updates related to the reinsured portion of our Closed Block segment, mostly offset by assumption updates in the Unum US segment and the Colonial Life segment. The Closed Block segment assumption updates related to the reinsured portion of our all other product line primarily included updates to mortality assumptions for the advanced age portion of our individual disability claimant population. This advanced age claimant population was included in the block ceded as a part of the Closed Block individual disability reinsurance transaction with Commonwealth Annuity and Life Insurance Company. As a result, a corresponding increase was reported in our consolidated balance sheet as a reinsurance recoverable related to these assumption updates. The Unum US segment assumption updates were primarily driven by sustained improvement in claim recovery trends in our group disability and group life product lines, partially offset by lower social security benefit offsets in our group disability product line. The Colonial Life segment assumption updates were primarily driven by improved claim cost assumptions.

Actual variance from expected experience for 2024 was due primarily to the Unum US group disability, Closed Block long-term care, and the Unum US group life and accidental death and dismemberment product lines, as well as the Unum International and Colonial Life segments. The variance in the Unum US group disability product line was primarily due to higher than expected claim resolutions driven by recoveries. The variance in our Closed Block long-term care product line was driven primarily by higher than expected claim incidence, as well as lower than expected policy terminations, partially offset by higher than expected claim resolutions. The variance in the Unum US group life and accidental death and dismemberment product line was driven primarily by higher than expected claim resolutions driven by recoveries for waiver of premium benefits and lower than expected mortality experience. The variance in the Unum International segment was driven by higher than expected recoveries. The variance in the Colonial Life segment was driven by lower than expected claim costs.

Actual variance from expected experience for 2023 was due primarily to the Unum US group disability, Unum US group life and accidental death and dismemberment, Unum US individual disability, and Closed Block long-term care product lines. The variance for the Unum US group disability product line was driven by higher than expected claim resolutions driven by recoveries, and the variance in the group life and accidental death and dismemberment product line was driven by lower than expected mortality experience and higher than expected recovery experience for waiver of premium benefits. The variance in the Unum US individual disability product line was driven primarily by lower than expected new claim incidence, while the variance for the Closed Block long-term care product line was driven by higher than expected claim incidence.

Actual variance from expected experience for 2022 was due primarily to the Unum US group disability, Unum US group life and accidental death and dismemberment, and the Unum UK group product lines, as well as the Colonial Life segment. The variance for the Unum US group disability product line was driven by higher than expected claim resolutions driven by recoveries, and the variance in the group life and accidental death and dismemberment product line was driven by lower than expected new claim incidence for waiver of premium benefits. The variance in the Unum UK group product lines was driven by an increase in inflation-linked experience compared to expectations. The variance for the Colonial Life segment was driven primarily by lower claim costs.

For the years ended December 31, 2024, 2023, and 2022 there were certain cohorts within the Colonial Life segment, related to our cancer and critical illness product line, and within the Closed Block segment, related to our long-term care product line, for which net premiums exceeded gross premiums. The cohorts for which net premiums exceeded gross premiums within the Closed Block segment resulted in a $46.2 million increase to income before income tax for the year ended December 31, 2024 and resulted in a $226.5 million reduction to income before income tax for the year ended December 31, 2023. For the years ended December 31, 2024, 2023, and 2022, the cohorts for which net premiums exceeded the gross premiums within the Colonial Life segment had an immaterial impact to income before income tax. The impact to income for capped cohorts includes the impact of assumption updates. There were no other product lines with cohorts for which net premiums exceeded gross premiums for the years ended December 31, 2024, 2023, and 2022.

164
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

The following table presents balances as well as the changes in the liability for future policy benefits for traditional long duration products.
Consolidated
December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$14,417.8$12,426.2 $15,881.3 
Beginning balance at original discount rate14,243.2 12,695.3 13,186.2 
Effect of changes in cash flow assumptions73.0 1,499.2 (101.9)
Effect of actual variances from expected experience(148.2)(82.5)(269.6)
Adjusted beginning of year balance14,168.014,112.012,814.7
Issuances1,075.31,054.9 877.5 
Interest accretion637.0584.0 566.0 
Net premiums collected(1,597.9)(1,537.4)(1,542.3)
Foreign currency(15.5)29.7(20.6)
Ending balance at original discount rate14,266.914,243.212,695.3
Effect of change in discount rate assumptions(336.3)174.6 (269.1)
Balance, end of period$13,930.6$14,417.8$12,426.2
Present Value of Expected Future Policy Benefits
Balance, beginning of year$52,423.6$48,929.4$65,305.0
Beginning balance at original discount rate51,305.7 49,689.0 50,397.2 
Effect of changes in cash flow assumptions(248.5)1,702.0 (92.4)
Effect of actual variances from expected experience(336.1)(310.8)(535.1)
Adjusted beginning of year balance50,721.151,080.249,769.7
Issuances1
3,082.03,072.23,194.5
Interest accretion2,253.12,227.22,236.2
Benefit payments(5,215.2)(5,236.1)(5,231.0)
Foreign currency(62.8)162.2(280.4)
Ending balance at original discount rate50,778.251,305.749,689.0
Effect of change in discount rate assumptions(1,858.1)1,117.9 (759.6)
Balance, end of period$48,920.1$52,423.6$48,929.4
Net liability for future policy benefits$34,989.5$38,005.8$36,503.2
Other2
1,591.7 1,753.3 1,854.5 
Total liability for future policy benefits36,581.2 39,759.1 38,357.7 
Less: Reinsurance recoverable related to future policy benefits7,038.7 7,756.1 8,128.2 
Net liability for future policy benefits, after reinsurance recoverable$29,542.5$32,003.0$30,229.5
1Issuances include new policy issuances for most product lines. For our Unum US group disability, Unum US group life and AD&D and Closed Block - All Other product lines and certain of our Unum International product lines, this line represents new claim incurrals.
2Other primarily relates to our Closed Block - All Other product line.

165
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products presented in the rollforward activity above.

Consolidated
Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$10,107.5$9,690.7$9,391.8
Interest accretion$1,616.1$1,643.2$1,670.2

Consolidated
December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$103,434.1$105,325.8$97,060.7
Expected future gross premiums$39,338.5$38,761.5$35,299.8
Amount of discounted (at interest accretion rate):
Expected future gross premiums$25,929.1$25,552.9$23,827.2
Weighted average interest rate:
Interest accretion rate4.9 %4.8 %4.8 %
Current discount rate5.3 %4.8 %5.0 %
Weighted average duration of the liability
11.4 years11.5 years10.9 years


166
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

Unum US Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Unum US segment.
December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $— $— $1,134.7 $1,296.7 $2,431.4
Beginning balance at original discount rate— — 1,192.5 1,294.4 2,486.9
Effect of changes in cash flow assumptions— — 41.5 (100.2)(58.7)
Effect of actual variances from expected experience— — (66.2)(3.4)(69.6)
Adjusted beginning of year balance——1,167.81,190.82,358.6
Issuances— — 316.3168.7485.0
Interest accretion— — 39.451.691.0
Net premiums collected— — (188.2)(180.4)(368.6)
Ending balance at original discount rate——1,335.31,230.72,566.0
Effect of change in discount rate assumptions——(95.1)(28.2)(123.3)
Balance, end of period$—$—$1,240.2$1,202.5$2,442.7
Present Value of Expected Future Policy Benefits
Balance, beginning of year$5,147.4$922.0$2,334.5$3,348.6$11,752.5
Beginning balance at original discount rate5,277.1936.52,422.03,313.911,949.5
Effect of changes in cash flow assumptions(76.4)(17.0)51.6(155.4)(197.2)
Effect of actual variances from expected experience(168.9)(53.1)(68.0)(19.1)(309.1)
Adjusted beginning of year balance5,031.8866.42,405.63,139.411,443.2
Issuances1
1,093.2375.4339.3183.11,991.0
Interest accretion151.317.797.7149.1415.8
Benefit payments(1,368.8)(406.9)(228.0)(280.5)(2,284.2)
Ending balance at original discount rate4,907.5852.62,614.63,191.111,565.8
Effect of change in discount rate assumptions(171.7)(17.4)(252.1)(94.6)(535.8)
Balance, end of period$4,735.8$835.2$2,362.5$3,096.5$11,030.0
Net liability for future policy benefits$4,735.8$835.2$1,122.3$1,894.0$8,587.3
Other0.40.82.826.430.4
Total liability for future policy benefits4,736.2836.01,125.11,920.48,617.7
Less: Reinsurance recoverable related to future policy benefits26.45.313.0149.3194.0
Net liability for future policy benefits, after reinsurance recoverable$4,709.8$830.7$1,112.1$1,771.1$8,423.7
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
167
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$—$—$868.2$1,202.9$2,071.1
Beginning balance at original discount rate——937.91,228.12,166.0
Effect of changes in cash flow assumptions——180.75.0185.7
Effect of actual variances from expected experience——(79.8)(10.4)(90.2)
Adjusted beginning of year balance——1,038.81,222.72,261.5
Issuances——288.6197.9486.5
Interest accretion——29.048.277.2
Net premiums collected——(163.9)(174.4)(338.3)
Ending balance at original discount rate——1,192.51,294.42,486.9
Effect of change in discount rate assumptions——(57.8)2.3(55.5)
Balance, end of period$—$—$1,134.7$1,296.7$2,431.4
Present Value of Expected Future Policy Benefits
Balance, beginning of year $5,533.3$972.6$1,999.5$3,192.8$11,698.2
Beginning balance at original discount rate5,793.1998.52,141.23,244.512,177.3
Effect of changes in cash flow assumptions(100.2)—170.17.977.8
Effect of actual variances from expected experience(204.0)(37.0)(90.9)(45.3)(377.2)
Adjusted beginning of year balance5,488.9961.52,220.43,207.111,877.9
Issuances1
1,094.5394.2303.7215.32,007.7
Interest accretion171.220.086.2164.7442.1
Benefit payments(1,477.5)(439.2)(188.3)(273.2)(2,378.2)
Ending balance at original discount rate5,277.1936.52,422.03,313.911,949.5
Effect of change in discount rate assumptions(129.7)(14.5)(87.5)34.7(197.0)
Balance, end of period$5,147.4$922.0$2,334.5$3,348.6$11,752.5
Net liability for future policy benefits$5,147.4$922.0$1,199.8$2,051.9$9,321.1
Other0.21.02.627.831.6
Total liability for future policy benefits5,147.6923.01,202.42,079.79,352.7
Less: Reinsurance recoverable related to future policy benefits30.77.214.0156.7208.6
Net liability for future policy benefits, after reinsurance recoverable$5,116.9$915.8$1,188.4$1,923.0$9,144.1
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
168
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$—$—$1,124.8$1,494.3$2,619.1
Beginning balance at original discount rate——1,032.31,279.62,311.9
Effect of changes in cash flow assumptions——(23.4)(73.7)(97.1)
Effect of actual variances from expected experience——(70.9)(25.2)(96.1)
Adjusted beginning of year balance——938.01,180.72,118.7
Issuances——136.2168.6304.8
Interest accretion——29.149.878.9
Net premiums collected——(165.4)(171.0)(336.4)
Ending balance at original discount rate——937.91,228.12,166.0
Effect of change in discount rate assumptions——(69.7)(25.2)(94.9)
Balance, end of period$—$—$868.2$1,202.9$2,071.1
Present Value of Expected Future Policy Benefits
Balance, beginning of year $6,725.7$1,124.1$2,697.3$4,017.3$14,564.4
Beginning balance at original discount rate6,158.31,058.32,201.83,253.312,671.7
Effect of changes in cash flow assumptions(102.0)(32.9)(39.9)(53.4)(228.2)
Effect of actual variances from expected experience(239.4)(34.3)(74.9)(36.0)(384.6)
Adjusted beginning of year balance5,816.9991.12,087.03,163.912,058.9
Issuances1
1,304.3444.1154.0181.42,083.8
Interest accretion210.524.586.1155.3476.4
Benefit payments(1,538.6)(461.2)(185.9)(256.1)(2,441.8)
Ending balance at original discount rate5,793.1998.52,141.23,244.512,177.3
Effect of change in discount rate assumptions(259.8)(25.9)(141.7)(51.7)(479.1)
Balance, end of period$5,533.3$972.6$1,999.5$3,192.8$11,698.2
Net liability for future policy benefits$5,533.3$972.6$1,131.3$1,989.9$9,627.1
Other0.40.915.624.741.6
Total liability for future policy benefits5,533.7973.51,146.92,014.69,668.7
Less: Reinsurance recoverable related to future policy benefits36.07.514.1193.6251.2
Net liability for future policy benefits, after reinsurance recoverable$5,497.7$966.0$1,132.8$1,821.0$9,417.5
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
169
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Unum US segment presented in the rollforward activity above.
Year Ended December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$3,070.4$1,996.0$821.7$659.0$6,547.1
Interest accretion$151.3$17.7$58.3$97.5$324.8

Year Ended December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$2,958.7$1,878.0$789.9$636.6$6,263.2
Interest accretion$171.2$20.0$57.2$116.5$364.9

Year Ended December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$2,791.7$1,864.9$773.6$591.5$6,021.7
Interest accretion$210.5$24.5$57.0$105.5$397.5

170
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$5,953.3 $964.5$5,590.6 $5,112.9$17,621.3 
Expected future gross premiums$— $—$5,799.1 $5,858.2$11,657.3 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$3,815.4 $4,211.8 $8,027.2 
Weighted average interest rate:
Interest accretion rate4.2 %2.3 %5.0 %5.1 %4.3%
Current discount rate4.9 %2.7 %5.5 %5.3 %4.9%
Weighted average duration of the liability4.2 years2.4 years18.3 years9.4 years7.1 years
171
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$6,376.6 $1,063.2$5,173.1 $5,313.7$17,926.6 
Expected future gross premiums$— $—$5,450.6 $5,724.8$11,175.4 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$3,717.5 $4,112.9 $7,830.4 
Weighted average interest rate:
Interest accretion rate4.0 %2.2 %5.0 %5.1 %4.2%
Current discount rate4.6 %2.6 %4.9 %4.8 %4.5%
Weighted average duration of the liability4.3 years2.6 years18.1 years9.6 years7.0 years

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$6,988.1 $1,133.0$4,561.1 $5,168.2$17,850.4 
Expected future gross premiums$— $—$3,979.6 $5,525.1$9,504.7 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$2,939.1 $3,962.1 $6,901.2 
Weighted average interest rate:
Interest accretion rate3.8 %2.2 %5.1 %5.1 %4.0%
Current discount rate4.9 %2.7 %5.2 %5.1 %4.7%
Weighted average duration of the liability4.4 years2.6 years17.8 years9.4 years6.8 years
172
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

Unum International Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Unum International segment.

December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$270.3$197.1$260.5
Beginning balance at original discount rate298.4 246.8 258.1 
Effect of changes in cash flow assumptions(5.9)(5.1)(0.3)
Effect of actual variances from expected experience19.9 17.1 5.6 
Adjusted beginning of year balance312.4258.8263.4
Issuances34.423.517.8
Interest accretion11.49.48.4
Net premiums collected(28.5)(23.0)(22.2)
Foreign currency(15.5)29.7(20.6)
Ending balance at original discount rate314.2298.4246.8
Effect of change in discount rate assumptions(38.1)(28.1)(49.7)
Balance, end of period$276.1$270.3$197.1
Present Value of Expected Future Policy Benefits
Balance, beginning of year$2,527.4$2,231.4$3,181.8
Beginning balance at original discount rate2,687.1 2,495.5 2,703.8 
Effect of changes in cash flow assumptions0.1 17.7 (20.1)
Effect of actual variances from expected experience(20.5)1.3 46.3 
Adjusted beginning of year balance2,666.72,514.52,730.0
Issuances1
379.0335.2327.7
Interest accretion67.963.564.9
Benefit payments(409.3)(388.3)(346.7)
Foreign currency(62.8)162.2(280.4)
Ending balance at original discount rate2,641.52,687.12,495.5
Effect of change in discount rate assumptions(249.9)(159.7)(264.1)
Balance, end of period$2,391.6$2,527.4$2,231.4
Net liability for future policy benefits$2,115.5$2,257.1$2,034.3
Other40.7 36.1 28.9 
Total liability for future policy benefits2,156.2 2,293.2 2,063.2 
Less: Reinsurance recoverable related to future policy benefits67.9 78.7 70.3 
Net liability for future policy benefits, after reinsurance recoverable$2,088.3$2,214.5$1,992.9
1Issuances for Unum International primarily represent new claim incurrals.

173
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Unum International segment presented in the rollforward activity above.
Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$957.1$849.0$786.8
Interest accretion$56.5$54.1$56.5

December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$4,258.2 $4,261.1 $3,905.4 
Expected future gross premiums$1,295.7 $1,196.6 $943.9 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$823.4 $778.6 $626.2 
Weighted average interest rate:
Interest accretion rate4.1 %4.0 %4.0 %
Current discount rate5.1 %4.6 %5.0 %
Weighted average duration of the liability8.8 years8.6 years8.6 years


174
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

Colonial Life Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Colonial Life segment.

December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$3,592.6$3,745.4$4,597.0
Beginning balance at original discount rate3,754.3 4,046.4 4,158.9 
Effect of changes in cash flow assumptions(7.9)(322.7)(32.3)
Effect of actual variances from expected experience(57.3)(53.5)(145.6)
Adjusted beginning of year balance3,689.13,670.23,981.0
Issuances555.9544.9554.9
Interest accretion132.8122.7129.7
Net premiums collected(584.0)(583.5)(619.2)
Ending balance at original discount rate3,793.83,754.34,046.4
Effect of change in discount rate assumptions(240.5)(161.7)(301.0)
Balance, end of period$3,553.3$3,592.6$3,745.4
Present Value of Expected Future Policy Benefits
Balance, beginning of year$5,566.0$5,581.1$7,054.8
Beginning balance at original discount rate5,925.2 6,163.9 6,201.5 
Effect of changes in cash flow assumptions(52.7)(402.9)(85.9)
Effect of actual variances from expected experience(92.2)(52.0)(191.3)
Adjusted beginning of year balance5,780.35,709.05,924.3
Issuances610.8605.9628.5
Interest accretion224.4211.3217.0
Benefit payments(589.3)(601.0)(605.9)
Ending balance at original discount rate6,026.25,925.26,163.9
Effect of change in discount rate assumptions(591.3)(359.2)(582.8)
Balance, end of period$5,434.9$5,566.0$5,581.1
Net liability for future policy benefits$1,881.6$1,973.4$1,835.7
Other22.6 24.4 22.7 
Total liability for future policy benefits1,904.2 1,997.8 1,858.4 
Less: Reinsurance recoverable related to future policy benefits0.9 1.8 1.1 
Net liability for future policy benefits, after reinsurance recoverable$1,903.3$1,996.0$1,857.3

175
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Colonial Life segment presented in the rollforward activity above.

Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$1,718.9$1,658.6$1,635.8
Interest accretion$91.6$88.6$87.3

December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$10,409.4 $9,796.7 $10,011.9 
Expected future gross premiums$12,618.4 $11,903.1 $12,221.3 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$9,049.4 $8,702.2 $8,966.3 
Weighted average interest rate:
Interest accretion rate4.4 %4.3 %4.3 %
Current discount rate5.5 %4.8 %5.2 %
Weighted average duration of the liability17.3 years17.0 years17.5 years


176
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

Closed Block Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Closed Block segment.

December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $8,123.5$—$8,123.5
Beginning balance at original discount rate7,703.6—7,703.6
Effect of changes in cash flow assumptions145.5—145.5
Effect of actual variances from expected experience(41.2)—(41.2)
Adjusted beginning of year balance7,807.9—7,807.9
Interest accretion401.8—401.8
Net premiums collected(616.8)—(616.8)
Ending balance at original discount rate7,592.9—7,592.9
Effect of change in discount rate assumptions65.6—65.6
Balance, end of period$7,658.5$—$7,658.5
Present Value of Expected Future Policy Benefits
Balance, beginning of year $24,697.7$7,880.0$32,577.7
Beginning balance at original discount rate22,649.38,094.630,743.9
Effect of changes in cash flow assumptions(4.1)5.41.3
Effect of actual variances from expected experience68.317.485.7
Adjusted beginning of year balance22,713.58,117.430,830.9
Issuances1
—101.2101.2
Interest accretion1,199.8345.21,545.0
Benefit payments(959.6)(972.8)(1,932.4)
Ending balance at original discount rate22,953.77,591.030,544.7
Effect of change in discount rate assumptions(28.5)(452.6)(481.1)
Balance, end of period$22,925.2$7,138.4$30,063.6
Net liability for future policy benefits$15,266.7$7,138.4$22,405.1
Other2
1.71,496.31,498.0
Total liability for future policy benefits15,268.48,634.723,903.1
Less: Reinsurance recoverable related to future policy benefits4.26,771.76,775.9
Net liability for future policy benefits, after reinsurance recoverable$15,264.2$1,863.0$17,127.2
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.


177
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $6,412.6$—$6,412.6
Beginning balance at original discount rate6,236.1—6,236.1
Effect of changes in cash flow assumptions1,641.3—1,641.3
Effect of actual variances from expected experience44.1—44.1
Adjusted beginning of year balance7,921.5—7,921.5
Interest accretion374.7—374.7
Net premiums collected(592.6)—(592.6)
Ending balance at original discount rate7,703.6—7,703.6
Effect of change in discount rate assumptions419.9—419.9
Balance, end of period$8,123.5$—$8,123.5
Present Value of Expected Future Policy Benefits
Balance, beginning of year$21,199.9$8,218.8$29,418.7
Beginning balance at original discount rate20,221.68,630.728,852.3
Effect of changes in cash flow assumptions2,009.4—2,009.4
Effect of actual variances from expected experience113.14.0117.1
Adjusted beginning of year balance22,344.18,634.730,978.8
Issuances1
—123.4123.4
Interest accretion1,151.4358.91,510.3
Benefit payments(846.2)(1,022.4)(1,868.6)
Ending balance at original discount rate22,649.38,094.630,743.9
Effect of change in discount rate assumptions2,048.4(214.6)1,833.8
Balance, end of period$24,697.7$7,880.0$32,577.7
Net liability for future policy benefits$16,574.2$7,880.0$24,454.2
Other2
23.11,638.11,661.2
Total liability for future policy benefits16,597.39,518.126,115.4
Less: Reinsurance recoverable related to future policy benefits4.57,462.47,466.9
Net liability for future policy benefits, after reinsurance recoverable$16,592.8$2,055.7$18,648.5
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
178
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $8,404.7$—$8,404.7
Beginning balance at original discount rate6,457.3—6,457.3
Effect of changes in cash flow assumptions27.8—27.8
Effect of actual variances from expected experience(33.5)—(33.5)
Adjusted beginning of year balance6,451.6—6,451.6
Interest accretion349.0—349.0
Net premiums collected(564.5)—(564.5)
Ending balance at original discount rate6,236.1—6,236.1
Effect of change in discount rate assumptions176.5—176.5
Balance, end of period$6,412.6$—$6,412.6
Present Value of Expected Future Policy Benefits
Balance, beginning of year$30,089.6$10,414.4$40,504.0
Beginning balance at original discount rate19,870.88,949.428,820.2
Effect of changes in cash flow assumptions24.9216.9241.8
Effect of actual variances from expected experience(36.2)30.7(5.5)
Adjusted beginning of year balance19,859.59,197.029,056.5
Issuances1
—154.5154.5
Interest accretion1,105.1372.81,477.9
Benefit payments(743.0)(1,093.6)(1,836.6)
Ending balance at original discount rate20,221.68,630.728,852.3
Effect of change in discount rate assumptions978.3(411.9)566.4
Balance, end of period$21,199.9$8,218.8$29,418.7
Net liability for future policy benefits$14,787.3$8,218.8$23,006.1
Other2
24.31,737.01,761.3
Total liability for future policy benefits14,811.69,955.824,767.4
Less: Reinsurance recoverable related to future policy benefits5.77,799.87,805.5
Net liability for future policy benefits, after reinsurance recoverable$14,805.9$2,156.0$16,961.9
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
179
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Closed Block segment presented in the rollforward activity above.
Year Ended December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$696.2$188.2$884.4
Interest accretion$798.0$345.2$1,143.2

Year Ended December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$696.1$223.8$919.9
Interest accretion$776.7 $358.9$1,135.6

Year Ended December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$697.5$250.0$947.5
Interest accretion$756.1 $372.8$1,128.9

180
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$60,051.5 $11,093.7$71,145.2 
Expected future gross premiums$13,767.1 $—$13,767.1 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$8,029.1 $—$8,029.1 
Weighted average interest rate:
Interest accretion rate5.6 %4.6 %5.3 %
Current discount rate5.6 %5.4 %5.5 %
Weighted average duration of the liability15.7 years7.2 years12.9 years

December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$61,447.7 $11,893.7$73,341.4 
Expected future gross premiums$14,486.4 $—$14,486.4 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$8,241.7 $—$8,241.7 
Weighted average interest rate:
Interest accretion rate5.6 %4.6 %5.2 %
Current discount rate5.0 %4.9 %4.9 %
Weighted average duration of the liability16.4 years7.3 years13.2 years

181
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$52,544.0 $12,749.0$65,293.0 
Expected future gross premiums$12,629.9 $—$12,629.9 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$7,333.5 $—$7,333.5 
Weighted average interest rate:
Interest accretion rate5.5 %4.6 %5.2 %
Current discount rate5.2 %5.1 %5.2 %
Weighted average duration of the liability15.5 years7.4 years12.4 years
182
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 6 - Liability for Future Policy Benefits - Continued

Reconciliation

A reconciliation of the liability for future policy benefits reflected in the preceding rollforwards to the related liability balances in the consolidated balance sheets are as follows:

December 31
202420232022
(in millions of dollars)
Liability for future policy benefits
Unum US1
$8,617.7 $9,352.7 $9,668.7 
Unum International2,156.2 2,293.2 2,063.2 
Colonial Life1,904.2 1,997.8 1,858.4 
Closed Block1
23,903.1 26,115.4 24,767.4 
Other products1
225.2 250.3 219.4 
Total liability for future policy benefits$36,806.4 $40,009.4 $38,577.1 

1Unum US excludes the dental and vision product line and medical stop-loss products and Closed Block excludes our participating fund account, which represents policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual stock life insurance company. The liabilities associated with these products are included within Other products.
183
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 7 - Policyholders' Account Balances

Policyholders' account balances primarily include our universal life and corporate-owned life insurance products. Policyholders' account balances reflect customer deposits and interest credited less cost of insurance, administration expenses, surrender charges, and customer withdrawals.

The following table presents the balances and changes in the policyholders' account balances:

December 31, 2024
Unum US - Voluntary BenefitsColonial LifeClosed Block - All Other Total
(in millions of dollars, except weighted average data)
Balance, beginning of year    $578.6 $852.9 $4,082.7 $5,514.2 
Premiums received53.7 79.5 26.5 159.7 
Policy charges1
(56.8)(71.9)(101.4)(230.1)
Surrenders and withdrawals(30.9)(38.0)(12.4)(81.3)
Benefit payments(6.0)(7.8)(245.1)(258.9)
Interest credited20.8 34.1 300.6 355.5 
Other9.4 0.2 1.3 10.9 
Balance, end of period568.8 849.0 4,052.2 5,470.0 
Reserves in excess of account balance106.913.543.3163.7 
Total policyholders' account balances675.7 862.5 4,095.5 5,633.7 
Less: Reinsurance recoverable related to policyholders' account balances0.8—4,095.54,096.3
Net policyholders' account balances, after reinsurance recoverable$674.9 $862.5 $— $1,537.4 
Weighted average crediting rate3.7%4.1%7.6%6.7%
Net amount at risk2
$4,132.2$8,201.1$1,725.0$14,058.3
Cash surrender value $559.0$819.8$4,031.3$5,410.1
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
184
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 7 - Policyholders' Account Balances - Continued
December 31, 2023
Unum US - Voluntary BenefitsColonial LifeClosed Block - All OtherTotal
(in millions of dollars, except weighted average data)
Balance, beginning of year    $586.8$852.4$4,159.4$5,598.6 
Premiums received58.584.931.7175.1 
Policy charges1
(60.4)(74.7)(107.2)(242.3)
Surrenders and withdrawals(33.3)(36.8)(18.8)(88.9)
Benefit payments(9.7)(7.2)(216.2)(233.1)
Interest credited22.234.2322.1378.5 
Other14.50.1(88.3)(73.7)
Balance, end of period578.6 852.9 4,082.7 5,514.2 
Reserves in excess of account balance99.516.937.1153.5 
Total policyholders' account balances678.1 869.8 4,119.8 5,667.7 
Less: Reinsurance recoverable related to policyholders' account balances0.9—4,119.84,120.7
Net policyholders' account balances, after reinsurance recoverable$677.2$869.8$—$1,547.0
Weighted average crediting rate3.9%4.1%8.0%7.0%
Net amount at risk2
$4,495.6$8,760.1$1,824.3$15,080.0 
Cash surrender value $566.9$813.5$4,062.3$5,442.7 
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.

185
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 7 - Policyholders' Account Balances - Continued
December 31, 2022
Unum US - Voluntary BenefitsColonial LifeClosed Block - All OtherTotal
(in millions of dollars, except weighted average data)
Balance, beginning of year    $598.7$849.2$4,231.7$5,679.6 
Premiums received64.590.932.2187.6 
Policy charges1
(64.5)(78.0)(105.5)(248.0)
Surrenders and withdrawals(32.9)(36.2)(21.3)(90.4)
Benefit payments(10.7)(8.0)(292.8)(311.5)
Interest credited23.534.2311.5369.2 
Other8.20.33.612.1 
Balance, end of period586.8 852.4 4,159.4 5,598.6 
Reserves in excess of account balance92.916.732.0141.6 
Total policyholders' account balances679.7 869.1 4,191.4 5,740.2 
Less: Reinsurance recoverable related to policyholders' account balances1.10.24,191.44,192.7
Net policyholders' account balances, after reinsurance recoverable$678.6$868.9$—$1,547.5
Weighted average crediting rate4.0%4.1%7.6%6.7%
Net amount at risk2
$4,908.0$9,338.5$1,931.6$16,178.1 
Cash surrender value $583.3$800.9$4,045.9$5,430.1 
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
186
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 7 - Policyholders' Account Balances - Continued
The balance of the account values by range of guaranteed minimum crediting rates and the related range of difference, in basis points, between rates being credited to policyholders and the respective guaranteed minimums is as follows.

December 31, 2024
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$89.3$—$—$—$89.3
4.00% - 4.99%
218.5195.035.1—448.6
5.00% - 6.00%
30.9———30.9
338.7195.035.1—568.8
Colonial Life
4.00% - 5.00%
842.76.3——849.0
Closed Block - All Other
3.00% - 5.99%
1,280.2226.625.4— 1,532.2
6.00% - 8.99%
26.0——— 26.0
9.00% - 11.99%
1,274.81,157.4—— 2,432.2
12.00% - 15.00%
—61.8—— 61.8
2,581.01,445.825.4—4,052.2
Total$3,762.4$1,647.1$60.5$—$5,470.0

187
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 7 - Policyholders' Account Balances - Continued
December 31, 2023
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$91.9$—$—$—$91.9
4.00% - 4.99%
227.1190.137.7—454.9
5.00% - 6.00%
31.8———31.8
350.8190.137.7—578.6
Colonial Life
4.00% - 5.00%
846.76.2——852.9
Closed Block - All Other
3.00% - 5.99%
526.81,081.830.7— 1,639.3
6.00% - 8.99%
1.331.0—— 32.3
9.00% - 11.99%
318.42,036.5—— 2,354.9
12.00% - 15.00%
—56.2—— 56.2
846.53,205.530.7—4,082.7
Total$2,044.0$3,401.8$68.4$—$5,514.2


188
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 7 - Policyholders' Account Balances - Continued
December 31, 2022
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$94.4$—$—$—$94.4
4.00% - 4.99%
274.5183.9——458.4
5.00% - 6.00%
34.0———34.0
402.9183.9——586.8
Colonial Life
4.00% - 5.00%
846.46.0——852.4
Closed Block - All Other
3.00% - 5.99%
1,661.729.16.4— 1,697.2
6.00% - 8.99%
31.4——— 31.4
9.00% - 11.99%
2,378.2——— 2,378.2
12.00% - 15.00%
52.6——— 52.6
4,123.929.16.4—4,159.4
Total$5,373.2$219.0$6.4$—$5,598.6




189
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 8 - Deferred Acquisition Costs
The following tables display the changes in DAC throughout the year:

December 31, 2024
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,232.2$46.9$1,435.4$2,714.5
Capitalization320.917.8312.8651.5
Amortization expense(292.5)(9.5)(219.0)(521.0)
Foreign currency—(2.2)—(2.2)
Balance, end of year
$1,260.6$53.0$1,529.2$2,842.8

December 31, 2023
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,185.1$37.0$1,337.9$2,560.0
Capitalization314.714.6302.9632.2
Amortization expense(267.6)(8.4)(205.4)(481.4)
Foreign currency—3.7—3.7
Balance, end of year
$1,232.2$46.9$1,435.4$2,714.5

December 31, 2022
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,152.9$36.4$1,238.1$2,427.4
Capitalization273.112.0271.8556.9
Amortization expense(240.9)(8.2)(172.0)(421.1)
Foreign currency—(3.2)—(3.2)
Balance, end of year
$1,185.1$37.0$1,337.9$2,560.0

December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$63.6$48.9$610.6$497.8$11.3$1,232.2
Capitalization62.240.6120.283.414.5320.9
Amortization expense (64.7)(38.4)(116.5)(60.0)(12.9)(292.5)
Balance, end of year
$61.1$51.1$614.3$521.2$12.9$1,260.6

190
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 8 - Deferred Acquisition Costs - Continued
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$61.0$49.3$601.0$464.4$9.4$1,185.1
Capitalization60.2 38.6115.887.412.7314.7
Amortization expense(57.6)(39.0)(106.2)(54.0)(10.8)(267.6)
Balance, end of year
$63.6$48.9$610.6$497.8$11.3$1,232.2

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$60.9$53.9$588.6$441.8$7.7$1,152.9
Capitalization53.137.3100.072.010.7273.1
Amortization expense (53.0)(41.9)(87.6)(49.4)(9.0)(240.9)
Balance, end of year
$61.0$49.3$601.0$464.4$9.4$1,185.1

During the third quarters of 2024 and 2023, we updated our policyholder lapse and mortality assumptions used to develop the future amortization for DAC for the Unum US voluntary benefits product line and the Colonial Life segment. During the third quarter of 2022, we updated our policyholder lapse and mortality assumptions used to develop the future amortization for DAC for the Unum US individual disability and voluntary benefits product lines as well as for the Colonial Life segment. These assumption updates were consistent with the related assumption updates for the liability for future policy benefits.
191
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 9 - Income Tax
Total income tax expense (benefit) is allocated as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Net Income$472.2 $356.3 $342.8 
Stockholders' Equity - Accumulated Other Comprehensive Income (Loss)
Change in Net Unrealized Gain (Loss) on Securities
(226.6)300.6 (1,890.8)
Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy and Contract Benefits, Net of Reinsurance
488.9 (256.5)2,385.1 
Change in Net Gain (Loss) on Derivatives
(51.5)(17.0)(19.2)
Change in Foreign Currency Translation Adjustment1.1 0.9 (0.1)
Change in Unrecognized Pension and Postretirement Benefit Costs12.0 (2.7)18.9 
Total$696.1 $381.6 $836.7 

A reconciliation of the income tax provision at the U.S. federal statutory rate to the income tax rate as reported in our consolidated statements of income is as follows:
Year Ended December 31
202420232022
Statutory Income Tax21.0 %21.0 %21.0 %
Policyholder Reserves0.3 (0.6)(1.7)
Other Items, Net(0.3)1.3 0.3 
Effective Tax21.0 %21.7 %19.6 %

192
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 9 - Income Tax - Continued
Our net deferred tax asset consists of the following. Certain prior year amounts have been reclassified to conform to current presentation.

December 31
20242023
(in millions of dollars)
Deferred Tax Asset
Invested Assets$593.2 $354.5 
Reserves
— 462.6 
Employee Benefits
146.3 161.9 
Other
36.8 35.8 
Gross Deferred Tax Asset776.3 1,014.8 
Less: Valuation Allowance
12.1 11.0 
Net Deferred Tax Asset764.2 1,003.8 
Deferred Tax Liability
Deferred Acquisition Costs
167.0 175.1 
Reserves85.9 — 
Cost of Reinsurance
110.4 119.7 
Other
62.2 86.6 
Gross Deferred Tax Liability425.5 381.4 
Net Deferred Tax Asset
$338.7 $622.4 

193
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 9 - Income Tax - Continued
Our consolidated statements of income include amounts subject to both domestic and foreign taxation. The income and related tax expense (benefit) are as follows:

Year Ended December 31
202420232022
(in millions of dollars)
Income Before Tax
   Domestic$2,129.5 $1,506.2 $1,596.8 
   Foreign121.8 133.9 153.2 
   Total$2,251.3 $1,640.1 $1,750.0 
Current Tax Expense (Benefit)
   Federal$393.1 $440.4 $306.5 
   State and Local(8.5)(2.5)12.7 
   Foreign47.5 14.1 154.3 
   Total432.1 452.0 473.5 
Deferred Tax Expense (Benefit)
   Federal59.8 (106.2)42.7 
   State and Local(0.6)(1.5)1.1 
   Foreign(19.1)12.0 (174.5)
   Total40.1 (95.7)(130.7)
Total Tax Expense$472.2 $356.3 $342.8 

On June 10, 2021, the Finance Act 2021 was enacted, resulting in a U.K. tax increase from 19 percent to 25 percent, effective April 1, 2023.

As of December 31, 2024, our plans for future repatriations of cash from our foreign subsidiaries can include no more than the amount of capital above that which is required by foreign regulatory capital requirements.  The remainder of our investment in our foreign subsidiaries is indefinitely reinvested.

Our consolidated statements of income include the following changes in unrecognized tax benefits.

December 31
202420232022
(in millions of dollars)
Balance at Beginning of Year$156.7 $177.4 $198.8 
Decreases for Tax Positions Related to Prior Years(20.7)(20.7)(21.0)
Lapse of the Applicable Statute of Limitations— — (0.4)
Balance at End of Year136.0 156.7 177.4 
Less Tax Attributable to Temporary Items Included Above(21.2)(42.4)(63.5)
Total Unrecognized Tax Benefits That if Recognized Would Affect the Effective Tax Rate$114.8 $114.3 $113.9 

194
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 9 - Income Tax - Continued
In 2018, we recorded $261.1 million gross unrecognized tax benefits for a policyholder reserves position taken on our 2017 federal tax return, which if recognized, would decrease our tax expense by $112.9 million. The balances of unrecognized tax benefits for which the ultimate deductibility is highly certain but for which there is uncertainty about the timing of such deductibility are $21.2 million at December 31, 2024, $42.4 million at December 31, 2023, and $63.5 million at December 31, 2022. It is reasonably possible that this item could reverse in the next 12 months following review by the IRS. We recognize interest expense and penalties, if applicable, related to unrecognized tax benefits in tax expense. We recognized $13.2 million, $12.2 million, and $7.8 million of interest expense related to unrecognized tax benefits during 2024, 2023, and 2022, respectively. The liability for net interest expense on uncertain tax positions was approximately $59.4 million, $46.2 million, and $34.0 million as of December 31, 2024, 2023, and 2022, respectively.

We file federal and state income tax returns in the United States and in foreign jurisdictions. Tax year 2017 and tax years subsequent to 2018 remain subject to examination by the IRS. All major foreign jurisdictions remain subject to examination for tax years subsequent to 2022 with the exception of Poland for which tax years subsequent to 2018 remain subject to examination. We believe sufficient provision has been made for all potential adjustments for years that are not closed by the statute of limitations in all major tax jurisdictions and that any such adjustments would not have a material adverse effect on our financial position, liquidity, or results of operations.

We file state income tax returns in nearly every state in the United States. Tax years subsequent to 2019 remain subject to examination depending on the statute of limitation established by the various states, which is generally three to four years.

As of December 31, 2024, we have no federal net operating loss or capital loss carryforwards. We have net operating loss carryforwards for state and local income tax of approximately $182.9 million, most of which is expected to expire unused between 2025 and 2044.

We record valuation allowances to reduce deferred tax assets to the amount that is more likely than not to be realized.  Our valuation allowance was $12.1 million and $11.0 million at December 31, 2024 and 2023, respectively, the majority of which related to our cumulative deferred state income tax benefits. The de minimis remaining amount of our valuation allowance relates to unrealized tax losses on buildings which we own and occupy in the U.K. We recorded an increase in our valuation allowance of $1.1 million during 2024 and $0.7 million in 2023, primarily in other comprehensive income.

Total income taxes paid during 2024, 2023, and 2022 were $376.0 million, $446.0 million, and $375.0 million respectively.

195
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 10 - Debt
Debt consists of the following:

December 31
20242023
Interest RatesMaturities(in millions of dollars)
Long-term Debt
Outstanding Principal
   Senior Notes issued 19986.750 - 7.250%2028$335.8 $335.8 
   Senior Notes issued 20027.375%203239.5 39.5 
   Senior Notes issued 2012 and 20165.750%2042500.0 500.0 
Senior Notes issued 20153.875%2025— 275.0 
   Senior Notes issued 20194.000%2029400.0 400.0 
   Senior Notes issued 20194.500%2049450.0 450.0 
   Senior Notes issued 20214.125%2051600.0 600.0 
   Senior Notes issued 20244.046%2041400.0 — 
   Senior Notes issued 20246.000%2054400.0 — 
   Medium-term Notes issued 1990 - 19967.190%202818.5 18.5 
   Junior Subordinated Debt Securities issued 19987.405%2038189.7 189.7 
   Junior Subordinated Debt Securities issued 20186.250%2058300.0 300.0 
Term Loan issued 2022Variable2027— 350.0 
Unamortized Net Premium (Discount)
(131.3)2.5 
Unamortized Debt Issuance Costs(37.0)(30.6)
Total Long-term Debt$3,465.2 $3,430.4 
Short-term Debt
Outstanding Principal
   Senior Notes issued 20153.875%2025275.0 — 
   Unamortized Net Discount
(0.2)— 
   Unamortized Debt Issuance Costs
(0.2)— 
Total Short-term Debt274.6 — 
Total Debt$3,739.8 $3,430.4 

Debt is comprised of our unsecured notes, which consist of our senior notes and medium-term notes, and rank highest in priority, followed by our junior subordinated debt securities. The senior notes are callable and may be redeemed, in whole or in part, at any time. The medium-term notes are non-callable and the junior subordinated debt securities are callable under limited, specified circumstances.

The aggregate contractual principal maturities are $275.0 million in 2025, $354.3 million in 2028, $400.0 million in 2029 and $2,879.2 million thereafter.

Interest paid on long-term and short-term debt during 2024, 2023, and 2022 was $190.4 million, $183.6 million, and $172.9 million, respectively.

196
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 10 - Debt - Continued
Unsecured Notes

In June 2024, we issued $400.0 million of 6.000% senior notes due 2054.

In August 2022, we redeemed $350.0 million aggregate principal amount of our 4.000% senior notes due 2024, for which we incurred costs of $3.0 million

There are no significant financial covenants associated with our unsecured notes.

Term Loan Facility

In August 2022, we entered into a five-year $350.0 million senior unsecured delayed draw term loan facility with a syndicate of lenders. Also in August 2022, we drew the entire amount of the term loan facility, which was scheduled to mature in August 2027 and was callable and could be redeemed at par at any time. Amounts due under the term loan facility incurred interest based on the prime rate, the federal funds rate, or the Secured Overnight Financing Rate (SOFR). The proceeds from the term loan facility were used to redeem $350.0 million aggregate principal amount of our 4.000% senior notes due 2024. In June 2024 in tandem with the issuance of our 6.000% senior notes, the aggregate principal amount of outstanding indebtedness under our senior unsecured delayed draw term loan facility was repaid, and subsequently terminated.

Prior to the termination of our term loan facility, the borrowings on the facility were subject to financial covenants, negative covenants, and events of default that are customary. The two primary financial covenants included limitations based on our leverage ratio and consolidated net worth, but we were also subjected to covenants that limit subsidiary indebtedness.

Junior Subordinated Debt Securities

In 1998, Provident Financing Trust I (the Trust), a 100 percent-owned finance subsidiary of Unum Group, issued $300.0 million of 7.405% capital securities due 2038 in a public offering. These capital securities are fully and unconditionally guaranteed by Unum Group, have a liquidation value of $1,000 per capital security, and have a mandatory redemption feature under certain circumstances. In connection with the capital securities offering, Unum Group issued to the Trust 7.405% junior subordinated deferrable interest debentures due 2038. The Trust is a variable interest entity of which Unum Group is not the primary beneficiary. Accordingly, the capital securities issued by the Trust are not included in our consolidated financial statements and our liability represents the junior subordinated debt securities owed to the trust which is recorded in long-term debt. The sole assets of the Trust are the junior subordinated debt securities. The retirement of any liquidation amount regarding the capital securities by the Trust results in a corresponding retirement of principal amount of the junior subordinated debt securities.

In September 2022, pursuant to privately negotiated transactions, we purchased, and the Trust retired, $14.0 million aggregate liquidation amount of the Trust's 7.405% capital securities due 2038, which resulted in the reduction of a corresponding principal amount of our 7.405% junior subordinated debt securities due 2038 then held by the Trust. We incurred costs of $1.2 million related to the early retirement of the junior subordinated debt securities.

P-Caps Trust and Notes Issuance

During November 2021, we entered into a 20-year facility agreement with a Delaware statutory trust (the P-Caps Trust), in connection with the sale by the P-Caps Trust of $400.0 million of pre-capitalized trust securities (P-Caps) in a Rule 144A private placement. The P-Caps Trust invested the proceeds from the sale of the P-Caps in a portfolio of principal and interest strips of U.S. Treasury securities (the Trust Assets). The facility agreement gave us the right to issue and require the P-Caps Trust to purchase, on one or more occasions, up to $400.0 million of our 4.046% senior notes due 2041 (the 2041 Senior Notes) in exchange for the Trust Assets. Under the facility agreement, we agreed to pay a semi-annual facility fee to the P-Caps Trust at a rate of 2.225% per year on the unexercised portion of the maximum amount of 2041 senior notes that we could issue and sell to the P-Caps Trust and to reimburse the P-Caps Trust for its expenses.

197
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 10 - Debt - Continued
In October 2024, we exercised our issuance right in full under the facility agreement and issued $400.0 million of the 2041 Senior Notes to the P-Caps Trust in exchange for the Trust Assets, thereby triggering our recognition of the 2041 Senior Notes on our consolidated balance sheets. The Trust Assets had a fair value of $273.5 million when the 2041 Senior Notes were issued. We directed the trustee of the P-Caps Trust to dissolve the P-Caps Trust and to deliver the 2041 Senior Notes to the beneficial holders of the P-Caps pro rata in respect of each P-Cap which was a non-cash financing transaction. The 2041 Senior Notes are callable at or above par and rank equally in the right of payment with all of our other unsecured and unsubordinated debt. The net proceeds from the issuance of the 2041 Senior Notes and subsequent sale of the Trust Assets were used for share repurchases.

Credit Facilities

In April 2022, we amended and restated our existing credit agreement providing for a five-year $500.0 million senior unsecured revolving credit facility with a syndicate of lenders. The credit facility, which was previously set to expire in April 2024, was extended through April 2027. We may request that the lenders’ aggregate commitments of $500.0 million under the facility be increased by up to an additional $200.0 million. Certain of our traditional U.S. life insurance subsidiaries, Unum Life Insurance Company of America (Unum America), Provident Life and Accident Insurance Company (Provident), and Colonial Life & Accident Insurance Company, joined the agreement and may borrow under the credit facility, and we can elect to add additional insurance subsidiaries to the facility at any later date. Any obligation of a subsidiary under the credit facility is several only and not joint and is subject to an unconditional guarantee by Unum Group. We may also request, on up to two occasions, that the lenders' commitment termination dates be extended by one year. The credit facility also provides for the issuance of letters of credit subject to certain terms and limitations. The credit facility provides for borrowings at an interest rate based on the prime rate, the federal funds rate or the SOFR. At December 31, 2024, there were no borrowed amounts outstanding under the credit facility and letters of credit totaling $0.4 million had been issued.

We have a five-year, £75.0 million senior unsecured standby letter of credit facility with a different syndicate of lenders, pursuant to which a syndicated letter of credit was issued in favor of Unum Limited (as beneficiary), our U.K. insurance subsidiary, and is available for drawings up to £75 million until its scheduled expiration in July 2026. The credit facility provides for borrowings at an interest rate based on the prime rate or the federal funds rate.

We have an additional five-year, £75.0 million senior unsecured standby letter of credit facility pursuant to which a standby letter of credit was issued in favor of Unum Limited (as beneficiary), our U.K. insurance subsidiary, and is available for drawings up to £75.0 million until its scheduled expiration in December 2028. In December 2023, as security for the senior standby letter of credit facility we had granted to the issuer of the standby letter of credit the right to exercise, if an event of default had occurred and was continuing, the issuance right under the facility agreement with the P-Caps Trust, up to a maximum of $200.0 million. In October 2024, prior to our exercise of the issuance right under the facility agreement with the P-Caps Trust, the assigned issuance right was forfeited in its entirety. The standby letter of credit facility provides for borrowings at an interest rate based on Sterling Overnight Index Average rate.

At December 31, 2024, there were no borrowed amounts outstanding under the standby letter of credit facilities or letters of credit. If drawings are made in the future, we may elect to borrow such amounts from the lenders pursuant to term loans made under the credit facilities.

Borrowings under the three credit facilities are subject to financial covenants, negative covenants, and events of default that are customary. The two primary financial covenants include limitations based on our leverage ratio and consolidated net worth. We are also subject to covenants that limit subsidiary indebtedness.

198
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans
Defined Benefit Pension and Other Postretirement Benefit (OPEB) Plans

We sponsor several defined benefit pension and OPEB plans for our employees, including non-qualified pension plans. The U.S. qualified and non-qualified defined benefit pension plans comprise the majority of our total benefit obligation and benefit cost. We maintain a separate defined benefit plan for eligible employees in our U.K. operation. The U.S. defined benefit pension plans were frozen and closed to new entrants on December 31, 2013, the OPEB plan was frozen and closed to new entrants on December 31, 2012, and the U.K. plan was frozen and closed to new entrants on December 31, 2002.

U.S. Pension Plan Annuity Purchase

In November 2023, we purchased a group annuity contract which transferred a portion of our U.S. qualified defined benefit pension plan obligation to a third party. Under the transaction, which was funded with plan assets, we transferred the responsibility for pension benefits and annuity administration for approximately 1,275 retirees or their beneficiaries receiving less than $700 in monthly benefit payments from the plan. This transfer resulted in a reduction in our U.S. qualified defined benefit pension plan obligation of approximately $72 million and is reflected in the Benefits and Expenses Paid line item within the following table regarding changes in our benefit obligation.

Amortization Period of Actuarial Gain or Loss and Prior Service Cost or Credit

Because all participants in the U.S., OPEB, and U.K. pension plans are considered inactive, we amortize the net actuarial gain or loss and prior service credit or cost for these plans over the average remaining life expectancy of the plans. As of December 31, 2024, the estimate of the average remaining life expectancy of the plans was approximately 23 years for the U.S., 12 years for the OPEB plan, and 28 years for the U.K. plan. Prior to 2024, we amortized the net actuarial gain or loss and prior service credit or cost for the OPEB plan over the average remaining future working lifetime for active participants in the plan.
199
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
The following table provides the changes in the benefit obligation and fair value of plan assets and the funded status of the plans.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Change in Benefit Obligation
Benefit Obligation at Beginning of Year$1,575.3 $1,585.5 $172.3 $157.9 $79.0 $83.9 
Service Cost9.2 9.2 — — — — 
Interest Cost82.9 87.9 7.6 7.7 4.0 4.5 
Plan Participant Contributions— — — — 0.1 0.1 
Actuarial Loss (Gain) (1)
(57.7)61.0 (19.3)3.8 (1.5)(0.5)
Benefits and Expenses Paid(91.1)(168.3)(5.9)(5.7)(8.8)(9.0)
Change in Foreign Exchange Rates— — (2.6)8.6 — — 
Benefit Obligation at End of Year $1,518.6 $1,575.3 $152.1 $172.3 $72.8 $79.0 
Accumulated Benefit Obligation at December 31$1,518.6 $1,575.3 $152.1 $172.3 N/AN/A
Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year$1,295.9 $1,308.3 $145.4 $140.5 $8.2 $8.5 
Actual Return on Plan Assets27.1 145.6 (12.1)3.1 0.1 — 
Employer Contributions9.7 10.3 — — 8.3 8.6 
Plan Participant Contributions— — — — 0.1 0.1 
Benefits and Expenses Paid(91.1)(168.3)(5.9)(5.7)(8.8)(9.0)
Change in Foreign Exchange Rates— — (2.1)7.5 — — 
Fair Value of Plan Assets at End of Year$1,241.6 $1,295.9 $125.3 $145.4 $7.9 $8.2 
Underfunded Status
$277.0 $279.4 $26.8 $26.9 $64.9 $70.8 

(1) The actuarial gains recognized in 2024 for the U.S., U.K., and OPEB plans were driven by increases in the discount rate assumption. The actuarial losses recognized in 2023 for the U.S. and U.K. plans were driven by decreases in the discount rate assumption. Also contributing to the actuarial loss for the U.K. plan in 2023 was unfavorable plan experience resulting from a higher than expected rate of inflation. The actuarial gain recognized in 2023 for the OPEB plan was driven by favorable plan experience, mostly offset by a decrease in the discount rate assumption.

200
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
The amounts recognized in our consolidated balance sheets for our pension and OPEB plans at December 31, 2024 and 2023 are as follows.

 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Current Liability$9.4 $9.1 $— $— $0.7 $0.7 
Noncurrent Liability267.6 270.3 26.8 26.9 64.2 70.1 
Underfunded Status
$277.0 $279.4 $26.8 $26.9 $64.9 $70.8 
Unrecognized Pension and Postretirement Benefit Costs
   Net Actuarial Gain (Loss)$(496.0)$(510.2)$(91.7)$(95.0)$21.2 $21.2 
   Prior Service Credit (Cost)(0.5)(0.6)(0.2)(0.2)2.1 2.3 
(496.5)(510.8)(91.9)(95.2)23.3 23.5 
   Income Tax200.1 211.2 21.4 22.2 3.4 3.4 
Total Included in Accumulated Other Comprehensive Income (Loss)$(296.4)$(299.6)$(70.5)$(73.0)$26.7 $26.9 

The following table provides the changes recognized in other comprehensive income for the years ended December 31, 2024 and 2023.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Accumulated Other Comprehensive Income (Loss) at Beginning of Year$(299.6)$(304.9)$(73.0)$(64.4)$26.9 $35.2 
Net Actuarial Gain (Loss)
Amortization14.6 15.2 2.9 2.5 (1.1)(10.5)
All Other Changes(0.4)(7.6)0.4 (13.8)1.1 0.1 
Prior Service Credit (Cost)
Amortization0.1 — — — (0.2)(0.2)
Change in Income Tax(11.1)(2.3)(0.8)2.7 — 2.3 
Accumulated Other Comprehensive Income (Loss) at End of Year$(296.4)$(299.6)$(70.5)$(73.0)$26.7 $26.9 

Plan Assets

The objective of our U.S. pension and OPEB plans is to maximize long-term return, within acceptable risk levels, in a manner that is consistent with the fiduciary standards of the Employee Retirement Income Security Act (ERISA), while maintaining sufficient liquidity to pay current benefits and expenses.
 
Our U.S. qualified defined benefit pension plan assets include a diversified blend of domestic, international, global, and emerging market equity securities, fixed income securities, opportunistic credit securities, real estate investments, alternative investments, and cash equivalents.  Equity securities are comprised of funds and individual securities that are benchmarked against the respective indices specified below. International and global equity funds may allocate a certain percentage of assets to forward currency contracts. Fixed income securities include funds and U.S. government and agency asset-backed securities, treasury futures contracts, corporate investment-grade bonds, private placement securities, and bonds issued by states or other
201
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
municipalities. Opportunistic credits consist of investments in funds that hold varied fixed income investments purchased at depressed values with the intention to later sell those investments for a gain. Real estate investments consist primarily of funds that hold commercial real estate investments. Alternative investments, which include private equity direct investments and private equity funds of funds, utilize proprietary strategies that are intended to have a low correlation to the U.S. stock market. Prohibited investments include, but are not limited to, unlisted securities, options, short sales, and investments in securities issued by Unum Group or its affiliates. We target approximately 38 percent to equity securities, 30 percent to fixed income securities, and 32 percent to opportunistic credits, alternative, and real estate investments. The invested asset classes, asset types, and benchmark indices for our U.S. qualified defined benefit pension plan is as follows.
Asset ClassAsset TypeBenchmark Indices
Equity SecuritiesCollective funds; Individual holdingsMorgan Stanley Capital International (MSCI) World Index
Fixed IncomeCollective funds; Individual holdingsBloomberg Barclays Long Corporate Index; Custom Index
Opportunistic CreditsCollective fundCustom Index
Real EstateCollective fundCustom Index
Alternative Investments (Private Equity)Fund of funds; Direct investmentsCustom Index

The investment strategy for our U.K. plan includes increasing the funded ratio in a risk-controlled manner where the risk taken in the investment strategy reduces as the funded status of the plan increases. Assets for our U.K. plan are invested in a portfolio of diversified growth assets as well as a portfolio of fixed income and index-linked securities. The portfolio of growth assets consists of funds invested primarily in global equity securities, investment-grade and below-investment-grade fixed interest securities, including emerging market securities as well as diversified alternatives. The portfolio of fixed interest and index-linked securities are invested primarily in leveraged interest rate and inflation-linked gilt funds of varying durations designed to broadly match the interest rate and inflation sensitivities of the plan's liabilities. At December 31, 2024, our portfolio allocation was approximately 58 percent to growth assets and 42 percent to fixed interest and index-linked securities as we target a specified return on our plan assets. When the funded status of the plan increases, the hedge ratio of interest rate and inflation risk will increase with the intention of reducing funding level volatility. There are no categories of investments that are specifically prohibited by the U.K. plan, but there are general guidelines that ensure prudent investment action is taken. Such guidelines include the prevention of the plan from using derivatives for speculative purposes and limiting the concentration of risk in any one type of investment.
 
Assets for the OPEB plan are invested in life insurance contracts issued by one of our insurance subsidiaries. The assets support life insurance benefits payable to certain former retirees covered under the OPEB plan. The terms of these contracts are consistent in all material respects with those the subsidiary offers to unaffiliated parties that are similarly situated. There are no categories of investments specifically prohibited by the OPEB plan.
 
We believe our investment portfolios are well diversified by asset class and sector, with no undue risk concentrations in any one category.

202
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
The categorization of fair value measurements by input level for the invested assets in our U.S. plans is shown below. The carrying values of investment-related receivables and payables approximate fair value due to the short-term nature of the securities and are not included in the following chart. Investments valued using NAV as a practical expedient are not required to be categorized by input level, but these investments are included as follows to reconcile to total invested assets.

 December 31, 2024
 Quoted Prices
in Active Markets
for Identical Assets (Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Equity Securities:
Global$52.5 $— $— $372.3 $424.8 
Fixed Income Securities:
U.S. Government and Agencies1
234.5 (16.1)— — 218.4 
Corporate— — — 124.1 124.1 
Non-U.S. Emerging Markets— — — 32.4 32.4 
Opportunistic Credits— — — 139.6 139.6 
Real Estate— — — 166.1 166.1 
Alternative Investments:
Private Equity Direct Investments— — — 63.1 63.1 
Private Equity Funds of Funds— — — 35.2 35.2 
Cash Equivalents17.2 — — — 17.2 
Total Invested Assets$304.2 $(16.1)$— $932.8 $1,220.9 
1 U.S. Government and Agencies Fixed Income Securities includes derivative liabilities.
203
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
 December 31, 2023
 Quoted Prices
in Active 
Markets for 
Identical Assets
(Level 1)		Significant 
Other
Observable
Inputs
(Level 2) 		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Equity Securities:
Global$55.0 $— $— $390.8 $445.8 
Fixed Income Securities:
U.S. Government and Agencies1
215.9 40.8 — — 256.7 
Corporate— — — 130.0 130.0 
Non-U.S. Emerging Markets— — — 27.9 27.9 
Opportunistic Credits— — — 150.6 150.6 
Real Estate— — — 162.8 162.8 
Alternative Investments:
Private Equity Direct Investments— — — 68.5 68.5 
Private Equity Funds of Funds— — — 40.7 40.7 
Cash Equivalents16.0 — — — 16.0 
Total Invested Assets$286.9 $40.8 $— $971.3 $1,299.0 
1 U.S. Government and Agencies Fixed Income Securities includes derivative assets.

Level 1 investments consist of individual holdings that are valued based on unadjusted quoted prices from active markets for identical securities. Level 2 investments consist of individual holdings that are valued using either directly or indirectly observable inputs other than quoted prices from active markets.

Certain equity, opportunistic credit, and fixed-income securities are valued based on the NAV of the underlying holdings as of the reporting date. We made no adjustments to the NAV for 2024 or 2023. These investments have no unfunded commitments and no specific redemption restrictions.

Alternative investments are valued based on NAV one quarter in arrears and our real estate investments are valued based on NAV one month in arrears. We evaluate the need for adjustments to the NAV based on market conditions and discussions with fund managers in the period subsequent to the valuation date and prior to issuance of the financial statements. We made no adjustments to the NAV for 2024 or 2023. The private equity direct investments and private equity funds of funds generally cannot be redeemed by investors. Distributions of capital from the sale of underlying fund assets may occur at any time, but are generally concentrated between five and eight years from the formation of the fund. At December 31, 2024 and 2023, these investments had unfunded commitments of $15.2 million and $17.5 million, respectively.

204
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
The categorization of fair value measurements by input level for the invested assets in our U.K. plan is shown below. Investments valued using NAV as a practical expedient are not required to be categorized by input level, but these investments are included as follows to reconcile to total invested assets.

 December 31, 2024
 Quoted Prices
in Active
Markets for Identical Assets (Level 1)		Significant 
Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Diversified Growth Assets$25.6 $— $9.8 $35.4 
Fixed Income and Index-linked Securities50.5 — — — 50.5 
Alternative Investments— — — 34.5 34.5 
Cash Equivalents5.3 — — — 5.3 
Total Invested Assets$81.4 $— $— $44.3 $125.7 

 December 31, 2023
 Quoted Prices
in Active 
Markets for 
Identical Assets
(Level 1)		Significant 
Other
Observable
Inputs
(Level 2) 		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient 		Total
(in millions of dollars)
Invested Assets
Diversified Growth Assets$28.1 $— $— $5.9 $34.0 
Fixed Income and Index-linked Securities75.3 — — — 75.3 
Alternative Investments— — — 34.8 34.8 
Cash Equivalents1.3 — — — 1.3 
Total Invested Assets$104.7 $— $— $40.7 $145.4 

The level 1 diversified growth assets and fixed interest and index-linked securities consist of individual funds that are valued based on unadjusted quoted prices from active markets for identical securities. Certain diversified growth assets were valued based on the NAV of the underlying holdings as of the reporting date. Alternative investments are valued based on NAV one quarter in arrears. We evaluate the need for adjustments to the NAV of the alternative investments based on an evaluation of cash flows in the period subsequent to the valuation date and prior to issuance of the financial statements. We made no adjustments to the NAV for 2024 or 2023. These investments generally cannot be redeemed by investors. These investments had unfunded commitments at December 31, 2024 and 2023 of $7.1 million and $9.9 million, respectively.

205
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
The categorization of fair value measurements by input level for the assets in our OPEB plan is as follows:

 December 31, 2024
 Quoted Prices
in Active Markets
for Identical Assets
(Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
(in millions of dollars)
Assets
Life Insurance Contracts$— $— $7.9 $7.9 

December 31, 2023
 Quoted Prices
in Active Markets
for Identical Assets
(Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
(in millions of dollars)
Assets
Life Insurance Contracts$— $— $8.2 $8.2 

The fair value is represented by the actuarial present value of future cash flows of the contracts.

Changes in our OPEB plan assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the years ended December 31, 2024 and 2023 are as follows:

 Year Ended December 31, 2024
 Beginning
of Year		Actual Return on Plan AssetsContributionsNet Benefits and Expenses PaidEnd of Year
 
(in millions of dollars)
Life Insurance Contracts$8.2 $0.1 $8.4 $(8.8)$7.9 

 Year Ended December 31, 2023
 Beginning
of Year		Actual Return on Plan AssetsContributionsNet Benefits and Expenses PaidEnd of Year
 
(in millions of dollars)
Life Insurance Contracts$8.5 $— $8.7 $(9.0)$8.2 

For the years ended December 31, 2024 and 2023, the actual return on plan assets relates solely to investments still held at the reporting date. There were no transfers into or out of Level 3 during 2024 or 2023.

206
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
Measurement Assumptions

We use a December 31 measurement date for each of our plans. The weighted average assumptions used in the measurement of our benefit obligations as of December 31 and our net periodic benefit costs for the years ended December 31 are as follows:

 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
Benefit Obligations
   Discount Rate5.80 %5.40 %5.50 %4.50 %5.80 %5.40 %
   Rate of Compensation IncreaseN/AN/A2.50 %2.40 %N/AN/A
Net Periodic Benefit Cost
   Discount Rate5.40 %5.70 %4.50 %4.80 %5.40 %5.70 %
   Expected Return on Plan Assets7.25 %7.25 %6.50 %6.70 %5.75 %5.75 %
   Rate of Compensation IncreaseN/AN/A2.40 %2.50 %N/AN/A

We set the discount rate assumption annually for each of our retirement-related benefit plans at the measurement date to reflect the yield on a portfolio of high quality fixed income corporate debt instruments matched against projected cash flows for future benefits.
 
Our long-term rate of return on plan assets assumption is selected from a range of probable return outcomes from an analysis of the asset portfolio.  Our expectations for the future investment returns of the asset categories are based on a combination of historical market performance, evaluations of investment forecasts obtained from external consultants and economists, and current market yields. The methodology underlying the return assumption includes the various elements of the expected return for each asset class such as long-term rates of return, volatility of returns, and the correlation of returns between various asset classes. The expected return for the total portfolio is calculated based on the plan's strategic asset allocation.  Investment risk is measured and monitored on an ongoing basis through annual liability measurements, periodic asset/liability studies, and quarterly investment portfolio reviews.  Risk tolerance is established through consideration of plan liabilities, plan funded status, and corporate financial condition.

Our mortality rate assumption reflects our best estimate, as of the measurement date, of the life expectancies of plan participants in order to determine the expected length of time for benefit payments. We derive our assumptions from industry mortality tables.

The expected return assumption for the life insurance reserve for our OPEB plan is based on full investment in fixed income securities with an average book yield of 5.01 percent and 4.46 percent in 2024 and 2023, respectively.

The rate of compensation increase assumption for our U.K. plan is generally based on periodic studies of compensation trends.

For our OPEB plan, at December 31, 2024 and 2023, the annual rates of increase in the per capita cost of covered postretirement health care benefits assumed for the next calendar year are 7.00 percent and 6.75 percent, respectively, for benefits payable to both retirees prior to Medicare eligibility as well as Medicare eligible retirees. The rates are assumed to change gradually to 5.00 percent by 2033 for measurement at December 31, 2024 and remain at that level thereafter. The annual rates of increase in the per capita cost of covered postretirement health benefits do not apply to retirees whose postretirement health care benefits are provided through an exchange.

207
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
Net Periodic Benefit Cost

The following table provides the components of the net periodic benefit cost (credit) for the years ended December 31.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232022202420232022202420232022
(in millions of dollars)
Service Cost$9.2 $9.2 $7.7 $— $— $— $— $— $— 
Interest Cost82.9 87.9 67.2 7.6 7.7 5.0 4.0 4.5 3.0 
Expected Return on Plan Assets(91.3)(92.0)(105.9)(8.4)(8.5)(10.9)(0.4)(0.5)(0.5)
Amortization of:
   Net Actuarial Loss (Gain)14.6 15.2 16.3 2.9 2.5 0.4 (1.1)(10.5)(1.0)
   Prior Service Cost (Credit)
0.1 — — — — — (0.2)(0.2)(0.2)
Total Net Periodic Benefit Cost (Credit)$15.5 $20.3 $(14.7)$2.1 $1.7 $(5.5)$2.3 $(6.7)$1.3 

The service cost component of net periodic pension and postretirement benefit cost (credit) is included as a component of compensation expense in our consolidated statements of income. All other components of net periodic pension and postretirement benefit cost (credit) are included in other expenses.

Benefit Payments

The following table provides expected benefit payments, which reflect expected future service, as appropriate.
 U.S. PlansU.K. PlanOPEB
 (in millions of dollars)
Year
Pension Benefits
GrossSubsidy PaymentsNet
2025$87.7 $5.9 $8.8 $— $8.8 
202691.9 6.1 8.4 — 8.4 
202795.8 6.2 8.0 — 8.0 
202899.2 6.4 7.6 — 7.6 
2029102.2 6.6 7.2 — 7.2 
2030-2034545.1 35.3 30.2 0.1 30.1 

Funding Policy

The funding policy for our U.S. qualified defined benefit pension plan is to contribute an amount at least equal to the minimum contributions required under ERISA and other applicable laws, but generally not greater than the maximum amount that can be deducted for federal income tax purposes. During, 2024, we had no regulatory contribution requirements for our U.S. qualified defined benefit pension plan and made no voluntary contributions. We do not expect to have regulatory contribution requirements for our U.S. qualified defined benefit pension plan in 2025, but we reserve the right to make voluntary contributions during 2025. The funding policy for our U.S. non-qualified defined benefit pension plan, which is not subject to ERISA, is to contribute the amount necessary to satisfy the liabilities of the plan as they come due to participants. We expect to make contributions to the U.S. non-qualified defined benefit pension plan of approximately $10 million to fund the benefit payments in 2025.

208
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 11 - Employee Benefit Plans - Continued
During, 2024, we had no regulatory contribution requirements for our U.K. defined benefit pension plan and made no voluntary contributions. We do not expect to have regulatory contribution requirements for our U.K. defined benefit pension plan in 2025, but we reserve the right to make voluntary contributions during 2025.

Our OPEB plan represents a non-vested, non-guaranteed obligation, and current regulations do not require specific funding levels for these benefits, which are comprised of retiree life, medical, and dental benefits. It is our practice to use general assets to pay medical and dental claims as they come due in lieu of utilizing plan assets for the medical and dental benefit portions of our OPEB plan.

Defined Contribution Plans

We offer a 401(k) plan to all eligible U.S. employees under which a portion of employee contributions is matched. We match dollar-for-dollar up to 5.0 percent of base salary and any recognized sales and performance-based incentive compensation for employee contributions into the plan. We also make an additional non-elective contribution of 4.5 percent of earnings for all eligible employees. The 401(k) plan remains in compliance with ERISA guidelines and continues to qualify for a “safe harbor” from most annual discrimination testing.

We also offer a defined contribution plan to all eligible U.K. employees and offer related employer contributions. If an employee elects to make a minimum contribution of at least 1.0 percent of their base salary, we match with a contribution of 8.0 percent. We increase our contribution to a maximum of 12.0 percent as the employee increases their contribution from 1.0 percent to 5.0 percent. We do not increase our contribution percentage on employee contributions in excess of 5.0 percent.

During the years ended December 31, 2024, 2023, and 2022, we recognized costs of $81.6 million, $74.3 million, and $70.9 million, respectively, for our U.S. defined contribution plan. We recognized costs of $6.6 million, $5.7 million, and $4.9 million in 2024, 2023, and 2022, respectively, for our U.K. defined contribution plan.

Note 12 - Stockholders' Equity and Earnings Per Common Share

Earnings Per Common Share

Net income per common share is determined as follows:

 Year Ended December 31
 202420232022
 (in millions of dollars, except share data)
Numerator
Net Income$1,779.1 $1,283.8 $1,407.2 
Denominator (000s)
Weighted Average Common Shares - Basic187,497.7 196,659.7 200,647.2 
Dilution for Assumed Exercises of Nonvested Stock Awards571.5 942.3 1,462.2 
Weighted Average Common Shares - Assuming Dilution188,069.2 197,602.0 202,109.4 
Net Income Per Common Share
Basic$9.49 $6.53 $7.01 
Assuming Dilution$9.46 $6.50 $6.96 

We compute basic earnings per share by dividing net income by the weighted average number of common shares outstanding for the period. In computing earnings per share assuming dilution, we include potential common shares that are dilutive (those that reduce earnings per share). We use the treasury stock method to account for the effect of nonvested stock success units and
209
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 12 - Stockholders' Equity and Earnings Per Common Share - Continued
nonvested restricted stock units on the computation of diluted earnings per share. Under this method, the potential common shares from nonvested stock success units and nonvested restricted stock units will each have a dilutive effect, as individually measured, when the average market price of Unum Group common stock during the period exceeds the grant price of the nonvested stock success units and nonvested restricted stock units. Potential common shares not included in the computation of diluted earnings per share because the impact would be antidilutive, approximated 0.1 million, 0.5 million, and 0.1 million for the years ended December 31, 2024, 2023, and 2022, respectively. See Note 13 for further discussion of our stock-based compensation plans.

Common Stock

As part of our capital deployment strategy, we may repurchase shares of Unum Group's common stock, as authorized by our board of directors. The timing and amount of repurchase activity is based on market conditions and other considerations, including the level of available cash, alternative uses for cash, and our stock price.

Our board of directors has authorized the following repurchase programs:

February 2025 Authorization
July 2024 Authorization1
October 2023 Authorization2
December 2022 Authorization3
October 2021 Authorization
(in millions)
Effective Date
April 1, 2025August 1, 2024January 1, 2024January 1, 2023October 25, 2021
Expiration Date
NoneMarch 31, 2025July 31, 2024December 31, 2023December 31, 2022
Authorized Repurchase Amount
$1,000.0 $1,000.0 $500.0 $250.0 $250.0 
Cost of Shares Repurchased Under Repurchase Program
— 506.8 464.2 250.0 250.0 
Unused and Expired
— — 35.8 — — 
Remaining Repurchase Amount at December 31, 2024
Not yet effective
$493.2 $— $— $— 
1Concurrent with the announcement of the February 2025 repurchase program, we also announced the termination of the July 2024 program as of March 31, 2025, and any unused amounts under that program will expire as of that date.
2Concurrent with the announcement of the July 2024 repurchase program, we also announced the termination of the October 2023 program as of July 31, 2024, and all unused amounts under that program expired as of that date.
3In February 2023, the December 2022 program was modified to increase the authorized repurchase amount from $200.0 million to $250.0 million.

In August 2022, the Inflation Reduction Act was signed into law in the U.S. and imposed a one percent excise tax on corporate stock repurchases effective January 1, 2023. This excise tax is recorded as part of the cost basis of treasury stock and is assessed on the fair market value of stock repurchases reduced by the fair market value of any shares issued during the period.

210
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 12 - Stockholders' Equity and Earnings Per Common Share - Continued
Common stock repurchases, which are accounted for using the cost method and classified as treasury stock until otherwise retired, were as follows:
Year Ended December 31
202420232022
(in millions)
Shares Repurchased15.7 5.7 5.7 
Cost of Shares Repurchased1
$979.3 $252.0 $200.1 

1 Includes $80.3 million related to shares which settled in February 2025 in connection with the November 2024 accelerated share repurchase agreement (ASR), a de minimis amount of commissions for the year ended December 31, 2024, and $0.1 million of commissions for the years ended December 31, 2023 and 2022. Also includes $8.3 million and $1.9 million of excise tax for the years ended December 31, 2024 and 2023, respectively. There were no excise taxes during the year ended December 31, 2022.

As a part of our share repurchase program, we periodically enter into ASRs. Under the terms of these agreements, we make a prepayment to a financial counterparty for which we receive an initial delivery of approximately 75 percent of the total Unum Group common stock to be delivered under the agreement. We simultaneously enter into a forward contract indexed to the price of Unum Group common stock, which subjects the transactions to a future price adjustment. Under the terms of the agreements, we are to receive, or be required to pay, a price adjustment based on the volume weighted average price of Unum Group common stock during the term of the agreement, less a discount. Any price adjustment payable to us is settled in shares of Unum Group common stock. Any price adjustment we would be required to pay may be settled in either cash or common stock at our option. Details of our ASRs are as follows:

Prepayment DatePrepayment AmountInitial Share DeliveryForward Contract Settlement DateShares Delivered to Settle Forward Contract
(in millions)
November 2024
$321.03.8
February 20251
0.7
October 2024$150.01.9
December 2024
0.3
July 2024
$150.02.2
September 2024
0.6
April 2024$125.01.7June 20240.7
January 2024$100.01.6March 20240.5
July 2023$50.00.8September 20230.2
February 2022
$50.01.3
April 2022
0.4
1The final price adjustment settlement, along with the delivery of the remaining shares, occurred in February 2025, resulting in the delivery to us of 0.7 million additional shares. As a result of the final settlement occurring subsequent to December 31, 2024, we recorded a decrease to additional paid-in capital within stockholders' equity on our consolidated balance sheet for the value of the shares held back by the counterparty as of December 31, 2024, which was reclassified to treasury stock in the first quarter of 2025 in connection with the final settlement of the agreement.

In December 2023, we retired 115.0 million shares of our treasury stock with a total cost of $3,642.5 million.

Preferred Stock

Unum Group has 25.0 million shares of preferred stock authorized with a par value of $0.10 per share. No preferred stock has been issued to date.

211
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 13 - Stock-Based Compensation
Description of Stock Plans

Under the 2022 Stock Incentive Plan (the 2022 Plan), up to 6.8 million shares of common stock are available for awards to our employees, officers, consultants, and directors.  Awards may be in the form of stock options, stock appreciation rights, restricted stock, restricted stock units, performance share units, and other stock-based awards.  Each award, under the 2022 plan is counted as 1.00 share. The exercise price for stock options issued cannot be less than the fair value of the underlying common stock as of the grant date. The maximum term of each stock option or stock appreciation right is ten years after the date of grant.  At December 31, 2024, approximately 5.0 million shares were available for future grants under the 2022 Plan.

Under the Stock Incentive Plan of 2017 (the 2017 Plan), which was terminated in May 2022 for the purposes of any further grants, up to 17.0 million shares of common stock were available for awards to our employees, officers, consultants, and directors. Awards could be in the form of stock options, stock appreciation rights, restricted stock, restricted stock units, performance share units, and other stock-based awards. Each full-value award under the 2017 plan, defined as any award other than a stock option or stock appreciation right, were counted as 1.76 shares. Awards granted before the termination of the 2017 Plan remain outstanding in accordance with the plan's terms. Any shares subject to an outstanding award under the 2017 Plan that, after March 15, 2022, is not issued because the award is forfeited, terminates, expires or lapses without being exercised (as applicable), or is settled for cash, becomes available for issuance under the 2022 Plan. Stock options had a term of eight years after the date of grant and fully vested after three years.

We issue new shares of common stock for all of our stock plan vestings and exercises.

Stock Success Units (SSUs)
SSUs are classified as equity. As of December 31, 2024 and 2023, there were 86 thousand and 105 thousand shares of SSUs outstanding, respectively, with a weighted average grant date fair value of $18.78 per share. There were no issuances of SSUs during 2024, 2023, or 2022. During 2024, 19 thousand shares of SSUs were forfeited. SSUs vest over a six year period, beginning at the date of grant. One-third of the SSUs are eligible for accelerated vesting on a cumulative basis at the end of each of the one-, three-, and five-year service periods that began on January 1, 2021, if certain performance goals are achieved. Forfeitable dividends on SSUs are accrued in the form of cash. Compensation cost for SSUs subject to accelerated vesting due to the achievement of certain performance conditions at the end of the one-, three-, and five-year service periods is recognized over the implicit service period.

No SSUs vested during 2024 or 2022. The total fair value of SSUs that vested during 2023 was $1.9 million. At December 31, 2024, we had $0.3 million of unrecognized compensation cost related to SSUs that will be recognized over a remaining weighted average period of 0.5 years.

Performance Share Units (PSUs)
PSUs are classified as equity. There were no new tranches of PSUs issued during 2024, 2023, or 2022. Vesting for the PSUs occurred at the end of a three-year period and was contingent upon our achievement of prospective company performance goals and our total shareholder return relative to a board-approved peer group during the three-year period. Actual performance, including modification for relative total shareholder return, could have resulted in the ultimate award of 40 percent to 180 percent of the initial number of PSUs issued, with the potential for no award if company performance goals had not been achieved during the three-year period. Forfeitable dividend equivalents on PSUs were accrued as cash.

PSU shares represent aggregate initial target awards and accrued dividend equivalents and do not reflect potential increases or decreases resulting from the application of the performance factor determined after the end of the performance periods. At December 31, 2022, the three-year performance period for the 2020 PSU grant was completed and the related shares vested, but the performance factor had not yet been applied. The performance factor, which exceeded 100 percent, was applied during the first quarter of 2023 and resulted in the granting and vesting of an additional 245 thousand shares. We had no outstanding PSUs at December 31, 2024, 2023, or 2022 and there were no PSUs forfeited during 2024.

212
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 13 - Stock-Based Compensation - Continued
No PSUs vested during 2024 and the total fair value of PSUs vested during 2023 and 2022 was $5.8 million and $4.2 million, respectively. At December 31, 2024, we had no unrecognized compensation cost related to PSUs as there are no remaining PSUs outstanding. The estimated compensation expense was adjusted for actual performance experience and was recognized ratably during the service period when it became probable that the performance conditions would be satisfied. Compensation cost for PSUs subject to accelerated vesting at the date of retirement eligibility was recognized over the implicit service period.

The fair value of PSUs is estimated on the date of initial grant using the Monte-Carlo simulation model. Key assumptions used to value PSUs granted during 2020 are as follows:
Year Ended December 31, 2020
Expected Volatility (based on our and our peer group historical daily stock prices)23 %
Expected Life (equals the performance period)3 years
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)0.85 %

Cash Incentive Units (CIUs)

CIUs are denominated and settled in cash, with each unit representing the right to receive one dollar. Vesting for the CIUs occurs at the end of a three-year period and is based upon prospective company performance measures and our total shareholder return relative to a board-approved peer group during the three-year period. We issued 9.5 million, 9.0 million, and 8.0 million CIUs during 2024, 2023, and 2022, respectively. However, actual performance, including the modification for relative total shareholder return, may result in an award of up to 200 percent of the initial number of CIUs issued.

Activity for CIUs, which are classified as a liability, is as follows:
Units
(000s)
Outstanding at December 31, 2023
17,028 
Granted
16,187 
Vested(13,442)
Forfeited(3,318)
Outstanding at December 31, 2024
16,455 

At December 31, 2024, the three-year performance period for the 2022 CIU grant was completed and the related shares vested, but the performance factor had not yet been applied. The performance factor will be applied during the first quarter of 2025, with payments of awards at that time. Granted and vested amounts in the preceding table also include an adjustment to reflect the application of the performance factor to the 2021 CIU grant, which occurred during the first quarter of 2024.

At December 31, 2024 and 2023 the liability for CIUs was $36.2 million and $37.7 million, respectively. CIU payments made during 2024 totaled $13.9 million There were no CIU payments made during 2023 and 2022. At December 31, 2024, we had approximately $1.1 million of unrecognized compensation cost related to CIUs that will be recognized over a weighted average period of 1.7 years. The estimated compensation expense is adjusted for actual performance experience and is recognized ratably during the service period, or remaining service period, if and when it becomes probable that the performance conditions will be satisfied. Compensation cost for CIUs subject to accelerated vesting at the date of retirement eligibility is recognized over the implicit service period.

213
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 13 - Stock-Based Compensation - Continued
The fair value of CIUs is estimated at each reporting period using the Monte-Carlo simulation model. Key assumptions used to value CIUs granted are as follows:
Assumptions as of the Year Ended December 31, 2024
2024 Grant2023 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %30 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.25 %4.19 %

Assumptions as of the Year Ended December 31, 2023
2023 Grant2022 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %27 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.26 %4.75 %

Assumptions as of the Year Ended December 31, 2022
2022 Grant2021 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %33 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.26 %4.60 %

Restricted Stock Units (RSUs)

RSUs vest over a one to three-year service period, beginning at the date of grant, and the compensation cost is recognized ratably during the vesting period.  Forfeitable dividend equivalents on RSUs are accrued as cash. Compensation cost for RSUs subject to accelerated vesting at the date of retirement eligibility is recognized over the implicit service period.

Activity for RSUs, which are classified as equity, is as follows:
Weighted Average
SharesGrant Date
(000s)Fair Value
Outstanding at December 31, 20231,213 $35.51 
Granted825 49.57 
Vested(906)37.88 
Forfeited(145)40.71 
Outstanding at December 31, 2024987 44.31 

During 2024, 2023, and 2022, we issued RSUs with a weighted average grant date fair value per share of $49.57, $45.56, and $28.21, respectively. 

The total fair value of shares vested during 2024, 2023, and 2022 was $34.8 million, $49.9 million, and $28.0 million, respectively. At December 31, 2024, we had $26.5 million of unrecognized compensation cost related to RSUs that will be recognized over a weighted average period of 0.9 years.

214
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 13 - Stock-Based Compensation - Continued
Cash-Settled RSUs

Cash-settled RSUs vested over a one to three-year service period, beginning at the date of grant, and the compensation cost was recognized ratably during the vesting period. Forfeitable dividends on cash-settled RSUs were accrued in the form of cash. Compensation cost for cash-settled RSUs subject to accelerated vesting at the date of retirement eligibility was recognized over the implicit service period.
There were no issuances of cash-settled RSUs during 2024, 2023, and 2022.

The amount payable per unit awarded is equal to the price per share of Unum Group's common stock at settlement of the award, and as such, we measured the value of the award each reporting period based on the current stock price. The effects of changes in the stock price during the service period were recognized as compensation cost over the service period. Changes in the amount of the liability due to stock price changes after the service period were recognized as compensation cost during the period in which the changes occurred. There was no remaining liability for cash-settled RSUs at December 31, 2024 and 2023. There were no cash-settled RSU payments during 2024. Cash-settled RSU payments made during 2023 and 2022 were $1.1 million and $0.6 million, respectively. At December 31, 2024, we had no unrecognized compensation cost related to cash-settled RSUs as there are no remaining cash-settled RSUs outstanding.

Expense

Compensation expense for the stock based plans, as reported in our consolidated statements of income, is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Performance Share Units$— $0.3 $5.7 
Cash Incentive Units12.4 21.7 12.8 
Restricted Stock Units and Cash-Settled Restricted Stock Units34.5 40.6 32.7 
Stock Success Units0.1 0.9 0.9 
Other0.8 0.6 0.6 
Total Compensation Expense, Before Income Tax$47.8 $64.1 $52.7 
Total Compensation Expense, Net of Income Tax$41.6 $57.5 $47.3 

Cash received under all share-based payment arrangements for the years ended December 31, 2024, 2023, and 2022 was $6.0 million, $5.2 million, and $4.2 million, respectively.

215

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 14 - Reinsurance
Reinsurance activity related to our premium income, policy benefits, and policy benefits remeasurement gain are as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Direct Premium Income$10,732.1 $10,286.8 $9,893.6 
Reinsurance Assumed69.8 80.4 78.7 
Reinsurance Ceded(304.5)(321.2)(355.8)
Net Premium Income$10,497.4 $10,046.0 $9,616.5 
Direct Policy Benefits
$8,027.9 $8,001.8 $8,205.3 
Reinsurance Assumed
152.5 138.7 135.1 
Reinsurance Ceded
(700.2)(828.6)(798.3)
Net Policy Benefits
$7,480.2 $7,311.9 $7,542.1 
Direct Policy Benefits - Remeasurement Gain
$(546.8)$(49.2)$(372.5)
Reinsurance Assumed
2.2 (0.1)36.4 
Reinsurance Ceded
(17.7)(5.5)(211.4)
Net Policy Benefits - Remeasurement Gain
$(562.3)$(54.8)$(547.5)

We exited a substantial portion of our Closed Block individual disability product line through two phases of a coinsurance and modified coinsurance reinsurance transaction with Commonwealth Annuity and Life Insurance Company (Commonwealth) that were executed in December 2020 and March 2021. In addition, we also entered into an agreement with Commonwealth whereby we will provide a 12-year volatility cover to Commonwealth for the active life cohort (ALR cohort) ceded as a part of the reinsurance transaction described above. At the end of the 12-year coverage period, Commonwealth will retain the risk for the remaining incidence and claims risk on the ALR cohort of the ceded business. Due to the nature of the volatility cover, the ALR cohort is accounted for under the deposit method on a GAAP basis. Reserves ceded to Commonwealth were $4,698.4 million and $5,143.4 million at December 31, 2024 and 2023, respectively. The deposit asset as of December 31, 2024 and 2023 was $282.3 million and $296.5 million, respectively. The unamortized cost of reinsurance related to the reinsurance transaction with Commonwealth was $508.1 million and $549.5 million at December 31, 2024 and 2023, respectively. We amortized the cost of reinsurance related to this transaction of $41.4 million, $44.1 million, and $50.3 million in 2024, 2023, and 2022, respectively.

As of December 31, 2024, Commonwealth accounted for 56 percent of the total reinsurance recoverable and the majority of our total cost of reinsurance. Commonwealth has an A rating by A.M. Best Company (AM Best) and has also established collateralized trust accounts for our benefit to secure its obligations. In addition, nine other major companies, which account for approximately 39 percent of our reinsurance recoverable, are also rated A or better by either AM Best or Standard & Poor's Ratings Services (S&P), or are fully securitized by letters of credit or investment-grade fixed maturity securities held in trust. Approximately 4 percent of our reinsurance recoverable is primarily related to business reinsured with other companies also rated A- or better by AM Best or S&P, with overseas entities with equivalent ratings, or backed by letters of credit or trust agreements, or through reinsurance arrangements wherein we retain the assets in our general account. Less than one percent of our reinsurance recoverable is held by companies either rated below A- by AM Best or S&P, or not rated.

Closed Block Long-Term Care and Unum US Individual Disability Reinsurance Transaction

On February 26, 2025, Unum America entered into a master transaction agreement with Fortitude Reinsurance Company Ltd. (Fortitude Re) which, subject to receipt of regulatory approvals and the satisfaction or waiver of other customary closing conditions, is expected to result in the execution of a coinsurance agreement (anticipated reinsurance agreement) during 2025.

216
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 14 - Reinsurance - Continued
This anticipated reinsurance agreement is to reinsure a portion of our Closed Block long-term care insurance business and a portion of our Unum US individual disability business on a coinsurance basis to Fortitude Re. The anticipated reinsurance agreement represents approximately 21 percent of total Closed Block long-term care future policy benefits and approximately 15 percent of Unum US individual disability future policy benefits as of December 31, 2024. The transaction is expected to result in approximately $430 million pre-tax ceding commission paid to Fortitude Re. Fortitude Re will establish and maintain a collateralized trust account for the benefit of Unum America to secure its obligations under the anticipated reinsurance agreement.

Immediately prior to entering into the anticipated reinsurance agreement with Fortitude Re, Unum America will recapture the aforementioned Closed Block long-term care business from Fairwind Reinsurance Company (Fairwind), an affiliated captive reinsurer, and assume the aforementioned Unum US individual disability business from Provident, an affiliate.

Note 15 - Segment Information

We have three principal operating segments: Unum US, Unum International, and Colonial Life. Our other operating segments are Closed Block and Corporate.

The Unum US segment is comprised of group disability, group life and accidental death and dismemberment, and supplemental and voluntary lines of business. The group disability line of business includes long-term and short-term disability, medical stop-loss, and fee-based service products. The supplemental and voluntary line of business includes voluntary benefits, individual disability, and dental and vision products. These products, excluding medical stop-loss which is no longer actively marketed as of the third quarter of 2024, are marketed through our field sales personnel who work in conjunction with independent brokers and consultants.

The Unum International segment is comprised of our operations in both the United Kingdom and Poland. Our Unum UK products include insurance for group long-term disability, group life, and supplemental lines of business which include dental, critical illness, and individual disability products. Our Unum Poland products include insurance for individual and group life with accident and health riders. Unum International's products are sold primarily through field sales personnel and independent brokers and consultants.

The Colonial Life segment includes insurance for accident, sickness, and disability products, which includes dental and vision products, life products, and cancer and critical illness. These products are marketed to employees, on both a group and an individual basis, at the workplace through an independent contractor agent sales force and brokers.

The Closed Block segment consists of group and individual long-term care, and other insurance products no longer actively marketed. We discontinued offering individual long-term care in 2009 and group long-term care in 2012. Other insurance products include individual disability, group pension, individual life and corporate-owned life insurance, reinsurance pools and management operations, and other miscellaneous product lines.

The Corporate segment includes investment income on corporate assets not specifically allocated to a line of business, interest expense on corporate debt, and certain other corporate income and expenses not allocated to a line of business.

Premium income is primarily derived from sources in the United States, the United Kingdom, and Poland. There are no material revenues or assets attributable to foreign operations other than those reported in our Unum International segment.

Our Chief Executive Officer is the Chief Operating Decision Maker (CODM). Our CODM evaluates the performance of our segments on the basis of "adjusted operating revenue" and "adjusted operating income" or "adjusted operating loss". The significant expense categories and amounts included within "adjusted operating income" or "adjusted operating loss" align with the segment level information that is regularly provided to the CODM. We believe adjusted operating revenue and adjusted operating income or loss are better performance measures and better indicators of the revenue and profitability and underlying trends in our business. As such, the CODM uses these performance measures to evaluate profitability, assist in resourcing decisions, and monitor budgeted versus actual results. These performance measures are in accordance with GAAP guidance for
217
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 15 - Segment Information - Continued
segment reporting, but they should not be viewed as a substitute for total revenue, income before income tax, net income, or net loss.
Segment information is shown below.

Year Ended December 31
202420232022
(in millions of dollars)
Premium Income
Unum US
Group Disability
Group Long-term Disability$2,086.1 $2,057.2 $1,911.7 
Group Short-term Disability1,084.0 1,012.3 926.3 
Group Life and Accidental Death & Dismemberment
Group Life1,784.7 1,679.0 1,669.1 
Accidental Death & Dismemberment186.1 175.5 173.7 
Supplemental and Voluntary
Voluntary Benefits879.2 850.1 833.7 
Individual Disability566.0 527.0 461.1 
Dental and Vision297.1 278.1 275.8 
6,883.2 6,579.2 6,251.4 
Unum International
Unum UK
Group Long-term Disability418.0 396.1 376.9 
Group Life211.3 169.3 138.2 
Supplemental165.6 141.5 114.0 
Unum Poland154.6 118.3 89.7 
949.5 825.2 718.8 
Colonial Life
Accident, Sickness, and Disability969.5 946.1 948.9 
Life458.0 426.5 401.1 
Cancer and Critical Illness356.4 353.5 352.0 
1,783.9 1,726.1 1,702.0 
Closed Block
Long-term Care696.1 696.0 697.4 
All Other184.7 219.5 246.9 
880.8 915.5 944.3 
Total Premium Income$10,497.4 $10,046.0 $9,616.5 

218
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 15 - Segment Information - Continued
Year Ended December 31, 2024
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,883.2 $949.5 $1,783.9 $880.8 $— $10,497.4 
Net Investment Income632.2 128.8 161.5 1,148.9 58.6 2,130.0 
Other Income235.9 1.6 4.0 51.7 1.3 294.5 
Adjusted Operating Revenue$7,751.3 $1,079.9 $1,949.4 $2,081.4 $59.9 $12,921.9 
Adjusted Policy Benefits1
$4,246.5 $693.6 $885.4 $1,629.6 $— $7,455.1 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(238.2)(44.4)(34.7)112.4 — (204.9)
Commissions729.3 82.5 378.4 68.4 — 1,258.6 
Interest and Debt Expense— — — — 201.1 201.1 
Deferral of Acquisition Costs
(320.9)(17.8)(312.8)— — (651.5)
Amortization of Deferred Acquisition Costs292.5 9.5 219.0 — — 521.0 
Other Segment Items3
1,602.9 198.7 347.4 133.2 50.0 2,332.2 
Adjusted Benefits and Expenses
$6,312.1 $922.1 $1,482.7 $1,943.6 $251.1 $10,911.6 
Adjusted Operating Income (Loss)$1,439.2 $157.8 $466.7 $137.8 $(191.2)$2,010.3 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment and the loss on legal settlement in the Corporate segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2024 was $85.0 million, $17.9 million, $15.1 million, $5.4 million, and $0.1 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.

219
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 15 - Segment Information - Continued
Year Ended December 31, 2023
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,579.2 $825.2 $1,726.1 $915.5 $— $10,046.0 
Net Investment Income639.9 137.2 153.5 1,066.3 99.8 2,096.7 
Other Income220.5 1.6 1.2 52.6 3.3 279.2 
Adjusted Operating Revenue$7,439.6 $964.0 $1,880.8 $2,034.4 $103.1 $12,421.9 
Adjusted Policy Benefits1
$4,221.2 $581.4 $877.1 $1,597.4 $— $7,277.1 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(283.9)(19.5)1.7 69.7 — (232.0)
Commissions664.4 72.5 359.4 73.8 — 1,170.1 
Interest and Debt Expense— — — — 194.8 194.8 
Deferral of Acquisition Costs(314.7)(14.6)(302.9)— — (632.2)
Amortization of Deferred Acquisition Costs267.6 8.4 205.4 — — 481.4 
Other Segment Items3
1,529.5 177.7 340.0 128.6 54.7 2,230.5 
Adjusted Benefits and Expenses
$6,084.1 $805.9 $1,480.7 $1,869.5 $249.5 $10,489.7 
Adjusted Operating Income (Loss)$1,355.5 $158.1 $400.1 $164.9 $(146.4)$1,932.2 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2023 was $76.3 million, $14.6 million, $13.6 million, $5.2 million and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
220
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 15 - Segment Information - Continued
Year Ended December 31, 2022
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,251.4 $718.8 $1,702.0 $944.3 $— $9,616.5 
Net Investment Income676.3 170.1 152.7 1,070.6 52.5 2,122.2 
Other Income196.3 0.9 1.1 58.0 4.8 261.1 
Adjusted Operating Revenue$7,124.0 $889.8 $1,855.8 $2,072.9 $57.3 $11,999.8 
Adjusted Policy Benefits1
$4,429.6 $521.6 $926.6 $1,620.5 $— $7,498.3 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(287.9)35.6 (45.3)2.8 — (294.8)
Commissions614.4 56.3 340.0 75.7 — 1,086.4 
Interest and Debt Expense— — — — 192.7 192.7 
Deferral of Acquisition Costs(273.1)(12.0)(271.8)— — (556.9)
Amortization of Deferred Acquisition Costs240.9 8.2 172.0 — — 421.1 
Other Segment Items3
1,427.5 146.1 321.4 122.0 28.9 2,045.9 
Adjusted Benefits and Expenses
$6,151.4 $755.8 $1,442.9 $1,821.0 $221.6 $10,392.7 
Adjusted Operating Income (Loss)
$972.6 $134.0 $412.9 $251.9 $(164.3)$1,607.1 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter and the impact of non-contemporaneous reinsurance in the Closed Block segment.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2022 was $75.7 million, $14.4 million, $15.0 million, $4.7 million, and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.

December 31
20242023
(in millions of dollars)
Assets
Unum US$14,981.6 $15,561.1 
Unum International3,291.3 3,372.9 
Colonial Life4,964.2 4,830.4 
Closed Block33,376.0 35,272.8 
Corporate5,346.2 4,218.0 
Total Assets$61,959.3 $63,255.2 

We report goodwill in our Unum US, Unum International, and Colonial Life segments, which are the segments expected to benefit from the originating business combinations. At December 31, 2024 and 2023 goodwill was $349.1 million and $349.9 million, respectively, with $280.0 million attributable to Unum US in each year, $41.4 million and $42.2 million, respectively, attributable to Unum International, and $27.7 million attributable to Colonial Life in each year.
221
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 15 - Segment Information - Continued
We measure and analyze our segment performance on the basis of "adjusted operating revenue" and "adjusted operating income" or "adjusted operating loss", which differ from total revenue and income before income tax as presented in our consolidated statements of income due to the exclusion of investment gains or losses, the amortization of the cost of reinsurance, the impact of non-contemporaneous reinsurance, and reserve assumption updates as well as certain other items as specified in the reconciliations below. We believe adjusted operating revenue and adjusted operating income or loss are better performance measures and better indicators of the revenue and profitability and underlying trends in our business. These performance measures are in accordance with GAAP guidance for segment reporting, but they should not be viewed as a substitute for total revenue, income before income tax, net income, or net loss.

Investment gains or losses primarily include realized investment gains or losses, expected investment credit losses, and gains or losses on derivatives. Investment gains or losses depend on market conditions and do not necessarily relate to decisions regarding the underlying business of our segments. Our investment focus is on investment income to support our insurance liabilities as opposed to the generation of investment gains or losses. Although we may experience investment gains or losses which will affect future earnings levels, a long-term focus is necessary to maintain profitability over the life of the business since our underlying business is long-term in nature, and we need to earn the interest rates assumed in calculating our liabilities.

We exited a substantial portion of our Closed Block individual disability product line through the two phases of the reinsurance transaction that were executed in December 2020 and March 2021. As a result, we exclude the amortization of the cost of reinsurance that we recognized upon the exit of the business related to the policies on claim status as well as the impact of non-contemporaneous reinsurance that resulted from the adoption of ASU 2018-12. We believe that the exclusion of these items provides a better view of our results from our ongoing businesses.

During the third quarter of 2024, we incurred a loss of $15.3 million within our Corporate segment for the settlement of an employment-related matter. $4.9 million of the loss is recorded within compensation expense and $10.4 million of the loss is recorded within other expenses within the consolidated statements of income.

Cash flow assumptions used to calculate our liability for future policy benefits are reviewed at least annually and updated, as needed, with the resulting impact reflected in net income. While the effects of these assumption updates are recorded in the reporting period in which the review is completed, these updates reflect experience emergence and changes to expectations spanning multiple periods. We believe that by excluding the impact of reserve assumption updates we are providing a more comparable and consistent view of our quarterly results.

We may at other times exclude certain other items from our discussion of financial ratios and metrics in order to enhance the understanding and comparability of our operational performance and the underlying fundamentals, but this exclusion is not an indication that similar items may not recur and does not replace net income or net loss as a measure of our overall profitability.

See above and Notes 3, 6, and 14 for further discussion regarding the items specified in the reconciliation below.

222
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 15 - Segment Information - Continued
A reconciliation of total revenue to "adjusted operating revenue" and income before income tax to "adjusted operating income" is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Total Revenue$12,887.3 $12,385.9 $11,984.1 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Adjusted Operating Revenue$12,921.9 $12,421.9 $11,999.8 
Income Before Income Tax$2,251.3 $1,640.1 $1,750.0 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Amortization of the Cost of Reinsurance(41.4)(44.1)(50.3)
Non-Contemporaneous Reinsurance
(25.1)(34.8)(34.4)
Reserve Assumption Updates357.4 (177.2)243.3 
Loss on Legal Settlement(15.3)— — 
Adjusted Operating Income$2,010.3 $1,932.2 $1,607.1 


223
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 16 - Commitments and Contingent Liabilities
Commitments

See Notes 2 and 3 for further discussion on certain of our investment commitments.

Contingent Liabilities
 
We are a defendant in a number of litigation matters that have arisen in the normal course of business, including the matters discussed below. Further, state insurance regulatory authorities and other federal and state authorities regularly make inquiries and conduct investigations concerning our compliance with applicable insurance and other laws and regulations. Given the complexity and scope of our litigation and regulatory matters, it is not possible to predict the ultimate outcome of all pending investigations or legal proceedings or provide reasonable estimates of potential losses, except if noted in connection with specific matters.

In some of these matters, no specified amount is sought. In others, very large or indeterminate amounts, including punitive and treble damages, are asserted. There is a wide variation of pleading practice permitted in the United States courts with respect to requests for monetary damages, including some courts in which no specified amount is required and others which allow the plaintiff to state only that the amount sought is sufficient to invoke the jurisdiction of that court. Further, some jurisdictions permit plaintiffs to allege damages well in excess of reasonably possible verdicts. Based on our extensive experience and that of others in the industry with respect to litigating or resolving claims through settlement over an extended period of time, we believe that the monetary damages asserted in a lawsuit or claim bear little relation to the merits of the case, or the likely disposition value. Therefore, the specific monetary relief sought is not stated.
 
Unless indicated otherwise, reserves have not been established for litigation and contingencies. An estimated loss is accrued when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.
 
Claim Handling Matters
 
We and our insurance subsidiaries, in the ordinary course of our business, are engaged in claim litigation where disputes arise as a result of a denial or termination of benefits. Most typically these lawsuits are filed on behalf of a single claimant or policyholder, and in some of these individual actions punitive damages are sought, such as claims alleging bad faith in the handling of insurance claims. For our general claim litigation, we maintain reserves based on experience to satisfy judgments and settlements in the normal course. We expect that the ultimate liability, if any, with respect to general claim litigation, after consideration of the reserves maintained, will not be material to our consolidated financial condition. Nevertheless, given the inherent unpredictability of litigation, it is possible that an adverse outcome in certain claim litigation involving punitive damages could, from time to time, have a material adverse effect on our consolidated results of operations in a period, depending on the results of operations for the particular period.
 
From time to time class action allegations are pursued where the claimant or policyholder purports to represent a larger number of individuals who are similarly situated. Since each insurance claim is evaluated based on its own merits, there is rarely a single act or series of actions which can properly be addressed by a class action. Nevertheless, we monitor these cases closely and defend ourselves appropriately where these allegations are made.

Note 17 - Leases

We lease certain buildings and equipment under various noncancellable operating lease agreements. In addition, we have sub-lease agreements on a limited number of our building lease agreements. We have the option to renew the majority of our building leases and equipment leases at the end of the lease term at the fair rental value at the time of renewal.

We do not have any lease agreements or sub-lease agreements that contain variable lease payments. In addition, we do not have lease agreements or sub-lease agreements that contain residual value guarantees or impose any financial restrictions or covenants with the lessors.
224
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 17 - Leases - Continued
Operating lease information is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Lease Cost
Operating Lease Cost$17.3 $16.4 $19.6 
Sublease Income(1.7)(1.5)(1.1)
Total Lease Cost$15.6 $14.9 $18.5 
Other Information
Cash Paid for Amounts Included in the Measurement of Lease Liabilities$20.7 $20.3 $23.1 
Weighted-Average Remaining Lease Term5 years5 years6 years
Weighted-Average Discount Rate5.19 %4.85 %4.32 %

As of December 31, 2024, aggregate undiscounted minimum lease payments and the reconciliation to our lease liability are as follows (in millions of dollars):

2025$17.4 
202615.9 
202713.6 
202812.4 
202911.1 
2030 and Thereafter11.1 
Total81.5 
Less Imputed Interest12.1 
Lease Liability$69.4 

The right-of-use asset was $45.1 million and $35.8 million at December 31, 2024 and 2023, respectively.

225
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 18 - Statutory Financial Information
Statutory Net Income, Capital and Surplus, and Dividends

Statutory net income for U.S. life insurance companies is reported in conformity with statutory accounting principles prescribed by the National Association of Insurance Commissioners (NAIC) and adopted by applicable domiciliary state laws. The commissioners of the states of domicile have the right to permit other specific practices that may deviate from prescribed practices. In connection with a financial examination of Unum America, which closed at the end of the second quarter of 2020, the Maine Bureau of Insurance (MBOI) concluded that Unum America’s long-term care statutory reserves were deficient by $2,100.0 million as of December 31, 2018, the financial statement date of the examination period. The amount reserves were deficient by changed over time based on changes in assumed reinvestment rates, policyholder inventories, premium rate increase activity, and the underlying growth in the locked in statutory reserve basis as well as updates to other long term actuarial assumptions. The MBOI granted permission to Unum America on May 1, 2020, to phase in the additional statutory reserves over seven years beginning with year-end 2020 and ending with year-end 2026.

The calculation of the premium deficiency reserve (PDR) reflects specific assumptions set by MBOI and has resulted in a significant margin above Unum America’s best estimate assumptions. As of December 31, 2022, the gross PDR was $2,851 million and Unum America recognized a cumulative gross PDR of $1,191 million, resulting in $1,660 million remaining to be recognized. As of December 31, 2023, the gross PDR was $1,604 million, which was fully recognized by Unum America. As a result, Unum America submitted a withdrawal request to the MBOI for the permitted practice, and the withdrawal request was approved effective December 31, 2024.

If the permitted practice was not granted by the MBOI to phase in these additional statutory reserves, the impact to the risk-based capital ratio would have triggered a regulatory event for the years under examination prior to the year ended December 31, 2023. Our other traditional U.S. life insurance subsidiaries have no prescribed or permitted statutory accounting practices that differ materially from statutory accounting principles prescribed by the NAIC.

Our long-term care reserves and financial results reported under generally accepted accounting principles were not affected by the MBOI’s examination conclusion.

Unum America cedes blocks of long-term care business to Fairwind, which is an affiliated captive reinsurance subsidiary (captive reinsurer) domiciled in the United States, with Unum Group as the ultimate parent. This captive reinsurer was established for the limited purpose of reinsuring risks attributable to specified policies issued or reinsured by Unum America.

Fairwind, which is domiciled in the state of Vermont, is required to follow GAAP in accordance with Vermont reporting requirements for pure captive insurance companies, unless the commissioner permits the use of some other basis of accounting. Fairwind has permission from Vermont to follow accounting practices that are generally consistent with current NAIC statutory accounting principles for its insurance reserves and invested assets supporting reserves. All other assets and liabilities are accounted for in accordance with GAAP, as prescribed by Vermont, which includes the full recognition of deferred tax assets which are more likely than not to be realized. Statutory accounting principles have a stricter limitation for the recognition of deferred tax assets. The impact of following the prescribed and permitted practices of Vermont rather than statutory accounting principles prescribed by the NAIC resulted in higher capital and surplus for Fairwind of approximately $334 million and $469 million as of December 31, 2024 and 2023, respectively.

226
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 18 - Statutory Financial Information - Continued
The operating results and capital and surplus of our traditional U.S. life insurance subsidiaries and our captive reinsurer, prepared in accordance with prescribed or permitted accounting practices of the NAIC or states of domicile, are presented separately below.
Year Ended December 31
202420232022
(in millions of dollars)
Combined Net Income (Loss)
Traditional U.S. Life Insurance Subsidiaries$1,322.4 $1,329.9 $965.4 
Captive Reinsurer
$662.2 $(318.3)$(432.2)
Combined Net Gain (Loss) from Operations, After Tax
Traditional U.S. Life Insurance Subsidiaries$1,337.0 $1,351.5 $965.4 
Captive Reinsurer
$660.3 $(279.4)$(428.6)

December 31
20242023
(in millions of dollars)
Combined Capital and Surplus
Traditional U.S. Life Insurance Subsidiaries$3,909.7 $3,751.3 
Captive Reinsurer
$1,931.6 $1,534.9 

U.K. Solvency II, the system of prudential regulation applying in the U.K., prescribes capital requirements and risk management standards for the U.K. insurance industry. As derived from the most recent annual financial statements for December 31, 2023, based on U.K. Solvency II requirements, regulatory net income and eligible own funds available of our U.K. insurance subsidiary, Unum Limited, were £45.7 million and £767.1 million, respectively.

Risk-based capital (RBC) standards for U.S. life insurance companies are prescribed by the NAIC. The domiciliary states of our U.S. insurance subsidiaries have all adopted a version of the RBC model formula of the NAIC, which prescribes a system for assessing the adequacy of statutory capital and surplus for all life and health insurers. The basis of the system is a risk-based formula that applies prescribed factors to the various risk elements in a life and health insurer's business to report a minimum capital requirement proportional to the amount of risk assumed by the insurer. The life and health RBC formula is designed to measure annually (i) the risk of loss from asset defaults and asset value fluctuations, (ii) the risk of loss from adverse mortality and morbidity experience, (iii) the risk of loss from mismatching of asset and liability cash flow due to changing interest rates, and (iv) business risks. The formula is used as an early warning tool to identify companies that are potentially inadequately capitalized. State insurance laws grant insurance regulators the authority to require various actions by, or take various actions against, insurers whose total adjusted capital does not meet or exceed certain RBC levels. The total adjusted capital of each of our U.S. insurance subsidiaries at December 31, 2024 is in excess of those RBC levels.

Restrictions under applicable state insurance laws limit the amount of dividends that can be paid to a parent company from its insurance subsidiaries in any 12-month period without prior approval by regulatory authorities. For life insurance companies domiciled in the U.S., that limitation generally equals, depending on the state of domicile, either ten percent of an insurer's statutory surplus with respect to policyholders as of the preceding year end or the statutory net gain from operations, excluding net realized capital gains and losses, of the preceding year. The payment of dividends to a parent company from a life insurance subsidiary is generally further limited to the amount of unassigned funds.

Based on the restrictions under current law, approximately $1,383 million is available, without prior approval by regulatory authorities, during 2025 for the payment of dividends to Unum Group from its traditional U.S. life insurance subsidiaries. The ability of our captive insurer to pay dividends to Unum Group will depend on the satisfaction of applicable regulatory requirements and on the performance of the business reinsured by Fairwind.
227
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
Unum Group and Subsidiaries

Note 18 - Statutory Financial Information - Continued
We also have the ability to receive dividends from our foreign subsidiaries, primarily in the U.K., for which the payment may be subject to applicable insurance company regulations and capital guidance. Approximately £140 million is considered distributable from Unum Limited during 2025, subject to local solvency standards and regulatory approval.

Deposits

At December 31, 2024 and 2023, our U.S. life insurance subsidiaries had on deposit with U.S. regulatory authorities securities with a book value of $119.3 million and $119.1 million, respectively, held for the protection of policyholders.
228
ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None

ITEM 9A. CONTROLS AND PROCEDURES

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we have evaluated the effectiveness of our disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended, as of the end of the period covered by this report. We evaluated those controls based on the 2013 Internal Control - Integrated Framework from the Committee of Sponsoring Organizations of the Treadway Commission. Based on that evaluation, these officers concluded that our disclosure controls and procedures were effective as of December 31, 2024.

There have been no changes in our internal control over financial reporting, as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934, as amended, during the quarter ended December 31, 2024 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Management's Annual Report on Internal Control over Financial Reporting

The Company's management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934, as amended.  The Company's internal control over financial reporting encompasses the processes and procedures management has established to (i) maintain records that, in reasonable detail, accurately and fairly reflect the Company's transactions and dispositions of assets; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with U.S. generally accepted accounting principles; (iii) provide reasonable assurance that receipts and expenditures are appropriately authorized; and (iv) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the Company's assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. In addition, any projection of the evaluation of effectiveness to future periods is subject to the risks that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. 

We assessed the effectiveness of our internal control over financial reporting, based on criteria established in the 2013 Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission, and concluded that, as of December 31, 2024, we maintained effective internal control over financial reporting.

Attestation Report of the Company's Registered Public Accounting Firm

Ernst & Young LLP, the independent registered public accounting firm that audited our consolidated financial statements included herein, audited the effectiveness of our internal control over financial reporting, as of December 31, 2024, and issued the attestation report included as follows.

229
Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Unum Group

Opinion on Internal Control Over Financial Reporting

We have audited Unum Group and Subsidiaries’ internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Unum Group and Subsidiaries (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2024, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2024 and 2023, the related consolidated statements of income, comprehensive income, stockholders' equity and cash flows for each of the three years in the period ended December 31, 2024, and the related notes and financial statement schedules listed in the Index at Item 15(a)(2) and our report dated February 27, 2025 expressed an unqualified opinion thereon.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying “Management’s Annual Report on Internal Control over Financial Reporting”. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ Ernst & Young LLP

Chattanooga, Tennessee
February 27, 2025
230
ITEM 9B. OTHER INFORMATION

During the three months ended December 31, 2024, no director or officer of the Company adopted or terminated a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement.

ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS

Not Applicable
PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS, AND CORPORATE GOVERNANCE

The information required by this Item with respect to directors is included under the caption "Information About the Board of Directors" in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

The information required by this Item with respect to our executive officers is included under the caption "Information about our Executive Officers" contained herein in Item 1 and is incorporated herein by reference.

Our internet website address is www.unum.com. We have adopted corporate governance guidelines, a code of conduct applicable to all of our directors, officers and employees, and charters for the audit, human capital, governance, risk and finance and regulatory compliance committees of our board of directors in accordance with the requirements of the New York Stock Exchange (NYSE).

The information required by this Item with respect to a code of ethics for our chief executive officer and certain senior financial officers is included under the caption "Board and Committee Governance", sub-caption "Codes of Conduct and Ethics", in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

The information required by this Item with respect to the audit committee and audit committee financial experts is included under the caption "Board and Committee Governance", sub-caption "Committees of the Board", in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference. In addition, information relating to the procedures by which our shareholders may recommend nominees to our board of directors is included under the caption "Corporate Governance", sub-caption "Process for Selecting and Nominating Directors", in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

We have adopted an Insider Trading Policy governing the purchase, sale, and/or other dispositions of our securities by directors, officers and employees and open market purchases by the Company, which we believe is reasonably designed to promote compliance with insider trading laws, rules, and regulations and any applicable listing standards. A copy of our Insider Trading Policy is filed with this report as Exhibit 19.

ITEM 11. EXECUTIVE COMPENSATION

The information required by this Item with respect to executive compensation and compensation committee matters is included under the caption "Director Compensation", under the caption "Board and Committee Governance", sub-caption "Compensation Committee Interlocks and Insider Participation" and sub-captions "The Board's Role in Risk Oversight" and "Compensation Risk", and under the captions "Compensation Discussion and Analysis", "Compensation Committee Report", "Compensation Tables", "Post-Employment Compensation", "CEO Pay Ratio", and "Pay Versus Performance" in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

231
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information required by this Item with respect to security ownership of certain beneficial owners and management is included under the captions "Ownership of Company Securities", including sub-caption "Security Ownership of Certain Shareholders", in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

The information required by this Item with respect to equity compensation plan information is included under the caption "Equity Compensation Plan Information" in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE

The information required by this Item with respect to director independence and transactions with related persons is included under the caption "Corporate Governance", sub-caption "Director Independence", and under the caption "Board and Committee Governance", sub-caption "Related Party Transactions and Policy", in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by this Item with respect to fees paid to Ernst & Young LLP in 2024 and 2023 and our audit committee's pre-approval policies and procedures are included under the caption "Items to Be Voted On", sub-captions "Independent Auditor Fees" and "Policy for Pre-Approval of Audit and Non-Audit Services", in our definitive proxy statement for the 2025 Annual Meeting of Shareholders and is incorporated herein by reference.
232
PART IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)List of Documents filed as part of this report:   Page
(1)Financial Statements
The following report and consolidated financial statements of Unum Group and Subsidiaries are included in Item 8.
(2)Financial Statement Schedules
I.
II.
III.
IV.
V.
Schedules not referred to have been omitted as inapplicable or because they are not required by Regulation S-X.
(3)Exhibits

233
SCHEDULE I--SUMMARY OF INVESTMENTS -
OTHER THAN INVESTMENTS IN RELATED PARTIES
as of December 31, 2024
Unum Group and Subsidiaries
Type of Investment
Cost or Amortized Cost (1)
Fair ValueAmount shown on the balance sheet
(in millions of dollars)
Fixed Maturity Securities:
   Bonds
      United States Government and Government Agencies and Authorities$544.6 $530.5 $530.5 
      States, Municipalities, and Political Subdivisions3,795.6 3,291.4 3,291.4 
      Foreign Governments912.1 768.1 768.1 
      Public Utilities5,525.0 5,292.9 5,292.9 
      Mortgage/Asset-Backed Securities(2)
949.4 917.2 917.2 
      All Other Corporate Bonds26,535.2 24,822.2 24,822.2 
   Redeemable Preferred Stocks8.0 7.6 7.6 
              Total Fixed Maturity Securities38,269.9 $35,629.9 35,629.9 
Mortgage Loans2,240.6 2,224.5 
Policy Loans3,617.2 3,617.2 
Other Long-term Investments
      Derivatives(3)
— 90.9 
      Perpetual Preferred and Equity Securities(4)
20.5 24.5 
Private Equity Partnerships(4)
1,215.7 1,450.6 
      Miscellaneous Long-term Investments128.4 128.4 
Short-term Investments2,540.3 2,540.3 
Total Investments$48,032.6 $45,706.3 

(1)The amortized cost for fixed maturity securities and mortgage loans represents original cost reduced by repayments, write-downs from declines in fair value, amortization of premiums, and/or accretion of discounts. The amortized cost for these investments does not include allowance for credit losses.

(2)Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.

(3)Derivatives are carried at fair value.

(4)The difference between amortized cost and carrying value for private equity partnerships and perpetual preferred and equity securities primarily results from changes in the partnership owner's equity and the security's market valuation since acquisition, respectively.
234
SCHEDULE II--CONDENSED FINANCIAL INFORMATION OF REGISTRANT

Unum Group (Parent Company)

BALANCE SHEETS
December 31
20242023
(in millions of dollars)
Assets
Fixed Maturity Securities - at fair value (amortized cost: $545.0; $656.2)
$497.4 $596.1 
Other Long-term Investments32.7 27.0 
Short-term Investments1,397.5 970.9 
Investment in Subsidiaries12,982.0 11,663.6 
Deferred Income Tax122.5 118.1 
Other Assets620.0 593.6 
Total Assets$15,652.1 $13,969.3 
Liabilities and Stockholders' Equity
Liabilities
Short-term Debt
$274.6 $— 
Long-term Debt3,465.2 3,430.4 
Pension and Postretirement Benefits341.9 350.2 
Other Liabilities609.3 537.3 
Total Liabilities4,691.0 4,317.9 
Stockholders' Equity
Common Stock, $0.10 par
Authorized: 725,000,000 shares
Issued: 195,460,723 and 194,588,625 shares
19.5 19.4 
Additional Paid-in Capital1,489.6 1,547.8 
Accumulated Other Comprehensive Loss
(2,523.7)(3,308.0)
Retained Earnings12,914.0 11,431.5 
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares
(938.3)(39.3)
Total Stockholders' Equity10,961.1 9,651.4 
Total Liabilities and Stockholders' Equity$15,652.1 $13,969.3 


235
SCHEDULE II--CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

Unum Group (Parent Company)

STATEMENTS OF INCOME
Year Ended December 31
202420232022
(in millions of dollars)
Cash Dividends from Subsidiaries$1,378.7 $1,581.1 $1,306.6 
Non-Cash Dividends from Subsidiaries33.0 — 23.0 
Other Income100.5 90.3 81.8 
Total Revenue1,512.2 1,671.4 1,411.4 
Interest and Debt Expense201.1 194.8 188.5 
Cost Related to Early Retirement of Debt— — 4.2 
Other Expenses70.8 54.2 35.6 
Total Expenses271.9 249.0 228.3 
Income of Parent Company Before Income Tax1,240.3 1,422.4 1,183.1 
Income Tax Expense (Benefit)(33.7)(9.5)14.7 
Income of Parent Company1,274.0 1,431.9 1,168.4 
Equity in Undistributed Earnings (Loss) of Subsidiaries505.1 (148.1)238.8 
Net Income1,779.1 1,283.8 1,407.2 
Other Comprehensive Income, Net of Tax
784.3 140.3 1,716.3 
Comprehensive Income
$2,563.4 $1,424.1 $3,123.5 


236
SCHEDULE II--CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

Unum Group (Parent Company)

STATEMENTS OF CASH FLOWS
Year Ended December 31
202420232022
(in millions of dollars)
Cash Provided by Operating Activities$1,358.2 $1,548.0 $1,250.2 
Cash Flows from Investing Activities
Proceeds from Sales and Maturities of Fixed Maturity Securities378.0 97.1 192.1 
Proceeds from Sales and Maturities of Other Investments25.1 23.9 7.4 
Purchase of Fixed Maturity Securities(3.0)(44.5)(102.7)
Purchase of Other Investments(16.1)(23.4)(32.0)
Net Purchases of Short-term Investments
(375.4)(104.4)(209.6)
Cash Distributions to Subsidiaries(40.2)(854.5)(540.2)
Net Purchases of Property and Equipment(91.1)(113.1)(94.0)
Cash Used by Investing Activities(122.7)(1,018.9)(779.0)
Cash Flows from Financing Activities
Short-term Debt Repayment— (2.0)— 
Issuance of Long-term Debt391.6 — 349.2 
Long-term Debt Repayment(350.0)— (364.0)
Cost Related to Early Retirement of Debt— — (3.6)
Issuance of Common Stock6.0 5.2 4.0 
Repurchase of Common Stock(972.9)(250.1)(200.1)
Dividends Paid to Stockholders(296.5)(277.1)(254.2)
Other, Net(9.9)— 0.7 
Cash Used by Financing Activities(1,231.7)(524.0)(468.0)
Increase in Cash$3.8 $5.1 $3.2 


237
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION

Unum Group and Subsidiaries
SegmentDeferred Acquisition Costs
Future Policy Benefits
Policyholders' Account BalancesUnearned Premiums
(in millions of dollars)
December 31, 2024
Unum US$1,260.6 $8,669.7 $675.7 $51.7 
Unum International53.0 2,163.0 — 165.5 
Colonial Life1,529.2 1,904.2 862.5 45.4 
Closed Block— 24,069.5 4,095.5 121.4 
   Total$2,842.8 $36,806.4 $5,633.7 $384.0 
December 31, 2023
Unum US$1,232.2 $9,419.1 $678.1 $54.6 
Unum International46.9 2,305.3 — 151.4 
Colonial Life1,435.4 1,997.8 869.8 44.5 
Closed Block— 26,287.2 4,119.8 129.7 
   Total$2,714.5 $40,009.4 $5,667.7 $380.2 

238
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION (Continued)

Unum Group and Subsidiaries
SegmentPremium Income
Net Investment Income1
Policy Benefits Including Remeasurement Loss or Gain2
Amortization of Deferred Acquisition Costs
All Other Expenses3
Premiums Written4
(in millions of dollars)
December 31, 2024
Unum US$6,883.2 $632.2 $3,864.7 $292.5 $2,011.3 $4,834.0 
Unum International949.5 128.8 656.7 9.5 263.4 581.6 
Colonial Life1,783.9 161.5 804.7 219.0 413.0 1,247.4 
Closed Block880.8 1,148.9 1,591.8 — 243.0 868.1 
Corporate— 58.6 — — 266.4 — 
   Total$10,497.4 $2,130.0 $6,917.9 $521.0 $3,197.1 
December 31, 2023
Unum US$6,579.2 $639.9 $3,808.5 $267.6 $1,879.2 $4,634.3 
Unum International825.2 137.2 579.8 8.4 235.6 544.4 
Colonial Life1,726.1 153.5 798.1 205.4 396.5 1,221.8 
Closed Block915.5 1,066.3 2,070.7 — 246.5 904.2 
Corporate— 99.8 — — 249.5 — 
   Total$10,046.0 $2,096.7 $7,257.1 $481.4 $3,007.3 
December 31, 2022
Unum US$6,251.4 $676.3 $3,970.9 $240.9 $1,768.8 $4,335.7 
Unum International718.8 170.1 549.6 8.2 190.4 504.1 
Colonial Life1,702.0 152.7 826.1 172.0 389.6 1,221.8 
Closed Block944.3 1,070.6 1,648.0 — 248.0 936.8 
Corporate— 52.5 — — 221.6 — 
   Total$9,616.5 $2,122.2 $6,994.6 $421.1 $2,818.4 

1 Net investment income is allocated based upon segmentation. Each segment has its own specifically identified assets and receives the investment income generated by those assets.

2 Included in policy benefits including remeasurement loss or gain were the following:

•In 2024, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US, Colonial Life and Closed Block segments of $143.6 million, $46.0 million, $175.3 million, respectively and a net increase in policy benefits including remeasurement gain or loss in the Unum International segment of $7.5 million.
•In 2023, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US and Colonial Life segments of $128.8 million and $80.7 million respectively and a net increase in policy benefits including remeasurement gain or loss in the Unum International and Closed Block segments of $17.9 million, and $368.8 million, respectively.
•In 2022, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US, Unum International, Colonial Life, and Closed Block segments of $170.8 million, $7.6 million, and $55.2 million, and $9.7 million respectively.
•In 2024, 2023, and 2022 the impact of non-contemporaneous reinsurance of $25.1 million, $34.8 million, and $34.4 million respectively, in the Closed Block segment.

239
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION (Continued)

Unum Group and Subsidiaries

3 Includes commissions, interest and debt expense, deferral of acquisition costs, compensation expense, and other expenses. Where not directly attributable to a segment, expenses are generally allocated based on activity levels, time information, and usage statistics. Also included in all other expenses were the following:
•In 2024, 2023 and 2022 the amortization of the cost of reinsurance of $41.4 million, $44.1 million, and $50.3 million respectively, in the Closed Block segment.
•In 2024, we incurred a loss on legal settlement of $15.3 million for the settlement of an employment-related matter, in the Corporate segment.

4 Excludes life insurance.
240
SCHEDULE IV--REINSURANCE

Unum Group and Subsidiaries
Gross AmountCeded to Other CompaniesAssumed from Other CompaniesNet AmountPercentage Amount Assumed to Net
(in millions of dollars)
Year Ended December 31, 2024
Life Insurance in Force$1,162,098.7 $24,373.3 $1,009.8 $1,138,735.2 0.1 %
Premium Income:
   Life Insurance$3,011.1 $159.0 $5.1 $2,857.2 0.2 %
   Accident, Health, and Other Insurance7,721.0 145.5 64.7 7,640.2 0.8 %
      Total$10,732.1 $304.5 $69.8 $10,497.4 0.7 %
Year Ended December 31, 2023
Life Insurance in Force$1,079,042.5 $21,210.7 $921.6 $1,058,753.4 0.1 %
Premium Income:
   Life Insurance
$2,799.0 $157.5 $6.0 $2,647.5 0.2 %
   Accident, Health, and Other Insurance7,487.8 163.7 74.4 7,398.5 1.0 %
      Total$10,286.8 $321.2 $80.4 $10,046.0 0.8 %
Year Ended December 31, 2022
Life Insurance in Force$1,057,312.2 $35,773.9 $931.9 $1,022,470.2 0.1 %
Premium Income:
   Life Insurance$2,704.3 $155.1 $6.5 $2,555.7 0.3 %
   Accident, Health, and Other Insurance7,189.3 200.7 72.2 7,060.8 1.0 %
      Total$9,893.6 $355.8 $78.7 $9,616.5 0.8 %


241
SCHEDULE V--VALUATION AND QUALIFYING ACCOUNTS

Unum Group and Subsidiaries
Description
Balance at Beginning of Year
Additions Charged to Costs and Expenses
Deductions1
Balance at End of Year
(in millions of dollars)
Year Ended December 31, 2024
Allowance for expected credit losses (deducted from accounts and premiums receivable)$29.5 $8.0 $10.7 $26.8 
Allowance for expected credit losses (deducted from reinsurance recoverable)$1.7 $0.3 $0.5 $1.5 
Year Ended December 31, 2023
Allowance for expected credit losses (deducted from accounts and premiums receivable)$32.5 $11.3 $14.3 $29.5 
Allowance for expected credit losses (deducted from reinsurance recoverable)$1.7 $0.1 $0.1 $1.7 
Year Ended December 31, 2022
Allowance for expected credit losses (deducted from accounts and premiums receivable)$34.2 $10.8 $12.5 $32.5 
Allowance for expected credit losses (deducted from reinsurance recoverable)$2.3 $— $0.6 $1.7 

1 Deductions include amounts deemed to reduce exposure of expected losses on premium and accounts receivables and reinsurance recoverable, amounts deemed uncollectible, and amounts related to fluctuations in the foreign currency exchange rate.

Certain items not reported above include the allowance for expected credit losses on mortgage loans, the allowance for credit losses on fixed maturity securities, and the deferred tax asset valuation allowance. See Notes 3 and 9 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for a discussion of these items.

242
INDEX TO EXHIBITS

With regard to applicable cross-references in this report, our current, quarterly and annual reports dated on or after May 1, 2003 are filed with the Securities and Exchange Commission under File No. 1-11294 and such reports dated prior to May 1, 2003 are filed with the Securities and Exchange Commission under File No. 1-11834, except as otherwise noted below. Our registration statements have the file numbers noted wherever such statements are identified below.
(2.1)
(2.2)
(2.3)
(2.4)
(3.1)
(3.2)
(4.1)
(4.2)
(4.3)
(4.4)
(4.5)
(4.6)
(4.7)
(4.8)
(4.9)
(4.10)
(4.11)
(4.12)
243
(4.13)
Certain instruments defining the rights of holders of long-term debt securities of our company and our subsidiaries are omitted pursuant to Item 601(b)(4)(iii) of Regulation S-K. We hereby undertake to furnish to the Securities and Exchange Commission, upon request, copies of any such instruments.
(10.1)
(10.2)
(10.3)
(10.4)
(10.5)
(10.6)
(10.7)
(10.8)
(10.9)
(10.10)    
(10.11)
(10.12)
(10.13)
(10.14)
(10.15)
(10.16)
(10.17)
(10.18)
(10.19)
244
(10.20)
(10.21)
(10.22)
(10.23)
(10.24)
(10.25)
(10.26)
(10.27)
(10.28)
(10.29)
(10.30)
(10.31)
(10.32)
(10.33)
(10.34)
(10.35)
(10.36)
(10.37)
(10.38)
(10.39)
245
(10.40)
(10.41)
(10.42)
(10.43)
(10.44)
(10.45)
(10.46)
(19)
(21)
(23)
(24)
(31.1)
(31.2)
(32.1)
(32.2)    
(97)
(101)    
The following financial statements from Unum Group's Annual Report on Form 10-K for the year ended December 31, 2024, filed on February 27, 2025, formatted in XBRL: (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income, (iii) Consolidated Statements of Comprehensive Income (Loss), (iv) Consolidated Statements of Stockholders' Equity, (v) Consolidated Statements of Cash Flows, (vi) the Notes to Consolidated Financial Statements, (vii) Financial Statement Schedules.
(104)    
Cover Page Interactive Data File (embedded within the Inline XBRL document).
___________
*    
Management contract or compensatory plan required to be filed as an exhibit to this form pursuant to Item 15(c) of Form 10-K.
**    
Certain confidential information contained in this exhibit has been omitted because it (i) is not material and (ii) would likely cause competitive harm to Unum Group or its subsidiaries if it were to be publicly disclosed.

246
SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
Unum Group
(Registrant)
By:/s/ Richard P. McKenney
Richard P. McKenney
President and Chief Executive Officer
Date:February 27, 2025

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
NameTitleDate
/s/ Richard P. McKenneyPresident and Chief Executive OfficerFebruary 27, 2025
Richard P. McKenneyand a Director (principal executive officer)
/s/ Steven A. ZabelExecutive Vice President, Chief Financial OfficerFebruary 27, 2025
Steven A. Zabel(principal financial officer)
/s/ Walter L. Rice, Jr.Senior Vice President, Chief Accounting OfficerFebruary 27, 2025
Walter L. Rice, Jr.(principal accounting officer)
247
NameTitleDate
*DirectorFebruary 27, 2025
Theodore H. Bunting, Jr.
*DirectorFebruary 27, 2025
Susan L. Cross
*DirectorFebruary 27, 2025
Susan D. DeVore
*DirectorFebruary 27, 2025
Joseph J. Echevarria
*DirectorFebruary 27, 2025
Cynthia L. Egan
*DirectorFebruary 27, 2025
Kevin T. Kabat
*DirectorFebruary 27, 2025
Timothy F. Keaney
*DirectorFebruary 27, 2025
Gale V. King
*DirectorFebruary 27, 2025
Gloria C. Larson
*DirectorFebruary 27, 2025
Mojgan M. Lefebvre
*DirectorFebruary 27, 2025
Ronald P. O'Hanley
* By: /s/ J. Paul JullienneFebruary 27, 2025
J. Paul Jullienne
Attorney-in-Fact

248
 EX-4.13 2 unm123124ex413.htm EX-4.13 Document
Exhibit 4.13
DESCRIPTION OF REGISTRANT’S SECURITIES REGISTERED PURSUANT TO
SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934
As of the date of this Annual Report on Form 10-K of which this exhibit is a part, we have two classes of securities registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): (1) our common stock, par value $0.10 per share, and (2) our 6.250% junior subordinated notes due 2058.
Except as otherwise indicated or the context otherwise requires, as used in this exhibit, the terms “Company,” “we,” “us” and “our” mean Unum Group and do not include its subsidiaries.

DESCRIPTION OF COMMON STOCK
The following is a brief description of our common stock. The following description may not be complete and is subject to, and qualified in its entirety by reference to, the terms and provisions of our amended and restated certificate of incorporation and our amended and restated bylaws, which are exhibits to this Annual Report on Form 10-K.
General
Under our amended and restated certificate of incorporation, we are authorized to issue a total of 725,000,000 shares of common stock having a par value of $.10 per share. All outstanding shares of common stock are fully paid and nonassessable. The common stock is listed on the New York Stock Exchange and trades under the symbol “UNM.”
Holders of common stock do not have any conversion, redemption, preemptive or cumulative voting rights. In the event of our dissolution, liquidation or winding-up, common stockholders will share ratably in any assets remaining after all creditors are paid in full, including holders of our debt securities, and after the liquidation preference of holders of preferred stock has been satisfied.
Dividends
Holders of common stock are entitled to participate equally in dividends when the board of directors declares dividends on shares of common stock out of funds legally available for dividends. The rights of holders of common stock to receive dividends are subject to the preferences of holders of preferred stock.
Voting Rights
Holders of common stock are entitled to one vote for each share held of record on all matters voted on by stockholders, including the election of directors.
Liquidation Rights
In the event of our liquidation, dissolution or winding-up, holders of common stock have the right to a ratable portion of assets remaining after satisfaction in full of the prior rights of our creditors, all liabilities, and the total liquidation preferences of any outstanding shares of preferred stock.
Certain Provisions That May Have an Anti-Takeover Effect
Our amended and restated certificate of incorporation and amended and restated bylaws, and certain portions of Delaware law, contain certain provisions that may have an anti-takeover effect.


Special Meetings of Stockholders. A special meeting of our stockholders may be called only by the chairman of the board of directors, the chief executive officer, the president, or the lead independent director or by the secretary at the direction of a majority of the board or upon the written request(s) of one or more stockholders of record who own in the aggregate not less than 25% of the total number of outstanding shares of capital stock entitled to vote on the item(s) of business to be brought before the proposed special meeting as of the date of the request(s).
Advance Notice Requirements for Nomination of Directors and Presentation of New Business at Meetings. Our amended and restated bylaws establish advance notice procedures for stockholder proposals concerning nominations for election to the board of directors and new business to be brought before meetings of stockholders. These procedures require that notice of such stockholder proposals must be timely given in writing to our corporate secretary prior to the meeting at which the action is to be taken. To be timely, we must receive the notice at our principal executive offices within certain dates prior to the anniversary date of the annual meeting of stockholders before the one in which the stockholder proposal is to be considered. The notice must contain information required by the amended and restated bylaws. These provisions make it procedurally more difficult for a stockholder to place a proposed nomination or new business proposal on the meeting agenda and therefore may reduce the likelihood that a stockholder will seek to take independent action to replace directors or with respect to other matters that are not supported by management.
Action of Stockholders Without a Meeting. Any action of our stockholders may be taken at a meeting only and may not be taken by written consent.
Delaware Anti-Takeover Law. Section 203 of the Delaware General Corporation Law generally prohibits a publicly held Delaware corporation, such as our company, from engaging in a business combination, such as mergers, sales and leases of assets, issuances of securities and similar transactions by a corporation or subsidiary with an interested stockholder including a person or group who beneficially owns 15% or more of the corporation’s voting stock for a period of three years following the date the person became an interested stockholder, unless (with certain exceptions) the business combination or the transaction in which the person became an interested stockholder is approved in a prescribed manner.
The provisions described above may discourage attempts by others to acquire control of us without negotiation with our board of directors. This enhances our board of directors’ ability to attempt to promote the interests of all of our stockholders. However, to the extent that these provisions make us a less attractive takeover candidate, they may not always be in our best interests or in the best interests of our stockholders. None of these provisions is the result of any specific effort by a third party to accumulate our securities or to obtain control of us by means of merger, tender offer, solicitation in opposition to management or otherwise.
Restriction on Ownership Under Insurance Laws
Most states, including the states in which our insurance company subsidiaries are domiciled, have laws and regulations that require regulatory approval of a change in control of an insurer or an insurer’s holding company. Where such laws and regulations apply to us and our insurance company subsidiaries, there can be no effective change in control unless the person seeking to acquire control has filed a statement with specified information with the insurance regulators and has obtained prior approval for the proposed change in control from such regulators. The usual measure for a presumptive change in control pursuant to these laws is the acquisition of 10% or more of the voting stock of an insurance company or its parent, although this presumption is rebuttable. Consequently, a person may not acquire 10% or more of our common stock without the prior approval of the insurance regulators in the states in which we and our insurance company subsidiaries are domiciled.
Transfer Agent and Registrar
The transfer agent and registrar for shares of the common stock is Computershare Investor Services.

2

DESCRIPTION OF THE 6.250% JUNIOR SUBORDINATED NOTES
The following is a brief description of the material terms of our 6.250% junior subordinated notes due 2058 (the “junior subordinated notes”) and the subordinated indenture described below. The following description may not be complete and is subject to, and qualified in its entirety by reference to, the terms and provisions of the subordinated indenture dated as of May 29, 2018 (the “subordinated indenture”), between us and The Bank of New York Mellon Trust Company, N.A., as trustee (the “trustee”), and the form of junior subordinated notes, which are exhibits to this Annual Report on Form 10-K.
General
We issued $300 million aggregate principal amount of junior subordinated notes under the subordinated indenture. The junior subordinated notes were issued only in denominations of $25 and integral multiples of $25 in excess thereof.
We listed the junior subordinated notes on the New York Stock Exchange.
The junior subordinated notes will mature on June 15, 2058 (the “maturity date”). The trustee will act as paying agent for the junior subordinated notes.
We may, without the consent of the holders, reopen the series of junior subordinated notes and issue additional junior subordinated notes under the subordinated indenture with the same terms (other than the issue date, the public offering price and, if applicable, the initial interest payment date and initial interest accrual date) and with the same CUSIP number as the junior subordinated notes offered hereby in an unlimited aggregate principal amount, provided that no additional junior subordinated notes may be issued unless they will be fungible with the junior subordinated notes for U.S. federal income tax and securities law purposes.
“business day” means, with respect to the junior subordinated notes, any day other than (i) a Saturday or Sunday, or (ii) a day that in the Borough of Manhattan, The City of New York is either a legal holiday or a day on which the federal or state banking institutions located therein are authorized or obligated by law, executive order or regulation to close.
The junior subordinated notes are not entitled to any sinking fund.
The junior subordinated notes and the subordinated indenture are governed by the laws of the State of New York.
Interest Rate and Interest Rate Payment Dates
The junior subordinated notes bear interest at the annual rate of 6.250%, and we pay accrued interest quarterly in arrears on March 15, June 15, September 15 and December 15 of each year, subject to our rights and obligations under “—Option to Defer Interest Payments”. We refer to these dates as “interest payment dates” and we refer to the period from and including May 29, 2018 to but excluding the first interest payment date and each successive period from and including an interest payment date to but excluding the next interest payment date as an “interest period”.
Interest payments will be made to the persons or entities in whose names the junior subordinated notes are registered at the close of business on March 1, June 1, September 1 or December 1 (whether or not a business day), as the case may be, immediately preceding the relevant interest payment date. The amount of interest payable for any interest period will be computed on the basis of a 360-day year consisting of twelve 30-day months. In the event that any interest payment date falls on a day that is not a business day, the interest payment due on that date will be postponed to the next day that is a business day, and no additional interest will accrue as a result of that postponement.
Subordination
The junior subordinated notes are unsecured, subordinated and junior in right of payment to all of Unum Group’s existing and future senior debt and will rank pari passu with all of Unum Group’s 7.405% Junior Subordinated Deferrable Interest
3

Debentures, Series A. In addition, the junior subordinated notes are structurally subordinated to any indebtedness of our subsidiaries. As of December 31, 2024, the aggregate amount of indebtedness of our subsidiaries (excluding intercompany liabilities) was approximately $189.7 million.
Upon any distribution to our creditors in a liquidation, dissolution, bankruptcy, insolvency or reorganization, the payment of the principal of, premium, if any, and interest on the junior subordinated notes will be subordinated to the extent provided in the subordinated indenture in right of payment to the prior payment in full of all of Unum Group’s senior debt, but our obligation to make payment of the principal of and interest on the junior subordinated notes will not otherwise be affected. No payment of principal, premium, if any, or interest may be made on the junior subordinated notes at any time in the event there shall have occurred and be continuing a default in any payment with respect to senior debt, or an event of default with respect to any senior debt resulting in the acceleration of the maturity thereof, or if any judicial proceeding shall be pending with respect to any such default and we receive notice of the default.
We may resume payments on the junior subordinated notes when the default is cured or waived if the subordination provisions of the subordinated indenture otherwise permit payment at that time. After all senior debt is paid in full and until the junior subordinated notes are paid in full, holders of the junior subordinated notes will be subrogated to the rights of holders of senior debt to the extent that distributions otherwise payable to holders of junior subordinated notes have been applied to the payment of senior debt. By reason of such subordination, in the event of a distribution of assets upon insolvency, certain of Unum Group’s general creditors may recover more, ratably, than holders of the junior subordinated notes.
Senior debt is defined as the principal, premium, if any, unpaid interest (including interest accruing on or after the filing of any petition in bankruptcy or for reorganization relating to Unum Group whether or not a claim for post-filing interest is allowed in such proceeding), fees, charges, expenses, reimbursement and indemnification obligations, and all other amounts payable under or in respect of the following, whether any such indebtedness exists as of the date of the subordinated indenture or is created, incurred, assumed or guaranteed after such date:
(1)any debt:
•for money we borrowed, or
•evidenced by a bond, note, debenture, or similar instrument (including purchase money obligations) given in connection with the acquisition of any business, property or assets, whether by purchase, merger, consolidation or otherwise, but shall not include any account payable or other obligation created or assumed in the ordinary course of business in connection with the obtaining of materials or services, or
•which is a direct or indirect obligation which arises as a result of banker’s acceptances or bank letters of credit issued to secure our obligations, or to secure the payment of revenue bonds issued for our benefit, whether contingent or otherwise;
(2)any debt of others described in (1) which we have guaranteed or for which we are otherwise liable;
(3)our obligation as lessee under any lease of property which is reflected on our balance sheet as a capitalized lease; and
(4)any deferral, amendment, renewal, extension, supplement or refunding of any liability of the kind described in any of (1), (2), and (3);
except that in computing our indebtedness, the following are not included in such computation:
•any particular indebtedness if, upon or prior to the maturity thereof, there shall have been deposited with a depository in trust money (or evidence of indebtedness if permitted by the instrument creating such indebtedness) in the necessary amount to pay, redeem or satisfy such indebtedness as it becomes due, and the amount so deposited shall not be included in any computation of our assets;
4

•any indebtedness, obligation or liability referred to in (1) through (4) above as to which, in the instrument creating or evidencing the same or pursuant to which the same is outstanding, it is provided that such indebtedness, obligation or liability is not superior in right of payment to the junior subordinated notes, or ranks pari passu with the junior subordinated notes;
•any indebtedness, obligation or liability which is subordinated to Unum Group’s indebtedness to substantially the same extent as or to a greater extent than the junior subordinated notes are subordinated;
•any indebtedness to one of our subsidiaries;
•our 7.405% Junior Subordinated Deferrable Interest Debentures, Series A; and
•the junior subordinated notes.
Optional Redemption
The junior subordinated notes are redeemable at our election on or after June 15, 2023 or within 90 days after the occurrence of certain events prior to June 15, 2023, in each case at the applicable redemption price set forth below and are not subject to any sinking fund or similar provisions.
We may redeem the junior subordinated notes:
•in whole at any time or in part from time to time on or after June 15, 2023 at a redemption price per $25 principal amount of such junior subordinated notes equal to 100% of their principal amount plus accrued and unpaid interest to but excluding the date of redemption; provided that if the junior subordinated notes are not redeemed in whole, at least $25 million aggregate principal amount of the junior subordinated notes, excluding any junior subordinated notes held by Unum Group or any of our affiliates, must remain outstanding after giving effect to such redemption;
•in whole, but not in part, at any time prior to June 15, 2023, within 90 days after the occurrence of a “tax event”, a “regulatory capital event” or a “rating agency event” at a redemption price per $25 principal amount of such junior subordinated notes equal to (i) in the case of a “tax event” or a “regulatory capital event”, 100% of their principal amount or (ii) in the case of a “rating agency event”, 102% of their principal amount, in each case plus accrued and unpaid interest to but excluding the date of redemption.
In either case, such amounts will be calculated by us.
“Tax event” means the receipt by Unum Group of an opinion of independent counsel experienced in such matters to the effect that, as a result of any:
•amendment to or change (including any officially announced proposed change) in the laws or regulations of the United States or any political subdivision or taxing authority of or in the United States that is enacted or effective on or after the initial issuance of the junior subordinated notes;
•official administrative decision or judicial decision or administrative action or other official pronouncement (including a private letter ruling, technical advice memorandum or other similar pronouncement) by any court, government agency or regulatory authority that reflects an amendment to, or change in, the interpretation or application of those laws or regulations that is announced on or after the initial issuance of the junior subordinated notes; or
•threatened challenge asserted in connection with an audit of Unum Group, or a threatened challenge asserted in writing against any taxpayer that has raised capital through the issuance of securities that are substantially similar
5

to the junior subordinated notes, which challenge is asserted against Unum Group or becomes publicly known on or after the initial issuance of the junior subordinated notes;
there is more than an insubstantial increase in the risk that interest payable by Unum Group on the junior subordinated notes is not, or within 90 days of the date of such opinion will not be, deductible by Unum Group, in whole or in part, for U.S. federal income tax purposes; provided that a change of tax law under section 163(j) of the Internal Revenue Code of 1986, as amended (“section 163(j)”) (including any amendment to section 163(j), and any amendment to or the issuance of regulations or another official administrative pronouncement under section 163(j)), shall not give rise to a “tax event” unless, in the opinion of independent counsel experienced in such matters, the change of tax law under section 163(j) limits, defers or prohibits the deduction of interest on the junior subordinated notes in a manner or to an extent different from interest on senior debt obligations of ours by reason of the specific characteristics of the junior subordinated.
“Rating agency event” means that any nationally recognized statistical rating organization within the meaning of Section 3(a)(62) under the Securities Exchange Act of 1934, as amended, that then publishes a rating for Unum Group (a “rating agency”) amends, clarifies or changes the criteria it uses to assign equity credit to securities such as the junior subordinated notes, which amendment, clarification or change results in:
•the shortening of the length of time the junior subordinated notes are assigned a particular level of equity credit by that rating agency as compared to the length of time they would have been assigned that level of equity credit by that rating agency or its predecessor on the initial issuance of the junior subordinated notes; or
•the lowering of the equity credit (including up to a lesser amount) assigned to the junior subordinated notes by that rating agency as compared to the equity credit assigned by that rating agency or its predecessor on the initial issuance of the junior subordinated notes.
“Regulatory capital event” means that we become subject to capital adequacy supervision by a capital regulator and the capital adequacy guidelines that apply to us as a result of being so subject set forth criteria pursuant to which the full principal amount of the junior subordinated notes would not qualify as capital under such capital adequacy guidelines, as we may determine at any time, in our sole discretion.
Notice of any redemption will be mailed at least 30 but not more than 60 days before the redemption date to each holder of record of the junior subordinated notes to be redeemed at its registered address. The notice of redemption for the junior subordinated notes will state, among other things, the amount of the junior subordinated notes to be redeemed, the redemption date, the manner of calculation of the redemption price and the place or places that payment will be made upon presentation and surrender of the junior subordinated notes to be redeemed. If less than all of the junior subordinated notes are to be redeemed at our option, the trustee will select, in a manner it deems fair and appropriate, the junior subordinated notes, or portions of the junior subordinated notes, to be redeemed, or if the junior subordinated notes are in global form, in accordance with the procedures of DTC. Unless we default in the payment of the redemption price, interest will cease to accrue on any junior subordinated notes that have been called for redemption at the redemption date.
We may not redeem the junior subordinated notes in part unless all accrued and unpaid interest, including deferred interest, has been paid in full on all outstanding junior subordinated notes for all interest periods terminating on or before the redemption date.
Neither we nor the trustee will be required (i) to issue, register the transfer of or exchange any junior subordinated notes during a period beginning at the opening of business 15 days before the day of the delivery of a notice to holders of redemption of the junior subordinated notes selected for redemption and ending at the close of business on the day of such mailing, or (ii) to register the transfer of or exchange any junior subordinated notes so selected for redemption in whole or in part, except the unredeemed portion of any such junior subordinated notes being redeemed in part.
6

Option to Defer Interest Payments
So long as no event of default with respect to the junior subordinated notes has occurred and is continuing, we may elect at one or more times to defer payment of interest on the junior subordinated notes for one or more consecutive interest periods that do not exceed five years. We may not defer interest beyond the maturity date, any earlier accelerated maturity date arising from an event of default (which, under the subordinated indenture, is limited to certain events of bankruptcy, insolvency or receivership involving Unum Group) or any other earlier redemption of the junior subordinated notes.
During a deferral period, interest will continue to accrue on the junior subordinated notes, and deferred interest on the junior subordinated notes will bear additional interest at the interest rate, compounded on each interest payment date, subject to applicable law. As used herein, a “deferral period” refers to the period beginning on an interest payment date with respect to which we defer interest and ending on the earlier of (i) the fifth anniversary of that interest payment date and (ii) the next interest payment date on which we have paid all deferred and unpaid amounts (including compounded interest on such deferred amounts) and all other accrued interest on the junior subordinated notes. When we use the term “interest” in this summary, we are referring not only to regularly scheduled interest payments but also to interest on interest payments not paid on the applicable interest payment date.
At the end of five years following the commencement of a deferral period, we must pay all accrued and unpaid deferred interest, including compounded interest. If we have paid all deferred interest (including compounded interest thereon) on the junior subordinated notes, we can again defer interest payments on the junior subordinated notes as described above.
We will give the holders of the junior subordinated notes and the trustee written notice of our election to commence or continue a deferral period at least five and not more than 60 business days before the next interest payment date.
We have no present intention to defer interest payments.
Dividend and Other Payment Stoppages During Deferral Periods and Under Certain Other Circumstances
We have agreed in the subordinated indenture that, so long as any junior subordinated notes remain outstanding, if we have given notice of our election to defer interest payments on the junior subordinated notes but the related deferral period has not yet commenced, or a deferral period is continuing; then we will not, nor will we permit our subsidiaries to:
•declare or pay any dividends or distributions on, or redeem, purchase, acquire or make a liquidation payment with respect to, any shares of our capital stock;
•make any payment of principal of, or interest or premium, if any, on, or repay, purchase or redeem any of our debt securities that rank upon our liquidation on a parity with or junior to the junior subordinated notes; or
•make any guarantee payments regarding any guarantee issued by Unum Group of securities of any of our subsidiaries if the guarantee ranks upon our liquidation on a parity with or junior to the junior subordinated notes.
The restrictions listed above do not apply to:
•any purchase, redemption or other acquisition of shares of our capital stock in connection with:
◦any employment contract, benefit plan or other similar arrangement with or for the benefit of any one or more employees, officers, directors, consultants or independent contractors;
◦the satisfaction of our obligations pursuant to any contract entered into prior to the beginning of the applicable deferral period;
◦a dividend reinvestment or shareholder purchase plan; or
7

◦the issuance of our capital stock, or securities convertible into or exercisable for such capital stock, as consideration in an acquisition transaction, the definitive agreement for which is entered into prior to the applicable deferral period;
•any exchange, redemption or conversion of any class or series of our capital stock, or the capital stock of one of our subsidiaries, for any other class or series of our capital stock, or of any class or series of our indebtedness for any class or series of our capital stock;
•any purchase of fractional interests in shares of our capital stock pursuant to the conversion or exchange provisions of such capital stock or the securities being converted or exchanged;
•any declaration of a dividend in connection with any shareholder rights plan, or the issuance of rights, stock or other property under any shareholder rights plan, or the redemption or purchase of rights pursuant thereto;
•any dividend in the form of stock, warrants, options or other rights where the dividend stock or stock issuable upon exercise of such warrants, options or other rights is the same stock as that on which the dividend is being paid or ranks equally with or junior to such stock; or
•(i) any payment of current or deferred interest on parity securities that is made pro rata to the amounts due on such parity securities (including the junior subordinated notes) and (ii) any payment of principal or current or deferred interest on parity securities that, if not made, would cause Unum Group to breach the terms of the instrument governing such parity securities.
For the avoidance of doubt, no terms of the junior subordinated notes will restrict in any manner the ability of any of our subsidiaries to pay dividends or make any distributions to us or to any of our other subsidiaries.
Events of Default; Notice and Waiver
An “event of default” with respect to the junior subordinated notes shall occur only upon certain events of bankruptcy, insolvency or receivership involving Unum Group.
The subordinated indenture refers to breaches that are not “events of default” as “defaults”. They include, among other things:
•the failure to pay interest, including compounded interest, in full on any junior subordinated notes for a period of 30 days after the conclusion of a five-year period following the commencement of any deferral period if such deferral period has not ended prior to the conclusion of such five-year period;
•the failure to pay principal of or premium, if any, on the junior subordinated notes when due; or
•a failure to comply with our covenants under the subordinated indenture.
A “default” also includes, for example, a failure to pay interest within 30 days of the relevant interest payment date if we do not give a timely written notice of our election to commence or continue a deferral period. If we do not give a timely written notice of our election to commence or continue a deferral period and fail to pay interest within 30 days of the relevant interest payment date, any holder of junior subordinated notes may seek to enforce our obligation to make the missed interest payment, including through legal process. However, there is no right of acceleration except upon the occurrence of an event of default as described above.
If we do give a timely written notice of our election to commence or continue a deferral period on any interest payment date (and, if such notice continues a deferral period, the deferral period has not continued for five years), then no “default” arises from our non-payment of interest on such interest payment date.
8

The subordinated indenture provides that the trustee must give holders notice of all defaults or events of default within 90 days after it becomes actually known to a responsible officer of the trustee. However, except in the case of a default in payment on the junior subordinated notes, the trustee will be protected in withholding the notice if its responsible officers determine that withholding of the notice is in the interest of such holders.
If an event of default under the subordinated indenture occurs, the entire principal amount of the junior subordinated notes will automatically become due and payable without any declaration or other action on the part of the trustee or any holder of the junior subordinated notes. There is no right of acceleration in the case of any payment default or other breaches of covenants under the subordinated indenture or the junior subordinated notes.
Notwithstanding the foregoing, in the case of a default in the payment of principal of or interest on the junior subordinated notes including any compound interest (and, in the case of payment of deferred interest, such failure to pay shall have continued for 30 calendar days after the conclusion of the deferral period), the holder of a junior subordinated note may, or if directed by the holders of a majority in principal amount of the junior subordinated notes the trustee shall, subject to the conditions set forth in the subordinated indenture, demand payment of the amount then due and payable and may institute legal proceedings for the collection of such amount if we fail to make payment thereof upon demand.
The holders of a majority in aggregate principal amount of the outstanding junior subordinated notes may waive any past default, except:
•a default in payment of principal or interest; or
•a default under any provision of the subordinated indenture that itself cannot be modified or amended without the consent of the holders of all outstanding junior subordinated notes.
The holders of a majority in principal amount of the junior subordinated notes have the right to direct the time, method and place of conducting any proceeding for any remedy available to the trustee, subject to the provisions of the subordinated indenture.
The trustee shall have no right or obligation under the subordinated indenture or otherwise to exercise any remedies on behalf of any holders of the junior subordinated notes pursuant to the subordinated indenture in connection with any “default”, unless such remedies are available under the subordinated indenture and the trustee is directed to exercise such remedies by the holders of a majority in principal amount of the junior subordinated notes pursuant to and subject to the conditions of the subordinated indenture. In connection with any such exercise of remedies the trustee shall be entitled to the same immunities and protections and remedial rights (other than acceleration) as if such “default” were an “event of default”.
Actions Not Restricted by the Subordinated Indenture
The subordinated indenture does not contain restrictions on our ability to:
•incur, assume or become liable for any type of debt or other obligation;
•create liens on our property for any purpose; or
•pay dividends or make distributions on our capital stock or purchase or redeem our capital stock, except as set forth under “—Dividend and Other Payment Stoppages During Deferral Periods and Under Certain Other Circumstances” above, or make debt payments on, or purchase, redeem or retire, any senior debt.
The subordinated indenture does not require the maintenance of any financial ratios or specified levels of net worth or liquidity. In addition, the subordinated indenture does not contain any provisions that would require Unum Group to repurchase or redeem or modify the terms of any of the junior subordinated notes upon a change of control or other event involving Unum Group that may adversely affect the creditworthiness of the junior subordinated notes.
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Denominations, Transfer and Exchange
The junior subordinated notes are held in the form of one or more global securities registered in the name of Cede & Co., as nominee of DTC, as described below under “— Book-Entry Delivery and Settlement”. The junior subordinated notes were issued only in denominations of $25 and integral multiples of $25 in excess thereof.
Defeasance
The junior subordinated notes are subject to the defeasance and covenant defeasance provisions of the subordinated indenture.
Merger, Consolidation or Sale
We may consolidate with, or sell, lease or otherwise transfer all or substantially all of our assets to, or merge with or into, any other corporation or trust or entity, provided that:
•we are the survivor in the merger, or the survivor, if not us, expressly assumes by supplemental indenture the due and punctual payment of the principal of, and any premium, interest or additional amounts on, all of the outstanding junior subordinated notes and the due and punctual performance and observance of all of the covenants and conditions contained in the subordinated indenture;
•immediately after giving effect to the transaction and treating any indebtedness that becomes an obligation of ours or one of our subsidiaries as a result of the transaction, as having been incurred by us or the subsidiary at the time of the transaction, there is no event of default under the indenture applicable to the junior subordinated notes, and no event which, after notice or the lapse of time, or both, would become an event of default; and
•certain other conditions that are described in the subordinated indenture.
Upon any such consolidation, merger, or sale, the successor corporation formed, or into which we are merged or to which we are sold, shall succeed to, and be substituted for, us under the subordinated indenture.
This covenant would not apply to any recapitalization transaction, change of control of us or a transaction in which we incur a large amount of additional debt unless the transactions or change of control included a merger or consolidation or transfer of all or substantially all of our assets. There are no covenants or other provisions in the subordinated indenture providing for a put or increased interest or that would otherwise afford holders of the junior subordinated notes additional protection in the event of a recapitalization transaction, a change of control of us or a transaction in which we incur or acquire a large amount of additional debt.
Also, if we merge, consolidate or sell our assets substantially as an entirety and the successor is a non-U.S. entity, neither we nor any successor would have any obligation to compensate you for any resulting adverse tax consequences relating to the junior subordinated notes.
Modification of the Subordinated Indenture
Modification and amendment of the subordinated indenture may be made only with the consent of the holders of not less than a majority in principal amount of all outstanding debt securities issued under the indenture which are affected by the modification or amendment, voting together as one class. However, no modification or amendment may, without the consent of the holder of each debt security affected, including the junior subordinated notes, do any of the following:
•change the stated maturity of the principal of, or any premium, make-whole amount, installment of principal of, interest or additional amounts payable on, any debt security;
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•reduce the principal amount of, or the rate or amount of interest on, any premium, make-whole amount payable on redemption of or any additional amounts payable with respect to, any debt security;
•reduce the amount of principal of an original issue discount security, indexed security or any make-whole amount that would be due and payable upon declaration of acceleration of the maturity of an original issue discount security or indexed security, or would be provable in bankruptcy, or adversely affect any right of repayment of the holder of any debt security;
•change the place of payment or the currency or currencies of payment of the principal of, and any premium, make-whole amount, interest or additional amounts on, any debt security;
•impair the right to institute suit for the enforcement of any payment on or with respect to any debt security;
•reduce the percentage of the holders of outstanding debt securities of any series necessary to modify or amend the applicable indenture, to waive compliance with certain provisions thereof or certain defaults and consequences thereunder, or to reduce the quorum or voting requirements contained in the applicable indenture;
•make any change that adversely affects the right to convert or exchange any security or decrease the conversion or exchange rate or increase the conversion or exchange price of any security; or
•modify any of the foregoing provisions or any of the provisions relating to the waiver of certain past defaults or certain covenants, except to increase the required percentage to effect such action or to provide that certain other provisions may not be modified or waived without the consent of the holder of the debt security.
We and the trustee may modify or amend the subordinated indenture, without the consent of any holder of debt securities, for any of the following purposes:
•to evidence the succession of another person to us as obligor under the subordinated indenture;
•to add to the covenants for the benefit of the holders of all or any series of debt securities, including the junior subordinated notes, or to surrender any right or power conferred upon us in the indenture;
•to add events of default for the benefit of the holders of all or any series of debt securities, including the junior subordinated notes;
•to secure the debt securities, including the junior subordinated notes;
•to provide for the acceptance or appointment of a successor trustee or facilitate the administration of the trusts under an indenture by more than one trustee;
•to cure any ambiguity, defect or inconsistency in the subordinated indenture;
•to close the subordinated indenture with respect to the authentication and delivery of additional series of debt securities or to qualify, or maintain qualification of, an indenture under the Trust Indenture Act;
•to supplement any of the provisions of the subordinated indenture to the extent necessary to permit or facilitate defeasance and discharge of any series of the debt securities, including the junior subordinated notes; or
•to make any provisions with respect to the conversion or exchange rights of the holders of any debt securities, including providing for the conversion or exchange of any debt securities, including the junior subordinated notes, into any of our securities or property;
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provided that, in each case above, the action does not adversely affect the interests of the holders of the debt securities of any series, including the junior subordinated notes, issued under the subordinated indenture in any material respect.
Book-Entry Delivery and Settlement
Global Notes
We issued the junior subordinated notes in the form of one or more global notes in definitive, fully registered, book-entry form. The global notes were deposited with or on behalf of DTC and registered in the name of Cede & Co., as nominee of DTC.
DTC, Clearstream and Euroclear
Beneficial interests in the global notes are represented through book-entry accounts of financial institutions acting on behalf of beneficial owners as direct and indirect participants in DTC. Investors may hold interests in the global notes through either DTC (in the United States), Clearstream Banking, société anonyme, Luxembourg, which we refer to as Clearstream, or Euroclear Bank S.A./N.V., as operator of the Euroclear System, which we refer to as Euroclear, in Europe, either directly if they are participants in such systems or indirectly through organizations that are participants in such systems. Clearstream and Euroclear will hold interests on behalf of their participants through customers’ securities accounts in Clearstream’s and Euroclear’s names on the books of their U.S. depositaries, which in turn will hold such interests in customers’ securities accounts in the U.S. depositaries’ names on the books of DTC.
DTC has advised us as follows:
•DTC is a limited-purpose trust company organized under the New York Banking Law, a “banking organization” within the meaning of the New York Banking Law, a member of the Federal Reserve System, a “clearing corporation” within the meaning of the New York Uniform Commercial Code and a “clearing agency” registered under Section 17A of the Securities Exchange Act of 1934.
•DTC holds securities that its participants deposit with DTC and facilitates the settlement among participants of securities transactions, such as transfers and pledges, in deposited securities through electronic computerized book-entry changes in participants’ accounts, thereby eliminating the need for physical movement of securities certificates.
•Direct participants include securities brokers and dealers, banks, trust companies, clearing corporations and other organizations.
•DTC is owned by a number of its direct participants and by the New York Stock Exchange, Inc., the American Stock Exchange LLC and the Financial Industry Regulatory Authority, Inc.
•Access to the DTC system is also available to others such as securities brokers and dealers, banks and trust companies that clear through or maintain a custodial relationship with a direct participant, either directly or indirectly.
•The rules applicable to DTC and its direct and indirect participants are on file with the SEC.
Clearstream has advised us that it is incorporated under the laws of Luxembourg as a professional depositary. Clearstream holds securities for its customers and facilitates the clearance and settlement of securities transactions between its customers through electronic book-entry changes in accounts of its customers, thereby eliminating the need for physical movement of certificates. Clearstream provides to its customers, among other things, services for safekeeping, administration, clearance and settlement of internationally traded securities and securities lending and borrowing. Clearstream interfaces with domestic markets in several countries. As a professional depositary, Clearstream is subject to regulation by the Luxembourg Commission
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for the Supervision of the Financial Section. Clearstream customers are recognized financial institutions around the world, including
underwriters, securities brokers and dealers, banks, trust companies, clearing corporations and other organizations and may include the underwriters. Indirect access to Clearstream is also available to others, such as banks, brokers, dealers and trust companies that clear through or maintain a custodial relationship with a Clearstream customer either directly or indirectly.
Euroclear has advised us that it was created in 1968 to hold securities for participants of Euroclear and to clear and settle transactions between Euroclear participants through simultaneous electronic book-entry delivery against payment, thereby eliminating the need for physical movement of certificates and any risk from lack of simultaneous transfers of securities and cash. Euroclear provides various other services, including securities lending and borrowing and interfaces with domestic markets in several countries. Euroclear is operated by Euroclear Bank S.A./N.V., which we refer to as the Euroclear Operator, under contract with Euroclear Clearance Systems S.C., a Belgian cooperative corporation, which we refer to as the Cooperative. All operations are conducted by the Euroclear Operator, and all Euroclear securities clearance accounts and Euroclear cash accounts are accounts with the Euroclear Operator, not the Cooperative. The Cooperative establishes policy for Euroclear on behalf of Euroclear participants. Euroclear participants include banks (including central banks), securities brokers and dealers, and other professional financial intermediaries and may include the underwriters. Indirect access to Euroclear is also available to other firms that clear through or maintain a custodial relationship with a Euroclear participant, either directly or indirectly.
The Euroclear Operator has advised us that it is licensed by the Belgian Banking and Finance Commission to carry out banking activities on a global basis. As a Belgian bank, it is regulated and examined by the Belgian Banking and Finance Commission.
We have provided the descriptions of the operations and procedures of DTC, Clearstream and Euroclear solely as a matter of convenience. These operations and procedures are solely within the control of those organizations and are subject to change by them from time to time. None of us, the underwriters nor the trustee takes any responsibility for these operations or procedures, and you are urged to contact DTC, Clearstream and Euroclear or their participants directly to discuss these matters.
We expect that under procedures established by DTC:
•upon deposit of the global notes with DTC or its custodian, DTC will credit on its internal system the accounts of direct participants designated by the underwriters with portions of the principal amounts of the global notes; and
•ownership of the junior subordinated notes will be shown on, and the transfer of ownership thereof will be effected only through, records maintained by DTC or its nominee, with respect to interests of direct participants, and the records of direct and indirect participants, with respect to interests of persons other than participants.
The laws of some jurisdictions may require that purchasers of securities take physical delivery of those securities in definitive form. Accordingly, the ability to transfer interests in the junior subordinated notes represented by a global note to those persons may be limited. In addition, because DTC can act only on behalf of its participants, who in turn act on behalf of persons who hold interests through participants, the ability of a person having an interest in the junior subordinated notes represented by a global note to pledge or transfer those interests to persons or entities that do not participate in DTC’s system, or otherwise to take actions in respect of such interest, may be affected by the lack of a physical definitive security in respect of such interest.
So long as DTC or its nominee is the registered owner of a global note, DTC or that nominee will be considered the sole owner or holder of the junior subordinated notes represented by that global note for all purposes under the subordinated indenture and under the junior subordinated notes. Except as provided below, owners of beneficial interests in a global note will not be entitled to have the junior subordinated notes represented by that global note registered in their names, will not receive or be entitled to receive physical delivery of certificated notes and will not be considered the owners or holders thereof under the subordinated indenture or under the junior subordinated notes for any purpose, including with respect to the giving of any direction, instruction or approval to the trustee. Accordingly, each holder owning a beneficial interest in a global note must rely
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on the procedures of DTC and, if that holder is not a direct or indirect participant, on the procedures of the participant through which that holder owns its interest, to exercise any rights of a holder of junior subordinated notes under the subordinated indenture or a global note.
Neither we nor the trustee will have any responsibility or liability for any aspect of the records relating to or payments made on account of junior subordinated notes by DTC, Clearstream or Euroclear, or for maintaining, supervising or reviewing any records of those organizations relating to the junior subordinated notes.
Payments on the junior subordinated notes represented by the global notes will be made to DTC or its nominee, as the case may be, as the registered owner thereof. We expect that DTC or its nominee, upon receipt of any payment on the junior subordinated notes represented by a global note, will credit participants’ accounts with payments in amounts proportionate to their respective beneficial interests in the global note as shown in the records of DTC or its nominee. We also expect that payments by participants to owners of beneficial interests in the global note held through such participants will be governed by standing instructions and customary practice as is now the case with securities held for the accounts of customers registered in the names of nominees for such customers. The participants will be responsible for those payments.
Distributions on the junior subordinated notes held beneficially through Clearstream will be credited to cash accounts of its customers in accordance with its rules and procedures, to the extent received by the U.S. depositary for Clearstream.
Securities clearance accounts and cash accounts with the Euroclear Operator are governed by the Terms and Conditions Governing Use of Euroclear and the related Operating Procedures of the Euroclear System, and applicable Belgian law (collectively, the “Terms and Conditions”). The Terms and Conditions govern transfers of securities and cash within Euroclear, withdrawals of securities and cash from Euroclear, and receipts of payments with respect to securities in Euroclear. All securities in Euroclear are held on a fungible basis without attribution of specific certificates to specific securities clearance accounts. The Euroclear Operator acts under the Terms and Conditions only on behalf of Euroclear participants and has no record of or relationship with persons holding through Euroclear participants.
Distributions on the junior subordinated notes held beneficially through Euroclear will be credited to the cash accounts of its participants in accordance with the Terms and Conditions, to the extent received by the U.S. depositary for Euroclear.
Clearance and Settlement Procedures
Initial settlement for the junior subordinated notes was made in immediately available funds. Secondary market trading between DTC participants will occur in the ordinary way in accordance with DTC rules and will be settled in immediately available funds. Secondary market trading between Clearstream customers and/or Euroclear participants will occur in the ordinary way in accordance with the applicable rules and operating procedures of Clearstream and Euroclear, as applicable, and will be settled using the procedures applicable to conventional eurobonds in immediately available funds.
Cross-market transfers between persons holding directly or indirectly through DTC, on the one hand, and directly or indirectly through Clearstream customers or Euroclear participants, on the other, will be effected through DTC in accordance with DTC rules on behalf of the relevant European international clearing system by the U.S. depositary; however, such cross-market transactions will require delivery of instructions to the relevant
European international clearing system by the counterparty in such system in accordance with its rules and procedures and within its established deadlines (European time). The relevant European international clearing system will, if the transaction meets its settlement requirements, deliver instructions to the U.S. depositary to take action to effect final settlement on its behalf by delivering or receiving the junior subordinated notes in DTC, and making or receiving payment in accordance with normal procedures for same-day funds settlement applicable to DTC. Clearstream customers and Euroclear participants may not deliver instructions directly to their U.S. depositaries.
Because of time-zone differences, credits of the junior subordinated notes received in Clearstream or Euroclear as a result of a transaction with a DTC participant will be made during subsequent securities settlement processing and dated the business
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day following the DTC settlement date. Such credits or any transactions in the junior subordinated notes settled during such processing will be reported to the relevant Clearstream customers or Euroclear participants on such business day. Cash received in Clearstream or Euroclear as a result of sales of the junior subordinated notes by or through a Clearstream customer or a Euroclear participant to a DTC participant will be received with value on the DTC settlement date but will be available in the relevant Clearstream or Euroclear cash account only as of the business day following settlement in DTC.
Although DTC, Clearstream and Euroclear have agreed to the foregoing procedures to facilitate transfers of the junior subordinated notes among participants of DTC, Clearstream and Euroclear, they are under no obligation to perform or continue to perform such procedures and such procedures may be changed or discontinued at any time.
Certificated Notes
We will issue certificated notes to each person that DTC identifies as the beneficial owner of the junior subordinated notes represented by a global note upon surrender by DTC of the global note if:
•DTC notifies us that it is no longer willing or able to act as a depositary for such global note or ceases to be a clearing agency registered under the Securities Exchange Act of 1934, and we have not appointed a successor depositary within 90 days of that notice or becoming aware that DTC is no longer so registered;
•an event of default has occurred and is continuing, and DTC requests the issuance of certificated notes; or
•we determine (subject to the procedures of DTC) not to have the junior subordinated notes represented by a global note.
Neither we nor the trustee will be liable for any delay by DTC, its nominee or any direct or indirect participant in identifying the beneficial owners of the junior subordinated notes. We and the trustee may conclusively rely on, and will be protected in relying on, instructions from DTC or its nominee for all purposes, including with respect to the registration and delivery, and the respective principal amounts, of the certificated notes to be issued.
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 EX-10.24 3 unm123124ex1024.htm EX-10.24 Document
Exhibit 10.24
AMENDED AND RESTATED AIRCRAFT TIME-SHARING AGREEMENT
THIS AMENDED AND RESTATED AIRCRAFT TIME-SHARING AGREEMENT (this “Agreement”) is entered into as of March 8, 2018 between Unum Group, a Delaware corporation (the “Operator”), and Richard P. McKenney, a resident of the State of Tennessee (the “User”). This Agreement amends and restates that certain Aircraft Time-Sharing Agreement effective May 21, 2015 between Operator and User.
R E C I T A L S:
A.Operator owns and maintains the corporate aircraft described herein and operates such aircraft in connection with its business;
B.User desires to obtain air transportation services in such aircraft from time to time for cash; and
C.Operator is authorized to carry other persons under a time-sharing agreement for reimbursement on a limited basis, as long as Operator does not engage in the carriage of persons or cargo by air for compensation or hire;
NOW, THEREFORE, in consideration of the foregoing and of other good and valuable consideration, the receipt and sufficiency whereof are hereby acknowledged, the parties do hereby agree as follows:
1.Definitions. As used herein, the following capitalized terms shall have the respective meanings set forth in this Section 1:
“Aircraft” shall mean each aircraft described in any Supplement or Supplements hereto executed by and between User and Operator substantially in the form of Exhibit A.
“FAA” shall mean the Federal Aviation Administration of the U.S. Department of Transportation, or any successor.
“FAR” shall mean the Federal Aviation Regulations, Title 14, Code of Federal Regulations, as in effect from time to time.
“Principal Base” shall mean Chattanooga Metropolitan Airport, Chattanooga, Tennessee (airport code CHA).
“Service Area” shall mean the 48 contiguous states of the United States; Canada; Mexico; and the islands in the Caribbean Sea.
“Service Period” shall mean the period from the effective date of the relevant Supplement to the date of termination hereof communicated by at least thirty (30) days’ written notice from one party hereto to the other, inclusive.
“Services” shall have the meaning given thereto in Section 2 of this Agreement.
“SIFL” shall mean the Standard Industry Fare Level valuation formula set forth in Treasury Regulations Section 1.61-21(g), 28 C.F.R. Section 1.61-21(g).
“Supplement” shall mean each Aircraft Time-Sharing Supplement executed under this Agreement by the parties hereto substantially in the form of Exhibit A hereto, covering one or more particular Aircraft and incorporating by reference the terms and provisions of this Agreement.


“Ticket Tax” shall mean the federal excise tax imposed upon the transportation of persons by air pursuant to Section 4261 of the Internal Revenue Code of 1986, as amended, 26 U.S.C. Section 4261, or any replacement thereof, and regulations thereunder.
2.Operator Services. During the Service Period, Operator will provide the following services to User (collectively the “Services”):
(a)The use of one or more of the Aircraft, on a time-sharing basis pursuant to the provisions of FAR Sections 91.501(b)(6) and 91.501(c)(1), 14 C.F.R. Sections 91.501(b)(6) and 91.501(c)(1), upon request of User from time to time. The Principal Base shall be used for purposes of routine departure and arrival of persons authorized by User to use the Services. The Services will be available to User within the Service Area on a space-available basis in the discretion of Operator, upon not less than twenty-four (24) hours’ prior telephonic or other notice from User to Operator.
(b)Flight crew for the Aircraft.
(c)Inspection and maintenance of the Aircraft according to specifications currently in practice by Operator.
3.Consideration.
(a)In partial reimbursement of Operator’s costs of providing the Services to be provided to User hereunder, User shall pay to Operator its actual costs of each of the following items as expenses of any specific flight conducted hereunder:
(1)Fuel, oil, lubricants and other additives.
(2)Travel expenses of the crew, including food, lodging and ground transportation.
(3)Hangar and tie-down costs away from the Aircraft’s base of operation.
(4)Insurance (if any) obtained for the specific flight.
(5)Landing fees, airport taxes and similar assessments.
(6)Customs, foreign permit and similar fees directly related to the flight.
(7)In-flight food and beverages provided by Operator.
(8)Passenger ground transportation provided by Operator.
(9)Flight planning and weather contract services used for the flight.
(10)An additional charge equal to the amount by which the value of the flight determined under SIFL exceeds the sum of the expenses listed in subparagraphs (1) through (9) above, such additional charge not however to exceed 100 percent of the expenses listed in subparagraph (1) above.
(b)In connection with all Services rendered, Operator shall invoice User promptly for all reimbursable costs incurred by Operator in connection with a specific flight. The amount invoiced at any time shall reflect actual costs of Operator in pursuing the specific flight referred to, plus the amount of Ticket Tax required to be collected and remitted by Operator thereon. User shall pay each invoice within 20 days of receipt.
4.Other Obligations of User. For each flight, User shall provide Operator with an accurate passenger manifest not less than two (2) hours prior to scheduled departure. User also shall cooperate reasonably and shall arrange that passengers shall cooperate reasonably with Operator in its efforts to comply with all applicable requirements of the FAA, the U.S. Department of Homeland Security and any other governmental authorities having jurisdiction over each flight hereunder.
5.Operational Control. At all times when any Aircraft is being flown for User under this Agreement, Operator shall have operational control of the Aircraft. Operator’s pilot-in-command shall have final authority to determine all safety matters, including without limitation the initiation and termination of each flight, the selection of routing of the Aircraft and the load to be carried.
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6.Liability Limitations. Operator shall not be liable for delay or cancellation of flights or for loss or damage to property to the extent the same is caused by scheduling of necessary maintenance or repairs or by inclement weather, strike, civil commotion, government action, flood, fire, explosion, act of God or any other cause beyond the reasonable control of Operator. The liability of Operator for loss of or damage to baggage or other cargo shall be limited to $20 per kilogram of such property. Neither party shall be liable to the other for any punitive, exemplary or special damages under or in connection with this Agreement.
7.Risks, Indemnification and Insurance.
(a)Except as otherwise provided herein, Operator shall indemnify, defend and hold harmless User from and against any and all third-party claims, charges, suits, losses, costs, damages, liabilities and causes of action, including reasonable attorneys’ fees, to the extent the same are imposed upon, incurred by or asserted against User as a result of any act or omission on the part of Operator or those for whom Operator is responsible in connection with the operation or use of the Aircraft or as a result of a breach by Operator of any of its obligations, representations or warranties under this Agreement.
(b)Except as otherwise provided herein, User shall indemnify, defend and hold harmless Operator from and against any and all third-party claims, charges, suits, losses, costs, damages, liabilities and causes of action, including reasonable attorneys’ fees, to the extent the same are imposed upon, incurred by or asserted against Operator as a result of a breach by User of any of his obligations, representations or warranties under this Agreement.
(c)During the term of this Agreement, Operator shall maintain or cause to be maintained aircraft liability insurance in respect of each Aircraft, its use and operation, covering bodily injury and death of persons and loss of or damage to property, with a combined single limit of not less than $50,000,000 per occurrence, and naming User as an additional insured under the policy.
(d)During the Service Period, Operator shall maintain or cause to be maintained aircraft hull insurance covering all risks of loss of and damage to each Aircraft, in an amount not less than the replacement value of the Aircraft.
(e)All such coverages shall be maintained with insurers of recognized responsibility and shall conform to any relevant requirements of the FAA for aircraft operated in time-sharing service.
8.Representations and Warranties of Operator. Operator hereby represents and warrants to, and covenants with, User that on the date hereof, and at all times during the Service Period:
(a)Operator is a corporation duly organized and existing in good standing under the laws of the State of Delaware and is duly authorized to transact business under the laws of all other jurisdictions where the nature of its business requires such authorization.
(b)This Agreement constitutes the valid and binding obligations of Operator enforceable against Operator in accordance with its terms.
(c)Operator is the registered owner of each Aircraft and has good right to use, possess and control each Aircraft for all purposes of this Agreement.
(d)Operator is duly authorized to carry out flights of all Aircraft under a time-sharing arrangement as contemplated by FAR Section 91.501, 14 C.F.R. Section 91.501.
(e)Each pilot and co-pilot provided by Operator hereunder shall be duly type-rated for aircraft of the same type as the Aircraft to be operated by them, and shall be properly qualified, tested and trained pursuant to the FAR and current under FAR Section 61.57, 14 C.F.R. Section 61.57.
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9.Representations and Warranties of User. User hereby represents and warrants to, and covenants with, Operator that on the date hereof, and at all times during the Service Period:
(a)User is an individual resident of the State of Tennessee, of full age, and has all necessary authority to execute, deliver and perform this Agreement.
(b)This Agreement constitutes the valid and binding obligations of User enforceable against User in accordance with its terms.
(c)The Aircraft shall be used hereunder only for User’s own purposes, and not for providing transportation of passengers or cargo to others for compensation or hire or for any unlawful purpose.
10.Independent Contractor. At all times hereunder, Operator will determine the methods, details and means of performing the Services. It is the intention of the parties that Operator shall be an independent contractor hereunder, and nothing in this Agreement shall be deemed to constitute either party an agent, partner or joint venturer of the other or to authorize either party to bind the other to any agreement or obligation.
11.Termination. Either party may terminate this Agreement upon thirty (30) days’ prior written notice to the other.
12.Application.    The provisions of this Agreement shall apply to all annual hours (and any portion thereof) of use of the Aircraft by the User to the extent such hours in the aggregate exceed the total annual hours of use without cost to the User which are authorized by the Operator.
13.Miscellaneous.
(a)Except as expressly permitted hereby, neither party may assign any of its interest in this Agreement or any Supplement or delegate any of its obligations hereunder or thereunder without the written consent of the other party. No such consent shall be required for any assignment by Operator to any affiliate or successor, provided that any such assignee meets all of the requirements set forth herein with respect to the Operator.
(b)Unless otherwise provided herein, all notices and other communications required or permitted under this Agreement shall be in writing and shall be deemed delivered upon physical delivery thereof to the recipient, upon receipt of a facsimile copy with electronic confirmation received by the sender or five (5) days after being sent by U.S. Mail with postage prepaid, addressed as follows:
If to User:Mr. Richard P. McKenney
1 Fountain Square
Chattanooga, TN 37402
Facsimile: (423) 294-7056
If to Operator:Unum Group
1 Fountain Square
Chattanooga, TN 37402
Attn: General Counsel
Facsimile: (423) 294-5036

(c)The terms and provisions of this Agreement and any Supplements hereto shall be governed and construed in accordance with the laws of the State of Tennessee without giving effect to its conflicts of laws provisions except such principles which permit the parties to select the law to be applied to this Agreement.
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(d)This Agreement and the Supplements hereunder shall inure to the benefit of and be binding upon the parties hereto, their respective heirs, successors and permitted assigns.
(e)This Agreement and each relevant Supplement hereunder constitute the entire agreement and understanding between the parties with respect to the subject matter hereof and may not be amended, waived or modified except in a writing signed by the party to be charged.
(f)This Agreement and any Supplement hereunder may be executed in two or more counterparts and by the parties hereto and thereto on separate counterparts, all such counterparts together to constitute one and the same instrument.
(g)This Agreement and any Supplements hereunder supersede all prior agreements or assertions with respect to the subject matter hereof, whether oral or written, and all other communications between the parties with respect to the subject matter hereof.
(h)This Agreement is intended to comply with the requirements of Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”) or an exemption or exclusion therefrom and, with respect to amounts that are subject to Section 409A of the Code, shall in all respects be administered in accordance with Section 409A of the Code. All reimbursements and in-kind benefits provided under this Agreement that constitute deferred compensation within the meaning of Section 409A of the Code shall be made or provided in accordance with the requirements of Section 409A of the Code, including, without limitation, that (i) in no event shall reimbursements under this Agreement be made later than the end of the calendar year next following the calendar year in which the applicable fees and expenses were incurred, provided, that invoices shall have been submitted for such fees and expenses at least 10 days before the end of the calendar year next following the calendar year in which such fees and expenses were incurred; (ii) the amount of in-kind benefits that are required to be paid or provided in any given calendar year shall not affect the in-kind benefits that are obligated to be paid or provided in any other calendar year; (iii) the right to receive reimbursements and in-kind benefits may not be liquidated or exchanged for any other benefit; and (iv) in no event shall obligations to make reimbursements or provide in-kind benefits apply later than five years beyond User’s lifetime.
[Signatures on the following page.]

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14.Truth-In-Leasing.
DURING THE TWELVE (12) MONTHS PRECEDING THE EXECUTION OF THIS AGREEMENT, THE AIRCRAFT HAS BEEN MAINTAINED AND INSPECTED UNDER FAR PART 91. OPERATOR CERTIFIES THAT THE AIRCRAFT WILL BE MAINTAINED AND INSPECTED IN COMPLIANCE WITH APPLICABLE REQUIREMENTS OF FAR PART 91 FOR OPERATIONS TO BE CONDUCTED UNDER THIS AGREEMENT. DURING THE DURATION OF THIS AGREEMENT, OPERATOR SHALL BE CONSIDERED RESPONSIBLE FOR OPERATIONAL CONTROL OF THE AIRCRAFT WHEN OPERATED UNDER THIS AGREEMENT. THE UNDERSIGNED OPERATOR, WHOSE ADDRESS IS 1 FOUNTAIN SQUARE, CHATTANOOGA, TN 37402, CERTIFIES THAT IT IS RESPONSIBLE FOR SUCH CONTROL AND THAT IT UNDERSTANDS ITS RESPONSIBILITIES FOR COMPLIANCE WITH APPLICABLE FAR PROVISIONS.
AN EXPLANATION OF THE FACTORS BEARING ON OPERATIONAL CONTROL AND THE PERTINENT FEDERAL AVIATION REGULATIONS CAN BE OBTAINED FROM THE NEAREST FAA FLIGHT STANDARDS DISTRICT OFFICE, GENERAL AVIATION DISTRICT OFFICE OR AIR CARRIER DISTRICT OFFICE.
IN WITNESS WHEREOF, Operator and User have executed this Amended and Restated Aircraft Time-Sharing Agreement as of the day and year first above written.
Unum Group, as Operator
By:/s/ Lisa G. Iglesias
Lisa G. Iglesias
Title:Executive Vice President, General Counsel
Richard P. McKenney, as User
By:/s/ Richard P. McKenney
Richard P. McKenney

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Exhibit A
AIRCRAFT TIME-SHARING SUPPLEMENT NO. 4
THIS AIRCRAFT TIME-SHARING SUPPLEMENT NO. 4 (this “Supplement”) is entered into as of February 6, 2025, between Unum Group (“Operator”) and Richard P. McKenney (“User”).
Operator and User are parties to that Amended and Restated Aircraft Time-Sharing Agreement between them dated as of March 8, 2018 (the “Agreement”), the terms and provisions of which Agreement are incorporated herein by this reference. This Supplement amends (to update the aircraft described below), restates and supersedes that certain Aircraft Time-Sharing Supplement No. 3 effective August 9, 2019, between Operator and User.
1.User engages Operator to provide, and Operator agrees to provide to User, the use from time to time of the aircraft described below (the “Aircraft”) upon all of the terms and provisions of the Agreement as supplemented by this Supplement:
Make and ModelYearSerial No.Registration No.
Embraer EMB-545201655010005N1848U
Embraer EMB-545201655010010N175U
2.As compensation for the services to be rendered under the Agreement as supplemented hereby, User shall reimburse to Operator certain of Operator’s costs, as provided more fully in the Agreement.
3.The term of this Supplement shall commence as of the 6th day of February, 2025, at 12 AM Eastern time and shall extend until the expiration of the Service Period (as defined in the Agreement), unless earlier terminated in accordance with the terms of the Agreement.
4.The parties acknowledge and agree that, notwithstanding any other term or provision hereof, the rights of User to use the Aircraft hereunder are (a) subject to all terms and provisions of the lease agreements with respect thereto between the lessors thereof and the Operator and (b) subordinate to the rights of the respective lessors thereof and their secured lenders.
IN WITNESS WHEREOF, Operator and User have executed this Aircraft Time-Sharing Supplement No. 4 as of the day and year first above written.
Unum Group, as Operator
Richard P. McKenney, as User
By:/s/ Lisa G. IglesiasBy:/s/ Richard P. McKenney

 EX-10.43 4 unm123124ex1043.htm EX-10.43 Document
Exhibit 10.43
RESTRICTED STOCK UNIT AGREEMENT
(Unum Group 2022 Stock Incentive Plan)
THIS AGREEMENT (this “Agreement”), dated as of [Grant Date], is entered into by and between Unum Group, a Delaware corporation (the “Company”), and [Participant Name] (the “Employee”).
W I T N E S S E T H
In consideration of the mutual promises and covenants made herein and the mutual benefits to be derived herefrom, the parties hereto agree as follows:
1.Grant, Vesting and Forfeiture of Restricted Stock Units.
(a)Grant. Subject to the provisions of this Agreement and to the provisions of the Unum Group 2022 Stock Incentive Plan (as the same may be amended, the “Plan”), the Company hereby grants to the Employee, as of [Grant Date] (the “Grant Date”), [Number Granted] Restricted Stock Units (the “Restricted Stock Units”), each with respect to one share of common stock of the Company, par value $0.10 per Share. All capitalized terms used herein, to the extent not defined, shall have the meaning set forth in the Plan.
(b)Vesting During the Restriction Period. Subject to the terms and conditions of this Agreement, the Restricted Stock Units shall vest and no longer be subject to any restriction on the anniversaries of the Grant Date set forth below (the period during which restrictions apply, the “Restriction Period”):
Vesting Dates
(Anniversaries of Grant Date)
Percentage of Total Grant Vesting
First Anniversary
33%
Second Anniversary
33%
Third Anniversary
34%
(c)Termination of Employment.
(i)Upon the Employee’s Termination of Employment during the Restriction Period for (A) Cause or (B) any other reason except as specified in Section 1(c)(ii) or 1(c)(iii) below, all Restricted Stock Units still subject to restriction shall be forfeited.
(ii)Upon the Employee’s Termination of Employment during the Restriction Period due to the Employee’s death, Disability or Retirement, the restrictions applicable to the Restricted Stock Units shall lapse, and such Restricted Stock Units shall become free of all restrictions and become fully vested.
(iii)Upon the Employee’s Termination of Employment during the Restriction Period by the Company as a result of job elimination or requalification, the Employee shall vest in a number of Restricted Stock Units subject to each tranche that has not vested as of the date of the Termination of Employment equal to the product of (x) the number of Restricted Stock Units subject to such tranche that has not vested as of the date of the Termination of Employment and (y) a fraction, the numerator of which is the number of full and partial months that have lapsed from the Grant Date until the date of the Termination of Employment and the denominator of which is the total number of months in the Restriction Period applicable to such tranche. The benefits described this Section 1(c)(iii) shall also apply upon a Termination of Employment by the Employee for Good Reason if the Company has entered into a separate written agreement with the Employee providing for payments upon a Termination of Employment for Good Reason not upon or following a Change in Control, in which case “Good Reason” shall have the meaning ascribed to such term (or a similar term) in such agreement; provided, that, if the Employee is eligible for Retirement at the time of Termination of Employment by the Employee for Good Reason, the vesting of such Employee’s Restricted Stock Units shall be governed by Section 1(c)(ii) above.
(iv)For purposes of this Agreement and notwithstanding section 1(gg) of the Plan, “Retirement” shall mean the Employee’s Termination of Employment at a time when the sum of the Employee’s age and continuous years of
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service equals or exceeds 65, with a minimum age of 55 and a minimum of five years of continuous service if such Termination of Employment is approved as a “Retirement” by (1) the Committee in the case of an Employee who is subject to Section 16 of the Exchange Act, or (2) the Chief Executive Officer or Executive Vice President, People and Communications, in the case of all other individuals; provided, however, that if, on the approved date of the Employee’s Termination of Employment due to Retirement, there is a basis for the Company or an Affiliate employer to terminate the employment of the Employee for Cause, then such voluntary cessation of employment by the Employee shall not constitute “Retirement” for purposes of this Agreement. Notwithstanding the foregoing or section 1(gg) of the Plan, in the event that Employee is subject to the laws of a foreign jurisdiction where the above definition would violate applicable law, “Retirement” shall mean the Employee’s Termination of Employment where the Employee ceases employment with the intention of ceasing to do any further work and on a date that has been agreed by both the Company (or an Affiliate employer) and the Employee in writing in advance in compliance with such local legal requirements; provided, however, that if, on such agreed-upon date, there is a basis for the Company or an Affiliate employer to terminate the employment of the Employee for Cause, then such voluntary cessation of employment by the Employee shall not constitute “Retirement” for purposes of this Agreement.
(v)For purposes of this Agreement, employment with the Company shall include employment with the Company’s Affiliates and successors. Nothing in this Agreement or the Plan shall confer upon the Employee any right to continue in the employ of the Company or any of its Affiliates or interfere in any way with the right of the Company or any such Affiliates to terminate the Employee’s employment at any time.
2.Settlement of Units.
Subject to Section 8 (pertaining to the withholding of taxes), as soon as practicable after the date on which the Restriction Period expires, and in no event later than 30 days after such date, the Company shall deliver to the Employee or his or her personal representative, in book-position or certificate form, one Share that does not bear any restrictive legend making reference to this Agreement for each Share subject to the Restricted Stock Unit. Notwithstanding the foregoing, the Company shall be entitled to hold the Shares issuable upon settlement of Restricted Stock Units that have vested until the Company shall have received from the Employee a duly executed Form W-9 or W-8, as applicable.
3.Nontransferability of the Restricted Stock Units.
During the Restriction Period and until such time as the Restricted Stock Units are ultimately settled as provided in Section 2 above, the Restricted Stock Units and Shares covered by the Restricted Stock Units shall not be transferable by the Employee by means of sale, assignment, exchange, encumbrance, pledge, hedge or otherwise; provided, however, that nothing in this Section 3 shall prevent transfers by will or by the applicable laws of descent and distribution. Any purported or attempted transfer of such Restricted Stock Units or Shares in contravention of this Section 3 shall be null and void.
4.Rights as a Stockholder.
The Employee shall not be entitled to any rights of a stockholder with respect to the Restricted Stock Units (including, without limitation, any voting rights); provided that with respect to any dividends paid on Shares while the Restricted Stock Units remain outstanding, such dividends will be notionally accounted for and shall vest and be settled in cash at such time as the underlying Restricted Stock Units vest and are settled.
5.Adjustment; Change in Control.
In the event of certain transactions during the Restriction Period, the Restricted Stock Units shall be subject to adjustment as provided in Section 3(d) of the Plan or any applicable successor provision under the Plan. Notwithstanding anything in Section 1 to the contrary: (a) upon the occurrence of a Change in Control, unless a Replacement Award is granted in respect of the Restricted Stock Units (in which case this clause (a) shall not apply), the restrictions applicable to the Restricted Stock Units shall lapse and such Restricted Stock Units shall become free of all restrictions and fully vested as of such Change in Control and shall be settled as soon as practicable following the date of such Change in Control (but not later than 30 days thereafter); and (b) if a Replacement Award is granted in respect of the Restricted Stock Units in connection with such Change in Control, upon a Termination of Employment of the Employee occurring upon or during the two years immediately following the date of such Change in Control by reason of death, Disability or Retirement, by the Company
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without Cause, or by the Employee for Good Reason (as defined in the Plan, except that if the Employee is covered by a separate written plan or agreement providing for payments upon a Termination of Employment for Good Reason upon or within two years following a Change in Control, then as such term (or a similar term) is defined in such plan or agreement), the restrictions applicable to such Replacement Award, to the extent not vested as of such Termination of Employment, shall lapse, and such Replacement Award shall become free of all restrictions and fully vested and shall be settled as soon as practicable following the date of Termination of Employment (but not later than 30 days thereafter); provided, however, that any Restricted Stock Units that constitute “nonqualified deferred compensation” as defined under Section 409A of the Code shall, to the extent necessary to avoid the imposition of penalty taxes under Section 409A of the Code, not be so settled unless the Change in Control constitutes a “change in control event” within the meaning of Section 409A of the Code (it being understood that nothing in this Section 5 shall preclude the Company from settling upon a Change in Control any Restricted Stock Units that are not replaced by a Replacement Award, to the extent effectuated in accordance with Treasury Reg. § 1.409A-3(j)(4)(ix)).
6.Payment of Transfer Taxes, Fees and Other Expenses.
The Company agrees to pay any and all original issue taxes and stock transfer taxes that may be imposed on the issuance of shares received by an Employee in connection with the Restricted Stock Units, together with any and all other fees and expenses necessarily incurred by the Company in connection therewith.
7.Other Restrictions.
(a)The Restricted Stock Units shall be subject to the requirement that, if at any time the Committee shall determine that (i) the listing, registration or qualification of the Shares related thereto upon any securities exchange or under any applicable law is required, or (ii) the consent or approval of any government regulatory body is required, then in any such event, the grant of Restricted Stock Units shall not be effective unless such listing, registration, qualification, consent or approval shall have been effected or obtained free of any conditions not acceptable to the Committee.
(b)If the Employee is an insider as described under the Company’s Insider Trading Policy (as in effect from time to time and any successor policies), the Employee shall be required to obtain pre-clearance from the General Counsel or Securities Counsel of the Company prior to purchasing or selling any of the Company’s securities, including any shares issued upon vesting of the Restricted Stock Units, and may be prohibited from selling such securities other than during an open trading window. The Employee further acknowledges that, in its discretion, the Company may prohibit the Employee from selling such securities even during an open trading window if the Company has concerns over the potential for insider trading.
8.Taxes and Withholding.
No later than the date as of which an amount first becomes includible in the gross income of the Employee for federal, state, local or foreign income, employment or other tax purposes with respect to any Restricted Stock Units, the Employee shall pay to the Company, or make arrangements satisfactory to the Company regarding the payment of, all federal, state, local and foreign taxes that are required by applicable laws and regulations to be withheld with respect to such amount. The obligations of the Company under this Agreement shall be conditioned on compliance by the Employee with this Section 8, and the Company shall, to the extent permitted by law, have the unilateral right to deduct any such taxes from any payment otherwise due to the Employee, including deducting such amount from the delivery of shares upon settlement of the Restricted Stock Units that gives rise to the withholding requirement.
9.Confidentiality; Non-Competition; Non-Solicitation; Non-Disparagement.
(a)The Employee acknowledges that during the course of employment or engagement with the Company and its Affiliates the Employee has received and will continue to have access and exposure to secret and proprietary information, including but not limited to information about the Company’s and its Affiliates’ business, business practices and processes, customers, and prospective customers, the value of which is derived in part from the fact that the information is not generally known to the public (“Confidential Information”). The Employee acknowledges that the Company and its Affiliates have spent significant time, effort and resources protecting the Confidential Information and that the Confidential Information has contributed to customer goodwill and is of significant competitive value to the Company and its Affiliates in the businesses in which they compete, and that the use or disclosure, even if inadvertent, of the Confidential Information to or for the benefit of a competitor would cause significant damage to the legitimate business interests of the Company and its Affiliates. Accordingly,
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in order to protect the legitimate business and customer goodwill interests of the Company and its Affiliates, to protect the Confidential Information against inappropriate use or disclosure, and in consideration of the grant of and the opportunity to vest in the Restricted Stock Units in accordance with the provisions of this Agreement, the Employee hereby covenants and agrees to comply with the confidentiality, non-competition, non-solicitation and non-disparagement provisions set forth in this Section 9(a) (collectively, the “RSU Restrictions”). Except to the extent expressly provided otherwise below, the Employee agrees to comply with the RSU Restrictions for the period commencing on the Grant Date and extending through the date that is 12 months following the Employee’s Termination of Employment for any reason (such period, the “RSU Restricted Period”).
(i)The Employee will use Confidential Information gained during employment or engagement with the Company or any Affiliate for the benefit of the Company only and, without the prior written consent of the Company, shall not, at any time during the RSU Restricted Period or thereafter, directly or indirectly, divulge, reveal or communicate any Confidential Information to any person or entity whatsoever, or use any Confidential Information for the Employee’s own benefit or for the benefit of others, other than as required by law or legal process. For purposes of the foregoing, Confidential Information shall not include information that was or is available to the Employee on a non-confidential basis from a source other than the Company or becomes generally available to the public, other than as a result of disclosure by the Employee.
(ii)The Employee shall not, at any time during the RSU Restricted Period, without the prior written consent of the Company, directly or indirectly, own, manage, operate, join, control, or participate in the ownership, management, operation or control of, or be employed by, consult with, render services for, or be connected in any other manner with, any Competing Business, whether for compensation or otherwise. For the purposes of this Agreement, a “Competing Business” shall be any business in the United States which is engaged in the sale or provision of employee benefits or other products or services of the type offered by the Company or its Affiliates (including, without limitation, disability, life, accident, critical illness, hospital indemnity, dental, and vision insurance products; leave and absence management support services; and behavioral health services), unless the Employee’s primary duties and responsibilities with respect to such business are not related to the management, operation or provision of such products or services. Notwithstanding the requirements of this paragraph, the Employee shall not be prohibited from owning less than 1% of any publicly traded corporation, whether or not such corporation is deemed to be a Competing Business.
(iii)The Employee shall not, at any time during the RSU Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, solicit, assist, or induce any Covered Employee to terminate his or her relationship with the Company or its Affiliates (regardless of who first initiates the communication), or help another person or entity evaluate any Covered Employee as an employment candidate, or offer to employ, call on, or actively interfere with the Company’s or any Affiliate’s relationship with any Covered Employee, provided that this paragraph shall not prohibit general solicitations in the form of classified advertisements or the like in newspapers, on the internet, or in other media. For purposes of this Agreement, “Covered Employee” means an individual who is an employee, representative, or officer of the Company or any Affiliate at the time of the solicitation, assistance, or inducement or as of the date of the Employee’s Termination of Employment.
(iv)The Employee shall not, at any time during the RSU Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, use any Confidential Information to solicit or accept any business from any customers of the Company or any Affiliate, or any broker with regard to customers of the Company or any Affiliate (regardless of who first initiates the communication), whom the Employee serviced, solicited or had contact with while employed or engaged by the Company or any Affiliate.
(v)The Employee shall not, at any time during the RSU Restricted Period, directly or indirectly, disparage or make any statement, oral or written, public or in private, which is reasonably foreseeable as harming the Company’s or any Affiliate’s business interests or impacts negatively on the Company’s or any Affiliate’s business reputation or reputation in the community. Nothing in this paragraph will be construed to prevent the Employee from (x) truthfully communicating with or responding to a request for information from a federal, state, administrative agency or court or (y) discussing or disclosing information about unlawful acts in the workplace, such as harassment or discrimination or any other conduct that the Employee has reason to believe is unlawful.
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(b)Any termination of the Employee’s employment or the termination or expiration of this Agreement shall have no effect on the continuing operation of this Section 9.
(c)The terms and provisions of this Section 9 are intended to be separate and divisible provisions and if, for any reason, any one or more of them is held to be invalid or unenforceable, neither the validity nor the enforceability of any other provision of this Agreement shall thereby be affected. The parties hereto acknowledge that the potential restrictions on the Employee’s future employment imposed by this Section 9 are reasonable in both duration and geographic scope and in all other respects. If for any reason any court of competent jurisdiction shall find any provisions of this Section 9 unreasonable in duration or geographic scope or otherwise, the Employee and the Company agree that the restrictions and prohibitions contained herein shall be effective to the fullest extent allowed under applicable law in such jurisdiction.
(d)The Employee acknowledges and agrees that any breach or threatened breach of the RSU Restrictions will result in substantial, continuing and irreparable injury to the Company and/or its Affiliates. Therefore, in addition to any other remedy that may be available to the Company and/or its Affiliates, the Company and/or its Affiliates shall be entitled to equitable and/or injunctive relief to prevent any breach or threatened breach of such provisions, and to specific performance of each of the terms thereof in addition to any other legal or equitable remedies that the Company or any Affiliate may have.
10.Notices.
All notices and other communications under this Agreement shall be in writing and shall be given by hand delivery to the other party or by facsimile, overnight courier, or registered or certified mail, return receipt requested, postage prepaid, addressed as follows:
If to the Employee:
At the most recent address
on file at the Company
If to the Company:
Unum Group
1 Fountain Square
Chattanooga, Tennessee 37402
Attention: Executive Compensation, Human Resources
or to such other address or facsimile number as any party shall have furnished to the other in writing in accordance with this Section 10. Notices and communications shall be effective when actually received by the addressee. Notwithstanding the foregoing, the Employee consents to electronic delivery of documents required to be delivered by the Company under the securities laws.
11.Effect of Agreement.
This Agreement is personal to the Employee and, without the prior written consent of the Company, shall not be assignable by the Employee otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Employee’s legal representatives. This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns.
12.Laws Applicable to Construction; Consent to Jurisdiction.
The interpretation, performance and enforcement of this Agreement shall be governed by the laws of the State of Delaware without reference to principles of conflict of laws, as applied to contracts executed in and performed wholly within the State of Delaware. In addition to the terms and conditions set forth in this Agreement, the Restricted Stock Units are subject to the terms and conditions of the Plan, which is hereby incorporated by reference.
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13.Severability.
The invalidity or enforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement.
14.Conflicts and Interpretation.
Except with regard to the definition of “Retirement” set forth in Section 1(c)(iv) hereof, in the event of any conflict between this Agreement and the Plan, the Plan shall control. In the event of any ambiguity in this Agreement, or any matters as to which this Agreement is silent, the Plan shall govern including, without limitation, the provisions thereof pursuant to which the Committee has the power, among others, to (a) interpret the Plan, (b) prescribe, amend and rescind rules and regulations relating to the Plan, and (c) make all other determinations deemed necessary or advisable for the administration of the Plan. The Employee hereby acknowledges that a copy of the Plan has been made available to him and agrees to be bound by all the terms and provisions thereof. The Employee and the Company each acknowledge that this Agreement (together with the Plan) constitutes the entire agreement and supersedes all other agreements and understandings, both written and oral, between the parties or either of them, with respect to the subject matter hereof.
15.Amendment.
The Company may modify, amend or waive the terms of the Restricted Stock Unit award, prospectively or retroactively, but no such modification, amendment or waiver shall materially impair the rights of the Employee without his or her consent, except as required by applicable law, stock exchange rules, tax rules or accounting rules. The waiver by either party of compliance with any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this Agreement, or of any subsequent breach by such party of a provision of this Agreement.
16.Section 409A.
It is the intention of the Company that the Restricted Stock Units shall either (a) not constitute “nonqualified deferred compensation” as defined under Section 409A of the Code, or (b) comply in all respects with the requirements of Section 409A of the Code and the regulations promulgated thereunder, such that no delivery of or failure to deliver Shares pursuant to this Agreement will result in the imposition of taxation or penalties as a consequence of the application of Section 409A of the Code. Restricted Stock Units that (i) constitute “nonqualified deferred compensation” as defined under Section 409A of the Code and (ii) vest as a consequence of the Employee’s termination of employment shall not be delivered until the date that the Employee incurs a “separation from service” within the meaning of Section 409A of the Code (or, if the Employee is a “specified employee” within the meaning of Section 409A of the Code and the regulations promulgated thereunder, the date that is six months following the date of such “separation from service”). If the Company determines after the Grant Date that an amendment to this Agreement is necessary to ensure the foregoing, it may make such an amendment, notwithstanding Section 15 above, effective as of the Grant Date or any later date, without the consent of the Employee.
17.Headings.
The headings of Sections herein are included solely for convenience of reference and shall not affect the meaning or interpretation of any of the provisions of this Agreement.
18.Counterparts.
This Agreement may be executed in counterparts, which together shall constitute one and the same original.
19.Waiver and Release.
In consideration for the granting of the Restricted Stock Units, the Employee hereby waives any and all claims whether known or unknown that the Employee may have against the Company and its Subsidiaries and Affiliates and their respective directors, officers, shareholders, agents or employees arising out of, in connection with or related to the Employee’s employment, except for (1) claims under this Agreement, (2) claims that arise after the date hereof and obligations that by their terms are to be performed after the date hereof, (3) claims for compensation or benefits under any compensation or benefit plan
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or arrangement of the Company and its Subsidiaries and Affiliates, (4) claims for indemnification respecting acts or omissions in connection with the Employee’s service as a director, officer or employee of the Company or any of its Subsidiaries and Affiliates, (5) claims for insurance coverage under directors’ and officers’ liability insurance policies maintained by the Company or any of its Subsidiaries or Affiliates, (6) any right the Employee may have to obtain contribution in the event of the entry of judgment against the Company as a result of any act or failure to act for which both the Employee and the Company or any of its Subsidiaries or Affiliates are jointly responsible, or (7) claims under the California Fair Employment and Housing Act. The Employee waives any and all rights under the laws of any state (expressly including but not limited to Section 1542 of the California Civil Code), which is substantially similar in wording or effect as follows:
A general release does not extend to claims that the creditor or releasing party does not know or suspect to exist in his or her favor at the time of executing the Release and that, if known by him or her, would have materially affected his or her settlement with the debtor or released party.
This waiver specifically includes all claims under the Age Discrimination in Employment Act of 1967, as amended. The Employee acknowledges that the Employee (a) has been advised to consult an attorney in connection with entering into this Agreement; (b) has 21 days to consider this waiver and release; and (c) may revoke this waiver and release within seven days of execution upon written notice to Legal Counsel, Employment and Labor, Law Department, Unum Group, 1 Fountain Square, Chattanooga, Tennessee 37402. The waiver and release will not become enforceable until the expiration of the seven-day period. If the waiver and release is revoked during such seven-day period, the grant shall be void and of no further effect.
20.Clawback.
Notwithstanding any provisions in this Agreement to the contrary, the Employee hereby acknowledges and agrees that any Shares or other amounts paid or provided to the Employee pursuant to this Agreement (including any gains realized on Shares issued pursuant to this Agreement), which Shares or amounts are subject to recovery for any reason under any law, government regulation, stock exchange listing requirement, or any policy adopted by the Company from time to time, will be subject to all applicable deductions and clawback pursuant to such law, government regulation, stock exchange listing requirement, or policy as in effect from time to time. For purposes of the foregoing, the Employee expressly and explicitly authorizes (a) the Company to issue instructions, on Employee’s behalf, to any brokerage firm and/or third party administrator engaged by the Company to hold Employee’s Shares and other amounts acquired under the Plan to re-convey, transfer or otherwise return such Shares and/or other amounts to the Company and (b) the Company’s recovery of any covered compensation under such law, government regulation, stock exchange listing requirement, or policy through any method of recovery that the Company deems appropriate, including without limitation by reducing any amount that is or may become payable to the Employee, whether in the form of wages, severance, vacation pay or any other benefit or for any other reason.
21.Disclosures.
Nothing in this Agreement shall be construed to restrict the Employee’s ability to make a confidential disclosure of any trade secret or other confidential information, without notice to or approval by the Company, to a government official or an attorney for the sole purpose of reporting or assisting in the investigation of a suspected violation of law and the Employee shall not be held liable under this Agreement or under any federal or state trade secret law for any such disclosure.
22.Foreign Jurisdictions. This Agreement shall be construed, interpreted and applied in such a manner as shall be necessary to comply with any legal or regulatory requirements of any non-United States jurisdiction to which the Employee is or becomes subject. The Company hereby delegates to each of the officers of the Company the authority for the interpretation of such matters, whose interpretations shall be final, binding and conclusive on the Employee and all individuals claiming any rights or benefits hereunder. The following provisions shall also apply only with respect to non-U.S. employees:
(a)    The Employee shall have no rights under any employment agreement (or any alleged breach of it), whether on termination of his or her employment (whether lawfully or in breach) or otherwise, to any damages for breach of contract in respect of the loss of any benefits or any rights (including the grant or vesting of any share options or equity incentives) that he or she may have received had he or she continued to have been employed.
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(b)    By executing this Agreement, the Employee also agrees to, and shall be deemed to have provided to the Company, the data protection and monitoring acknowledgement set forth in Schedule 1 attached hereto.
IN WITNESS WHEREOF, as of the date first above written, the Company has caused this Agreement to be executed on its behalf by a duly authorized officer and the Employee has hereunto set the Employee’s hand.
Date: [Acceptance Date]    
EMPLOYEE: [Participant Name]
[Electronic Signature]
UNUM GROUP
By:
[Authorized Signature]
[Name]
[Title]
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SCHEDULE 1 (FOR NON-U.S. EMPLOYEES)
Data Protection and Monitoring Acknowledgement
To: [Name of Employer] (the “Company”)
I hereby acknowledge having been informed that the Company and Affiliates may hold and process information about me for legal, personnel, administrative and management purposes and, in particular, collecting and processing: (a) contact information to create and maintain my employee records, grant me access to internal systems, manage an internal employee directory, and communicate with me for business purposes or emergencies; (b) national identification information to ensure my eligibility to work; (c) information about the duration of sick leave to monitor sick leave and sick pay, to administer benefits and take decisions as to my fitness to work or the need for adjustments in the workplace; (d) performance and job-related information, qualifications, and professional memberships to administer performance reviews, benefits and other awards, staff restructuring, conflict of interest reporting, as well as assess my personal and professional development; (e) disciplinary, capability, and conduct information required to carry out disciplinary and grievance procedures, internal investigations and considering reports (which may be submitted anonymously) under any whistle-blowing procedure; (f) any information relating to criminal proceedings in which I have been involved to determine my suitability for certain jobs; and (g) financial, salary, and benefits information for the payment of wages and other benefits; (h) biometric information to monitor and record my hours of work where permitted by law; and (i) beneficiaries, dependents, and emergency contact information to administer benefits and contact the designated contacts in the case of emergency (my “Personal Data”).
I understand that, notwithstanding anything to the contrary herein, Company may process my Personal Data without my consent under certain lawful bases, including when processing is necessary for the performance of a contract to which I am a party; when processing is necessary for compliance with a legal requirement; or when processing is necessary to protect vital interests.
I agree that the Company may make my Personal Data available to Affiliates, those who provide products or services to the Company and Affiliates (such as advisers and payroll administrators), regulatory authorities, potential or future employers, governmental or quasi-governmental organizations, current or potential investors and potential purchasers of the Company or the business in which I work. I agree that the Company may use and make my Personal Data available to third parties to comply with obligations to third parties; establish or defend legal claims or allegations; and detect security incidents, protect against malicious deceptive, fraudulent, or illegal activity.
I understand that my Personal Data may be transferred to any Affiliate established outside the European Economic Area, and in particular to the United States. I acknowledge that these countries may not have laws in place to adequately protect my privacy, but that a Data Transfer Agreement which utilized EU Model Clauses has been implemented with such Affiliates.
I understand that all communications (whether by telephone, email or any other means) which are transmitted, undertaken or received using Company property or on Company premises will be treated by the Company as work related and are subject to occasional interception, recording and monitoring without further notice. I do not regard any such communications as private and I consent to such interception, recording and monitoring.
Interception, recording and monitoring of communications is intended to protect the Company’s business interests (for example, but without limitation, for the purposes of quality control, security of communication and IT systems, record-keeping and evidential requirements, detection and prevention of criminal activity or misconduct and to assist the Company to comply with relevant legal requirements). I acknowledge that intercepted communications may be used as evidence in any disciplinary or legal proceedings.
I understand that I have the right to withdraw my agreement to the collection and processing of my Personal Data. If I would like to withdraw my agreement, I can contact the Privacy Office at privacy@unum.com or 1-877-684-1241.
I have read, understood and agreed to the above of my own free will.

 EX-10.44 5 unm123124ex1044.htm EX-10.44 Document
Exhibit 10.44
RESTRICTED STOCK UNIT AGREEMENT
(Unum Group 2022 Stock Incentive Plan – Sub-plan for U.K. and Republic of Ireland)
THIS AGREEMENT (this “Agreement”), dated as of [Grant Date], is entered into by and between Unum Group, a Delaware corporation (the “Company”), and [Participant Name] (the “Employee”).
W I T N E S S E T H
In consideration of the mutual promises and covenants made herein and the mutual benefits to be derived herefrom, the parties hereto agree as follows:
1.Grant, Vesting and Forfeiture of Restricted Stock Units.
(a)Grant. Subject to the provisions of this Agreement and to the provisions of the Sub-plan for U.K. and Republic of Ireland (as the same may be amended, the “Sub-plan”) of the Unum Group 2022 Stock Incentive Plan (as the same may be amended, the “Plan”), the Company hereby grants to the Employee, as of [Grant Date] (the “Grant Date”), [Number Granted] Restricted Stock Units (the “Restricted Stock Units”), each with respect to one share of common stock of the Company, par value $0.10 per Share. All capitalized terms used herein, to the extent not defined, shall have the meaning set forth in the Sub-plan and the Plan.
(b)Vesting During the Restriction Period. Subject to the terms and conditions of this Agreement, the Restricted Stock Units shall vest and no longer be subject to any restriction on the anniversaries of the Grant Date set forth below (the period during which restrictions apply, the “Restriction Period”):
Vesting Dates
(Anniversaries of Grant Date)
Percentage of Total Grant Vesting
First Anniversary
33%
Second Anniversary
33%
Third Anniversary
34%
(c)Termination of Employment.
(i)Upon the Employee’s Termination of Employment during the Restriction Period for (A) Cause or (B) any other reason except as specified in Section 1(c)(ii) or 1(c)(iii) below, all Restricted Stock Units still subject to restriction shall be forfeited.
(ii)Upon the Employee’s Termination of Employment during the Restriction Period due to the Employee’s death, Disability or Retirement, the restrictions applicable to the Restricted Stock Units shall lapse, and such Restricted Stock Units shall become free of all restrictions and become fully vested.
(iii)Upon the Employee’s Termination of Employment during the Restriction Period by the Company as a result of redundancy, the Employee shall vest in a number of Restricted Stock Units subject to each tranche that has not vested as of the date of the Termination of Employment equal to the product of (x) the number of Restricted Stock Units subject to such tranche that has not vested as of the date of the Termination of Employment and (y) a fraction, the numerator of which is the number of full and partial months that have lapsed from the Grant Date until the date of the Termination of Employment and the denominator of which is the total number of months in the Restriction Period applicable to such tranche. The benefits described this Section 1(c)(iii) shall also apply upon a Termination of Employment by the Employee for Good Reason if the Company has entered into a separate written agreement with the Employee providing for payments upon a Termination of Employment for Good Reason not upon or following a Change in Control, in which case “Good Reason” shall have the meaning ascribed to such term (or a similar term) in such agreement; provided, that, if the Employee is eligible for Retirement at the time of Termination of Employment by the Employee for Good Reason, the vesting of such Employee’s Restricted Stock Units shall be governed by Section 1(c)(ii) above.
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(iv)For purposes of this Agreement and notwithstanding section 1(gg) of the Plan or section 1.1 of the Sub-plan, “Retirement” shall mean the Employee’s Termination of Employment where the Employee ceases employment with the intention of ceasing to do any further work and on a date that has been agreed by both the Company (or an Affiliate employer) and the Employee in writing in advance in compliance with the legal requirements of the jurisdiction in which the Employee is employed; provided, however, that if, on such agreed-upon date, there is a basis for the Company or an Affiliate employer to terminate the employment of the Employee for Cause, then such voluntary cessation of employment by the Employee shall not constitute “Retirement” for purposes of this Agreement.
(v)For purposes of this Agreement, employment with the Company shall include an office or employment with the Company, its Affiliates and their successors. Nothing in this Agreement, the Sub-plan or the Plan shall confer upon the Employee any right to continue in the employment of, or holding an office with, the Company or any of its Affiliates or interfere in any way with the right of the Company or any Affiliate to terminate the Employee’s office or employment at any time.
2.Settlement of Units.
Subject to Section 8 (pertaining to the withholding of taxes), as soon as practicable after the date on which the Restriction Period expires, and in no event later than 30 days after such date, the Company shall deliver to the Employee or his or her personal representative, in book-position or certificate form, one Share that does not bear any restrictive legend making reference to this Agreement for each Share subject to the Restricted Stock Unit. Notwithstanding the foregoing, the Company shall be entitled to hold the Shares issuable upon settlement of Restricted Stock Units that have vested until the Company shall have received from the Employee a duly executed Form W-9 or W-8, as applicable.
3.Nontransferability of the Restricted Stock Units.
During the Restriction Period and until such time as the Restricted Stock Units are ultimately settled as provided in Section 2 above, the Restricted Stock Units and Shares covered by the Restricted Stock Units shall not be transferable by the Employee by means of sale, assignment, exchange, encumbrance, pledge, hedge or otherwise; provided, however, that nothing in this Section 3 shall prevent transfers by will or by the applicable laws of descent and distribution. Any purported or attempted transfer of such Restricted Stock Units or Shares in contravention of this Section 3 shall be null and void.
4.Rights as a Stockholder.
The Employee shall not be entitled to any rights of a stockholder with respect to the Restricted Stock Units (including, without limitation, any voting rights); provided that with respect to any dividends paid on Shares while the Restricted Stock Units remain outstanding, such dividends will be notionally accounted for and shall vest and be settled in cash at such time as the underlying Restricted Stock Units vest and are settled.
5.Adjustment; Change in Control.
In the event of certain transactions during the Restriction Period, the Restricted Stock Units shall be subject to adjustment as provided in Section 3(d) of the Plan or any applicable successor provision under the Plan. Notwithstanding anything in Section 1 to the contrary: (a) upon the occurrence of a Change in Control, unless a Replacement Award is granted in respect of the Restricted Stock Units (in which case this clause (a) shall not apply), the restrictions applicable to the Restricted Stock Units shall lapse and such Restricted Stock Units shall become free of all restrictions and fully vested as of such Change in Control and shall be settled as soon as practicable following the date of such Change in Control (but not later than 30 days thereafter); and (b) if a Replacement Award is granted in respect of the Restricted Stock Units in connection with such Change in Control, upon a Termination of Employment of the Employee occurring upon or during the two years immediately following the date of such Change in Control by reason of death, Disability or Retirement, by the Company without Cause, or by the Employee for Good Reason (as defined in the Plan, except that if the Employee is covered by a separate written plan or agreement providing for payments upon a Termination of Employment for Good Reason upon or within two years following a Change in Control, then as such term (or a similar term) is defined in such plan or agreement), the restrictions applicable to such Replacement Award, to the extent not vested as of such Termination of Employment, shall lapse, and such Replacement Award shall become free of all restrictions and fully vested and shall be settled as soon as practicable
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following the date of Termination of Employment (but not later than 30 days thereafter); provided, however, if the Employee is a citizen of the United States or otherwise subject to US Federal Income Tax in respect of the Restricted Stock Units that any Restricted Stock Units that constitute “nonqualified deferred compensation” as defined under Section 409A of the Code shall, to the extent necessary to avoid the imposition of penalty taxes under Section 409A of the Code, not be so settled unless the Change in Control constitutes a “change in control event” within the meaning of Section 409A of the Code (it being understood that nothing in this Section 5 shall preclude the Company from settling upon a Change in Control any Restricted Stock Units that are not replaced by a Replacement Award, to the extent effectuated in accordance with Treasury Reg. § 1.409A-3(j)(4)(ix) if the Employee is a citizen of the United States or otherwise subject to US Federal Income Tax in respect of the Restricted Stock Units).
6.Payment of Transfer Taxes, Fees and Other Expenses.
The Company agrees to pay any and all original issue taxes and stock transfer taxes that may be imposed on the issuance of shares received by an Employee in connection with the Restricted Stock Units, together with any and all other fees and expenses necessarily incurred by the Company in connection therewith.
7.Other Restrictions.
(a)The Restricted Stock Units shall be subject to the requirement that, if at any time the Committee shall determine that (i) the listing, registration or qualification of the Shares related thereto upon any securities exchange or under any applicable law is required, or (ii) the consent or approval of any government regulatory body is required, then in any such event, the grant of Restricted Stock Units shall not be effective unless such listing, registration, qualification, consent or approval shall have been effected or obtained free of any conditions not acceptable to the Committee.
(b)If the Employee is an insider as described under the Company’s Insider Trading Policy (as in effect from time to time and any successor policies), the Employee shall be required to obtain pre-clearance from the General Counsel or Securities Counsel of the Company prior to purchasing or selling any of the Company’s securities, including any shares issued upon vesting of the Restricted Stock Units, and may be prohibited from selling such securities other than during an open trading window. The Employee further acknowledges that, in its discretion, the Company may prohibit the Employee from selling such securities even during an open trading window if the Company has concerns over the potential for insider trading.
8.Taxes and Withholding.
(a)    The Employee irrevocably undertakes to:
(i)    pay to the Company, his or her employer or former employer (as appropriate) the amount of any Tax Liability; or
(ii)    enter into arrangements to the satisfaction of the Company, his or her employer or former employer (as appropriate) for payment of any Tax Liability.
(b)    The Employee irrevocably undertakes that, at the request of the Company, his or her employer or former employer, the Employee shall join that person in making a valid election to transfer to the Employee the whole or any part of the liability for employer national insurance contributions (or any similar liability for social security contribution in any jurisdiction) which:
(i)    the Company or any employer (or former employer) of the Employee may become liable to pay as a result of any Taxable Event; and
(ii)    may be lawfully transferred from the Company or any employer (or former employer) to the Employee.
(c)    If required to do so by the Company, the Employee irrevocably undertakes, in relation to any Shares delivered to the Employee pursuant to Section 2, to enter into a joint election under section 431(1) or section 431(2) of the Income Tax (Earnings and Pensions) Act 2003 of the United Kingdom before the date falling 14 days after the Employee acquires the
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relevant Shares. The Employee hereby appoints the Company (acting by any of its directors or officers from time to time) as his or her agent to execute any joint election required to be entered into under this Section in the name and on behalf of the Employee.
(d)    The obligations of the Company under this Agreement shall be conditioned on compliance by the Employee with this Section 8, and the Company shall not deliver Shares in respect of the Restricted Stock Units unless and until the Employee has made arrangements satisfactory to the Committee to satisfy his or her obligations under this clause. Unless the Employee pays the Tax Liability to the Company, employer or former employer by cash or cheque, withholding may be effected, at the Company’s option, by withholding Shares issuable in connection with the Restricted Stock Units (provided that the Shares may be withheld only to the extent that such withholding will not result in adverse accounting treatment for the Company). The Employee acknowledges that the Company, the employer and any former employer have the right to deduct any taxes required to be withheld by law in connection with the Restricted Stock Units from any amounts payable by it to the Employee (including, without limitation, future cash wages). The Employee’s obligations under Section 8(a) shall not be affected by any failure of the Company or employer or former employer to withhold shares or deduct from payments of remuneration under this Section 8(d).
(e)    In this Section 8 references to “employer” and “former employer” include a company of which the Employee is a director or other officer (or any company of which the Employee was formerly a director or other officer).
9.Confidentiality; Non-Competition; Non-Solicitation; Non-Disparagement.
(a)The Employee acknowledges that during the course of employment or engagement with the Company and its Affiliates the Employee has received and will continue to have access and exposure to secret and proprietary information, including but not limited to information about the Company’s and its Affiliates’ business, business practices and processes, customers, and prospective customers, the value of which is derived in part from the fact that the information is not generally known to the public (“Confidential Information”). The Employee acknowledges that the Company and its Affiliates have spent significant time, effort and resources protecting the Confidential Information and that the Confidential Information has contributed to customer goodwill and is of significant competitive value to the Company and its Affiliates in the businesses in which they compete, and that the use or disclosure, even if inadvertent, of the Confidential Information to or for the benefit of a competitor would cause significant damage to the legitimate business interests of the Company and its Affiliates. Accordingly, in order to protect the legitimate business and customer goodwill interests of the Company and its Affiliates, to protect the Confidential Information against inappropriate use or disclosure, and in consideration of the grant of and the opportunity to vest in the Restricted Stock Units in accordance with the provisions of this Agreement, the Employee hereby covenants and agrees to comply with the confidentiality, non-competition, non-solicitation and non-disparagement provisions set forth in this Section 9(a) (collectively, the “RSU Restrictions”). Except to the extent expressly provided otherwise below, the Employee agrees to comply with the RSU Restrictions for the period commencing on the Grant Date and extending through the date that is 12 months following the earlier of: (i) Employee’s Termination of Employment for any reason or (ii) the last day on which the Employee carried out any duties for the Company and its Affiliates (such period, the “RSU Restricted Period”).
(i)The Employee will use Confidential Information gained during employment or engagement with the Company or any Affiliate for the benefit of the Company only and, without the prior written consent of the Company, shall not, at any time during the RSU Restricted Period or thereafter, directly or indirectly, divulge, reveal or communicate any Confidential Information to any person or entity whatsoever, or use any Confidential Information for the Employee’s own benefit or for the benefit of others, other than as required by law or legal process. For purposes of the foregoing, Confidential Information shall not include information that was or is available to the Employee on a non-confidential basis from a source other than the Company or becomes generally available to the public, other than as a result of disclosure by the Employee.
(ii)The Employee shall not, at any time during the RSU Restricted Period, without the prior written consent of the Company, directly or indirectly, own, manage, operate, join, control, or participate in the ownership, management, operation or control of, or be employed by, consult with, render services for, or be connected in any other manner with, any Competing Business, whether for compensation or otherwise. For the purposes of this Agreement, a “Competing Business” shall be any business in the United Kingdom which is engaged in the sale or provision of employee benefits or other products or services of the type offered by the Company or its Affiliates (including, without limitation, disability, life, accident, critical illness, hospital indemnity, dental, and vision insurance products; leave and absence management support services; and
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behavioral health services), unless the Employee’s primary duties and responsibilities with respect to such business are: (i) not related to the management, operation or provision of such products or services; or (ii) related to the management, operation or provision of such products or services in territories in which the Employee was neither involved nor concerned during the 12 months prior to the Employee’s Termination of Employment or about which the Employee was not in possession of Confidential Information as at the date of such termination; or (iii) related to the management, operation or provision of products or services with which the Employee was neither involved nor concerned during the 12 months prior to the Employee’s Termination of Employment or about which the Employee was not in possession of Confidential Information as at the date of such termination. Notwithstanding the requirements of this paragraph, the Employee shall not be prohibited from owning less than 1% of any publicly traded corporation, whether or not such corporation is deemed to be a Competing Business.
(iii)The Employee shall not, at any time during the RSU Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, solicit, assist, or induce any Covered Employee to terminate his or her relationship with the Company or its Affiliates (regardless of who first initiates the communication), or help another person or entity evaluate any Covered Employee as an employment candidate, or offer to employ, call on, or actively interfere with the Company’s or any Affiliate’s relationship with any Covered Employee, provided that this paragraph shall not prohibit general solicitations in the form of classified advertisements or the like in newspapers, on the internet, or in other media. For purposes of this Agreement, “Covered Employee” means an individual who is an employee, representative, or officer of the Company or any Affiliate at the time of the solicitation, assistance or inducement or as of the date of the Employee’s Termination of Employment and who was employed in a senior, technical, management or research capacity or who was otherwise in possession of Confidential Information and, in each case, who was supervised by or worked with the Employee during the 12 months prior to the Employee’s Termination of Employment.
(iv)The Employee shall not, at any time during the RSU Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, use any Confidential Information solicit or accept any business from any customers of the Company or any Affiliate, or any broker with regard to customers of the Company or any Affiliate (regardless of who first initiates the communication), whom the Employee serviced, solicited or had contact on behalf of the Company or any Affiliate during the 12 months prior to the commencement of the RSU Restricted Period.
(v)The Employee shall not, at any time during the RSU Restricted Period, directly or indirectly, disparage or make any statement, oral or written, public or in private, which is reasonably foreseeable as harming the Company’s or any Affiliate’s business interests or impacts negatively on the Company’s or any Affiliate’s business reputation or reputation in the community. Nothing in this paragraph will be construed to prevent the Employee from communicating with or responding to a request for information from a federal, state, administrative agency or court.
(b)Any termination of the Employee’s employment or the termination or expiration of this Agreement shall have no effect on the continuing operation of this Section 9.
(c)The terms and provisions of this Section 9 are intended to be separate and divisible provisions and if, for any reason, any one or more of them is held to be invalid or unenforceable, neither the validity nor the enforceability of any other provision of this Agreement shall thereby be affected. The parties hereto acknowledge that the potential restrictions on the Employee’s future employment imposed by this Section 9 are reasonable in both duration and geographic scope and in all other respects. If for any reason any court of competent jurisdiction shall find any provisions of this Section 9 unreasonable in duration or geographic scope or otherwise, the Employee and the Company agree that the restrictions and prohibitions contained herein shall be effective to the fullest extent allowed under applicable law in such jurisdiction.
(d)The Employee acknowledges and agrees that any breach or threatened breach of the RSU Restrictions will result in substantial, continuing and irreparable injury to the Company and/or its Affiliates. Therefore, in addition to any other remedy that may be available to the Company and/or its Affiliates, the Company and/or its Affiliates shall be entitled to equitable and/or injunctive relief to prevent any breach or threatened breach of such provisions, and to specific performance of each of the terms thereof in addition to any other legal or equitable remedies that the Company or any Affiliate may have.
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10.Privacy and data protection
(a)    The Employee consents to the Company, Subsidiaries and Affiliates holding and processing information about the Employee for legal, personnel, administrative and management purposes and, in particular, holding and processing: (i) health records and any medical reports to monitor sick leave and sick pay, to administer benefits and take decisions as to the Employee’s fitness to work or the need for adjustments in the workplace; (ii) information required to carry out performance reviews, disciplinary and grievance procedures, internal investigations and considering reports (which may be submitted anonymously) under any whistle-blowing procedure; (iii) any information relating to criminal proceedings in which the Employee has been involved; and (iv) to comply with legal requirements and obligations to third parties (“Personal Data”). The Employee agree that the Company may make the Personal Data available to Subsidiaries and Affiliates, those who provide products or services to the Company, Subsidiaries and Affiliates (such as advisers and payroll administrators), regulatory authorities, potential or future employers, governmental or quasi-governmental organisations, current or potential investors and potential purchasers of the Company, Subsidiaries, Affiliates or the business in which the Employee works.
(b)    The Employee consents to the transfer of Personal Data to the Company and to any Subsidiary or Affiliate established outside the European Economic Area, and in particular to the United States. The Employee acknowledges that these countries may not have laws in place to adequately protect the Employee’s privacy. The Employee confirms that he or she understands that all communications (whether by telephone, email or any other means) which are transmitted, undertaken or received using property of the Company or any Subsidiary or Affiliate or on the premises of the Company or any Subsidiary or Affiliate will be treated as work related and are subject to occasional interception, recording and monitoring without further notice. The Employee confirms that he or she does not regard any such communications as private and consents to such interception, recording and monitoring. Interception, recording and monitoring of communications is intended to protect the business interests of the Company and its Subsidiaries and Affiliates (for example, but without limitation, for the purposes of quality control, security of communication and IT systems, record-keeping and evidential requirements, detection and prevention of criminal activity or misconduct and to assist the Company and its Subsidiaries and Affiliates to comply with relevant legal requirements). The Employee acknowledges that intercepted communications may be used as evidence in any disciplinary or legal proceedings.
THE EMPLOYEE CONFIRMS THAT HE OR SHE HAS READ, UNDERSTOOD AND AGREED TO THE PROVISIONS OF THIS SECTION 10 OF HIS OR HER OWN FREE WILL.
11.Notices.
All notices and other communications under this Agreement shall be in writing and shall be given by hand delivery to the other party or by facsimile, courier, or registered airmail (postage prepaid) addressed as follows:
If to the Employee:
At the most recent address on file at the Company
If to the Company:
Unum Group
1 Fountain Square
Chattanooga, Tennessee 37402
Attention: Executive Compensation, Human Resources
or to such other address or facsimile number as any party shall have furnished to the other in writing in accordance with this Section 11. Notices and communications shall be effective when actually received by the addressee. Notwithstanding the foregoing, the Employee consents to electronic delivery of documents required to be delivered by the Company under the securities laws.
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12.Effect of Agreement.
(a)    This Agreement is personal to the Employee and, without the prior written consent of the Company, shall not be assignable by the Employee otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Employee’s legal representatives. This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns.
(b)    A person who is not a party to this Agreement shall not have any rights under or in connection with it, except where such rights arise as a result of this Agreement for the Company or any employer or former employer of the Employee. The rights of the Employee to surrender, terminate or rescind this Agreement, or agree any variation, waiver or settlement of it, are not subject to the consent of any other person.
13.Laws Applicable to Construction; Consent to Jurisdiction.
(a)    The interpretation, performance and enforcement of this Agreement (including non-contractual disputes or claims) shall be governed and construed by the laws of the State of Delaware without reference to principles of conflict of laws, as applied to contracts executed in and performed wholly within the State of Delaware. The parties agree that the courts of the State of Delaware shall have non-exclusive jurisdiction to settle any dispute or claim arising out of or in connection with this deed or its subject matter or formation (including non-contractual disputes or claims).
(b)    The Parties irrevocably consent to any process in any legal action or proceedings under this Section 13 being served on it in accordance with the provisions of this Agreement relating to service of notices. Nothing contained in this Agreement shall affect the right to serve process in any other manner permitted by law.
(c)    In addition to the terms and conditions set forth in this Agreement, the Restricted Stock Units are subject to the terms and conditions of the Plan and the Sub-plan, which are hereby incorporated by reference.
14.Severability.
The invalidity or enforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement.
15.Conflicts and Interpretation.
In the event of any conflict between this Agreement, the Plan or the Sub-plan, the Sub-plan shall control. In the event of any ambiguity in this Agreement, or any matters as to which this Agreement is silent, the Sub-plan shall govern including, without limitation, the provisions thereof pursuant to which the Committee has the power, among others, to (a) interpret the Plan, (b) prescribe, amend and rescind rules and regulations relating to the Plan and Sub-plan, and (c) make all other determinations deemed necessary or advisable for the administration of the Plan and Sub-plan. The Employee hereby acknowledges that a copy of the Plan and the Sub-plan has been made available to the Employee and agrees to be bound by all the terms and provisions thereof. The Employee and the Company each acknowledge that this Agreement (together with the Plan and the Sub-plan) constitutes the entire agreement and supersedes all other agreements and understandings, both written and oral, between the parties or either of them, with respect to the subject matter hereof.
16.Amendment.
The Company may modify, amend or waive the terms of the Restricted Stock Unit award, prospectively or retroactively, but no such modification, amendment or waiver shall materially impair the rights of the Employee without his or her consent, except as required by applicable law, stock exchange rules, tax rules or accounting rules. The waiver by either party of compliance with any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this Agreement, or of any subsequent breach by such party of a provision of this Agreement.
17.Section 409A.
It is the intention of the Company that the Restricted Stock Units awarded to an Employee who is a citizen of the United States of America or otherwise subject to United States Federal Income Tax shall either (a) not constitute “nonqualified
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deferred compensation” as defined under Section 409A of the Code, or (b) comply in all respects with the requirements of Section 409A of the Code and the regulations promulgated thereunder, such that no delivery of or failure to deliver Shares pursuant to this Agreement will result in the imposition of taxation or penalties as a consequence of the application of Section 409A of the Code. Restricted Stock Units that (i) constitute “nonqualified deferred compensation” as defined under Section 409A of the Code and (ii) vest as a consequence of the Employee’s termination of employment shall not be delivered until the date that the Employee incurs a “separation from service” within the meaning of Section 409A of the Code (or, if the Employee is a “specified employee” within the meaning of Section 409A of the Code and the regulations promulgated thereunder, the date that is six months following the date of such “separation from service”). If the Company determines after the Grant Date that an amendment to this Agreement is necessary to ensure the foregoing, it may make such an amendment, notwithstanding Section 15 above, effective as of the Grant Date or any later date, without the consent of the Employee.
18.Headings.
The headings of Sections herein are included solely for convenience of reference and shall not affect the meaning or interpretation of any of the provisions of this Agreement.
19.Counterparts.
This Agreement may be executed in counterparts, which together shall constitute one and the same original.
20.Terms of Office or Employment.
(a)    The Employee acknowledges and undertakes that:
(i)    subject to Section 9, his or her rights and obligations as an employee or director of the Company or any of its Affiliates shall not be affected by grant of the Restricted Stock Unit award or the delivery of Shares pursuant to such award; and
(ii)    subject to Section 4, the grant of the Restricted Stock Unit award or the delivery of Shares pursuant to such units gives the Employee no right or expectation to receive further opportunities to acquire Shares, except for any rights which might be available to shareholders as such.
(b)    The Employee irrevocably waives any rights that may arise to compensation or damages on account of any loss in respect of the Restricted Stock Unit award or the delivery of Shares pursuant to such award where such loss arises (or is claimed to arise), in whole or in part, from:
(i)    termination of the Employee’s office or employment with; or
(ii)    notice to terminate the Employee’s office or employment given by or to,
the Company, any Affiliate or former Affiliate. This waiver shall apply however termination of office or employment, or the giving of notice, is caused, and however compensation or damages may be claimed.
(c)    The Employee irrevocably waives any rights to compensation or damages that may arise on account of any loss in respect of the Restricted Stock Unit award or the delivery of Shares pursuant to such award where such loss arises (or is claimed to arise), in whole or in part, from:
(i)    any company which employs the Employee, or in which the Employee holds office, ceasing to be an Affiliate of the Company; or
(ii)    the transfer of the business in which the Employee is employed from the Company (or any Affiliate of it) to any person which is not the Company (or an Affiliate of it).
This waiver shall apply however the change of status of the relevant company, or the transfer of the relevant business, is caused, and however compensation or damages may be claimed.
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21.Clawback.
Notwithstanding any provisions in this Agreement to the contrary, the Employee hereby acknowledges and agrees that any Shares or other amounts paid or provided to the Employee pursuant to this Agreement (including any gains realized on Shares issued pursuant to this Agreement), which Shares or amounts are subject to recovery for any reason under any law, government regulation, stock exchange listing requirement, or any policy adopted by the Company from time to time, will be subject to all applicable deductions and clawback pursuant to such law, government regulation, stock exchange listing requirement, or policy as in effect from time to time. For purposes of the foregoing, the Employee expressly and explicitly authorizes (a) the Company to issue instructions, on Employee’s behalf, to any brokerage firm and/or third party administrator engaged by the Company to hold Employee’s Shares and other amounts acquired under the Plan to re-convey, transfer or otherwise return such Shares and/or other amounts to the Company and (b) the Company’s recovery of any covered compensation under such law, government regulation, stock exchange listing requirement, or policy through any method of recovery that the Company deems appropriate, including without limitation by reducing any amount that is or may become payable to the Employee, whether in the form of wages, severance, vacation pay or any other benefit or for any other reason.
22.Disclosures.
Nothing in this Agreement shall be construed to restrict the Employee’s ability to make a confidential disclosure of any trade secret or other confidential information, without notice to or approval by the Company, to a government official or an attorney for the sole purpose of reporting or assisting in the investigation of a suspected violation of law and the Employee shall not be held liable under this Agreement or under any federal or state trade secret law for any such disclosure.
23.Foreign Jurisdictions.
This Agreement shall be construed, interpreted and applied in such a manner as shall be necessary to comply with any legal or regulatory requirements of any jurisdiction to which the Employee is or becomes subject. The Company hereby delegates to each of the officers of the Company the authority for the interpretation of such matters, whose interpretations shall be final, binding and conclusive on the Employee and all individuals claiming any rights or benefits hereunder.

[Signature Page Follows]
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IN WITNESS WHEREOF, as of the date first above written, the Company has caused this Agreement to be executed on its behalf by a duly authorized officer and the Employee has hereunto set the Employee’s hand.
Date: [Acceptance Date]    
EMPLOYEE: [Participant Name]
[Electronic Signature]
UNUM GROUP
By:
[Authorized Signature]
[Name]
[Title]
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 EX-10.45 6 unm123124ex1045.htm EX-10.45 Document
Exhibit 10.45
CASH INCENTIVE UNIT AGREEMENT
(Unum Group 2022 Stock Incentive Plan)
THIS AGREEMENT (this “Agreement”), dated as of [Grant Date], is entered into by and between Unum Group, a Delaware corporation (the “Company”), and [Participant Name] (the “Employee”).
W I T N E S S E T H
In consideration of the mutual promises and covenants made herein and the mutual benefits to be derived herefrom, the parties hereto agree as follows:
1.Grant, Vesting and Forfeiture of Cash Incentive Units.
(a)Grant. Subject to the provisions of this Agreement and to the provisions of the Unum Group 2022 Stock Incentive Plan (as the same may be amended, the “Plan”), the Company hereby grants to the Employee, as of [Grant Date] (the “Grant Date”), [Number Granted] Cash Incentive Units (the “Cash Incentive Units”), each of which shall be deemed a Performance Unit under the Plan, representing a right to receive $1.00. All capitalized terms used herein, to the extent not defined, shall have the meaning set forth in the Plan.
(b)Earning Cash Incentive Units/Performance Period.
(i)Earning Cash Incentive Units. Subject to Section 1(b)(ii) and 1(c) below, the Employee shall earn up to 200% of the Cash Incentive Units as determined in accordance with Schedule A on the date that the Committee certifies as to such determination (including the performance calculations described in Schedule A), which date shall be no later than two and a half months after the end of the performance period extending from January 1, [Year] to December 31, [Year+2], inclusive (the “Performance Period”).
(ii)Performance Period. Subject to the terms and conditions of this Agreement, the Cash Incentive Units earned pursuant to Section 1(b)(i) shall vest and no longer be subject to any restriction upon the expiration of the Performance Period.
(c)Termination of Employment.
(i)General. Upon the Employee’s Termination of Employment during the Performance Period for (A) Cause or (B) any other reason except as specified in Section 1(c)(ii) or 1(c)(iii) below, all Cash Incentive Units still subject to restriction shall be forfeited.
(ii)Job Elimination or Requalification; Good Reason. In the event of the Employee’s Termination of Employment during the Performance Period by the Company as a result of job elimination or requalification, the Employee shall earn a number of Cash Incentive Units equal to the product of (x) the number of Cash Incentive Units determined in accordance with Section 1(b)(i) and (y) a fraction, the numerator of which is the number of full and partial months that have lapsed from the first day of the Performance Period until the date of the Termination of Employment and the denominator of which is the total number of months in the Performance Period; provided, that, in the case of the Employee’s Termination of Employment under such circumstances, the Employee does not breach the CIU Restrictions (as defined in Section 5 below) and the Employee executes and submits to the Company within 10 business days following the last day of each year following such Termination of Employment during the Restricted Period (as defined in Section 5 below) a certification in the form provided to the Employee by the Company that states that the Employee has adhered to and complied with the CIU Restrictions (the “Certification”). Such Cash Incentive Units shall be settled at such time as the Cash Incentive Units would be settled in accordance with Section 2. For the avoidance of doubt, in the event that the Employee incurs a Termination of Employment during the Performance Period by the Company as a result of job elimination or requalification and the Employee fails to comply with the CIU Restrictions or fails to execute and submit each required Certification, the Cash Incentive Units will be forfeited. The benefits and conditions (including the obligations to adhere to and comply with the CIU Restrictions and the requirement to execute and submit the Certifications) described in this Section 1(c)(ii) shall also apply upon a Termination of Employment by the Employee for Good Reason if the Company has entered into a separate written agreement with the Employee providing for payments upon a Termination of Employment for Good Reason not upon or following a Change in
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Control, in which case “Good Reason” shall have the meaning ascribed to such term (or a similar term) in such agreement; provided, that, if the Employee is eligible for Retirement at the time of the Employee’s Termination of Employment by the Employee for Good Reason, the vesting of such Employee’s Cash Incentive Units shall be governed by Section 1(c)(iii) below.
(iii)Retirement/Death/Disability; Retirement Definition. In the event of the Employee’s Termination of Employment during the Performance Period due to the Employee’s death, Disability or Retirement, the Employee shall earn a number of Cash Incentive Units equal to the number of Cash Incentive Units determined in accordance with Section 1(b)(i), assuming that the Employee had remained employed through the Performance Period; provided, that, in the case of the Employee’s Retirement or Disability, the Employee does not breach the CIU Restrictions and the Employee (or in the case of the Employee’s Disability, the Employee’s legal representative on behalf of the Employee, if applicable) executes and submits to the Company within 10 business days following the last day of each year during the Restricted Period following such Termination of Employment the Certification. Such Cash Incentive Units shall be settled at such time as the Cash Incentive Units would be settled in accordance with Section 2. For the avoidance of doubt, in the event that the Employee incurs a Termination of Employment during the Performance Period due to the Employee’s Retirement or Disability and the Employee fails to comply with the CIU Restrictions or fails to execute and submit each required Certification, the Cash Incentive Units will be forfeited. For purposes of this Agreement and notwithstanding section 1(gg) of the Plan, “Retirement” shall mean the Employee’s Termination of Employment at a time when the sum of the Employee’s age and continuous years of service equals or exceeds 65, with a minimum age of 55 and a minimum of five years of continuous service, if such Termination of Employment is approved as a “Retirement” by (1) the Committee in the case of an Employee who is subject to Section 16 of the Exchange Act, or (2) the Chief Executive Officer or Executive Vice President, People and Communications, in the case of all other individuals; provided, however, that if, on the approved date of the Employee’s Termination of Employment due to Retirement, there is a basis for the Company or an Affiliate employer to terminate the employment of the Employee for Cause, then such voluntary cessation of employment by the Employee shall not constitute “Retirement” for purposes of this Agreement. Notwithstanding the foregoing or section 1(gg) of the Plan, in the event that Employee is subject to the laws of a foreign jurisdiction where the above definition would violate applicable law, “Retirement” shall mean the Employee’s Termination of Employment where the Employee ceases employment with the intention of ceasing to do any further work and on a date that has been agreed by both the Company (or an Affiliate employer) and the Employee in writing in advance in compliance with such local legal requirements; provided, however, that if, on such agreed-upon date, there is a basis for the Company or an Affiliate employer to terminate the employment of the Employee for Cause, then such voluntary cessation of employment by the Employee shall not constitute “Retirement” for purposes of this Agreement.
(iv)Employment. For purposes of this Agreement, employment with the Company shall include employment with the Company’s Affiliates and successors. Nothing in this Agreement or the Plan shall confer upon the Employee any right to continue in the employ of the Company or any of its Affiliates or interfere in any way with the right of the Company or any such Affiliates to terminate the Employee’s employment at any time.
2.Settlement of Units.
Subject to Section 7 (pertaining to the withholding of taxes), and except as otherwise provided in Section 6, as soon as practicable after the date on which the Performance Period expires and the Committee certifies as to the determination of the number of earned Cash Incentive Units, and in no event later than two and a half months after the end of the Performance Period, the Company shall deliver to the Employee or his or her personal representative a lump sum amount equal to $1.00 for each Cash Incentive Unit earned pursuant to this Agreement.
3.Nontransferability of the Cash Incentive Units.
The Cash Incentive Units shall not be transferable by the Employee by means of sale, assignment, exchange, encumbrance, pledge, hedge or otherwise; provided, however, that nothing in this Section 3 shall prevent transfers by will or by the applicable laws of descent and distribution. Any purported or attempted transfer of such Cash Incentive Units in contravention of this Section 3 shall be null and void.
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4.Rights as a Stockholder.
The Employee shall not be entitled to any rights of a stockholder with respect to the Cash Incentive Units (including, without limitation, any voting or dividend rights).
5.Confidentiality; Non-Competition; Non-Solicitation; Non-Disparagement.
(a)The Employee acknowledges that during the course of employment or engagement with the Company and its Affiliates the Employee has received and will continue to have access and exposure to secret and proprietary information, including but not limited to information about the Company’s and its Affiliates’ business, business practices and processes, customers, and prospective customers, the value of which is derived in part from the fact that the information is not generally known to the public (“Confidential Information”). The Employee acknowledges that the Company and its Affiliates have spent significant time, effort and resources protecting the Confidential Information and that the Confidential Information has contributed to customer goodwill and is of significant competitive value to the Company and its Affiliates in the businesses in which they compete, and that the use or disclosure, even if inadvertent, of the Confidential Information to or for the benefit of a competitor would cause significant damage to the legitimate business interests of the Company and its Affiliates. Accordingly, in order to protect the legitimate business and customer goodwill interests of the Company and its Affiliates, to protect the Confidential Information against inappropriate use or disclosure, and in consideration of the grant of and the opportunity to earn the Cash Incentive Units in accordance with the provisions of this Agreement, the Employee hereby covenants and agrees to comply with the confidentiality, non-competition, non-solicitation and non-disparagement provisions set forth in this Section 5(a) (collectively, the “CIU Restrictions”). Except to the extent expressly provided otherwise below, the Employee agrees to comply with the CIU Restrictions for the period commencing on the Grant Date and extending through the later of (1) the expiration of the Performance Period, in the event of the Employee’s Termination of Employment during the Performance Period (A) by the Company as a result of job elimination or requalification, (B) by the Employee for Good Reason (if the Company has entered into a separate written agreement with the Employee providing for payments upon a Termination of Employment for Good Reason not following a Change in Control), or (C) due to the Employee’s Retirement or Disability and (2) the date that is 12 months following the Employee’s Termination of Employment for any reason (such period, the “Restricted Period”).
(i)The Employee will use Confidential Information gained during employment or engagement with the Company or any Affiliate for the benefit of the Company only and, without the prior written consent of the Company, shall not, at any time during the Restricted Period or thereafter, directly or indirectly, divulge, reveal or communicate any Confidential Information to any person or entity whatsoever, or use any Confidential Information for the Employee’s own benefit or for the benefit of others, other than as required by law or legal process. For purposes of the foregoing, Confidential Information shall not include information that was or is available to the Employee on a non-confidential basis from a source other than the Company or becomes generally available to the public, other than as a result of disclosure by the Employee.
(ii)The Employee shall not, at any time during the Restricted Period, without the prior written consent of the Company, directly or indirectly, own, manage, operate, join, control, or participate in the ownership, management, operation or control of, or be employed by, consult with, render services for, or be connected in any other manner with, any Competing Business, whether for compensation or otherwise. For the purposes of this Agreement, a “Competing Business” shall be any business in the United States which is engaged in the sale or provision of employee benefits or other products or services of the type offered by the Company or its Affiliates (including, without limitation, disability, life, accident, critical illness, hospital indemnity, dental, and vision insurance products; leave and absence management support services; and behavioral health services), unless the Employee’s primary duties and responsibilities with respect to such business are not related to the management, operation or provision of such products or services. Notwithstanding the requirements of this paragraph, the Employee shall not be prohibited from owning less than 1% of any publicly traded corporation, whether or not such corporation is deemed to be a Competing Business.
(iii)The Employee shall not, at any time during the Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, solicit, assist, or induce any Covered Employee to terminate his or her relationship with the Company or its Affiliates (regardless of who first initiates the communication), or help another person or entity evaluate any Covered Employee as an employment candidate, or offer to employ, call on, or actively interfere with the Company’s or any Affiliate’s
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relationship with any Covered Employee, provided that this paragraph shall not prohibit general solicitations in the form of classified advertisements or the like in newspapers, on the internet, or in other media. For purposes of this Agreement, “Covered Employee” means an individual who is an employee, representative, or officer of the Company or any Affiliate at the time of the solicitation, assistance, or inducement or as of the date of the Employee’s Termination of Employment.
(iv)The Employee shall not, at any time during the Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, use any Confidential Information to solicit or accept any business from any customers of the Company or any Affiliate, or any broker with regard to customers of the Company or any Affiliate (regardless of who first initiates the communication), whom the Employee serviced, solicited or had contact with while employed or engaged by the Company or any Affiliate.
(v)The Employee shall not, at any time during the Restricted Period, directly or indirectly, disparage or make any statement, oral or written, public or in private, which is reasonably foreseeable as harming the Company’s or any Affiliate’s business interests or impacts negatively on the Company’s or any Affiliate’s business reputation or reputation in the community. Nothing in this paragraph will be construed to prevent the Employee from (x) truthfully communicating with or responding to a request for information from a federal, state, administrative agency or court or (y) discussing or disclosing information about unlawful acts in the workplace, such as harassment or discrimination or any other conduct that the Employee has reason to believe is unlawful.
(b)Any termination of the Employee’s employment or the termination or expiration of this Agreement shall have no effect on the continuing operation of this Section 5.
(c)The terms and provisions of this Section 5 are intended to be separate and divisible provisions and if, for any reason, any one or more of them is held to be invalid or unenforceable, neither the validity nor the enforceability of any other provision of this Agreement shall thereby be affected. The parties hereto acknowledge that the potential restrictions on the Employee’s future employment imposed by this Section 5 are reasonable in both duration and geographic scope and in all other respects. If for any reason any court of competent jurisdiction shall find any provisions of this Section 5 unreasonable in duration or geographic scope or otherwise, the Employee and the Company agree that the restrictions and prohibitions contained herein shall be effective to the fullest extent allowed under applicable law in such jurisdiction.
(d)The Employee acknowledges and agrees that any breach or threatened breach of the CIU Restrictions will result in substantial, continuing and irreparable injury to the Company and/or its Affiliates. Therefore, in addition to any other remedy that may be available to the Company and/or its Affiliates, the Company and/or its Affiliates shall be entitled to equitable and/or injunctive relief to prevent any breach or threatened breach of such provisions, and to specific performance of each of the terms thereof in addition to any other legal or equitable remedies that the Company or any Affiliate may have.
6.Adjustment; Change in Control.
In the event of certain transactions during the Performance Period, the Cash Incentive Units shall be subject to adjustment as provided in Section 3(d) of the Plan or any applicable successor provision under the Plan.
Notwithstanding anything in Section 1 to the contrary, subject to Section 3(d) of the Plan or any applicable successor provision under the Plan, upon the occurrence of a Change in Control, the Cash Incentive Units shall (i) be earned as determined in accordance with Schedule A (provided that, in this event, the date of the Change in Control shall be deemed the last day of the Performance Period solely for the purpose of calculating performance as set forth in Schedule A), (ii) shall remain outstanding and shall vest and be subject to restriction until the end of the Performance Period in accordance with Section 1(b)(ii), and (iii) subject to this Section 6, shall be settled by the Company as provided in Section 2. For purposes of this Agreement, Cash Incentive Units that are deemed earned upon, and remain outstanding following a Change in Control pursuant to this Section 6, shall be referred to as “Assumed CIUs”.
Notwithstanding anything in Section 1 to the contrary, (A) upon a Termination of Employment of the Employee occurring upon or during the two years immediately following the date of a Change in Control (but prior to the settlement of the Employee’s Assumed CIUs) by reason of death, Disability or Retirement, by the Company without Cause, or by the Employee
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for Good Reason (as defined in the Plan, except that if the Employee is covered by a separate written plan or agreement providing for payments upon a Termination of Employment for Good Reason upon or within two years following a Change in Control, then as such term (or a similar term) is defined in such plan or agreement), then such Assumed CIUs shall become free of all restrictions and fully vested and shall be settled as soon as practicable following the date of Termination of Employment (but not later than 30 days thereafter); provided, however, in each case, that that any Assumed CIUs that constitute “nonqualified deferred compensation” as defined under Section 409A of the Code shall, to the extent necessary to avoid the imposition of penalty taxes under Section 409A of the Code, only be so settled if the Change in Control constitutes a “change in control event” within the meaning of Section 409A of the Code and shall otherwise only be settled on the earliest date permissible under Section 409A of the Code; (B) upon a Termination of Employment of the Employee occurring more than two years following the date of a Change in Control (but prior to the settlement of the Employee’s Assumed CIUs) by reason of death, Disability or Retirement, then such Assumed CIUs shall become free of all restrictions and fully vested and shall be settled in accordance with Section 2 hereof; and (C) upon a Termination of Employment of the Employee occurring more than two years following the date of a Change in Control (but prior to the settlement of the Employee’s Assumed CIUs) by the Company without Cause or by the Employee for Good Reason (as defined in the Plan, except that if the Employee is covered by a separate written agreement providing for payments upon a Termination of Employment for Good Reason not following a Change in Control, then as such term (or a similar term) is defined in such agreement), then a portion of such Employee’s Assumed CIUs, equal to the full value of the Assumed CIUs multiplied by a fraction, the numerator of which is the number of full and partial months that have lapsed from the first day of the Performance Period until the date of the Termination of Employment and the denominator of which is the total number of months in the Performance Period, shall become free of all restrictions and be vested and shall be settled in accordance with Section 2 hereof (for the avoidance of doubt, if an Employee who is eligible for Retirement incurs a Termination of Employment by the Company without Cause or by the Employee for Good Reason, the vesting of such Employee’s Assumed CIUs shall be governed by subsection (B) hereof). Nothing in this Section 6 shall preclude the Company from settling, upon a Change in Control, any Cash Incentive Units (to the extent effectuated in accordance with Treasury Reg. § 1.409A-3(j)(4) (ix)).
7.Taxes and Withholding.
No later than the date as of which an amount first becomes includible in the gross income of the Employee for federal, state, local or foreign income, employment or other tax purposes with respect to any Cash Incentive Units, the Employee shall pay to the Company, or make arrangements satisfactory to the Company regarding the payment of, federal, state, local and foreign taxes that are required by applicable laws and regulations to be withheld with respect to such amount. The obligations of the Company under this Agreement shall be conditioned on compliance by the Employee with this Section 7, and the Company shall, to the extent permitted by law, have the unilateral right to deduct any such taxes from any payment otherwise due to the Employee, including deducting such amount from cash payable upon settlement of the Cash Incentive Units that gives rise to the withholding requirement.
8.Notices.
All notices and other communications under this Agreement shall be in writing and shall be given by hand delivery to the other party or by facsimile, overnight courier, or registered or certified mail, return receipt requested, postage prepaid, addressed as follows:
If to the Employee:
At the most recent address
on file at the Company
If to the Company:
Unum Group
1 Fountain Square
Chattanooga, Tennessee 37402
Attention: Executive Compensation, Human Resources
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or to such other address or facsimile number as any party shall have furnished to the other in writing in accordance with this Section 8. Notices and communications shall be effective when actually received by the addressee. Notwithstanding the foregoing, the Employee consents to electronic delivery of documents required to be delivered by the Company under the securities laws.
9.Effect of Agreement.
This Agreement is personal to the Employee and, without the prior written consent of the Company, shall not be assignable by the Employee otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Employee’s legal representatives. This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns.
10.Laws Applicable to Construction; Consent to Jurisdiction.
The interpretation, performance and enforcement of this Agreement shall be governed by the laws of the State of Delaware without reference to principles of conflict of laws, as applied to contracts executed in and performed wholly within the State of Delaware. In addition to the terms and conditions set forth in this Agreement, the Cash Incentive Units are subject to the terms and conditions of the Plan, which is hereby incorporated by reference.
11.Severability.
The invalidity or enforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement.
12.Conflicts and Interpretation.
Except with regard to the definition of “Retirement” set forth in Section 1(c)(iii) hereof, in the event of any conflict between this Agreement and the Plan, the Plan shall control. In the event of any ambiguity in this Agreement, or any matters as to which this Agreement is silent, the Plan shall govern including, without limitation, the provisions thereof pursuant to which the Committee has the power, among others, to (a) interpret the Plan, (b) prescribe, amend and rescind rules and regulations relating to the Plan, and (c) make all other determinations deemed necessary or advisable for the administration of the Plan. The Employee hereby acknowledges that a copy of the Plan has been made available to him and agrees to be bound by all the terms and provisions thereof. The Employee and the Company each acknowledge that this Agreement (together with the Plan) constitutes the entire agreement and supersedes all other agreements and understandings, both written and oral, between the parties or either of them, with respect to the subject matter hereof.
13.Amendment.
The Company may modify, amend or waive the terms of the Cash Incentive Unit award, prospectively or retroactively, but no such modification, amendment or waiver shall materially impair the rights of the Employee without his or her consent, except as required by applicable law, stock exchange rules, tax rules or accounting rules. The waiver by either party of compliance with any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this Agreement, or of any subsequent breach by such party of a provision of this Agreement.
14.Section 409A.
It is the intention of the Company that the Cash Incentive Units shall either (a) not constitute “nonqualified deferred compensation” as defined under Section 409A of the Code, or (b) comply in all respects with the requirements of Section 409A of the Code and the regulations promulgated thereunder, such that no settlement of or failure to settle the Cash Incentive Units pursuant to this Agreement will result in the imposition of taxation or penalties as a consequence of the application of Section 409A of the Code. Cash Incentive Units that (i) constitute “nonqualified deferred compensation” as defined under Section 409A of the Code and (ii) vest as a consequence of the Employee’s termination of employment shall not be settled until the date that the Employee incurs a “separation from service” within the meaning of Section 409A of the Code (or, if the Employee is a “specified employee” within the meaning of Section 409A of the Code and the regulations promulgated thereunder, the date that is six months following the date of such “separation from service”). If the Company determines after the Grant Date that an
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amendment to this Agreement is necessary to ensure the foregoing, it may make such an amendment, notwithstanding Section 13 above, effective as of the Grant Date or any later date, without the consent of the Employee.
15.Headings.
The headings of Sections herein are included solely for convenience of reference and shall not affect the meaning or interpretation of any of the provisions of this Agreement.
16.Counterparts.
This Agreement may be executed in counterparts, which together shall constitute one and the same original.
17.Waiver and Release.
In consideration for the granting of the Cash Incentive Units, the Employee hereby waives any and all claims whether known or unknown that the Employee may have against the Company and its Subsidiaries and Affiliates and their respective directors, officers, shareholders, agents or employees arising out of, in connection with or related to the Employee’s employment, except for (1) claims under this Agreement, (2) claims that arise after the date hereof and obligations that by their terms are to be performed after the date hereof, (3) claims for compensation or benefits under any compensation or benefit plan or arrangement of the Company and its Subsidiaries and Affiliates, (4) claims for indemnification respecting acts or omissions in connection with the Employee’s service as a director, officer or employee of the Company or any of its Subsidiaries and Affiliates, (5) claims for insurance coverage under directors’ and officers’ liability insurance policies maintained by the Company or any of its Subsidiaries or Affiliates, (6) any right the Employee may have to obtain contribution in the event of the entry of judgment against the Company as a result of any act or failure to act for which both the Employee and the Company or any of its Subsidiaries or Affiliates are jointly responsible, or (7) claims under the California Fair Employment and Housing Act. The Employee waives any and all rights under the laws of any state (expressly including but not limited to Section 1542 of the California Civil Code), which is substantially similar in wording or effect as follows:
A general release does not extend to claims that the creditor or releasing party does not know or suspect to exist in his or her favor at the time of executing the Release and that, if known by him or her, would have materially affected his or her settlement with the debtor or released party.
This waiver specifically includes all claims under the Age Discrimination in Employment Act of 1967, as amended. The Employee acknowledges that the Employee (a) has been advised to consult an attorney in connection with entering into this Agreement; (b) has 21 days to consider this waiver and release; and (c) may revoke this waiver and release within seven days of execution upon written notice to Legal Counsel, Employment and Labor, Law Department, Unum Group, 1 Fountain Square, Chattanooga, Tennessee 37402. The waiver and release will not become enforceable until the expiration of the seven-day period. If the waiver and release is revoked during such seven-day period, the grant shall be void and of no further effect.
18.Confidentiality of Schedule A to this Agreement.
By executing this Agreement, the Employee acknowledges and agrees that the provisions of Schedule A to this Agreement shall be deemed confidential information (except with respect to information that becomes generally available to the public other than as a result of disclosure by the Employee, and then only to such extent), and that the Employee will keep confidential all such provisions and shall not disclose them, directly or indirectly, to any person other than the Employee’s legal advisor as necessary in obtaining legal advice (provided that such advisor is informed of the confidential nature of such provisions and is subject to confidentiality and non-disclosure duties or obligations with respect to such provisions that are no less restrictive than those contained in this Section) or as required by law or legal process.
19.Clawback.
Notwithstanding any provisions in this Agreement to the contrary, the Employee hereby acknowledges and agrees that any amounts paid or provided to the Employee pursuant to this Agreement, which amounts are subject to recovery for any reason under any law, government regulation, stock exchange listing requirement, or any policy adopted by the Company from
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time to time, will be subject to all applicable deductions and clawback pursuant to such law, government regulation, stock exchange listing requirement, or policy as in effect from time to time. For purposes of the foregoing, the Employee expressly and explicitly authorizes the Company’s recovery of any covered compensation under such law, government regulation, stock exchange listing requirement, or policy through any method of recovery that the Company deems appropriate, including without limitation by reducing any amount that is or may become payable to the Employee, whether in the form of wages, severance, vacation pay or any other benefit or for any other reason.
20.Disclosures.
Nothing in this Agreement (including Schedule A hereto) shall be construed to restrict the Employee’s ability to make a confidential disclosure of any trade secret or other confidential information, without notice to or approval by the Company, to a government official or an attorney for the sole purpose of reporting or assisting in the investigation of a suspected violation of law and the Employee shall not be held liable under this Agreement or under any federal or state trade secret law for any such disclosure.
21.Foreign Jurisdictions. This Agreement shall be construed, interpreted and applied in such a manner as shall be necessary to comply with any legal or regulatory requirements of any non-United States jurisdiction to which the Employee is or becomes subject. The Company hereby delegates to each of the officers of the Company the authority for the interpretation of such matters, whose interpretations shall be final, binding and conclusive on the Employee and all individuals claiming any rights or benefits hereunder. The following provisions shall also apply only with respect to non-U.S. employees:
(a)    The Employee shall have no rights under any employment agreement (or any alleged breach of it), whether on termination of his or her employment (whether lawfully or in breach) or otherwise, to any damages for breach of contract in respect of the loss of any benefits or any rights (including the grant or vesting of any incentives) that he or she may have received had he or she continued to have been employed.
(b)    By executing this Agreement, the Employee also agrees to, and shall be deemed to have provided to the Company, the data protection and monitoring acknowledgement set forth in Schedule 1 attached hereto.
IN WITNESS WHEREOF, as of the date first above written, the Company has caused this Agreement to be executed on its behalf by a duly authorized officer and the Employee has hereunto set the Employee’s hand.
Date: [Acceptance Date]    
EMPLOYEE: [Participant Name]
[Electronic Signature]
UNUM GROUP
By:
[Authorized Signature]
[Name]
[Title]
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Schedule A
Subject to the terms and conditions of the Agreement, the Employee shall earn a percentage of the Cash Incentive Units up to 200%, based on the following three steps.
First, the number of Cash Incentive Units granted as provided in Section 1(a) will be multiplied by the ratio calculated by dividing (x) the Adjusted Book Value as of the end of the Performance Period (determined as of December 31, [Year+2]) by (y) the Adjusted Book Value as of the beginning of the Performance Period (determined as of December 31, [Year-1]). As used herein, “Adjusted Book Value” means, as of any date of determination, the total stockholders’ equity of the Company and its subsidiaries, as reflected on the consolidated balance sheet of the Company and its subsidiaries at such date prepared in accordance with generally accepted accounting principles, adjusted to exclude the value of accumulated other comprehensive income or loss reflected on such consolidated balance sheet; and further adjusted to exclude the impact of (i) adjustments resulting from changes in accounting policy or in legal or regulatory rules or laws; (ii) any acquisitions, divestitures or block reinsurance transactions; (iii) adjustments to the closed block of business; (iv) the effect of changes to strategic asset allocation; (v) debt issuance, repurchasing or retirement, or stock repurchase or issuance; (vi) fees or assessments, including tax assessments, from legislation enacted after the date hereof; (vii) reserve assumption updates; (viii) asset impairments, including, but not limited to, those related to premiums receivable, reinsurance recoverable, property and equipment, right-of-use assets, value of business acquired and goodwill; (ix) restructuring costs; and (x) the effect of a global pandemic or other economic or environmental pressures impacting results.
Second, the product obtained in the first step above will be multiplied by the sum of (x) 1.0 and (y) the Company’s Cumulative Dividend Yield over the Performance Period. As used herein, “Cumulative Dividend Yield” means the sum of cash dividends paid per share of the Company’s common stock over the Performance Period divided by $[ ], the closing price per share on December 31, [Year-1].
Third, the final number of Cash Incentive Units earned will be determined by multiplying the product obtained in the second step above by the TSR Factor as set forth in the chart below based on the TSR Percentile Ranking (as defined below):
TSR Percentile Ranking
TSR Factor
75% or above
1.2
62.5%
1.1
50%
1.0
42.5%
0.9
35% or below
0.8
If the TSR Percentile Ranking is in between the numbers appearing on the chart, the TSR Factor shall be calculated based on straight line interpolation, rounded to the nearest hundredth of a point, with the final number of Cash Incentive Units earned rounded to three decimal places.
For purposes of this third and final step:
“Peer Group” shall mean the following group of peer companies: [List of Peer Companies]. A company shall be removed from the Peer Group if it: (i) ceases to be a domestically domiciled publicly traded company on a national stock exchange or market system, unless such cessation of such listing is due to a low stock price or low trading volume; (ii) has gone private; (iii) has reincorporated in a foreign (e.g., non-U.S.) jurisdiction, regardless of whether it is a reporting company in that or another jurisdiction; or (iv) has been acquired by another company (whether by another company in the Peer Group or otherwise, but not including internal reorganizations) or has sold all or substantially all of its assets. A company that is removed from the Peer Group before the end of the Performance Period will be excluded from the calculation of TSR Percentile Ranking.
“Total Shareholder Return” shall mean total shareholder return as applied to the Company or any company in the Peer Group, determined by comparing the average of the applicable company’s closing stock prices over the 20 trading days immediately preceding the first day of the Performance Period with the average of the applicable company’s closing stock prices over the
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last 20 trading days of the Performance Period, including dividends and distributions made or, with respect to which a record date has occurred, declared (assuming such dividends or distributions are reinvested in the common stock of the Company or any company in the Peer Group) during the Performance Period.
“TSR Percentile Ranking” shall mean the relative ranking of the Company’s Total Shareholder Return as compared to the Total Shareholder Returns of the Peer Group companies, expressed as a percentile ranking.
Notwithstanding the forgoing, in no event shall more than 200% of the Cash Incentive Units granted as provided in Section 1(a) be earned under this Schedule A.
Except as provided in Section 18 or 20 of the Agreement, the provisions of this Schedule A are strictly confidential and shall not be disclosed, directly or indirectly, to any person other than the Employee’s legal advisor as necessary in obtaining legal advice (provided that such advisor is informed of the confidential nature of such information and is subject to confidentiality and non-disclosure duties or obligations with respect to such information that are no less restrictive than the provisions of Section) or as required by law or legal process.

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SCHEDULE 1 (FOR NON-U.S. EMPLOYEES)
Data Protection and Monitoring Acknowledgement
To: [Name of Employer] (the “Company”)
I hereby acknowledge having been informed that the Company and Affiliates may hold and process information about me for legal, personnel, administrative and management purposes and, in particular, collecting and processing: (a) contact information to create and maintain my employee records, grant me access to internal systems, manage an internal employee directory, and communicate with me for business purposes or emergencies; (b) national identification information to ensure my eligibility to work; (c) information about the duration of sick leave to monitor sick leave and sick pay, to administer benefits and take decisions as to my fitness to work or the need for adjustments in the workplace; (d) performance and job-related information, qualifications, and professional memberships to administer performance reviews, benefits and other awards, staff restructuring, conflict of interest reporting, as well as assess my personal and professional development; (e) disciplinary, capability, and conduct information required to carry out disciplinary and grievance procedures, internal investigations and considering reports (which may be submitted anonymously) under any whistle-blowing procedure; (f) any information relating to criminal proceedings in which I have been involved to determine my suitability for certain jobs; and (g) financial, salary, and benefits information for the payment of wages and other benefits; (h) biometric information to monitor and record my hours of work where permitted by law; and (i) beneficiaries, dependents, and emergency contact information to administer benefits and contact the designated contacts in the case of emergency (my “Personal Data”).
I understand that, notwithstanding anything to the contrary herein, Company may process my Personal Data without my consent under certain lawful bases, including when processing is necessary for the performance of a contract to which I am a party; when processing is necessary for compliance with a legal requirement; or when processing is necessary to protect vital interests.
I agree that the Company may make my Personal Data available to Affiliates, those who provide products or services to the Company and Affiliates (such as advisers and payroll administrators), regulatory authorities, potential or future employers, governmental or quasi-governmental organizations, current or potential investors and potential purchasers of the Company or the business in which I work. I agree that the Company may use and make my Personal Data available to third parties to comply with obligations to third parties; establish or defend legal claims or allegations; and detect security incidents, protect against malicious deceptive, fraudulent, or illegal activity.
I understand that my Personal Data may be transferred to any Affiliate established outside the European Economic Area, and in particular to the United States. I acknowledge that these countries may not have laws in place to adequately protect my privacy, but that a Data Transfer Agreement which utilized EU Model Clauses has been implemented with such Affiliates.
I understand that all communications (whether by telephone, email or any other means) which are transmitted, undertaken or received using Company property or on Company premises will be treated by the Company as work related and are subject to occasional interception, recording and monitoring without further notice. I do not regard any such communications as private and I consent to such interception, recording and monitoring.
Interception, recording and monitoring of communications is intended to protect the Company’s business interests (for example, but without limitation, for the purposes of quality control, security of communication and IT systems, record-keeping and evidential requirements, detection and prevention of criminal activity or misconduct and to assist the Company to comply with relevant legal requirements). I acknowledge that intercepted communications may be used as evidence in any disciplinary or legal proceedings.
I understand that I have the right to withdraw my agreement to the collection and processing of Personal Data. If I would like to withdraw my agreement, I can contact the Privacy Office at privacy@unum.com or 1-877-684-1241.
I have read, understood and agreed to the above of my own free will.
    
 EX-10.46 7 unm123124ex1046.htm EX-10.46 Document
Exhibit 10.46
CASH INCENTIVE UNIT AGREEMENT
(Unum Group 2022 Stock Incentive Plan – Sub-plan for U.K. and Republic of Ireland)
THIS AGREEMENT (this “Agreement”), dated as of [Grant Date], is entered into by and between Unum Group, a Delaware corporation (the “Company”), and [Participant Name] (the “Employee”).
W I T N E S S E T H
In consideration of the mutual promises and covenants made herein and the mutual benefits to be derived herefrom, the parties hereto agree as follows:
1.Grant, Vesting and Forfeiture of Cash Incentive Units.
(a)Grant. Subject to the provisions of this Agreement and to the provisions of the Sub-plan for U.K. and Republic of Ireland (as the same may be amended, the “Sub-plan”) of the Unum Group 2022 Stock Incentive Plan (as the same may be amended, the “Plan”), the Company hereby grants to the Employee, as of [Grant Date] (the “Grant Date”), [Number Granted] Cash Incentive Units (the “Cash Incentive Units”), each of which shall be deemed a Performance Unit under the Plan, representing a right to receive $1.00. All capitalized terms used herein, to the extent not defined, shall have the meaning set forth in the Sub-plan and the Plan.
(b)Earning Cash Incentive Units/Performance Period.
(i)Earning Cash Incentive Units. Subject to Section 1(b)(ii) and 1(c) below, the Employee shall earn up to 200% of the Cash Incentive Units as determined in accordance with Schedule A on the date that the Committee certifies as to such determination (including the performance calculations described in Schedule A), which date shall be no later than two and a half months after the end of the performance period extending from January 1, [Year] to December 31, [Year+2], inclusive (the “Performance Period”).
(ii)Performance Period. Subject to the terms and conditions of this Agreement, the Cash Incentive Units earned pursuant to Section 1(b)(i) shall vest and no longer be subject to any restriction upon the expiration of the Performance Period.
(c)Termination of Employment.
(i)General. Upon the Employee’s Termination of Employment during the Performance Period for (A) Cause or (B) any other reason except as specified in Section 1(c)(ii) or 1(c)(iii) below, all Cash Incentive Units still subject to restriction shall be forfeited.
(ii)Redundancy; Good Reason. In the event of the Employee’s Termination of Employment during the Performance Period by the Company as a result of redundancy, the Employee shall earn a number of Cash Incentive Units equal to the product of (x) the number of Cash Incentive Units determined in accordance with Section 1(b)(i) and (y) a fraction, the numerator of which is the number of full and partial months that have lapsed from the first day of the Performance Period until the date of the Termination of Employment and the denominator of which is the total number of months in the Performance Period; provided, that, in the case of the Employee’s Termination of Employment under such circumstances, the Employee does not breach the CIU Restrictions (as defined in Section 5 below) and the Employee executes and submits to the Company within 10 business days following the last day of each year following such Termination of Employment during the Restricted Period (as defined in Section 5 below) a certification in the form provided to the Employee by the Company that states that the Employee has adhered to and complied with the CIU Restrictions (the “Certification”). Such Cash Incentive Units shall be settled at such time as the Cash Incentive Units would be settled in accordance with Section 2. For the avoidance of doubt, in the event that the Employee incurs a Termination of Employment during the Performance Period by the Company as a result of redundancy and the Employee fails to comply with the CIU Restrictions or fails to execute and submit each required Certification, the Cash Incentive Units will be forfeited. The benefits and conditions (including the obligations to adhere to and comply with the CIU Restrictions and the requirement to execute and submit the Certifications) described in this Section 1(c)(ii) shall also apply upon a Termination of Employment by the Employee for Good Reason if the Company has entered into a separate written agreement with the Employee providing for payments upon a Termination of Employment for
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Good Reason not upon or following a Change in Control, in which case “Good Reason” shall have the meaning ascribed to such term (or a similar term) in such agreement; provided, that, if the Employee is eligible for Retirement at the time of the Employee’s Termination of Employment by the Employee for Good Reason, the vesting of such Employee’s Cash Incentive Units shall be governed by Section 1(c)(iii) below.
(iii)Retirement/Death/Disability; Retirement Definition. In the event of the Employee’s Termination of Employment during the Performance Period due to the Employee’s death, Disability or Retirement, the Employee shall earn a number of Cash Incentive Units equal to the number of Cash Incentive Units determined in accordance with Section 1(b)(i), assuming that the Employee had remained employed through the Performance Period; provided, that, in the case of the Employee’s Retirement or Disability, the Employee does not breach the CIU Restrictions and the Employee (or in the case of the Employee’s Disability, the Employee’s legal representative on behalf of the Employee, if applicable) executes and submits to the Company within 10 business days following the last day of each year during the Restricted Period following such Termination of Employment the Certification. Such Cash Incentive Units shall be settled at such time as the Cash Incentive Units would be settled in accordance with Section 2. For the avoidance of doubt, in the event that the Employee incurs a Termination of Employment during the Performance Period due to the Employee’s Retirement or Disability and the Employee fails to comply with the CIU Restrictions or fails to execute and submit each required Certification, the Cash Incentive Units will be forfeited. For purposes of this Agreement and notwithstanding section 1(gg) of the Plan or section 1.1 of the Sub-plan, “Retirement” shall mean the Employee’s Termination of Employment where the Employee ceases employment with the intention of ceasing to do any further work and on a date that has been agreed by both the Company (or an Affiliate employer) and the Employee in writing in advance in compliance with the legal requirements of the jurisdiction in which the Employee is employed; provided, however, that if, on such agreed-upon date, there is a basis for the Company or an Affiliate employer to terminate the employment of the Employee for Cause, then such voluntary cessation of employment by the Employee shall not constitute “Retirement” for purposes of this Agreement.
(iv)Employment. For purposes of this Agreement, employment with the Company shall include an office or employment with the Company, its Affiliates and their successors. Nothing in this Agreement, the Sub-plan or the Plan shall confer upon the Employee any right to continue in the employment of, or holding an office with, the Company or any of its Affiliates or interfere in any way with the right of the Company or any Affiliate to terminate the Employee’s office or employment at any time.
2.Settlement of Units.
Subject to Section 7 (pertaining to the withholding of taxes), and except as otherwise provided in Section 6, as soon as practicable after the date on which the Performance Period expires and the Committee certifies as to the determination of the number of earned Cash Incentive Units, and in no event later than two and a half months after the end of the Performance Period, the Company shall deliver to the Employee or his or her personal representative a lump sum amount equal to $1.00 for each Cash Incentive Unit earned pursuant to this Agreement.
3.Nontransferability of the Cash Incentive Units.
The Cash Incentive Units shall not be transferable by the Employee by means of sale, assignment, exchange, encumbrance, pledge, hedge or otherwise; provided, however, that nothing in this Section 3 shall prevent transfers by will or by the applicable laws of descent and distribution. Any purported or attempted transfer of such Cash Incentive Units in contravention of this Section 3 shall be null and void.
4.Rights as a Stockholder.
The Employee shall not be entitled to any rights of a stockholder with respect to the Cash Incentive Units (including, without limitation, any voting or dividend rights).
5.Confidentiality; Non-Competition; Non-Solicitation; Non-Disparagement.
(a)The Employee acknowledges that during the course of employment or engagement with the Company and its Affiliates the Employee has received and will continue to have access and exposure to secret and proprietary information, including but not limited to information about the Company’s and its Affiliates’ business, business practices and processes,
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customers, and prospective customers, the value of which is derived in part from the fact that the information is not generally known to the public (“Confidential Information”). The Employee acknowledges that the Company and its Affiliates have spent significant time, effort and resources protecting the Confidential Information and that the Confidential Information has contributed to customer goodwill and is of significant competitive value to the Company and its Affiliates in the businesses in which they compete, and that the use or disclosure, even if inadvertent, of the Confidential Information to or for the benefit of a competitor would cause significant damage to the legitimate business interests of the Company and its Affiliates. Accordingly, in order to protect the legitimate business and customer goodwill interests of the Company and its Affiliates, to protect the Confidential Information against inappropriate use or disclosure, and in consideration of the grant of and the opportunity to earn the Cash Incentive Units in accordance with the provisions of this Agreement, the Employee hereby covenants and agrees to comply with the confidentiality, non-competition, non-solicitation and non-disparagement provisions set forth in this Section 5(a) (collectively, the “CIU Restrictions”). Except to the extent expressly provided otherwise below, the Employee agrees to comply with the CIU Restrictions for the period commencing on the Grant Date and extending until the date that is 12 months following the earlier of: (i) Employee’s Termination of Employment for any reason or (ii) the last day on which the Employee carried out any duties for the Company and its Affiliates (such period, the “Restricted Period”).
(i)The Employee will use Confidential Information gained during employment or engagement with the Company or any Affiliate for the benefit of the Company only and, without the prior written consent of the Company, shall not, at any time during the Restricted Period or thereafter, directly or indirectly, divulge, reveal or communicate any Confidential Information to any person or entity whatsoever, or use any Confidential Information for the Employee’s own benefit or for the benefit of others, other than as required by law or legal process. For purposes of the foregoing, Confidential Information shall not include information that was or is available to the Employee on a non-confidential basis from a source other than the Company or becomes generally available to the public, other than as a result of disclosure by the Employee.
(ii)The Employee shall not, at any time during the Restricted Period, without the prior written consent of the Company, directly or indirectly, own, manage, operate, join, control, or participate in the ownership, management, operation or control of, or be employed by, consult with, render services for, or be connected in any other manner with, any Competing Business, whether for compensation or otherwise. For the purposes of this Agreement, a “Competing Business” shall be any business in the United Kingdom which is engaged in the sale or provision of employee benefits or other products or services of the type offered by the Company or its Affiliates (including, without limitation, disability, life, accident, critical illness, hospital indemnity, dental, and vision insurance products; leave and absence management support services; and behavioral health services), unless the Employee’s primary duties and responsibilities with respect to such business are (i) not related to the management, operation or provision of such products or services or (ii) related to the management, operation or provision of such products or services in territories in which the Employee was neither involved nor concerned during the 12 months prior to the Employee’s Termination of Employment or about which he was not in possession of Confidential Information as at the date of such termination; or (iii) related to the management, operation or provision of products or services with which the Employee was neither involved nor concerned during the 12 months prior to the Employee’s Termination of Employment or about which he was not in possession of Confidential Information as at the date of such termination. Notwithstanding the requirements of this paragraph, the Employee shall not be prohibited from owning less than 1% of any publicly traded corporation, whether or not such corporation is deemed to be a Competing Business.
(iii)The Employee shall not, at any time during the Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, solicit, assist, or induce any Covered Employee to terminate his or her relationship with the Company or its Affiliates (regardless of who first initiates the communication), or help another person or entity evaluate any Covered Employee as an employment candidate, or offer to employ, call on, or actively interfere with the Company’s or any Affiliate’s relationship with any Covered Employee, provided that this paragraph shall not prohibit general solicitations in the form of classified advertisements or the like in newspapers, on the internet, or in other media. For purposes of this Agreement, “Covered Employee” means an individual who is an employee, representative, or officer of the Company or any Affiliate at the time of the solicitation, assistance or inducement or as of the date of the Employee’s Termination of Employment and who was employed in a senior, technical, management or research capacity or who was otherwise in possession of Confidential Information and, in each case, who was supervised by or worked with the Employee during the 12 months prior to the Employee’s Termination of Employment.
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(iv)The Employee shall not, at any time during the Restricted Period, without the prior written consent of the Company, directly or indirectly, either for the Employee’s own benefit or purpose or for the benefit or purpose of any other person or entity, use any Confidential Information to solicit or accept any business from any customers of the Company or any Affiliate, or any broker with regard to customers of the Company or any Affiliate (regardless of who first initiates the communication), whom the Employee serviced, solicited or had contact on behalf of the Company or any Affiliate during the 12 months prior to the commencement of the Restricted Period.
(v)The Employee shall not, at any time during the Restricted Period, directly or indirectly, disparage or make any statement, oral or written, public or in private, which is reasonably foreseeable as harming the Company’s or any Affiliate’s business interests or impacts negatively on the Company’s or any Affiliate’s business reputation or reputation in the community. Nothing in this paragraph will be construed to prevent the Employee from (x) truthfully communicating with or responding to a request for information from a federal, state, administrative agency or court or (y) discussing or disclosing information about unlawful acts in the workplace, such as harassment or discrimination or any other conduct that the Employee has reason to believe is unlawful.
(b)Any termination of the Employee’s employment or the termination or expiration of this Agreement shall have no effect on the continuing operation of this Section 5.
(c)The terms and provisions of this Section 5 are intended to be separate and divisible provisions and if, for any reason, any one or more of them is held to be invalid or unenforceable, neither the validity nor the enforceability of any other provision of this Agreement shall thereby be affected. The parties hereto acknowledge that the potential restrictions on the Employee’s future employment imposed by this Section 5 are reasonable in both duration and geographic scope and in all other respects. If for any reason any court of competent jurisdiction shall find any provisions of this Section 5 unreasonable in duration or geographic scope or otherwise, the Employee and the Company agree that the restrictions and prohibitions contained herein shall be effective to the fullest extent allowed under applicable law in such jurisdiction.
(d)The Employee acknowledges and agrees that any breach or threatened breach of the CIU Restrictions will result in substantial, continuing and irreparable injury to the Company and/or its Affiliates. Therefore, in addition to any other remedy that may be available to the Company and/or its Affiliates, the Company and/or its Affiliates shall be entitled to equitable and/or injunctive relief to prevent any breach or threatened breach of such provisions, and to specific performance of each of the terms thereof in addition to any other legal or equitable remedies that the Company or any Affiliate may have.
6.Adjustment; Change in Control.
In the event of certain transactions during the Performance Period, the Cash Incentive Units shall be subject to adjustment as provided in Section 3(d) of the Plan or any applicable successor provision under the Plan.
Notwithstanding anything in Section 1 to the contrary, subject to Section 3(d) of the Plan or any applicable successor provision under the Plan, upon the occurrence of a Change in Control, the Cash Incentive Units shall (i) be earned as determined in accordance with Schedule A (provided that, in this event, the date of the Change in Control shall be deemed the last day of the Performance Period solely for the purpose of calculating performance as set forth in Schedule A), (ii) shall remain outstanding and shall vest and be subject to restriction until the end of the Performance Period in accordance with Section 1(b)(ii), and (iii) subject to this Section 6, shall be settled by the Company as provided in Section 2. For purposes of this Agreement, Cash Incentive Units that are deemed earned upon, and remain outstanding following a Change in Control pursuant to this Section 6, shall be referred to as “Assumed CIUs”.
Notwithstanding anything in Section 1 to the contrary, (A) upon a Termination of Employment of the Employee occurring upon or during the two years immediately following the date of a Change in Control (but prior to the settlement of the Employee’s Assumed CIUs) by reason of death, Disability or Retirement, by the Company without Cause, or by the Employee for Good Reason (as defined in the Plan, except that if the Employee is covered by a separate written plan or agreement providing for payments upon a Termination of Employment for Good Reason upon or within two years following a Change in Control, then as such term (or a similar term) is defined in such plan or agreement), then such Assumed CIUs shall become free of all restrictions and fully vested and shall be settled as soon as practicable following the date of Termination of Employment (but not later than 30 days thereafter); provided, however, if the Employee is a citizen of the United States or otherwise subject
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to U.S. Federal Income Tax in respect of the Cash Incentive Units, in each case, that that any Assumed CIUs that constitute “nonqualified deferred compensation” as defined under Section 409A of the Code shall, to the extent necessary to avoid the imposition of penalty taxes under Section 409A of the Code, only be so settled if the Change in Control constitutes a “change in control event” within the meaning of Section 409A of the Code and shall otherwise only be settled on the earliest date permissible under Section 409A of the Code; (B) upon a Termination of Employment of the Employee occurring more than two years following the date of a Change in Control (but prior to the settlement of the Employee’s Assumed CIUs) by reason of death, Disability or Retirement, then such Assumed CIUs shall become free of all restrictions and fully vested and shall be settled in accordance with Section 2 hereof; and (C) upon a Termination of Employment of the Employee occurring more than two years following the date of a Change in Control (but prior to the settlement of the Employee’s Assumed CIUs) by the Company without Cause or by the Employee for Good Reason (as defined in the Plan, except that if the Employee is covered by a separate written agreement providing for payments upon a Termination of Employment for Good Reason not following a Change in Control, then as such term (or a similar term) is defined in such agreement), then a portion of such Employee’s Assumed CIUs, equal to the full value of the Assumed CIUs multiplied by a fraction, the numerator of which is the number of full and partial months that have lapsed from the first day of the Performance Period until the date of the Termination of Employment and the denominator of which is the total number of months in the Performance Period, shall become free of all restrictions and be vested and shall be settled in accordance with Section 2 hereof (for the avoidance of doubt, if an Employee who is eligible for Retirement incurs a Termination of Employment by the Company without Cause or by the Employee for Good Reason, the vesting of such Employee’s Assumed CIUs shall be governed by subsection (B) hereof). Nothing in this Section 6 shall preclude the Company from settling, upon a Change in Control, any Cash Incentive Units (to the extent effectuated in accordance with Treasury Reg. § 1.409A-3(j)(4) (ix) if the Employee is a citizen of the United States or otherwise subject to U.S. Federal Income Tax in respect of the Cash Incentive Units).
7.Taxes and Withholding.
(a)The Employee irrevocably undertakes to:
(i)pay to the Company, his or her employer or former employer (as appropriate) the amount of any Tax Liability; or
(ii)enter into arrangements to the satisfaction of the Company, his or her employer or former employer (as appropriate) for payment of any Tax Liability.
(b)The Employee irrevocably undertakes that, at the request of the Company, his or her employer or former employer, the Employee shall join that person in making a valid election to transfer to the Employee the whole or any part of the liability for employer national insurance contributions (or any similar liability for social security contribution in any jurisdiction) which:
(i)the Company or any employer (or former employer) of the Employee may become liable to pay as a result of any Taxable Event; and
(ii)may be lawfully transferred from the Company or any employer (or former employer) to the Employee.
(c)The obligations of the Company under this Agreement shall be conditioned on compliance by the Employee with this Section 7, and the Company shall not deliver any cash payments in respect of the Cash Incentive Units unless and until the Employee has made arrangements satisfactory to the Committee to satisfy his or her obligations under this clause. Unless the Employee pays the Tax Liability to the Company, employer or former employer by cash or cheque, withholding may be effected, at the Company’s option, by withholding amounts payable in connection with the Cash Incentive Units. The Employee acknowledges that the Company, the employer and any former employer have the right to deduct any taxes required to be withheld by law in connection with the Cash Incentive Units from any amounts payable by it to the Employee (including, without limitation, future cash wages). The Employee’s obligations under Section 7(a) shall not be affected by any failure of the Company or employer or former employer to withhold shares or deduct from payments of remuneration under this Section 7(c).
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(d)In this Section 7 references to “employer” and “former employer” include a company of which the Employee is a director or other officer (or any company of which the Employee was formerly a director or other officer).
8.Privacy and Data Protection.
(a)The Employee consents to the Company, Subsidiaries and Affiliates holding and processing information about the Employee for legal, personnel, administrative and management purposes and, in particular, holding and processing: (i) health records and any medical reports to monitor sick leave and sick pay, to administer benefits and take decisions as to the Employee’s fitness to work or the need for adjustments in the workplace; (ii) information required to carry out performance reviews, disciplinary and grievance procedures, internal investigations and considering reports (which may be submitted anonymously) under any whistle-blowing procedure; (iii) any information relating to criminal proceedings in which the Employee has been involved; and (iv) to comply with legal requirements and obligations to third parties (“Personal Data”). The Employee agree that the Company may make the Personal Data available to Subsidiaries and Affiliates, those who provide products or services to the Company, Subsidiaries and Affiliates (such as advisers and payroll administrators), regulatory authorities, potential or future employers, governmental or quasi-governmental organisations, current or potential investors and potential purchasers of the Company, Subsidiaries, Affiliates or the business in which the Employee works.
(b)The Employee consents to the transfer of Personal Data to the Company and to any Subsidiary or Affiliate established outside the European Economic Area, and in particular to the United States. The Employee acknowledges that these countries may not have laws in place to adequately protect the Employee’s privacy. The Employee confirms that he or she understands that all communications (whether by telephone, email or any other means) which are transmitted, undertaken or received using property of the Company or any Subsidiary or Affiliate or on the premises of the Company or any Subsidiary or Affiliate will be treated as work related and are subject to occasional interception, recording and monitoring without further notice. The Employee confirms that he or she does not regard any such communications as private and consents to such interception, recording and monitoring. Interception, recording and monitoring of communications is intended to protect the business interests of the Company and its Subsidiaries and Affiliates (for example, but without limitation, for the purposes of quality control, security of communication and IT systems, record-keeping and evidential requirements, detection and prevention of criminal activity or misconduct and to assist the Company and its Subsidiaries and Affiliates to comply with relevant legal requirements). The Employee acknowledges that intercepted communications may be used as evidence in any disciplinary or legal proceedings.
THE EMPLOYEE CONFIRMS THAT HE OR SHE HAS READ, UNDERSTOOD AND AGREED TO THE PROVISIONS OF THIS SECTION 8 OF HIS OR HER OWN FREE WILL.
9.Notices.
All notices and other communications under this Agreement shall be in writing and shall be given by hand delivery to the other party or by facsimile, courier, or registered airmail (postage prepaid) addressed as follows:
If to the Employee:
At the most recent address
on file at the Company
If to the Company:
Unum Group
1 Fountain Square
Chattanooga, Tennessee 37402
Attention: Executive Compensation, Human Resources
or to such other address or facsimile number as any party shall have furnished to the other in writing in accordance with this Section 9. Notices and communications shall be effective when actually received by the addressee. Notwithstanding the foregoing, the Employee consents to electronic delivery of documents required to be delivered by the Company under the securities laws.
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10.Effect of Agreement.
(a)This Agreement is personal to the Employee and, without the prior written consent of the Company, shall not be assignable by the Employee otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Employee’s legal representatives. This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns.
(b)A person who is not a party to this Agreement shall not have any rights under or in connection with it, except where such rights arise as a result of this Agreement for the Company or any employer or former employer of the Employee. The rights of the Employee to surrender, terminate or rescind this Agreement, or agree any variation, waiver or settlement of it, are not subject to the consent of any other person.
11.Laws Applicable to Construction; Consent to Jurisdiction.
(a)The interpretation, performance and enforcement of this Agreement (including non-contractual disputes or claims) shall be governed and construed by the laws of the State of Delaware without reference to principles of conflict of laws, as applied to contracts executed in and performed wholly within the State of Delaware. In addition to the terms and conditions set forth in this Agreement, the Cash Incentive Units are subject to the terms and conditions of the Plan, which is hereby incorporated by reference. The parties agree that the courts of the State of Delaware shall have non-exclusive jurisdiction to settle any dispute or claim arising out of or in connection with this deed or its subject matter or formation (including non-contractual disputes or claims).
(b)The Parties irrevocably consent to any process in any legal action or proceedings under this Section 11 being served on it in accordance with the provisions of this Agreement relating to service of notices. Nothing contained in this Agreement shall affect the right to serve process in any other manner permitted by law.
(c)In addition to the terms and conditions set forth in this Agreement, the Cash Incentive Units are subject to the terms and conditions of the Plan and the Sub-plan, which are hereby incorporated by reference.
12.Severability.
The invalidity or enforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement.
13.Conflicts and Interpretation.
In the event of any conflict between this Agreement, the Plan or the Sub-plan, the Sub-plan shall control. In the event of any ambiguity in this Agreement, or any matters as to which this Agreement is silent, the Sub-plan shall govern including, without limitation, the provisions thereof pursuant to which the Committee has the power, among others, to (a) interpret the Plan, (b) prescribe, amend and rescind rules and regulations relating to the Plan and Sub-plan, and (c) make all other determinations deemed necessary or advisable for the administration of the Plan and Sub-plan. The Employee hereby acknowledges that a copy of the Plan and the Sub-plan has been made available to him and agrees to be bound by all the terms and provisions thereof. The Employee and the Company each acknowledge that this Agreement (together with the Plan and the Sub-plan) constitutes the entire agreement and supersedes all other agreements and understandings, both written and oral, between the parties or either of them, with respect to the subject matter hereof.
14.Amendment.
The Company may modify, amend or waive the terms of the Cash Incentive Unit award, prospectively or retroactively, but no such modification, amendment or waiver shall materially impair the rights of the Employee without his or her consent, except as required by applicable law, stock exchange rules, tax rules or accounting rules. The waiver by either party of compliance with any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this Agreement, or of any subsequent breach by such party of a provision of this Agreement.
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15.Headings.
The headings of Sections herein are included solely for convenience of reference and shall not affect the meaning or interpretation of any of the provisions of this Agreement.
16.Counterparts.
This Agreement may be executed in counterparts, which together shall constitute one and the same original.
17.Terms of Office or Employment.
(a)The Employee acknowledges and undertakes that:
(i)subject to Section 5, his or her rights and obligations as an employee or director of the Company or any of its Affiliates shall not be affected by grant of the Cash Incentive Unit award; and
(ii)subject to Section 4, the grant of the Cash Incentive Unit award gives the Employee no right or expectation to receive and particular remuneration or future awards under the Plan and Sub-plan.
(b)The Employee irrevocably waives any rights that may arise to compensation or damages on account of any loss in respect of the Cash Incentive Unit award where such loss arises (or is claimed to arise), in whole or in part, from:
(i)termination of the Employee’s office or employment with; or
(ii)notice to terminate the Employee’s office or employment given by or to,
the Company, any Affiliate or former Affiliate. This waiver shall apply however termination of office or employment, or the giving of notice, is caused, and however compensation or damages may be claimed.
(c)The Employee irrevocably waives any rights to compensation or damages that may arise on account of any loss in respect of the Cash Incentive Unit award where such loss arises (or is claimed to arise), in whole or in part, from:
(i)any company which employs the Employee, or in which the Employee holds office, ceasing to be an Affiliate of the Company; or
(ii)the transfer of the business in which the Employee is employed from the Company (or any Affiliate of it) to any person which is not the Company (or an Affiliate of it).
This waiver shall apply however the change of status of the relevant company, or the transfer of the relevant business, is caused, and however compensation or damages may be claimed.
18.Confidentiality of Schedule A to this Agreement.
By executing this Agreement, the Employee acknowledges and agrees that the provisions of Schedule A to this Agreement shall be deemed confidential information (except with respect to information that becomes generally available to the public other than as a result of disclosure by the Employee, and then only to such extent), and that the Employee will keep confidential all such provisions and shall not disclose them, directly or indirectly, to any person other than the Employee’s legal advisor as necessary in obtaining legal advice (provided that such advisor is informed of the confidential nature of such provisions and is subject to confidentiality and non-disclosure duties or obligations with respect to such provisions that are no less restrictive than those contained in this Section) or as required by law or legal process.
19.Clawback.
Notwithstanding any provisions in this Agreement to the contrary, the Employee hereby acknowledges and agrees that any amounts paid or provided to the Employee pursuant to this Agreement, which amounts are subject to recovery for any reason under any law, government regulation, stock exchange listing requirement, or any policy adopted by the Company from time to time, will be subject to all applicable deductions and clawback pursuant to such law, government regulation, stock
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exchange listing requirement, or policy as in effect from time to time. For purposes of the foregoing, the Employee expressly and explicitly authorizes the Company’s recovery of any covered compensation under such law, government regulation, stock exchange listing requirement, or policy through any method of recovery that the Company deems appropriate, including without limitation by reducing any amount that is or may become payable to the Employee, whether in the form of wages, severance, vacation pay or any other benefit or for any other reason.
20.Disclosures.
Nothing in this Agreement (including Schedule A hereto) shall be construed to restrict the Employee’s ability to make a confidential disclosure of any trade secret or other confidential information, without notice to or approval by the Company, to a government official or an attorney for the sole purpose of reporting or assisting in the investigation of a suspected violation of law and the Employee shall not be held liable under this Agreement or under any federal or state trade secret law for any such disclosure.
21.Foreign Jurisdictions. This Agreement shall be construed, interpreted and applied in such a manner as shall be necessary to comply with any legal or regulatory requirements of any jurisdiction to which the Employee is or becomes subject. The Company hereby delegates to each of the officers of the Company the authority for the interpretation of such matters, whose interpretations shall be final, binding and conclusive on the Employee and all individuals claiming any rights or benefits hereunder.
[Signature Page Follows]
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IN WITNESS WHEREOF, as of the date first above written, the Company has caused this Agreement to be executed on its behalf by a duly authorized officer and the Employee has hereunto set the Employee’s hand.
Date: [Acceptance Date]    
EMPLOYEE: [Participant Name]
[Electronic Signature]
UNUM GROUP
By:
[Authorized Signature]
[Name]
[Title]
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Schedule A
Subject to the terms and conditions of the Agreement, the Employee shall earn a percentage of the Cash Incentive Units up to 200%, based on the following three steps.
First, the number of Cash Incentive Units granted as provided in Section 1(a) will be multiplied by the ratio calculated by dividing (x) the Adjusted Book Value as of the end of the Performance Period (determined as of December 31, [Year+2]) by (y) the Adjusted Book Value as of the beginning of the Performance Period (determined as of December 31, [Year-1]). As used herein, “Adjusted Book Value” means, as of any date of determination, the total stockholders’ equity of the Company and its subsidiaries, as reflected on the consolidated balance sheet of the Company and its subsidiaries at such date prepared in accordance with generally accepted accounting principles, adjusted to exclude the value of accumulated other comprehensive income or loss reflected on such consolidated balance sheet; and further adjusted to exclude the impact of (i) adjustments resulting from changes in accounting policy or in legal or regulatory rules or laws; (ii) any acquisitions, divestitures or block reinsurance transactions; (iii) adjustments to the closed block of business; (iv) the effect of changes to strategic asset allocation; (v) debt issuance, repurchasing or retirement, or stock repurchase or issuance; (vi) fees or assessments, including tax assessments, from legislation enacted after the date hereof; (vii) reserve assumption updates; (viii) asset impairments, including, but not limited to, those related to premiums receivable, reinsurance recoverable, property and equipment, right-of-use assets, value of business acquired and goodwill; (ix) restructuring costs; and (x) the effect of a global pandemic or other economic or environmental pressures impacting results.
Second, the product obtained in the first step above will be multiplied by the sum of (x) 1.0 and (y) the Company’s Cumulative Dividend Yield over the Performance Period. As used herein, “Cumulative Dividend Yield” means the sum of cash dividends paid per share of the Company’s common stock over the Performance Period divided by $[ ], the closing price per share on December 31, [Year-1].
Third, the final number of Cash Incentive Units earned will be determined by multiplying the product obtained in the second step above by the TSR Factor as set forth in the chart below based on the TSR Percentile Ranking (as defined below):
TSR Percentile Ranking
TSR Factor
75% or above
1.2
62.5%
1.1
50%
1.0
42.5%
0.9
35% or below
0.8
If the TSR Percentile Ranking is in between the numbers appearing on the chart, the TSR Factor shall be calculated based on straight line interpolation, rounded to the nearest hundredth of a point, with the final number of Cash Incentive Units earned rounded to three decimal places.
For purposes of this third and final step:
“Peer Group” shall mean the following group of peer companies: [List of Peer Companies]. A company shall be removed from the Peer Group if it: (i) ceases to be a domestically domiciled publicly traded company on a national stock exchange or market system, unless such cessation of such listing is due to a low stock price or low trading volume; (ii) has gone private; (iii) has reincorporated in a foreign (e.g., non-U.S.) jurisdiction, regardless of whether it is a reporting company in that or another jurisdiction; or (iv) has been acquired by another company (whether by another company in the Peer Group or otherwise, but not including internal reorganizations) or has sold all or substantially all of its assets. A company that is removed from the Peer Group before the end of the Performance Period will be excluded from the calculation of TSR Percentile Ranking.
“Total Shareholder Return” shall mean total shareholder return as applied to the Company or any company in the Peer Group, determined by comparing the average of the applicable company’s closing stock prices over the 20 trading days immediately preceding the first day of the Performance Period with the average of the applicable company’s closing stock prices over the
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last 20 trading days of the Performance Period, including dividends and distributions made or, with respect to which a record date has occurred, declared (assuming such dividends or distributions are reinvested in the common stock of the Company or any company in the Peer Group) during the Performance Period.
“TSR Percentile Ranking” shall mean the relative ranking of the Company’s Total Shareholder Return as compared to the Total Shareholder Returns of the Peer Group companies, expressed as a percentile ranking.
Notwithstanding the forgoing, in no event shall more than 200% of the Cash Incentive Units granted as provided in Section 1(a) be earned under this Schedule A.
Except as provided in Section 18 or 20 of the Agreement, the provisions of this Schedule A are strictly confidential and shall not be disclosed, directly or indirectly, to any person other than the Employee’s legal advisor as necessary in obtaining legal advice (provided that such advisor is informed of the confidential nature of such information and is subject to confidentiality and non-disclosure duties or obligations with respect to such information that are no less restrictive than the provisions of Section) or as required by law or legal process.
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 EX-19 8 unm123124ex19.htm EX-19 Document
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Exhibit 19
Unum Group Insider Trading Policy
Scope
All employees, officers and directors of Unum and its subsidiaries, including Colonial Life and Unum’s international subsidiaries, must comply with this policy. Unum may also determine that other individuals should be subject to this policy, such as contractors or consultants who have access to material nonpublic information. Each individual subject to this policy is responsible for making sure that he or she complies with this policy, as well as ensuring that any related party (as defined below) also complies with this policy. Individuals designated as corporate insiders are subject to additional reporting requirements and restrictions on trading, which can be found below in item 7.
Additionally, item 10 sets forth guidance for Unum itself when the company is conducting open-market repurchases of its own securities.
Purpose
The purpose of this policy is to provide guidelines with respect to transactions in the securities of Unum Group (“Unum”) and the companies with which Unum does business and how insider trading and tipping are prohibited in such transactions. In order to promote compliance with securities laws and to avoid the appearance of impropriety, this policy prohibits individuals covered by the policy from conducting or executing any transaction involving Unum securities or the securities of a company with which Unum does business while in the possession of material nonpublic information. The policy will explain the scope, definitions and how to ask for assistance relating to these matters. It will also provide additional guidance for designated corporate insiders and for certain transactions conducted by Unum itself. Violations of this policy may subject the violator not only to disciplinary action, including termination from employment; they may also be against the law and can lead to significant fines and even prison time.
Definitions
“Corporate insiders” are individuals who, in the course of performance of their duties for Unum, have regular access to material nonpublic information and are designated as corporate insiders by the General Counsel. Corporate insiders include:
•All members of Unum’s Board of Directors
•The Chief Executive Officer, the President, and all EVPs, SVPs, and VPs
•Unum’s senior Investor Relations officer and all direct reports
•Unum’s Corporate Secretary and all direct reports
•Unum’s senior officer responsible for mergers and acquisitions activities and all direct reports
•Individuals in Unum’s financial reporting, accounting, tax, auditing, and corporate communications areas who are regularly involved in the preparation, review, auditing, or disclosure of Unum’s periodic financial statements or similar sensitive information, as advised by the senior leaders of such areas
•Any other individual designated as a corporate insider by the General Counsel. The General Counsel may also designate any individual as a corporate insider temporarily as a result of that individual’s involvement in a specific project or matter that is likely to result in the individual receiving material nonpublic information.
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“Insider trading” is buying or selling securities of a public company (including Unum) on the basis of material nonpublic information about that company in breach of a duty of trust or confidence.
“Material nonpublic information” is nonpublic information, good or bad, about a company that a reasonable investor would consider important in a decision to buy, hold or sell a company’s securities. Any information that could be expected to affect Unum’s stock price, whether it is positive or negative, should be considered material. Information about Unum should be considered nonpublic until it has been generally released to the public (such as by a press release or an SEC filing) and a sufficient period has elapsed to allow the financial markets to absorb the information. Ordinarily, this means a full trading day on the New York Stock Exchange (“NYSE”) should have occurred after the public release. A “trading day” means the period between 9:30 a.m. and 4:00 p.m. (Eastern Time) on a day which the NYSE is open for trading. If the public release occurs during a trading day, the next succeeding trading day will have to have been completed before the information is considered absorbed by the market. It is important to note that disclosure of information solely on Unum’s website may not constitute public release of the information for purposes of this policy and insider trading laws. The types of information that might be material, depending on the circumstances, include:
•earnings, earnings forecasts, and changes in forecasts
•significant merger, acquisition, reinsurance, asset sale or purchase, joint venture or divestiture inquiries, proposals or agreements
•changes in dividend policy, significant stock dividends, or stock splits
•significant changes in management
•a change in control
•significant actual or threatened litigation or government investigations
•significant developments regarding customers or suppliers
•significant write-offs, losses, or reserve updates
•restatements of financial statements or significant changes in prior reported earnings
•plans to issue or repurchase securities
•significant new products or markets
•extraordinary borrowings
•projections and strategic plans
•changes in auditors or auditor notification that an audit report may no longer be relied on
•events of default under debt agreements
•any alleged or actual misconduct by an executive
•significant data breaches or data security incidents
•events that likely would require a Form 8-K filing
•the existence of a special blackout period under this policy.
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These are only examples, and other significant events could also be material. There is no bright-line test about whether information is material, and the SEC and law enforcement authorities enforce insider trading laws with the benefit of hindsight. Please reach out to Unum’s Corporate Secretary with any questions about whether certain information could be considered material or nonpublic.
“Related parties” of an individual covered by this policy include: (1) every family member who either lives in the covered individual’s household or is financially dependent on the covered individual, and (2) every trust, partnership and other entity over which a covered individual has control with respect to purchases and sales of securities. Individuals are responsible for ensuring that their related parties comply with this policy, and a violation of this policy by a related party will be deemed to be a violation by the associated covered individual.
“Tipping” is conveying material nonpublic information about a public company to another individual who might be expected to trade securities on the basis of that information.
Policy Statement
1.Prohibition Against Insider Trading
Unum has adopted this policy with respect to transactions in the securities of Unum and the companies with which Unum does business to promote compliance with federal, state and foreign securities laws that prohibit certain individuals who are aware of material nonpublic information about a company from: (i) trading in securities of that company; or (ii) providing material nonpublic information to other individuals who may trade on the basis of that information.
All employees, officers, and directors of Unum have a duty to hold in confidence all nonpublic information received in the course of Unum’s business. For employees, officers and directors of Unum, any purchase or sale of Unum securities conducted while the individual is in the possession of material nonpublic information about Unum is insider trading in violation of this policy and potentially also insider trading laws, unless the transaction is conducted in accordance with the limited exceptions described in this policy. Insider trading also occurs when an individual trades in securities of any company on the basis of material nonpublic information that he or she obtained from another individual pursuant to an expectation of confidentiality. Securities transactions made by a related party of an individual subject to this policy will be attributed to that individual for purposes of this policy.
As examples, insider trading occurs when:
•A Unum employee with early access to Unum’s quarterly earnings results knows that the results are positive and buys Unum stock two days before the public release of the earnings results; and
•A Unum employee learns that Unum is close to finalizing an agreement to purchase a small public technology company and buys stock of that other company a week before Unum’s agreement to purchase the company is publicly announced.
Individuals subject to this policy also must not engage in tipping, i.e., they must not pass on material nonpublic information to others or recommend to anyone the purchase or sale of any securities when the individual is aware of such information. Tipping is a violation of this policy and insider trading laws regardless of whether the individual who tips receives any financial benefit from the tipping. Individuals are reminded that improperly disclosing material nonpublic information, even if not tipping, may still be a violation of Unum’s Confidentiality/Non-Disclosure Policy.
In all cases, the responsibility for determining whether an individual is in possession of material nonpublic information rests with that individual, and any action on the part of Unum, the General Counsel or any other
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employee or director pursuant to this policy (or otherwise) does not in any way constitute legal advice or insulate an individual from liability under this policy or applicable insider trading laws.
2.Are there other transactions in securities besides purchases and sales of Unum stock that are subject to this policy?
Yes, other transactions in securities covered by this policy include:
•Purchase or sale of any derivative that is tied to the value of any security issued by Unum, including options to buy or sell Unum stock
•Sale of Unum stock acquired through an exercise of Unum stock options, including where any portion of the stock acquired is sold immediately in the public market to pay the option price (cashless exercise)
•Any election under an employee benefit plan, such as Unum’s 401(k) plan, a Unum-sponsored health savings account, or the Unum Ireland Approved Profit-Sharing Scheme, that results in a purchase or sale of Unum stock in the public market
•Gift of Unum stock
•Voluntary cash investment under Unum’s dividend reinvestment plan
•Switching a balance in or out of the Unum stock fund in the 401(k) plan
•Purchase or sale of any of Unum’s publicly traded debt securities or any other debt or equity security issued by Unum.
3.Do the rules against insider trading and tipping apply only with respect to the securities of Unum?
No, the rules also apply with respect to the securities of other companies. Specifically, if in the course of your duties for Unum, you learn of material nonpublic information about a company with which Unum does business or is contemplating entering into a major transaction, you may not trade in that company’s securities or the securities of another publicly traded company whose price may be affected by such information, until that information becomes public or is no longer material.
4.Are there any exceptions to these rules?
This policy does not apply to:
•Purchases or sales of shares in publicly traded mutual funds, index funds or exchange-traded funds that own Unum stock as part of a diversified investment strategy
•Granting or vesting of restricted stock units or other equity-based incentive compensation
•Purchases of Unum securities from Unum or sales of Unum securities to Unum, including elections and purchases made under Unum’s employee stock purchase plan and under certain employee share schemes for Unum UK employees.
Additionally, there is one very limited exception that allows an individual subject to this policy to execute a trade in Unum securities pursuant to what is known as a Rule 10b5-1 plan. A Rule 10b5-1 plan is a written trading plan that sets forth the terms of a purchase or sale of Unum securities in advance, with the transaction to occur on a set date in the future. The terms set forth in the plan generally must include the trade date, the amount of Unum securities to be purchased or sold, and the purchase/sale price, or otherwise give discretion
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over trading decisions to a third party who does not have access to material nonpublic information. A Rule 10b5-1 plan must be entered into or modified (which includes terminating the plan early) only at a time when the individual does not have material nonpublic information about Unum. If the individual has material nonpublic information at the time of a trade executed pursuant to a properly implemented Rule 10b5-1 plan, there is no violation of this policy because the individual no longer has any control over the terms or timing of the trade at that point. No trade under a Rule 10b5-1 plan can occur until at least 30 days after the date of adoption or modification of the plan, and certain corporate insiders are subject to an even longer cooling off period. SEC rules also generally restrict an individual from having multiple plans active at the same time as well as from adopting more than one single-trade plan in any consecutive 12-month period. All Rule 10b5-1 plans, including modifications and terminations, must be approved in advance by the General Counsel and entered into with Unum’s designated broker, which at the time of effectiveness of this policy is Fidelity. The requirements for proper implementation of a Rule 10b5-1 plan are a bit complicated, and there are additional requirements not described in this policy. Therefore, any individual who would like to implement a plan should contact Unum’s Corporate Secretary, though compliance with the requirements of Rule 10b5-1 ultimately remains the individual’s responsibility.
5.Is there an exception to this policy for a financial emergency or for a very small transaction?
There are no exceptions to this policy for individual financial emergencies or for very small transactions. Insider trading laws do not recognize any mitigating circumstances and do not have a minimum monetary threshold.
6.Am I still subject to this policy if I no longer work for Unum?
If an individual covered by this policy is in possession of material nonpublic information at the time the individual terminates employment with the company or otherwise ceases to provide services to Unum, that individual still may not trade in Unum securities, or securities of any other company, on the basis of that material nonpublic information, until that information is publicly released or is no longer material.
7.Additional Provisions Applicable to Corporate Insiders
a.Window Periods
Purchases, sales and other transactions in Unum securities by corporate insiders may be effected only during a “window period.” “Window periods” begin at 12:01 a.m. (Eastern Time) on the second trading day after the Company’s release of quarterly or annual earnings data and end at 11:59 p.m. (Eastern Time) on the fifteenth day of the third month of the quarter during which such data is released. If the earnings release occurs during a trading day, the next succeeding trading day will have to have been completed before the window period will open. Window periods will close on March 15, June 15, September 15 and December 15 of each year.
The fact that a window period is open, however, does not on its own constitute a right to trade in Unum securities. Even during a window period, corporate insiders may not trade in Unum securities if they are in possession of material nonpublic information, and it remains the corporate insider’s responsibility for determining whether he or she possesses material nonpublic information at the time of the transaction. The General Counsel may also, at her or his discretion, implement a special blackout period, during which no corporate insider may execute any transaction in Unum securities, and the existence of a special blackout period is itself material nonpublic information that should be kept confidential.
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b.Are there any exceptions to this prohibition on trades outside a window period?
The only exception for corporate insiders to conduct transactions in Unum securities outside a window period is for transactions executed pursuant to a Rule 10b5-1 plan, the general requirements for which are described above. Additionally, corporate insiders may only execute, modify, or terminate a Rule 10b5-1 plan during a window period, and directors and officers subject to the requirements of Section 16 of the Securities Exchange Act of 1934 (generally, the CEO/President, the CFO, all EVPs, and the Chief Accounting Officer) are subject to a cooling off period of at least 90 days between the date of adoption or modification of a Rule 10b5-1 plan and the first trade under that new or modified plan. The material terms (other than pricing information) of any Rule 10b5-1 plan adopted or modified by a director or Section 16 officer also are required to be disclosed by Unum in its corresponding quarterly or annual report filed with the SEC.
As noted above, all Rule 10b5-1 plans, including modifications, must be expressly approved in writing in advance by the General Counsel.
c.Pre-Clearance for Certain Corporate Insiders
In addition to conducting transactions in Unum securities only during window periods, all members of Unum’s Board of Directors, all EVPs, and all SVPs also must obtain advance written approval of the General Counsel to transact in Unum securities, and all transactions so approved must be completed within three business days after obtaining such approval. The General Counsel is under no obligation to approve any transaction submitted for pre-clearance and may determine not to permit the transaction in her or his discretion.
d.Designated Broker
Any transactions in Unum securities by a corporate insider, including the adoption of a Rule 10b5-1 plan, must be made through Unum’s designated broker, which at the time of effectiveness of this policy is Fidelity, or another broker approved by the General Counsel.
e.No Short Sales
No corporate insider may make short sales of Unum stock or take an equivalent position.
f.No Derivatives
No corporate insider may transact in derivatives of Unum stock, such as publicly traded put or call options.
g.No Pledges
No corporate insider may pledge Unum securities as security for a loan, which includes but is not limited to holding Unum securities in a margin account.
h.No Hedges
No corporate insider may engage in any transaction intended to hedge or offset a decrease in the market value of Unum securities.
8.What happens if I violate this policy?
Violations of this policy may subject the violator not only to disciplinary action, including termination from employment; they may also be against the law and can lead to significant fines and even prison time. The U.S.
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Securities and Exchange Commission (“SEC”) aggressively enforces insider trading laws and uses advanced data monitoring and analytics tools to monitor suspicious trading in a company’s securities and uncover potential insider trading. Even the appearance of insider trading, such as a coincidentally timed sale of Unum stock shortly before the public announcement of negative quarterly earnings, could subject someone to an investigation by Unum or the SEC, even if the individual was unaware of the earnings information prior to the stock sale. As a result, individuals who routinely have access to material nonpublic information about Unum must be extremely careful about buying or selling Unum securities.
Suspected violations of this policy should be reported to the Corporate Secretary or the Chief Compliance Officer or may be reported confidentially through Unum’s ethics hotline.
9.Where can I get help with this policy?
This policy is administered by the General Counsel, though the Corporate Secretary may perform any or all of the General Counsel’s duties and obligations described in this policy. If you have any questions or need help with this policy, please contact the office of the General Counsel or the Corporate Secretary.
10.Securities Repurchases
Open-market repurchases by Unum of Unum securities should be effected only (a) when Unum is not in possession of material nonpublic information about Unum, (b) pursuant to a Rule 10b5-1 plan entered into at a time when Unum was not in possession of material nonpublic information, or (c) otherwise in compliance with applicable securities laws.

Last Reviewed Date: 12/4/2024, effective as of 12/16/2024
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 EX-21 9 unm123124ex21.htm EX-21 Document

EXHIBIT 21

SUBSIDIARIES OF THE REGISTRANT
Subsidiary NameState or Jurisdiction of Incorporation
Claims Services International LimitedEngland and Wales
Colonial Life & Accident Insurance CompanySouth Carolina
Duncanson & Holt Europe Ltd.England and Wales
Duncanson & Holt, Inc.New York
Fairwind Insurance CompanyVermont
First Look Vision Network, L.L.C.Missouri
First Unum Life Insurance CompanyNew York
H&J Capital, L.L.C.Louisiana
LeaveLogic, Inc.Delaware
National Dental Plan LimitedEngland and Wales
Provident Investment Management, LLCTennessee
Provident Life and Accident Insurance CompanyTennessee
Provident Life and Casualty Insurance CompanyTennessee
Starmount Life Insurance CompanyMaine
Starmount Managed Dental of California, Inc. dba Unum Dental HMO PlanCalifornia
The Paul Revere Life Insurance CompanyMassachusetts
UDVAS, LLCDelaware
Unum European Holding Company LimitedEngland and Wales
Unum Insurance Agency, LLCDelaware
Unum Insurance CompanyMaine
Unum Ireland LimitedIreland
Unum Life Insurance Company of AmericaMaine
Unum LimitedEngland and Wales
Unum Select LimitedEngland and Wales
Unum Zycie Towarzystwo Ubezpieczen i Reasekuracji Spolka AkcyjnaPoland



EX-23 10 unm123124ex23.htm EX-23 Document

EXHIBIT 23
CONSENT OF ERNST & YOUNG LLP,
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the incorporation by reference in the following Registration Statements:

1.Registration Statement (Form S-8 No. 333-123422) of Unum Group (formerly UnumProvident Corporation) pertaining to:
a.UnumProvident Corporation Amended and Restated Employee Stock Purchase Plan
b.UnumProvident Corporation Amended and Restated Non-Employee Director Compensation Plan of 2004,
2.Registration Statement (Form S-8 No. 333-145400) of Unum Group pertaining to the Unum Group Stock Incentive Plan of 2007,
3.Registration Statement (Form S-8 No. 333-183733) of Unum Group pertaining to the Unum Group Stock Incentive Plan of 2012 and the Unum Group Stock Incentive Plan of 2017,
4.Registration Statement (Form S-8 No. 333-218226) of Unum Group pertaining to the Unum Group Stock Incentive Plan of 2017,
5.Registration Statement (Form S-8 No. 333-239239) of Unum Group pertaining to the Unum European Holding Company Limited Savings-Related Share Option Scheme 2021 and the Unum Group 2020 Employee Stock Purchase Plan,
6.Registration Statement (Form S-8 No. 333-265246) of Unum Group pertaining to the Unum Group 2022 Stock Incentive Plan,
7.Registration Statement (Form S-8 No. 333-269981) of Unum Group pertaining to the Unum Group Approved Profit Share Scheme (Ireland), and
8.Registration Statement (Form S-3 ASR No. 333-271511) of Unum Group;

of our reports dated February 27, 2025, with respect to the consolidated financial statements and schedules of Unum Group and Subsidiaries and the effectiveness of internal control over financial reporting of Unum Group and Subsidiaries included in this Annual Report (Form 10-K) for the year ended December 31, 2024.

/s/ Ernst & Young LLP
Chattanooga, Tennessee
February 27, 2025


EX-24 11 unm123124ex24.htm EX-24 Document

EXHIBIT 24

POWER OF ATTORNEY
KNOW ALL BY THESE PRESENTS, that each of the undersigned, as a director of Unum Group, a Delaware corporation (the “Company”), hereby appoints Lisa G. Iglesias and J. Paul Jullienne, each with power to act without the other and with full power of substitution and resubstitution, as his or her true and lawful attorney-in-fact and agent for him or her and in his or her name, place, and stead, in any and all capacities, to sign the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, or such other form or forms as any such attorney-in-fact may deem necessary or advisable, and any and all amendments or supplements thereto, and to file the same, together with all exhibits thereto and any and all other documents in connection therewith, with the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, and the rules or regulations thereunder, granting unto each said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite, necessary, or desirable to be done in connection therewith, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes or resubstitutes, may lawfully do or cause to be done by virtue hereof.


IN WITNESS WHEREOF, the undersigned have each executed this Power of Attorney as of February 27, 2025.

/s/ Theodore H. Bunting, Jr./s/ Timothy F. Keaney
Theodore H. Bunting, Jr.Timothy F. Keaney
/s/ Susan L. Cross/s/ Gale V. King
Susan L. CrossGale V. King
/s/ Susan D. DeVore
/s/ Gloria C. Larson
Susan D. DeVore
Gloria C. Larson
/s/ Joseph J. Echevarria
/s/ Mojgan M. Lefebvre
Joseph J. Echevarria
Mojgan M. Lefebvre
/s/ Cynthia L. Egan
/s/ Richard P. McKenney
Cynthia L. Egan
Richard P. McKenney
/s/ Kevin T. Kabat
/s/ Ronald P. O'Hanley
Kevin T. Kabat
Ronald P. O'Hanley



 EX-31.1 12 unm123124ex311.htm EX-31.1 Document

EXHIBIT 31.1

CERTIFICATION

I, Richard P. McKenney, certify that:

1. I have reviewed this annual report on Form 10-K of Unum Group;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 
(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and
 
5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.


Date: February 27, 2025/s/ Richard P. McKenney
Richard P. McKenney
President and Chief Executive Officer

A signed original of this written statement required by Section 302 of the Sarbanes-Oxley Act of 2002 has been provided to Unum Group and will be retained by Unum Group and furnished to the Securities and Exchange Commission or its staff upon request.

EX-31.2 13 unm123124ex312.htm EX-31.2 Document

EXHIBIT 31.2

CERTIFICATION

I, Steven A. Zabel, certify that:

1. I have reviewed this annual report on Form 10-K of Unum Group;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 
(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.


Date: February 27, 2025/s/ Steven A. Zabel
Steven A. Zabel
Executive Vice President, Chief Financial Officer

A signed original of this written statement required by Section 302 of the Sarbanes-Oxley Act of 2002 has been provided to Unum Group and will be retained by Unum Group and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.1 14 unm123124ex321.htm EX-32.1 Document

EXHIBIT 32.1

STATEMENT OF CHIEF EXECUTIVE OFFICER
OF UNUM GROUP
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
§ 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Unum Group (the Company) on Form 10-K for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the Report), the undersigned, Richard P. McKenney, President and Chief Executive Officer of the Company, certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
 
1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
 
2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 27, 2025/s/ Richard P. McKenney
Richard P. McKenney
President and Chief Executive Officer

A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to Unum Group and will be retained by Unum Group and furnished to the Securities and Exchange Commission or its staff upon request.


EX-32.2 15 unm123124ex322.htm EX-32.2 Document

EXHIBIT 32.2

STATEMENT OF CHIEF FINANCIAL OFFICER
OF UNUM GROUP
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
§ 906 OF THE SARBANES-OXLEY ACT OF 2002
 
In connection with the Annual Report of Unum Group (the Company) on Form 10-K for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the Report), the undersigned, Steven A. Zabel, Executive Vice President and Chief Financial Officer of the Company, certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
 
1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
 
2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 
Date: February 27, 2025/s/ Steven A. Zabel
Steven A. Zabel
Executive Vice President, Chief Financial Officer

A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to Unum Group and will be retained by Unum Group and furnished to the Securities and Exchange Commission or its staff upon request.


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XML 23 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 25, 2025
Jun. 30, 2024
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Amendment Flag false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Year Focus 2024    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Transition Report false    
Entity File Number 001-11294    
Entity Registrant Name Unum Group    
Entity Central Index Key 0000005513    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 62-1598430    
Entity Address, Address Line One 1 Fountain Square    
Entity Address, City or Town Chattanooga,    
Entity Address, State or Province TN    
Entity Address, Postal Zip Code 37402    
City Area Code 423    
Local Phone Number 294-1011    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 9,600,000,000
Entity Common Stock, Shares Outstanding   176,777,741  
Auditor Firm ID 42    
Auditor Name Ernst & Young LLP    
Auditor Location Chattanooga, Tennessee    
NEW YORK STOCK EXCHANGE, INC. | Common Class A      
Entity Information [Line Items]      
Title of 12(b) Security Common stock, $0.10 par value    
Trading Symbol UNM    
Security Exchange Name NYSE    
NEW YORK STOCK EXCHANGE, INC. | 6.250% Junior Subordinated Notes due 2058      
Entity Information [Line Items]      
Title of 12(b) Security 6.250% Junior Subordinated Notes due 2058    
Trading Symbol UNMA    
Security Exchange Name NYSE    
XML 24 R2.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Investments    
Fixed Maturity Securities - at fair value (amortized cost of $38,269.9; $38,410.6; allowance for credit losses of $2.8; $2.2) $ 35,629.9 $ 36,833.9
Mortgage Loans (net of allowance for credit losses of $16.1; $10.2) 2,224.5 2,318.2
Policy Loans 3,617.2 3,620.2
Other Long-term Investments 1,694.4 1,579.4
Short-term Investments 2,540.3 1,610.7
Total Investments 45,706.3 45,962.4
Other Assets    
Cash and Bank Deposits 162.8 146.0
Accounts and Premiums Receivable (net of allowance for credit losses of $26.8; $29.5) 1,459.0 1,543.7
Reinsurance Recoverable (net of allowance for credit losses of $1.5; $1.7) 8,296.4 9,108.4
Accrued Investment Income 649.8 633.9
Deferred Acquisition Costs 2,842.8 2,714.5
Goodwill 349.1 349.9
Property and Equipment 487.6 485.3
Deferred Income Tax 369.7 649.4
Other Assets 1,635.8 1,661.7
Total Assets 61,959.3 63,255.2
Liabilities    
Future Policy Benefits 36,806.4 40,009.4
Policyholders' Account Balances 5,633.7 5,667.7
Unearned Premiums 384.0 380.2
Other Policyholders' Funds 1,526.7 1,615.7
Income Tax Payable 226.5 190.0
Deferred Income Tax 31.0 27.0
Short-term debt 274.6 0.0
Long-term Debt 3,465.2 3,430.4
Other Liabilities 2,650.1 2,283.4
Total Liabilities 50,998.2 53,603.8
Commitments and Contingent Liabilities - Note 16
Stockholders' Equity    
Common Stock, $0.10 par; authorized: 725,000,000 shares; issued: 195,460,723 and 194,588,625 shares 19.5 19.4
Additional Paid-in Capital 1,489.6 1,547.8
Accumulated Other Comprehensive Loss (2,523.7) (3,308.0)
Retained Earnings 12,914.0 11,431.5
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares (938.3) (39.3)
Total Stockholders' Equity 10,961.1 9,651.4
Total Liabilities and Stockholders' Equity $ 61,959.3 $ 63,255.2
XML 25 R3.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Investments    
Amortized Cost of Fixed Maturity Securities $ 38,269.9 $ 38,410.6
Debt Securities, Available-for-sale, Allowance for Credit Loss for Fixed Maturity Securities 2.8 2.2
Allowance for credit losses for Mortgage Loans 16.1 10.2
Other Assets    
Premium Receivable, Allowance for Credit Loss 26.8 29.5
Reinsurance Recoverable, Allowance for Credit Loss $ 1.5 $ 1.7
Stockholders' Equity, Number of Shares, Par Value and Other Disclosure    
Common Stock, Par Value (in dollars per share) $ 0.10 $ 0.10
Common Stock, Shares Authorized 725,000,000 725,000,000
Common Stock, Shares Issued 195,460,723 194,588,625
Treasury Stock, Shares at Cost 16,871,752 1,216,528
XML 26 R4.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED STATEMENTS OF INCOME - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Revenue      
Premium Income $ 10,497.4 $ 10,046.0 $ 9,616.5
Net Investment Income 2,130.0 2,096.7 2,122.2
Net Investment Loss (34.6) (36.0) (15.7)
Other Income 294.5 279.2 261.1
Total Revenue 12,887.3 12,385.9 11,984.1
Benefits and Expenses      
Policy Benefits 7,480.2 7,311.9 7,542.1
Policy Benefits - Remeasurement Gain 562.3 54.8 547.5
Commissions 1,258.6 1,170.1 1,086.4
Interest and Debt Expense 201.1 194.8 188.5
Cost Related to Early Retirement of Debt 0.0 0.0 4.2
Deferral of Acquisition Costs (651.5) (632.2) (556.9)
Amortization of Deferred Acquisition Costs 521.0 481.4 421.1
Compensation Expense 1,166.2 1,162.6 1,089.5
Other Expenses 1,222.7 1,112.0 1,006.7
Total Benefits and Expenses 10,636.0 10,745.8 10,234.1
Income Before Income Tax 2,251.3 1,640.1 1,750.0
Income Tax      
Current 432.1 452.0 473.5
Income Tax - Deferred 40.1 (95.7) (130.7)
Total Income Tax 472.2 356.3 342.8
Net Income $ 1,779.1 $ 1,283.8 $ 1,407.2
Net Income Per Common Share      
Basic $ 9.49 $ 6.53 $ 7.01
Assuming Dilution $ 9.46 $ 6.50 $ 6.96
XML 27 R5.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of Comprehensive Income [Abstract]      
Net Income $ 1,779.1 $ 1,283.8 $ 1,407.2
Other Comprehensive Income (Loss)      
Change in Net Unrealized Gain (Loss) on Securities (net of tax expense (benefit) of $(226.6); $300.6; $(1,890.8)) (836.1) 1,109.3 (7,042.8)
Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy Benefits, Net of Reinsurance (net of tax expense (benefit) of $488.9; $(256.5); $2,385.1) 1,833.8 (962.3) 8,884.6
Change in Net Gain (Loss) on Derivatives (net of tax benefit of $51.5; $17.0; $19.2) (197.0) (64.1) (71.4)
Change in Foreign Currency Translation Adjustment (net of tax expense (benefit) of $1.1; $0.9; $(0.1)) (21.9) 69.0 (116.0)
Change in Unrecognized Pension and Postretirement Benefit Costs (net of tax expense (benefit) of $12.0; $(2.7); $18.9) (5.5) 11.6 (61.9)
Total Other Comprehensive Income 784.3 140.3 1,716.3
Comprehensive Income $ 2,563.4 $ 1,424.1 $ 3,123.5
XML 28 R6.htm IDEA: XBRL DOCUMENT v3.25.0.1
STATEMENT OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of Comprehensive Income [Abstract]      
Income Tax Expense (Benefit), Change in Net Unrealized Gain on Securities $ (226.6) $ 300.6 $ (1,890.8)
Income Tax Expense (Benefit), Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy and Contract Benefits 488.9 (256.5) 2,385.1
Income Tax Benefit, Change in Net Gain (Loss) on Derivatives (51.5) (17.0) (19.2)
Income Tax Expense (Benefit), Change in Foreign Currency Translation Adjustment 1.1 0.9 (0.1)
Income Tax Expense (Benefit), Change in Unrecognized Pension and Postretirement Benefit Costs $ 12.0 $ (2.7) $ 18.9
XML 29 R7.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Treasury Stock, Common
Balance at Beginning of Year at Dec. 31, 2021   $ 30.7 $ 2,408.1 $ (5,164.6) $ 11,989.4 $ (3,229.7)
Increase (Decrease) in Stockholders' Equity            
Common Stock Activity   0.1 32.9      
Other Comprehensive Income $ 1,716.3     1,716.3    
Net Income 1,407.2       1,407.2  
Dividends to Stockholders (per common share: $1.57; $1.39; $1.26)         (255.3)  
Repurchases of Treasury Stock (200.1) [1]   0.0     (200.1)
Treasury Stock, Retired, Cost Method, Amount   0.0 0.0   0.0 0.0
Balance at End of Year at Dec. 31, 2022 8,735.0 30.8 2,441.0 (3,448.3) 13,141.3 (3,429.8)
Increase (Decrease) in Stockholders' Equity            
Common Stock Activity   0.1 21.3      
Other Comprehensive Income 140.3     140.3    
Net Income 1,283.8       1,283.8  
Dividends to Stockholders (per common share: $1.57; $1.39; $1.26)         (277.1)  
Repurchases of Treasury Stock (252.0) [1]   0.0     (252.0)
Treasury Stock, Retired, Cost Method, Amount (3,642.5) (11.5) (914.5)   (2,716.5) (3,642.5)
Balance at End of Year at Dec. 31, 2023 9,651.4 19.4 1,547.8 (3,308.0) 11,431.5 (39.3)
Increase (Decrease) in Stockholders' Equity            
Common Stock Activity   0.1 22.1      
Other Comprehensive Income 784.3     784.3    
Net Income 1,779.1       1,779.1  
Dividends to Stockholders (per common share: $1.57; $1.39; $1.26)         (296.6)  
Repurchases of Treasury Stock (979.3) [1]   (80.3)     (899.0)
Treasury Stock, Retired, Cost Method, Amount   0.0 0.0   0.0 0.0
Balance at End of Year at Dec. 31, 2024 $ 10,961.1 $ 19.5 $ 1,489.6 $ (2,523.7) $ 12,914.0 $ (938.3)
[1] Includes $80.3 million related to shares which settled in February 2025 in connection with the November 2024 accelerated share repurchase agreement (ASR), a de minimis amount of commissions for the year ended December 31, 2024, and $0.1 million of commissions for the years ended December 31, 2023 and 2022. Also includes $8.3 million and $1.9 million of excise tax for the years ended December 31, 2024 and 2023, respectively. There were no excise taxes during the year ended December 31, 2022.
XML 30 R8.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Common Stock, Dividends, Per Share, Cash Paid $ 1.57 $ 1.39 $ 1.26
XML 31 R9.htm IDEA: XBRL DOCUMENT v3.25.0.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Cash Flows from Operating Activities      
Net Income $ 1,779.1 $ 1,283.8 $ 1,407.2
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities      
Change in Receivables 623.9 602.7 590.6
Change in Deferred Acquisition Costs (130.5) (150.8) (135.8)
Change in Insurance Liabilities (780.9) (313.2) (244.7)
Change in Income Taxes 97.6 (84.3) (31.3)
Change in Other Accrued Liabilities (32.3) (74.8) (113.9)
Non-cash Components of Net Investment Income (248.9) (240.3) (247.0)
Net Investment Loss 34.6 36.0 15.7
Depreciation 116.1 108.8 110.5
Amortization of the Cost of Reinsurance 41.4 44.1 50.3
Other, Net 13.1 (9.2) 17.1
Net Cash Provided by Operating Activities 1,513.2 1,202.8 1,418.7
Cash Flows from Investing Activities      
Proceeds from Sales of Fixed Maturity Securities 877.3 1,062.7 559.5
Proceeds from Maturities of Fixed Maturity Securities 1,483.0 1,578.1 1,532.5
Proceeds from Sales and Maturities of Other Investments 332.1 360.0 445.9
Purchase of Fixed Maturity Securities (2,001.7) (2,991.4) (2,835.3)
Purchase of Other Investments (319.1) (361.2) (482.9)
Net Purchases of Short-term Investments (842.1) (141.0) (22.6)
Net Increase (Decrease) in Payables for Collateral on Investments 251.8 (98.3) (50.8)
Net Purchases of Property and Equipment (125.7) (134.8) (102.2)
Net Cash Used by Investing Activities (344.4) (725.9) (955.9)
Cash Flows from Financing Activities      
Short-term Debt Repayment 0.0 (2.0) 0.0
Issuance of Long-term Debt 391.6 0.0 349.2
Long-term Debt Repayment (350.0) 0.0 (364.0)
Cost Related to Early Retirement of Debt 0.0 0.0 3.6
Issuance of Common Stock 6.0 5.2 4.0
Repurchase of Common Stock (972.9) (250.1) (200.1)
Dividends Paid to Stockholders (296.5) (277.1) (254.2)
Proceeds from Policyholder Account Deposits 133.2 143.4 119.8
Payments for Policyholder Account Withdrawals (82.7) (87.0) (72.0)
Cash Received Related to Active Life Volatility Cover Agreement 26.7 18.6 5.2
Other, Net (7.4) (1.1) (2.9)
Net Cash Used by Financing Activities (1,152.0) (450.1) (418.6)
Net Increase (Decrease) in Cash and Bank Deposits 16.8 26.8 44.2
Cash and Bank Deposits at Beginning of Year 146.0 119.2 75.0
Cash and Bank Deposits at End of Year $ 162.8 $ 146.0 $ 119.2
XML 32 R10.htm IDEA: XBRL DOCUMENT v3.25.0.1
Significant Accounting Policies
 12 Months Ended
Dec. 31, 2024
Accounting policies and error corrections [Abstract]  
Significant Accounting Policies
Basis of Presentation: The accompanying consolidated financial statements of Unum Group and its subsidiaries (the Company) have been prepared in accordance with U.S. generally accepted accounting principles (GAAP). Such accounting principles differ from statutory accounting principles (see Note 18). Intercompany transactions have been eliminated.

Description of Business: We are a leading provider of financial protection benefits in the United States, the United Kingdom, and Poland. Our products include disability, life, accident, critical illness, dental and vision, and other solutions based services. We market our products primarily through the workplace.

We have three principal operating segments: Unum US, Unum International, and Colonial Life. Our other operating segments are Closed Block and Corporate. See Note 15 for further discussion of our operating segments.

Use of Estimates: The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Such estimates and assumptions could change in the future as more information becomes known, which could impact the amounts reported and disclosed herein.

In accordance with standard practice, we regularly review the methodology used in the development of all key estimates. As a result of this review, in 2022, we updated our estimate of the unearned premium reserve for certain of our product lines to utilize a gross unearned premium reserve rather than a net unearned premium reserve. The effect of this change in estimate was to decrease 2022 premium income by $13.4 million and decrease commissions by $1.0 million. This resulted in a decrease to net income of $9.8 million and a decrease to both basic and diluted earnings per share by $0.05.

Fixed Maturity Securities: Fixed maturity securities include long-term bonds and redeemable preferred stocks. Our fixed maturity securities are classified as available-for-sale and reported at fair value. Changes in the fair value of available-for-sale fixed maturity securities, except for amounts related to impairment and credit losses recognized in earnings, are reported as a component of other comprehensive income, net of income tax. Realized investment gains or losses are based upon specific identification of the investments sold.

Interest income is recorded as part of net investment income when earned, using an effective yield method giving effect to amortization of premium and accretion of discount. Included within fixed maturity securities are mortgage-backed and asset-backed securities.  We recognize investment income on these securities using a constant effective yield based on projected prepayments of the underlying loans and the estimated economic life of the securities.  Actual prepayment experience is reviewed periodically, and effective yields are recalculated when differences arise between prepayments originally projected and the actual prepayments received and currently projected.  The effective yield is recalculated on a retrospective basis, and the adjustment is reflected in net investment income. For fixed maturity securities on which collection of investment income is uncertain, we discontinue the accrual of investment income and recognize investment income when interest and dividends are received. Payment terms specified for fixed maturity securities may include a prepayment penalty for unscheduled payoff of the investment.  Prepayment penalties are recognized as investment income when received.

In determining when a decline in fair value below amortized cost of a fixed maturity security is a credit loss, we evaluate available information, both positive and negative, in reaching our conclusions. In particular, we consider the strength of the issuer's balance sheet, its debt obligations and near-term funding requirements, cash flow and liquidity, the profitability of its core businesses, the availability of marketable assets which could be sold to increase liquidity, its industry fundamentals and regulatory environment, and its access to capital markets. Although all available and applicable factors are considered in our analysis, our expectation of recovering the entire amortized cost basis of the security, whether we intend to sell the security, whether it is more likely than not that we will be required to sell the security before recovery of its amortized cost, and whether the security is current on principal and interest payments are the most critical factors in determining whether impairments represent credit losses. The significance of the decline in value is also an important factor, but we generally do not record an impairment loss based solely on this factor, since often other more relevant factors will impact our evaluation of a security.

For securities with a decline in fair value below amortized cost which we intend to sell or more likely than not will be required to sell before recovery in value, the amortized cost of the investment is written down to fair value through earnings, and an impairment loss is recognized in the current period. For securities that we believe are impaired and which we do not intend to
sell and it is not more likely than not that we will be required to sell before recovery in value, we calculate an allowance for credit losses recognized in earnings which generally represents the difference between the amortized cost of the security and the present value of our best estimate of cash flows expected to be collected, discounted using the effective interest rate implicit in the security at the date of acquisition and limited by the difference between amortized cost and fair value of the security. For fixed maturity securities for which we have recognized an allowance for credit loss through earnings, if through subsequent evaluation there is a significant increase in expected cash flows, the allowance is reduced and is recognized as a reduction to credit losses in the current period. When an allowance for credit losses on a fixed maturity security is recognized, we designate non-accrual status for those securities.  We reverse all previously accrued interest through interest income and use a cash basis method for recognizing any future payments received. See Notes 2 and 3.

Mortgage Loans: Mortgage loans are generally held for investment and are carried at amortized cost less an allowance for expected credit losses. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. Prepayment penalties are recognized as investment income when received. For mortgage loans on which collection of interest income is uncertain, we discontinue the accrual of interest and recognize it in the period when an interest payment is received. We typically do not resume the accrual of interest on mortgage loans on nonaccrual status until there are significant improvements in the underlying financial condition of the borrower. We consider a loan to be delinquent if full payment is not received in accordance with the contractual terms of the loan.

We evaluate each of our mortgage loans individually for impairment and assign an internal credit quality rating based on a comprehensive rating system used to evaluate the credit risk of the loan. Although all available and applicable factors are considered in our analysis, loan-to-value and debt service coverage ratios are the most critical factors in determining impairment. We estimate an allowance for credit losses that we expect to incur over the life of our mortgage loans using a probability of default method. For each loan, we estimate the probability that the loan will default before its maturity (probability of default) and the amount of the loss if the loan defaults (loss given default). These two factors result in an expected loss percentage that is applied to the amortized cost of each loan to determine the expected credit loss. As we are typically the original underwriter of the mortgage loans, the amortized cost generally equals the principal amount of the loan. We measure losses on defaults of our mortgage loans as the excess amortized cost of the mortgage loan over the fair value of the underlying collateral in the event that we foreclose on the loan or over the expected future cash flows of the loan if we retain the mortgage loan until payoff. We do not purchase mortgage loans with existing credit impairments.

In estimating the probability of default, we consider historical experience, current market conditions, and reasonable and supportable forecasts about the future market conditions. We utilize our historical loan experience in combination with a large third-party industry database for a period of time that aligns with the average life of our loans based on the maturity dates of the loans and prepayment experience. Our model utilizes an industry database of the historical loss experience based on our actual portfolio characteristics such as loan-to-value, debt service coverage, collateral type, geography, and late payment history. In addition, because we actively manage our portfolio, we may extend the term of a loan in certain situations and will accordingly extend the maturity date in the estimate of probability of default. In estimating the loss given default, we primarily consider the type and value of collateral and secondarily the expected liquidation costs and time to recovery.

The primary market factors that we consider in our forecast of future market conditions are gross domestic product, unemployment rates, interest rates, inflation, commercial real estate values, household formation, and retail sales. We also forecast certain loan specific factors such as growth in the fair value and net operating income of collateral by property type. We include our estimate of these factors over a two-year period and for the remainder of the loans’ estimated lives, adjusted for estimated prepayments. Past the two-year forecast period, we revert to the historical assumptions ratably by the end of the fifth year of the loan after which we utilize only historical assumptions.

We utilize various scenarios to estimate our allowance for expected losses ranging from a base case scenario that reflects normal market conditions to a severe case scenario that reflects adverse market conditions. We will adjust our allowance each period to utilize the scenario or weighting of the scenarios that best reflects our view of current market conditions. Additions and reductions to our allowance for credit losses on mortgage loans are reported as a component of net investment gains and losses. See Note 3.
Policy Loans: Policy loans are presented at the unpaid balances directly related to policyholders. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. Included in policy loans are $3,313.6 million and $3,322.5 million of policy loans ceded to reinsurers at December 31, 2024 and 2023, respectively.

Other Long-term Investments: Other long-term investments are comprised primarily of private equity partnerships, real estate, perpetual preferred stock, common stock, tax credit partnerships, and derivatives - which are described in "Derivative Financial Instruments" below.

Our investments in private equity partnerships are passive in nature and represent funds that are primarily invested in private credit, private equity, and real assets. We account for our investments in these partnerships using either the equity method or at fair value through net income depending on the level of ownership and the degree of our influence over partnership operating and financial policies. For investments in partnerships accounted for under the equity method, we report our investments at our share of the partnership's net asset value (NAV) and record our portion of partnership earnings as a component of net investment income. For investments in partnerships accounted for at fair value through net income, we also report our investments at our share of the partnership's NAV as a practical expedient for fair value with increases or decreases recorded as a component of net investment income. Distributions received from the funds arise from income generated by the underlying investments as well as the liquidation of the underlying investments and there is generally not a public market for these investments.

Investment real estate is primarily comprised of property held for the production of income and property held for sale. Property held for the production of income is carried at cost less accumulated depreciation and any write-downs to fair value for impairment losses. Depreciation is recorded on a straight-line basis over the estimated useful life of the asset. A review for impairment is made whenever events or circumstances indicate that the carrying value may not be recoverable. An impairment loss is recognized when the carrying value of the property exceeds the expected undiscounted cash flows generated from the property, at which point the carrying value is written down to an estimated fair value. Real estate held for sale is carried at the lower of depreciated cost or fair value less estimated selling costs and is not further depreciated once classified as such.

Our perpetual preferred stocks are valued at fair value, based on quoted market prices, where available. For preferred stocks not actively traded, fair values are estimated using values obtained from independent pricing services. Our investments in common stock are valued at fair value. Our shares of Federal Home Loan Bank (FHLB) common stock are carried at cost, which approximates fair value.

Tax credit partnerships in which we have invested were formed for the purpose of investing in the construction and rehabilitation of low-income housing.  Because the partnerships are structured such that there is no return of principal, the primary sources of investment return from our tax credit partnerships are tax credits and tax benefits derived from passive losses on the investments, both of which may exhibit variability over the life of the investment.  These partnerships are accounted for using either the proportional or the effective yield method, depending primarily on whether the tax credits are guaranteed through a letter of credit, a tax indemnity agreement, or another similar arrangement. Tax credits received from these partnerships are reported in our consolidated statements of income as either a reduction of premium tax or a reduction of income tax. The amortization of the principal amount invested in these partnerships is reported as a component of either premium tax or income tax.

See Notes 2, 3, and 4 for further discussion of our other long-term investments.

Short-term Investments: Short-term investments are carried at cost. Short-term investments include investments maturing within one year of purchase, such as corporate commercial paper and Treasury bills, bank term deposits, and other cash accounts and cash equivalents earning interest.

Cash and Bank Deposits: Cash and bank deposits include cash on hand and non-interest bearing cash and deposit accounts.

Derivative Financial Instruments: Derivative financial instruments (including certain derivative instruments embedded in other contracts) are recognized as either other long-term investments or other liabilities in our consolidated balance sheets and are reported at fair value. The accounting for a derivative depends on whether it has been designated and qualifies as part of a
hedging relationship, and further, on the type of hedging relationship. To qualify for hedge accounting, at the inception of the hedging transaction, we formally document the risk management objective and strategy for undertaking the hedging transaction, as well as the designation of the hedge as either a fair value hedge or a cash flow hedge. Included in this documentation is how the hedging instrument is expected to hedge the designated risk related to specific assets or liabilities on the balance sheet or to specific forecasted transactions as well as a description of the method that will be used to retrospectively and prospectively assess the hedging instrument's effectiveness.

A derivative designated as a hedging instrument must be assessed as being highly effective in offsetting the designated risk of the hedged item. Hedge effectiveness is formally assessed at inception and periodically throughout the life of the designated hedging relationship, using qualitative and quantitative methods. Qualitative methods include comparison of critical terms of the derivative to the hedged item. Quantitative methods include regression or other statistical analysis of changes in fair value or cash flows associated with the hedge relationship.

Changes in the fair value of a derivative designated as a fair value hedge and changes in the fair value of the hedged item attributable to the risk being hedged are recognized in earnings as a component of net investment gain or loss during the period of change in fair value.  For gains or losses on the derivative instrument that are excluded from the assessment of hedge effectiveness, those gains and losses are recognized in other comprehensive income or loss and amortized into earnings in the same income statement line as the related hedged item. The gain or loss on the termination of a fair value hedge is recognized in earnings as a component of net investment gain or loss during the period in which the termination occurs. When interest rate swaps are used in hedge accounting relationships, periodic settlements are recorded in the same income statement line as the related settlements of the hedged items.

Changes in the fair value of a derivative designated as a cash flow hedge are reported in other comprehensive income and reclassified into earnings and reported on the same income statement line item as the hedged item and in the same period or periods during which the hedged item affects earnings. The gain or loss on the termination of an effective cash flow hedge is reported in other comprehensive income and reclassified into earnings and reported on the same income statement line item as the hedged item and in the same period or periods during which the hedged item affects earnings.

Gains or losses on the termination of ineffective fair value or cash flow hedges are reported in earnings as a component of net investment gain or loss. In the event a hedged item is disposed of or the anticipated transaction being hedged is no longer likely to occur, we will terminate the related derivative and recognize the gain or loss on termination in current earnings as a component of net investment gain or loss. In the event a hedged item is disposed of subsequent to the termination of the hedging transaction, we reclassify any remaining gain or loss on the hedge out of accumulated other comprehensive income (loss) (AOCI) into earnings as a component of the same income statement line item wherein we report the gain or loss on disposition of the hedged item.

For a derivative not designated as a hedging instrument, changes in the fair value of the derivative, together with the payment of periodic fees, if applicable, are recognized in the same income statement line item as the hedged item during the period of change in fair value.

Cash flows related to derivative contracts are included in the consolidated statements of cash flows, coinciding with the timing of the underlying exposure. Cash inflows are included as a component of proceeds from sales and maturities of other investments. Cash outflows are included as a component of purchases of other investments.

In our consolidated balance sheets, we do not offset fair value amounts recognized for derivatives executed with the same counterparty under a master netting agreement and fair value amounts recognized for the right to reclaim cash collateral or the obligation to return cash collateral arising from those master netting agreements. See Notes 2, 3, and 4.

Fair Value Measurement: Certain assets and liabilities are reported at fair value in our consolidated balance sheets and in our notes to our consolidated financial statements. We define fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Therefore, fair value represents an exit price, not an entry price. The exit price objective applies regardless of our intent and/or ability to sell the asset or transfer the liability at the measurement date. Assets or liabilities with readily available actively quoted prices or for
which fair value can be measured from actively quoted prices in active markets generally have more pricing observability and less judgment utilized in measuring fair value. When actively quoted prices are not available, fair values are based on quoted prices in markets that are not active, quoted prices for similar but not identical assets or liabilities, or other observable inputs. If observable inputs are not available, unobservable inputs and/or adjustments to observable inputs requiring management judgment are used to determine fair value. We categorize our assets and liabilities measured at estimated fair value into a three-level hierarchy, based on the significance of the inputs. The fair value hierarchy gives the highest priority to inputs which are unadjusted and represent quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). See Note 2.

Allowance for Credit Losses on Premiums Receivable: We establish an allowance for credit losses on premiums receivable, which is deducted from the gross amount of our receivable balance, to present the net amount we expect to collect on this asset. The allowance is forward-looking in nature and is calculated based on considerations regarding both historical events and future expectations. Periodic changes in the allowance are recorded through earnings.

The allowance on our premiums receivable is primarily determined using an aging analysis as well as historical lapse and delinquency rates by product line, adjusted for key factors that may impact our future expectation of premium receipts such as changes in customer demographics, business practices, economic conditions, and product offerings. We write off premiums receivable amounts when determined to be uncollectible, which is based on various factors, including the aging of premiums receivable past the due date and specific communication with customers. At December 31, 2024, and 2023, the allowance for expected credit losses on premiums receivable was $26.8 million and $29.5 million, respectively, on gross premiums receivable of $584.1 million and $612.4 million, respectively. The decrease in the allowance of $2.7 million during the year ended December 31, 2024 was driven primarily by the decrease in gross premiums receivable. The decrease in the allowance of $3.0 million during the year ended December 31, 2023 was driven primarily by improvements in the age of premiums receivable.

Deferred Acquisition Costs: Incremental direct costs associated with the successful acquisition of new or renewal insurance contracts have been deferred. Such costs include non-level commissions, other agency compensation, certain selection and policy issue expenses, and certain field expenses. Acquisition costs that do not vary with the production of new business, such as commissions on group products which are generally level throughout the life of the policy, are excluded from deferral.

Our insurance contracts are grouped by product type and contract issue year into cohorts consistent with the grouping used to estimate the related contract liabilities. Deferred acquisition costs (DAC) are amortized on a constant level basis over the life of the policy. For all products, in-force volume metrics are used as the constant level basis. The lapse and mortality assumptions used to amortize DAC for our traditional long-duration products are consistent with the assumptions used to estimate the liability for future policy benefits. The underlying assumptions used to determine DAC amortization are updated concurrently with any related assumption changes for the liability for future policy benefits and changes in estimates are recognized prospectively over the remaining expected term of the related contracts. Amortization expense is adjusted based on actual versus expected experience through an adjustment to the prospective rate of amortization.

For certain products, policyholders can elect to modify product benefits, features, rights, or coverages by exchanging a contract for a new contract or by amendment, endorsement, or rider to a contract, or by the election of a feature or coverage within a contract. These transactions are known as internal replacement transactions, principally on group contracts. Internal replacement transactions wherein the modification does not substantially change the policy are accounted for as continuations of the replaced contracts. The original policy continues to be reflected as an in-force policy within its original cohort. The policy's expected life then impacts the amortization of remaining unamortized deferred acquisition costs within its cohort. The costs of replacing the policy are accounted for as policy maintenance costs and expensed as incurred. Internal replacement transactions that result in a policy that is substantially changed are accounted for as an extinguishment of the original policy and the issuance of a new policy. The original policy that was replaced is terminated from its original cohort and this termination is reflected in the amortization rate of remaining unamortized deferred acquisition costs for the cohort. The costs of acquiring the new policy are capitalized and amortized as part of a new cohort. See Note 8.

Goodwill: Goodwill is the excess of the amount paid to acquire a business over the fair value of the net assets acquired. We review the carrying amount of goodwill for impairment on an annual basis, or more frequently if events or changes in
circumstances indicate that the carrying amount might not be recoverable. Goodwill impairment testing compares the fair value of a reporting unit with its carrying amount, including goodwill.  If the fair value of the reporting unit to which the goodwill relates is less than the carrying amount of the reporting unit, an impairment charge is recognized for the amount by which the carrying amount exceeds the fair value of the reporting unit in an amount not to exceed the total amount of goodwill allocated to the reporting unit. 

Property and Equipment: Property and equipment is reported at cost less accumulated depreciation, which is calculated on the straight-line method over the estimated useful life. The accumulated depreciation for property and equipment was $1,501.3 million and $1,422.8 million as of December 31, 2024 and 2023, respectively.

Value of Business Acquired: Value of business acquired represents the present value of future profits recorded in connection with the acquisition of a block of insurance policies. The asset is amortized based upon expected future premium income for non-interest sensitive insurance policies and estimated future gross profits from surrender charges, mortality margins, investment returns, and expense margins for interest sensitive insurance policies. The value of business acquired, which is included in other assets in our consolidated balance sheets, was $55.1 million and $63.9 million at December 31, 2024 and 2023, respectively. The accumulated amortization for value of business acquired was $165.5 million and $161.8 million as of December 31, 2024 and 2023, respectively.

The amortization of value of business acquired, which is included in other expenses in the consolidated statements of income, was $6.2 million, $5.2 million, and $4.9 million for the years ended December 31, 2024, 2023, and 2022, respectively. We
periodically review the carrying amount of value of business acquired and it is subject to recoverability testing.

Future Policy Benefits: Liabilities for future policy benefits represent the cost of claims that we estimate we will eventually pay to our policyholders which includes policy liabilities for claims not yet incurred and for claims that have been incurred or are estimated to have been incurred but not yet reported to us. Liabilities for future policy benefits also include the related expenses for our non interest-sensitive life and accident and health products. The liability for future policy benefits is calculated based on the present value of the estimated future policy benefits less the present value of estimated future net premiums collected. Net premiums represent the portion of the gross premium required to provide for all benefits and expenses, excluding acquisition costs or any costs that are required to be charged to expense as incurred. In calculating the liability for future policy benefits, our long-duration contracts are grouped into cohorts by product type and contract issue year.

The calculation of the liability for future policy benefits involves numerous assumptions including assumptions related to discount rate, lapses, mortality, and morbidity. The discount rate assumptions were initially set based on the expected investment yield of the assets supporting the reserves at the transition date of accounting standards update (ASU) 2018-12, which was January 1, 2021, for policies originally issued before the transition date. The discount rate assumptions for new cohorts established after the transition date, are initially set based on the policy issuance date or policy renewal date, and are based on an upper-medium grade fixed-income instrument, which is generally equivalent to a single-A interest rate matched to the duration of our insurance liabilities. As cohorts are grouped by product type and issue year, a weighted average discount rate is utilized as policies are issued or renewed throughout the year. We utilize a reference portfolio of fixed-income instruments that have been A-rated by one of the major credit rating agencies. For products with liability cash flows that exceed the duration of observable single-A fixed income instruments, we use the last market observable yield and use extrapolation approaches to determine yield assumptions for durations beyond the last market observable duration. For the discount rate assumptions for products in our Unum International segment, we utilize observable market data in the local debt markets in the UK and Poland.
The initial, also referred to as the original, discount rate assumptions established for each cohort are used to determine interest accretion which is reported as a component of policy benefits on the statements of income. After policy issuance or policy renewal, the discount rate assumptions are updated quarterly and used to update the liability at each reporting date to the current discount rate, with the corresponding change reflected as the change in the effect of discount rate assumptions on the liability for future policy benefits, net of reinsurance, on the statement of changes in other comprehensive income (loss). Policyholder lapse and mortality assumptions reflect the probability that an insureds’ coverage is discontinued due to lapsation or death of the insured. For our life insurance products, mortality assumptions also reflect the probability that a benefit payment occurs. Policyholder lapse and mortality assumptions are based on our actual historical experience adjusted for future expectations. Claim incidence and claim resolution rate assumptions related to morbidity and mortality are based on actual experience or industry standards adjusted as appropriate to reflect our actual experience and future expectations. The claim incidence rate assumption is the rate at which new claims are submitted and the development of this assumption may involve many factors, including the age of the insured, the insured's occupation or industry, the benefit plan design, and certain external factors such as consumer confidence and levels of unemployment. The claim resolution rate assumption is the probability that a claim will close due to recovery or death of the insured and is used to estimate how long benefits will be paid on an open claim. Certain product lines may utilize additional assumptions in calculating the liability for future policy benefits in addition to those listed above such as premium rate increases for long-term care, benefit offsets for long-term disability, and claim costs for voluntary benefits. Claim costs capture the combined effect of the incidence rate, the expected level of benefit to be paid, and the claim resolution rate.

Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently if necessary based on trending experience and future expectations. On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience. The updated cash flows are used to determine the updated net premiums and the net premium ratio, which is the present value of benefits and related expenses divided by the present value of gross premiums. The updated net premium ratio is used to calculate the updated liability for future policy benefits as of the beginning of the year, at the original discount rate. The change in the liability for future policy benefits, at the original discount rate, as of the beginning of the period, resulting from changes in cash flow assumptions and resulting from the emergence of actual experience from expected experience, is reflected as the policy benefits - remeasurement loss (gain) in the consolidated statements of income. The impact of all other changes in the liability for future policy benefits are reflected as policy benefits in the consolidated statements of income.

For most products, a net premium methodology is applied to each cohort to estimate the liability for claims not yet incurred in which discounted gross benefits are compared to discounted gross premiums. In this methodology, actual experience to date is combined with projected future cash flows to determine a net premium ratio for each cohort. The future cash flows include the costs of future expected claims as well as future cash flows on claims that have already been incurred. The net premium ratio is then used to estimate the liability for future policy benefits. The liability for future policy benefits represents the present value of future claims and associated expenses less the present value of future net premiums, which is derived by multiplying the present value of future gross premium by the net premium ratio.

For our group products in the Unum US and Unum International segments, we evaluate the liability for future policy benefits required for active policies in comparison to incurred claims. Given the term nature of the products, their renewal features, and level funding nature of the premium for these products, we have determined that the liability value is generally zero for policies that are not on claim. For these products, our liability for future policy benefit values are limited to the liability associated with claims incurred as of the valuation date.

Multiple estimation methods exist to establish liabilities for the incurred claim component of future policy benefits. Available reserving methods utilized to calculate these liabilities include the tabular reserve method, the paid loss development method, the incurred loss development method, the count and severity method, and the expected claim cost method. No single method is better than the others in all situations and for all product lines. The estimation methods we have chosen are those that we believe produce the most accurate and reliable liability.

We use a tabular reserve methodology on reported claims for our Unum US group long-term disability and individual disability claims as well as for our Closed Block long-term care claims. Under the tabular reserve methodology, the liability for reported claims is based on certain characteristics of the actual reported claimants and their related policy provisions, such
as age, length of time disabled, and medical diagnosis, as well as assumptions regarding claim duration, discount rate, and policy benefit offsets. We believe the tabular reserve method is the most accurate to calculate long-term liabilities and allows us to use the most available known facts about each claim. Incurred, but not reported (IBNR) liabilities for future policy benefits for our longer-term products are calculated using the count and severity method using historical patterns of the claims to be reported and the associated claim costs. For Unum US group short-term disability products, an estimate of the value of future payments to be made on claims already submitted, as well as on IBNR claims, is determined in aggregate using a paid loss development method rather than on the individual claimant basis that we use for reported claims on longer-term products. The average length of time between the event triggering a claim under a policy and the final resolution of those claims is much shorter for these products and results in less estimation variability.

Liabilities for claims for Unum US group life and accidental death and dismemberment products are related primarily to death claims reported but not yet paid, IBNR death claims, and a liability for waiver of premium benefits in the event the policyholder becomes disabled. The death claim liability is based on the actual face amount to be paid, the IBNR liability is calculated using the count and severity method based on historical patterns of the claims, and the waiver of premium benefits liability is calculated using the tabular reserve methodology.

Liabilities for claims related to the group and individual dental and vision products reported in our Unum US and Colonial Life segments have a short claim payout period. As a result, the liabilities, which primarily represent IBNR and a small amount of claims pending payment, are calculated using the paid loss development method.

Liabilities for future policy benefits supporting the group products within our Unum International segment are calculated using generally the same methodology that we use for Unum US group disability and group life liabilities. Liabilities for future policy benefits for our Unum UK group life dependent product, which provides an annuity to the beneficiary upon the death of an employee, are calculated using discounted cash flows, based on our assumptions for claim duration and discount rates. The assumptions used in calculating liabilities for future policy benefits for this segment are based on standard country-specific industry experience, adjusted for our own experience.

Certain products in the Colonial Life segment and the Unum US voluntary benefits product line have shorter-term benefits, which generally have less estimation variability than our longer-term products because of the shorter claim payout period. Our liabilities for future policy benefits for these lines of business are predominantly determined using the incurred loss development method based on our own experience. The incurred loss development method uses the historical patterns of payments by loss date to predict future claim payments for each loss date. Where the incurred loss development method may not be appropriate, we estimate the incurred claims using an expected claim cost per policy or other measure of exposure. See Note 6.

Policyholders' Account Balances: Policyholders' account balances primarily include our universal life and corporate-owned life insurance products. Policyholders' account balances reflect customer deposits and interest credited less cost of insurance, administration expenses, surrender charges, and customer withdrawals. Our unearned revenue reserve, claim reserves and certain other reserves related to our universal life products and corporate-owned life insurance products are also reported as a component of policyholders’ account balances. Policyholders' account balances require loss recognition testing. We perform loss recognition tests on these reserves annually, or more frequently if appropriate, using best estimate assumptions as of the date of the test, without a provision for adverse deviation. We group the policy reserves for each major product line within a reportable segment when we perform the loss recognition tests. If the excess of the present value of projected future benefits and claim settlement expenses over the present value of projected future gross premiums is greater than the existing policy reserves less any unearned revenue reserve or value of business acquired, the existing policy reserves would be increased to immediately recognize the insufficiency. This becomes the new basis for reserves going forward, subject to future loss recognition testing. Anticipated investment income, based on our anticipated portfolio yield rates after consideration for defaults and investment expenses, is considered when performing loss recognition testing for long-duration contracts. See note 7.
Other Policyholders' Funds: Other policyholders' funds represent customer deposits plus interest credited at contract rates. We control interest rate risk by investing in quality assets which have an aggregate duration that closely matches the expected duration of the liabilities.

Income Tax: Deferred taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial statement purposes and the amounts used for income tax purposes. Deferred taxes have been measured using enacted statutory income tax rates and laws that are currently in effect. We record adjustments to our deferred taxes resulting from tax rate changes through income as of the date of enactment. We record deferred tax assets for tax positions taken in the U.S. and other tax jurisdictions based on our assessment of whether a position is more likely than not to be sustained upon examination based solely on its technical merits.  A valuation allowance is established for deferred tax assets when it is more likely than not that an amount will not be realized. We record tax expense related to Global Intangible Low-Taxed Income in the period in which it is incurred. We follow an aggregate portfolio approach to release disproportionate tax effects from AOCI upon disposal of an entire portfolio. See Note 9.

Short-term and Long-term Debt: Debt is generally carried at the unpaid principal balance, net of unamortized discount or premium and deferred debt issuance costs. Short-term debt consists of debt due within the next twelve months, including that portion of debt otherwise classified as long-term. The amortization of the original issue discount or premium as well as deferred debt issuance costs are recognized as a component of interest expense over the period the debt is expected to be outstanding. See Note 10.

Right-of-Use Asset (ROU) and Lease Liability: ROU assets represent our right to use an underlying asset for a specified lease term and are included in other assets in our consolidated balance sheet. Lease liabilities represent the present value of lease payments that we are obligated to pay arising from a lease and are included in other liabilities in our consolidated balance sheets.

We determine if an arrangement is a lease at inception through a formal process that evaluates our right to control the use of an identified asset for a period of time in exchange for consideration. We account for the lease and non-lease components of our building leases separately and have elected to use the available practical expedient to account for the lease and non-lease components of our equipment leases as a single component. All of our leases are classified as operating. For each operating lease, we calculate a lease liability at commencement date based on the present value of lease payments over the lease term and a corresponding ROU asset, adjusted for lease incentives. We do not recognize ROU assets and lease liabilities that arise from short-term leases for any class of underlying asset.

We consider the likelihood of renewal in determining the lease terms for the calculation of the ROU asset and lease liability. As most of our leases do not provide an implicit rate of interest, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. We use the implicit rate of interest when readily determinable.

Operating lease cost is calculated on a straight-line basis over the lease term and is included in other expenses in our consolidated statements of income. We amortize the ROU asset over the lease term on a pattern determined by the difference between the straight-line lease liability expense and the accretion of the imputed interest calculated on the lease liability. See Note 17.

Treasury Stock and Retirement of Common Stock: Treasury stock is reflected as a reduction of stockholders' equity at cost when repurchased shares are settled. When shares are retired, the par value is removed from common stock, and the excess of the repurchase price over par is allocated between additional paid-in capital and retained earnings. See Note 12.

Revenue Recognition: Our non-interest sensitive life and accident and health products are long-duration contracts, and premium income is recognized as revenue when due from policyholders. If the contracts are experience rated, the estimated ultimate premium is recognized as revenue over the period of the contract. The estimated ultimate premium, which is revised to reflect current experience, is based on estimated claim costs, expenses, and profit margins.
For interest sensitive products, the amounts collected from policyholders are considered deposits, and only the deductions during the period for cost of insurance, policy administration, and surrenders are included in revenue. Policyholders' funds represent funds deposited by contract holders and are not included in revenue.

Fees from our solutions business, which include leave management services and administrative-services only business are reported as other income when services are rendered.

Reinsurance: We routinely enter into reinsurance agreements with other insurance companies to spread risk and thereby limit losses from large exposures. For each of our reinsurance agreements, we determine if the agreement provides indemnification against loss or liability relating to insurance risk in accordance with applicable accounting standards. If we determine that a reinsurance agreement does not expose the reinsurer to a reasonable possibility of a significant loss from insurance risk, we record the agreement using the deposit method of accounting.

Reinsurance activity is accounted for on a basis consistent with the terms of the reinsurance contracts and the accounting used for the original policies issued. Premium income, policy benefits, and policy benefits - remeasurement gain or loss are presented in our consolidated statements of income net of reinsurance ceded. Ceded liabilities for future policy benefits, policyholders' account balances and unearned premiums are reported on a gross basis in our consolidated balance sheets, as are ceded policy loans. Our reinsurance recoverable includes the balances due from reinsurers under the terms of the reinsurance agreements for these ceded balances as well as settlement amounts currently due.

For ceded reinsurance transactions occurring after January 1, 2021, the transition date of ASU 2018-12, in accordance with the provisions of the ASU related to non-contemporaneous reinsurance, we are required to establish the ceded reserves using an upper-medium grade fixed-income instrument as of the reinsurance transaction date. However, the direct reserves for the reinsured block are calculated using the original discount rate utilized as of the transition date. Both the direct and ceded reserves are then remeasured at each reporting period using a current discount rate reflective of an upper-medium grade fixed-income instrument, with the changes recognized in other comprehensive income(loss). While the total equity impact is neutral, the different original discount rates utilized for direct and ceded reserves result in disproportionate earnings impacts.
Where applicable, gains or costs recognized on reinsurance transactions are generally deferred and amortized into earnings based upon expected future premium income for non-interest sensitive insurance policies and estimated future gross profits for interest sensitive insurance policies. Gains or costs recognized on reinsurance transactions for non-interest sensitive products for which we no longer receive premiums are generally deferred and amortized into earnings based upon expected claim reserve patterns. The cost of reinsurance included in other assets in our consolidated balance sheets at December 31, 2024 and 2023 was $508.0 million and $549.4 million. The deferred gain on reinsurance included in other liabilities in our consolidated balance sheets at December 31, 2024 and 2023 was $4.9 million and $8.8 million, respectively.

Under ceded reinsurance agreements wherein we are not relieved of our legal liability to our policyholders, if the assuming reinsurer is unable to meet its obligations, we remain contingently liable. We evaluate the financial condition of reinsurers and monitor concentration of credit risk to minimize this exposure. We may also require assets in trust, letters of credit, or other acceptable collateral to support our reinsurance recoverable balances. We estimate an allowance for expected credit losses for our reinsurance recoverable balance using a probability of default approach which incorporates key inputs and assumptions regarding market factors, counterparty credit ratings, and collateral received. When calculating our allowance, we apply these market factors to the net amount of our credit exposure, which considers collateral arrangements such as letters of credit and trust accounts. We evaluate the factors used to determine our allowance on a quarterly basis to consider material changes in our assumptions and make adjustments accordingly. The allowance for expected credit losses on reinsurance recoverable was $1.5 million at December 31, 2024 and $1.7 million at December 31, 2023. See Note 14.

Premium Tax Expense: Premium tax expense is included in other expenses in the consolidated statements of income. For the years ended December 31, 2024, 2023, and 2022, premium tax expense was $194.5 million, $183.5 million, and $169.3 million, respectively.

Stock-Based Compensation: Restricted stock units and stock success units are valued based on the fair value of common stock at the grant date. The fair value of performance units and cash incentive units is based on the Monte-Carlo valuation model. We evaluate whether there are any events which would require an adjustment to the price of common stock at the grant
date. No adjustments have been made to any grant date prices for any awards as of December 31, 2024 or 2023. Stock-based awards are expensed over the requisite service period, or for performance units over the requisite service period, or remaining service period, if and when it becomes probable that the performance conditions will be satisfied, with an offsetting increase to additional paid-in capital in stockholders' equity. The expense for certain of our awards is subject to accelerated recognition over the implicit service period for employees who have met the criteria for retirement eligibility. Forfeitures of stock-based awards are recognized as they occur. See Note 13.

Earnings Per Share: We compute basic earnings per share by dividing net income by the weighted average number of common shares outstanding for the period. Earnings per share assuming dilution is computed by dividing net income by the weighted average number of shares outstanding for the period plus the shares representing the dilutive effect of stock-based awards. In computing earnings per share assuming dilution, only potential common shares resulting from stock-based awards that are dilutive (those that reduce earnings per share) are included. We use the treasury stock method to account for the effect of nonvested stock awards on the computation of earnings per share assuming dilution. See Note 12.

Translation of Foreign Currency: Revenues and expenses of our foreign operations are translated at average exchange rates. Assets and liabilities are translated at the rate of exchange on the balance sheet dates. The translation gain or loss is generally reported in AOCI, net of income tax. We do not provide for deferred taxes to the extent unremitted foreign earnings are deemed permanently invested.

Accounting for Participating Individual Life Insurance: Participating policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual to a stock life insurance company will remain participating as long as the policies remain in-force. A Participation Fund Account (PFA) was established for the benefit of all such individual participating life and annuity policies and contracts. The assets of the PFA provide for the benefit, dividend, and certain expense obligations of the participating individual life insurance policies and annuity contracts. The assets of the PFA were $231.3 million and $244.4 million at December 31, 2024 and 2023, respectively.
New Accounting Pronouncements and Changes in Accounting Principles
Accounting Updates Adopted in 2024:

ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures

The amendments in this update enhanced disclosures of significant expenses for reportable segments. Specifically, the update added a requirement to disclose significant expenses that are regularly provided to the Chief Operating Decision Maker (CODM) and are included in each reported measure of segment profit or loss. This update required the disclosure of the title and position of the CODM as well as an explanation of how they use the reported measure(s) to assess segment performance and make decisions about allocating resources. The update also required the disclosure of the amount and composition of other segment items, which is the difference between reported segment revenues less the significant segment expenses. The amendments in this update allow for the disclosure of more than one measure of segment profit or loss, provided that at least one of the reported measures includes the segment profit or loss measure that is most consistent with GAAP measurement principles.

The amendments in this update were applied retrospectively in the annual period ended as of December 31, 2024, and will be applied retrospectively for interim periods beginning January 1, 2025. The adoption of this update modified our disclosures but did not have an impact on our financial position or results of operations.
ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting and related amendments

The amendments in this update provided optional guidance, for a limited period of time, to ease the potential burden in accounting for and recognizing the effects of reference rate reform on financial reporting. The guidance allowed for various practical expedients and exceptions when applying GAAP to contracts, hedging relationships, and other transactions affected either by discontinued rates as a direct result of reference rate reform or a market-wide change in interest rates used for discounting, margining or contract price alignment, if certain criteria are met. Specifically, the guidance provided certain practical expedients for contract modifications, fair value hedges, and cash flow hedges, and also provided certain exceptions related to changes in the critical terms of a hedging relationship. The guidance also allowed for a one-time election to sell or transfer debt securities that were both classified as held-to-maturity prior to January 1, 2020 and referenced a rate affected by the reform.

The adoption of this update was permitted as of the beginning of the interim period that includes March 12, 2020 (the issuance date of the update), or any date thereafter, through December 31, 2024, at which point the guidance sunset. We have elected practical expedients for contracts impacted by reference rate reform which did not result in a material impact on our financial position or results of operations.
Accounting Updates Adopted in 2023:

ASU 2022-02, Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures

The amendments in this update eliminated the troubled debt restructuring recognition and measurement guidance and instead required that an entity evaluate whether the modification represents a new loan or the continuation of an existing loan. The amendments also enhanced the disclosure requirements related to certain modifications of receivables made to borrowers experiencing financial difficulty. In addition, the amendments in this update required that an entity disclose current-period gross write-offs by year of origination for financing receivables and net investment in leases.

The amendments in this update were applied prospectively in the period of adoption as of January 1, 2023. The adoption of this update modified our disclosures but did not have an impact on our financial position or results of operations.

ASU 2018-12, Financial Services—Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts and related amendments

This update significantly amended the accounting and disclosure requirements for long-duration insurance contracts. These changes included a requirement to review, and if necessary, update cash flow assumptions used to measure the liability for future policy benefits for traditional and limited-payment contracts at least annually, with changes recognized in earnings. In addition, an entity is required to update the discount rate assumption at each reporting date using a yield that is reflective of an upper-medium grade fixed-income instrument with changes recognized in other comprehensive income (loss) (OCI). These changes resulted in the elimination of the provision for risk of adverse deviation and premium deficiency (or loss recognition) testing for traditional long-duration insurance contracts. The update also required that an entity measure all market risk benefits associated with deposit contracts at fair value, with changes recognized in earnings except for the portion attributable to a change in the instrument-specific credit risk, which is to be recognized in OCI. This update also simplified the amortization of deferred acquisition costs by requiring amortization on a constant level basis over the expected term of the related contracts. Deferred acquisition costs are required to be written off for unexpected contract terminations, but are no longer subject to an impairment test. Significant additional disclosures are required, which include disaggregated rollforwards of certain liability balances and the disclosure of qualitative and quantitative information about expected cash flows, estimates, and assumptions. We do not have products with market risk benefits.

We adopted this guidance effective January 1, 2023 using the modified retrospective approach with changes applied as of January 1, 2021, also referred to as the transition date. All historically reported information included in our consolidated financial statements and accompanying footnotes were adjusted as of the transition date to reflect the modified retrospective adoption of ASU 2018-12.
Accounting Updates Adopted in 2022:

ASU 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity

The amendments in this update simplified the accounting for convertible instruments by removing certain separation models in the guidance related to convertible instruments and expanded related disclosure requirements. The amendments also revised the requirements for a contract or embedded derivative that is potentially settled in an entity's own stock to be classified as equity and also amended certain guidance related to the computations of earnings per share for convertible instruments and contracts in an entity's own stock. This guidance was applied in the period of adoption as of January 1, 2022. The adoption of this update did not have an effect on our financial position or results of operations, and did not expand our disclosures.

Accounting Updates Outstanding:

ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures

The amendments in this update require greater disaggregation of income tax disclosures related to the income tax rate reconciliation and income taxes paid. Specifically, the guidance requires additional information that meet a quantitative threshold in specified categories with respect to the reconciliation of the effective tax rate to the statutory tax rate for federal, state, and foreign income taxes. The specified categories are the following: state and local income taxes, foreign tax effects, effect of cross-border tax laws, enactment of new tax laws, nontaxable or nondeductible items, tax credits, changes in valuation allowances, and changes in unrecognized tax benefits. The quantitative threshold for each category is five percent of the amount computed by multiplying income (or loss) from continuing operations before income taxes by the statutory federal income tax rate. In addition, the amendments require additional information pertaining to income taxes paid, net of refunds, to be disaggregated by federal, state and foreign jurisdictions, and further disaggregated for specific jurisdictions to the extent the related amounts exceed a quantitative threshold of five percent of total income taxes paid. The amendments also require disclosures of income (or loss) before income tax expense (or benefit) as domestic or foreign for each annual reporting period.

The amendments eliminate the historic requirement to disclose information regarding unrecognized tax benefits having a reasonable possibility of significantly increasing or decreasing in the twelve months following the reporting date, as well as the requirement to disclose the cumulative temporary differences when a deferred tax liability is not recognized due to certain exceptions under ASC 740.

We will adopt this update effective for the annual period beginning January 1, 2025. The adoption of this update is permitted on a prospective basis or a retrospective basis. The adoption of this update will not have an impact on our financial position or results of operations, but will expand our disclosures effective for the annual period beginning January 1, 2025.

ASU 2024-03, Disaggregation of Income Statement Expenses: Income Statement - Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses and related amendment

The amendments in this update require the disclosure of disaggregation of certain income statement expense line items. Specifically, the guidance requires the disclosure of additional information related to certain expenses, including employee compensation, depreciation and amortization, and certain other expenses included in each income statement line item. The amendments also require the disclosure of both the total amount of selling expenses and a definition of selling expenses.

We will adopt this update effective for the annual period beginning January 1, 2027, and interim periods beginning January 1, 2028. The adoption of this update is permitted on a prospective basis or a retrospective basis. The adoption of this update will expand our disclosures but will not have an impact on our financial position or results of operations.
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Fair Values of Financial Instruments
 12 Months Ended
Dec. 31, 2024
Fair Value Disclosures [Abstract]  
Fair Values of Financial Instruments
Fair Value Measurements for Financial Instruments Carried at Fair Value

We report fixed maturity securities, which are classified as available-for-sale securities, derivative financial instruments, and unrestricted equity securities at fair value in our consolidated balance sheets. We report our investments in private equity partnerships at our share of the partnerships' NAV per share or its equivalent as a practical expedient for fair value. See Note 1.

The degree of judgment utilized in measuring the fair value of financial instruments generally correlates to the level of pricing observability. Financial instruments with readily available active quoted prices or for which fair value can be measured from actively quoted prices in active markets generally have more pricing observability and less judgment utilized in measuring fair value. An active market for a financial instrument is a market in which transactions for an asset or a similar asset occur with sufficient frequency and volume to provide pricing information on an ongoing basis. A quoted price in an active market provides the most reliable evidence of fair value and should be used to measure fair value whenever available. Conversely, financial instruments rarely traded or not quoted have less observability and are measured at fair value using valuation techniques that require more judgment. Pricing observability is generally impacted by a number of factors, including the type of financial instrument, whether the financial instrument is new to the market and not yet established, the characteristics specific to the transaction, and overall market conditions.

We classify financial instruments in accordance with a fair value hierarchy consisting of three levels based on the observability of valuation inputs:

•Level 1 - the highest category of the fair value hierarchy classification wherein inputs are unadjusted and represent quoted prices in active markets for identical assets or liabilities at the measurement date.

•Level 2 - valued using inputs (other than prices included in Level 1) that are either directly or indirectly observable for the asset or liability through correlation with market data at the measurement date and for the duration of the instrument's anticipated life.

•Level 3 - the lowest category of the fair value hierarchy and reflects the judgment of management regarding what market participants would use in pricing assets or liabilities at the measurement date. Financial assets and liabilities categorized as Level 3 are generally those that are valued using unobservable inputs to extrapolate an estimated fair value.

Valuation Methodologies of Financial Instruments Measured at Fair Value

Valuation techniques used for assets and liabilities accounted for at fair value are generally categorized into three types. The market approach uses prices and other relevant information from market transactions involving identical or comparable assets or liabilities. The income approach converts future amounts, such as cash flows or earnings, to a single present amount, or a discounted amount. The cost approach is based upon the amount that currently would be required to replace the service capacity of an asset, or the current replacement cost.

We use valuation techniques that are appropriate in the circumstances and for which sufficient data are available that can be obtained without undue cost and effort. In some cases, a single valuation technique will be appropriate (for example, when valuing an asset or liability using quoted prices in an active market for identical assets or liabilities). In other cases, multiple valuation techniques will be appropriate. If we use multiple valuation techniques to measure fair value, we evaluate and weigh the results, as appropriate, considering the reasonableness of the range indicated by those results. A fair value measurement is the point within that range that is most representative of fair value in the circumstances.

The selection of the valuation method(s) to apply considers the definition of an exit price and depends on the nature of the asset or liability being valued. For assets and liabilities accounted for at fair value, we generally use valuation techniques consistent with the market approach, and to a lesser extent, the income approach. We believe the market approach provides more observable data than the income approach, considering the type of investments we hold. Our fair value measurements could differ significantly based on the valuation technique and available inputs. When using a pricing service, we obtain the vendor's pricing documentation to ensure we understand their methodologies. We periodically review and approve the selection of our
pricing vendors to ensure we are in agreement with their current methodologies. When markets are less active, brokers may rely more on models with inputs based on the information available only to the broker. Our internal investment management professionals, which include portfolio managers and analysts, monitor securities priced by brokers and evaluate their prices for reasonableness based on benchmarking to available primary and secondary market information. In weighing a broker quote as an input to fair value, we place less reliance on quotes that do not reflect the result of market transactions. We also consider the nature of the quote, particularly whether it is a bid or market quote. If prices in an inactive market do not reflect current prices for the same or similar assets, adjustments may be necessary to arrive at fair value. When relevant market data is unavailable, which may be the case during periods of market uncertainty, the income approach can, in suitable circumstances, provide a more appropriate fair value. During 2024, we have applied valuation approaches and techniques on a consistent basis to similar assets and liabilities and consistent with those approaches and techniques used at year end 2023.

Fixed Maturity and Equity Securities

We use observable and unobservable inputs in measuring the fair value of our fixed maturity and equity securities. For securities categorized as Level 1, fair values equal active Trade Reporting and Compliance Engine (TRACE) pricing or unadjusted market maker prices. For securities categorized as Level 2 or Level 3, inputs that may be used in valuing each class of securities at any given time period are disclosed below. Actual inputs used to determine fair values will vary for each reporting period depending on the availability of inputs which may, at times, be affected by the lack of market liquidity.

Level 2Level 3
InstrumentObservable InputsUnobservable Inputs
United States Government and Government Agencies and Authorities
Valuation MethodPrincipally the market approachNot applicable
Valuation Techniques / InputsPrices obtained from external pricing services
States, Municipalities, and Political Subdivisions
Valuation MethodPrincipally the market approachPrincipally the market approach
Valuation Techniques / InputsPrices obtained from external pricing servicesAnalysis of similar bonds, adjusted for comparability
Relevant reports issued by analysts and rating agencies
Audited financial statements
Foreign Governments
Valuation MethodPrincipally the market approachPrincipally the market approach
Valuation Techniques / InputsPrices obtained from external pricing servicesAnalysis of similar bonds, adjusted for comparability
Non-binding broker quotes
Call provisions
Level 2Level 3
InstrumentObservable InputsUnobservable Inputs
Public Utilities
Valuation MethodPrincipally the market and income approachesPrincipally the market and income approaches
Valuation Techniques / InputsPrices obtained from external pricing servicesChange in benchmark reference
Non-binding broker quotesAnalysis of similar bonds, adjusted for comparability
Benchmark yieldsDiscount for size - illiquidity
Transactional data for new issuances and secondary tradesVolatility of credit
Security cash flows and structuresLack of marketability
Recent issuance / supply
Audited financial statements
Security and issuer level spreads
Security creditor ratings/maturity/capital structure/optionality
Public covenants
Comparative bond analysis
Relevant reports issued by analysts and rating agencies
Mortgage/Asset-Backed Securities
Valuation MethodPrincipally the market and income approachesPrincipally the market approach
Valuation Techniques / InputsPrices obtained from external pricing servicesAnalysis of similar bonds, adjusted for comparability
Non-binding broker quotesPrices obtained from external pricing services
Security cash flows and structures
Underlying collateral
Prepayment speeds/loan performance/delinquencies
Relevant reports issued by analysts and rating agencies
Audited financial statements
Level 2Level 3
InstrumentObservable InputsUnobservable Inputs
All Other Corporate Bonds
Valuation MethodPrincipally the market and income approachesPrincipally the market and income approaches
Valuation Techniques / InputsPrices obtained from external pricing servicesChange in benchmark reference
Non-binding broker quotesDiscount for size - illiquidity
Benchmark yieldsVolatility of credit
Transactional data for new issuances and secondary tradesLack of marketability
Security cash flows and structuresPrices obtained from external pricing services
Recent issuance / supply
Security and issuer level spreads
Security creditor ratings/maturity/capital structure/optionality
Public covenants
Comparative bond analysis
Relevant reports issued by analysts and rating agencies
Audited financial statements
Redeemable Preferred Stocks
Valuation MethodPrincipally the market approachPrincipally the market approach
Valuation Techniques / InputsNon-binding broker quotesFinancial statement analysis
Benchmark yields
Comparative bond analysis
Call provisions
Relevant reports issued by analysts and rating agencies
Audited financial statements
Perpetual Preferred and Equity Securities
Valuation MethodPrincipally the market approachPrincipally the market and income approaches
Valuation Techniques / InputsPrices obtained from external pricing servicesFinancial statement analysis
Non-binding broker quotes

The management of our investment portfolio includes establishing pricing policy and reviewing the reasonableness of sources and inputs used in developing pricing. We review all prices that vary between multiple pricing vendors by a threshold that is outside a normal market range for the asset type.  In the event we receive a vendor's market price that does not appear reasonable based on our market analysis, we may challenge the price and request further information about the assumptions and methodologies used by the vendor to price the security. We may change the selected price based on a better data source such as
an actual trade. We also review all prices that did not change from the prior month to ensure that these prices are within our expectations. The overall valuation process for determining fair values may include adjustments to valuations obtained from our pricing sources when they do not represent a valid exit price. These adjustments may be made when, in our judgment and considering our knowledge of the financial conditions and industry in which the issuer operates, certain features of the financial instrument require that an adjustment be made to the value originally obtained from our pricing sources. These features may include the complexity of the financial instrument, the market in which the financial instrument is traded, counterparty credit risk, credit structure, concentration, or liquidity. Additionally, an adjustment to the price derived from a model typically reflects our judgment of the inputs that other participants in the market for the financial instrument being measured at fair value would consider in pricing that same financial instrument. In the event an asset is sold, we test the validity of the fair value determined by our valuation techniques by comparing the selling price to the fair value determined for the asset in the immediately preceding month end reporting period.
Certain of our investments do not have readily determinable market prices and/or observable inputs or may at times be affected by the lack of market liquidity. For these securities, we use internally prepared valuations, including valuations based on estimates of future profitability, to estimate the fair value. Additionally, we may obtain prices from independent third-party brokers to aid in establishing valuations for certain of these securities. Key assumptions used by us to determine fair value for these securities include risk free interest rates, risk premiums, performance of underlying collateral (if any), and other factors involving significant assumptions which may or may not reflect those of an active market.

The parameters and inputs used to validate a price on a security may be adjusted for assumptions about risk and current market conditions on a quarter to quarter basis, as certain features may be more significant drivers of valuation at the time of pricing. Changes to inputs in valuations are not changes to valuation methodologies; rather, the inputs are modified to reflect direct or indirect impacts on asset classes from changes in market conditions.

At December 31, 2024, approximately 11.7 percent of our fixed maturity securities were valued using active trades from TRACE pricing or market maker prices for which there was current market activity in that specific security (comparable to receiving one binding quote).  The prices obtained were not adjusted, and the assets were classified as Level 1.

The remaining 88.3 percent of our fixed maturity securities were valued based on non-binding quotes or other observable and unobservable inputs, as discussed below:

•72.3 percent of our fixed maturity securities were valued based on prices from pricing services that generally use observable inputs such as prices for securities or comparable securities in active markets in their valuation techniques. These assets were classified as Level 2. 

•15.3 percent of our fixed maturity securities were valued based on one or more non-binding broker quotes, if validated by observable market data. When only one price is available, it is used if observable inputs and analysis confirms that it is appropriate. These assets, for which we were able to validate the price using other observable market data, were classified as Level 2.

•0.7 percent of our fixed maturity securities were valued based on prices of comparable securities, internal models, or pricing services or other non-binding quotes with no other observable market data. These assets were classified as either Level 2 or Level 3, with the categorization dependent on whether there was other observable market data.  

Derivatives

Fair values for derivatives other than embedded derivatives in modified coinsurance arrangements are based on market quotes or pricing models and represent the net amount of cash we would have paid or received if the contracts had been settled or closed as of the last day of the period. Credit risk related to the counterparty and the Company is considered in determining the fair values of these derivatives. However, since we have collateralization agreements in place with each counterparty which limits our exposure, any credit risk is immaterial. Therefore, we determined that no adjustments for credit risk were required as of December 31, 2024 or 2023.
Fair values for our embedded derivative in a modified coinsurance arrangement are estimated using internal pricing models and represent the hypothetical value of the duration mismatch of assets and liabilities, interest rate risk, and third party credit risk embedded in the modified coinsurance arrangement.

We consider transactions in inactive markets to be less representative of fair value. We use all available observable inputs when measuring fair value, but when significant unobservable inputs are used, we classify these assets or liabilities as Level 3.

Private Equity Partnerships

Our private equity partnerships represent funds that are primarily invested in private credit, private equity, and real assets, as described below. Distributions received from the funds arise from income generated by the underlying investments as well as the liquidation of the underlying investments. There is generally not a public market for these investments.

The following tables present additional information about our private equity partnerships, including commitments for additional investments which may or may not be funded:

December 31, 2024
Investment CategoryFair ValueRedemption Term / Redemption NoticeUnfunded Commitments
(in millions of dollars)(in millions of dollars)
Private Credit(a)$236.9 Not redeemable$118.9 
52.3 Quarterly / 90 days notice10.3 
Total Private Credit289.2 129.2 
Private Equity(b)604.1 Not redeemable398.2 
36.1 Initial 5.5 year lock on each new investment / Quarterly after 5.5 year lock with 90 days notice11.0
Total Private Equity640.2 409.2 
Real Assets(c)486.6 Not redeemable230.1 
34.6 Quarterly / 90 days notice— 
Total Real Assets521.2 230.1 
Total Partnerships$1,450.6 $768.5 
December 31, 2023
Investment CategoryFair ValueRedemption Term / Redemption NoticeUnfunded Commitments
(in millions of dollars)(in millions of dollars)
Private Credit(a)$239.1 Not redeemable$128.2 
44.5 Quarterly / 90 days notice8.6 
Total Private Credit283.6 136.8 
Private Equity(b)543.9 Not redeemable410.6 
28.0 Initial 5.5 year lock on each new investment / Quarterly after 5.5 year lock with 90 days notice16.6
Total Private Equity 571.9 427.2 
Real Assets(c)437.5 Not redeemable239.1 
33.2 Quarterly / 90 days notice— 
Total Real Assets470.7 239.1 
Total Partnerships$1,326.2 $803.1 

(a)Private Credit - The limited partnerships described in this category employ various investment strategies, generally providing direct lending or other forms of debt financing including first-lien, second-lien, mezzanine, and subordinated loans. The limited partnerships have credit exposure to corporates, physical assets, and/or financial assets within a variety of industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail) in North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 78 percent in the next 3 years, 12 percent during the period from 3 to 5 years, and 10 percent during the period from 5 to 10 years.

(b)Private Equity - The limited partnerships described in this category employ various strategies generally investing in controlling or minority control equity positions directly in companies and/or assets across various industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail), primarily in private markets within North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 27 percent during the period from 3 to 5 years, 36 percent during the period from 5 to 10 years, and 1 percent during the period from 10 to 15 years.

(c)Real Assets - The limited partnerships described in this category employ various strategies, which include investing in the equity and/or debt financing of physical assets, including infrastructure (energy, power, water/wastewater, communications), transportation (including airports, ports, toll roads, aircraft, railcars) and real estate in North America, Europe, South America, and Asia.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 26 percent during the period from 3 to 5 years, and 38 percent during the period from 5 to 10 years.

We record changes in our share of NAV of the partnerships in net investment income. We receive financial information related to our investments in partnerships and generally record investment income on a one-quarter lag in accordance with our accounting policy. Our partnerships are subject to transfer restrictions which extend over the life of the investment. There are no circumstances in which the transfer restrictions would lapse.
The following tables present information about financial instruments measured at fair value on a recurring basis by fair value level, based on the observability of the inputs used.
 December 31, 2024
 Level 1Level 2Level 3NAVTotal
(in millions of dollars)
Assets
Fixed Maturity Securities
United States Government and Government Agencies and Authorities$77.9 $452.6 $— $— $530.5 
States, Municipalities, and Political Subdivisions— 3,291.4 — — 3,291.4 
Foreign Governments— 768.1 — — 768.1 
Public Utilities174.5 5,118.4 — — 5,292.9 
Mortgage/Asset-Backed Securities1
— 843.7 73.5 — 917.2 
All Other Corporate Bonds3,928.1 20,822.6 71.5 — 24,822.2 
Redeemable Preferred Stocks— 7.6 — — 7.6 
Total Fixed Maturity Securities4,180.5 31,304.4 145.0 — 35,629.9 
Other Long-term Investments
Derivatives
Forwards— 6.5 — — 6.5 
Foreign Currency Interest Rate Swaps
— 72.9 — — 72.9 
Embedded Derivative in Modified Coinsurance Arrangement
— — 11.5 — 11.5 
Total Derivatives— 79.4 11.5 — 90.9 
Perpetual Preferred and Equity Securities— 0.1 24.4 — 24.5 
Private Equity Partnerships— — — 1,450.6 1,450.6 
Total Other Long-term Investments— 79.5 35.9 1,450.6 1,566.0 
Total Financial Instrument Assets Carried at Fair Value$4,180.5 $31,383.9 $180.9 $1,450.6 $37,195.9 
Liabilities
Other Liabilities
Derivatives
Forwards$— $223.2 $— $— $223.2 
Foreign Currency Interest Rate Swaps
— 32.5 — — 32.5 
Total Derivatives— 255.7 — — 255.7 
Total Financial Instrument Liabilities Carried at Fair Value$— $255.7 $— $— $255.7 
 December 31, 2023
 Level 1Level 2Level 3NAVTotal
(in millions of dollars)
Assets
Fixed Maturity Securities
United States Government and Government Agencies and Authorities$— $624.8 $— $— $624.8 
States, Municipalities, and Political Subdivisions— 3,678.4 — — 3,678.4 
Foreign Governments— 890.7 — — 890.7 
Public Utilities301.3 5,020.3 — — 5,321.6 
Mortgage/Asset-Backed Securities1
— 611.2 32.9 — 644.1 
All Other Corporate Bonds3,985.2 21,562.1 123.4 — 25,670.7 
Redeemable Preferred Stocks— 3.6 — — 3.6 
Total Fixed Maturity Securities4,286.5 32,391.1 156.3 — 36,833.9 
Other Long-term Investments
Derivatives
Forwards
— 47.5 — — 47.5 
Foreign Currency Interest Rate Swaps
— 52.4 — — 52.4 
Total Derivatives— 99.9 — — 99.9 
Perpetual Preferred and Equity Securities— 10.3 21.6 — 31.9 
Private Equity Partnerships— — — 1,326.2 1,326.2 
Total Other Long-term Investments— 110.2 21.6 1,326.2 1,458.0 
Total Financial Instrument Assets Carried at Fair Value$4,286.5 $32,501.3 $177.9 $1,326.2 $38,291.9 
Liabilities
Other Liabilities
Derivatives
Forwards
$— $78.0 $— $— $78.0 
Foreign Currency Interest Rate Swaps
— 38.2 — — 38.2 
Embedded Derivative in Modified Coinsurance Arrangement— — 1.5 — 1.5 
Total Derivatives— 116.2 1.5 — 117.7 
Total Financial Instrument Liabilities Carried at Fair Value$— $116.2 $1.5 $— $117.7 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.
Changes in assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) are as follows:
 Year Ended December 31, 2024
 Fair Value Beginning
of Year		Total Realized and
Unrealized Investment
Gains (Losses)
 Included in		PurchasesSales/MaturitiesLevel 3 TransfersFair Value End of
Year		Change in Unrealized
Gain (Loss) on
Securities Held at the
End of Period
included in
 EarningsOCIIntoOut ofOCIEarnings
(in millions of dollars)
Fixed Maturity Securities
Public Utilities$— $(1.1)$1.3 $— $(20.4)$20.2 $— $— $— $— 
Mortgage/Asset-Backed Securities1
32.9 — 0.6 38.5 (2.6)4.1 — 73.5 0.6 
All Other Corporate Bonds123.4 (3.5)8.9 3.2 (329.8)318.1 (48.8)71.5 8.9 — 
Total Fixed Maturity Securities156.3 (4.6)10.8 41.7 (352.8)342.4 (48.8)145.0 9.5 — 
Perpetual Preferred and Equity Securities21.6 2.3 — 0.5 — — — 24.4 — 2.3 
Embedded Derivative in Modified Coinsurance Arrangement(1.5)13.0 — — — — — 11.5 — 13.0 
 
Year Ended December 31, 2023
 Fair Value Beginning
of Year		Total Realized and
Unrealized Investment
Gains (Losses)
 Included in		PurchasesSales/MaturitiesLevel 3 TransfersFair Value End of
Year		Change in Unrealized
Gain (Loss) on
Securities Held at the
End of Period
included in
 EarningsOCIIntoOut ofOCIEarnings
(in millions of dollars)
Fixed Maturity Securities
States, Municipalities, and Political Subdivisions$0.2 $— $— $— $— $— $(0.2)$— $— $— 
Public Utilities— 0.1 (0.1)— (50.5)50.5 — — — — 
Mortgage/Asset-Backed Securities1
22.0 — (0.2)20.0 (0.5)0.4 (8.8)32.9 (0.2)— 
All Other Corporate Bonds158.7 (5.0)(15.8)1.5 (334.1)385.0 (66.9)123.4 (15.8)— 
Total Fixed Maturity Securities180.9 (4.9)(16.1)21.5 (385.1)435.9 (75.9)156.3 (16.0)— 
Perpetual Preferred and Equity Securities16.2 0.6 — 4.8 — — — 21.6 — 0.6 
Embedded Derivative in Modified Coinsurance Arrangement(13.9)12.4 — — — — — (1.5)— 12.4 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.

Realized and unrealized investment gains and losses presented in the preceding tables represent gains and losses only for the time during which the applicable financial instruments were classified as Level 3. The transfers between levels resulted primarily from a change in observability of three inputs used to determine fair values of the securities transferred: (1) transactional data for new issuance and secondary trades, (2) broker/dealer quotes and pricing, primarily related to changes in the level of activity in the market and whether the market was considered orderly, and (3) comparable bond metrics from which to perform an analysis. For fair value measurements of financial instruments that were transferred either into or out of Level 3, we reflect the transfers using the fair value at the beginning of the period. We believe this allows for greater transparency, as all changes in fair value that arise during the reporting period of the transfer are disclosed as a component of our Level 3 reconciliation.
The table below provides quantitative information regarding the significant unobservable inputs used in Level 3 fair value measurements derived from internal models. Unobservable inputs for fixed maturity securities are weighted by the fair value of the securities. Certain securities classified as Level 3 are excluded from the table below due to limitations in our ability to obtain the underlying inputs used by external pricing sources.
December 31, 2024
Fair ValueValuation MethodUnobservable InputRange/Weighted Average
(in millions of dollars)
Fixed Maturity Securities
All Other Corporate Bonds - Private$16.3 Market Approach
Volatility of Credit
Market Convention
(a)
(b)
5.00% - 5.00% / 5.00%
Priced at Par Value
Mortgage-Backed Securities/Asset-Backed Securities
21.2 Market Approach
Market Convention
(b)
Priced at Par Value
Perpetual Preferred and Equity Securities24.4 Market Approach
Market Convention
(b)
Priced at Cost, Owner's Equity, or Most Recent Round
Embedded Derivative in Modified Coinsurance Arrangement11.5 Discounted Cash Flows
Projected Liability Cash Flows
Weighted Spread of Swap Curve
(c)
Actuarial Assumptions
(0.23)%
December 31, 2023
Fair ValueValuation MethodUnobservable InputRange/Weighted Average
(in millions of dollars)
Fixed Maturity Securities
All Other Corporate Bonds - Private$15.9 Market Approach
Volatility of Credit
Market Convention
(a)
(b)

5.00% - 5.00% / 5.00%
Priced at Par Value
Perpetual Preferred and Equity Securities21.6 Market ApproachMarket Convention(b)Priced at Cost, Owner's Equity, or Most Recent Round
Embedded Derivative in Modified Coinsurance Arrangement(1.5)Discounted Cash Flows
Projected Liability Cash Flows
Weighted Spread of Swap Curve
(c)

Actuarial Assumptions 0.2%

(a)Represents basis point adjustments for credit-specific factors
(b)Represents a decision to price based on par value, cost, owner's equity, or the price of the most recent capital funding round when limited data is available
(c)Represents various actuarial assumptions required to derive the liability cash flows. Fair value of embedded derivative is most often driven by the change in the weighted average credit spread to the swap curve for the assets backing the hypothetical loan

Other than market convention, the impact of isolated decreases in unobservable inputs will result in a higher estimated fair value, whereas isolated increases in unobservable inputs will result in a lower estimated fair value. The unobservable input for market convention is not sensitive to input movements. The projected liability cash flows used in the fair value measurement of our Level 3 embedded derivative are based on expected claim payments. If claim payments increase, the projected liability cash flows will increase, resulting in a decrease in the fair value of the embedded derivative. Decreases in projected liability cash flows will result in an increase in the fair value of the embedded derivative.
Fair Value Measurements for Financial Instruments Not Carried at Fair Value

The methods and assumptions used to estimate fair values of financial instruments not carried at fair value are discussed as follows:

Mortgage Loans: Fair value of newly originated, seasoned performing, or sub-performing but likely to continue cash flowing loans are calculated using a discounted cash flow analysis. Loans’ cash flows are modeled and appropriately discounted by a rate based on current yields and credit spreads. For sub and non-performing loans where there is some probability the loan will not continue to pay, a price based approach would be used to estimate the loan’s value in the open market utilizing current transaction information from similar loans.

Policy Loans: Fair values for policy loans, net of reinsurance ceded, are estimated using discounted cash flow analyses and interest rates currently being offered to policyholders with similar policies. Carrying amounts for ceded policy loans, which equal $3,313.6 million and $3,322.5 million as of December 31, 2024 and 2023, respectively, approximate fair value and are reported on a gross basis in our consolidated balance sheets. A change in interest rates for ceded policy loans will not impact our financial position because the benefits and risks are fully ceded to reinsuring counterparties.

Miscellaneous Long-term Investments: Carrying amounts for tax credit partnerships equal the unamortized balance of our contractual commitments and approximate fair value. Our shares of Federal Home Loan Bank (FHLB) common stock are carried at cost, which approximates fair value.

Long-term Debt: Fair values for long-term debt are obtained from independent pricing services or discounted cash flow analyses based on current incremental borrowing rates for similar types of borrowing arrangements.

FHLB Funding Agreements: Funding agreements with the FHLB represent cash advances used for the purpose of investing in fixed maturity securities. Carrying amounts approximate fair value.

Unfunded Commitments to Investment Partnerships: Unfunded equity commitments represent amounts that we have committed to fund certain investment partnerships. These commitments are legally binding, subject to the partnerships meeting specified conditions. Carrying amounts of these financial instruments approximate fair value.
The following table presents the carrying amounts and estimated fair values of our financial instruments not measured at fair value and indicates the level in the fair value hierarchy of the estimated fair value measurement based on the observability of the inputs used:

December 31, 2024
Estimated Fair Value
Level 1Level 2Level 3TotalCarrying Value
(in millions of dollars)
Assets
Mortgage Loans$— $1,975.4 $— $1,975.4 $2,224.5 
Policy Loans— — 3,672.9 3,672.9 3,617.2 
Other Long-term Investments
Miscellaneous Long-term Investments— 26.7 0.2 26.9 26.9 
Total Financial Instrument Assets Not Carried at Fair Value$— $2,002.1 $3,673.1 $5,675.2 $5,868.6 
Liabilities
Long-term Debt$3,246.1 $43.2 $— $3,289.3 $3,465.2 
Other Liabilities
Unfunded Commitments— 0.2 — 0.2 0.2 
Payable for Collateral on FHLB Funding Agreements— 324.2 — 324.2 324.2 
Total Financial Instrument Liabilities Not Carried at Fair Value$3,246.1 $367.6 $— $3,613.7 $3,789.6 
December 31, 2023
Estimated Fair Value
Level 1Level 2Level 3TotalCarrying Value
(in millions of dollars)
Assets
Mortgage Loans$— $2,070.7 $— $2,070.7 $2,318.2 
Policy Loans— — 3,696.3 3,696.3 3,620.2 
Other Long-term Investments
Miscellaneous Long-term Investments— 15.7 0.3 16.0 16.0 
Total Financial Instrument Assets Not Carried at Fair Value$— $2,086.4 $3,696.6 $5,783.0 $5,954.4 
Liabilities
Long-term Debt$2,629.1 $598.8 $— $3,227.9 $3,430.4 
Other Liabilities
Unfunded Commitments— 0.2 — 0.2 0.2 
Payable for Collateral on FHLB Funding Agreements— 64.5 — 64.5 64.5 
Total Financial Instrument Liabilities Not Carried at Fair Value$2,629.1 $663.5 $— $3,292.6 $3,495.1 

The carrying values of financial instruments such as short-term investments, cash and bank deposits, accounts and premiums receivable, accrued investment income, securities lending agreements, and short-term debt approximate fair value due to the short-term nature of the instruments. As such, these financial instruments are not included in the above chart.

Fair values for insurance contracts other than investment contracts are not required to be disclosed. However, the fair values of liabilities under all insurance contracts are taken into consideration in our overall management of interest rate risk, which seeks to minimize exposure to changing interest rates through the matching of investment maturities with amounts due under insurance contracts.
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Investments
 12 Months Ended
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Investments
Fixed Maturity Securities

At December 31, 2024 and 2023, all fixed maturity securities were classified as available-for-sale. The amortized cost and fair values of securities by security type are shown as follows:
 December 31, 2024
 
Amortized
Cost, Gross of ACL1
ACL1
Gross
Unrealized
Gain		Gross
Unrealized
Loss		Fair
Value
(in millions of dollars)
United States Government and Government Agencies and Authorities$544.6 $— $13.9 $28.0 $530.5 
States, Municipalities, and Political Subdivisions3,795.6 — 65.5 569.7 3,291.4 
Foreign Governments912.1 — 9.5 153.5 768.1 
Public Utilities5,525.0 — 132.3 364.4 5,292.9 
Mortgage/Asset-Backed Securities2
949.4 — 5.0 37.2 917.2 
All Other Corporate Bonds26,535.2 2.8 450.6 2,160.8 24,822.2 
Redeemable Preferred Stocks8.0 — — 0.4 7.6 
Total Fixed Maturity Securities$38,269.9 $2.8 $676.8 $3,314.0 $35,629.9 

December 31, 2023
 
Amortized
Cost, Gross of ACL1
ACL1
Gross
Unrealized
Gain		Gross
Unrealized
Loss		Fair
Value
(in millions of dollars)
United States Government and Government Agencies and Authorities$618.6 $— $25.3 $19.1 $624.8 
States, Municipalities, and Political Subdivisions4,041.3 — 135.3 498.2 3,678.4 
Foreign Governments982.1 — 29.8 121.2 890.7 
Public Utilities5,398.2 — 217.1 293.7 5,321.6 
Mortgage/Asset-Backed Securities2
658.0 — 10.1 24.0 644.1 
All Other Corporate Bonds26,708.4 2.2 771.8 1,807.3 25,670.7 
Redeemable Preferred Stocks4.0 — — 0.4 3.6 
Total Fixed Maturity Securities$38,410.6 $2.2 $1,189.4 $2,763.9 $36,833.9 
1 Allowance for Credit Losses
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
The following charts indicate the length of time our fixed maturity securities have been in a gross unrealized loss position.

 December 31, 2024
 Less Than 12 Months12 Months or Greater
 Fair
Value		Gross
Unrealized
Loss		Fair
Value		Gross
Unrealized
Loss
(in millions of dollars)
United States Government and Government Agencies and Authorities$43.7 $4.1 $201.3 $23.9 
States, Municipalities, and Political Subdivisions425.8 15.3 1,926.2 554.4 
Foreign Governments171.9 10.6 266.3 142.9 
Public Utilities1,281.7 48.4 1,549.5 316.0 
Mortgage/Asset-Backed Securities1
199.9 8.9 285.9 28.3 
All Other Corporate Bonds4,904.4 182.5 12,209.3 1,978.3 
Redeemable Preferred Stocks3.9 0.1 3.7 0.3 
Total Fixed Maturity Securities$7,031.3 $269.9 $16,442.2 $3,044.1 

 December 31, 2023
 Less Than 12 Months12 Months or Greater
 Fair
Value		Gross
Unrealized
Loss		Fair
Value		Gross
Unrealized
Loss
(in millions of dollars)
United States Government and Government Agencies and Authorities$118.8 $0.7 $197.3 $18.4 
States, Municipalities, and Political Subdivisions128.0 4.0 2,035.1 494.2 
Foreign Governments149.9 3.3 312.9 117.9 
Public Utilities373.7 10.4 1,720.6 283.3 
Mortgage/Asset-Backed Securities1
60.3 2.5 316.7 21.5 
All Other Corporate Bonds1,483.8 26.8 14,215.2 1,780.5 
Redeemable Preferred Stocks— — 3.6 0.4 
Total Fixed Maturity Securities$2,314.5 $47.7 $18,801.4 $2,716.2 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
The following is a distribution of the maturity dates for fixed maturity securities. The maturity dates have not been adjusted for possible calls or prepayments.
 December 31, 2024
 
Amortized Cost, Net of ACL1
Unrealized Gain PositionUnrealized Loss Position
 Gross GainFair ValueGross LossFair Value
(in millions of dollars)
1 year or less$1,484.1 $4.1 $432.4 $6.2 $1,049.6 
Over 1 year through 5 years7,688.2 123.5 2,840.8 196.6 4,774.3 
Over 5 years through 10 years8,404.6 236.4 3,486.1 565.5 4,589.4 
Over 10 years19,740.8 307.8 4,965.7 2,508.5 12,574.4 
37,317.7 671.8 11,725.0 3,276.8 22,987.7 
Mortgage/Asset-Backed Securities2
949.4 5.0 431.4 37.2 485.8 
Total Fixed Maturity Securities$38,267.1 $676.8 $12,156.4 $3,314.0 $23,473.5 

 December 31, 2023
 
Amortized Cost, Net of ACL1
Unrealized Gain PositionUnrealized Loss Position
 Gross GainFair ValueGross LossFair Value
(in millions of dollars)
1 year or less$935.0 $0.9 $140.8 $7.5 $787.6 
Over 1 year through 5 years7,594.4 128.2 2,685.7 179.0 4,857.9 
Over 5 years through 10 years9,430.3 372.1 4,100.0 610.8 5,091.6 
Over 10 years19,790.7 678.1 8,524.4 1,942.6 10,001.8 
37,750.4 1,179.3 15,450.9 2,739.9 20,738.9 
Mortgage/Asset-Backed Securities2
658.0 10.1 267.1 24.0 377.0 
Total Fixed Maturity Securities$38,408.4 $1,189.4 $15,718.0 $2,763.9 $21,115.9 
1 Allowance for Credit Losses
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types

The following chart depicts an analysis of our fixed maturity security portfolio between investment-grade and below-investment-grade categories as of December 31, 2024:
Gross Unrealized Loss
Fair ValueGross Unrealized GainAmountPercent of Total Gross Unrealized Loss
(in millions of dollars)
Investment-Grade$34,193.9 $661.8 $3,236.2 97.7 %
Below-Investment-Grade1,436.0 15.0 77.8 2.3 
Total Fixed Maturity Securities$35,629.9 $676.8 $3,314.0 100.0 %

The unrealized losses on investment-grade fixed maturity securities principally relate to changes in interest rates or changes in market or sector credit spreads which occurred subsequent to the acquisition of the securities. Below-investment-grade fixed maturity securities are generally more likely to develop credit concerns than investment-grade securities. At December 31, 2024, the unrealized losses in our below-investment-grade fixed maturity securities were generally due to credit spreads in certain industries or sectors and, to a lesser extent, credit concerns related to specific securities. For each specific security in an unrealized loss position, we believe that there are positive factors which mitigate credit concerns and that the securities for
which we have not recorded a credit loss will recover in value. We have the ability and intent to continue to hold these securities to recovery of amortized cost less allowance for credit losses.

As of December 31, 2024, we held 924 individual investment-grade fixed maturity securities and 75 individual below-investment-grade fixed maturity securities that were in an unrealized loss position, of which 785 investment-grade fixed maturity securities and 47 below-investment-grade fixed maturity securities had been in an unrealized loss position continuously for over one year.

In determining when a decline in fair value below amortized cost of a fixed maturity security represents a credit loss, we evaluate the following factors:

•Whether we expect to recover the entire amortized cost basis of the security
•Whether we intend to sell the security or will be required to sell the security before the recovery of its amortized cost basis
•Whether the security is current as to principal and interest payments
•The significance of the decline in value
•Current and future business prospects and trends of earnings
•The valuation of the security's underlying collateral
•Relevant industry conditions and trends relative to their historical cycles
•Market conditions
•Rating agency and governmental actions
•Bid and offering prices and the level of trading activity
•Adverse changes in estimated cash flows for securitized investments
•Changes in fair value subsequent to the balance sheet date
•Any other key measures for the related security

While determining whether a credit loss exists is a judgmental area, we utilize a formal, well-defined, and disciplined process to monitor and evaluate our fixed income investment portfolio, supported by issuer specific research and documentation as of the end of each period. The process results in a thorough evaluation of investments and the recording of credit losses on a timely basis for investments determined to have a credit loss. We calculate the allowance for credit losses of fixed maturity securities based on the present value of our best estimate of cash flows expected to be collected, discounted using the effective interest rate implicit in the security at the date of acquisition. When estimating future cash flows, we analyze the strength of the issuer’s balance sheet, its debt obligations and near-term funding arrangements, cash flow and liquidity, the profitability of its core businesses, the availability of marketable assets which could be sold to increase liquidity, its industry fundamentals and regulatory environment, and its access to capital markets.

The following tables present a rollforward of the allowance for credit losses on available-for-sale fixed maturity securities, which were classified as "all other corporate bonds" during the years ended December 31, 2024 and December 31, 2023.
Year Ended December 31
20242023
(in millions of dollars)
Balance, beginning of period$2.2 $— 
Credit losses on securities for which credit losses were not previously recorded2.8 2.2 
Change in allowance on securities with allowance recorded in previous period0.2 — 
Change in allowance due to securities sold during the period
(2.4)— 
Balance, end of period$2.8 $2.2 

At December 31, 2024, we had commitments of $96.5 million to fund private placement fixed maturity securities, the amount of which may or may not be funded. 
Variable Interest Entities

We invest in variable interests issued by variable interest entities. These investments, which are passive in nature, include minority ownership interests in private equity partnerships, tax credit partnerships, and special purpose entities. Our maximum exposure to loss is limited to the carrying value of these investments in private equity partnerships, tax credit partnerships, and special purpose entities. For those variable interests that are not consolidated in our financial statements, we are not the primary beneficiary because we have neither the power to direct the activities that are most significant to economic performance nor the responsibility to absorb a majority of the expected losses. The determination of whether we are the primary beneficiary is performed at the time of our initial investment and at the date of each subsequent reporting period.

As of December 31, 2024, the carrying amount of our variable interest entity investments that are not consolidated in our financial statements was $1,450.8 million, comprised of $0.2 million of tax credit partnerships and $1,450.6 million of private equity partnerships. At December 31, 2023, the carrying amount of our variable interest entity investments that are not consolidated in our financial statements was $1,326.5 million, comprised of $0.3 million of tax credit partnerships and $1,326.2 million of private equity partnerships. These variable interest entity investments are reported as other long-term investments in our consolidated balance sheets.

The Company invests in tax credit partnerships primarily for the receipt of income tax credits and tax benefits derived from passive losses on the investments. Amounts recognized in the consolidated statements of income are as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Income Tax Credits$0.1 $1.1 $8.0 
Amortization, Net of Tax— (0.5)(5.9)
Income Tax Benefit$0.1 $0.6 $2.1 

Contractually, we are a limited partner in these tax credit partnerships, and our maximum exposure to loss is limited to the carrying value of our investment, which includes $0.2 million of unfunded unconditional commitments at December 31, 2024. See Note 2 for commitments to fund private equity partnerships.

Mortgage Loans

Our mortgage loan portfolio is well diversified by both geographic region and property type to reduce risk of concentration. All of our mortgage loans are collateralized by commercial real estate. When issuing a new loan, our general policy is not to exceed a loan-to-value ratio, or the ratio of the loan balance to the estimated fair value of the underlying collateral, of 75 percent. We update the loan-to-value ratios based on internal valuation of the collateral at least every three years for each loan, and properties undergo a general inspection at least every two years. Our general policy for newly issued loans is to have a debt service coverage ratio greater than 1.25 times on a normalized 25 year amortization period. We update our debt service coverage ratios annually.

We carry our mortgage loans at amortized cost less an allowance for expected credit losses. The amortized cost of our mortgage loans was $2,240.6 million and $2,328.4 million at December 31, 2024 and 2023, respectively. The allowance for expected credit losses was $16.1 million and $10.2 million at December 31, 2024 and 2023, respectively. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. We report accrued interest income for our mortgage loans as accrued investment income on our consolidated balance sheets, and the amount of the accrued income was $7.0 million and $7.2 million at December 31, 2024 and 2023, respectively.
The carrying amount of mortgage loans by property type and geographic region are presented below.
December 31
20242023
(in millions of dollars)
CarryingPercent ofCarryingPercent of
AmountTotalAmountTotal
Property Type
     Apartment$658.2 29.6 %$685.8 29.6 %
     Industrial690.4 31.0 706.0 30.5 
     Office338.4 15.2 379.9 16.4 
     Retail496.2 22.3 503.9 21.7 
Other41.3 1.9 42.6 1.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %

Region
     New England$52.6 2.4 %$55.1 2.4 %
     Mid-Atlantic167.2 7.5 155.1 6.7 
     East North Central297.2 13.4 314.4 13.6 
     West North Central151.1 6.8 163.5 7.0 
     South Atlantic532.5 23.9 553.0 23.8 
     East South Central95.1 4.3 110.7 4.8 
     West South Central193.6 8.7 200.9 8.7 
     Mountain278.7 12.5 282.7 12.2 
     Pacific456.5 20.5 482.8 20.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %

The risk in our mortgage loan portfolio is primarily related to vacancy rates. Events or developments, such as economic conditions that impact the ability of the borrowers to ensure occupancy of the property, may have a negative effect on our mortgage loan portfolio, particularly to the extent that our portfolio is concentrated in an affected region or property type. An increase in vacancies increases the probability of default, which would negatively affect our expected losses in our mortgage loan portfolio.

We evaluate each of our mortgage loans individually for impairment and assign an internal quality rating based on a comprehensive rating system used to evaluate the risk of the loan. The factors we use to derive our internal quality ratings may include the following:

•Loan-to-value ratio based on internal valuation of the property
•Debt service coverage ratio based on current operating income
•Property location, including regional economics, trends, and demographics
•Age, condition, and construction quality of property
•Current and historical occupancy of property
•Lease terms relative to market
•Tenant size and financial strength
•Borrower's financial strength
•Borrower's equity in transaction
•Additional collateral, if any
Although all available and applicable factors are considered in our analysis, loan-to-value and debt service coverage ratios are the most critical factors in determining whether we will initially issue the loan and also in assigning values and determining impairment. We assign an overall rating to each loan using an internal rating scale of AA (highest quality) to B (lowest quality). We review and adjust, as needed, our internal quality ratings on an annual basis. This review process is performed more frequently for mortgage loans deemed to have a higher risk of delinquency.

The following tables present information about mortgage loans by the applicable internal quality indicators:

December 31
20242023
(in millions of dollars)
Carrying AmountPercent of TotalCarrying AmountPercent of Total
Internal Mortgage Rating
AA$117.8 5.3 %$85.2 3.7 %
     A1,099.1 49.4 942.5 40.6 
     BBB915.5 41.2 1,249.5 53.9 
     BB85.0 3.8 41.0 1.8 
     B7.1 0.3 — — 
Total$2,224.5 100.0 %$2,318.2 100.0 %
Loan-to-Value Ratio1
     <= 65%$1,639.6 73.8 %$1,409.9 60.8 %
     > 65% <= 75%367.6 16.5 707.0 30.5 
     > 75% <= 85%152.3 6.8 136.5 5.9 
     > 85%65.0 2.9 64.8 2.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
The following tables present the amortized cost of our mortgage loans by year of origination and internal quality indicators for the years ended December 31, 2024 and 2023:

Year Ended December 31, 2024
Prior to 2020
20202021202220232024Total
(in millions of dollars)
Internal Mortgage Rating
AA$111.5 $— $6.4 $— $— $— $117.9 
A780.5 99.6 169.1 24.6 9.5 18.0 1,101.3 
BBB561.7 55.1 155.1 63.0 57.3 28.2 920.4 
BB86.8 — — — — — 86.8 
B14.2 — — — — — 14.2 
Total Amortized Cost1,554.7 154.7 330.6 87.6 66.8 46.2 2,240.6 
Allowance for credit losses(13.7)(0.5)(1.0)(0.3)(0.4)(0.2)(16.1)
Carrying Amount$1,541.0 $154.2 $329.6 $87.3 $66.4 $46.0 $2,224.5 
Loan-to-Value Ratio1
<=65%$1,229.6 $112.9 $210.0 $40.8 $38.7 $11.7 $1,643.7 
>65<=75%154.1 33.7 72.1 46.8 28.1 34.5 369.3 
>75%<=85%126.4 8.1 20.1 — — — 154.6 
>85%44.6 — 28.4 — — — 73.0 
Total Amortized Cost1,554.7 154.7 330.6 87.6 66.8 46.2 2,240.6 
Allowance for credit losses(13.7)(0.5)(1.0)(0.3)(0.4)(0.2)(16.1)
Carrying Amount$1,541.0 $154.2 $329.6 $87.3 $66.4 $46.0 $2,224.5 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
Year Ended December 31, 2023
Prior to 2019
20192020202120222023Total
(in millions of dollars)
Internal Mortgage Rating
AA$74.3 $11.0 $— $— $— $— $85.3 
A589.0 100.3 94.1 100.1 23.2 38.0 944.7 
BBB618.4 224.8 71.4 248.0 64.4 29.2 1,256.2 
BB42.2 — — — — — 42.2 
Total Amortized Cost1,323.9 336.1 165.5 348.1 87.6 67.2 2,328.4 
Allowance for credit losses(6.3)(1.3)(0.6)(1.0)(0.6)(0.4)(10.2)
Carrying Amount$1,317.6 $334.8 $164.9 $347.1 $87.0 $66.8 $2,318.2 
Loan-to-Value Ratio1
<=65%$908.3 $197.7 $116.4 $145.2 $16.2 $30.0 $1,413.8 
>65<=75%252.1 138.4 40.8 171.0 71.4 37.2 710.9 
>75%<=85%97.3 — 8.3 31.9 — — 137.5 
>85%66.2 — — — — — 66.2 
Total Amortized Cost1,323.9 336.1 165.5 348.1 87.6 67.2 2,328.4 
Allowance for credit losses(6.3)(1.3)(0.6)(1.0)(0.6)(0.4)(10.2)
Carrying Amount$1,317.6 $334.8 $164.9 $347.1 $87.0 $66.8 $2,318.2 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property

The following tables present a rollforward of allowance for expected credit losses by loan-to-value ratio for the years ended December 31, 2024 and 2023:

Year Ended December 31, 2024
Beginning of PeriodCurrent Period ProvisionsWrite-OffsRecoveriesEnd of Period
(in millions of dollars)
Loan-to-Value Ratio1
<=65%$3.8 $0.4 $— $— $4.2 
>65<=75%3.8 (2.1)— — 1.7 
>75%<=85%1.2 8.0 (7.0)— 2.2 
>85%1.4 6.6 — — 8.0 
Total$10.2 $12.9 $(7.0)$— $16.1 
Year Ended December 31, 2023
Beginning of PeriodCurrent Period ProvisionsWrite-OffsRecoveriesEnd of Period
(in millions of dollars)
Loan-to-Value Ratio1
<=65%$3.0 $0.8 $— $— $3.8 
>65<=75%4.7 (0.9)— — 3.8 
>75%<=85%1.1 0.1 — — 1.2 
>85%0.5 0.9 — — 1.4 
Total$9.3 $0.9 $— $— $10.2 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property

For the year ended December 31, 2024, we identified one impaired commercial mortgage loan, resulting in a $7.0 million write-off. This adjustment reduced the carrying value of the investment to $9.2 million as of December 31, 2024. No interest income was recognized on this loan following impairment. This single commercial mortgage loan was also past due as to principal and interest payments as of December 31, 2024. We did not hold any specifically identified impaired commercial mortgage loans for the years ended December 31, 2023 and 2022, nor did we recognize any interest income on impaired commercial mortgage loans during these periods. There were no commercial mortgage loans past due as to principal and/or interest payments for the years ended December 31, 2023, or 2022.

For the year ended December 31, 2024, all commercial mortgage loans which were previously modified for borrowers experiencing financial difficulties were current. During the year ended December 31, 2023 we granted an other-than-insignificant payment delay for a commercial mortgage loan with a carrying value of $14.2 million, which deferred the principal payment for 18 months. This modification represented less than one percent of the commercial mortgage loan portfolio balance for the years ending December 31, 2024 and December 31, 2023. Additionally, we had no loan foreclosures for the years ended December 31, 2024, 2023, or 2022.

At December 31, 2024 we had $17.9 million of commitments to fund certain commercial mortgage loans. At December 31, 2023 we had no commitments to fund certain commercial mortgage loans. Consistent with how we determine the estimate of current expected credit losses for our funded mortgage loans each period, we estimate expected credit losses for loans that have not been funded but we are committed to fund at the end of each period. At December 31, 2024, we had $0.1 million expected credit losses related to unfunded commitments on our consolidated balance sheets. At December 31, 2023, we had no expected credit losses related to unfunded commitments on our consolidated balance sheets.

Investment Real Estate

Our investment real estate held for the production of income balance was $59.5 million and $64.4 million at December 31, 2024 and 2023, respectively, and the associated accumulated depreciation was $129.7 million and $127.2 million at December 31, 2024 and 2023, respectively. We did not recognize any impairments related to our real estate during the years ended December 31, 2024 or December 31, 2022. For the year ended December 31, 2023, we recognized a $3.0 million impairment related to certain of our real estate held for investment.

Our held for sale real estate balance was $41.9 million and $40.9 million at December 31, 2024 and December 31, 2023, respectively. The associated accumulated depreciation was $57.5 million and $54.2 million at December 31, 2024 and December 31, 2023, respectively. The estimated fair values less costs to sell are above the carrying values of the properties and we expect to close the sales of the properties within the next twelve months.
Transfers of Financial Assets

To manage our cash position more efficiently, we may enter into repurchase agreements with unaffiliated financial institutions. We generally use repurchase agreements as a means to finance the purchase of invested assets or for short-term general business purposes until projected cash flows become available from our operations or existing investments. Our repurchase agreements are typically outstanding for less than 30 days. We post collateral through our repurchase agreement transactions whereby the counterparty commits to purchase securities with the agreement to resell them to us at a later, specified date. The fair value of collateral posted is generally 102 percent of the cash received.

Our investment policy also permits us to lend fixed maturity securities to unaffiliated financial institutions in short-term securities lending agreements. These agreements increase our investment income with minimal risk. Our securities lending policy requires that a minimum of 102 percent of the fair value of the securities loaned be maintained as collateral. We may receive cash and/or securities as collateral under these agreements. Cash received as collateral is typically reinvested in short-term investments. If securities are received as collateral, we are not permitted to sell or re-post them.

As of December 31, 2024, the carrying amount of fixed maturity securities loaned to third parties under our securities lending program was $94.0 million, for which we received collateral in the form of cash and securities of $62.7 million and $34.8 million, respectively. As of December 31, 2023, the carrying amount of fixed maturity securities loaned to third parties under our securities lending program was $72.0 million, for which we received collateral in the form of cash and securities of $63.1 million and $12.5 million, respectively. We had no outstanding repurchase agreements at December 31, 2024 or December 31, 2023.
The remaining contractual maturities of our securities lending agreements disaggregated by class of collateral pledged are as follows:

December 31
20242023
Overnight and Continuous
(in millions of dollars)
Borrowings
Public Utilities$5.2 $1.8 
Short-Term Investments
1.0 — 
All Other Corporate Bonds56.5 61.3 
Total Borrowings$62.7 $63.1 
Gross Amount of Recognized Liability for Securities Lending Transactions62.7 63.1 
Amounts Related to Agreements Not Included in Offsetting Disclosure Contained Herein$— $— 

Certain of our U.S. insurance subsidiaries are members of regional FHLBs. As members of the FHLBs, our insurance subsidiaries have the ability to borrow on a collateralized basis from the FHLBs. Each member is required to hold certain minimum amount of FHLB common stock as a condition of membership and additional amounts based on the amount of the borrowings. Advances received from the FHLB are primarily used for the purchase of matched fixed maturity securities. The carrying value of common stock owned, collateral posted, and advances received are as follows:

December 31
20242023
(in millions of dollars)
Carrying Value of FHLB Common Stock$26.7 $15.7 
Advances from FHLB324.2 64.5 
Carrying Value of Collateral Posted to FHLB
Fixed Maturity Securities$553.6 $589.0 
Commercial Mortgage Loans908.2 986.8 
Total Carrying Value of Collateral Posted to FHLB$1,461.8 $1,575.8 

Offsetting of Financial Instruments

We enter into master netting agreements with each of our derivative's counterparties. These agreements provide for conditional rights of set-off upon the occurrence of an early termination event. An early termination event is considered a default, and it allows the non-defaulting party to offset its contracts in a loss position against any gain positions or payments due to the defaulting party. Under our agreements, default type events are defined as failure to pay or deliver as contractually agreed, misrepresentation, bankruptcy, or merger without assumption. See Note 4 for further discussion of collateral related to our derivative contracts.

We have securities lending agreements with unaffiliated financial institutions that post collateral to us in return for the use of our fixed maturity securities. A right of set-off exists that allows us to keep and apply collateral received in the event of default by the counterparty. Default within a securities lending agreement would typically occur if the counterparty failed to return the securities borrowed from us as contractually agreed. In addition, if we default by not returning collateral received, the counterparty has a right of set-off against our securities or any other amounts due to us.
Shown below are our financial instruments that either meet the accounting requirements that allow them to be offset in our balance sheets or that are subject to an enforceable master netting arrangement or similar agreement. Our accounting policy is to not offset these financial instruments in our balance sheets. Net amounts disclosed below have been reduced by the amount of collateral pledged to or received from our counterparties.
December 31, 2024
Gross AmountGross Amount Not
of RecognizedGross AmountNet AmountOffset in Balance Sheet
FinancialOffset inPresented inFinancialCashNet
InstrumentsBalance SheetBalance SheetInstrumentsCollateralAmount
(in millions of dollars)
Financial Assets:
Derivatives$79.4 $— $79.4 $(75.7)$(3.2)$0.5 
Securities Lending94.0 — 94.0 (31.3)(62.7)— 
Total$173.4 $— $173.4 $(107.0)$(65.9)$0.5 
Financial Liabilities:
Derivatives$255.7 $— $255.7 $(254.3)$— $1.4 
Securities Lending62.7 — 62.7 (62.7)— — 
Total$318.4 $— $318.4 $(317.0)$— $1.4 

December 31, 2023
Gross AmountGross Amount Not
of RecognizedGross AmountNet AmountOffset in Balance Sheet
FinancialOffset inPresented inFinancialCashNet
InstrumentsBalance SheetBalance SheetInstrumentsCollateralAmount
(in millions of dollars)
Financial Assets:
Derivatives$99.9 $— $99.9 $(91.9)$(6.4)$1.6 
Securities Lending72.0 — 72.0 (8.9)(63.1)— 
Total$171.9 $— $171.9 $(100.8)$(69.5)$1.6 
Financial Liabilities:
Derivatives$116.2 $— $116.2 $(109.4)$— $6.8 
Securities Lending63.1 — 63.1 (63.1)— — 
Total$179.3 $— $179.3 $(172.5)$— $6.8 
Net Investment Income

Net investment income reported in our consolidated statements of income is presented below.
 Year Ended December 31
 202420232022
 (in millions of dollars)
Fixed Maturity Securities$1,860.4 $1,853.7 $1,849.8 
Derivatives30.7 45.1 57.8 
Mortgage Loans88.6 92.5 101.5 
Policy Loans20.9 20.8 20.0 
Other Long-term Investments
Perpetual Preferred Securities
0.3 2.5 5.0 
Private Equity Partnerships1
103.1 78.1 110.1 
Other12.0 9.2 9.4 
Short-term Investments90.9 68.7 20.0 
Gross Investment Income2,206.9 2,170.6 2,173.6 
Less Investment Expenses65.2 61.8 39.4 
Less Investment Income on Participation Fund Account Assets11.7 12.1 12.0 
Net Investment Income$2,130.0 $2,096.7 $2,122.2 

1The net unrealized gain recognized in net investment income for the year ended December 31, 2024 related to private equity partnerships still held at December 31, 2024 was $127.1 million, reduced by net management fees and partnership expenses of $(24.0) million. For the years ended December 31, 2023 and 2022, the net unrealized gain recognized in net investment income related to private equity partnerships still held at year-end was $102.9 million and $124.1 million, respectively, reduced by net management fees and partnership expenses of $(24.8) million and $(14.0) million, respectively. See Note 2 for further discussion of private equity partnerships.
Investment Gain and Loss

Investment gains and losses are as follows:

 Year Ended December 31
 202420232022
 (in millions of dollars)
Fixed Maturity Securities
Gross Gains on Sales
$1.3 $4.4 $2.3 
Gross Losses on Sales(39.5)(53.1)(28.8)
Impairment Loss1
(2.5)— — 
Change in Allowance for Credit Losses
(3.0)(2.2)(4.6)
Mortgage Loans and Other Invested Assets
Gross Gains on Sales0.5 6.0 1.4 
Gross Losses on Sales— (1.0)— 
Impairment Loss
(7.0)(3.0)— 
Change in Allowance for Credit Losses(5.9)(0.9)(1.0)
Embedded Derivative in Modified Coinsurance Arrangement13.0 12.4 16.2 
All Other Derivatives3.8 (0.6)2.6 
Other
9.2 — — 
Foreign Currency Transactions(4.5)2.0 (3.8)
Net Investment (Loss)
$(34.6)$(36.0)$(15.7)

1Includes write-down of securities that we intended to sell prior to recovery of the amortized cost basis.
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Derivative Financial Instruments
 12 Months Ended
Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Financial Instruments
Purpose of Derivatives

We are exposed to certain risks relating to our ongoing business operations. The primary risks managed by using derivative instruments are interest rate risk, risk related to matching duration for our assets and liabilities, foreign currency risk, and equity risk. Historically, we have utilized current and forward interest rate swaps, current and forward currency swaps, forward benchmark interest rate locks, currency forward contracts, forward contracts on specific fixed income securities, and total return swaps. Transactions hedging interest rate risk are primarily associated with our individual and group long-term care and individual and group disability products. All other product portfolios are periodically reviewed to determine if hedging strategies would be appropriate for risk management purposes. We do not use derivative financial instruments for speculative purposes.

Derivatives designated as cash flow hedges and used to reduce our exposure to interest rate and duration risk are as follows:

•Interest rate swaps were used to hedge interest rate risks and to improve the matching of assets and liabilities. An interest rate swap is an agreement in which we agree with other parties to exchange, at specified intervals, the difference between fixed rate and variable rate interest amounts. We used interest rate swaps to hedge the anticipated purchase of fixed maturity securities thereby protecting us from the potential adverse impact of declining interest rates on the associated policy reserves. We also used interest rate swaps to hedge the potential adverse impact of rising interest rates in anticipation of issuing fixed rate long-term debt.

•Forward benchmark interest rate locks are used to minimize interest rate risk associated with the anticipated purchase or associated future coupons of fixed maturity securities or the anticipated issuance of fixed rate long-term debt. A forward benchmark interest rate lock is a derivative contract without an initial investment where we and the counterparty agree to purchase or sell a specific benchmark interest rate fixed maturity bond at a future date at a predetermined price or yield.

Derivatives designated as either cash flow or fair value hedges and used to reduce our exposure to foreign currency risk are as follows:

•Foreign currency interest rate swaps are used to hedge the currency risk of certain foreign currency-denominated fixed maturity securities owned for portfolio diversification. Under these swap agreements, we agree to pay, at specified intervals, fixed rate foreign currency-denominated principal and interest payments in exchange for fixed rate payments in the functional currency of the operating segment.

Derivatives not designated as hedging instruments and used to reduce our exposure to foreign currency risk and volatility of the underlying deferred assets in our non-qualified defined contribution plan are as follows:

•Foreign currency interest rate swaps previously designated as hedges were used to hedge the currency risk of certain foreign currency-denominated fixed maturity securities owned for portfolio diversification. These derivatives were effective hedges prior to novation to a new counterparty. In conjunction with the novation, these derivatives were de-designated as hedges. We agree to pay, at specified intervals, fixed rate foreign currency-denominated principal and interest payments in exchange for fixed rate payments in the functional currency of the operating segment. We hold offsetting swaps wherein we agree to pay fixed rate principal and interest payments in the functional currency of the operating segment in exchange for fixed rate foreign currency-denominated payments.

•Foreign currency forward contracts are used to minimize foreign currency risk. A foreign currency forward is a derivative without an initial investment where we and the counterparty agree to exchange a specific amount of currencies, at a specific exchange rate, on a specific date. We use these forward contracts to hedge the currency risk arising from foreign-currency denominated investments.

•Total Return Swaps are used to economically hedge a portion of the liability related to our non-qualified defined contribution plan. A total return swap is an agreement in which we pay a floating rate of interest to the counterparty
and receive the total return on a portfolio of mutual funds and exchange traded funds. These swaps are cash settled on the last day of every month and the notional is re-established each month based on plan participant actions.

Derivative Risks

The basic types of risks associated with derivatives are market risk (that the value of the derivative will be adversely impacted by changes in the market, primarily changes in interest rates, exchange rates, and equity prices) and credit risk (that the counterparty will not perform according to the terms of the contract). The market risk of the derivatives should generally offset the market risk associated with the hedged financial instrument or liability. To help limit the credit exposure of the derivatives, we enter into master netting agreements with our counterparties whereby contracts in a gain position can be offset against contracts in a loss position. We also typically enter into bilateral, cross-collateralization agreements with our counterparties to help limit the credit exposure of the derivatives. These agreements require the counterparty in a loss position to submit acceptable collateral with the other counterparty in the event the net loss position meets or exceeds an agreed upon amount. Credit exposure on derivatives is limited to the value of those contracts in a net gain position, including accrued interest receivable less collateral held. At December 31, 2024 and 2023, we had $0.5 million and $1.6 million credit exposure on derivatives, respectively. The table below summarizes the nature and amount of collateral received from and posted to our derivative counterparties.

December 31
20242023
(in millions of dollars)
Carrying Value of Collateral Received from Counterparties
Cash$3.6 $11.1 
Fixed Maturity Securities8.4 26.3 
$12.0 $37.4 
Carrying Value of Collateral Posted to Counterparties
Cash$4.0 $— 
Fixed Maturity Securities196.7 39.8 
$200.7 $39.8 

See Note 3 for further discussion of our master netting agreements.

All of our derivative instruments contain provisions that require us to maintain specified issuer credit ratings and financial strength ratings. Should our ratings fall below these specified levels, we would be in violation of the provisions, and our derivatives counterparties could terminate our contracts and request immediate payment. The aggregate fair value of all derivative instruments with credit risk-related contingent features that were in a liability position was $255.7 million and $116.2 million at December 31, 2024 and 2023, respectively.

Cash Flow Hedges

As of December 31, 2024 and 2023, we had $139.1 million and $149.5 million, respectively, notional amount of receive fixed, pay fixed, open current and forward foreign currency interest rate swaps to hedge fixed income foreign currency-denominated securities.

As of December 31, 2024 and 2023, we had $2,570.0 million and $1,905.0 million, respectively, notional amount of forward benchmark interest rate locks to hedge the anticipated purchase or associated future coupons of fixed maturity securities.

As of December 31, 2024, we expect to amortize approximately $9.2 million of net deferred gains on derivative instruments during the next twelve months. This amount will be reclassified from AOCI into earnings and reported on the same income statement line item as the hedged item. The income statement line items that will be affected by this amortization are net
investment income and interest and debt expense. Additional amounts that may be reclassified from AOCI into earnings to offset the earnings impact of foreign currency translation of hedged items are not estimable.

As of December 31, 2024, we are hedging the variability of future cash flows associated with forecasted transactions through the year 2064.

Fair Value Hedges

As of December 31, 2024 and 2023, we had $736.4 million and $642.5 million notional amount of receive fixed, pay fixed, open current and forward foreign currency interest rate swaps to hedge fixed income foreign currency-denominated securities.

The following tables summarize the amortized cost, carrying amount of hedged assets, and the related cumulative basis adjustments related to our fair value hedges:
December 31, 2024
(in millions of dollars)
Amortized Cost of Hedged Assets
Carrying Amount of Hedged Assets
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed maturity securities:
Receive fixed foreign currency interest, pay fixed foreign currency interest$648.4 $551.0 $(46.3)
December 31, 2023
(in millions of dollars)
Amortized Cost of Hedged Assets
Carrying Amount of Hedged Assets
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed maturity securities:
Receive fixed foreign currency interest, pay fixed foreign currency interest$636.9 $529.2 $(6.1)

For the years ended December 31, 2024, 2023, and 2022, $(22.0) million, $(21.1) million, and $17.6 million, respectively, of the derivative instruments' gain (loss) related to cross-currency basis spread and forward points was excluded from the assessment of hedge effectiveness. There were no instances wherein we discontinued fair value hedge accounting due to a hedged firm commitment no longer qualifying as a fair value hedge.

Derivatives not Designated as Hedging Instruments

As of December 31, 2024 and 2023, we held $125.9 million and $132.0 million, respectively, notional amount of receive fixed, pay fixed, foreign currency interest rate swaps. These derivatives are not designated as hedges, and as such, changes in fair value related to these derivatives are reported in earnings as a component of net investment gain or loss.

As of December 31, 2024 and 2023, we held $51.1 million and $52.5 million, respectively, notional amount of foreign currency forwards to mitigate the foreign currency risk associated with specific securities owned. These derivatives are not designated as hedges, and as such, changes in fair value related to these derivatives are reported in earnings as a component of net investment gain or loss.

As of December 31, 2024 and 2023, we held $128.9 million and $102.2 million, respectively, notional amount of total return swaps to mitigate the volatility associated with changes in the fair value of the underlying notional assets in our non-qualified
defined contribution plan. This derivative is an economic hedge not designated as a hedging instrument, and changes in fair value are reported as a component of other expenses in our income statement.

We have an embedded derivative in a modified coinsurance arrangement for which we include in our net investment gains and losses a calculation intended to estimate the value of the option of our reinsurance counterparty to cancel the reinsurance contract with us. However, neither party can unilaterally terminate the reinsurance agreement except in extreme circumstances resulting from regulatory supervision, delinquency proceedings, or other direct regulatory action. Cash settlements or collateral related to this embedded derivative are not required at any time during the reinsurance contract or at termination of the reinsurance contract. There are no credit-related counterparty triggers, and any accumulated embedded derivative gain or loss reduces to zero over time as the reinsured business winds down.

Locations and Amounts of Derivative Financial Instruments

The following tables summarize the notional amounts and fair values of derivative financial instruments, as reported in our consolidated balance sheets. Derivative assets are included in other long-term investments, while derivative liabilities are included in other liabilities within our consolidated balance sheets. The notional amounts represent the basis upon which our counterparty pay and receive amounts are calculated.

 December 31, 2024
 Derivative AssetsDerivative Liabilities
 Notional
Amount		Fair
Value		Fair
Value
(in millions of dollars)
Designated as Hedging Instruments
Cash Flow Hedges
Forward Benchmark Interest Rate Locks$2,570.0 $3.4 $223.2 
Foreign Currency Interest Rate Swaps139.1 17.6 1.1 
Total Cash Flow Hedges2,709.1 21.0 224.3 
Fair Value Hedges
Foreign Currency Interest Rate Swaps736.4 54.7 15.0 
Total Designated as Hedging Instruments$3,445.5 $75.7 $239.3 
Not Designated as Hedging Instruments
Foreign Currency Forwards$51.1 $3.1 $— 
Foreign Currency Interest Rate Swaps125.9 0.6 16.4 
Total Return Swaps128.9 — — 
Embedded Derivative in Modified Coinsurance Arrangement— 11.5 — 
Total Not Designated as Hedging Instruments$305.9 $15.2 $16.4 
Total Derivatives$3,751.4 $90.9 $255.7 
 December 31, 2023
 Derivative AssetsDerivative Liabilities
 Notional
Amount		Fair
Value		Fair
Value
(in millions of dollars)
Designated as Hedging Instruments
Cash Flow Hedges
Forward Benchmark Interest Rate Locks$1,905.0 $44.5 $77.8 
Foreign Currency Interest Rate Swaps149.5 14.2 4.5 
Total Cash Flow Hedges2,054.5 58.7 82.3 
Fair Value Hedges
Foreign Currency Interest Rate Swaps642.5 38.2 16.7 
Total Designated as Hedging Instruments$2,697.0 $96.9 $99.0 
Not Designated as Hedging Instruments
Foreign Currency Forwards$52.5 $3.0 $0.2 
Foreign Currency Interest Rate Swaps132.0 — 17.0 
Total Return Swaps102.2 — — 
Embedded Derivative in Modified Coinsurance Arrangement— — 1.5 
Total Not Designated as Hedging Instruments$286.7 $3.0 $18.7 
Total Derivatives$2,983.7 $99.9 $117.7 


The following tables summarize the location of gains and losses of derivative financial instruments designated as hedging instruments, as reported in our consolidated statements of income.
 Year Ended December 31, 2024
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,130.0 $(34.6)$201.1 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items109.6 — 2.9 
Derivatives Designated as Hedging Instruments17.4 — — 
Foreign Exchange Contracts:
Hedged items8.6 (0.4)— 
Derivatives Designated as Hedging Instruments0.7 0.4 — 
Forward Benchmark Interest Rate Locks:
Hedged items40.7 — — 
Derivatives Designated as Hedging Instruments(1.0)— — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items17.1 (40.2)— 
Derivatives Designated as Hedging Instruments14.5 40.2 — 
 Year Ended December 31, 2023
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,096.7 $(36.0)$194.8 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items198.6 0.8 2.9 
Derivatives Designated as Hedging Instruments35.2 — — 
Foreign Exchange Contracts:
Hedged items9.6 0.4 — 
Derivatives Designated as Hedging Instruments— (0.4)— 
Forward Benchmark Interest Rate Locks:
Hedged items18.5 — — 
Derivatives Designated as Hedging Instruments(0.5)— — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items14.5 18.7 — 
Derivatives Designated as Hedging Instruments11.1 (18.7)— 

 Year Ended December 31, 2022
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,122.2 $(15.7)$188.5 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items200.0 — 2.9 
Derivatives Designated as Hedging Instruments51.0 — — 
Foreign Exchange Contracts:
Hedged items12.3 (2.3)— 
Derivatives Designated as Hedging Instruments(0.8)1.8 — 
Forward Benchmark Interest Rate Locks:
Hedged items0.5 — — 
Derivatives Designated as Hedging Instruments— — — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items11.6 (26.8)— 
Derivatives Designated as Hedging Instruments7.3 26.8 — 
The following table summarizes the location of gains and losses of derivative financial instruments designated as cash flow hedging instruments, as reported in our consolidated statements of comprehensive income (loss).
Year Ended December 31
 202420232022
 (in millions of dollars)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives
Forward Benchmark Interest Rate Locks
$(213.8)$(22.5)$(49.8)
Foreign Exchange Contracts7.2 (4.3)7.4 
Total$(206.6)$(26.8)$(42.4)

The following table summarizes the location of gains and losses on our derivatives not designated as hedging instruments, as reported in our consolidated statements of income.
 Year Ended December 31
 202420232022
 (in millions of dollars)
Net Investment Gain (Loss)
Foreign Exchange Contracts$3.8 $(0.6)$2.7 
Embedded Derivative in Modified Coinsurance Arrangement13.0 12.4 16.2 
Total$16.8 $11.8 $18.9 
Other Expenses
(Gain) Loss on Total Return Swaps$(12.5)$(13.6)$18.9 
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Accumulated Other Comprehensive Loss
 12 Months Ended
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Components of AOCI, after tax, and related changes are as follows:
Net Unrealized Gain (Loss) on Securities
Effect of Change in Discount Rate Assumptions on the LFPB1
Net Gain (Loss) on Derivatives
Foreign Currency Translation AdjustmentUnrecognized Pension and Postretirement Benefit CostsTotal
(in millions of dollars)
Balance at December 31, 2021$4,014.4 $(8,570.7)$61.8 $(274.1)$(396.0)$(5,164.6)
Other Comprehensive Income (Loss) Before Reclassifications(7,066.0)8,884.6 (30.4)(116.0)49.7 1,721.9 
Amounts Reclassified from AOCI
23.2 — (41.0)— 12.2 (5.6)
Net Other Comprehensive Income (Loss)(7,042.8)8,884.6 (71.4)(116.0)61.9 1,716.3 
Balance at December 31, 2022(3,028.4)313.9 (9.6)(390.1)(334.1)(3,448.3)
Other Comprehensive Income (Loss) Before Reclassifications1,069.3 (962.3)(37.4)69.0 (16.9)121.7 
Amounts Reclassified from AOCI
40.0 — (26.7)— 5.3 18.6 
Net Other Comprehensive Income (Loss)1,109.3 (962.3)(64.1)69.0 (11.6)140.3 
Balance at December 31, 2023(1,919.1)(648.4)(73.7)(321.1)(345.7)(3,308.0)
Other Comprehensive Income (Loss) Before Reclassifications(870.4)1,833.8 (184.4)(21.9)(7.4)749.7 
Amounts Reclassified from AOCI
34.3 — (12.6)— 12.9 34.6 
Net Other Comprehensive Income (Loss)(836.1)1,833.8 (197.0)(21.9)5.5 784.3 
Balance at December 31, 2024$(2,755.2)$1,185.4 $(270.7)$(343.0)$(340.2)$(2,523.7)
1Liability for Future Policy Benefits

Amounts reclassified from AOCI were recognized in our consolidated statements of income as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Net Unrealized Gain (Loss) on Securities
Net Investment Loss on Fixed Maturity Securities
Net Loss on Sales$(38.2)$(48.7)$(24.8)
Impairment Loss(2.5)— — 
Change in Allowance for Credit Losses(3.0)(2.2)(4.6)
(43.7)(50.9)(29.4)
Income Tax Benefit(9.4)(10.9)(6.2)
Total$(34.3)$(40.0)$(23.2)
Net Gain (Loss) on Derivatives
Net Investment Income
Gain on Interest Rate Swaps and Forwards$16.4 $34.7 $51.1 
Loss on Foreign Currency Interest Rate Swaps (0.2)(0.5)(1.0)
Net Investment Gain (Loss)
Gain (Loss) on Foreign Currency Interest Rate Swaps(0.2)(0.4)1.8 
16.0 33.8 51.9 
Income Tax Expense3.4 7.1 10.9 
Total$12.6 $26.7 $41.0 
Unrecognized Pension and Postretirement Benefit Costs
Other Expenses
Amortization of Net Actuarial Loss$(16.4)$(7.2)$(15.7)
Amortization of Prior Service Credit0.1 0.2 0.2 
(16.3)(7.0)(15.5)
Income Tax Benefit(3.4)(1.7)(3.3)
Total$(12.9)$(5.3)$(12.2)
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Financial Services, Insurance
 12 Months Ended
Dec. 31, 2024
Insurance [Abstract]  
Long-Duration Insurance Contracts Disclosure
Liabilities for future policy benefits represent the cost of claims that we estimate we will eventually pay to our policyholders which includes policy liabilities for claims not yet incurred and for claims that have been incurred or are estimated to have been incurred but not yet reported to us. Liabilities for future policy benefits also include the related expenses for our non interest-sensitive life and accident and health products. The liability for future policy benefits is calculated based on the present value of the estimated future policy benefits less the present value of estimated future net premiums collected. Net premiums represent the portion of the gross premium required to provide for all benefits and expenses, excluding acquisition costs or any costs that are required to be charged to expense as incurred. In calculating the liability for future policy benefits, our long-duration contracts are grouped into cohorts by product type and contract issue year.

The calculation of the liability for future policy benefits involves numerous assumptions including assumptions related to discount rate, lapses, mortality, and morbidity. Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently if necessary based on trending experience and future expectations. On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience.

The initial, also referred to as the original, discount rate assumptions established for each cohort are used to determine interest accretion. After policy issuance or policy renewal, the discount rate assumptions are updated quarterly and used to update the liability at each reporting date to the current discount rate. The weighted average current discount rate was 5.3 percent at December 31, 2024, 4.8 percent at December 31, 2023, and 5.0 percent at December 31, 2022. The discount rate was higher at December 31, 2024 relative to December 31, 2023 due to an increase in U.S. Treasury rates. The discount rate was lower at December 31, 2023 relative to December 31, 2022 due primarily to a decrease in credit spreads.

During the third quarter of 2024, we completed our annual cash flow assumption review and we updated certain of our assumptions used to develop the liability for future policy benefits which resulted in a net decrease to the liability. The decrease to the liability for future policy benefits was driven primarily by assumption updates in our Closed Block long-term care product line, Unum US group disability product line, Unum US individual disability product line, and the Colonial Life segment. The Closed Block long-term care assumption updates were primarily driven by an increase to expected premium rate increase approvals within our existing premium rate increase program, partially offset by lower than expected persistency on group policies. The Unum US group disability product line assumption updates were primarily related to claim resolution assumptions driven by favorable claim recovery trends, while the Unum US individual disability product line assumption updates were primarily driven by favorable claim incidence trends. The Colonial Life segment assumption updates were driven by improved claim cost assumptions.

During the third quarter of 2023, we completed our annual cash flow assumption review and updated certain of our assumptions used to develop the liability for future policy benefits which resulted in a net increase to the liability. The increase to the liability for future policy benefits was driven primarily by assumption updates in our Closed Block long-term care product line, partially offset by assumption updates in the Unum US group disability product line and in the Colonial Life segment. The long-term care assumption updates were primarily driven by lower expectations for active policy lapse and mortality assumptions, partially offset by an increase to expected premium rate increase approvals within our existing premium rate increase program. The Unum US group disability product line assumption updates were primarily related to claim resolution assumptions driven by favorable claim recovery trends, while the Colonial Life segment assumption updates were driven by improved claim cost assumptions and increases in policyholder lapse rates.
During the third quarter of 2022, we completed our annual cash flow assumption review and updated certain of our assumptions used to develop the liability for future policy benefits which resulted in a net increase to the liability. The increase to the liability for future policy benefits was driven primarily by assumption updates related to the reinsured portion of our Closed Block segment, mostly offset by assumption updates in the Unum US segment and the Colonial Life segment. The Closed Block segment assumption updates related to the reinsured portion of our all other product line primarily included updates to mortality assumptions for the advanced age portion of our individual disability claimant population. This advanced age claimant population was included in the block ceded as a part of the Closed Block individual disability reinsurance transaction with Commonwealth Annuity and Life Insurance Company. As a result, a corresponding increase was reported in our consolidated balance sheet as a reinsurance recoverable related to these assumption updates. The Unum US segment assumption updates were primarily driven by sustained improvement in claim recovery trends in our group disability and group life product lines, partially offset by lower social security benefit offsets in our group disability product line. The Colonial Life segment assumption updates were primarily driven by improved claim cost assumptions.

Actual variance from expected experience for 2024 was due primarily to the Unum US group disability, Closed Block long-term care, and the Unum US group life and accidental death and dismemberment product lines, as well as the Unum International and Colonial Life segments. The variance in the Unum US group disability product line was primarily due to higher than expected claim resolutions driven by recoveries. The variance in our Closed Block long-term care product line was driven primarily by higher than expected claim incidence, as well as lower than expected policy terminations, partially offset by higher than expected claim resolutions. The variance in the Unum US group life and accidental death and dismemberment product line was driven primarily by higher than expected claim resolutions driven by recoveries for waiver of premium benefits and lower than expected mortality experience. The variance in the Unum International segment was driven by higher than expected recoveries. The variance in the Colonial Life segment was driven by lower than expected claim costs.

Actual variance from expected experience for 2023 was due primarily to the Unum US group disability, Unum US group life and accidental death and dismemberment, Unum US individual disability, and Closed Block long-term care product lines. The variance for the Unum US group disability product line was driven by higher than expected claim resolutions driven by recoveries, and the variance in the group life and accidental death and dismemberment product line was driven by lower than expected mortality experience and higher than expected recovery experience for waiver of premium benefits. The variance in the Unum US individual disability product line was driven primarily by lower than expected new claim incidence, while the variance for the Closed Block long-term care product line was driven by higher than expected claim incidence.

Actual variance from expected experience for 2022 was due primarily to the Unum US group disability, Unum US group life and accidental death and dismemberment, and the Unum UK group product lines, as well as the Colonial Life segment. The variance for the Unum US group disability product line was driven by higher than expected claim resolutions driven by recoveries, and the variance in the group life and accidental death and dismemberment product line was driven by lower than expected new claim incidence for waiver of premium benefits. The variance in the Unum UK group product lines was driven by an increase in inflation-linked experience compared to expectations. The variance for the Colonial Life segment was driven primarily by lower claim costs.

For the years ended December 31, 2024, 2023, and 2022 there were certain cohorts within the Colonial Life segment, related to our cancer and critical illness product line, and within the Closed Block segment, related to our long-term care product line, for which net premiums exceeded gross premiums. The cohorts for which net premiums exceeded gross premiums within the Closed Block segment resulted in a $46.2 million increase to income before income tax for the year ended December 31, 2024 and resulted in a $226.5 million reduction to income before income tax for the year ended December 31, 2023. For the years ended December 31, 2024, 2023, and 2022, the cohorts for which net premiums exceeded the gross premiums within the Colonial Life segment had an immaterial impact to income before income tax. The impact to income for capped cohorts includes the impact of assumption updates. There were no other product lines with cohorts for which net premiums exceeded gross premiums for the years ended December 31, 2024, 2023, and 2022.
The following table presents balances as well as the changes in the liability for future policy benefits for traditional long duration products.
Consolidated
December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$14,417.8$12,426.2 $15,881.3 
Beginning balance at original discount rate14,243.2 12,695.3 13,186.2 
Effect of changes in cash flow assumptions73.0 1,499.2 (101.9)
Effect of actual variances from expected experience(148.2)(82.5)(269.6)
Adjusted beginning of year balance14,168.014,112.012,814.7
Issuances1,075.31,054.9 877.5 
Interest accretion637.0584.0 566.0 
Net premiums collected(1,597.9)(1,537.4)(1,542.3)
Foreign currency(15.5)29.7(20.6)
Ending balance at original discount rate14,266.914,243.212,695.3
Effect of change in discount rate assumptions(336.3)174.6 (269.1)
Balance, end of period$13,930.6$14,417.8$12,426.2
Present Value of Expected Future Policy Benefits
Balance, beginning of year$52,423.6$48,929.4$65,305.0
Beginning balance at original discount rate51,305.7 49,689.0 50,397.2 
Effect of changes in cash flow assumptions(248.5)1,702.0 (92.4)
Effect of actual variances from expected experience(336.1)(310.8)(535.1)
Adjusted beginning of year balance50,721.151,080.249,769.7
Issuances1
3,082.03,072.23,194.5
Interest accretion2,253.12,227.22,236.2
Benefit payments(5,215.2)(5,236.1)(5,231.0)
Foreign currency(62.8)162.2(280.4)
Ending balance at original discount rate50,778.251,305.749,689.0
Effect of change in discount rate assumptions(1,858.1)1,117.9 (759.6)
Balance, end of period$48,920.1$52,423.6$48,929.4
Net liability for future policy benefits$34,989.5$38,005.8$36,503.2
Other2
1,591.7 1,753.3 1,854.5 
Total liability for future policy benefits36,581.2 39,759.1 38,357.7 
Less: Reinsurance recoverable related to future policy benefits7,038.7 7,756.1 8,128.2 
Net liability for future policy benefits, after reinsurance recoverable$29,542.5$32,003.0$30,229.5
1Issuances include new policy issuances for most product lines. For our Unum US group disability, Unum US group life and AD&D and Closed Block - All Other product lines and certain of our Unum International product lines, this line represents new claim incurrals.
2Other primarily relates to our Closed Block - All Other product line.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products presented in the rollforward activity above.

Consolidated
Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$10,107.5$9,690.7$9,391.8
Interest accretion$1,616.1$1,643.2$1,670.2

Consolidated
December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$103,434.1$105,325.8$97,060.7
Expected future gross premiums$39,338.5$38,761.5$35,299.8
Amount of discounted (at interest accretion rate):
Expected future gross premiums$25,929.1$25,552.9$23,827.2
Weighted average interest rate:
Interest accretion rate4.9 %4.8 %4.8 %
Current discount rate5.3 %4.8 %5.0 %
Weighted average duration of the liability
11.4 years11.5 years10.9 years
Unum US Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Unum US segment.
December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $— $— $1,134.7 $1,296.7 $2,431.4
Beginning balance at original discount rate— — 1,192.5 1,294.4 2,486.9
Effect of changes in cash flow assumptions— — 41.5 (100.2)(58.7)
Effect of actual variances from expected experience— — (66.2)(3.4)(69.6)
Adjusted beginning of year balance——1,167.81,190.82,358.6
Issuances— — 316.3168.7485.0
Interest accretion— — 39.451.691.0
Net premiums collected— — (188.2)(180.4)(368.6)
Ending balance at original discount rate——1,335.31,230.72,566.0
Effect of change in discount rate assumptions——(95.1)(28.2)(123.3)
Balance, end of period$—$—$1,240.2$1,202.5$2,442.7
Present Value of Expected Future Policy Benefits
Balance, beginning of year$5,147.4$922.0$2,334.5$3,348.6$11,752.5
Beginning balance at original discount rate5,277.1936.52,422.03,313.911,949.5
Effect of changes in cash flow assumptions(76.4)(17.0)51.6(155.4)(197.2)
Effect of actual variances from expected experience(168.9)(53.1)(68.0)(19.1)(309.1)
Adjusted beginning of year balance5,031.8866.42,405.63,139.411,443.2
Issuances1
1,093.2375.4339.3183.11,991.0
Interest accretion151.317.797.7149.1415.8
Benefit payments(1,368.8)(406.9)(228.0)(280.5)(2,284.2)
Ending balance at original discount rate4,907.5852.62,614.63,191.111,565.8
Effect of change in discount rate assumptions(171.7)(17.4)(252.1)(94.6)(535.8)
Balance, end of period$4,735.8$835.2$2,362.5$3,096.5$11,030.0
Net liability for future policy benefits$4,735.8$835.2$1,122.3$1,894.0$8,587.3
Other0.40.82.826.430.4
Total liability for future policy benefits4,736.2836.01,125.11,920.48,617.7
Less: Reinsurance recoverable related to future policy benefits26.45.313.0149.3194.0
Net liability for future policy benefits, after reinsurance recoverable$4,709.8$830.7$1,112.1$1,771.1$8,423.7
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$—$—$868.2$1,202.9$2,071.1
Beginning balance at original discount rate——937.91,228.12,166.0
Effect of changes in cash flow assumptions——180.75.0185.7
Effect of actual variances from expected experience——(79.8)(10.4)(90.2)
Adjusted beginning of year balance——1,038.81,222.72,261.5
Issuances——288.6197.9486.5
Interest accretion——29.048.277.2
Net premiums collected——(163.9)(174.4)(338.3)
Ending balance at original discount rate——1,192.51,294.42,486.9
Effect of change in discount rate assumptions——(57.8)2.3(55.5)
Balance, end of period$—$—$1,134.7$1,296.7$2,431.4
Present Value of Expected Future Policy Benefits
Balance, beginning of year $5,533.3$972.6$1,999.5$3,192.8$11,698.2
Beginning balance at original discount rate5,793.1998.52,141.23,244.512,177.3
Effect of changes in cash flow assumptions(100.2)—170.17.977.8
Effect of actual variances from expected experience(204.0)(37.0)(90.9)(45.3)(377.2)
Adjusted beginning of year balance5,488.9961.52,220.43,207.111,877.9
Issuances1
1,094.5394.2303.7215.32,007.7
Interest accretion171.220.086.2164.7442.1
Benefit payments(1,477.5)(439.2)(188.3)(273.2)(2,378.2)
Ending balance at original discount rate5,277.1936.52,422.03,313.911,949.5
Effect of change in discount rate assumptions(129.7)(14.5)(87.5)34.7(197.0)
Balance, end of period$5,147.4$922.0$2,334.5$3,348.6$11,752.5
Net liability for future policy benefits$5,147.4$922.0$1,199.8$2,051.9$9,321.1
Other0.21.02.627.831.6
Total liability for future policy benefits5,147.6923.01,202.42,079.79,352.7
Less: Reinsurance recoverable related to future policy benefits30.77.214.0156.7208.6
Net liability for future policy benefits, after reinsurance recoverable$5,116.9$915.8$1,188.4$1,923.0$9,144.1
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$—$—$1,124.8$1,494.3$2,619.1
Beginning balance at original discount rate——1,032.31,279.62,311.9
Effect of changes in cash flow assumptions——(23.4)(73.7)(97.1)
Effect of actual variances from expected experience——(70.9)(25.2)(96.1)
Adjusted beginning of year balance——938.01,180.72,118.7
Issuances——136.2168.6304.8
Interest accretion——29.149.878.9
Net premiums collected——(165.4)(171.0)(336.4)
Ending balance at original discount rate——937.91,228.12,166.0
Effect of change in discount rate assumptions——(69.7)(25.2)(94.9)
Balance, end of period$—$—$868.2$1,202.9$2,071.1
Present Value of Expected Future Policy Benefits
Balance, beginning of year $6,725.7$1,124.1$2,697.3$4,017.3$14,564.4
Beginning balance at original discount rate6,158.31,058.32,201.83,253.312,671.7
Effect of changes in cash flow assumptions(102.0)(32.9)(39.9)(53.4)(228.2)
Effect of actual variances from expected experience(239.4)(34.3)(74.9)(36.0)(384.6)
Adjusted beginning of year balance5,816.9991.12,087.03,163.912,058.9
Issuances1
1,304.3444.1154.0181.42,083.8
Interest accretion210.524.586.1155.3476.4
Benefit payments(1,538.6)(461.2)(185.9)(256.1)(2,441.8)
Ending balance at original discount rate5,793.1998.52,141.23,244.512,177.3
Effect of change in discount rate assumptions(259.8)(25.9)(141.7)(51.7)(479.1)
Balance, end of period$5,533.3$972.6$1,999.5$3,192.8$11,698.2
Net liability for future policy benefits$5,533.3$972.6$1,131.3$1,989.9$9,627.1
Other0.40.915.624.741.6
Total liability for future policy benefits5,533.7973.51,146.92,014.69,668.7
Less: Reinsurance recoverable related to future policy benefits36.07.514.1193.6251.2
Net liability for future policy benefits, after reinsurance recoverable$5,497.7$966.0$1,132.8$1,821.0$9,417.5
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Unum US segment presented in the rollforward activity above.
Year Ended December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$3,070.4$1,996.0$821.7$659.0$6,547.1
Interest accretion$151.3$17.7$58.3$97.5$324.8

Year Ended December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$2,958.7$1,878.0$789.9$636.6$6,263.2
Interest accretion$171.2$20.0$57.2$116.5$364.9

Year Ended December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$2,791.7$1,864.9$773.6$591.5$6,021.7
Interest accretion$210.5$24.5$57.0$105.5$397.5
December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$5,953.3 $964.5$5,590.6 $5,112.9$17,621.3 
Expected future gross premiums$— $—$5,799.1 $5,858.2$11,657.3 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$3,815.4 $4,211.8 $8,027.2 
Weighted average interest rate:
Interest accretion rate4.2 %2.3 %5.0 %5.1 %4.3%
Current discount rate4.9 %2.7 %5.5 %5.3 %4.9%
Weighted average duration of the liability4.2 years2.4 years18.3 years9.4 years7.1 years
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$6,376.6 $1,063.2$5,173.1 $5,313.7$17,926.6 
Expected future gross premiums$— $—$5,450.6 $5,724.8$11,175.4 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$3,717.5 $4,112.9 $7,830.4 
Weighted average interest rate:
Interest accretion rate4.0 %2.2 %5.0 %5.1 %4.2%
Current discount rate4.6 %2.6 %4.9 %4.8 %4.5%
Weighted average duration of the liability4.3 years2.6 years18.1 years9.6 years7.0 years

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$6,988.1 $1,133.0$4,561.1 $5,168.2$17,850.4 
Expected future gross premiums$— $—$3,979.6 $5,525.1$9,504.7 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$2,939.1 $3,962.1 $6,901.2 
Weighted average interest rate:
Interest accretion rate3.8 %2.2 %5.1 %5.1 %4.0%
Current discount rate4.9 %2.7 %5.2 %5.1 %4.7%
Weighted average duration of the liability4.4 years2.6 years17.8 years9.4 years6.8 years
Unum International Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Unum International segment.

December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$270.3$197.1$260.5
Beginning balance at original discount rate298.4 246.8 258.1 
Effect of changes in cash flow assumptions(5.9)(5.1)(0.3)
Effect of actual variances from expected experience19.9 17.1 5.6 
Adjusted beginning of year balance312.4258.8263.4
Issuances34.423.517.8
Interest accretion11.49.48.4
Net premiums collected(28.5)(23.0)(22.2)
Foreign currency(15.5)29.7(20.6)
Ending balance at original discount rate314.2298.4246.8
Effect of change in discount rate assumptions(38.1)(28.1)(49.7)
Balance, end of period$276.1$270.3$197.1
Present Value of Expected Future Policy Benefits
Balance, beginning of year$2,527.4$2,231.4$3,181.8
Beginning balance at original discount rate2,687.1 2,495.5 2,703.8 
Effect of changes in cash flow assumptions0.1 17.7 (20.1)
Effect of actual variances from expected experience(20.5)1.3 46.3 
Adjusted beginning of year balance2,666.72,514.52,730.0
Issuances1
379.0335.2327.7
Interest accretion67.963.564.9
Benefit payments(409.3)(388.3)(346.7)
Foreign currency(62.8)162.2(280.4)
Ending balance at original discount rate2,641.52,687.12,495.5
Effect of change in discount rate assumptions(249.9)(159.7)(264.1)
Balance, end of period$2,391.6$2,527.4$2,231.4
Net liability for future policy benefits$2,115.5$2,257.1$2,034.3
Other40.7 36.1 28.9 
Total liability for future policy benefits2,156.2 2,293.2 2,063.2 
Less: Reinsurance recoverable related to future policy benefits67.9 78.7 70.3 
Net liability for future policy benefits, after reinsurance recoverable$2,088.3$2,214.5$1,992.9
1Issuances for Unum International primarily represent new claim incurrals.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Unum International segment presented in the rollforward activity above.
Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$957.1$849.0$786.8
Interest accretion$56.5$54.1$56.5

December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$4,258.2 $4,261.1 $3,905.4 
Expected future gross premiums$1,295.7 $1,196.6 $943.9 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$823.4 $778.6 $626.2 
Weighted average interest rate:
Interest accretion rate4.1 %4.0 %4.0 %
Current discount rate5.1 %4.6 %5.0 %
Weighted average duration of the liability8.8 years8.6 years8.6 years
Colonial Life Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Colonial Life segment.

December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$3,592.6$3,745.4$4,597.0
Beginning balance at original discount rate3,754.3 4,046.4 4,158.9 
Effect of changes in cash flow assumptions(7.9)(322.7)(32.3)
Effect of actual variances from expected experience(57.3)(53.5)(145.6)
Adjusted beginning of year balance3,689.13,670.23,981.0
Issuances555.9544.9554.9
Interest accretion132.8122.7129.7
Net premiums collected(584.0)(583.5)(619.2)
Ending balance at original discount rate3,793.83,754.34,046.4
Effect of change in discount rate assumptions(240.5)(161.7)(301.0)
Balance, end of period$3,553.3$3,592.6$3,745.4
Present Value of Expected Future Policy Benefits
Balance, beginning of year$5,566.0$5,581.1$7,054.8
Beginning balance at original discount rate5,925.2 6,163.9 6,201.5 
Effect of changes in cash flow assumptions(52.7)(402.9)(85.9)
Effect of actual variances from expected experience(92.2)(52.0)(191.3)
Adjusted beginning of year balance5,780.35,709.05,924.3
Issuances610.8605.9628.5
Interest accretion224.4211.3217.0
Benefit payments(589.3)(601.0)(605.9)
Ending balance at original discount rate6,026.25,925.26,163.9
Effect of change in discount rate assumptions(591.3)(359.2)(582.8)
Balance, end of period$5,434.9$5,566.0$5,581.1
Net liability for future policy benefits$1,881.6$1,973.4$1,835.7
Other22.6 24.4 22.7 
Total liability for future policy benefits1,904.2 1,997.8 1,858.4 
Less: Reinsurance recoverable related to future policy benefits0.9 1.8 1.1 
Net liability for future policy benefits, after reinsurance recoverable$1,903.3$1,996.0$1,857.3
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Colonial Life segment presented in the rollforward activity above.

Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$1,718.9$1,658.6$1,635.8
Interest accretion$91.6$88.6$87.3

December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$10,409.4 $9,796.7 $10,011.9 
Expected future gross premiums$12,618.4 $11,903.1 $12,221.3 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$9,049.4 $8,702.2 $8,966.3 
Weighted average interest rate:
Interest accretion rate4.4 %4.3 %4.3 %
Current discount rate5.5 %4.8 %5.2 %
Weighted average duration of the liability17.3 years17.0 years17.5 years
Closed Block Segment

The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Closed Block segment.

December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $8,123.5$—$8,123.5
Beginning balance at original discount rate7,703.6—7,703.6
Effect of changes in cash flow assumptions145.5—145.5
Effect of actual variances from expected experience(41.2)—(41.2)
Adjusted beginning of year balance7,807.9—7,807.9
Interest accretion401.8—401.8
Net premiums collected(616.8)—(616.8)
Ending balance at original discount rate7,592.9—7,592.9
Effect of change in discount rate assumptions65.6—65.6
Balance, end of period$7,658.5$—$7,658.5
Present Value of Expected Future Policy Benefits
Balance, beginning of year $24,697.7$7,880.0$32,577.7
Beginning balance at original discount rate22,649.38,094.630,743.9
Effect of changes in cash flow assumptions(4.1)5.41.3
Effect of actual variances from expected experience68.317.485.7
Adjusted beginning of year balance22,713.58,117.430,830.9
Issuances1
—101.2101.2
Interest accretion1,199.8345.21,545.0
Benefit payments(959.6)(972.8)(1,932.4)
Ending balance at original discount rate22,953.77,591.030,544.7
Effect of change in discount rate assumptions(28.5)(452.6)(481.1)
Balance, end of period$22,925.2$7,138.4$30,063.6
Net liability for future policy benefits$15,266.7$7,138.4$22,405.1
Other2
1.71,496.31,498.0
Total liability for future policy benefits15,268.48,634.723,903.1
Less: Reinsurance recoverable related to future policy benefits4.26,771.76,775.9
Net liability for future policy benefits, after reinsurance recoverable$15,264.2$1,863.0$17,127.2
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $6,412.6$—$6,412.6
Beginning balance at original discount rate6,236.1—6,236.1
Effect of changes in cash flow assumptions1,641.3—1,641.3
Effect of actual variances from expected experience44.1—44.1
Adjusted beginning of year balance7,921.5—7,921.5
Interest accretion374.7—374.7
Net premiums collected(592.6)—(592.6)
Ending balance at original discount rate7,703.6—7,703.6
Effect of change in discount rate assumptions419.9—419.9
Balance, end of period$8,123.5$—$8,123.5
Present Value of Expected Future Policy Benefits
Balance, beginning of year$21,199.9$8,218.8$29,418.7
Beginning balance at original discount rate20,221.68,630.728,852.3
Effect of changes in cash flow assumptions2,009.4—2,009.4
Effect of actual variances from expected experience113.14.0117.1
Adjusted beginning of year balance22,344.18,634.730,978.8
Issuances1
—123.4123.4
Interest accretion1,151.4358.91,510.3
Benefit payments(846.2)(1,022.4)(1,868.6)
Ending balance at original discount rate22,649.38,094.630,743.9
Effect of change in discount rate assumptions2,048.4(214.6)1,833.8
Balance, end of period$24,697.7$7,880.0$32,577.7
Net liability for future policy benefits$16,574.2$7,880.0$24,454.2
Other2
23.11,638.11,661.2
Total liability for future policy benefits16,597.39,518.126,115.4
Less: Reinsurance recoverable related to future policy benefits4.57,462.47,466.9
Net liability for future policy benefits, after reinsurance recoverable$16,592.8$2,055.7$18,648.5
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $8,404.7$—$8,404.7
Beginning balance at original discount rate6,457.3—6,457.3
Effect of changes in cash flow assumptions27.8—27.8
Effect of actual variances from expected experience(33.5)—(33.5)
Adjusted beginning of year balance6,451.6—6,451.6
Interest accretion349.0—349.0
Net premiums collected(564.5)—(564.5)
Ending balance at original discount rate6,236.1—6,236.1
Effect of change in discount rate assumptions176.5—176.5
Balance, end of period$6,412.6$—$6,412.6
Present Value of Expected Future Policy Benefits
Balance, beginning of year$30,089.6$10,414.4$40,504.0
Beginning balance at original discount rate19,870.88,949.428,820.2
Effect of changes in cash flow assumptions24.9216.9241.8
Effect of actual variances from expected experience(36.2)30.7(5.5)
Adjusted beginning of year balance19,859.59,197.029,056.5
Issuances1
—154.5154.5
Interest accretion1,105.1372.81,477.9
Benefit payments(743.0)(1,093.6)(1,836.6)
Ending balance at original discount rate20,221.68,630.728,852.3
Effect of change in discount rate assumptions978.3(411.9)566.4
Balance, end of period$21,199.9$8,218.8$29,418.7
Net liability for future policy benefits$14,787.3$8,218.8$23,006.1
Other2
24.31,737.01,761.3
Total liability for future policy benefits14,811.69,955.824,767.4
Less: Reinsurance recoverable related to future policy benefits5.77,799.87,805.5
Net liability for future policy benefits, after reinsurance recoverable$14,805.9$2,156.0$16,961.9
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Closed Block segment presented in the rollforward activity above.
Year Ended December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$696.2$188.2$884.4
Interest accretion$798.0$345.2$1,143.2

Year Ended December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$696.1$223.8$919.9
Interest accretion$776.7 $358.9$1,135.6

Year Ended December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$697.5$250.0$947.5
Interest accretion$756.1 $372.8$1,128.9
December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$60,051.5 $11,093.7$71,145.2 
Expected future gross premiums$13,767.1 $—$13,767.1 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$8,029.1 $—$8,029.1 
Weighted average interest rate:
Interest accretion rate5.6 %4.6 %5.3 %
Current discount rate5.6 %5.4 %5.5 %
Weighted average duration of the liability15.7 years7.2 years12.9 years

December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$61,447.7 $11,893.7$73,341.4 
Expected future gross premiums$14,486.4 $—$14,486.4 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$8,241.7 $—$8,241.7 
Weighted average interest rate:
Interest accretion rate5.6 %4.6 %5.2 %
Current discount rate5.0 %4.9 %4.9 %
Weighted average duration of the liability16.4 years7.3 years13.2 years
December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$52,544.0 $12,749.0$65,293.0 
Expected future gross premiums$12,629.9 $—$12,629.9 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$7,333.5 $—$7,333.5 
Weighted average interest rate:
Interest accretion rate5.5 %4.6 %5.2 %
Current discount rate5.2 %5.1 %5.2 %
Weighted average duration of the liability15.5 years7.4 years12.4 years
Reconciliation

A reconciliation of the liability for future policy benefits reflected in the preceding rollforwards to the related liability balances in the consolidated balance sheets are as follows:

December 31
202420232022
(in millions of dollars)
Liability for future policy benefits
Unum US1
$8,617.7 $9,352.7 $9,668.7 
Unum International2,156.2 2,293.2 2,063.2 
Colonial Life1,904.2 1,997.8 1,858.4 
Closed Block1
23,903.1 26,115.4 24,767.4 
Other products1
225.2 250.3 219.4 
Total liability for future policy benefits$36,806.4 $40,009.4 $38,577.1 

1Unum US excludes the dental and vision product line and medical stop-loss products and Closed Block excludes our participating fund account, which represents policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual stock life insurance company. The liabilities associated with these products are included within Other products.
Policyholders' account balances primarily include our universal life and corporate-owned life insurance products. Policyholders' account balances reflect customer deposits and interest credited less cost of insurance, administration expenses, surrender charges, and customer withdrawals.

The following table presents the balances and changes in the policyholders' account balances:

December 31, 2024
Unum US - Voluntary BenefitsColonial LifeClosed Block - All Other Total
(in millions of dollars, except weighted average data)
Balance, beginning of year    $578.6 $852.9 $4,082.7 $5,514.2 
Premiums received53.7 79.5 26.5 159.7 
Policy charges1
(56.8)(71.9)(101.4)(230.1)
Surrenders and withdrawals(30.9)(38.0)(12.4)(81.3)
Benefit payments(6.0)(7.8)(245.1)(258.9)
Interest credited20.8 34.1 300.6 355.5 
Other9.4 0.2 1.3 10.9 
Balance, end of period568.8 849.0 4,052.2 5,470.0 
Reserves in excess of account balance106.913.543.3163.7 
Total policyholders' account balances675.7 862.5 4,095.5 5,633.7 
Less: Reinsurance recoverable related to policyholders' account balances0.8—4,095.54,096.3
Net policyholders' account balances, after reinsurance recoverable$674.9 $862.5 $— $1,537.4 
Weighted average crediting rate3.7%4.1%7.6%6.7%
Net amount at risk2
$4,132.2$8,201.1$1,725.0$14,058.3
Cash surrender value $559.0$819.8$4,031.3$5,410.1
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
December 31, 2023
Unum US - Voluntary BenefitsColonial LifeClosed Block - All OtherTotal
(in millions of dollars, except weighted average data)
Balance, beginning of year    $586.8$852.4$4,159.4$5,598.6 
Premiums received58.584.931.7175.1 
Policy charges1
(60.4)(74.7)(107.2)(242.3)
Surrenders and withdrawals(33.3)(36.8)(18.8)(88.9)
Benefit payments(9.7)(7.2)(216.2)(233.1)
Interest credited22.234.2322.1378.5 
Other14.50.1(88.3)(73.7)
Balance, end of period578.6 852.9 4,082.7 5,514.2 
Reserves in excess of account balance99.516.937.1153.5 
Total policyholders' account balances678.1 869.8 4,119.8 5,667.7 
Less: Reinsurance recoverable related to policyholders' account balances0.9—4,119.84,120.7
Net policyholders' account balances, after reinsurance recoverable$677.2$869.8$—$1,547.0
Weighted average crediting rate3.9%4.1%8.0%7.0%
Net amount at risk2
$4,495.6$8,760.1$1,824.3$15,080.0 
Cash surrender value $566.9$813.5$4,062.3$5,442.7 
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
December 31, 2022
Unum US - Voluntary BenefitsColonial LifeClosed Block - All OtherTotal
(in millions of dollars, except weighted average data)
Balance, beginning of year    $598.7$849.2$4,231.7$5,679.6 
Premiums received64.590.932.2187.6 
Policy charges1
(64.5)(78.0)(105.5)(248.0)
Surrenders and withdrawals(32.9)(36.2)(21.3)(90.4)
Benefit payments(10.7)(8.0)(292.8)(311.5)
Interest credited23.534.2311.5369.2 
Other8.20.33.612.1 
Balance, end of period586.8 852.4 4,159.4 5,598.6 
Reserves in excess of account balance92.916.732.0141.6 
Total policyholders' account balances679.7 869.1 4,191.4 5,740.2 
Less: Reinsurance recoverable related to policyholders' account balances1.10.24,191.44,192.7
Net policyholders' account balances, after reinsurance recoverable$678.6$868.9$—$1,547.5
Weighted average crediting rate4.0%4.1%7.6%6.7%
Net amount at risk2
$4,908.0$9,338.5$1,931.6$16,178.1 
Cash surrender value $583.3$800.9$4,045.9$5,430.1 
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
The balance of the account values by range of guaranteed minimum crediting rates and the related range of difference, in basis points, between rates being credited to policyholders and the respective guaranteed minimums is as follows.

December 31, 2024
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$89.3$—$—$—$89.3
4.00% - 4.99%
218.5195.035.1—448.6
5.00% - 6.00%
30.9———30.9
338.7195.035.1—568.8
Colonial Life
4.00% - 5.00%
842.76.3——849.0
Closed Block - All Other
3.00% - 5.99%
1,280.2226.625.4— 1,532.2
6.00% - 8.99%
26.0——— 26.0
9.00% - 11.99%
1,274.81,157.4—— 2,432.2
12.00% - 15.00%
—61.8—— 61.8
2,581.01,445.825.4—4,052.2
Total$3,762.4$1,647.1$60.5$—$5,470.0
December 31, 2023
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$91.9$—$—$—$91.9
4.00% - 4.99%
227.1190.137.7—454.9
5.00% - 6.00%
31.8———31.8
350.8190.137.7—578.6
Colonial Life
4.00% - 5.00%
846.76.2——852.9
Closed Block - All Other
3.00% - 5.99%
526.81,081.830.7— 1,639.3
6.00% - 8.99%
1.331.0—— 32.3
9.00% - 11.99%
318.42,036.5—— 2,354.9
12.00% - 15.00%
—56.2—— 56.2
846.53,205.530.7—4,082.7
Total$2,044.0$3,401.8$68.4$—$5,514.2
December 31, 2022
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$94.4$—$—$—$94.4
4.00% - 4.99%
274.5183.9——458.4
5.00% - 6.00%
34.0———34.0
402.9183.9——586.8
Colonial Life
4.00% - 5.00%
846.46.0——852.4
Closed Block - All Other
3.00% - 5.99%
1,661.729.16.4— 1,697.2
6.00% - 8.99%
31.4——— 31.4
9.00% - 11.99%
2,378.2——— 2,378.2
12.00% - 15.00%
52.6——— 52.6
4,123.929.16.4—4,159.4
Total$5,373.2$219.0$6.4$—$5,598.6
Deferred Policy Acquisition Costs by Segment
The following tables display the changes in DAC throughout the year:

December 31, 2024
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,232.2$46.9$1,435.4$2,714.5
Capitalization320.917.8312.8651.5
Amortization expense(292.5)(9.5)(219.0)(521.0)
Foreign currency—(2.2)—(2.2)
Balance, end of year
$1,260.6$53.0$1,529.2$2,842.8

December 31, 2023
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,185.1$37.0$1,337.9$2,560.0
Capitalization314.714.6302.9632.2
Amortization expense(267.6)(8.4)(205.4)(481.4)
Foreign currency—3.7—3.7
Balance, end of year
$1,232.2$46.9$1,435.4$2,714.5

December 31, 2022
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,152.9$36.4$1,238.1$2,427.4
Capitalization273.112.0271.8556.9
Amortization expense(240.9)(8.2)(172.0)(421.1)
Foreign currency—(3.2)—(3.2)
Balance, end of year
$1,185.1$37.0$1,337.9$2,560.0

December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$63.6$48.9$610.6$497.8$11.3$1,232.2
Capitalization62.240.6120.283.414.5320.9
Amortization expense (64.7)(38.4)(116.5)(60.0)(12.9)(292.5)
Balance, end of year
$61.1$51.1$614.3$521.2$12.9$1,260.6
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$61.0$49.3$601.0$464.4$9.4$1,185.1
Capitalization60.2 38.6115.887.412.7314.7
Amortization expense(57.6)(39.0)(106.2)(54.0)(10.8)(267.6)
Balance, end of year
$63.6$48.9$610.6$497.8$11.3$1,232.2

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$60.9$53.9$588.6$441.8$7.7$1,152.9
Capitalization53.137.3100.072.010.7273.1
Amortization expense (53.0)(41.9)(87.6)(49.4)(9.0)(240.9)
Balance, end of year
$61.0$49.3$601.0$464.4$9.4$1,185.1

During the third quarters of 2024 and 2023, we updated our policyholder lapse and mortality assumptions used to develop the future amortization for DAC for the Unum US voluntary benefits product line and the Colonial Life segment. During the third quarter of 2022, we updated our policyholder lapse and mortality assumptions used to develop the future amortization for DAC for the Unum US individual disability and voluntary benefits product lines as well as for the Colonial Life segment. These assumption updates were consistent with the related assumption updates for the liability for future policy benefits.
XML 38 R16.htm IDEA: XBRL DOCUMENT v3.25.0.1
Income Tax
 12 Months Ended
Dec. 31, 2024
Income Tax Disclosure [Abstract]  
Income Tax Disclosure
Total income tax expense (benefit) is allocated as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Net Income$472.2 $356.3 $342.8 
Stockholders' Equity - Accumulated Other Comprehensive Income (Loss)
Change in Net Unrealized Gain (Loss) on Securities
(226.6)300.6 (1,890.8)
Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy and Contract Benefits, Net of Reinsurance
488.9 (256.5)2,385.1 
Change in Net Gain (Loss) on Derivatives
(51.5)(17.0)(19.2)
Change in Foreign Currency Translation Adjustment1.1 0.9 (0.1)
Change in Unrecognized Pension and Postretirement Benefit Costs12.0 (2.7)18.9 
Total$696.1 $381.6 $836.7 

A reconciliation of the income tax provision at the U.S. federal statutory rate to the income tax rate as reported in our consolidated statements of income is as follows:
Year Ended December 31
202420232022
Statutory Income Tax21.0 %21.0 %21.0 %
Policyholder Reserves0.3 (0.6)(1.7)
Other Items, Net(0.3)1.3 0.3 
Effective Tax21.0 %21.7 %19.6 %
Our net deferred tax asset consists of the following. Certain prior year amounts have been reclassified to conform to current presentation.

December 31
20242023
(in millions of dollars)
Deferred Tax Asset
Invested Assets$593.2 $354.5 
Reserves
— 462.6 
Employee Benefits
146.3 161.9 
Other
36.8 35.8 
Gross Deferred Tax Asset776.3 1,014.8 
Less: Valuation Allowance
12.1 11.0 
Net Deferred Tax Asset764.2 1,003.8 
Deferred Tax Liability
Deferred Acquisition Costs
167.0 175.1 
Reserves85.9 — 
Cost of Reinsurance
110.4 119.7 
Other
62.2 86.6 
Gross Deferred Tax Liability425.5 381.4 
Net Deferred Tax Asset
$338.7 $622.4 
Our consolidated statements of income include amounts subject to both domestic and foreign taxation. The income and related tax expense (benefit) are as follows:

Year Ended December 31
202420232022
(in millions of dollars)
Income Before Tax
   Domestic$2,129.5 $1,506.2 $1,596.8 
   Foreign121.8 133.9 153.2 
   Total$2,251.3 $1,640.1 $1,750.0 
Current Tax Expense (Benefit)
   Federal$393.1 $440.4 $306.5 
   State and Local(8.5)(2.5)12.7 
   Foreign47.5 14.1 154.3 
   Total432.1 452.0 473.5 
Deferred Tax Expense (Benefit)
   Federal59.8 (106.2)42.7 
   State and Local(0.6)(1.5)1.1 
   Foreign(19.1)12.0 (174.5)
   Total40.1 (95.7)(130.7)
Total Tax Expense$472.2 $356.3 $342.8 

On June 10, 2021, the Finance Act 2021 was enacted, resulting in a U.K. tax increase from 19 percent to 25 percent, effective April 1, 2023.

As of December 31, 2024, our plans for future repatriations of cash from our foreign subsidiaries can include no more than the amount of capital above that which is required by foreign regulatory capital requirements.  The remainder of our investment in our foreign subsidiaries is indefinitely reinvested.

Our consolidated statements of income include the following changes in unrecognized tax benefits.

December 31
202420232022
(in millions of dollars)
Balance at Beginning of Year$156.7 $177.4 $198.8 
Decreases for Tax Positions Related to Prior Years(20.7)(20.7)(21.0)
Lapse of the Applicable Statute of Limitations— — (0.4)
Balance at End of Year136.0 156.7 177.4 
Less Tax Attributable to Temporary Items Included Above(21.2)(42.4)(63.5)
Total Unrecognized Tax Benefits That if Recognized Would Affect the Effective Tax Rate$114.8 $114.3 $113.9 
In 2018, we recorded $261.1 million gross unrecognized tax benefits for a policyholder reserves position taken on our 2017 federal tax return, which if recognized, would decrease our tax expense by $112.9 million. The balances of unrecognized tax benefits for which the ultimate deductibility is highly certain but for which there is uncertainty about the timing of such deductibility are $21.2 million at December 31, 2024, $42.4 million at December 31, 2023, and $63.5 million at December 31, 2022. It is reasonably possible that this item could reverse in the next 12 months following review by the IRS. We recognize interest expense and penalties, if applicable, related to unrecognized tax benefits in tax expense. We recognized $13.2 million, $12.2 million, and $7.8 million of interest expense related to unrecognized tax benefits during 2024, 2023, and 2022, respectively. The liability for net interest expense on uncertain tax positions was approximately $59.4 million, $46.2 million, and $34.0 million as of December 31, 2024, 2023, and 2022, respectively.

We file federal and state income tax returns in the United States and in foreign jurisdictions. Tax year 2017 and tax years subsequent to 2018 remain subject to examination by the IRS. All major foreign jurisdictions remain subject to examination for tax years subsequent to 2022 with the exception of Poland for which tax years subsequent to 2018 remain subject to examination. We believe sufficient provision has been made for all potential adjustments for years that are not closed by the statute of limitations in all major tax jurisdictions and that any such adjustments would not have a material adverse effect on our financial position, liquidity, or results of operations.

We file state income tax returns in nearly every state in the United States. Tax years subsequent to 2019 remain subject to examination depending on the statute of limitation established by the various states, which is generally three to four years.

As of December 31, 2024, we have no federal net operating loss or capital loss carryforwards. We have net operating loss carryforwards for state and local income tax of approximately $182.9 million, most of which is expected to expire unused between 2025 and 2044.

We record valuation allowances to reduce deferred tax assets to the amount that is more likely than not to be realized.  Our valuation allowance was $12.1 million and $11.0 million at December 31, 2024 and 2023, respectively, the majority of which related to our cumulative deferred state income tax benefits. The de minimis remaining amount of our valuation allowance relates to unrealized tax losses on buildings which we own and occupy in the U.K. We recorded an increase in our valuation allowance of $1.1 million during 2024 and $0.7 million in 2023, primarily in other comprehensive income.

Total income taxes paid during 2024, 2023, and 2022 were $376.0 million, $446.0 million, and $375.0 million respectively.
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Debt
 12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Debt
Debt consists of the following:

December 31
20242023
Interest RatesMaturities(in millions of dollars)
Long-term Debt
Outstanding Principal
   Senior Notes issued 19986.750 - 7.250%2028$335.8 $335.8 
   Senior Notes issued 20027.375%203239.5 39.5 
   Senior Notes issued 2012 and 20165.750%2042500.0 500.0 
Senior Notes issued 20153.875%2025— 275.0 
   Senior Notes issued 20194.000%2029400.0 400.0 
   Senior Notes issued 20194.500%2049450.0 450.0 
   Senior Notes issued 20214.125%2051600.0 600.0 
   Senior Notes issued 20244.046%2041400.0 — 
   Senior Notes issued 20246.000%2054400.0 — 
   Medium-term Notes issued 1990 - 19967.190%202818.5 18.5 
   Junior Subordinated Debt Securities issued 19987.405%2038189.7 189.7 
   Junior Subordinated Debt Securities issued 20186.250%2058300.0 300.0 
Term Loan issued 2022Variable2027— 350.0 
Unamortized Net Premium (Discount)
(131.3)2.5 
Unamortized Debt Issuance Costs(37.0)(30.6)
Total Long-term Debt$3,465.2 $3,430.4 
Short-term Debt
Outstanding Principal
   Senior Notes issued 20153.875%2025275.0 — 
   Unamortized Net Discount
(0.2)— 
   Unamortized Debt Issuance Costs
(0.2)— 
Total Short-term Debt274.6 — 
Total Debt$3,739.8 $3,430.4 

Debt is comprised of our unsecured notes, which consist of our senior notes and medium-term notes, and rank highest in priority, followed by our junior subordinated debt securities. The senior notes are callable and may be redeemed, in whole or in part, at any time. The medium-term notes are non-callable and the junior subordinated debt securities are callable under limited, specified circumstances.

The aggregate contractual principal maturities are $275.0 million in 2025, $354.3 million in 2028, $400.0 million in 2029 and $2,879.2 million thereafter.

Interest paid on long-term and short-term debt during 2024, 2023, and 2022 was $190.4 million, $183.6 million, and $172.9 million, respectively.
Unsecured Notes

In June 2024, we issued $400.0 million of 6.000% senior notes due 2054.

In August 2022, we redeemed $350.0 million aggregate principal amount of our 4.000% senior notes due 2024, for which we incurred costs of $3.0 million

There are no significant financial covenants associated with our unsecured notes.

Term Loan Facility

In August 2022, we entered into a five-year $350.0 million senior unsecured delayed draw term loan facility with a syndicate of lenders. Also in August 2022, we drew the entire amount of the term loan facility, which was scheduled to mature in August 2027 and was callable and could be redeemed at par at any time. Amounts due under the term loan facility incurred interest based on the prime rate, the federal funds rate, or the Secured Overnight Financing Rate (SOFR). The proceeds from the term loan facility were used to redeem $350.0 million aggregate principal amount of our 4.000% senior notes due 2024. In June 2024 in tandem with the issuance of our 6.000% senior notes, the aggregate principal amount of outstanding indebtedness under our senior unsecured delayed draw term loan facility was repaid, and subsequently terminated.

Prior to the termination of our term loan facility, the borrowings on the facility were subject to financial covenants, negative covenants, and events of default that are customary. The two primary financial covenants included limitations based on our leverage ratio and consolidated net worth, but we were also subjected to covenants that limit subsidiary indebtedness.

Junior Subordinated Debt Securities

In 1998, Provident Financing Trust I (the Trust), a 100 percent-owned finance subsidiary of Unum Group, issued $300.0 million of 7.405% capital securities due 2038 in a public offering. These capital securities are fully and unconditionally guaranteed by Unum Group, have a liquidation value of $1,000 per capital security, and have a mandatory redemption feature under certain circumstances. In connection with the capital securities offering, Unum Group issued to the Trust 7.405% junior subordinated deferrable interest debentures due 2038. The Trust is a variable interest entity of which Unum Group is not the primary beneficiary. Accordingly, the capital securities issued by the Trust are not included in our consolidated financial statements and our liability represents the junior subordinated debt securities owed to the trust which is recorded in long-term debt. The sole assets of the Trust are the junior subordinated debt securities. The retirement of any liquidation amount regarding the capital securities by the Trust results in a corresponding retirement of principal amount of the junior subordinated debt securities.

In September 2022, pursuant to privately negotiated transactions, we purchased, and the Trust retired, $14.0 million aggregate liquidation amount of the Trust's 7.405% capital securities due 2038, which resulted in the reduction of a corresponding principal amount of our 7.405% junior subordinated debt securities due 2038 then held by the Trust. We incurred costs of $1.2 million related to the early retirement of the junior subordinated debt securities.

P-Caps Trust and Notes Issuance

During November 2021, we entered into a 20-year facility agreement with a Delaware statutory trust (the P-Caps Trust), in connection with the sale by the P-Caps Trust of $400.0 million of pre-capitalized trust securities (P-Caps) in a Rule 144A private placement. The P-Caps Trust invested the proceeds from the sale of the P-Caps in a portfolio of principal and interest strips of U.S. Treasury securities (the Trust Assets). The facility agreement gave us the right to issue and require the P-Caps Trust to purchase, on one or more occasions, up to $400.0 million of our 4.046% senior notes due 2041 (the 2041 Senior Notes) in exchange for the Trust Assets. Under the facility agreement, we agreed to pay a semi-annual facility fee to the P-Caps Trust at a rate of 2.225% per year on the unexercised portion of the maximum amount of 2041 senior notes that we could issue and sell to the P-Caps Trust and to reimburse the P-Caps Trust for its expenses.
In October 2024, we exercised our issuance right in full under the facility agreement and issued $400.0 million of the 2041 Senior Notes to the P-Caps Trust in exchange for the Trust Assets, thereby triggering our recognition of the 2041 Senior Notes on our consolidated balance sheets. The Trust Assets had a fair value of $273.5 million when the 2041 Senior Notes were issued. We directed the trustee of the P-Caps Trust to dissolve the P-Caps Trust and to deliver the 2041 Senior Notes to the beneficial holders of the P-Caps pro rata in respect of each P-Cap which was a non-cash financing transaction. The 2041 Senior Notes are callable at or above par and rank equally in the right of payment with all of our other unsecured and unsubordinated debt. The net proceeds from the issuance of the 2041 Senior Notes and subsequent sale of the Trust Assets were used for share repurchases.

Credit Facilities

In April 2022, we amended and restated our existing credit agreement providing for a five-year $500.0 million senior unsecured revolving credit facility with a syndicate of lenders. The credit facility, which was previously set to expire in April 2024, was extended through April 2027. We may request that the lenders’ aggregate commitments of $500.0 million under the facility be increased by up to an additional $200.0 million. Certain of our traditional U.S. life insurance subsidiaries, Unum Life Insurance Company of America (Unum America), Provident Life and Accident Insurance Company (Provident), and Colonial Life & Accident Insurance Company, joined the agreement and may borrow under the credit facility, and we can elect to add additional insurance subsidiaries to the facility at any later date. Any obligation of a subsidiary under the credit facility is several only and not joint and is subject to an unconditional guarantee by Unum Group. We may also request, on up to two occasions, that the lenders' commitment termination dates be extended by one year. The credit facility also provides for the issuance of letters of credit subject to certain terms and limitations. The credit facility provides for borrowings at an interest rate based on the prime rate, the federal funds rate or the SOFR. At December 31, 2024, there were no borrowed amounts outstanding under the credit facility and letters of credit totaling $0.4 million had been issued.

We have a five-year, £75.0 million senior unsecured standby letter of credit facility with a different syndicate of lenders, pursuant to which a syndicated letter of credit was issued in favor of Unum Limited (as beneficiary), our U.K. insurance subsidiary, and is available for drawings up to £75 million until its scheduled expiration in July 2026. The credit facility provides for borrowings at an interest rate based on the prime rate or the federal funds rate.

We have an additional five-year, £75.0 million senior unsecured standby letter of credit facility pursuant to which a standby letter of credit was issued in favor of Unum Limited (as beneficiary), our U.K. insurance subsidiary, and is available for drawings up to £75.0 million until its scheduled expiration in December 2028. In December 2023, as security for the senior standby letter of credit facility we had granted to the issuer of the standby letter of credit the right to exercise, if an event of default had occurred and was continuing, the issuance right under the facility agreement with the P-Caps Trust, up to a maximum of $200.0 million. In October 2024, prior to our exercise of the issuance right under the facility agreement with the P-Caps Trust, the assigned issuance right was forfeited in its entirety. The standby letter of credit facility provides for borrowings at an interest rate based on Sterling Overnight Index Average rate.

At December 31, 2024, there were no borrowed amounts outstanding under the standby letter of credit facilities or letters of credit. If drawings are made in the future, we may elect to borrow such amounts from the lenders pursuant to term loans made under the credit facilities.
Borrowings under the three credit facilities are subject to financial covenants, negative covenants, and events of default that are customary. The two primary financial covenants include limitations based on our leverage ratio and consolidated net worth. We are also subject to covenants that limit subsidiary indebtedness.
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Employee Benefit Plans
 12 Months Ended
Dec. 31, 2024
Retirement Benefits [Abstract]  
Pension and Other Postretirement Benefits Disclosure
Defined Benefit Pension and Other Postretirement Benefit (OPEB) Plans

We sponsor several defined benefit pension and OPEB plans for our employees, including non-qualified pension plans. The U.S. qualified and non-qualified defined benefit pension plans comprise the majority of our total benefit obligation and benefit cost. We maintain a separate defined benefit plan for eligible employees in our U.K. operation. The U.S. defined benefit pension plans were frozen and closed to new entrants on December 31, 2013, the OPEB plan was frozen and closed to new entrants on December 31, 2012, and the U.K. plan was frozen and closed to new entrants on December 31, 2002.

U.S. Pension Plan Annuity Purchase

In November 2023, we purchased a group annuity contract which transferred a portion of our U.S. qualified defined benefit pension plan obligation to a third party. Under the transaction, which was funded with plan assets, we transferred the responsibility for pension benefits and annuity administration for approximately 1,275 retirees or their beneficiaries receiving less than $700 in monthly benefit payments from the plan. This transfer resulted in a reduction in our U.S. qualified defined benefit pension plan obligation of approximately $72 million and is reflected in the Benefits and Expenses Paid line item within the following table regarding changes in our benefit obligation.

Amortization Period of Actuarial Gain or Loss and Prior Service Cost or Credit

Because all participants in the U.S., OPEB, and U.K. pension plans are considered inactive, we amortize the net actuarial gain or loss and prior service credit or cost for these plans over the average remaining life expectancy of the plans. As of December 31, 2024, the estimate of the average remaining life expectancy of the plans was approximately 23 years for the U.S., 12 years for the OPEB plan, and 28 years for the U.K. plan. Prior to 2024, we amortized the net actuarial gain or loss and prior service credit or cost for the OPEB plan over the average remaining future working lifetime for active participants in the plan.
The following table provides the changes in the benefit obligation and fair value of plan assets and the funded status of the plans.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Change in Benefit Obligation
Benefit Obligation at Beginning of Year$1,575.3 $1,585.5 $172.3 $157.9 $79.0 $83.9 
Service Cost9.2 9.2 — — — — 
Interest Cost82.9 87.9 7.6 7.7 4.0 4.5 
Plan Participant Contributions— — — — 0.1 0.1 
Actuarial Loss (Gain) (1)
(57.7)61.0 (19.3)3.8 (1.5)(0.5)
Benefits and Expenses Paid(91.1)(168.3)(5.9)(5.7)(8.8)(9.0)
Change in Foreign Exchange Rates— — (2.6)8.6 — — 
Benefit Obligation at End of Year $1,518.6 $1,575.3 $152.1 $172.3 $72.8 $79.0 
Accumulated Benefit Obligation at December 31$1,518.6 $1,575.3 $152.1 $172.3 N/AN/A
Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year$1,295.9 $1,308.3 $145.4 $140.5 $8.2 $8.5 
Actual Return on Plan Assets27.1 145.6 (12.1)3.1 0.1 — 
Employer Contributions9.7 10.3 — — 8.3 8.6 
Plan Participant Contributions— — — — 0.1 0.1 
Benefits and Expenses Paid(91.1)(168.3)(5.9)(5.7)(8.8)(9.0)
Change in Foreign Exchange Rates— — (2.1)7.5 — — 
Fair Value of Plan Assets at End of Year$1,241.6 $1,295.9 $125.3 $145.4 $7.9 $8.2 
Underfunded Status
$277.0 $279.4 $26.8 $26.9 $64.9 $70.8 

(1) The actuarial gains recognized in 2024 for the U.S., U.K., and OPEB plans were driven by increases in the discount rate assumption. The actuarial losses recognized in 2023 for the U.S. and U.K. plans were driven by decreases in the discount rate assumption. Also contributing to the actuarial loss for the U.K. plan in 2023 was unfavorable plan experience resulting from a higher than expected rate of inflation. The actuarial gain recognized in 2023 for the OPEB plan was driven by favorable plan experience, mostly offset by a decrease in the discount rate assumption.
The amounts recognized in our consolidated balance sheets for our pension and OPEB plans at December 31, 2024 and 2023 are as follows.

 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Current Liability$9.4 $9.1 $— $— $0.7 $0.7 
Noncurrent Liability267.6 270.3 26.8 26.9 64.2 70.1 
Underfunded Status
$277.0 $279.4 $26.8 $26.9 $64.9 $70.8 
Unrecognized Pension and Postretirement Benefit Costs
   Net Actuarial Gain (Loss)$(496.0)$(510.2)$(91.7)$(95.0)$21.2 $21.2 
   Prior Service Credit (Cost)(0.5)(0.6)(0.2)(0.2)2.1 2.3 
(496.5)(510.8)(91.9)(95.2)23.3 23.5 
   Income Tax200.1 211.2 21.4 22.2 3.4 3.4 
Total Included in Accumulated Other Comprehensive Income (Loss)$(296.4)$(299.6)$(70.5)$(73.0)$26.7 $26.9 

The following table provides the changes recognized in other comprehensive income for the years ended December 31, 2024 and 2023.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Accumulated Other Comprehensive Income (Loss) at Beginning of Year$(299.6)$(304.9)$(73.0)$(64.4)$26.9 $35.2 
Net Actuarial Gain (Loss)
Amortization14.6 15.2 2.9 2.5 (1.1)(10.5)
All Other Changes(0.4)(7.6)0.4 (13.8)1.1 0.1 
Prior Service Credit (Cost)
Amortization0.1 — — — (0.2)(0.2)
Change in Income Tax(11.1)(2.3)(0.8)2.7 — 2.3 
Accumulated Other Comprehensive Income (Loss) at End of Year$(296.4)$(299.6)$(70.5)$(73.0)$26.7 $26.9 

Plan Assets

The objective of our U.S. pension and OPEB plans is to maximize long-term return, within acceptable risk levels, in a manner that is consistent with the fiduciary standards of the Employee Retirement Income Security Act (ERISA), while maintaining sufficient liquidity to pay current benefits and expenses.
 
Our U.S. qualified defined benefit pension plan assets include a diversified blend of domestic, international, global, and emerging market equity securities, fixed income securities, opportunistic credit securities, real estate investments, alternative investments, and cash equivalents.  Equity securities are comprised of funds and individual securities that are benchmarked against the respective indices specified below. International and global equity funds may allocate a certain percentage of assets to forward currency contracts. Fixed income securities include funds and U.S. government and agency asset-backed securities, treasury futures contracts, corporate investment-grade bonds, private placement securities, and bonds issued by states or other
municipalities. Opportunistic credits consist of investments in funds that hold varied fixed income investments purchased at depressed values with the intention to later sell those investments for a gain. Real estate investments consist primarily of funds that hold commercial real estate investments. Alternative investments, which include private equity direct investments and private equity funds of funds, utilize proprietary strategies that are intended to have a low correlation to the U.S. stock market. Prohibited investments include, but are not limited to, unlisted securities, options, short sales, and investments in securities issued by Unum Group or its affiliates. We target approximately 38 percent to equity securities, 30 percent to fixed income securities, and 32 percent to opportunistic credits, alternative, and real estate investments. The invested asset classes, asset types, and benchmark indices for our U.S. qualified defined benefit pension plan is as follows.
Asset ClassAsset TypeBenchmark Indices
Equity SecuritiesCollective funds; Individual holdingsMorgan Stanley Capital International (MSCI) World Index
Fixed IncomeCollective funds; Individual holdingsBloomberg Barclays Long Corporate Index; Custom Index
Opportunistic CreditsCollective fundCustom Index
Real EstateCollective fundCustom Index
Alternative Investments (Private Equity)Fund of funds; Direct investmentsCustom Index

The investment strategy for our U.K. plan includes increasing the funded ratio in a risk-controlled manner where the risk taken in the investment strategy reduces as the funded status of the plan increases. Assets for our U.K. plan are invested in a portfolio of diversified growth assets as well as a portfolio of fixed income and index-linked securities. The portfolio of growth assets consists of funds invested primarily in global equity securities, investment-grade and below-investment-grade fixed interest securities, including emerging market securities as well as diversified alternatives. The portfolio of fixed interest and index-linked securities are invested primarily in leveraged interest rate and inflation-linked gilt funds of varying durations designed to broadly match the interest rate and inflation sensitivities of the plan's liabilities. At December 31, 2024, our portfolio allocation was approximately 58 percent to growth assets and 42 percent to fixed interest and index-linked securities as we target a specified return on our plan assets. When the funded status of the plan increases, the hedge ratio of interest rate and inflation risk will increase with the intention of reducing funding level volatility. There are no categories of investments that are specifically prohibited by the U.K. plan, but there are general guidelines that ensure prudent investment action is taken. Such guidelines include the prevention of the plan from using derivatives for speculative purposes and limiting the concentration of risk in any one type of investment.
 
Assets for the OPEB plan are invested in life insurance contracts issued by one of our insurance subsidiaries. The assets support life insurance benefits payable to certain former retirees covered under the OPEB plan. The terms of these contracts are consistent in all material respects with those the subsidiary offers to unaffiliated parties that are similarly situated. There are no categories of investments specifically prohibited by the OPEB plan.
 
We believe our investment portfolios are well diversified by asset class and sector, with no undue risk concentrations in any one category.
The categorization of fair value measurements by input level for the invested assets in our U.S. plans is shown below. The carrying values of investment-related receivables and payables approximate fair value due to the short-term nature of the securities and are not included in the following chart. Investments valued using NAV as a practical expedient are not required to be categorized by input level, but these investments are included as follows to reconcile to total invested assets.

 December 31, 2024
 Quoted Prices
in Active Markets
for Identical Assets (Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Equity Securities:
Global$52.5 $— $— $372.3 $424.8 
Fixed Income Securities:
U.S. Government and Agencies1
234.5 (16.1)— — 218.4 
Corporate— — — 124.1 124.1 
Non-U.S. Emerging Markets— — — 32.4 32.4 
Opportunistic Credits— — — 139.6 139.6 
Real Estate— — — 166.1 166.1 
Alternative Investments:
Private Equity Direct Investments— — — 63.1 63.1 
Private Equity Funds of Funds— — — 35.2 35.2 
Cash Equivalents17.2 — — — 17.2 
Total Invested Assets$304.2 $(16.1)$— $932.8 $1,220.9 
1 U.S. Government and Agencies Fixed Income Securities includes derivative liabilities.
 December 31, 2023
 Quoted Prices
in Active 
Markets for 
Identical Assets
(Level 1)		Significant 
Other
Observable
Inputs
(Level 2) 		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Equity Securities:
Global$55.0 $— $— $390.8 $445.8 
Fixed Income Securities:
U.S. Government and Agencies1
215.9 40.8 — — 256.7 
Corporate— — — 130.0 130.0 
Non-U.S. Emerging Markets— — — 27.9 27.9 
Opportunistic Credits— — — 150.6 150.6 
Real Estate— — — 162.8 162.8 
Alternative Investments:
Private Equity Direct Investments— — — 68.5 68.5 
Private Equity Funds of Funds— — — 40.7 40.7 
Cash Equivalents16.0 — — — 16.0 
Total Invested Assets$286.9 $40.8 $— $971.3 $1,299.0 
1 U.S. Government and Agencies Fixed Income Securities includes derivative assets.

Level 1 investments consist of individual holdings that are valued based on unadjusted quoted prices from active markets for identical securities. Level 2 investments consist of individual holdings that are valued using either directly or indirectly observable inputs other than quoted prices from active markets.

Certain equity, opportunistic credit, and fixed-income securities are valued based on the NAV of the underlying holdings as of the reporting date. We made no adjustments to the NAV for 2024 or 2023. These investments have no unfunded commitments and no specific redemption restrictions.

Alternative investments are valued based on NAV one quarter in arrears and our real estate investments are valued based on NAV one month in arrears. We evaluate the need for adjustments to the NAV based on market conditions and discussions with fund managers in the period subsequent to the valuation date and prior to issuance of the financial statements. We made no adjustments to the NAV for 2024 or 2023. The private equity direct investments and private equity funds of funds generally cannot be redeemed by investors. Distributions of capital from the sale of underlying fund assets may occur at any time, but are generally concentrated between five and eight years from the formation of the fund. At December 31, 2024 and 2023, these investments had unfunded commitments of $15.2 million and $17.5 million, respectively.
The categorization of fair value measurements by input level for the invested assets in our U.K. plan is shown below. Investments valued using NAV as a practical expedient are not required to be categorized by input level, but these investments are included as follows to reconcile to total invested assets.

 December 31, 2024
 Quoted Prices
in Active
Markets for Identical Assets (Level 1)		Significant 
Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Diversified Growth Assets$25.6 $— $9.8 $35.4 
Fixed Income and Index-linked Securities50.5 — — — 50.5 
Alternative Investments— — — 34.5 34.5 
Cash Equivalents5.3 — — — 5.3 
Total Invested Assets$81.4 $— $— $44.3 $125.7 

 December 31, 2023
 Quoted Prices
in Active 
Markets for 
Identical Assets
(Level 1)		Significant 
Other
Observable
Inputs
(Level 2) 		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient 		Total
(in millions of dollars)
Invested Assets
Diversified Growth Assets$28.1 $— $— $5.9 $34.0 
Fixed Income and Index-linked Securities75.3 — — — 75.3 
Alternative Investments— — — 34.8 34.8 
Cash Equivalents1.3 — — — 1.3 
Total Invested Assets$104.7 $— $— $40.7 $145.4 

The level 1 diversified growth assets and fixed interest and index-linked securities consist of individual funds that are valued based on unadjusted quoted prices from active markets for identical securities. Certain diversified growth assets were valued based on the NAV of the underlying holdings as of the reporting date. Alternative investments are valued based on NAV one quarter in arrears. We evaluate the need for adjustments to the NAV of the alternative investments based on an evaluation of cash flows in the period subsequent to the valuation date and prior to issuance of the financial statements. We made no adjustments to the NAV for 2024 or 2023. These investments generally cannot be redeemed by investors. These investments had unfunded commitments at December 31, 2024 and 2023 of $7.1 million and $9.9 million, respectively.
The categorization of fair value measurements by input level for the assets in our OPEB plan is as follows:

 December 31, 2024
 Quoted Prices
in Active Markets
for Identical Assets
(Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
(in millions of dollars)
Assets
Life Insurance Contracts$— $— $7.9 $7.9 

December 31, 2023
 Quoted Prices
in Active Markets
for Identical Assets
(Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
(in millions of dollars)
Assets
Life Insurance Contracts$— $— $8.2 $8.2 

The fair value is represented by the actuarial present value of future cash flows of the contracts.

Changes in our OPEB plan assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the years ended December 31, 2024 and 2023 are as follows:

 Year Ended December 31, 2024
 Beginning
of Year		Actual Return on Plan AssetsContributionsNet Benefits and Expenses PaidEnd of Year
 
(in millions of dollars)
Life Insurance Contracts$8.2 $0.1 $8.4 $(8.8)$7.9 

 Year Ended December 31, 2023
 Beginning
of Year		Actual Return on Plan AssetsContributionsNet Benefits and Expenses PaidEnd of Year
 
(in millions of dollars)
Life Insurance Contracts$8.5 $— $8.7 $(9.0)$8.2 

For the years ended December 31, 2024 and 2023, the actual return on plan assets relates solely to investments still held at the reporting date. There were no transfers into or out of Level 3 during 2024 or 2023.
Measurement Assumptions

We use a December 31 measurement date for each of our plans. The weighted average assumptions used in the measurement of our benefit obligations as of December 31 and our net periodic benefit costs for the years ended December 31 are as follows:

 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
Benefit Obligations
   Discount Rate5.80 %5.40 %5.50 %4.50 %5.80 %5.40 %
   Rate of Compensation IncreaseN/AN/A2.50 %2.40 %N/AN/A
Net Periodic Benefit Cost
   Discount Rate5.40 %5.70 %4.50 %4.80 %5.40 %5.70 %
   Expected Return on Plan Assets7.25 %7.25 %6.50 %6.70 %5.75 %5.75 %
   Rate of Compensation IncreaseN/AN/A2.40 %2.50 %N/AN/A

We set the discount rate assumption annually for each of our retirement-related benefit plans at the measurement date to reflect the yield on a portfolio of high quality fixed income corporate debt instruments matched against projected cash flows for future benefits.
 
Our long-term rate of return on plan assets assumption is selected from a range of probable return outcomes from an analysis of the asset portfolio.  Our expectations for the future investment returns of the asset categories are based on a combination of historical market performance, evaluations of investment forecasts obtained from external consultants and economists, and current market yields. The methodology underlying the return assumption includes the various elements of the expected return for each asset class such as long-term rates of return, volatility of returns, and the correlation of returns between various asset classes. The expected return for the total portfolio is calculated based on the plan's strategic asset allocation.  Investment risk is measured and monitored on an ongoing basis through annual liability measurements, periodic asset/liability studies, and quarterly investment portfolio reviews.  Risk tolerance is established through consideration of plan liabilities, plan funded status, and corporate financial condition.

Our mortality rate assumption reflects our best estimate, as of the measurement date, of the life expectancies of plan participants in order to determine the expected length of time for benefit payments. We derive our assumptions from industry mortality tables.

The expected return assumption for the life insurance reserve for our OPEB plan is based on full investment in fixed income securities with an average book yield of 5.01 percent and 4.46 percent in 2024 and 2023, respectively.

The rate of compensation increase assumption for our U.K. plan is generally based on periodic studies of compensation trends.

For our OPEB plan, at December 31, 2024 and 2023, the annual rates of increase in the per capita cost of covered postretirement health care benefits assumed for the next calendar year are 7.00 percent and 6.75 percent, respectively, for benefits payable to both retirees prior to Medicare eligibility as well as Medicare eligible retirees. The rates are assumed to change gradually to 5.00 percent by 2033 for measurement at December 31, 2024 and remain at that level thereafter. The annual rates of increase in the per capita cost of covered postretirement health benefits do not apply to retirees whose postretirement health care benefits are provided through an exchange.
Net Periodic Benefit Cost

The following table provides the components of the net periodic benefit cost (credit) for the years ended December 31.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232022202420232022202420232022
(in millions of dollars)
Service Cost$9.2 $9.2 $7.7 $— $— $— $— $— $— 
Interest Cost82.9 87.9 67.2 7.6 7.7 5.0 4.0 4.5 3.0 
Expected Return on Plan Assets(91.3)(92.0)(105.9)(8.4)(8.5)(10.9)(0.4)(0.5)(0.5)
Amortization of:
   Net Actuarial Loss (Gain)14.6 15.2 16.3 2.9 2.5 0.4 (1.1)(10.5)(1.0)
   Prior Service Cost (Credit)
0.1 — — — — — (0.2)(0.2)(0.2)
Total Net Periodic Benefit Cost (Credit)$15.5 $20.3 $(14.7)$2.1 $1.7 $(5.5)$2.3 $(6.7)$1.3 

The service cost component of net periodic pension and postretirement benefit cost (credit) is included as a component of compensation expense in our consolidated statements of income. All other components of net periodic pension and postretirement benefit cost (credit) are included in other expenses.

Benefit Payments

The following table provides expected benefit payments, which reflect expected future service, as appropriate.
 U.S. PlansU.K. PlanOPEB
 (in millions of dollars)
Year
Pension Benefits
GrossSubsidy PaymentsNet
2025$87.7 $5.9 $8.8 $— $8.8 
202691.9 6.1 8.4 — 8.4 
202795.8 6.2 8.0 — 8.0 
202899.2 6.4 7.6 — 7.6 
2029102.2 6.6 7.2 — 7.2 
2030-2034545.1 35.3 30.2 0.1 30.1 

Funding Policy

The funding policy for our U.S. qualified defined benefit pension plan is to contribute an amount at least equal to the minimum contributions required under ERISA and other applicable laws, but generally not greater than the maximum amount that can be deducted for federal income tax purposes. During, 2024, we had no regulatory contribution requirements for our U.S. qualified defined benefit pension plan and made no voluntary contributions. We do not expect to have regulatory contribution requirements for our U.S. qualified defined benefit pension plan in 2025, but we reserve the right to make voluntary contributions during 2025. The funding policy for our U.S. non-qualified defined benefit pension plan, which is not subject to ERISA, is to contribute the amount necessary to satisfy the liabilities of the plan as they come due to participants. We expect to make contributions to the U.S. non-qualified defined benefit pension plan of approximately $10 million to fund the benefit payments in 2025.
During, 2024, we had no regulatory contribution requirements for our U.K. defined benefit pension plan and made no voluntary contributions. We do not expect to have regulatory contribution requirements for our U.K. defined benefit pension plan in 2025, but we reserve the right to make voluntary contributions during 2025.

Our OPEB plan represents a non-vested, non-guaranteed obligation, and current regulations do not require specific funding levels for these benefits, which are comprised of retiree life, medical, and dental benefits. It is our practice to use general assets to pay medical and dental claims as they come due in lieu of utilizing plan assets for the medical and dental benefit portions of our OPEB plan.

Defined Contribution Plans

We offer a 401(k) plan to all eligible U.S. employees under which a portion of employee contributions is matched. We match dollar-for-dollar up to 5.0 percent of base salary and any recognized sales and performance-based incentive compensation for employee contributions into the plan. We also make an additional non-elective contribution of 4.5 percent of earnings for all eligible employees. The 401(k) plan remains in compliance with ERISA guidelines and continues to qualify for a “safe harbor” from most annual discrimination testing.

We also offer a defined contribution plan to all eligible U.K. employees and offer related employer contributions. If an employee elects to make a minimum contribution of at least 1.0 percent of their base salary, we match with a contribution of 8.0 percent. We increase our contribution to a maximum of 12.0 percent as the employee increases their contribution from 1.0 percent to 5.0 percent. We do not increase our contribution percentage on employee contributions in excess of 5.0 percent.

During the years ended December 31, 2024, 2023, and 2022, we recognized costs of $81.6 million, $74.3 million, and $70.9 million, respectively, for our U.S. defined contribution plan. We recognized costs of $6.6 million, $5.7 million, and $4.9 million in 2024, 2023, and 2022, respectively, for our U.K. defined contribution plan.
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Stockholders' Equity and Earnings Per Common Share
 12 Months Ended
Dec. 31, 2024
Stockholders' Equity and Earnings Per Common Share [Abstract]  
Earnings Per Share Disclosure
Earnings Per Common Share

Net income per common share is determined as follows:

 Year Ended December 31
 202420232022
 (in millions of dollars, except share data)
Numerator
Net Income$1,779.1 $1,283.8 $1,407.2 
Denominator (000s)
Weighted Average Common Shares - Basic187,497.7 196,659.7 200,647.2 
Dilution for Assumed Exercises of Nonvested Stock Awards571.5 942.3 1,462.2 
Weighted Average Common Shares - Assuming Dilution188,069.2 197,602.0 202,109.4 
Net Income Per Common Share
Basic$9.49 $6.53 $7.01 
Assuming Dilution$9.46 $6.50 $6.96 

We compute basic earnings per share by dividing net income by the weighted average number of common shares outstanding for the period. In computing earnings per share assuming dilution, we include potential common shares that are dilutive (those that reduce earnings per share). We use the treasury stock method to account for the effect of nonvested stock success units and
nonvested restricted stock units on the computation of diluted earnings per share. Under this method, the potential common shares from nonvested stock success units and nonvested restricted stock units will each have a dilutive effect, as individually measured, when the average market price of Unum Group common stock during the period exceeds the grant price of the nonvested stock success units and nonvested restricted stock units. Potential common shares not included in the computation of diluted earnings per share because the impact would be antidilutive, approximated 0.1 million, 0.5 million, and 0.1 million for the years ended December 31, 2024, 2023, and 2022, respectively. See Note 13 for further discussion of our stock-based compensation plans.
Stockholders' Equity Disclosure
Common Stock

As part of our capital deployment strategy, we may repurchase shares of Unum Group's common stock, as authorized by our board of directors. The timing and amount of repurchase activity is based on market conditions and other considerations, including the level of available cash, alternative uses for cash, and our stock price.

Our board of directors has authorized the following repurchase programs:

February 2025 Authorization
July 2024 Authorization1
October 2023 Authorization2
December 2022 Authorization3
October 2021 Authorization
(in millions)
Effective Date
April 1, 2025August 1, 2024January 1, 2024January 1, 2023October 25, 2021
Expiration Date
NoneMarch 31, 2025July 31, 2024December 31, 2023December 31, 2022
Authorized Repurchase Amount
$1,000.0 $1,000.0 $500.0 $250.0 $250.0 
Cost of Shares Repurchased Under Repurchase Program
— 506.8 464.2 250.0 250.0 
Unused and Expired
— — 35.8 — — 
Remaining Repurchase Amount at December 31, 2024
Not yet effective
$493.2 $— $— $— 
1Concurrent with the announcement of the February 2025 repurchase program, we also announced the termination of the July 2024 program as of March 31, 2025, and any unused amounts under that program will expire as of that date.
2Concurrent with the announcement of the July 2024 repurchase program, we also announced the termination of the October 2023 program as of July 31, 2024, and all unused amounts under that program expired as of that date.
3In February 2023, the December 2022 program was modified to increase the authorized repurchase amount from $200.0 million to $250.0 million.

In August 2022, the Inflation Reduction Act was signed into law in the U.S. and imposed a one percent excise tax on corporate stock repurchases effective January 1, 2023. This excise tax is recorded as part of the cost basis of treasury stock and is assessed on the fair market value of stock repurchases reduced by the fair market value of any shares issued during the period.
Common stock repurchases, which are accounted for using the cost method and classified as treasury stock until otherwise retired, were as follows:
Year Ended December 31
202420232022
(in millions)
Shares Repurchased15.7 5.7 5.7 
Cost of Shares Repurchased1
$979.3 $252.0 $200.1 

1 Includes $80.3 million related to shares which settled in February 2025 in connection with the November 2024 accelerated share repurchase agreement (ASR), a de minimis amount of commissions for the year ended December 31, 2024, and $0.1 million of commissions for the years ended December 31, 2023 and 2022. Also includes $8.3 million and $1.9 million of excise tax for the years ended December 31, 2024 and 2023, respectively. There were no excise taxes during the year ended December 31, 2022.

As a part of our share repurchase program, we periodically enter into ASRs. Under the terms of these agreements, we make a prepayment to a financial counterparty for which we receive an initial delivery of approximately 75 percent of the total Unum Group common stock to be delivered under the agreement. We simultaneously enter into a forward contract indexed to the price of Unum Group common stock, which subjects the transactions to a future price adjustment. Under the terms of the agreements, we are to receive, or be required to pay, a price adjustment based on the volume weighted average price of Unum Group common stock during the term of the agreement, less a discount. Any price adjustment payable to us is settled in shares of Unum Group common stock. Any price adjustment we would be required to pay may be settled in either cash or common stock at our option. Details of our ASRs are as follows:

Prepayment DatePrepayment AmountInitial Share DeliveryForward Contract Settlement DateShares Delivered to Settle Forward Contract
(in millions)
November 2024
$321.03.8
February 20251
0.7
October 2024$150.01.9
December 2024
0.3
July 2024
$150.02.2
September 2024
0.6
April 2024$125.01.7June 20240.7
January 2024$100.01.6March 20240.5
July 2023$50.00.8September 20230.2
February 2022
$50.01.3
April 2022
0.4
1The final price adjustment settlement, along with the delivery of the remaining shares, occurred in February 2025, resulting in the delivery to us of 0.7 million additional shares. As a result of the final settlement occurring subsequent to December 31, 2024, we recorded a decrease to additional paid-in capital within stockholders' equity on our consolidated balance sheet for the value of the shares held back by the counterparty as of December 31, 2024, which was reclassified to treasury stock in the first quarter of 2025 in connection with the final settlement of the agreement.

In December 2023, we retired 115.0 million shares of our treasury stock with a total cost of $3,642.5 million.

Preferred Stock

Unum Group has 25.0 million shares of preferred stock authorized with a par value of $0.10 per share. No preferred stock has been issued to date.
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Stock-Based Compensation
 12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Disclosure of Compensation Related Costs, Share-based Payments
Description of Stock Plans

Under the 2022 Stock Incentive Plan (the 2022 Plan), up to 6.8 million shares of common stock are available for awards to our employees, officers, consultants, and directors.  Awards may be in the form of stock options, stock appreciation rights, restricted stock, restricted stock units, performance share units, and other stock-based awards.  Each award, under the 2022 plan is counted as 1.00 share. The exercise price for stock options issued cannot be less than the fair value of the underlying common stock as of the grant date. The maximum term of each stock option or stock appreciation right is ten years after the date of grant.  At December 31, 2024, approximately 5.0 million shares were available for future grants under the 2022 Plan.

Under the Stock Incentive Plan of 2017 (the 2017 Plan), which was terminated in May 2022 for the purposes of any further grants, up to 17.0 million shares of common stock were available for awards to our employees, officers, consultants, and directors. Awards could be in the form of stock options, stock appreciation rights, restricted stock, restricted stock units, performance share units, and other stock-based awards. Each full-value award under the 2017 plan, defined as any award other than a stock option or stock appreciation right, were counted as 1.76 shares. Awards granted before the termination of the 2017 Plan remain outstanding in accordance with the plan's terms. Any shares subject to an outstanding award under the 2017 Plan that, after March 15, 2022, is not issued because the award is forfeited, terminates, expires or lapses without being exercised (as applicable), or is settled for cash, becomes available for issuance under the 2022 Plan. Stock options had a term of eight years after the date of grant and fully vested after three years.

We issue new shares of common stock for all of our stock plan vestings and exercises.

Stock Success Units (SSUs)
SSUs are classified as equity. As of December 31, 2024 and 2023, there were 86 thousand and 105 thousand shares of SSUs outstanding, respectively, with a weighted average grant date fair value of $18.78 per share. There were no issuances of SSUs during 2024, 2023, or 2022. During 2024, 19 thousand shares of SSUs were forfeited. SSUs vest over a six year period, beginning at the date of grant. One-third of the SSUs are eligible for accelerated vesting on a cumulative basis at the end of each of the one-, three-, and five-year service periods that began on January 1, 2021, if certain performance goals are achieved. Forfeitable dividends on SSUs are accrued in the form of cash. Compensation cost for SSUs subject to accelerated vesting due to the achievement of certain performance conditions at the end of the one-, three-, and five-year service periods is recognized over the implicit service period.

No SSUs vested during 2024 or 2022. The total fair value of SSUs that vested during 2023 was $1.9 million. At December 31, 2024, we had $0.3 million of unrecognized compensation cost related to SSUs that will be recognized over a remaining weighted average period of 0.5 years.

Performance Share Units (PSUs)
PSUs are classified as equity. There were no new tranches of PSUs issued during 2024, 2023, or 2022. Vesting for the PSUs occurred at the end of a three-year period and was contingent upon our achievement of prospective company performance goals and our total shareholder return relative to a board-approved peer group during the three-year period. Actual performance, including modification for relative total shareholder return, could have resulted in the ultimate award of 40 percent to 180 percent of the initial number of PSUs issued, with the potential for no award if company performance goals had not been achieved during the three-year period. Forfeitable dividend equivalents on PSUs were accrued as cash.

PSU shares represent aggregate initial target awards and accrued dividend equivalents and do not reflect potential increases or decreases resulting from the application of the performance factor determined after the end of the performance periods. At December 31, 2022, the three-year performance period for the 2020 PSU grant was completed and the related shares vested, but the performance factor had not yet been applied. The performance factor, which exceeded 100 percent, was applied during the first quarter of 2023 and resulted in the granting and vesting of an additional 245 thousand shares. We had no outstanding PSUs at December 31, 2024, 2023, or 2022 and there were no PSUs forfeited during 2024.
No PSUs vested during 2024 and the total fair value of PSUs vested during 2023 and 2022 was $5.8 million and $4.2 million, respectively. At December 31, 2024, we had no unrecognized compensation cost related to PSUs as there are no remaining PSUs outstanding. The estimated compensation expense was adjusted for actual performance experience and was recognized ratably during the service period when it became probable that the performance conditions would be satisfied. Compensation cost for PSUs subject to accelerated vesting at the date of retirement eligibility was recognized over the implicit service period.

The fair value of PSUs is estimated on the date of initial grant using the Monte-Carlo simulation model. Key assumptions used to value PSUs granted during 2020 are as follows:
Year Ended December 31, 2020
Expected Volatility (based on our and our peer group historical daily stock prices)23 %
Expected Life (equals the performance period)3 years
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)0.85 %

Cash Incentive Units (CIUs)

CIUs are denominated and settled in cash, with each unit representing the right to receive one dollar. Vesting for the CIUs occurs at the end of a three-year period and is based upon prospective company performance measures and our total shareholder return relative to a board-approved peer group during the three-year period. We issued 9.5 million, 9.0 million, and 8.0 million CIUs during 2024, 2023, and 2022, respectively. However, actual performance, including the modification for relative total shareholder return, may result in an award of up to 200 percent of the initial number of CIUs issued.

Activity for CIUs, which are classified as a liability, is as follows:
Units
(000s)
Outstanding at December 31, 2023
17,028 
Granted
16,187 
Vested(13,442)
Forfeited(3,318)
Outstanding at December 31, 2024
16,455 

At December 31, 2024, the three-year performance period for the 2022 CIU grant was completed and the related shares vested, but the performance factor had not yet been applied. The performance factor will be applied during the first quarter of 2025, with payments of awards at that time. Granted and vested amounts in the preceding table also include an adjustment to reflect the application of the performance factor to the 2021 CIU grant, which occurred during the first quarter of 2024.

At December 31, 2024 and 2023 the liability for CIUs was $36.2 million and $37.7 million, respectively. CIU payments made during 2024 totaled $13.9 million There were no CIU payments made during 2023 and 2022. At December 31, 2024, we had approximately $1.1 million of unrecognized compensation cost related to CIUs that will be recognized over a weighted average period of 1.7 years. The estimated compensation expense is adjusted for actual performance experience and is recognized ratably during the service period, or remaining service period, if and when it becomes probable that the performance conditions will be satisfied. Compensation cost for CIUs subject to accelerated vesting at the date of retirement eligibility is recognized over the implicit service period.
The fair value of CIUs is estimated at each reporting period using the Monte-Carlo simulation model. Key assumptions used to value CIUs granted are as follows:
Assumptions as of the Year Ended December 31, 2024
2024 Grant2023 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %30 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.25 %4.19 %

Assumptions as of the Year Ended December 31, 2023
2023 Grant2022 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %27 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.26 %4.75 %

Assumptions as of the Year Ended December 31, 2022
2022 Grant2021 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %33 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.26 %4.60 %

Restricted Stock Units (RSUs)

RSUs vest over a one to three-year service period, beginning at the date of grant, and the compensation cost is recognized ratably during the vesting period.  Forfeitable dividend equivalents on RSUs are accrued as cash. Compensation cost for RSUs subject to accelerated vesting at the date of retirement eligibility is recognized over the implicit service period.

Activity for RSUs, which are classified as equity, is as follows:
Weighted Average
SharesGrant Date
(000s)Fair Value
Outstanding at December 31, 20231,213 $35.51 
Granted825 49.57 
Vested(906)37.88 
Forfeited(145)40.71 
Outstanding at December 31, 2024987 44.31 

During 2024, 2023, and 2022, we issued RSUs with a weighted average grant date fair value per share of $49.57, $45.56, and $28.21, respectively. 

The total fair value of shares vested during 2024, 2023, and 2022 was $34.8 million, $49.9 million, and $28.0 million, respectively. At December 31, 2024, we had $26.5 million of unrecognized compensation cost related to RSUs that will be recognized over a weighted average period of 0.9 years.
Cash-Settled RSUs

Cash-settled RSUs vested over a one to three-year service period, beginning at the date of grant, and the compensation cost was recognized ratably during the vesting period. Forfeitable dividends on cash-settled RSUs were accrued in the form of cash. Compensation cost for cash-settled RSUs subject to accelerated vesting at the date of retirement eligibility was recognized over the implicit service period.
There were no issuances of cash-settled RSUs during 2024, 2023, and 2022.

The amount payable per unit awarded is equal to the price per share of Unum Group's common stock at settlement of the award, and as such, we measured the value of the award each reporting period based on the current stock price. The effects of changes in the stock price during the service period were recognized as compensation cost over the service period. Changes in the amount of the liability due to stock price changes after the service period were recognized as compensation cost during the period in which the changes occurred. There was no remaining liability for cash-settled RSUs at December 31, 2024 and 2023. There were no cash-settled RSU payments during 2024. Cash-settled RSU payments made during 2023 and 2022 were $1.1 million and $0.6 million, respectively. At December 31, 2024, we had no unrecognized compensation cost related to cash-settled RSUs as there are no remaining cash-settled RSUs outstanding.

Expense

Compensation expense for the stock based plans, as reported in our consolidated statements of income, is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Performance Share Units$— $0.3 $5.7 
Cash Incentive Units12.4 21.7 12.8 
Restricted Stock Units and Cash-Settled Restricted Stock Units34.5 40.6 32.7 
Stock Success Units0.1 0.9 0.9 
Other0.8 0.6 0.6 
Total Compensation Expense, Before Income Tax$47.8 $64.1 $52.7 
Total Compensation Expense, Net of Income Tax$41.6 $57.5 $47.3 
Cash received under all share-based payment arrangements for the years ended December 31, 2024, 2023, and 2022 was $6.0 million, $5.2 million, and $4.2 million, respectively.
XML 43 R21.htm IDEA: XBRL DOCUMENT v3.25.0.1
Reinsurance
 12 Months Ended
Dec. 31, 2024
Reinsurance Disclosures [Abstract]  
Reinsurance
Reinsurance activity related to our premium income, policy benefits, and policy benefits remeasurement gain are as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Direct Premium Income$10,732.1 $10,286.8 $9,893.6 
Reinsurance Assumed69.8 80.4 78.7 
Reinsurance Ceded(304.5)(321.2)(355.8)
Net Premium Income$10,497.4 $10,046.0 $9,616.5 
Direct Policy Benefits
$8,027.9 $8,001.8 $8,205.3 
Reinsurance Assumed
152.5 138.7 135.1 
Reinsurance Ceded
(700.2)(828.6)(798.3)
Net Policy Benefits
$7,480.2 $7,311.9 $7,542.1 
Direct Policy Benefits - Remeasurement Gain
$(546.8)$(49.2)$(372.5)
Reinsurance Assumed
2.2 (0.1)36.4 
Reinsurance Ceded
(17.7)(5.5)(211.4)
Net Policy Benefits - Remeasurement Gain
$(562.3)$(54.8)$(547.5)

We exited a substantial portion of our Closed Block individual disability product line through two phases of a coinsurance and modified coinsurance reinsurance transaction with Commonwealth Annuity and Life Insurance Company (Commonwealth) that were executed in December 2020 and March 2021. In addition, we also entered into an agreement with Commonwealth whereby we will provide a 12-year volatility cover to Commonwealth for the active life cohort (ALR cohort) ceded as a part of the reinsurance transaction described above. At the end of the 12-year coverage period, Commonwealth will retain the risk for the remaining incidence and claims risk on the ALR cohort of the ceded business. Due to the nature of the volatility cover, the ALR cohort is accounted for under the deposit method on a GAAP basis. Reserves ceded to Commonwealth were $4,698.4 million and $5,143.4 million at December 31, 2024 and 2023, respectively. The deposit asset as of December 31, 2024 and 2023 was $282.3 million and $296.5 million, respectively. The unamortized cost of reinsurance related to the reinsurance transaction with Commonwealth was $508.1 million and $549.5 million at December 31, 2024 and 2023, respectively. We amortized the cost of reinsurance related to this transaction of $41.4 million, $44.1 million, and $50.3 million in 2024, 2023, and 2022, respectively.

As of December 31, 2024, Commonwealth accounted for 56 percent of the total reinsurance recoverable and the majority of our total cost of reinsurance. Commonwealth has an A rating by A.M. Best Company (AM Best) and has also established collateralized trust accounts for our benefit to secure its obligations. In addition, nine other major companies, which account for approximately 39 percent of our reinsurance recoverable, are also rated A or better by either AM Best or Standard & Poor's Ratings Services (S&P), or are fully securitized by letters of credit or investment-grade fixed maturity securities held in trust. Approximately 4 percent of our reinsurance recoverable is primarily related to business reinsured with other companies also rated A- or better by AM Best or S&P, with overseas entities with equivalent ratings, or backed by letters of credit or trust agreements, or through reinsurance arrangements wherein we retain the assets in our general account. Less than one percent of our reinsurance recoverable is held by companies either rated below A- by AM Best or S&P, or not rated.
Subsequent Events
Closed Block Long-Term Care and Unum US Individual Disability Reinsurance Transaction

On February 26, 2025, Unum America entered into a master transaction agreement with Fortitude Reinsurance Company Ltd. (Fortitude Re) which, subject to receipt of regulatory approvals and the satisfaction or waiver of other customary closing conditions, is expected to result in the execution of a coinsurance agreement (anticipated reinsurance agreement) during 2025.
This anticipated reinsurance agreement is to reinsure a portion of our Closed Block long-term care insurance business and a portion of our Unum US individual disability business on a coinsurance basis to Fortitude Re. The anticipated reinsurance agreement represents approximately 21 percent of total Closed Block long-term care future policy benefits and approximately 15 percent of Unum US individual disability future policy benefits as of December 31, 2024. The transaction is expected to result in approximately $430 million pre-tax ceding commission paid to Fortitude Re. Fortitude Re will establish and maintain a collateralized trust account for the benefit of Unum America to secure its obligations under the anticipated reinsurance agreement.

Immediately prior to entering into the anticipated reinsurance agreement with Fortitude Re, Unum America will recapture the aforementioned Closed Block long-term care business from Fairwind Reinsurance Company (Fairwind), an affiliated captive reinsurer, and assume the aforementioned Unum US individual disability business from Provident, an affiliate.
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Segment Information
 12 Months Ended
Dec. 31, 2024
Segment Reporting [Abstract]  
Segment Information
We have three principal operating segments: Unum US, Unum International, and Colonial Life. Our other operating segments are Closed Block and Corporate.

The Unum US segment is comprised of group disability, group life and accidental death and dismemberment, and supplemental and voluntary lines of business. The group disability line of business includes long-term and short-term disability, medical stop-loss, and fee-based service products. The supplemental and voluntary line of business includes voluntary benefits, individual disability, and dental and vision products. These products, excluding medical stop-loss which is no longer actively marketed as of the third quarter of 2024, are marketed through our field sales personnel who work in conjunction with independent brokers and consultants.

The Unum International segment is comprised of our operations in both the United Kingdom and Poland. Our Unum UK products include insurance for group long-term disability, group life, and supplemental lines of business which include dental, critical illness, and individual disability products. Our Unum Poland products include insurance for individual and group life with accident and health riders. Unum International's products are sold primarily through field sales personnel and independent brokers and consultants.

The Colonial Life segment includes insurance for accident, sickness, and disability products, which includes dental and vision products, life products, and cancer and critical illness. These products are marketed to employees, on both a group and an individual basis, at the workplace through an independent contractor agent sales force and brokers.

The Closed Block segment consists of group and individual long-term care, and other insurance products no longer actively marketed. We discontinued offering individual long-term care in 2009 and group long-term care in 2012. Other insurance products include individual disability, group pension, individual life and corporate-owned life insurance, reinsurance pools and management operations, and other miscellaneous product lines.

The Corporate segment includes investment income on corporate assets not specifically allocated to a line of business, interest expense on corporate debt, and certain other corporate income and expenses not allocated to a line of business.

Premium income is primarily derived from sources in the United States, the United Kingdom, and Poland. There are no material revenues or assets attributable to foreign operations other than those reported in our Unum International segment.

Our Chief Executive Officer is the Chief Operating Decision Maker (CODM). Our CODM evaluates the performance of our segments on the basis of "adjusted operating revenue" and "adjusted operating income" or "adjusted operating loss". The significant expense categories and amounts included within "adjusted operating income" or "adjusted operating loss" align with the segment level information that is regularly provided to the CODM. We believe adjusted operating revenue and adjusted operating income or loss are better performance measures and better indicators of the revenue and profitability and underlying trends in our business. As such, the CODM uses these performance measures to evaluate profitability, assist in resourcing decisions, and monitor budgeted versus actual results. These performance measures are in accordance with GAAP guidance for
segment reporting, but they should not be viewed as a substitute for total revenue, income before income tax, net income, or net loss.
Segment information is shown below.

Year Ended December 31
202420232022
(in millions of dollars)
Premium Income
Unum US
Group Disability
Group Long-term Disability$2,086.1 $2,057.2 $1,911.7 
Group Short-term Disability1,084.0 1,012.3 926.3 
Group Life and Accidental Death & Dismemberment
Group Life1,784.7 1,679.0 1,669.1 
Accidental Death & Dismemberment186.1 175.5 173.7 
Supplemental and Voluntary
Voluntary Benefits879.2 850.1 833.7 
Individual Disability566.0 527.0 461.1 
Dental and Vision297.1 278.1 275.8 
6,883.2 6,579.2 6,251.4 
Unum International
Unum UK
Group Long-term Disability418.0 396.1 376.9 
Group Life211.3 169.3 138.2 
Supplemental165.6 141.5 114.0 
Unum Poland154.6 118.3 89.7 
949.5 825.2 718.8 
Colonial Life
Accident, Sickness, and Disability969.5 946.1 948.9 
Life458.0 426.5 401.1 
Cancer and Critical Illness356.4 353.5 352.0 
1,783.9 1,726.1 1,702.0 
Closed Block
Long-term Care696.1 696.0 697.4 
All Other184.7 219.5 246.9 
880.8 915.5 944.3 
Total Premium Income$10,497.4 $10,046.0 $9,616.5 
Year Ended December 31, 2024
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,883.2 $949.5 $1,783.9 $880.8 $— $10,497.4 
Net Investment Income632.2 128.8 161.5 1,148.9 58.6 2,130.0 
Other Income235.9 1.6 4.0 51.7 1.3 294.5 
Adjusted Operating Revenue$7,751.3 $1,079.9 $1,949.4 $2,081.4 $59.9 $12,921.9 
Adjusted Policy Benefits1
$4,246.5 $693.6 $885.4 $1,629.6 $— $7,455.1 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(238.2)(44.4)(34.7)112.4 — (204.9)
Commissions729.3 82.5 378.4 68.4 — 1,258.6 
Interest and Debt Expense— — — — 201.1 201.1 
Deferral of Acquisition Costs
(320.9)(17.8)(312.8)— — (651.5)
Amortization of Deferred Acquisition Costs292.5 9.5 219.0 — — 521.0 
Other Segment Items3
1,602.9 198.7 347.4 133.2 50.0 2,332.2 
Adjusted Benefits and Expenses
$6,312.1 $922.1 $1,482.7 $1,943.6 $251.1 $10,911.6 
Adjusted Operating Income (Loss)$1,439.2 $157.8 $466.7 $137.8 $(191.2)$2,010.3 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment and the loss on legal settlement in the Corporate segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2024 was $85.0 million, $17.9 million, $15.1 million, $5.4 million, and $0.1 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
Year Ended December 31, 2023
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,579.2 $825.2 $1,726.1 $915.5 $— $10,046.0 
Net Investment Income639.9 137.2 153.5 1,066.3 99.8 2,096.7 
Other Income220.5 1.6 1.2 52.6 3.3 279.2 
Adjusted Operating Revenue$7,439.6 $964.0 $1,880.8 $2,034.4 $103.1 $12,421.9 
Adjusted Policy Benefits1
$4,221.2 $581.4 $877.1 $1,597.4 $— $7,277.1 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(283.9)(19.5)1.7 69.7 — (232.0)
Commissions664.4 72.5 359.4 73.8 — 1,170.1 
Interest and Debt Expense— — — — 194.8 194.8 
Deferral of Acquisition Costs(314.7)(14.6)(302.9)— — (632.2)
Amortization of Deferred Acquisition Costs267.6 8.4 205.4 — — 481.4 
Other Segment Items3
1,529.5 177.7 340.0 128.6 54.7 2,230.5 
Adjusted Benefits and Expenses
$6,084.1 $805.9 $1,480.7 $1,869.5 $249.5 $10,489.7 
Adjusted Operating Income (Loss)$1,355.5 $158.1 $400.1 $164.9 $(146.4)$1,932.2 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2023 was $76.3 million, $14.6 million, $13.6 million, $5.2 million and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
Year Ended December 31, 2022
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,251.4 $718.8 $1,702.0 $944.3 $— $9,616.5 
Net Investment Income676.3 170.1 152.7 1,070.6 52.5 2,122.2 
Other Income196.3 0.9 1.1 58.0 4.8 261.1 
Adjusted Operating Revenue$7,124.0 $889.8 $1,855.8 $2,072.9 $57.3 $11,999.8 
Adjusted Policy Benefits1
$4,429.6 $521.6 $926.6 $1,620.5 $— $7,498.3 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(287.9)35.6 (45.3)2.8 — (294.8)
Commissions614.4 56.3 340.0 75.7 — 1,086.4 
Interest and Debt Expense— — — — 192.7 192.7 
Deferral of Acquisition Costs(273.1)(12.0)(271.8)— — (556.9)
Amortization of Deferred Acquisition Costs240.9 8.2 172.0 — — 421.1 
Other Segment Items3
1,427.5 146.1 321.4 122.0 28.9 2,045.9 
Adjusted Benefits and Expenses
$6,151.4 $755.8 $1,442.9 $1,821.0 $221.6 $10,392.7 
Adjusted Operating Income (Loss)
$972.6 $134.0 $412.9 $251.9 $(164.3)$1,607.1 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter and the impact of non-contemporaneous reinsurance in the Closed Block segment.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2022 was $75.7 million, $14.4 million, $15.0 million, $4.7 million, and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.

December 31
20242023
(in millions of dollars)
Assets
Unum US$14,981.6 $15,561.1 
Unum International3,291.3 3,372.9 
Colonial Life4,964.2 4,830.4 
Closed Block33,376.0 35,272.8 
Corporate5,346.2 4,218.0 
Total Assets$61,959.3 $63,255.2 

We report goodwill in our Unum US, Unum International, and Colonial Life segments, which are the segments expected to benefit from the originating business combinations. At December 31, 2024 and 2023 goodwill was $349.1 million and $349.9 million, respectively, with $280.0 million attributable to Unum US in each year, $41.4 million and $42.2 million, respectively, attributable to Unum International, and $27.7 million attributable to Colonial Life in each year.
We measure and analyze our segment performance on the basis of "adjusted operating revenue" and "adjusted operating income" or "adjusted operating loss", which differ from total revenue and income before income tax as presented in our consolidated statements of income due to the exclusion of investment gains or losses, the amortization of the cost of reinsurance, the impact of non-contemporaneous reinsurance, and reserve assumption updates as well as certain other items as specified in the reconciliations below. We believe adjusted operating revenue and adjusted operating income or loss are better performance measures and better indicators of the revenue and profitability and underlying trends in our business. These performance measures are in accordance with GAAP guidance for segment reporting, but they should not be viewed as a substitute for total revenue, income before income tax, net income, or net loss.

Investment gains or losses primarily include realized investment gains or losses, expected investment credit losses, and gains or losses on derivatives. Investment gains or losses depend on market conditions and do not necessarily relate to decisions regarding the underlying business of our segments. Our investment focus is on investment income to support our insurance liabilities as opposed to the generation of investment gains or losses. Although we may experience investment gains or losses which will affect future earnings levels, a long-term focus is necessary to maintain profitability over the life of the business since our underlying business is long-term in nature, and we need to earn the interest rates assumed in calculating our liabilities.

We exited a substantial portion of our Closed Block individual disability product line through the two phases of the reinsurance transaction that were executed in December 2020 and March 2021. As a result, we exclude the amortization of the cost of reinsurance that we recognized upon the exit of the business related to the policies on claim status as well as the impact of non-contemporaneous reinsurance that resulted from the adoption of ASU 2018-12. We believe that the exclusion of these items provides a better view of our results from our ongoing businesses.

During the third quarter of 2024, we incurred a loss of $15.3 million within our Corporate segment for the settlement of an employment-related matter. $4.9 million of the loss is recorded within compensation expense and $10.4 million of the loss is recorded within other expenses within the consolidated statements of income.

Cash flow assumptions used to calculate our liability for future policy benefits are reviewed at least annually and updated, as needed, with the resulting impact reflected in net income. While the effects of these assumption updates are recorded in the reporting period in which the review is completed, these updates reflect experience emergence and changes to expectations spanning multiple periods. We believe that by excluding the impact of reserve assumption updates we are providing a more comparable and consistent view of our quarterly results.

We may at other times exclude certain other items from our discussion of financial ratios and metrics in order to enhance the understanding and comparability of our operational performance and the underlying fundamentals, but this exclusion is not an indication that similar items may not recur and does not replace net income or net loss as a measure of our overall profitability.

See above and Notes 3, 6, and 14 for further discussion regarding the items specified in the reconciliation below.
A reconciliation of total revenue to "adjusted operating revenue" and income before income tax to "adjusted operating income" is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Total Revenue$12,887.3 $12,385.9 $11,984.1 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Adjusted Operating Revenue$12,921.9 $12,421.9 $11,999.8 
Income Before Income Tax$2,251.3 $1,640.1 $1,750.0 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Amortization of the Cost of Reinsurance(41.4)(44.1)(50.3)
Non-Contemporaneous Reinsurance
(25.1)(34.8)(34.4)
Reserve Assumption Updates357.4 (177.2)243.3 
Loss on Legal Settlement(15.3)— — 
Adjusted Operating Income$2,010.3 $1,932.2 $1,607.1 
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Commitments and Contingent Liabilities
 12 Months Ended
Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies Disclosure
Commitments

See Notes 2 and 3 for further discussion on certain of our investment commitments.

Contingent Liabilities
 
We are a defendant in a number of litigation matters that have arisen in the normal course of business, including the matters discussed below. Further, state insurance regulatory authorities and other federal and state authorities regularly make inquiries and conduct investigations concerning our compliance with applicable insurance and other laws and regulations. Given the complexity and scope of our litigation and regulatory matters, it is not possible to predict the ultimate outcome of all pending investigations or legal proceedings or provide reasonable estimates of potential losses, except if noted in connection with specific matters.

In some of these matters, no specified amount is sought. In others, very large or indeterminate amounts, including punitive and treble damages, are asserted. There is a wide variation of pleading practice permitted in the United States courts with respect to requests for monetary damages, including some courts in which no specified amount is required and others which allow the plaintiff to state only that the amount sought is sufficient to invoke the jurisdiction of that court. Further, some jurisdictions permit plaintiffs to allege damages well in excess of reasonably possible verdicts. Based on our extensive experience and that of others in the industry with respect to litigating or resolving claims through settlement over an extended period of time, we believe that the monetary damages asserted in a lawsuit or claim bear little relation to the merits of the case, or the likely disposition value. Therefore, the specific monetary relief sought is not stated.
 
Unless indicated otherwise, reserves have not been established for litigation and contingencies. An estimated loss is accrued when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.
 
Claim Handling Matters
 
We and our insurance subsidiaries, in the ordinary course of our business, are engaged in claim litigation where disputes arise as a result of a denial or termination of benefits. Most typically these lawsuits are filed on behalf of a single claimant or policyholder, and in some of these individual actions punitive damages are sought, such as claims alleging bad faith in the handling of insurance claims. For our general claim litigation, we maintain reserves based on experience to satisfy judgments and settlements in the normal course. We expect that the ultimate liability, if any, with respect to general claim litigation, after consideration of the reserves maintained, will not be material to our consolidated financial condition. Nevertheless, given the inherent unpredictability of litigation, it is possible that an adverse outcome in certain claim litigation involving punitive damages could, from time to time, have a material adverse effect on our consolidated results of operations in a period, depending on the results of operations for the particular period.
 
From time to time class action allegations are pursued where the claimant or policyholder purports to represent a larger number of individuals who are similarly situated. Since each insurance claim is evaluated based on its own merits, there is rarely a single act or series of actions which can properly be addressed by a class action. Nevertheless, we monitor these cases closely and defend ourselves appropriately where these allegations are made.
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Leases
 12 Months Ended
Dec. 31, 2024
Leases [Abstract]  
Lessee, Operating Leases
We lease certain buildings and equipment under various noncancellable operating lease agreements. In addition, we have sub-lease agreements on a limited number of our building lease agreements. We have the option to renew the majority of our building leases and equipment leases at the end of the lease term at the fair rental value at the time of renewal.

We do not have any lease agreements or sub-lease agreements that contain variable lease payments. In addition, we do not have lease agreements or sub-lease agreements that contain residual value guarantees or impose any financial restrictions or covenants with the lessors.
Operating lease information is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Lease Cost
Operating Lease Cost$17.3 $16.4 $19.6 
Sublease Income(1.7)(1.5)(1.1)
Total Lease Cost$15.6 $14.9 $18.5 
Other Information
Cash Paid for Amounts Included in the Measurement of Lease Liabilities$20.7 $20.3 $23.1 
Weighted-Average Remaining Lease Term5 years5 years6 years
Weighted-Average Discount Rate5.19 %4.85 %4.32 %

As of December 31, 2024, aggregate undiscounted minimum lease payments and the reconciliation to our lease liability are as follows (in millions of dollars):

2025$17.4 
202615.9 
202713.6 
202812.4 
202911.1 
2030 and Thereafter11.1 
Total81.5 
Less Imputed Interest12.1 
Lease Liability$69.4 

The right-of-use asset was $45.1 million and $35.8 million at December 31, 2024 and 2023, respectively.
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Statutory Financial Information
 12 Months Ended
Dec. 31, 2024
Statutory Financial Information [Abstract]  
Statutory Financial Information
Statutory Net Income, Capital and Surplus, and Dividends

Statutory net income for U.S. life insurance companies is reported in conformity with statutory accounting principles prescribed by the National Association of Insurance Commissioners (NAIC) and adopted by applicable domiciliary state laws. The commissioners of the states of domicile have the right to permit other specific practices that may deviate from prescribed practices. In connection with a financial examination of Unum America, which closed at the end of the second quarter of 2020, the Maine Bureau of Insurance (MBOI) concluded that Unum America’s long-term care statutory reserves were deficient by $2,100.0 million as of December 31, 2018, the financial statement date of the examination period. The amount reserves were deficient by changed over time based on changes in assumed reinvestment rates, policyholder inventories, premium rate increase activity, and the underlying growth in the locked in statutory reserve basis as well as updates to other long term actuarial assumptions. The MBOI granted permission to Unum America on May 1, 2020, to phase in the additional statutory reserves over seven years beginning with year-end 2020 and ending with year-end 2026.

The calculation of the premium deficiency reserve (PDR) reflects specific assumptions set by MBOI and has resulted in a significant margin above Unum America’s best estimate assumptions. As of December 31, 2022, the gross PDR was $2,851 million and Unum America recognized a cumulative gross PDR of $1,191 million, resulting in $1,660 million remaining to be recognized. As of December 31, 2023, the gross PDR was $1,604 million, which was fully recognized by Unum America. As a result, Unum America submitted a withdrawal request to the MBOI for the permitted practice, and the withdrawal request was approved effective December 31, 2024.

If the permitted practice was not granted by the MBOI to phase in these additional statutory reserves, the impact to the risk-based capital ratio would have triggered a regulatory event for the years under examination prior to the year ended December 31, 2023. Our other traditional U.S. life insurance subsidiaries have no prescribed or permitted statutory accounting practices that differ materially from statutory accounting principles prescribed by the NAIC.

Our long-term care reserves and financial results reported under generally accepted accounting principles were not affected by the MBOI’s examination conclusion.

Unum America cedes blocks of long-term care business to Fairwind, which is an affiliated captive reinsurance subsidiary (captive reinsurer) domiciled in the United States, with Unum Group as the ultimate parent. This captive reinsurer was established for the limited purpose of reinsuring risks attributable to specified policies issued or reinsured by Unum America.

Fairwind, which is domiciled in the state of Vermont, is required to follow GAAP in accordance with Vermont reporting requirements for pure captive insurance companies, unless the commissioner permits the use of some other basis of accounting. Fairwind has permission from Vermont to follow accounting practices that are generally consistent with current NAIC statutory accounting principles for its insurance reserves and invested assets supporting reserves. All other assets and liabilities are accounted for in accordance with GAAP, as prescribed by Vermont, which includes the full recognition of deferred tax assets which are more likely than not to be realized. Statutory accounting principles have a stricter limitation for the recognition of deferred tax assets. The impact of following the prescribed and permitted practices of Vermont rather than statutory accounting principles prescribed by the NAIC resulted in higher capital and surplus for Fairwind of approximately $334 million and $469 million as of December 31, 2024 and 2023, respectively.
The operating results and capital and surplus of our traditional U.S. life insurance subsidiaries and our captive reinsurer, prepared in accordance with prescribed or permitted accounting practices of the NAIC or states of domicile, are presented separately below.
Year Ended December 31
202420232022
(in millions of dollars)
Combined Net Income (Loss)
Traditional U.S. Life Insurance Subsidiaries$1,322.4 $1,329.9 $965.4 
Captive Reinsurer
$662.2 $(318.3)$(432.2)
Combined Net Gain (Loss) from Operations, After Tax
Traditional U.S. Life Insurance Subsidiaries$1,337.0 $1,351.5 $965.4 
Captive Reinsurer
$660.3 $(279.4)$(428.6)

December 31
20242023
(in millions of dollars)
Combined Capital and Surplus
Traditional U.S. Life Insurance Subsidiaries$3,909.7 $3,751.3 
Captive Reinsurer
$1,931.6 $1,534.9 

U.K. Solvency II, the system of prudential regulation applying in the U.K., prescribes capital requirements and risk management standards for the U.K. insurance industry. As derived from the most recent annual financial statements for December 31, 2023, based on U.K. Solvency II requirements, regulatory net income and eligible own funds available of our U.K. insurance subsidiary, Unum Limited, were £45.7 million and £767.1 million, respectively.

Risk-based capital (RBC) standards for U.S. life insurance companies are prescribed by the NAIC. The domiciliary states of our U.S. insurance subsidiaries have all adopted a version of the RBC model formula of the NAIC, which prescribes a system for assessing the adequacy of statutory capital and surplus for all life and health insurers. The basis of the system is a risk-based formula that applies prescribed factors to the various risk elements in a life and health insurer's business to report a minimum capital requirement proportional to the amount of risk assumed by the insurer. The life and health RBC formula is designed to measure annually (i) the risk of loss from asset defaults and asset value fluctuations, (ii) the risk of loss from adverse mortality and morbidity experience, (iii) the risk of loss from mismatching of asset and liability cash flow due to changing interest rates, and (iv) business risks. The formula is used as an early warning tool to identify companies that are potentially inadequately capitalized. State insurance laws grant insurance regulators the authority to require various actions by, or take various actions against, insurers whose total adjusted capital does not meet or exceed certain RBC levels. The total adjusted capital of each of our U.S. insurance subsidiaries at December 31, 2024 is in excess of those RBC levels.

Restrictions under applicable state insurance laws limit the amount of dividends that can be paid to a parent company from its insurance subsidiaries in any 12-month period without prior approval by regulatory authorities. For life insurance companies domiciled in the U.S., that limitation generally equals, depending on the state of domicile, either ten percent of an insurer's statutory surplus with respect to policyholders as of the preceding year end or the statutory net gain from operations, excluding net realized capital gains and losses, of the preceding year. The payment of dividends to a parent company from a life insurance subsidiary is generally further limited to the amount of unassigned funds.

Based on the restrictions under current law, approximately $1,383 million is available, without prior approval by regulatory authorities, during 2025 for the payment of dividends to Unum Group from its traditional U.S. life insurance subsidiaries. The ability of our captive insurer to pay dividends to Unum Group will depend on the satisfaction of applicable regulatory requirements and on the performance of the business reinsured by Fairwind.
We also have the ability to receive dividends from our foreign subsidiaries, primarily in the U.K., for which the payment may be subject to applicable insurance company regulations and capital guidance. Approximately £140 million is considered distributable from Unum Limited during 2025, subject to local solvency standards and regulatory approval.

Deposits
At December 31, 2024 and 2023, our U.S. life insurance subsidiaries had on deposit with U.S. regulatory authorities securities with a book value of $119.3 million and $119.1 million, respectively, held for the protection of policyholders.
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Schedule I - Summary of Investments, Other Than Investments in Related Parties Schedule I - Summary of Investments, Other Than Investments in Related Parties
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]  
Summary of Investments, Other Than Investments in Related Parties
SCHEDULE I--SUMMARY OF INVESTMENTS -
OTHER THAN INVESTMENTS IN RELATED PARTIES
as of December 31, 2024
Unum Group and Subsidiaries
Type of Investment
Cost or Amortized Cost (1)
Fair ValueAmount shown on the balance sheet
(in millions of dollars)
Fixed Maturity Securities:
   Bonds
      United States Government and Government Agencies and Authorities$544.6 $530.5 $530.5 
      States, Municipalities, and Political Subdivisions3,795.6 3,291.4 3,291.4 
      Foreign Governments912.1 768.1 768.1 
      Public Utilities5,525.0 5,292.9 5,292.9 
      Mortgage/Asset-Backed Securities(2)
949.4 917.2 917.2 
      All Other Corporate Bonds26,535.2 24,822.2 24,822.2 
   Redeemable Preferred Stocks8.0 7.6 7.6 
              Total Fixed Maturity Securities38,269.9 $35,629.9 35,629.9 
Mortgage Loans2,240.6 2,224.5 
Policy Loans3,617.2 3,617.2 
Other Long-term Investments
      Derivatives(3)
— 90.9 
      Perpetual Preferred and Equity Securities(4)
20.5 24.5 
Private Equity Partnerships(4)
1,215.7 1,450.6 
      Miscellaneous Long-term Investments128.4 128.4 
Short-term Investments2,540.3 2,540.3 
Total Investments$48,032.6 $45,706.3 

(1)The amortized cost for fixed maturity securities and mortgage loans represents original cost reduced by repayments, write-downs from declines in fair value, amortization of premiums, and/or accretion of discounts. The amortized cost for these investments does not include allowance for credit losses.

(2)Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.

(3)Derivatives are carried at fair value.

(4)The difference between amortized cost and carrying value for private equity partnerships and perpetual preferred and equity securities primarily results from changes in the partnership owner's equity and the security's market valuation since acquisition, respectively.
XML 49 R27.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule II Condensed Finacial Information of Registrant
 12 Months Ended
Dec. 31, 2024
Condensed Financial Information Disclosure [Abstract]  
Condensed Financial Information of Parent Company Only Disclosure
SCHEDULE II--CONDENSED FINANCIAL INFORMATION OF REGISTRANT

Unum Group (Parent Company)

BALANCE SHEETS
December 31
20242023
(in millions of dollars)
Assets
Fixed Maturity Securities - at fair value (amortized cost: $545.0; $656.2)
$497.4 $596.1 
Other Long-term Investments32.7 27.0 
Short-term Investments1,397.5 970.9 
Investment in Subsidiaries12,982.0 11,663.6 
Deferred Income Tax122.5 118.1 
Other Assets620.0 593.6 
Total Assets$15,652.1 $13,969.3 
Liabilities and Stockholders' Equity
Liabilities
Short-term Debt
$274.6 $— 
Long-term Debt3,465.2 3,430.4 
Pension and Postretirement Benefits341.9 350.2 
Other Liabilities609.3 537.3 
Total Liabilities4,691.0 4,317.9 
Stockholders' Equity
Common Stock, $0.10 par
Authorized: 725,000,000 shares
Issued: 195,460,723 and 194,588,625 shares
19.5 19.4 
Additional Paid-in Capital1,489.6 1,547.8 
Accumulated Other Comprehensive Loss
(2,523.7)(3,308.0)
Retained Earnings12,914.0 11,431.5 
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares
(938.3)(39.3)
Total Stockholders' Equity10,961.1 9,651.4 
Total Liabilities and Stockholders' Equity$15,652.1 $13,969.3 
SCHEDULE II--CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

Unum Group (Parent Company)

STATEMENTS OF INCOME
Year Ended December 31
202420232022
(in millions of dollars)
Cash Dividends from Subsidiaries$1,378.7 $1,581.1 $1,306.6 
Non-Cash Dividends from Subsidiaries33.0 — 23.0 
Other Income100.5 90.3 81.8 
Total Revenue1,512.2 1,671.4 1,411.4 
Interest and Debt Expense201.1 194.8 188.5 
Cost Related to Early Retirement of Debt— — 4.2 
Other Expenses70.8 54.2 35.6 
Total Expenses271.9 249.0 228.3 
Income of Parent Company Before Income Tax1,240.3 1,422.4 1,183.1 
Income Tax Expense (Benefit)(33.7)(9.5)14.7 
Income of Parent Company1,274.0 1,431.9 1,168.4 
Equity in Undistributed Earnings (Loss) of Subsidiaries505.1 (148.1)238.8 
Net Income1,779.1 1,283.8 1,407.2 
Other Comprehensive Income, Net of Tax
784.3 140.3 1,716.3 
Comprehensive Income
$2,563.4 $1,424.1 $3,123.5 
SCHEDULE II--CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Continued)

Unum Group (Parent Company)

STATEMENTS OF CASH FLOWS
Year Ended December 31
202420232022
(in millions of dollars)
Cash Provided by Operating Activities$1,358.2 $1,548.0 $1,250.2 
Cash Flows from Investing Activities
Proceeds from Sales and Maturities of Fixed Maturity Securities378.0 97.1 192.1 
Proceeds from Sales and Maturities of Other Investments25.1 23.9 7.4 
Purchase of Fixed Maturity Securities(3.0)(44.5)(102.7)
Purchase of Other Investments(16.1)(23.4)(32.0)
Net Purchases of Short-term Investments
(375.4)(104.4)(209.6)
Cash Distributions to Subsidiaries(40.2)(854.5)(540.2)
Net Purchases of Property and Equipment(91.1)(113.1)(94.0)
Cash Used by Investing Activities(122.7)(1,018.9)(779.0)
Cash Flows from Financing Activities
Short-term Debt Repayment— (2.0)— 
Issuance of Long-term Debt391.6 — 349.2 
Long-term Debt Repayment(350.0)— (364.0)
Cost Related to Early Retirement of Debt— — (3.6)
Issuance of Common Stock6.0 5.2 4.0 
Repurchase of Common Stock(972.9)(250.1)(200.1)
Dividends Paid to Stockholders(296.5)(277.1)(254.2)
Other, Net(9.9)— 0.7 
Cash Used by Financing Activities(1,231.7)(524.0)(468.0)
Increase in Cash$3.8 $5.1 $3.2 
XML 50 R28.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule III Supplementary Insurance Information
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]  
Supplementary Insurance Information, for Insurance Companies Disclosure
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION

Unum Group and Subsidiaries
SegmentDeferred Acquisition Costs
Future Policy Benefits
Policyholders' Account BalancesUnearned Premiums
(in millions of dollars)
December 31, 2024
Unum US$1,260.6 $8,669.7 $675.7 $51.7 
Unum International53.0 2,163.0 — 165.5 
Colonial Life1,529.2 1,904.2 862.5 45.4 
Closed Block— 24,069.5 4,095.5 121.4 
   Total$2,842.8 $36,806.4 $5,633.7 $384.0 
December 31, 2023
Unum US$1,232.2 $9,419.1 $678.1 $54.6 
Unum International46.9 2,305.3 — 151.4 
Colonial Life1,435.4 1,997.8 869.8 44.5 
Closed Block— 26,287.2 4,119.8 129.7 
   Total$2,714.5 $40,009.4 $5,667.7 $380.2 
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION (Continued)

Unum Group and Subsidiaries
SegmentPremium Income
Net Investment Income1
Policy Benefits Including Remeasurement Loss or Gain2
Amortization of Deferred Acquisition Costs
All Other Expenses3
Premiums Written4
(in millions of dollars)
December 31, 2024
Unum US$6,883.2 $632.2 $3,864.7 $292.5 $2,011.3 $4,834.0 
Unum International949.5 128.8 656.7 9.5 263.4 581.6 
Colonial Life1,783.9 161.5 804.7 219.0 413.0 1,247.4 
Closed Block880.8 1,148.9 1,591.8 — 243.0 868.1 
Corporate— 58.6 — — 266.4 — 
   Total$10,497.4 $2,130.0 $6,917.9 $521.0 $3,197.1 
December 31, 2023
Unum US$6,579.2 $639.9 $3,808.5 $267.6 $1,879.2 $4,634.3 
Unum International825.2 137.2 579.8 8.4 235.6 544.4 
Colonial Life1,726.1 153.5 798.1 205.4 396.5 1,221.8 
Closed Block915.5 1,066.3 2,070.7 — 246.5 904.2 
Corporate— 99.8 — — 249.5 — 
   Total$10,046.0 $2,096.7 $7,257.1 $481.4 $3,007.3 
December 31, 2022
Unum US$6,251.4 $676.3 $3,970.9 $240.9 $1,768.8 $4,335.7 
Unum International718.8 170.1 549.6 8.2 190.4 504.1 
Colonial Life1,702.0 152.7 826.1 172.0 389.6 1,221.8 
Closed Block944.3 1,070.6 1,648.0 — 248.0 936.8 
Corporate— 52.5 — — 221.6 — 
   Total$9,616.5 $2,122.2 $6,994.6 $421.1 $2,818.4 

1 Net investment income is allocated based upon segmentation. Each segment has its own specifically identified assets and receives the investment income generated by those assets.

2 Included in policy benefits including remeasurement loss or gain were the following:

•In 2024, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US, Colonial Life and Closed Block segments of $143.6 million, $46.0 million, $175.3 million, respectively and a net increase in policy benefits including remeasurement gain or loss in the Unum International segment of $7.5 million.
•In 2023, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US and Colonial Life segments of $128.8 million and $80.7 million respectively and a net increase in policy benefits including remeasurement gain or loss in the Unum International and Closed Block segments of $17.9 million, and $368.8 million, respectively.
•In 2022, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US, Unum International, Colonial Life, and Closed Block segments of $170.8 million, $7.6 million, and $55.2 million, and $9.7 million respectively.
•In 2024, 2023, and 2022 the impact of non-contemporaneous reinsurance of $25.1 million, $34.8 million, and $34.4 million respectively, in the Closed Block segment.
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION (Continued)

Unum Group and Subsidiaries

3 Includes commissions, interest and debt expense, deferral of acquisition costs, compensation expense, and other expenses. Where not directly attributable to a segment, expenses are generally allocated based on activity levels, time information, and usage statistics. Also included in all other expenses were the following:
•In 2024, 2023 and 2022 the amortization of the cost of reinsurance of $41.4 million, $44.1 million, and $50.3 million respectively, in the Closed Block segment.
•In 2024, we incurred a loss on legal settlement of $15.3 million for the settlement of an employment-related matter, in the Corporate segment.

4 Excludes life insurance.
XML 51 R29.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule IV Reinsurance
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]  
Supplemental Schedule of Reinsurance Premiums for Insurance Companies
SCHEDULE IV--REINSURANCE

Unum Group and Subsidiaries
Gross AmountCeded to Other CompaniesAssumed from Other CompaniesNet AmountPercentage Amount Assumed to Net
(in millions of dollars)
Year Ended December 31, 2024
Life Insurance in Force$1,162,098.7 $24,373.3 $1,009.8 $1,138,735.2 0.1 %
Premium Income:
   Life Insurance$3,011.1 $159.0 $5.1 $2,857.2 0.2 %
   Accident, Health, and Other Insurance7,721.0 145.5 64.7 7,640.2 0.8 %
      Total$10,732.1 $304.5 $69.8 $10,497.4 0.7 %
Year Ended December 31, 2023
Life Insurance in Force$1,079,042.5 $21,210.7 $921.6 $1,058,753.4 0.1 %
Premium Income:
   Life Insurance
$2,799.0 $157.5 $6.0 $2,647.5 0.2 %
   Accident, Health, and Other Insurance7,487.8 163.7 74.4 7,398.5 1.0 %
      Total$10,286.8 $321.2 $80.4 $10,046.0 0.8 %
Year Ended December 31, 2022
Life Insurance in Force$1,057,312.2 $35,773.9 $931.9 $1,022,470.2 0.1 %
Premium Income:
   Life Insurance$2,704.3 $155.1 $6.5 $2,555.7 0.3 %
   Accident, Health, and Other Insurance7,189.3 200.7 72.2 7,060.8 1.0 %
      Total$9,893.6 $355.8 $78.7 $9,616.5 0.8 %
XML 52 R30.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule V Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure
SCHEDULE V--VALUATION AND QUALIFYING ACCOUNTS

Unum Group and Subsidiaries
Description
Balance at Beginning of Year
Additions Charged to Costs and Expenses
Deductions1
Balance at End of Year
(in millions of dollars)
Year Ended December 31, 2024
Allowance for expected credit losses (deducted from accounts and premiums receivable)$29.5 $8.0 $10.7 $26.8 
Allowance for expected credit losses (deducted from reinsurance recoverable)$1.7 $0.3 $0.5 $1.5 
Year Ended December 31, 2023
Allowance for expected credit losses (deducted from accounts and premiums receivable)$32.5 $11.3 $14.3 $29.5 
Allowance for expected credit losses (deducted from reinsurance recoverable)$1.7 $0.1 $0.1 $1.7 
Year Ended December 31, 2022
Allowance for expected credit losses (deducted from accounts and premiums receivable)$34.2 $10.8 $12.5 $32.5 
Allowance for expected credit losses (deducted from reinsurance recoverable)$2.3 $— $0.6 $1.7 

1 Deductions include amounts deemed to reduce exposure of expected losses on premium and accounts receivables and reinsurance recoverable, amounts deemed uncollectible, and amounts related to fluctuations in the foreign currency exchange rate.

Certain items not reported above include the allowance for expected credit losses on mortgage loans, the allowance for credit losses on fixed maturity securities, and the deferred tax asset valuation allowance. See Notes 3 and 9 of the "Notes to Consolidated Financial Statements" contained herein in Item 8 for a discussion of these items.
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Pay vs Performance Disclosure - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pay vs Performance Disclosure      
Net Income $ 1,779.1 $ 1,283.8 $ 1,407.2
XML 54 R32.htm IDEA: XBRL DOCUMENT v3.25.0.1
Insider Trading Arrangements
 3 Months Ended
Dec. 31, 2024
Trading Arrangements, by Individual  
Rule 10b5-1 Arrangement Adopted false
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
XML 55 R33.htm IDEA: XBRL DOCUMENT v3.25.0.1
Signficant Accounting Policies (Policies)
 12 Months Ended
Dec. 31, 2024
Accounting policies and error corrections [Abstract]  
Basis of Presentation Basis of Presentation: The accompanying consolidated financial statements of Unum Group and its subsidiaries (the Company) have been prepared in accordance with U.S. generally accepted accounting principles (GAAP). Such accounting principles differ from statutory accounting principles (see Note 18). Intercompany transactions have been eliminated.
Use of Estimates
Use of Estimates: The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Such estimates and assumptions could change in the future as more information becomes known, which could impact the amounts reported and disclosed herein.

In accordance with standard practice, we regularly review the methodology used in the development of all key estimates. As a result of this review, in 2022, we updated our estimate of the unearned premium reserve for certain of our product lines to utilize a gross unearned premium reserve rather than a net unearned premium reserve. The effect of this change in estimate was to decrease 2022 premium income by $13.4 million and decrease commissions by $1.0 million. This resulted in a decrease to net income of $9.8 million and a decrease to both basic and diluted earnings per share by $0.05.
Fixed Maturity Securities
Fixed Maturity Securities: Fixed maturity securities include long-term bonds and redeemable preferred stocks. Our fixed maturity securities are classified as available-for-sale and reported at fair value. Changes in the fair value of available-for-sale fixed maturity securities, except for amounts related to impairment and credit losses recognized in earnings, are reported as a component of other comprehensive income, net of income tax. Realized investment gains or losses are based upon specific identification of the investments sold.

Interest income is recorded as part of net investment income when earned, using an effective yield method giving effect to amortization of premium and accretion of discount. Included within fixed maturity securities are mortgage-backed and asset-backed securities.  We recognize investment income on these securities using a constant effective yield based on projected prepayments of the underlying loans and the estimated economic life of the securities.  Actual prepayment experience is reviewed periodically, and effective yields are recalculated when differences arise between prepayments originally projected and the actual prepayments received and currently projected.  The effective yield is recalculated on a retrospective basis, and the adjustment is reflected in net investment income. For fixed maturity securities on which collection of investment income is uncertain, we discontinue the accrual of investment income and recognize investment income when interest and dividends are received. Payment terms specified for fixed maturity securities may include a prepayment penalty for unscheduled payoff of the investment.  Prepayment penalties are recognized as investment income when received.

In determining when a decline in fair value below amortized cost of a fixed maturity security is a credit loss, we evaluate available information, both positive and negative, in reaching our conclusions. In particular, we consider the strength of the issuer's balance sheet, its debt obligations and near-term funding requirements, cash flow and liquidity, the profitability of its core businesses, the availability of marketable assets which could be sold to increase liquidity, its industry fundamentals and regulatory environment, and its access to capital markets. Although all available and applicable factors are considered in our analysis, our expectation of recovering the entire amortized cost basis of the security, whether we intend to sell the security, whether it is more likely than not that we will be required to sell the security before recovery of its amortized cost, and whether the security is current on principal and interest payments are the most critical factors in determining whether impairments represent credit losses. The significance of the decline in value is also an important factor, but we generally do not record an impairment loss based solely on this factor, since often other more relevant factors will impact our evaluation of a security.

For securities with a decline in fair value below amortized cost which we intend to sell or more likely than not will be required to sell before recovery in value, the amortized cost of the investment is written down to fair value through earnings, and an impairment loss is recognized in the current period. For securities that we believe are impaired and which we do not intend to
sell and it is not more likely than not that we will be required to sell before recovery in value, we calculate an allowance for credit losses recognized in earnings which generally represents the difference between the amortized cost of the security and the present value of our best estimate of cash flows expected to be collected, discounted using the effective interest rate implicit in the security at the date of acquisition and limited by the difference between amortized cost and fair value of the security. For fixed maturity securities for which we have recognized an allowance for credit loss through earnings, if through subsequent evaluation there is a significant increase in expected cash flows, the allowance is reduced and is recognized as a reduction to credit losses in the current period. When an allowance for credit losses on a fixed maturity security is recognized, we designate non-accrual status for those securities.  We reverse all previously accrued interest through interest income and use a cash basis method for recognizing any future payments received. See Notes 2 and 3.
Mortgage Loans
Mortgage Loans: Mortgage loans are generally held for investment and are carried at amortized cost less an allowance for expected credit losses. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. Prepayment penalties are recognized as investment income when received. For mortgage loans on which collection of interest income is uncertain, we discontinue the accrual of interest and recognize it in the period when an interest payment is received. We typically do not resume the accrual of interest on mortgage loans on nonaccrual status until there are significant improvements in the underlying financial condition of the borrower. We consider a loan to be delinquent if full payment is not received in accordance with the contractual terms of the loan.

We evaluate each of our mortgage loans individually for impairment and assign an internal credit quality rating based on a comprehensive rating system used to evaluate the credit risk of the loan. Although all available and applicable factors are considered in our analysis, loan-to-value and debt service coverage ratios are the most critical factors in determining impairment. We estimate an allowance for credit losses that we expect to incur over the life of our mortgage loans using a probability of default method. For each loan, we estimate the probability that the loan will default before its maturity (probability of default) and the amount of the loss if the loan defaults (loss given default). These two factors result in an expected loss percentage that is applied to the amortized cost of each loan to determine the expected credit loss. As we are typically the original underwriter of the mortgage loans, the amortized cost generally equals the principal amount of the loan. We measure losses on defaults of our mortgage loans as the excess amortized cost of the mortgage loan over the fair value of the underlying collateral in the event that we foreclose on the loan or over the expected future cash flows of the loan if we retain the mortgage loan until payoff. We do not purchase mortgage loans with existing credit impairments.

In estimating the probability of default, we consider historical experience, current market conditions, and reasonable and supportable forecasts about the future market conditions. We utilize our historical loan experience in combination with a large third-party industry database for a period of time that aligns with the average life of our loans based on the maturity dates of the loans and prepayment experience. Our model utilizes an industry database of the historical loss experience based on our actual portfolio characteristics such as loan-to-value, debt service coverage, collateral type, geography, and late payment history. In addition, because we actively manage our portfolio, we may extend the term of a loan in certain situations and will accordingly extend the maturity date in the estimate of probability of default. In estimating the loss given default, we primarily consider the type and value of collateral and secondarily the expected liquidation costs and time to recovery.

The primary market factors that we consider in our forecast of future market conditions are gross domestic product, unemployment rates, interest rates, inflation, commercial real estate values, household formation, and retail sales. We also forecast certain loan specific factors such as growth in the fair value and net operating income of collateral by property type. We include our estimate of these factors over a two-year period and for the remainder of the loans’ estimated lives, adjusted for estimated prepayments. Past the two-year forecast period, we revert to the historical assumptions ratably by the end of the fifth year of the loan after which we utilize only historical assumptions.

We utilize various scenarios to estimate our allowance for expected losses ranging from a base case scenario that reflects normal market conditions to a severe case scenario that reflects adverse market conditions. We will adjust our allowance each period to utilize the scenario or weighting of the scenarios that best reflects our view of current market conditions. Additions and reductions to our allowance for credit losses on mortgage loans are reported as a component of net investment gains and losses. See Note 3.
Policy Loans Policy Loans: Policy loans are presented at the unpaid balances directly related to policyholders. Interest income is accrued on the principal amount of the loan based on the loan's contractual interest rate. Included in policy loans are $3,313.6 million and $3,322.5 million of policy loans ceded to reinsurers at December 31, 2024 and 2023, respectively.
Investments
Other Long-term Investments: Other long-term investments are comprised primarily of private equity partnerships, real estate, perpetual preferred stock, common stock, tax credit partnerships, and derivatives - which are described in "Derivative Financial Instruments" below.

Our investments in private equity partnerships are passive in nature and represent funds that are primarily invested in private credit, private equity, and real assets. We account for our investments in these partnerships using either the equity method or at fair value through net income depending on the level of ownership and the degree of our influence over partnership operating and financial policies. For investments in partnerships accounted for under the equity method, we report our investments at our share of the partnership's net asset value (NAV) and record our portion of partnership earnings as a component of net investment income. For investments in partnerships accounted for at fair value through net income, we also report our investments at our share of the partnership's NAV as a practical expedient for fair value with increases or decreases recorded as a component of net investment income. Distributions received from the funds arise from income generated by the underlying investments as well as the liquidation of the underlying investments and there is generally not a public market for these investments.

Investment real estate is primarily comprised of property held for the production of income and property held for sale. Property held for the production of income is carried at cost less accumulated depreciation and any write-downs to fair value for impairment losses. Depreciation is recorded on a straight-line basis over the estimated useful life of the asset. A review for impairment is made whenever events or circumstances indicate that the carrying value may not be recoverable. An impairment loss is recognized when the carrying value of the property exceeds the expected undiscounted cash flows generated from the property, at which point the carrying value is written down to an estimated fair value. Real estate held for sale is carried at the lower of depreciated cost or fair value less estimated selling costs and is not further depreciated once classified as such.

Our perpetual preferred stocks are valued at fair value, based on quoted market prices, where available. For preferred stocks not actively traded, fair values are estimated using values obtained from independent pricing services. Our investments in common stock are valued at fair value. Our shares of Federal Home Loan Bank (FHLB) common stock are carried at cost, which approximates fair value.

Tax credit partnerships in which we have invested were formed for the purpose of investing in the construction and rehabilitation of low-income housing.  Because the partnerships are structured such that there is no return of principal, the primary sources of investment return from our tax credit partnerships are tax credits and tax benefits derived from passive losses on the investments, both of which may exhibit variability over the life of the investment.  These partnerships are accounted for using either the proportional or the effective yield method, depending primarily on whether the tax credits are guaranteed through a letter of credit, a tax indemnity agreement, or another similar arrangement. Tax credits received from these partnerships are reported in our consolidated statements of income as either a reduction of premium tax or a reduction of income tax. The amortization of the principal amount invested in these partnerships is reported as a component of either premium tax or income tax.

See Notes 2, 3, and 4 for further discussion of our other long-term investments.
Short-term Investments: Short-term investments are carried at cost. Short-term investments include investments maturing within one year of purchase, such as corporate commercial paper and Treasury bills, bank term deposits, and other cash accounts and cash equivalents earning interest.
Cash and Bank Deposits Cash and Bank Deposits: Cash and bank deposits include cash on hand and non-interest bearing cash and deposit accounts.
Derivative Financial Instruments
Derivative Financial Instruments: Derivative financial instruments (including certain derivative instruments embedded in other contracts) are recognized as either other long-term investments or other liabilities in our consolidated balance sheets and are reported at fair value. The accounting for a derivative depends on whether it has been designated and qualifies as part of a
hedging relationship, and further, on the type of hedging relationship. To qualify for hedge accounting, at the inception of the hedging transaction, we formally document the risk management objective and strategy for undertaking the hedging transaction, as well as the designation of the hedge as either a fair value hedge or a cash flow hedge. Included in this documentation is how the hedging instrument is expected to hedge the designated risk related to specific assets or liabilities on the balance sheet or to specific forecasted transactions as well as a description of the method that will be used to retrospectively and prospectively assess the hedging instrument's effectiveness.

A derivative designated as a hedging instrument must be assessed as being highly effective in offsetting the designated risk of the hedged item. Hedge effectiveness is formally assessed at inception and periodically throughout the life of the designated hedging relationship, using qualitative and quantitative methods. Qualitative methods include comparison of critical terms of the derivative to the hedged item. Quantitative methods include regression or other statistical analysis of changes in fair value or cash flows associated with the hedge relationship.

Changes in the fair value of a derivative designated as a fair value hedge and changes in the fair value of the hedged item attributable to the risk being hedged are recognized in earnings as a component of net investment gain or loss during the period of change in fair value.  For gains or losses on the derivative instrument that are excluded from the assessment of hedge effectiveness, those gains and losses are recognized in other comprehensive income or loss and amortized into earnings in the same income statement line as the related hedged item. The gain or loss on the termination of a fair value hedge is recognized in earnings as a component of net investment gain or loss during the period in which the termination occurs. When interest rate swaps are used in hedge accounting relationships, periodic settlements are recorded in the same income statement line as the related settlements of the hedged items.

Changes in the fair value of a derivative designated as a cash flow hedge are reported in other comprehensive income and reclassified into earnings and reported on the same income statement line item as the hedged item and in the same period or periods during which the hedged item affects earnings. The gain or loss on the termination of an effective cash flow hedge is reported in other comprehensive income and reclassified into earnings and reported on the same income statement line item as the hedged item and in the same period or periods during which the hedged item affects earnings.

Gains or losses on the termination of ineffective fair value or cash flow hedges are reported in earnings as a component of net investment gain or loss. In the event a hedged item is disposed of or the anticipated transaction being hedged is no longer likely to occur, we will terminate the related derivative and recognize the gain or loss on termination in current earnings as a component of net investment gain or loss. In the event a hedged item is disposed of subsequent to the termination of the hedging transaction, we reclassify any remaining gain or loss on the hedge out of accumulated other comprehensive income (loss) (AOCI) into earnings as a component of the same income statement line item wherein we report the gain or loss on disposition of the hedged item.

For a derivative not designated as a hedging instrument, changes in the fair value of the derivative, together with the payment of periodic fees, if applicable, are recognized in the same income statement line item as the hedged item during the period of change in fair value.

Cash flows related to derivative contracts are included in the consolidated statements of cash flows, coinciding with the timing of the underlying exposure. Cash inflows are included as a component of proceeds from sales and maturities of other investments. Cash outflows are included as a component of purchases of other investments.
In our consolidated balance sheets, we do not offset fair value amounts recognized for derivatives executed with the same counterparty under a master netting agreement and fair value amounts recognized for the right to reclaim cash collateral or the obligation to return cash collateral arising from those master netting agreements. See Notes 2, 3, and 4.
Fair Value Measurement
Fair Value Measurement: Certain assets and liabilities are reported at fair value in our consolidated balance sheets and in our notes to our consolidated financial statements. We define fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Therefore, fair value represents an exit price, not an entry price. The exit price objective applies regardless of our intent and/or ability to sell the asset or transfer the liability at the measurement date. Assets or liabilities with readily available actively quoted prices or for
which fair value can be measured from actively quoted prices in active markets generally have more pricing observability and less judgment utilized in measuring fair value. When actively quoted prices are not available, fair values are based on quoted prices in markets that are not active, quoted prices for similar but not identical assets or liabilities, or other observable inputs. If observable inputs are not available, unobservable inputs and/or adjustments to observable inputs requiring management judgment are used to determine fair value. We categorize our assets and liabilities measured at estimated fair value into a three-level hierarchy, based on the significance of the inputs. The fair value hierarchy gives the highest priority to inputs which are unadjusted and represent quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3). See Note 2.
Allowance for Credit Losses on Premiums Receivable
Allowance for Credit Losses on Premiums Receivable: We establish an allowance for credit losses on premiums receivable, which is deducted from the gross amount of our receivable balance, to present the net amount we expect to collect on this asset. The allowance is forward-looking in nature and is calculated based on considerations regarding both historical events and future expectations. Periodic changes in the allowance are recorded through earnings.
The allowance on our premiums receivable is primarily determined using an aging analysis as well as historical lapse and delinquency rates by product line, adjusted for key factors that may impact our future expectation of premium receipts such as changes in customer demographics, business practices, economic conditions, and product offerings. We write off premiums receivable amounts when determined to be uncollectible, which is based on various factors, including the aging of premiums receivable past the due date and specific communication with customers. At December 31, 2024, and 2023, the allowance for expected credit losses on premiums receivable was $26.8 million and $29.5 million, respectively, on gross premiums receivable of $584.1 million and $612.4 million, respectively. The decrease in the allowance of $2.7 million during the year ended December 31, 2024 was driven primarily by the decrease in gross premiums receivable. The decrease in the allowance of $3.0 million during the year ended December 31, 2023 was driven primarily by improvements in the age of premiums receivable.
Deferred Acquisition Costs
Deferred Acquisition Costs: Incremental direct costs associated with the successful acquisition of new or renewal insurance contracts have been deferred. Such costs include non-level commissions, other agency compensation, certain selection and policy issue expenses, and certain field expenses. Acquisition costs that do not vary with the production of new business, such as commissions on group products which are generally level throughout the life of the policy, are excluded from deferral.

Our insurance contracts are grouped by product type and contract issue year into cohorts consistent with the grouping used to estimate the related contract liabilities. Deferred acquisition costs (DAC) are amortized on a constant level basis over the life of the policy. For all products, in-force volume metrics are used as the constant level basis. The lapse and mortality assumptions used to amortize DAC for our traditional long-duration products are consistent with the assumptions used to estimate the liability for future policy benefits. The underlying assumptions used to determine DAC amortization are updated concurrently with any related assumption changes for the liability for future policy benefits and changes in estimates are recognized prospectively over the remaining expected term of the related contracts. Amortization expense is adjusted based on actual versus expected experience through an adjustment to the prospective rate of amortization.

For certain products, policyholders can elect to modify product benefits, features, rights, or coverages by exchanging a contract for a new contract or by amendment, endorsement, or rider to a contract, or by the election of a feature or coverage within a contract. These transactions are known as internal replacement transactions, principally on group contracts. Internal replacement transactions wherein the modification does not substantially change the policy are accounted for as continuations of the replaced contracts. The original policy continues to be reflected as an in-force policy within its original cohort. The policy's expected life then impacts the amortization of remaining unamortized deferred acquisition costs within its cohort. The costs of replacing the policy are accounted for as policy maintenance costs and expensed as incurred. Internal replacement transactions that result in a policy that is substantially changed are accounted for as an extinguishment of the original policy and the issuance of a new policy. The original policy that was replaced is terminated from its original cohort and this termination is reflected in the amortization rate of remaining unamortized deferred acquisition costs for the cohort. The costs of acquiring the new policy are capitalized and amortized as part of a new cohort. See Note 8.
Goodwill
Goodwill: Goodwill is the excess of the amount paid to acquire a business over the fair value of the net assets acquired. We review the carrying amount of goodwill for impairment on an annual basis, or more frequently if events or changes in
circumstances indicate that the carrying amount might not be recoverable. Goodwill impairment testing compares the fair value of a reporting unit with its carrying amount, including goodwill.  If the fair value of the reporting unit to which the goodwill relates is less than the carrying amount of the reporting unit, an impairment charge is recognized for the amount by which the carrying amount exceeds the fair value of the reporting unit in an amount not to exceed the total amount of goodwill allocated to the reporting unit.
Property and Equipment Property and Equipment: Property and equipment is reported at cost less accumulated depreciation, which is calculated on the straight-line method over the estimated useful life. The accumulated depreciation for property and equipment was $1,501.3 million and $1,422.8 million as of December 31, 2024 and 2023, respectively.
Value of Business Acquired
Value of Business Acquired: Value of business acquired represents the present value of future profits recorded in connection with the acquisition of a block of insurance policies. The asset is amortized based upon expected future premium income for non-interest sensitive insurance policies and estimated future gross profits from surrender charges, mortality margins, investment returns, and expense margins for interest sensitive insurance policies. The value of business acquired, which is included in other assets in our consolidated balance sheets, was $55.1 million and $63.9 million at December 31, 2024 and 2023, respectively. The accumulated amortization for value of business acquired was $165.5 million and $161.8 million as of December 31, 2024 and 2023, respectively.

The amortization of value of business acquired, which is included in other expenses in the consolidated statements of income, was $6.2 million, $5.2 million, and $4.9 million for the years ended December 31, 2024, 2023, and 2022, respectively. We
periodically review the carrying amount of value of business acquired and it is subject to recoverability testing.
Future Policy Benefits
Future Policy Benefits: Liabilities for future policy benefits represent the cost of claims that we estimate we will eventually pay to our policyholders which includes policy liabilities for claims not yet incurred and for claims that have been incurred or are estimated to have been incurred but not yet reported to us. Liabilities for future policy benefits also include the related expenses for our non interest-sensitive life and accident and health products. The liability for future policy benefits is calculated based on the present value of the estimated future policy benefits less the present value of estimated future net premiums collected. Net premiums represent the portion of the gross premium required to provide for all benefits and expenses, excluding acquisition costs or any costs that are required to be charged to expense as incurred. In calculating the liability for future policy benefits, our long-duration contracts are grouped into cohorts by product type and contract issue year.

The calculation of the liability for future policy benefits involves numerous assumptions including assumptions related to discount rate, lapses, mortality, and morbidity. The discount rate assumptions were initially set based on the expected investment yield of the assets supporting the reserves at the transition date of accounting standards update (ASU) 2018-12, which was January 1, 2021, for policies originally issued before the transition date. The discount rate assumptions for new cohorts established after the transition date, are initially set based on the policy issuance date or policy renewal date, and are based on an upper-medium grade fixed-income instrument, which is generally equivalent to a single-A interest rate matched to the duration of our insurance liabilities. As cohorts are grouped by product type and issue year, a weighted average discount rate is utilized as policies are issued or renewed throughout the year. We utilize a reference portfolio of fixed-income instruments that have been A-rated by one of the major credit rating agencies. For products with liability cash flows that exceed the duration of observable single-A fixed income instruments, we use the last market observable yield and use extrapolation approaches to determine yield assumptions for durations beyond the last market observable duration. For the discount rate assumptions for products in our Unum International segment, we utilize observable market data in the local debt markets in the UK and Poland.
The initial, also referred to as the original, discount rate assumptions established for each cohort are used to determine interest accretion which is reported as a component of policy benefits on the statements of income. After policy issuance or policy renewal, the discount rate assumptions are updated quarterly and used to update the liability at each reporting date to the current discount rate, with the corresponding change reflected as the change in the effect of discount rate assumptions on the liability for future policy benefits, net of reinsurance, on the statement of changes in other comprehensive income (loss). Policyholder lapse and mortality assumptions reflect the probability that an insureds’ coverage is discontinued due to lapsation or death of the insured. For our life insurance products, mortality assumptions also reflect the probability that a benefit payment occurs. Policyholder lapse and mortality assumptions are based on our actual historical experience adjusted for future expectations. Claim incidence and claim resolution rate assumptions related to morbidity and mortality are based on actual experience or industry standards adjusted as appropriate to reflect our actual experience and future expectations. The claim incidence rate assumption is the rate at which new claims are submitted and the development of this assumption may involve many factors, including the age of the insured, the insured's occupation or industry, the benefit plan design, and certain external factors such as consumer confidence and levels of unemployment. The claim resolution rate assumption is the probability that a claim will close due to recovery or death of the insured and is used to estimate how long benefits will be paid on an open claim. Certain product lines may utilize additional assumptions in calculating the liability for future policy benefits in addition to those listed above such as premium rate increases for long-term care, benefit offsets for long-term disability, and claim costs for voluntary benefits. Claim costs capture the combined effect of the incidence rate, the expected level of benefit to be paid, and the claim resolution rate.

Cash flow assumptions are reviewed and updated, as needed, at least annually. Assumptions may be updated more frequently if necessary based on trending experience and future expectations. On a quarterly basis, cohort level cash flow measures are updated based on the emergence of actual experience. The updated cash flows are used to determine the updated net premiums and the net premium ratio, which is the present value of benefits and related expenses divided by the present value of gross premiums. The updated net premium ratio is used to calculate the updated liability for future policy benefits as of the beginning of the year, at the original discount rate. The change in the liability for future policy benefits, at the original discount rate, as of the beginning of the period, resulting from changes in cash flow assumptions and resulting from the emergence of actual experience from expected experience, is reflected as the policy benefits - remeasurement loss (gain) in the consolidated statements of income. The impact of all other changes in the liability for future policy benefits are reflected as policy benefits in the consolidated statements of income.

For most products, a net premium methodology is applied to each cohort to estimate the liability for claims not yet incurred in which discounted gross benefits are compared to discounted gross premiums. In this methodology, actual experience to date is combined with projected future cash flows to determine a net premium ratio for each cohort. The future cash flows include the costs of future expected claims as well as future cash flows on claims that have already been incurred. The net premium ratio is then used to estimate the liability for future policy benefits. The liability for future policy benefits represents the present value of future claims and associated expenses less the present value of future net premiums, which is derived by multiplying the present value of future gross premium by the net premium ratio.

For our group products in the Unum US and Unum International segments, we evaluate the liability for future policy benefits required for active policies in comparison to incurred claims. Given the term nature of the products, their renewal features, and level funding nature of the premium for these products, we have determined that the liability value is generally zero for policies that are not on claim. For these products, our liability for future policy benefit values are limited to the liability associated with claims incurred as of the valuation date.

Multiple estimation methods exist to establish liabilities for the incurred claim component of future policy benefits. Available reserving methods utilized to calculate these liabilities include the tabular reserve method, the paid loss development method, the incurred loss development method, the count and severity method, and the expected claim cost method. No single method is better than the others in all situations and for all product lines. The estimation methods we have chosen are those that we believe produce the most accurate and reliable liability.

We use a tabular reserve methodology on reported claims for our Unum US group long-term disability and individual disability claims as well as for our Closed Block long-term care claims. Under the tabular reserve methodology, the liability for reported claims is based on certain characteristics of the actual reported claimants and their related policy provisions, such
as age, length of time disabled, and medical diagnosis, as well as assumptions regarding claim duration, discount rate, and policy benefit offsets. We believe the tabular reserve method is the most accurate to calculate long-term liabilities and allows us to use the most available known facts about each claim. Incurred, but not reported (IBNR) liabilities for future policy benefits for our longer-term products are calculated using the count and severity method using historical patterns of the claims to be reported and the associated claim costs. For Unum US group short-term disability products, an estimate of the value of future payments to be made on claims already submitted, as well as on IBNR claims, is determined in aggregate using a paid loss development method rather than on the individual claimant basis that we use for reported claims on longer-term products. The average length of time between the event triggering a claim under a policy and the final resolution of those claims is much shorter for these products and results in less estimation variability.

Liabilities for claims for Unum US group life and accidental death and dismemberment products are related primarily to death claims reported but not yet paid, IBNR death claims, and a liability for waiver of premium benefits in the event the policyholder becomes disabled. The death claim liability is based on the actual face amount to be paid, the IBNR liability is calculated using the count and severity method based on historical patterns of the claims, and the waiver of premium benefits liability is calculated using the tabular reserve methodology.

Liabilities for claims related to the group and individual dental and vision products reported in our Unum US and Colonial Life segments have a short claim payout period. As a result, the liabilities, which primarily represent IBNR and a small amount of claims pending payment, are calculated using the paid loss development method.

Liabilities for future policy benefits supporting the group products within our Unum International segment are calculated using generally the same methodology that we use for Unum US group disability and group life liabilities. Liabilities for future policy benefits for our Unum UK group life dependent product, which provides an annuity to the beneficiary upon the death of an employee, are calculated using discounted cash flows, based on our assumptions for claim duration and discount rates. The assumptions used in calculating liabilities for future policy benefits for this segment are based on standard country-specific industry experience, adjusted for our own experience.

Certain products in the Colonial Life segment and the Unum US voluntary benefits product line have shorter-term benefits, which generally have less estimation variability than our longer-term products because of the shorter claim payout period. Our liabilities for future policy benefits for these lines of business are predominantly determined using the incurred loss development method based on our own experience. The incurred loss development method uses the historical patterns of payments by loss date to predict future claim payments for each loss date. Where the incurred loss development method may not be appropriate, we estimate the incurred claims using an expected claim cost per policy or other measure of exposure. See Note 6.
Policyholders' Account Balances
Policyholders' Account Balances: Policyholders' account balances primarily include our universal life and corporate-owned life insurance products. Policyholders' account balances reflect customer deposits and interest credited less cost of insurance, administration expenses, surrender charges, and customer withdrawals. Our unearned revenue reserve, claim reserves and certain other reserves related to our universal life products and corporate-owned life insurance products are also reported as a component of policyholders’ account balances. Policyholders' account balances require loss recognition testing. We perform loss recognition tests on these reserves annually, or more frequently if appropriate, using best estimate assumptions as of the date of the test, without a provision for adverse deviation. We group the policy reserves for each major product line within a reportable segment when we perform the loss recognition tests. If the excess of the present value of projected future benefits and claim settlement expenses over the present value of projected future gross premiums is greater than the existing policy reserves less any unearned revenue reserve or value of business acquired, the existing policy reserves would be increased to immediately recognize the insufficiency. This becomes the new basis for reserves going forward, subject to future loss recognition testing. Anticipated investment income, based on our anticipated portfolio yield rates after consideration for defaults and investment expenses, is considered when performing loss recognition testing for long-duration contracts. See note 7.
Policyholders' Funds
Other Policyholders' Funds: Other policyholders' funds represent customer deposits plus interest credited at contract rates. We control interest rate risk by investing in quality assets which have an aggregate duration that closely matches the expected duration of the liabilities.
Income Tax Income Tax: Deferred taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial statement purposes and the amounts used for income tax purposes. Deferred taxes have been measured using enacted statutory income tax rates and laws that are currently in effect. We record adjustments to our deferred taxes resulting from tax rate changes through income as of the date of enactment. We record deferred tax assets for tax positions taken in the U.S. and other tax jurisdictions based on our assessment of whether a position is more likely than not to be sustained upon examination based solely on its technical merits.  A valuation allowance is established for deferred tax assets when it is more likely than not that an amount will not be realized. We record tax expense related to Global Intangible Low-Taxed Income in the period in which it is incurred. We follow an aggregate portfolio approach to release disproportionate tax effects from AOCI upon disposal of an entire portfolio. See Note 9.
Short-term and Long-term Debt
Short-term and Long-term Debt: Debt is generally carried at the unpaid principal balance, net of unamortized discount or premium and deferred debt issuance costs. Short-term debt consists of debt due within the next twelve months, including that portion of debt otherwise classified as long-term. The amortization of the original issue discount or premium as well as deferred debt issuance costs are recognized as a component of interest expense over the period the debt is expected to be outstanding. See Note 10.
Right-of-Use Asset (ROU) and Lease Liability
Right-of-Use Asset (ROU) and Lease Liability: ROU assets represent our right to use an underlying asset for a specified lease term and are included in other assets in our consolidated balance sheet. Lease liabilities represent the present value of lease payments that we are obligated to pay arising from a lease and are included in other liabilities in our consolidated balance sheets.

We determine if an arrangement is a lease at inception through a formal process that evaluates our right to control the use of an identified asset for a period of time in exchange for consideration. We account for the lease and non-lease components of our building leases separately and have elected to use the available practical expedient to account for the lease and non-lease components of our equipment leases as a single component. All of our leases are classified as operating. For each operating lease, we calculate a lease liability at commencement date based on the present value of lease payments over the lease term and a corresponding ROU asset, adjusted for lease incentives. We do not recognize ROU assets and lease liabilities that arise from short-term leases for any class of underlying asset.

We consider the likelihood of renewal in determining the lease terms for the calculation of the ROU asset and lease liability. As most of our leases do not provide an implicit rate of interest, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. We use the implicit rate of interest when readily determinable.

Operating lease cost is calculated on a straight-line basis over the lease term and is included in other expenses in our consolidated statements of income. We amortize the ROU asset over the lease term on a pattern determined by the difference between the straight-line lease liability expense and the accretion of the imputed interest calculated on the lease liability. See Note 17.
Separation of Lease and Nonlease Components We account for the lease and non-lease components of our building leases separately and have elected to use the available practical expedient to account for the lease and non-lease components of our equipment leases as a single component.
Short-term Leases We do not recognize ROU assets and lease liabilities that arise from short-term leases for any class of underlying asset.
Treasury Stock and Retirement of Common Stock
Treasury Stock and Retirement of Common Stock: Treasury stock is reflected as a reduction of stockholders' equity at cost when repurchased shares are settled. When shares are retired, the par value is removed from common stock, and the excess of the repurchase price over par is allocated between additional paid-in capital and retained earnings. See Note 12.
Revenue Recognition
Revenue Recognition: Our non-interest sensitive life and accident and health products are long-duration contracts, and premium income is recognized as revenue when due from policyholders. If the contracts are experience rated, the estimated ultimate premium is recognized as revenue over the period of the contract. The estimated ultimate premium, which is revised to reflect current experience, is based on estimated claim costs, expenses, and profit margins.
For interest sensitive products, the amounts collected from policyholders are considered deposits, and only the deductions during the period for cost of insurance, policy administration, and surrenders are included in revenue. Policyholders' funds represent funds deposited by contract holders and are not included in revenue.
Revenue from Service Fees Fees from our solutions business, which include leave management services and administrative-services only business are reported as other income when services are rendered.
Reinsurance
Reinsurance: We routinely enter into reinsurance agreements with other insurance companies to spread risk and thereby limit losses from large exposures. For each of our reinsurance agreements, we determine if the agreement provides indemnification against loss or liability relating to insurance risk in accordance with applicable accounting standards. If we determine that a reinsurance agreement does not expose the reinsurer to a reasonable possibility of a significant loss from insurance risk, we record the agreement using the deposit method of accounting.

Reinsurance activity is accounted for on a basis consistent with the terms of the reinsurance contracts and the accounting used for the original policies issued. Premium income, policy benefits, and policy benefits - remeasurement gain or loss are presented in our consolidated statements of income net of reinsurance ceded. Ceded liabilities for future policy benefits, policyholders' account balances and unearned premiums are reported on a gross basis in our consolidated balance sheets, as are ceded policy loans. Our reinsurance recoverable includes the balances due from reinsurers under the terms of the reinsurance agreements for these ceded balances as well as settlement amounts currently due.

For ceded reinsurance transactions occurring after January 1, 2021, the transition date of ASU 2018-12, in accordance with the provisions of the ASU related to non-contemporaneous reinsurance, we are required to establish the ceded reserves using an upper-medium grade fixed-income instrument as of the reinsurance transaction date. However, the direct reserves for the reinsured block are calculated using the original discount rate utilized as of the transition date. Both the direct and ceded reserves are then remeasured at each reporting period using a current discount rate reflective of an upper-medium grade fixed-income instrument, with the changes recognized in other comprehensive income(loss). While the total equity impact is neutral, the different original discount rates utilized for direct and ceded reserves result in disproportionate earnings impacts.
Where applicable, gains or costs recognized on reinsurance transactions are generally deferred and amortized into earnings based upon expected future premium income for non-interest sensitive insurance policies and estimated future gross profits for interest sensitive insurance policies. Gains or costs recognized on reinsurance transactions for non-interest sensitive products for which we no longer receive premiums are generally deferred and amortized into earnings based upon expected claim reserve patterns. The cost of reinsurance included in other assets in our consolidated balance sheets at December 31, 2024 and 2023 was $508.0 million and $549.4 million. The deferred gain on reinsurance included in other liabilities in our consolidated balance sheets at December 31, 2024 and 2023 was $4.9 million and $8.8 million, respectively.

Under ceded reinsurance agreements wherein we are not relieved of our legal liability to our policyholders, if the assuming reinsurer is unable to meet its obligations, we remain contingently liable. We evaluate the financial condition of reinsurers and monitor concentration of credit risk to minimize this exposure. We may also require assets in trust, letters of credit, or other acceptable collateral to support our reinsurance recoverable balances. We estimate an allowance for expected credit losses for our reinsurance recoverable balance using a probability of default approach which incorporates key inputs and assumptions regarding market factors, counterparty credit ratings, and collateral received. When calculating our allowance, we apply these market factors to the net amount of our credit exposure, which considers collateral arrangements such as letters of credit and trust accounts. We evaluate the factors used to determine our allowance on a quarterly basis to consider material changes in our assumptions and make adjustments accordingly. The allowance for expected credit losses on reinsurance recoverable was $1.5 million at December 31, 2024 and $1.7 million at December 31, 2023. See Note 14.
Premium Tax Expense
Premium Tax Expense: Premium tax expense is included in other expenses in the consolidated statements of income. For the years ended December 31, 2024, 2023, and 2022, premium tax expense was $194.5 million, $183.5 million, and $169.3 million, respectively.
Stock-Based Compensation
Stock-Based Compensation: Restricted stock units and stock success units are valued based on the fair value of common stock at the grant date. The fair value of performance units and cash incentive units is based on the Monte-Carlo valuation model. We evaluate whether there are any events which would require an adjustment to the price of common stock at the grant
date. No adjustments have been made to any grant date prices for any awards as of December 31, 2024 or 2023. Stock-based awards are expensed over the requisite service period, or for performance units over the requisite service period, or remaining service period, if and when it becomes probable that the performance conditions will be satisfied, with an offsetting increase to additional paid-in capital in stockholders' equity. The expense for certain of our awards is subject to accelerated recognition over the implicit service period for employees who have met the criteria for retirement eligibility. Forfeitures of stock-based awards are recognized as they occur. See Note 13.
Earnings Per Share
Earnings Per Share: We compute basic earnings per share by dividing net income by the weighted average number of common shares outstanding for the period. Earnings per share assuming dilution is computed by dividing net income by the weighted average number of shares outstanding for the period plus the shares representing the dilutive effect of stock-based awards. In computing earnings per share assuming dilution, only potential common shares resulting from stock-based awards that are dilutive (those that reduce earnings per share) are included. We use the treasury stock method to account for the effect of nonvested stock awards on the computation of earnings per share assuming dilution. See Note 12.
Translation of Foreign Curency
Translation of Foreign Currency: Revenues and expenses of our foreign operations are translated at average exchange rates. Assets and liabilities are translated at the rate of exchange on the balance sheet dates. The translation gain or loss is generally reported in AOCI, net of income tax. We do not provide for deferred taxes to the extent unremitted foreign earnings are deemed permanently invested.
Accounting for Participating Individual Life Insurance
Accounting for Participating Individual Life Insurance: Participating policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual to a stock life insurance company will remain participating as long as the policies remain in-force. A Participation Fund Account (PFA) was established for the benefit of all such individual participating life and annuity policies and contracts. The assets of the PFA provide for the benefit, dividend, and certain expense obligations of the participating individual life insurance policies and annuity contracts. The assets of the PFA were $231.3 million and $244.4 million at December 31, 2024 and 2023, respectively.
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Fair Values of Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2024
Fair Value Disclosures [Abstract]  
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share
The following tables present additional information about our private equity partnerships, including commitments for additional investments which may or may not be funded:

December 31, 2024
Investment CategoryFair ValueRedemption Term / Redemption NoticeUnfunded Commitments
(in millions of dollars)(in millions of dollars)
Private Credit(a)$236.9 Not redeemable$118.9 
52.3 Quarterly / 90 days notice10.3 
Total Private Credit289.2 129.2 
Private Equity(b)604.1 Not redeemable398.2 
36.1 Initial 5.5 year lock on each new investment / Quarterly after 5.5 year lock with 90 days notice11.0
Total Private Equity640.2 409.2 
Real Assets(c)486.6 Not redeemable230.1 
34.6 Quarterly / 90 days notice— 
Total Real Assets521.2 230.1 
Total Partnerships$1,450.6 $768.5 
December 31, 2023
Investment CategoryFair ValueRedemption Term / Redemption NoticeUnfunded Commitments
(in millions of dollars)(in millions of dollars)
Private Credit(a)$239.1 Not redeemable$128.2 
44.5 Quarterly / 90 days notice8.6 
Total Private Credit283.6 136.8 
Private Equity(b)543.9 Not redeemable410.6 
28.0 Initial 5.5 year lock on each new investment / Quarterly after 5.5 year lock with 90 days notice16.6
Total Private Equity 571.9 427.2 
Real Assets(c)437.5 Not redeemable239.1 
33.2 Quarterly / 90 days notice— 
Total Real Assets470.7 239.1 
Total Partnerships$1,326.2 $803.1 

(a)Private Credit - The limited partnerships described in this category employ various investment strategies, generally providing direct lending or other forms of debt financing including first-lien, second-lien, mezzanine, and subordinated loans. The limited partnerships have credit exposure to corporates, physical assets, and/or financial assets within a variety of industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail) in North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 78 percent in the next 3 years, 12 percent during the period from 3 to 5 years, and 10 percent during the period from 5 to 10 years.

(b)Private Equity - The limited partnerships described in this category employ various strategies generally investing in controlling or minority control equity positions directly in companies and/or assets across various industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail), primarily in private markets within North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 27 percent during the period from 3 to 5 years, 36 percent during the period from 5 to 10 years, and 1 percent during the period from 10 to 15 years.

(c)Real Assets - The limited partnerships described in this category employ various strategies, which include investing in the equity and/or debt financing of physical assets, including infrastructure (energy, power, water/wastewater, communications), transportation (including airports, ports, toll roads, aircraft, railcars) and real estate in North America, Europe, South America, and Asia.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 26 percent during the period from 3 to 5 years, and 38 percent during the period from 5 to 10 years.
Fair Values by Fair Value Hierarchy Input Level
The following tables present information about financial instruments measured at fair value on a recurring basis by fair value level, based on the observability of the inputs used.
 December 31, 2024
 Level 1Level 2Level 3NAVTotal
(in millions of dollars)
Assets
Fixed Maturity Securities
United States Government and Government Agencies and Authorities$77.9 $452.6 $— $— $530.5 
States, Municipalities, and Political Subdivisions— 3,291.4 — — 3,291.4 
Foreign Governments— 768.1 — — 768.1 
Public Utilities174.5 5,118.4 — — 5,292.9 
Mortgage/Asset-Backed Securities1
— 843.7 73.5 — 917.2 
All Other Corporate Bonds3,928.1 20,822.6 71.5 — 24,822.2 
Redeemable Preferred Stocks— 7.6 — — 7.6 
Total Fixed Maturity Securities4,180.5 31,304.4 145.0 — 35,629.9 
Other Long-term Investments
Derivatives
Forwards— 6.5 — — 6.5 
Foreign Currency Interest Rate Swaps
— 72.9 — — 72.9 
Embedded Derivative in Modified Coinsurance Arrangement
— — 11.5 — 11.5 
Total Derivatives— 79.4 11.5 — 90.9 
Perpetual Preferred and Equity Securities— 0.1 24.4 — 24.5 
Private Equity Partnerships— — — 1,450.6 1,450.6 
Total Other Long-term Investments— 79.5 35.9 1,450.6 1,566.0 
Total Financial Instrument Assets Carried at Fair Value$4,180.5 $31,383.9 $180.9 $1,450.6 $37,195.9 
Liabilities
Other Liabilities
Derivatives
Forwards$— $223.2 $— $— $223.2 
Foreign Currency Interest Rate Swaps
— 32.5 — — 32.5 
Total Derivatives— 255.7 — — 255.7 
Total Financial Instrument Liabilities Carried at Fair Value$— $255.7 $— $— $255.7 
 December 31, 2023
 Level 1Level 2Level 3NAVTotal
(in millions of dollars)
Assets
Fixed Maturity Securities
United States Government and Government Agencies and Authorities$— $624.8 $— $— $624.8 
States, Municipalities, and Political Subdivisions— 3,678.4 — — 3,678.4 
Foreign Governments— 890.7 — — 890.7 
Public Utilities301.3 5,020.3 — — 5,321.6 
Mortgage/Asset-Backed Securities1
— 611.2 32.9 — 644.1 
All Other Corporate Bonds3,985.2 21,562.1 123.4 — 25,670.7 
Redeemable Preferred Stocks— 3.6 — — 3.6 
Total Fixed Maturity Securities4,286.5 32,391.1 156.3 — 36,833.9 
Other Long-term Investments
Derivatives
Forwards
— 47.5 — — 47.5 
Foreign Currency Interest Rate Swaps
— 52.4 — — 52.4 
Total Derivatives— 99.9 — — 99.9 
Perpetual Preferred and Equity Securities— 10.3 21.6 — 31.9 
Private Equity Partnerships— — — 1,326.2 1,326.2 
Total Other Long-term Investments— 110.2 21.6 1,326.2 1,458.0 
Total Financial Instrument Assets Carried at Fair Value$4,286.5 $32,501.3 $177.9 $1,326.2 $38,291.9 
Liabilities
Other Liabilities
Derivatives
Forwards
$— $78.0 $— $— $78.0 
Foreign Currency Interest Rate Swaps
— 38.2 — — 38.2 
Embedded Derivative in Modified Coinsurance Arrangement— — 1.5 — 1.5 
Total Derivatives— 116.2 1.5 — 117.7 
Total Financial Instrument Liabilities Carried at Fair Value$— $116.2 $1.5 $— $117.7 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.
Changes in Assets and Liabilities Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs
Changes in assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) are as follows:
 Year Ended December 31, 2024
 Fair Value Beginning
of Year		Total Realized and
Unrealized Investment
Gains (Losses)
 Included in		PurchasesSales/MaturitiesLevel 3 TransfersFair Value End of
Year		Change in Unrealized
Gain (Loss) on
Securities Held at the
End of Period
included in
 EarningsOCIIntoOut ofOCIEarnings
(in millions of dollars)
Fixed Maturity Securities
Public Utilities$— $(1.1)$1.3 $— $(20.4)$20.2 $— $— $— $— 
Mortgage/Asset-Backed Securities1
32.9 — 0.6 38.5 (2.6)4.1 — 73.5 0.6 
All Other Corporate Bonds123.4 (3.5)8.9 3.2 (329.8)318.1 (48.8)71.5 8.9 — 
Total Fixed Maturity Securities156.3 (4.6)10.8 41.7 (352.8)342.4 (48.8)145.0 9.5 — 
Perpetual Preferred and Equity Securities21.6 2.3 — 0.5 — — — 24.4 — 2.3 
Embedded Derivative in Modified Coinsurance Arrangement(1.5)13.0 — — — — — 11.5 — 13.0 
 
Year Ended December 31, 2023
 Fair Value Beginning
of Year		Total Realized and
Unrealized Investment
Gains (Losses)
 Included in		PurchasesSales/MaturitiesLevel 3 TransfersFair Value End of
Year		Change in Unrealized
Gain (Loss) on
Securities Held at the
End of Period
included in
 EarningsOCIIntoOut ofOCIEarnings
(in millions of dollars)
Fixed Maturity Securities
States, Municipalities, and Political Subdivisions$0.2 $— $— $— $— $— $(0.2)$— $— $— 
Public Utilities— 0.1 (0.1)— (50.5)50.5 — — — — 
Mortgage/Asset-Backed Securities1
22.0 — (0.2)20.0 (0.5)0.4 (8.8)32.9 (0.2)— 
All Other Corporate Bonds158.7 (5.0)(15.8)1.5 (334.1)385.0 (66.9)123.4 (15.8)— 
Total Fixed Maturity Securities180.9 (4.9)(16.1)21.5 (385.1)435.9 (75.9)156.3 (16.0)— 
Perpetual Preferred and Equity Securities16.2 0.6 — 4.8 — — — 21.6 — 0.6 
Embedded Derivative in Modified Coinsurance Arrangement(13.9)12.4 — — — — — (1.5)— 12.4 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.
Quantitative Information Regarding Significant Unobservable Inputs
The table below provides quantitative information regarding the significant unobservable inputs used in Level 3 fair value measurements derived from internal models. Unobservable inputs for fixed maturity securities are weighted by the fair value of the securities. Certain securities classified as Level 3 are excluded from the table below due to limitations in our ability to obtain the underlying inputs used by external pricing sources.
December 31, 2024
Fair ValueValuation MethodUnobservable InputRange/Weighted Average
(in millions of dollars)
Fixed Maturity Securities
All Other Corporate Bonds - Private$16.3 Market Approach
Volatility of Credit
Market Convention
(a)
(b)
5.00% - 5.00% / 5.00%
Priced at Par Value
Mortgage-Backed Securities/Asset-Backed Securities
21.2 Market Approach
Market Convention
(b)
Priced at Par Value
Perpetual Preferred and Equity Securities24.4 Market Approach
Market Convention
(b)
Priced at Cost, Owner's Equity, or Most Recent Round
Embedded Derivative in Modified Coinsurance Arrangement11.5 Discounted Cash Flows
Projected Liability Cash Flows
Weighted Spread of Swap Curve
(c)
Actuarial Assumptions
(0.23)%
December 31, 2023
Fair ValueValuation MethodUnobservable InputRange/Weighted Average
(in millions of dollars)
Fixed Maturity Securities
All Other Corporate Bonds - Private$15.9 Market Approach
Volatility of Credit
Market Convention
(a)
(b)

5.00% - 5.00% / 5.00%
Priced at Par Value
Perpetual Preferred and Equity Securities21.6 Market ApproachMarket Convention(b)Priced at Cost, Owner's Equity, or Most Recent Round
Embedded Derivative in Modified Coinsurance Arrangement(1.5)Discounted Cash Flows
Projected Liability Cash Flows
Weighted Spread of Swap Curve
(c)

Actuarial Assumptions 0.2%

(a)Represents basis point adjustments for credit-specific factors
(b)Represents a decision to price based on par value, cost, owner's equity, or the price of the most recent capital funding round when limited data is available
(c)Represents various actuarial assumptions required to derive the liability cash flows. Fair value of embedded derivative is most often driven by the change in the weighted average credit spread to the swap curve for the assets backing the hypothetical loan
Carrying Amount and Fair Value of Financial Instruments
The following table presents the carrying amounts and estimated fair values of our financial instruments not measured at fair value and indicates the level in the fair value hierarchy of the estimated fair value measurement based on the observability of the inputs used:

December 31, 2024
Estimated Fair Value
Level 1Level 2Level 3TotalCarrying Value
(in millions of dollars)
Assets
Mortgage Loans$— $1,975.4 $— $1,975.4 $2,224.5 
Policy Loans— — 3,672.9 3,672.9 3,617.2 
Other Long-term Investments
Miscellaneous Long-term Investments— 26.7 0.2 26.9 26.9 
Total Financial Instrument Assets Not Carried at Fair Value$— $2,002.1 $3,673.1 $5,675.2 $5,868.6 
Liabilities
Long-term Debt$3,246.1 $43.2 $— $3,289.3 $3,465.2 
Other Liabilities
Unfunded Commitments— 0.2 — 0.2 0.2 
Payable for Collateral on FHLB Funding Agreements— 324.2 — 324.2 324.2 
Total Financial Instrument Liabilities Not Carried at Fair Value$3,246.1 $367.6 $— $3,613.7 $3,789.6 
December 31, 2023
Estimated Fair Value
Level 1Level 2Level 3TotalCarrying Value
(in millions of dollars)
Assets
Mortgage Loans$— $2,070.7 $— $2,070.7 $2,318.2 
Policy Loans— — 3,696.3 3,696.3 3,620.2 
Other Long-term Investments
Miscellaneous Long-term Investments— 15.7 0.3 16.0 16.0 
Total Financial Instrument Assets Not Carried at Fair Value$— $2,086.4 $3,696.6 $5,783.0 $5,954.4 
Liabilities
Long-term Debt$2,629.1 $598.8 $— $3,227.9 $3,430.4 
Other Liabilities
Unfunded Commitments— 0.2 — 0.2 0.2 
Payable for Collateral on FHLB Funding Agreements— 64.5 — 64.5 64.5 
Total Financial Instrument Liabilities Not Carried at Fair Value$2,629.1 $663.5 $— $3,292.6 $3,495.1 

The carrying values of financial instruments such as short-term investments, cash and bank deposits, accounts and premiums receivable, accrued investment income, securities lending agreements, and short-term debt approximate fair value due to the short-term nature of the instruments. As such, these financial instruments are not included in the above chart.
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Investments (Tables)
 12 Months Ended
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Amortized Cost and Fair Values of Securities by Security Type
At December 31, 2024 and 2023, all fixed maturity securities were classified as available-for-sale. The amortized cost and fair values of securities by security type are shown as follows:
 December 31, 2024
 
Amortized
Cost, Gross of ACL1
ACL1
Gross
Unrealized
Gain		Gross
Unrealized
Loss		Fair
Value
(in millions of dollars)
United States Government and Government Agencies and Authorities$544.6 $— $13.9 $28.0 $530.5 
States, Municipalities, and Political Subdivisions3,795.6 — 65.5 569.7 3,291.4 
Foreign Governments912.1 — 9.5 153.5 768.1 
Public Utilities5,525.0 — 132.3 364.4 5,292.9 
Mortgage/Asset-Backed Securities2
949.4 — 5.0 37.2 917.2 
All Other Corporate Bonds26,535.2 2.8 450.6 2,160.8 24,822.2 
Redeemable Preferred Stocks8.0 — — 0.4 7.6 
Total Fixed Maturity Securities$38,269.9 $2.8 $676.8 $3,314.0 $35,629.9 

December 31, 2023
 
Amortized
Cost, Gross of ACL1
ACL1
Gross
Unrealized
Gain		Gross
Unrealized
Loss		Fair
Value
(in millions of dollars)
United States Government and Government Agencies and Authorities$618.6 $— $25.3 $19.1 $624.8 
States, Municipalities, and Political Subdivisions4,041.3 — 135.3 498.2 3,678.4 
Foreign Governments982.1 — 29.8 121.2 890.7 
Public Utilities5,398.2 — 217.1 293.7 5,321.6 
Mortgage/Asset-Backed Securities2
658.0 — 10.1 24.0 644.1 
All Other Corporate Bonds26,708.4 2.2 771.8 1,807.3 25,670.7 
Redeemable Preferred Stocks4.0 — — 0.4 3.6 
Total Fixed Maturity Securities$38,410.6 $2.2 $1,189.4 $2,763.9 $36,833.9 
1 Allowance for Credit Losses
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
Schedule of Unrealized Loss on Investments
The following charts indicate the length of time our fixed maturity securities have been in a gross unrealized loss position.

 December 31, 2024
 Less Than 12 Months12 Months or Greater
 Fair
Value		Gross
Unrealized
Loss		Fair
Value		Gross
Unrealized
Loss
(in millions of dollars)
United States Government and Government Agencies and Authorities$43.7 $4.1 $201.3 $23.9 
States, Municipalities, and Political Subdivisions425.8 15.3 1,926.2 554.4 
Foreign Governments171.9 10.6 266.3 142.9 
Public Utilities1,281.7 48.4 1,549.5 316.0 
Mortgage/Asset-Backed Securities1
199.9 8.9 285.9 28.3 
All Other Corporate Bonds4,904.4 182.5 12,209.3 1,978.3 
Redeemable Preferred Stocks3.9 0.1 3.7 0.3 
Total Fixed Maturity Securities$7,031.3 $269.9 $16,442.2 $3,044.1 

 December 31, 2023
 Less Than 12 Months12 Months or Greater
 Fair
Value		Gross
Unrealized
Loss		Fair
Value		Gross
Unrealized
Loss
(in millions of dollars)
United States Government and Government Agencies and Authorities$118.8 $0.7 $197.3 $18.4 
States, Municipalities, and Political Subdivisions128.0 4.0 2,035.1 494.2 
Foreign Governments149.9 3.3 312.9 117.9 
Public Utilities373.7 10.4 1,720.6 283.3 
Mortgage/Asset-Backed Securities1
60.3 2.5 316.7 21.5 
All Other Corporate Bonds1,483.8 26.8 14,215.2 1,780.5 
Redeemable Preferred Stocks— — 3.6 0.4 
Total Fixed Maturity Securities$2,314.5 $47.7 $18,801.4 $2,716.2 
1Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
Distribution of the Maturity Dates for Fixed Maturity Securities
The following is a distribution of the maturity dates for fixed maturity securities. The maturity dates have not been adjusted for possible calls or prepayments.
 December 31, 2024
 
Amortized Cost, Net of ACL1
Unrealized Gain PositionUnrealized Loss Position
 Gross GainFair ValueGross LossFair Value
(in millions of dollars)
1 year or less$1,484.1 $4.1 $432.4 $6.2 $1,049.6 
Over 1 year through 5 years7,688.2 123.5 2,840.8 196.6 4,774.3 
Over 5 years through 10 years8,404.6 236.4 3,486.1 565.5 4,589.4 
Over 10 years19,740.8 307.8 4,965.7 2,508.5 12,574.4 
37,317.7 671.8 11,725.0 3,276.8 22,987.7 
Mortgage/Asset-Backed Securities2
949.4 5.0 431.4 37.2 485.8 
Total Fixed Maturity Securities$38,267.1 $676.8 $12,156.4 $3,314.0 $23,473.5 

 December 31, 2023
 
Amortized Cost, Net of ACL1
Unrealized Gain PositionUnrealized Loss Position
 Gross GainFair ValueGross LossFair Value
(in millions of dollars)
1 year or less$935.0 $0.9 $140.8 $7.5 $787.6 
Over 1 year through 5 years7,594.4 128.2 2,685.7 179.0 4,857.9 
Over 5 years through 10 years9,430.3 372.1 4,100.0 610.8 5,091.6 
Over 10 years19,790.7 678.1 8,524.4 1,942.6 10,001.8 
37,750.4 1,179.3 15,450.9 2,739.9 20,738.9 
Mortgage/Asset-Backed Securities2
658.0 10.1 267.1 24.0 377.0 
Total Fixed Maturity Securities$38,408.4 $1,189.4 $15,718.0 $2,763.9 $21,115.9 
1 Allowance for Credit Losses
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
Distribution by External Credit Rating for Fixed Maturity Securities
The following chart depicts an analysis of our fixed maturity security portfolio between investment-grade and below-investment-grade categories as of December 31, 2024:
Gross Unrealized Loss
Fair ValueGross Unrealized GainAmountPercent of Total Gross Unrealized Loss
(in millions of dollars)
Investment-Grade$34,193.9 $661.8 $3,236.2 97.7 %
Below-Investment-Grade1,436.0 15.0 77.8 2.3 
Total Fixed Maturity Securities$35,629.9 $676.8 $3,314.0 100.0 %
Debt Securities, Available-for-sale, Allowance for Credit Loss
The following tables present a rollforward of the allowance for credit losses on available-for-sale fixed maturity securities, which were classified as "all other corporate bonds" during the years ended December 31, 2024 and December 31, 2023.
Year Ended December 31
20242023
(in millions of dollars)
Balance, beginning of period$2.2 $— 
Credit losses on securities for which credit losses were not previously recorded2.8 2.2 
Change in allowance on securities with allowance recorded in previous period0.2 — 
Change in allowance due to securities sold during the period
(2.4)— 
Balance, end of period$2.8 $2.2 
Low Income Housing Tax Credits
The Company invests in tax credit partnerships primarily for the receipt of income tax credits and tax benefits derived from passive losses on the investments. Amounts recognized in the consolidated statements of income are as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Income Tax Credits$0.1 $1.1 $8.0 
Amortization, Net of Tax— (0.5)(5.9)
Income Tax Benefit$0.1 $0.6 $2.1 
Mortgage Loans by Property Type and Geographic Region
The carrying amount of mortgage loans by property type and geographic region are presented below.
December 31
20242023
(in millions of dollars)
CarryingPercent ofCarryingPercent of
AmountTotalAmountTotal
Property Type
     Apartment$658.2 29.6 %$685.8 29.6 %
     Industrial690.4 31.0 706.0 30.5 
     Office338.4 15.2 379.9 16.4 
     Retail496.2 22.3 503.9 21.7 
Other41.3 1.9 42.6 1.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %

Region
     New England$52.6 2.4 %$55.1 2.4 %
     Mid-Atlantic167.2 7.5 155.1 6.7 
     East North Central297.2 13.4 314.4 13.6 
     West North Central151.1 6.8 163.5 7.0 
     South Atlantic532.5 23.9 553.0 23.8 
     East South Central95.1 4.3 110.7 4.8 
     West South Central193.6 8.7 200.9 8.7 
     Mountain278.7 12.5 282.7 12.2 
     Pacific456.5 20.5 482.8 20.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %
Schedule of Participating Mortgage Loans by Internal Credit Rating and Loan to Value
The following tables present information about mortgage loans by the applicable internal quality indicators:

December 31
20242023
(in millions of dollars)
Carrying AmountPercent of TotalCarrying AmountPercent of Total
Internal Mortgage Rating
AA$117.8 5.3 %$85.2 3.7 %
     A1,099.1 49.4 942.5 40.6 
     BBB915.5 41.2 1,249.5 53.9 
     BB85.0 3.8 41.0 1.8 
     B7.1 0.3 — — 
Total$2,224.5 100.0 %$2,318.2 100.0 %
Loan-to-Value Ratio1
     <= 65%$1,639.6 73.8 %$1,409.9 60.8 %
     > 65% <= 75%367.6 16.5 707.0 30.5 
     > 75% <= 85%152.3 6.8 136.5 5.9 
     > 85%65.0 2.9 64.8 2.8 
Total$2,224.5 100.0 %$2,318.2 100.0 %
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
Mortgage Loans by Credit Quality Indicators
The following tables present the amortized cost of our mortgage loans by year of origination and internal quality indicators for the years ended December 31, 2024 and 2023:

Year Ended December 31, 2024
Prior to 2020
20202021202220232024Total
(in millions of dollars)
Internal Mortgage Rating
AA$111.5 $— $6.4 $— $— $— $117.9 
A780.5 99.6 169.1 24.6 9.5 18.0 1,101.3 
BBB561.7 55.1 155.1 63.0 57.3 28.2 920.4 
BB86.8 — — — — — 86.8 
B14.2 — — — — — 14.2 
Total Amortized Cost1,554.7 154.7 330.6 87.6 66.8 46.2 2,240.6 
Allowance for credit losses(13.7)(0.5)(1.0)(0.3)(0.4)(0.2)(16.1)
Carrying Amount$1,541.0 $154.2 $329.6 $87.3 $66.4 $46.0 $2,224.5 
Loan-to-Value Ratio1
<=65%$1,229.6 $112.9 $210.0 $40.8 $38.7 $11.7 $1,643.7 
>65<=75%154.1 33.7 72.1 46.8 28.1 34.5 369.3 
>75%<=85%126.4 8.1 20.1 — — — 154.6 
>85%44.6 — 28.4 — — — 73.0 
Total Amortized Cost1,554.7 154.7 330.6 87.6 66.8 46.2 2,240.6 
Allowance for credit losses(13.7)(0.5)(1.0)(0.3)(0.4)(0.2)(16.1)
Carrying Amount$1,541.0 $154.2 $329.6 $87.3 $66.4 $46.0 $2,224.5 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
Year Ended December 31, 2023
Prior to 2019
20192020202120222023Total
(in millions of dollars)
Internal Mortgage Rating
AA$74.3 $11.0 $— $— $— $— $85.3 
A589.0 100.3 94.1 100.1 23.2 38.0 944.7 
BBB618.4 224.8 71.4 248.0 64.4 29.2 1,256.2 
BB42.2 — — — — — 42.2 
Total Amortized Cost1,323.9 336.1 165.5 348.1 87.6 67.2 2,328.4 
Allowance for credit losses(6.3)(1.3)(0.6)(1.0)(0.6)(0.4)(10.2)
Carrying Amount$1,317.6 $334.8 $164.9 $347.1 $87.0 $66.8 $2,318.2 
Loan-to-Value Ratio1
<=65%$908.3 $197.7 $116.4 $145.2 $16.2 $30.0 $1,413.8 
>65<=75%252.1 138.4 40.8 171.0 71.4 37.2 710.9 
>75%<=85%97.3 — 8.3 31.9 — — 137.5 
>85%66.2 — — — — — 66.2 
Total Amortized Cost1,323.9 336.1 165.5 348.1 87.6 67.2 2,328.4 
Allowance for credit losses(6.3)(1.3)(0.6)(1.0)(0.6)(0.4)(10.2)
Carrying Amount$1,317.6 $334.8 $164.9 $347.1 $87.0 $66.8 $2,318.2 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
Financing Receivable, Allowance for Credit Loss
The following tables present a rollforward of allowance for expected credit losses by loan-to-value ratio for the years ended December 31, 2024 and 2023:

Year Ended December 31, 2024
Beginning of PeriodCurrent Period ProvisionsWrite-OffsRecoveriesEnd of Period
(in millions of dollars)
Loan-to-Value Ratio1
<=65%$3.8 $0.4 $— $— $4.2 
>65<=75%3.8 (2.1)— — 1.7 
>75%<=85%1.2 8.0 (7.0)— 2.2 
>85%1.4 6.6 — — 8.0 
Total$10.2 $12.9 $(7.0)$— $16.1 
Year Ended December 31, 2023
Beginning of PeriodCurrent Period ProvisionsWrite-OffsRecoveriesEnd of Period
(in millions of dollars)
Loan-to-Value Ratio1
<=65%$3.0 $0.8 $— $— $3.8 
>65<=75%4.7 (0.9)— — 3.8 
>75%<=85%1.1 0.1 — — 1.2 
>85%0.5 0.9 — — 1.4 
Total$9.3 $0.9 $— $— $10.2 
1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
Remaining Contractual Maturity of Securities Lending Agreements
The remaining contractual maturities of our securities lending agreements disaggregated by class of collateral pledged are as follows:

December 31
20242023
Overnight and Continuous
(in millions of dollars)
Borrowings
Public Utilities$5.2 $1.8 
Short-Term Investments
1.0 — 
All Other Corporate Bonds56.5 61.3 
Total Borrowings$62.7 $63.1 
Gross Amount of Recognized Liability for Securities Lending Transactions62.7 63.1 
Amounts Related to Agreements Not Included in Offsetting Disclosure Contained Herein$— $— 
Federal Home Loan Bank Common Stock Carrying Amounts, Amounts Posted, and Advances Received The carrying value of common stock owned, collateral posted, and advances received are as follows:
December 31
20242023
(in millions of dollars)
Carrying Value of FHLB Common Stock$26.7 $15.7 
Advances from FHLB324.2 64.5 
Carrying Value of Collateral Posted to FHLB
Fixed Maturity Securities$553.6 $589.0 
Commercial Mortgage Loans908.2 986.8 
Total Carrying Value of Collateral Posted to FHLB$1,461.8 $1,575.8 
Schedule of Financial Instrument and Derivative Offsetting
Shown below are our financial instruments that either meet the accounting requirements that allow them to be offset in our balance sheets or that are subject to an enforceable master netting arrangement or similar agreement. Our accounting policy is to not offset these financial instruments in our balance sheets. Net amounts disclosed below have been reduced by the amount of collateral pledged to or received from our counterparties.
December 31, 2024
Gross AmountGross Amount Not
of RecognizedGross AmountNet AmountOffset in Balance Sheet
FinancialOffset inPresented inFinancialCashNet
InstrumentsBalance SheetBalance SheetInstrumentsCollateralAmount
(in millions of dollars)
Financial Assets:
Derivatives$79.4 $— $79.4 $(75.7)$(3.2)$0.5 
Securities Lending94.0 — 94.0 (31.3)(62.7)— 
Total$173.4 $— $173.4 $(107.0)$(65.9)$0.5 
Financial Liabilities:
Derivatives$255.7 $— $255.7 $(254.3)$— $1.4 
Securities Lending62.7 — 62.7 (62.7)— — 
Total$318.4 $— $318.4 $(317.0)$— $1.4 

December 31, 2023
Gross AmountGross Amount Not
of RecognizedGross AmountNet AmountOffset in Balance Sheet
FinancialOffset inPresented inFinancialCashNet
InstrumentsBalance SheetBalance SheetInstrumentsCollateralAmount
(in millions of dollars)
Financial Assets:
Derivatives$99.9 $— $99.9 $(91.9)$(6.4)$1.6 
Securities Lending72.0 — 72.0 (8.9)(63.1)— 
Total$171.9 $— $171.9 $(100.8)$(69.5)$1.6 
Financial Liabilities:
Derivatives$116.2 $— $116.2 $(109.4)$— $6.8 
Securities Lending63.1 — 63.1 (63.1)— — 
Total$179.3 $— $179.3 $(172.5)$— $6.8 
Net Investment Income
Net investment income reported in our consolidated statements of income is presented below.
 Year Ended December 31
 202420232022
 (in millions of dollars)
Fixed Maturity Securities$1,860.4 $1,853.7 $1,849.8 
Derivatives30.7 45.1 57.8 
Mortgage Loans88.6 92.5 101.5 
Policy Loans20.9 20.8 20.0 
Other Long-term Investments
Perpetual Preferred Securities
0.3 2.5 5.0 
Private Equity Partnerships1
103.1 78.1 110.1 
Other12.0 9.2 9.4 
Short-term Investments90.9 68.7 20.0 
Gross Investment Income2,206.9 2,170.6 2,173.6 
Less Investment Expenses65.2 61.8 39.4 
Less Investment Income on Participation Fund Account Assets11.7 12.1 12.0 
Net Investment Income$2,130.0 $2,096.7 $2,122.2 

1The net unrealized gain recognized in net investment income for the year ended December 31, 2024 related to private equity partnerships still held at December 31, 2024 was $127.1 million, reduced by net management fees and partnership expenses of $(24.0) million. For the years ended December 31, 2023 and 2022, the net unrealized gain recognized in net investment income related to private equity partnerships still held at year-end was $102.9 million and $124.1 million, respectively, reduced by net management fees and partnership expenses of $(24.8) million and $(14.0) million, respectively. See Note 2 for further discussion of private equity partnerships.
 [1]
Realized Investment Gains and Losses Reported in Consolidated Statements of Income
Investment gains and losses are as follows:

 Year Ended December 31
 202420232022
 (in millions of dollars)
Fixed Maturity Securities
Gross Gains on Sales
$1.3 $4.4 $2.3 
Gross Losses on Sales(39.5)(53.1)(28.8)
Impairment Loss1
(2.5)— — 
Change in Allowance for Credit Losses
(3.0)(2.2)(4.6)
Mortgage Loans and Other Invested Assets
Gross Gains on Sales0.5 6.0 1.4 
Gross Losses on Sales— (1.0)— 
Impairment Loss
(7.0)(3.0)— 
Change in Allowance for Credit Losses(5.9)(0.9)(1.0)
Embedded Derivative in Modified Coinsurance Arrangement13.0 12.4 16.2 
All Other Derivatives3.8 (0.6)2.6 
Other
9.2 — — 
Foreign Currency Transactions(4.5)2.0 (3.8)
Net Investment (Loss)
$(34.6)$(36.0)$(15.7)

1Includes write-down of securities that we intended to sell prior to recovery of the amortized cost basis.
[1] The net unrealized gain recognized in net investment income for the year ended December 31, 2024 related to private equity partnerships still held at December 31, 2024 was $127.1 million, reduced by net management fees and partnership expenses of $(24.0) million. For the years ended December 31, 2023 and 2022, the net unrealized gain recognized in net investment income related to private equity partnerships still held at year-end was $102.9 million and $124.1 million, respectively, reduced by net management fees and partnership expenses of $(24.8) million and $(14.0) million, respectively. See Note 2 for further discussion of private equity partnerships.
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Derivative Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Nature and Amount of Collateral Received From and Posted To Derivative Counterparty The table below summarizes the nature and amount of collateral received from and posted to our derivative counterparties.
December 31
20242023
(in millions of dollars)
Carrying Value of Collateral Received from Counterparties
Cash$3.6 $11.1 
Fixed Maturity Securities8.4 26.3 
$12.0 $37.4 
Carrying Value of Collateral Posted to Counterparties
Cash$4.0 $— 
Fixed Maturity Securities196.7 39.8 
$200.7 $39.8 
Fair Value Hedges Carrying Amount of Hedged Assets and Liabilities and Cumulative Basis Adjustments
The following tables summarize the amortized cost, carrying amount of hedged assets, and the related cumulative basis adjustments related to our fair value hedges:
December 31, 2024
(in millions of dollars)
Amortized Cost of Hedged Assets
Carrying Amount of Hedged Assets
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed maturity securities:
Receive fixed foreign currency interest, pay fixed foreign currency interest$648.4 $551.0 $(46.3)
December 31, 2023
(in millions of dollars)
Amortized Cost of Hedged Assets
Carrying Amount of Hedged Assets
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
Fixed maturity securities:
Receive fixed foreign currency interest, pay fixed foreign currency interest$636.9 $529.2 $(6.1)
Location and Fair Values of Derivative Financial Instruments
The following tables summarize the notional amounts and fair values of derivative financial instruments, as reported in our consolidated balance sheets. Derivative assets are included in other long-term investments, while derivative liabilities are included in other liabilities within our consolidated balance sheets. The notional amounts represent the basis upon which our counterparty pay and receive amounts are calculated.

 December 31, 2024
 Derivative AssetsDerivative Liabilities
 Notional
Amount		Fair
Value		Fair
Value
(in millions of dollars)
Designated as Hedging Instruments
Cash Flow Hedges
Forward Benchmark Interest Rate Locks$2,570.0 $3.4 $223.2 
Foreign Currency Interest Rate Swaps139.1 17.6 1.1 
Total Cash Flow Hedges2,709.1 21.0 224.3 
Fair Value Hedges
Foreign Currency Interest Rate Swaps736.4 54.7 15.0 
Total Designated as Hedging Instruments$3,445.5 $75.7 $239.3 
Not Designated as Hedging Instruments
Foreign Currency Forwards$51.1 $3.1 $— 
Foreign Currency Interest Rate Swaps125.9 0.6 16.4 
Total Return Swaps128.9 — — 
Embedded Derivative in Modified Coinsurance Arrangement— 11.5 — 
Total Not Designated as Hedging Instruments$305.9 $15.2 $16.4 
Total Derivatives$3,751.4 $90.9 $255.7 
 December 31, 2023
 Derivative AssetsDerivative Liabilities
 Notional
Amount		Fair
Value		Fair
Value
(in millions of dollars)
Designated as Hedging Instruments
Cash Flow Hedges
Forward Benchmark Interest Rate Locks$1,905.0 $44.5 $77.8 
Foreign Currency Interest Rate Swaps149.5 14.2 4.5 
Total Cash Flow Hedges2,054.5 58.7 82.3 
Fair Value Hedges
Foreign Currency Interest Rate Swaps642.5 38.2 16.7 
Total Designated as Hedging Instruments$2,697.0 $96.9 $99.0 
Not Designated as Hedging Instruments
Foreign Currency Forwards$52.5 $3.0 $0.2 
Foreign Currency Interest Rate Swaps132.0 — 17.0 
Total Return Swaps102.2 — — 
Embedded Derivative in Modified Coinsurance Arrangement— — 1.5 
Total Not Designated as Hedging Instruments$286.7 $3.0 $18.7 
Total Derivatives$2,983.7 $99.9 $117.7 
Location of Gains and Losses on Derivative Instruments Designated as Cash Flow Hedging Instruments
The following tables summarize the location of gains and losses of derivative financial instruments designated as hedging instruments, as reported in our consolidated statements of income.
 Year Ended December 31, 2024
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,130.0 $(34.6)$201.1 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items109.6 — 2.9 
Derivatives Designated as Hedging Instruments17.4 — — 
Foreign Exchange Contracts:
Hedged items8.6 (0.4)— 
Derivatives Designated as Hedging Instruments0.7 0.4 — 
Forward Benchmark Interest Rate Locks:
Hedged items40.7 — — 
Derivatives Designated as Hedging Instruments(1.0)— — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items17.1 (40.2)— 
Derivatives Designated as Hedging Instruments14.5 40.2 — 
 Year Ended December 31, 2023
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,096.7 $(36.0)$194.8 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items198.6 0.8 2.9 
Derivatives Designated as Hedging Instruments35.2 — — 
Foreign Exchange Contracts:
Hedged items9.6 0.4 — 
Derivatives Designated as Hedging Instruments— (0.4)— 
Forward Benchmark Interest Rate Locks:
Hedged items18.5 — — 
Derivatives Designated as Hedging Instruments(0.5)— — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items14.5 18.7 — 
Derivatives Designated as Hedging Instruments11.1 (18.7)— 

 Year Ended December 31, 2022
Net Investment IncomeNet Investment Gain (Loss)Interest and Debt Expense
 (in millions of dollars)
Total Income and Expense Presented in the Consolidated Statements of Income of Which Hedged Items are Recorded$2,122.2 $(15.7)$188.5 
Gain (Loss) on Cash Flow Hedging Relationships
Interest Rate Swaps:
Hedged items200.0 — 2.9 
Derivatives Designated as Hedging Instruments51.0 — — 
Foreign Exchange Contracts:
Hedged items12.3 (2.3)— 
Derivatives Designated as Hedging Instruments(0.8)1.8 — 
Forward Benchmark Interest Rate Locks:
Hedged items0.5 — — 
Derivatives Designated as Hedging Instruments— — — 
Gain (Loss) on Fair Value Hedging Relationships
Foreign Exchange Contracts:
Hedged items11.6 (26.8)— 
Derivatives Designated as Hedging Instruments7.3 26.8 — 
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)
The following table summarizes the location of gains and losses of derivative financial instruments designated as cash flow hedging instruments, as reported in our consolidated statements of comprehensive income (loss).
Year Ended December 31
 202420232022
 (in millions of dollars)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives
Forward Benchmark Interest Rate Locks
$(213.8)$(22.5)$(49.8)
Foreign Exchange Contracts7.2 (4.3)7.4 
Total$(206.6)$(26.8)$(42.4)
Gains and Losses on Derivatives Not Designated as Hedging Instruments
The following table summarizes the location of gains and losses on our derivatives not designated as hedging instruments, as reported in our consolidated statements of income.
 Year Ended December 31
 202420232022
 (in millions of dollars)
Net Investment Gain (Loss)
Foreign Exchange Contracts$3.8 $(0.6)$2.7 
Embedded Derivative in Modified Coinsurance Arrangement13.0 12.4 16.2 
Total$16.8 $11.8 $18.9 
Other Expenses
(Gain) Loss on Total Return Swaps$(12.5)$(13.6)$18.9 
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Accumulated Other Comprehensive Income (Tables)
 12 Months Ended
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
Components of AOCI, after tax, and related changes are as follows:
Net Unrealized Gain (Loss) on Securities
Effect of Change in Discount Rate Assumptions on the LFPB1
Net Gain (Loss) on Derivatives
Foreign Currency Translation AdjustmentUnrecognized Pension and Postretirement Benefit CostsTotal
(in millions of dollars)
Balance at December 31, 2021$4,014.4 $(8,570.7)$61.8 $(274.1)$(396.0)$(5,164.6)
Other Comprehensive Income (Loss) Before Reclassifications(7,066.0)8,884.6 (30.4)(116.0)49.7 1,721.9 
Amounts Reclassified from AOCI
23.2 — (41.0)— 12.2 (5.6)
Net Other Comprehensive Income (Loss)(7,042.8)8,884.6 (71.4)(116.0)61.9 1,716.3 
Balance at December 31, 2022(3,028.4)313.9 (9.6)(390.1)(334.1)(3,448.3)
Other Comprehensive Income (Loss) Before Reclassifications1,069.3 (962.3)(37.4)69.0 (16.9)121.7 
Amounts Reclassified from AOCI
40.0 — (26.7)— 5.3 18.6 
Net Other Comprehensive Income (Loss)1,109.3 (962.3)(64.1)69.0 (11.6)140.3 
Balance at December 31, 2023(1,919.1)(648.4)(73.7)(321.1)(345.7)(3,308.0)
Other Comprehensive Income (Loss) Before Reclassifications(870.4)1,833.8 (184.4)(21.9)(7.4)749.7 
Amounts Reclassified from AOCI
34.3 — (12.6)— 12.9 34.6 
Net Other Comprehensive Income (Loss)(836.1)1,833.8 (197.0)(21.9)5.5 784.3 
Balance at December 31, 2024$(2,755.2)$1,185.4 $(270.7)$(343.0)$(340.2)$(2,523.7)
1Liability for Future Policy Benefits
Schedule of Reclassification out of Accumulated Other Comprehensive Income (Loss)
Amounts reclassified from AOCI were recognized in our consolidated statements of income as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Net Unrealized Gain (Loss) on Securities
Net Investment Loss on Fixed Maturity Securities
Net Loss on Sales$(38.2)$(48.7)$(24.8)
Impairment Loss(2.5)— — 
Change in Allowance for Credit Losses(3.0)(2.2)(4.6)
(43.7)(50.9)(29.4)
Income Tax Benefit(9.4)(10.9)(6.2)
Total$(34.3)$(40.0)$(23.2)
Net Gain (Loss) on Derivatives
Net Investment Income
Gain on Interest Rate Swaps and Forwards$16.4 $34.7 $51.1 
Loss on Foreign Currency Interest Rate Swaps (0.2)(0.5)(1.0)
Net Investment Gain (Loss)
Gain (Loss) on Foreign Currency Interest Rate Swaps(0.2)(0.4)1.8 
16.0 33.8 51.9 
Income Tax Expense3.4 7.1 10.9 
Total$12.6 $26.7 $41.0 
Unrecognized Pension and Postretirement Benefit Costs
Other Expenses
Amortization of Net Actuarial Loss$(16.4)$(7.2)$(15.7)
Amortization of Prior Service Credit0.1 0.2 0.2 
(16.3)(7.0)(15.5)
Income Tax Benefit(3.4)(1.7)(3.3)
Total$(12.9)$(5.3)$(12.2)
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Financial Services, Insurance (Tables)
 12 Months Ended
Dec. 31, 2024
Insurance [Abstract]  
Liability for Future Policy Benefit, Activity
The following table presents balances as well as the changes in the liability for future policy benefits for traditional long duration products.
Consolidated
December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$14,417.8$12,426.2 $15,881.3 
Beginning balance at original discount rate14,243.2 12,695.3 13,186.2 
Effect of changes in cash flow assumptions73.0 1,499.2 (101.9)
Effect of actual variances from expected experience(148.2)(82.5)(269.6)
Adjusted beginning of year balance14,168.014,112.012,814.7
Issuances1,075.31,054.9 877.5 
Interest accretion637.0584.0 566.0 
Net premiums collected(1,597.9)(1,537.4)(1,542.3)
Foreign currency(15.5)29.7(20.6)
Ending balance at original discount rate14,266.914,243.212,695.3
Effect of change in discount rate assumptions(336.3)174.6 (269.1)
Balance, end of period$13,930.6$14,417.8$12,426.2
Present Value of Expected Future Policy Benefits
Balance, beginning of year$52,423.6$48,929.4$65,305.0
Beginning balance at original discount rate51,305.7 49,689.0 50,397.2 
Effect of changes in cash flow assumptions(248.5)1,702.0 (92.4)
Effect of actual variances from expected experience(336.1)(310.8)(535.1)
Adjusted beginning of year balance50,721.151,080.249,769.7
Issuances1
3,082.03,072.23,194.5
Interest accretion2,253.12,227.22,236.2
Benefit payments(5,215.2)(5,236.1)(5,231.0)
Foreign currency(62.8)162.2(280.4)
Ending balance at original discount rate50,778.251,305.749,689.0
Effect of change in discount rate assumptions(1,858.1)1,117.9 (759.6)
Balance, end of period$48,920.1$52,423.6$48,929.4
Net liability for future policy benefits$34,989.5$38,005.8$36,503.2
Other2
1,591.7 1,753.3 1,854.5 
Total liability for future policy benefits36,581.2 39,759.1 38,357.7 
Less: Reinsurance recoverable related to future policy benefits7,038.7 7,756.1 8,128.2 
Net liability for future policy benefits, after reinsurance recoverable$29,542.5$32,003.0$30,229.5
1Issuances include new policy issuances for most product lines. For our Unum US group disability, Unum US group life and AD&D and Closed Block - All Other product lines and certain of our Unum International product lines, this line represents new claim incurrals.
2Other primarily relates to our Closed Block - All Other product line.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products presented in the rollforward activity above.

Consolidated
Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$10,107.5$9,690.7$9,391.8
Interest accretion$1,616.1$1,643.2$1,670.2

Consolidated
December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$103,434.1$105,325.8$97,060.7
Expected future gross premiums$39,338.5$38,761.5$35,299.8
Amount of discounted (at interest accretion rate):
Expected future gross premiums$25,929.1$25,552.9$23,827.2
Weighted average interest rate:
Interest accretion rate4.9 %4.8 %4.8 %
Current discount rate5.3 %4.8 %5.0 %
Weighted average duration of the liability
11.4 years11.5 years10.9 years
The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Unum US segment.
December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $— $— $1,134.7 $1,296.7 $2,431.4
Beginning balance at original discount rate— — 1,192.5 1,294.4 2,486.9
Effect of changes in cash flow assumptions— — 41.5 (100.2)(58.7)
Effect of actual variances from expected experience— — (66.2)(3.4)(69.6)
Adjusted beginning of year balance——1,167.81,190.82,358.6
Issuances— — 316.3168.7485.0
Interest accretion— — 39.451.691.0
Net premiums collected— — (188.2)(180.4)(368.6)
Ending balance at original discount rate——1,335.31,230.72,566.0
Effect of change in discount rate assumptions——(95.1)(28.2)(123.3)
Balance, end of period$—$—$1,240.2$1,202.5$2,442.7
Present Value of Expected Future Policy Benefits
Balance, beginning of year$5,147.4$922.0$2,334.5$3,348.6$11,752.5
Beginning balance at original discount rate5,277.1936.52,422.03,313.911,949.5
Effect of changes in cash flow assumptions(76.4)(17.0)51.6(155.4)(197.2)
Effect of actual variances from expected experience(168.9)(53.1)(68.0)(19.1)(309.1)
Adjusted beginning of year balance5,031.8866.42,405.63,139.411,443.2
Issuances1
1,093.2375.4339.3183.11,991.0
Interest accretion151.317.797.7149.1415.8
Benefit payments(1,368.8)(406.9)(228.0)(280.5)(2,284.2)
Ending balance at original discount rate4,907.5852.62,614.63,191.111,565.8
Effect of change in discount rate assumptions(171.7)(17.4)(252.1)(94.6)(535.8)
Balance, end of period$4,735.8$835.2$2,362.5$3,096.5$11,030.0
Net liability for future policy benefits$4,735.8$835.2$1,122.3$1,894.0$8,587.3
Other0.40.82.826.430.4
Total liability for future policy benefits4,736.2836.01,125.11,920.48,617.7
Less: Reinsurance recoverable related to future policy benefits26.45.313.0149.3194.0
Net liability for future policy benefits, after reinsurance recoverable$4,709.8$830.7$1,112.1$1,771.1$8,423.7
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$—$—$868.2$1,202.9$2,071.1
Beginning balance at original discount rate——937.91,228.12,166.0
Effect of changes in cash flow assumptions——180.75.0185.7
Effect of actual variances from expected experience——(79.8)(10.4)(90.2)
Adjusted beginning of year balance——1,038.81,222.72,261.5
Issuances——288.6197.9486.5
Interest accretion——29.048.277.2
Net premiums collected——(163.9)(174.4)(338.3)
Ending balance at original discount rate——1,192.51,294.42,486.9
Effect of change in discount rate assumptions——(57.8)2.3(55.5)
Balance, end of period$—$—$1,134.7$1,296.7$2,431.4
Present Value of Expected Future Policy Benefits
Balance, beginning of year $5,533.3$972.6$1,999.5$3,192.8$11,698.2
Beginning balance at original discount rate5,793.1998.52,141.23,244.512,177.3
Effect of changes in cash flow assumptions(100.2)—170.17.977.8
Effect of actual variances from expected experience(204.0)(37.0)(90.9)(45.3)(377.2)
Adjusted beginning of year balance5,488.9961.52,220.43,207.111,877.9
Issuances1
1,094.5394.2303.7215.32,007.7
Interest accretion171.220.086.2164.7442.1
Benefit payments(1,477.5)(439.2)(188.3)(273.2)(2,378.2)
Ending balance at original discount rate5,277.1936.52,422.03,313.911,949.5
Effect of change in discount rate assumptions(129.7)(14.5)(87.5)34.7(197.0)
Balance, end of period$5,147.4$922.0$2,334.5$3,348.6$11,752.5
Net liability for future policy benefits$5,147.4$922.0$1,199.8$2,051.9$9,321.1
Other0.21.02.627.831.6
Total liability for future policy benefits5,147.6923.01,202.42,079.79,352.7
Less: Reinsurance recoverable related to future policy benefits30.77.214.0156.7208.6
Net liability for future policy benefits, after reinsurance recoverable$5,116.9$915.8$1,188.4$1,923.0$9,144.1
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$—$—$1,124.8$1,494.3$2,619.1
Beginning balance at original discount rate——1,032.31,279.62,311.9
Effect of changes in cash flow assumptions——(23.4)(73.7)(97.1)
Effect of actual variances from expected experience——(70.9)(25.2)(96.1)
Adjusted beginning of year balance——938.01,180.72,118.7
Issuances——136.2168.6304.8
Interest accretion——29.149.878.9
Net premiums collected——(165.4)(171.0)(336.4)
Ending balance at original discount rate——937.91,228.12,166.0
Effect of change in discount rate assumptions——(69.7)(25.2)(94.9)
Balance, end of period$—$—$868.2$1,202.9$2,071.1
Present Value of Expected Future Policy Benefits
Balance, beginning of year $6,725.7$1,124.1$2,697.3$4,017.3$14,564.4
Beginning balance at original discount rate6,158.31,058.32,201.83,253.312,671.7
Effect of changes in cash flow assumptions(102.0)(32.9)(39.9)(53.4)(228.2)
Effect of actual variances from expected experience(239.4)(34.3)(74.9)(36.0)(384.6)
Adjusted beginning of year balance5,816.9991.12,087.03,163.912,058.9
Issuances1
1,304.3444.1154.0181.42,083.8
Interest accretion210.524.586.1155.3476.4
Benefit payments(1,538.6)(461.2)(185.9)(256.1)(2,441.8)
Ending balance at original discount rate5,793.1998.52,141.23,244.512,177.3
Effect of change in discount rate assumptions(259.8)(25.9)(141.7)(51.7)(479.1)
Balance, end of period$5,533.3$972.6$1,999.5$3,192.8$11,698.2
Net liability for future policy benefits$5,533.3$972.6$1,131.3$1,989.9$9,627.1
Other0.40.915.624.741.6
Total liability for future policy benefits5,533.7973.51,146.92,014.69,668.7
Less: Reinsurance recoverable related to future policy benefits36.07.514.1193.6251.2
Net liability for future policy benefits, after reinsurance recoverable$5,497.7$966.0$1,132.8$1,821.0$9,417.5
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Unum US segment presented in the rollforward activity above.
Year Ended December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$3,070.4$1,996.0$821.7$659.0$6,547.1
Interest accretion$151.3$17.7$58.3$97.5$324.8

Year Ended December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$2,958.7$1,878.0$789.9$636.6$6,263.2
Interest accretion$171.2$20.0$57.2$116.5$364.9

Year Ended December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$2,791.7$1,864.9$773.6$591.5$6,021.7
Interest accretion$210.5$24.5$57.0$105.5$397.5
December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$5,953.3 $964.5$5,590.6 $5,112.9$17,621.3 
Expected future gross premiums$— $—$5,799.1 $5,858.2$11,657.3 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$3,815.4 $4,211.8 $8,027.2 
Weighted average interest rate:
Interest accretion rate4.2 %2.3 %5.0 %5.1 %4.3%
Current discount rate4.9 %2.7 %5.5 %5.3 %4.9%
Weighted average duration of the liability4.2 years2.4 years18.3 years9.4 years7.1 years
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$6,376.6 $1,063.2$5,173.1 $5,313.7$17,926.6 
Expected future gross premiums$— $—$5,450.6 $5,724.8$11,175.4 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$3,717.5 $4,112.9 $7,830.4 
Weighted average interest rate:
Interest accretion rate4.0 %2.2 %5.0 %5.1 %4.2%
Current discount rate4.6 %2.6 %4.9 %4.8 %4.5%
Weighted average duration of the liability4.3 years2.6 years18.1 years9.6 years7.0 years

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityTotal Unum US
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$6,988.1 $1,133.0$4,561.1 $5,168.2$17,850.4 
Expected future gross premiums$— $—$3,979.6 $5,525.1$9,504.7 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$— $—$2,939.1 $3,962.1 $6,901.2 
Weighted average interest rate:
Interest accretion rate3.8 %2.2 %5.1 %5.1 %4.0%
Current discount rate4.9 %2.7 %5.2 %5.1 %4.7%
Weighted average duration of the liability4.4 years2.6 years17.8 years9.4 years6.8 years
The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Unum International segment.

December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$270.3$197.1$260.5
Beginning balance at original discount rate298.4 246.8 258.1 
Effect of changes in cash flow assumptions(5.9)(5.1)(0.3)
Effect of actual variances from expected experience19.9 17.1 5.6 
Adjusted beginning of year balance312.4258.8263.4
Issuances34.423.517.8
Interest accretion11.49.48.4
Net premiums collected(28.5)(23.0)(22.2)
Foreign currency(15.5)29.7(20.6)
Ending balance at original discount rate314.2298.4246.8
Effect of change in discount rate assumptions(38.1)(28.1)(49.7)
Balance, end of period$276.1$270.3$197.1
Present Value of Expected Future Policy Benefits
Balance, beginning of year$2,527.4$2,231.4$3,181.8
Beginning balance at original discount rate2,687.1 2,495.5 2,703.8 
Effect of changes in cash flow assumptions0.1 17.7 (20.1)
Effect of actual variances from expected experience(20.5)1.3 46.3 
Adjusted beginning of year balance2,666.72,514.52,730.0
Issuances1
379.0335.2327.7
Interest accretion67.963.564.9
Benefit payments(409.3)(388.3)(346.7)
Foreign currency(62.8)162.2(280.4)
Ending balance at original discount rate2,641.52,687.12,495.5
Effect of change in discount rate assumptions(249.9)(159.7)(264.1)
Balance, end of period$2,391.6$2,527.4$2,231.4
Net liability for future policy benefits$2,115.5$2,257.1$2,034.3
Other40.7 36.1 28.9 
Total liability for future policy benefits2,156.2 2,293.2 2,063.2 
Less: Reinsurance recoverable related to future policy benefits67.9 78.7 70.3 
Net liability for future policy benefits, after reinsurance recoverable$2,088.3$2,214.5$1,992.9
1Issuances for Unum International primarily represent new claim incurrals.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Unum International segment presented in the rollforward activity above.
Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$957.1$849.0$786.8
Interest accretion$56.5$54.1$56.5

December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$4,258.2 $4,261.1 $3,905.4 
Expected future gross premiums$1,295.7 $1,196.6 $943.9 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$823.4 $778.6 $626.2 
Weighted average interest rate:
Interest accretion rate4.1 %4.0 %4.0 %
Current discount rate5.1 %4.6 %5.0 %
Weighted average duration of the liability8.8 years8.6 years8.6 years
The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Colonial Life segment.

December 31
202420232022
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year$3,592.6$3,745.4$4,597.0
Beginning balance at original discount rate3,754.3 4,046.4 4,158.9 
Effect of changes in cash flow assumptions(7.9)(322.7)(32.3)
Effect of actual variances from expected experience(57.3)(53.5)(145.6)
Adjusted beginning of year balance3,689.13,670.23,981.0
Issuances555.9544.9554.9
Interest accretion132.8122.7129.7
Net premiums collected(584.0)(583.5)(619.2)
Ending balance at original discount rate3,793.83,754.34,046.4
Effect of change in discount rate assumptions(240.5)(161.7)(301.0)
Balance, end of period$3,553.3$3,592.6$3,745.4
Present Value of Expected Future Policy Benefits
Balance, beginning of year$5,566.0$5,581.1$7,054.8
Beginning balance at original discount rate5,925.2 6,163.9 6,201.5 
Effect of changes in cash flow assumptions(52.7)(402.9)(85.9)
Effect of actual variances from expected experience(92.2)(52.0)(191.3)
Adjusted beginning of year balance5,780.35,709.05,924.3
Issuances610.8605.9628.5
Interest accretion224.4211.3217.0
Benefit payments(589.3)(601.0)(605.9)
Ending balance at original discount rate6,026.25,925.26,163.9
Effect of change in discount rate assumptions(591.3)(359.2)(582.8)
Balance, end of period$5,434.9$5,566.0$5,581.1
Net liability for future policy benefits$1,881.6$1,973.4$1,835.7
Other22.6 24.4 22.7 
Total liability for future policy benefits1,904.2 1,997.8 1,858.4 
Less: Reinsurance recoverable related to future policy benefits0.9 1.8 1.1 
Net liability for future policy benefits, after reinsurance recoverable$1,903.3$1,996.0$1,857.3
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Colonial Life segment presented in the rollforward activity above.

Year Ended December 31
202420232022
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$1,718.9$1,658.6$1,635.8
Interest accretion$91.6$88.6$87.3

December 31
202420232022
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$10,409.4 $9,796.7 $10,011.9 
Expected future gross premiums$12,618.4 $11,903.1 $12,221.3 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$9,049.4 $8,702.2 $8,966.3 
Weighted average interest rate:
Interest accretion rate4.4 %4.3 %4.3 %
Current discount rate5.5 %4.8 %5.2 %
Weighted average duration of the liability17.3 years17.0 years17.5 years
The following table presents the balances and changes in the reserves for future policy benefits for traditional long duration products in the Closed Block segment.

December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $8,123.5$—$8,123.5
Beginning balance at original discount rate7,703.6—7,703.6
Effect of changes in cash flow assumptions145.5—145.5
Effect of actual variances from expected experience(41.2)—(41.2)
Adjusted beginning of year balance7,807.9—7,807.9
Interest accretion401.8—401.8
Net premiums collected(616.8)—(616.8)
Ending balance at original discount rate7,592.9—7,592.9
Effect of change in discount rate assumptions65.6—65.6
Balance, end of period$7,658.5$—$7,658.5
Present Value of Expected Future Policy Benefits
Balance, beginning of year $24,697.7$7,880.0$32,577.7
Beginning balance at original discount rate22,649.38,094.630,743.9
Effect of changes in cash flow assumptions(4.1)5.41.3
Effect of actual variances from expected experience68.317.485.7
Adjusted beginning of year balance22,713.58,117.430,830.9
Issuances1
—101.2101.2
Interest accretion1,199.8345.21,545.0
Benefit payments(959.6)(972.8)(1,932.4)
Ending balance at original discount rate22,953.77,591.030,544.7
Effect of change in discount rate assumptions(28.5)(452.6)(481.1)
Balance, end of period$22,925.2$7,138.4$30,063.6
Net liability for future policy benefits$15,266.7$7,138.4$22,405.1
Other2
1.71,496.31,498.0
Total liability for future policy benefits15,268.48,634.723,903.1
Less: Reinsurance recoverable related to future policy benefits4.26,771.76,775.9
Net liability for future policy benefits, after reinsurance recoverable$15,264.2$1,863.0$17,127.2
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $6,412.6$—$6,412.6
Beginning balance at original discount rate6,236.1—6,236.1
Effect of changes in cash flow assumptions1,641.3—1,641.3
Effect of actual variances from expected experience44.1—44.1
Adjusted beginning of year balance7,921.5—7,921.5
Interest accretion374.7—374.7
Net premiums collected(592.6)—(592.6)
Ending balance at original discount rate7,703.6—7,703.6
Effect of change in discount rate assumptions419.9—419.9
Balance, end of period$8,123.5$—$8,123.5
Present Value of Expected Future Policy Benefits
Balance, beginning of year$21,199.9$8,218.8$29,418.7
Beginning balance at original discount rate20,221.68,630.728,852.3
Effect of changes in cash flow assumptions2,009.4—2,009.4
Effect of actual variances from expected experience113.14.0117.1
Adjusted beginning of year balance22,344.18,634.730,978.8
Issuances1
—123.4123.4
Interest accretion1,151.4358.91,510.3
Benefit payments(846.2)(1,022.4)(1,868.6)
Ending balance at original discount rate22,649.38,094.630,743.9
Effect of change in discount rate assumptions2,048.4(214.6)1,833.8
Balance, end of period$24,697.7$7,880.0$32,577.7
Net liability for future policy benefits$16,574.2$7,880.0$24,454.2
Other2
23.11,638.11,661.2
Total liability for future policy benefits16,597.39,518.126,115.4
Less: Reinsurance recoverable related to future policy benefits4.57,462.47,466.9
Net liability for future policy benefits, after reinsurance recoverable$16,592.8$2,055.7$18,648.5
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Present Value of Expected Net Premiums
Balance, beginning of year $8,404.7$—$8,404.7
Beginning balance at original discount rate6,457.3—6,457.3
Effect of changes in cash flow assumptions27.8—27.8
Effect of actual variances from expected experience(33.5)—(33.5)
Adjusted beginning of year balance6,451.6—6,451.6
Interest accretion349.0—349.0
Net premiums collected(564.5)—(564.5)
Ending balance at original discount rate6,236.1—6,236.1
Effect of change in discount rate assumptions176.5—176.5
Balance, end of period$6,412.6$—$6,412.6
Present Value of Expected Future Policy Benefits
Balance, beginning of year$30,089.6$10,414.4$40,504.0
Beginning balance at original discount rate19,870.88,949.428,820.2
Effect of changes in cash flow assumptions24.9216.9241.8
Effect of actual variances from expected experience(36.2)30.7(5.5)
Adjusted beginning of year balance19,859.59,197.029,056.5
Issuances1
—154.5154.5
Interest accretion1,105.1372.81,477.9
Benefit payments(743.0)(1,093.6)(1,836.6)
Ending balance at original discount rate20,221.68,630.728,852.3
Effect of change in discount rate assumptions978.3(411.9)566.4
Balance, end of period$21,199.9$8,218.8$29,418.7
Net liability for future policy benefits$14,787.3$8,218.8$23,006.1
Other2
24.31,737.01,761.3
Total liability for future policy benefits14,811.69,955.824,767.4
Less: Reinsurance recoverable related to future policy benefits5.77,799.87,805.5
Net liability for future policy benefits, after reinsurance recoverable$14,805.9$2,156.0$16,961.9
1Issuances for Closed Block - All Other represents new claim incurrals.
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
The following tables summarize the amount of gross premiums and interest accretion reflected in the statements of income as well as the undiscounted and discounted expected gross premiums and expected future benefit payments and the weighted average interest rates for traditional long duration products in the Closed Block segment presented in the rollforward activity above.
Year Ended December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$696.2$188.2$884.4
Interest accretion$798.0$345.2$1,143.2

Year Ended December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$696.1$223.8$919.9
Interest accretion$776.7 $358.9$1,135.6

Year Ended December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars)
Amount recognized in the statement of income:
Gross premiums or assessments$697.5$250.0$947.5
Interest accretion$756.1 $372.8$1,128.9
December 31, 2024
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$60,051.5 $11,093.7$71,145.2 
Expected future gross premiums$13,767.1 $—$13,767.1 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$8,029.1 $—$8,029.1 
Weighted average interest rate:
Interest accretion rate5.6 %4.6 %5.3 %
Current discount rate5.6 %5.4 %5.5 %
Weighted average duration of the liability15.7 years7.2 years12.9 years

December 31, 2023
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$61,447.7 $11,893.7$73,341.4 
Expected future gross premiums$14,486.4 $—$14,486.4 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$8,241.7 $—$8,241.7 
Weighted average interest rate:
Interest accretion rate5.6 %4.6 %5.2 %
Current discount rate5.0 %4.9 %4.9 %
Weighted average duration of the liability16.4 years7.3 years13.2 years
December 31, 2022
Long-term CareAll OtherTotal Closed Block
(in millions of dollars, except weighted average data)
Amount of undiscounted:
Expected future benefit payments$52,544.0 $12,749.0$65,293.0 
Expected future gross premiums$12,629.9 $—$12,629.9 
Amount of discounted (at interest accretion rate):
Expected future gross premiums$7,333.5 $—$7,333.5 
Weighted average interest rate:
Interest accretion rate5.5 %4.6 %5.2 %
Current discount rate5.2 %5.1 %5.2 %
Weighted average duration of the liability15.5 years7.4 years12.4 years
A reconciliation of the liability for future policy benefits reflected in the preceding rollforwards to the related liability balances in the consolidated balance sheets are as follows:

December 31
202420232022
(in millions of dollars)
Liability for future policy benefits
Unum US1
$8,617.7 $9,352.7 $9,668.7 
Unum International2,156.2 2,293.2 2,063.2 
Colonial Life1,904.2 1,997.8 1,858.4 
Closed Block1
23,903.1 26,115.4 24,767.4 
Other products1
225.2 250.3 219.4 
Total liability for future policy benefits$36,806.4 $40,009.4 $38,577.1 
1Unum US excludes the dental and vision product line and medical stop-loss products and Closed Block excludes our participating fund account, which represents policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual stock life insurance company. The liabilities associated with these products are included within Other products.
Policyholder Account Balance
The following table presents the balances and changes in the policyholders' account balances:

December 31, 2024
Unum US - Voluntary BenefitsColonial LifeClosed Block - All Other Total
(in millions of dollars, except weighted average data)
Balance, beginning of year    $578.6 $852.9 $4,082.7 $5,514.2 
Premiums received53.7 79.5 26.5 159.7 
Policy charges1
(56.8)(71.9)(101.4)(230.1)
Surrenders and withdrawals(30.9)(38.0)(12.4)(81.3)
Benefit payments(6.0)(7.8)(245.1)(258.9)
Interest credited20.8 34.1 300.6 355.5 
Other9.4 0.2 1.3 10.9 
Balance, end of period568.8 849.0 4,052.2 5,470.0 
Reserves in excess of account balance106.913.543.3163.7 
Total policyholders' account balances675.7 862.5 4,095.5 5,633.7 
Less: Reinsurance recoverable related to policyholders' account balances0.8—4,095.54,096.3
Net policyholders' account balances, after reinsurance recoverable$674.9 $862.5 $— $1,537.4 
Weighted average crediting rate3.7%4.1%7.6%6.7%
Net amount at risk2
$4,132.2$8,201.1$1,725.0$14,058.3
Cash surrender value $559.0$819.8$4,031.3$5,410.1
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
December 31, 2023
Unum US - Voluntary BenefitsColonial LifeClosed Block - All OtherTotal
(in millions of dollars, except weighted average data)
Balance, beginning of year    $586.8$852.4$4,159.4$5,598.6 
Premiums received58.584.931.7175.1 
Policy charges1
(60.4)(74.7)(107.2)(242.3)
Surrenders and withdrawals(33.3)(36.8)(18.8)(88.9)
Benefit payments(9.7)(7.2)(216.2)(233.1)
Interest credited22.234.2322.1378.5 
Other14.50.1(88.3)(73.7)
Balance, end of period578.6 852.9 4,082.7 5,514.2 
Reserves in excess of account balance99.516.937.1153.5 
Total policyholders' account balances678.1 869.8 4,119.8 5,667.7 
Less: Reinsurance recoverable related to policyholders' account balances0.9—4,119.84,120.7
Net policyholders' account balances, after reinsurance recoverable$677.2$869.8$—$1,547.0
Weighted average crediting rate3.9%4.1%8.0%7.0%
Net amount at risk2
$4,495.6$8,760.1$1,824.3$15,080.0 
Cash surrender value $566.9$813.5$4,062.3$5,442.7 
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
December 31, 2022
Unum US - Voluntary BenefitsColonial LifeClosed Block - All OtherTotal
(in millions of dollars, except weighted average data)
Balance, beginning of year    $598.7$849.2$4,231.7$5,679.6 
Premiums received64.590.932.2187.6 
Policy charges1
(64.5)(78.0)(105.5)(248.0)
Surrenders and withdrawals(32.9)(36.2)(21.3)(90.4)
Benefit payments(10.7)(8.0)(292.8)(311.5)
Interest credited23.534.2311.5369.2 
Other8.20.33.612.1 
Balance, end of period586.8 852.4 4,159.4 5,598.6 
Reserves in excess of account balance92.916.732.0141.6 
Total policyholders' account balances679.7 869.1 4,191.4 5,740.2 
Less: Reinsurance recoverable related to policyholders' account balances1.10.24,191.44,192.7
Net policyholders' account balances, after reinsurance recoverable$678.6$868.9$—$1,547.5
Weighted average crediting rate4.0%4.1%7.6%6.7%
Net amount at risk2
$4,908.0$9,338.5$1,931.6$16,178.1 
Cash surrender value $583.3$800.9$4,045.9$5,430.1 
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
Policyholder Account Balance, Guaranteed Minimum Crediting Rate
The balance of the account values by range of guaranteed minimum crediting rates and the related range of difference, in basis points, between rates being credited to policyholders and the respective guaranteed minimums is as follows.

December 31, 2024
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$89.3$—$—$—$89.3
4.00% - 4.99%
218.5195.035.1—448.6
5.00% - 6.00%
30.9———30.9
338.7195.035.1—568.8
Colonial Life
4.00% - 5.00%
842.76.3——849.0
Closed Block - All Other
3.00% - 5.99%
1,280.2226.625.4— 1,532.2
6.00% - 8.99%
26.0——— 26.0
9.00% - 11.99%
1,274.81,157.4—— 2,432.2
12.00% - 15.00%
—61.8—— 61.8
2,581.01,445.825.4—4,052.2
Total$3,762.4$1,647.1$60.5$—$5,470.0
December 31, 2023
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$91.9$—$—$—$91.9
4.00% - 4.99%
227.1190.137.7—454.9
5.00% - 6.00%
31.8———31.8
350.8190.137.7—578.6
Colonial Life
4.00% - 5.00%
846.76.2——852.9
Closed Block - All Other
3.00% - 5.99%
526.81,081.830.7— 1,639.3
6.00% - 8.99%
1.331.0—— 32.3
9.00% - 11.99%
318.42,036.5—— 2,354.9
12.00% - 15.00%
—56.2—— 56.2
846.53,205.530.7—4,082.7
Total$2,044.0$3,401.8$68.4$—$5,514.2
December 31, 2022
Range of Guaranteed Minimum Crediting RateAt Guaranteed Minimum1 Basis Point - 50 Basis Points Above51 Basis Points - 150 Basis Points AboveGreater than 150 Basis Points AboveTotal
(in millions of dollars)
Unum US - Voluntary Benefits
3.00% - 3.99%
$94.4$—$—$—$94.4
4.00% - 4.99%
274.5183.9——458.4
5.00% - 6.00%
34.0———34.0
402.9183.9——586.8
Colonial Life
4.00% - 5.00%
846.46.0——852.4
Closed Block - All Other
3.00% - 5.99%
1,661.729.16.4— 1,697.2
6.00% - 8.99%
31.4——— 31.4
9.00% - 11.99%
2,378.2——— 2,378.2
12.00% - 15.00%
52.6——— 52.6
4,123.929.16.4—4,159.4
Total$5,373.2$219.0$6.4$—$5,598.6
Deferred Policy Acquisition Costs by Segment
The following tables display the changes in DAC throughout the year:

December 31, 2024
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,232.2$46.9$1,435.4$2,714.5
Capitalization320.917.8312.8651.5
Amortization expense(292.5)(9.5)(219.0)(521.0)
Foreign currency—(2.2)—(2.2)
Balance, end of year
$1,260.6$53.0$1,529.2$2,842.8

December 31, 2023
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,185.1$37.0$1,337.9$2,560.0
Capitalization314.714.6302.9632.2
Amortization expense(267.6)(8.4)(205.4)(481.4)
Foreign currency—3.7—3.7
Balance, end of year
$1,232.2$46.9$1,435.4$2,714.5

December 31, 2022
Unum USUnum InternationalColonial LifeTotal
(in millions of dollars)
Balance, beginning of year$1,152.9$36.4$1,238.1$2,427.4
Capitalization273.112.0271.8556.9
Amortization expense(240.9)(8.2)(172.0)(421.1)
Foreign currency—(3.2)—(3.2)
Balance, end of year
$1,185.1$37.0$1,337.9$2,560.0

December 31, 2024
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$63.6$48.9$610.6$497.8$11.3$1,232.2
Capitalization62.240.6120.283.414.5320.9
Amortization expense (64.7)(38.4)(116.5)(60.0)(12.9)(292.5)
Balance, end of year
$61.1$51.1$614.3$521.2$12.9$1,260.6
December 31, 2023
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$61.0$49.3$601.0$464.4$9.4$1,185.1
Capitalization60.2 38.6115.887.412.7314.7
Amortization expense(57.6)(39.0)(106.2)(54.0)(10.8)(267.6)
Balance, end of year
$63.6$48.9$610.6$497.8$11.3$1,232.2

December 31, 2022
Group DisabilityGroup Life and AD&DVoluntary BenefitsIndividual DisabilityDental and VisionTotal Unum US
(in millions of dollars)
Balance, beginning of year$60.9$53.9$588.6$441.8$7.7$1,152.9
Capitalization53.137.3100.072.010.7273.1
Amortization expense (53.0)(41.9)(87.6)(49.4)(9.0)(240.9)
Balance, end of year
$61.0$49.3$601.0$464.4$9.4$1,185.1
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Income Tax (Tables)
 12 Months Ended
Dec. 31, 2024
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
Total income tax expense (benefit) is allocated as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Net Income$472.2 $356.3 $342.8 
Stockholders' Equity - Accumulated Other Comprehensive Income (Loss)
Change in Net Unrealized Gain (Loss) on Securities
(226.6)300.6 (1,890.8)
Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy and Contract Benefits, Net of Reinsurance
488.9 (256.5)2,385.1 
Change in Net Gain (Loss) on Derivatives
(51.5)(17.0)(19.2)
Change in Foreign Currency Translation Adjustment1.1 0.9 (0.1)
Change in Unrecognized Pension and Postretirement Benefit Costs12.0 (2.7)18.9 
Total$696.1 $381.6 $836.7 
Schedule of Effective Income Tax Rate Reconciliation
A reconciliation of the income tax provision at the U.S. federal statutory rate to the income tax rate as reported in our consolidated statements of income is as follows:
Year Ended December 31
202420232022
Statutory Income Tax21.0 %21.0 %21.0 %
Policyholder Reserves0.3 (0.6)(1.7)
Other Items, Net(0.3)1.3 0.3 
Effective Tax21.0 %21.7 %19.6 %
Schedule of Deferred Tax Assets and Liabilities
Our net deferred tax asset consists of the following. Certain prior year amounts have been reclassified to conform to current presentation.

December 31
20242023
(in millions of dollars)
Deferred Tax Asset
Invested Assets$593.2 $354.5 
Reserves
— 462.6 
Employee Benefits
146.3 161.9 
Other
36.8 35.8 
Gross Deferred Tax Asset776.3 1,014.8 
Less: Valuation Allowance
12.1 11.0 
Net Deferred Tax Asset764.2 1,003.8 
Deferred Tax Liability
Deferred Acquisition Costs
167.0 175.1 
Reserves85.9 — 
Cost of Reinsurance
110.4 119.7 
Other
62.2 86.6 
Gross Deferred Tax Liability425.5 381.4 
Net Deferred Tax Asset
$338.7 $622.4 
Schedule of Income before Income Tax, Domestic and Foreign
Our consolidated statements of income include amounts subject to both domestic and foreign taxation. The income and related tax expense (benefit) are as follows:

Year Ended December 31
202420232022
(in millions of dollars)
Income Before Tax
   Domestic$2,129.5 $1,506.2 $1,596.8 
   Foreign121.8 133.9 153.2 
   Total$2,251.3 $1,640.1 $1,750.0 
Current Tax Expense (Benefit)
   Federal$393.1 $440.4 $306.5 
   State and Local(8.5)(2.5)12.7 
   Foreign47.5 14.1 154.3 
   Total432.1 452.0 473.5 
Deferred Tax Expense (Benefit)
   Federal59.8 (106.2)42.7 
   State and Local(0.6)(1.5)1.1 
   Foreign(19.1)12.0 (174.5)
   Total40.1 (95.7)(130.7)
Total Tax Expense$472.2 $356.3 $342.8 
Schedule of Unrecognized Tax Benefits Roll Forward
Our consolidated statements of income include the following changes in unrecognized tax benefits.

December 31
202420232022
(in millions of dollars)
Balance at Beginning of Year$156.7 $177.4 $198.8 
Decreases for Tax Positions Related to Prior Years(20.7)(20.7)(21.0)
Lapse of the Applicable Statute of Limitations— — (0.4)
Balance at End of Year136.0 156.7 177.4 
Less Tax Attributable to Temporary Items Included Above(21.2)(42.4)(63.5)
Total Unrecognized Tax Benefits That if Recognized Would Affect the Effective Tax Rate$114.8 $114.3 $113.9 
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Debt (Tables)
 12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Schedule of Debt
Debt consists of the following:

December 31
20242023
Interest RatesMaturities(in millions of dollars)
Long-term Debt
Outstanding Principal
   Senior Notes issued 19986.750 - 7.250%2028$335.8 $335.8 
   Senior Notes issued 20027.375%203239.5 39.5 
   Senior Notes issued 2012 and 20165.750%2042500.0 500.0 
Senior Notes issued 20153.875%2025— 275.0 
   Senior Notes issued 20194.000%2029400.0 400.0 
   Senior Notes issued 20194.500%2049450.0 450.0 
   Senior Notes issued 20214.125%2051600.0 600.0 
   Senior Notes issued 20244.046%2041400.0 — 
   Senior Notes issued 20246.000%2054400.0 — 
   Medium-term Notes issued 1990 - 19967.190%202818.5 18.5 
   Junior Subordinated Debt Securities issued 19987.405%2038189.7 189.7 
   Junior Subordinated Debt Securities issued 20186.250%2058300.0 300.0 
Term Loan issued 2022Variable2027— 350.0 
Unamortized Net Premium (Discount)
(131.3)2.5 
Unamortized Debt Issuance Costs(37.0)(30.6)
Total Long-term Debt$3,465.2 $3,430.4 
Short-term Debt
Outstanding Principal
   Senior Notes issued 20153.875%2025275.0 — 
   Unamortized Net Discount
(0.2)— 
   Unamortized Debt Issuance Costs
(0.2)— 
Total Short-term Debt274.6 — 
Total Debt$3,739.8 $3,430.4 
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Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Changes in Projected Benefit Obligations and Fair Value of Plan Assets
The following table provides the changes in the benefit obligation and fair value of plan assets and the funded status of the plans.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Change in Benefit Obligation
Benefit Obligation at Beginning of Year$1,575.3 $1,585.5 $172.3 $157.9 $79.0 $83.9 
Service Cost9.2 9.2 — — — — 
Interest Cost82.9 87.9 7.6 7.7 4.0 4.5 
Plan Participant Contributions— — — — 0.1 0.1 
Actuarial Loss (Gain) (1)
(57.7)61.0 (19.3)3.8 (1.5)(0.5)
Benefits and Expenses Paid(91.1)(168.3)(5.9)(5.7)(8.8)(9.0)
Change in Foreign Exchange Rates— — (2.6)8.6 — — 
Benefit Obligation at End of Year $1,518.6 $1,575.3 $152.1 $172.3 $72.8 $79.0 
Accumulated Benefit Obligation at December 31$1,518.6 $1,575.3 $152.1 $172.3 N/AN/A
Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year$1,295.9 $1,308.3 $145.4 $140.5 $8.2 $8.5 
Actual Return on Plan Assets27.1 145.6 (12.1)3.1 0.1 — 
Employer Contributions9.7 10.3 — — 8.3 8.6 
Plan Participant Contributions— — — — 0.1 0.1 
Benefits and Expenses Paid(91.1)(168.3)(5.9)(5.7)(8.8)(9.0)
Change in Foreign Exchange Rates— — (2.1)7.5 — — 
Fair Value of Plan Assets at End of Year$1,241.6 $1,295.9 $125.3 $145.4 $7.9 $8.2 
Underfunded Status
$277.0 $279.4 $26.8 $26.9 $64.9 $70.8 

(1) The actuarial gains recognized in 2024 for the U.S., U.K., and OPEB plans were driven by increases in the discount rate assumption. The actuarial losses recognized in 2023 for the U.S. and U.K. plans were driven by decreases in the discount rate assumption. Also contributing to the actuarial loss for the U.K. plan in 2023 was unfavorable plan experience resulting from a higher than expected rate of inflation. The actuarial gain recognized in 2023 for the OPEB plan was driven by favorable plan experience, mostly offset by a decrease in the discount rate assumption.
Schedule of Amounts Recognized in Balance Sheet
The amounts recognized in our consolidated balance sheets for our pension and OPEB plans at December 31, 2024 and 2023 are as follows.

 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Current Liability$9.4 $9.1 $— $— $0.7 $0.7 
Noncurrent Liability267.6 270.3 26.8 26.9 64.2 70.1 
Underfunded Status
$277.0 $279.4 $26.8 $26.9 $64.9 $70.8 
Unrecognized Pension and Postretirement Benefit Costs
   Net Actuarial Gain (Loss)$(496.0)$(510.2)$(91.7)$(95.0)$21.2 $21.2 
   Prior Service Credit (Cost)(0.5)(0.6)(0.2)(0.2)2.1 2.3 
(496.5)(510.8)(91.9)(95.2)23.3 23.5 
   Income Tax200.1 211.2 21.4 22.2 3.4 3.4 
Total Included in Accumulated Other Comprehensive Income (Loss)$(296.4)$(299.6)$(70.5)$(73.0)$26.7 $26.9 
Schedule of Amounts Recognized in Other Comprehensive Income (Loss)
The following table provides the changes recognized in other comprehensive income for the years ended December 31, 2024 and 2023.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
(in millions of dollars)
Accumulated Other Comprehensive Income (Loss) at Beginning of Year$(299.6)$(304.9)$(73.0)$(64.4)$26.9 $35.2 
Net Actuarial Gain (Loss)
Amortization14.6 15.2 2.9 2.5 (1.1)(10.5)
All Other Changes(0.4)(7.6)0.4 (13.8)1.1 0.1 
Prior Service Credit (Cost)
Amortization0.1 — — — (0.2)(0.2)
Change in Income Tax(11.1)(2.3)(0.8)2.7 — 2.3 
Accumulated Other Comprehensive Income (Loss) at End of Year$(296.4)$(299.6)$(70.5)$(73.0)$26.7 $26.9 
Defined Benefit Plan, Plan Assets, Category
The categorization of fair value measurements by input level for the invested assets in our U.S. plans is shown below. The carrying values of investment-related receivables and payables approximate fair value due to the short-term nature of the securities and are not included in the following chart. Investments valued using NAV as a practical expedient are not required to be categorized by input level, but these investments are included as follows to reconcile to total invested assets.

 December 31, 2024
 Quoted Prices
in Active Markets
for Identical Assets (Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Equity Securities:
Global$52.5 $— $— $372.3 $424.8 
Fixed Income Securities:
U.S. Government and Agencies1
234.5 (16.1)— — 218.4 
Corporate— — — 124.1 124.1 
Non-U.S. Emerging Markets— — — 32.4 32.4 
Opportunistic Credits— — — 139.6 139.6 
Real Estate— — — 166.1 166.1 
Alternative Investments:
Private Equity Direct Investments— — — 63.1 63.1 
Private Equity Funds of Funds— — — 35.2 35.2 
Cash Equivalents17.2 — — — 17.2 
Total Invested Assets$304.2 $(16.1)$— $932.8 $1,220.9 
1 U.S. Government and Agencies Fixed Income Securities includes derivative liabilities.
 December 31, 2023
 Quoted Prices
in Active 
Markets for 
Identical Assets
(Level 1)		Significant 
Other
Observable
Inputs
(Level 2) 		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Equity Securities:
Global$55.0 $— $— $390.8 $445.8 
Fixed Income Securities:
U.S. Government and Agencies1
215.9 40.8 — — 256.7 
Corporate— — — 130.0 130.0 
Non-U.S. Emerging Markets— — — 27.9 27.9 
Opportunistic Credits— — — 150.6 150.6 
Real Estate— — — 162.8 162.8 
Alternative Investments:
Private Equity Direct Investments— — — 68.5 68.5 
Private Equity Funds of Funds— — — 40.7 40.7 
Cash Equivalents16.0 — — — 16.0 
Total Invested Assets$286.9 $40.8 $— $971.3 $1,299.0 
1 U.S. Government and Agencies Fixed Income Securities includes derivative assets.
The categorization of fair value measurements by input level for the invested assets in our U.K. plan is shown below. Investments valued using NAV as a practical expedient are not required to be categorized by input level, but these investments are included as follows to reconcile to total invested assets.

 December 31, 2024
 Quoted Prices
in Active
Markets for Identical Assets (Level 1)		Significant 
Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient		Total
(in millions of dollars)
Invested Assets
Diversified Growth Assets$25.6 $— $9.8 $35.4 
Fixed Income and Index-linked Securities50.5 — — — 50.5 
Alternative Investments— — — 34.5 34.5 
Cash Equivalents5.3 — — — 5.3 
Total Invested Assets$81.4 $— $— $44.3 $125.7 

 December 31, 2023
 Quoted Prices
in Active 
Markets for 
Identical Assets
(Level 1)		Significant 
Other
Observable
Inputs
(Level 2) 		Significant
Unobservable
Inputs
(Level 3)		NAV as a Practical
Expedient 		Total
(in millions of dollars)
Invested Assets
Diversified Growth Assets$28.1 $— $— $5.9 $34.0 
Fixed Income and Index-linked Securities75.3 — — — 75.3 
Alternative Investments— — — 34.8 34.8 
Cash Equivalents1.3 — — — 1.3 
Total Invested Assets$104.7 $— $— $40.7 $145.4 
The categorization of fair value measurements by input level for the assets in our OPEB plan is as follows:

 December 31, 2024
 Quoted Prices
in Active Markets
for Identical Assets
(Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
(in millions of dollars)
Assets
Life Insurance Contracts$— $— $7.9 $7.9 

December 31, 2023
 Quoted Prices
in Active Markets
for Identical Assets
(Level 1)		Significant Other
Observable
Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
(in millions of dollars)
Assets
Life Insurance Contracts$— $— $8.2 $8.2 
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets
Changes in our OPEB plan assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the years ended December 31, 2024 and 2023 are as follows:

 Year Ended December 31, 2024
 Beginning
of Year		Actual Return on Plan AssetsContributionsNet Benefits and Expenses PaidEnd of Year
 
(in millions of dollars)
Life Insurance Contracts$8.2 $0.1 $8.4 $(8.8)$7.9 

 Year Ended December 31, 2023
 Beginning
of Year		Actual Return on Plan AssetsContributionsNet Benefits and Expenses PaidEnd of Year
 
(in millions of dollars)
Life Insurance Contracts$8.5 $— $8.7 $(9.0)$8.2 
Schedule of Assumptions Used
We use a December 31 measurement date for each of our plans. The weighted average assumptions used in the measurement of our benefit obligations as of December 31 and our net periodic benefit costs for the years ended December 31 are as follows:

 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232024202320242023
Benefit Obligations
   Discount Rate5.80 %5.40 %5.50 %4.50 %5.80 %5.40 %
   Rate of Compensation IncreaseN/AN/A2.50 %2.40 %N/AN/A
Net Periodic Benefit Cost
   Discount Rate5.40 %5.70 %4.50 %4.80 %5.40 %5.70 %
   Expected Return on Plan Assets7.25 %7.25 %6.50 %6.70 %5.75 %5.75 %
   Rate of Compensation IncreaseN/AN/A2.40 %2.50 %N/AN/A
Schedule of Net Benefit Costs
The following table provides the components of the net periodic benefit cost (credit) for the years ended December 31.
 Pension Benefits  
 U.S. PlansU.K. PlanOPEB
 202420232022202420232022202420232022
(in millions of dollars)
Service Cost$9.2 $9.2 $7.7 $— $— $— $— $— $— 
Interest Cost82.9 87.9 67.2 7.6 7.7 5.0 4.0 4.5 3.0 
Expected Return on Plan Assets(91.3)(92.0)(105.9)(8.4)(8.5)(10.9)(0.4)(0.5)(0.5)
Amortization of:
   Net Actuarial Loss (Gain)14.6 15.2 16.3 2.9 2.5 0.4 (1.1)(10.5)(1.0)
   Prior Service Cost (Credit)
0.1 — — — — — (0.2)(0.2)(0.2)
Total Net Periodic Benefit Cost (Credit)$15.5 $20.3 $(14.7)$2.1 $1.7 $(5.5)$2.3 $(6.7)$1.3 
Schedule of Expected Benefit Payments
The following table provides expected benefit payments, which reflect expected future service, as appropriate.
 U.S. PlansU.K. PlanOPEB
 (in millions of dollars)
Year
Pension Benefits
GrossSubsidy PaymentsNet
2025$87.7 $5.9 $8.8 $— $8.8 
202691.9 6.1 8.4 — 8.4 
202795.8 6.2 8.0 — 8.0 
202899.2 6.4 7.6 — 7.6 
2029102.2 6.6 7.2 — 7.2 
2030-2034545.1 35.3 30.2 0.1 30.1 
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Stockholders' Equity and Earnings Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2024
Stockholders' Equity and Earnings Per Common Share [Abstract]  
Schedule of Basic and Diluted Earnings Per Share
Net income per common share is determined as follows:

 Year Ended December 31
 202420232022
 (in millions of dollars, except share data)
Numerator
Net Income$1,779.1 $1,283.8 $1,407.2 
Denominator (000s)
Weighted Average Common Shares - Basic187,497.7 196,659.7 200,647.2 
Dilution for Assumed Exercises of Nonvested Stock Awards571.5 942.3 1,462.2 
Weighted Average Common Shares - Assuming Dilution188,069.2 197,602.0 202,109.4 
Net Income Per Common Share
Basic$9.49 $6.53 $7.01 
Assuming Dilution$9.46 $6.50 $6.96 
Treasury Stock Transactions
Our board of directors has authorized the following repurchase programs:

February 2025 Authorization
July 2024 Authorization1
October 2023 Authorization2
December 2022 Authorization3
October 2021 Authorization
(in millions)
Effective Date
April 1, 2025August 1, 2024January 1, 2024January 1, 2023October 25, 2021
Expiration Date
NoneMarch 31, 2025July 31, 2024December 31, 2023December 31, 2022
Authorized Repurchase Amount
$1,000.0 $1,000.0 $500.0 $250.0 $250.0 
Cost of Shares Repurchased Under Repurchase Program
— 506.8 464.2 250.0 250.0 
Unused and Expired
— — 35.8 — — 
Remaining Repurchase Amount at December 31, 2024
Not yet effective
$493.2 $— $— $— 
1Concurrent with the announcement of the February 2025 repurchase program, we also announced the termination of the July 2024 program as of March 31, 2025, and any unused amounts under that program will expire as of that date.
2Concurrent with the announcement of the July 2024 repurchase program, we also announced the termination of the October 2023 program as of July 31, 2024, and all unused amounts under that program expired as of that date.
3In February 2023, the December 2022 program was modified to increase the authorized repurchase amount from $200.0 million to $250.0 million.

In August 2022, the Inflation Reduction Act was signed into law in the U.S. and imposed a one percent excise tax on corporate stock repurchases effective January 1, 2023. This excise tax is recorded as part of the cost basis of treasury stock and is assessed on the fair market value of stock repurchases reduced by the fair market value of any shares issued during the period.
Common stock repurchases, which are accounted for using the cost method and classified as treasury stock until otherwise retired, were as follows:
Year Ended December 31
202420232022
(in millions)
Shares Repurchased15.7 5.7 5.7 
Cost of Shares Repurchased1
$979.3 $252.0 $200.1 

1 Includes $80.3 million related to shares which settled in February 2025 in connection with the November 2024 accelerated share repurchase agreement (ASR), a de minimis amount of commissions for the year ended December 31, 2024, and $0.1 million of commissions for the years ended December 31, 2023 and 2022. Also includes $8.3 million and $1.9 million of excise tax for the years ended December 31, 2024 and 2023, respectively. There were no excise taxes during the year ended December 31, 2022.

As a part of our share repurchase program, we periodically enter into ASRs. Under the terms of these agreements, we make a prepayment to a financial counterparty for which we receive an initial delivery of approximately 75 percent of the total Unum Group common stock to be delivered under the agreement. We simultaneously enter into a forward contract indexed to the price of Unum Group common stock, which subjects the transactions to a future price adjustment. Under the terms of the agreements, we are to receive, or be required to pay, a price adjustment based on the volume weighted average price of Unum Group common stock during the term of the agreement, less a discount. Any price adjustment payable to us is settled in shares of Unum Group common stock. Any price adjustment we would be required to pay may be settled in either cash or common stock at our option. Details of our ASRs are as follows:

Prepayment DatePrepayment AmountInitial Share DeliveryForward Contract Settlement DateShares Delivered to Settle Forward Contract
(in millions)
November 2024
$321.03.8
February 20251
0.7
October 2024$150.01.9
December 2024
0.3
July 2024
$150.02.2
September 2024
0.6
April 2024$125.01.7June 20240.7
January 2024$100.01.6March 20240.5
July 2023$50.00.8September 20230.2
February 2022
$50.01.3
April 2022
0.4
1The final price adjustment settlement, along with the delivery of the remaining shares, occurred in February 2025, resulting in the delivery to us of 0.7 million additional shares. As a result of the final settlement occurring subsequent to December 31, 2024, we recorded a decrease to additional paid-in capital within stockholders' equity on our consolidated balance sheet for the value of the shares held back by the counterparty as of December 31, 2024, which was reclassified to treasury stock in the first quarter of 2025 in connection with the final settlement of the agreement.

In December 2023, we retired 115.0 million shares of our treasury stock with a total cost of $3,642.5 million.
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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Valuation Assumptions on PSU Grants
The fair value of PSUs is estimated on the date of initial grant using the Monte-Carlo simulation model. Key assumptions used to value PSUs granted during 2020 are as follows:
Year Ended December 31, 2020
Expected Volatility (based on our and our peer group historical daily stock prices)23 %
Expected Life (equals the performance period)3 years
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)0.85 %
Activity for CIUs
Activity for CIUs, which are classified as a liability, is as follows:
Units
(000s)
Outstanding at December 31, 2023
17,028 
Granted
16,187 
Vested(13,442)
Forfeited(3,318)
Outstanding at December 31, 2024
16,455 
Schedule of Cash-based Payment Award, Cash-incentive Units, Valuation Assumptions
The fair value of CIUs is estimated at each reporting period using the Monte-Carlo simulation model. Key assumptions used to value CIUs granted are as follows:
Assumptions as of the Year Ended December 31, 2024
2024 Grant2023 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %30 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.25 %4.19 %

Assumptions as of the Year Ended December 31, 2023
2023 Grant2022 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %27 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.26 %4.75 %

Assumptions as of the Year Ended December 31, 2022
2022 Grant2021 Grant
Expected Volatility (based on our and our peer group historical daily stock prices)30 %33 %
Expected Life (equals the performance period)2 years1 year
Risk Free Interest Rate (based on U.S. Treasury yields at the date of grant)4.26 %4.60 %
Activity for Restricted Stock Units
Activity for RSUs, which are classified as equity, is as follows:
Weighted Average
SharesGrant Date
(000s)Fair Value
Outstanding at December 31, 20231,213 $35.51 
Granted825 49.57 
Vested(906)37.88 
Forfeited(145)40.71 
Outstanding at December 31, 2024987 44.31 
Schedule of Compensation Cost for Share-based Payment Arrangements
Compensation expense for the stock based plans, as reported in our consolidated statements of income, is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Performance Share Units$— $0.3 $5.7 
Cash Incentive Units12.4 21.7 12.8 
Restricted Stock Units and Cash-Settled Restricted Stock Units34.5 40.6 32.7 
Stock Success Units0.1 0.9 0.9 
Other0.8 0.6 0.6 
Total Compensation Expense, Before Income Tax$47.8 $64.1 $52.7 
Total Compensation Expense, Net of Income Tax$41.6 $57.5 $47.3 
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Reinsurance (Tables)
 12 Months Ended
Dec. 31, 2024
Reinsurance Disclosures [Abstract]  
Effects of Reinsurance
Reinsurance activity related to our premium income, policy benefits, and policy benefits remeasurement gain are as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Direct Premium Income$10,732.1 $10,286.8 $9,893.6 
Reinsurance Assumed69.8 80.4 78.7 
Reinsurance Ceded(304.5)(321.2)(355.8)
Net Premium Income$10,497.4 $10,046.0 $9,616.5 
Direct Policy Benefits
$8,027.9 $8,001.8 $8,205.3 
Reinsurance Assumed
152.5 138.7 135.1 
Reinsurance Ceded
(700.2)(828.6)(798.3)
Net Policy Benefits
$7,480.2 $7,311.9 $7,542.1 
Direct Policy Benefits - Remeasurement Gain
$(546.8)$(49.2)$(372.5)
Reinsurance Assumed
2.2 (0.1)36.4 
Reinsurance Ceded
(17.7)(5.5)(211.4)
Net Policy Benefits - Remeasurement Gain
$(562.3)$(54.8)$(547.5)
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Segment Information (Tables)
 12 Months Ended
Dec. 31, 2024
Segment Reporting [Abstract]  
Premium Income by Major Line of Business within Each Segment
Segment information is shown below.

Year Ended December 31
202420232022
(in millions of dollars)
Premium Income
Unum US
Group Disability
Group Long-term Disability$2,086.1 $2,057.2 $1,911.7 
Group Short-term Disability1,084.0 1,012.3 926.3 
Group Life and Accidental Death & Dismemberment
Group Life1,784.7 1,679.0 1,669.1 
Accidental Death & Dismemberment186.1 175.5 173.7 
Supplemental and Voluntary
Voluntary Benefits879.2 850.1 833.7 
Individual Disability566.0 527.0 461.1 
Dental and Vision297.1 278.1 275.8 
6,883.2 6,579.2 6,251.4 
Unum International
Unum UK
Group Long-term Disability418.0 396.1 376.9 
Group Life211.3 169.3 138.2 
Supplemental165.6 141.5 114.0 
Unum Poland154.6 118.3 89.7 
949.5 825.2 718.8 
Colonial Life
Accident, Sickness, and Disability969.5 946.1 948.9 
Life458.0 426.5 401.1 
Cancer and Critical Illness356.4 353.5 352.0 
1,783.9 1,726.1 1,702.0 
Closed Block
Long-term Care696.1 696.0 697.4 
All Other184.7 219.5 246.9 
880.8 915.5 944.3 
Total Premium Income$10,497.4 $10,046.0 $9,616.5 
Selected Operating Statement Data by Segment
Year Ended December 31, 2024
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,883.2 $949.5 $1,783.9 $880.8 $— $10,497.4 
Net Investment Income632.2 128.8 161.5 1,148.9 58.6 2,130.0 
Other Income235.9 1.6 4.0 51.7 1.3 294.5 
Adjusted Operating Revenue$7,751.3 $1,079.9 $1,949.4 $2,081.4 $59.9 $12,921.9 
Adjusted Policy Benefits1
$4,246.5 $693.6 $885.4 $1,629.6 $— $7,455.1 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(238.2)(44.4)(34.7)112.4 — (204.9)
Commissions729.3 82.5 378.4 68.4 — 1,258.6 
Interest and Debt Expense— — — — 201.1 201.1 
Deferral of Acquisition Costs
(320.9)(17.8)(312.8)— — (651.5)
Amortization of Deferred Acquisition Costs292.5 9.5 219.0 — — 521.0 
Other Segment Items3
1,602.9 198.7 347.4 133.2 50.0 2,332.2 
Adjusted Benefits and Expenses
$6,312.1 $922.1 $1,482.7 $1,943.6 $251.1 $10,911.6 
Adjusted Operating Income (Loss)$1,439.2 $157.8 $466.7 $137.8 $(191.2)$2,010.3 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment and the loss on legal settlement in the Corporate segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2024 was $85.0 million, $17.9 million, $15.1 million, $5.4 million, and $0.1 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
Year Ended December 31, 2023
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,579.2 $825.2 $1,726.1 $915.5 $— $10,046.0 
Net Investment Income639.9 137.2 153.5 1,066.3 99.8 2,096.7 
Other Income220.5 1.6 1.2 52.6 3.3 279.2 
Adjusted Operating Revenue$7,439.6 $964.0 $1,880.8 $2,034.4 $103.1 $12,421.9 
Adjusted Policy Benefits1
$4,221.2 $581.4 $877.1 $1,597.4 $— $7,277.1 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(283.9)(19.5)1.7 69.7 — (232.0)
Commissions664.4 72.5 359.4 73.8 — 1,170.1 
Interest and Debt Expense— — — — 194.8 194.8 
Deferral of Acquisition Costs(314.7)(14.6)(302.9)— — (632.2)
Amortization of Deferred Acquisition Costs267.6 8.4 205.4 — — 481.4 
Other Segment Items3
1,529.5 177.7 340.0 128.6 54.7 2,230.5 
Adjusted Benefits and Expenses
$6,084.1 $805.9 $1,480.7 $1,869.5 $249.5 $10,489.7 
Adjusted Operating Income (Loss)$1,355.5 $158.1 $400.1 $164.9 $(146.4)$1,932.2 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2023 was $76.3 million, $14.6 million, $13.6 million, $5.2 million and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
Year Ended December 31, 2022
Unum USUnum InternationalColonial LifeClosed BlockCorporateTotal
(in millions of dollars)
Premium Income$6,251.4 $718.8 $1,702.0 $944.3 $— $9,616.5 
Net Investment Income676.3 170.1 152.7 1,070.6 52.5 2,122.2 
Other Income196.3 0.9 1.1 58.0 4.8 261.1 
Adjusted Operating Revenue$7,124.0 $889.8 $1,855.8 $2,072.9 $57.3 $11,999.8 
Adjusted Policy Benefits1
$4,429.6 $521.6 $926.6 $1,620.5 $— $7,498.3 
Adjusted Policy Benefits - Remeasurement Loss (Gain)2
(287.9)35.6 (45.3)2.8 — (294.8)
Commissions614.4 56.3 340.0 75.7 — 1,086.4 
Interest and Debt Expense— — — — 192.7 192.7 
Deferral of Acquisition Costs(273.1)(12.0)(271.8)— — (556.9)
Amortization of Deferred Acquisition Costs240.9 8.2 172.0 — — 421.1 
Other Segment Items3
1,427.5 146.1 321.4 122.0 28.9 2,045.9 
Adjusted Benefits and Expenses
$6,151.4 $755.8 $1,442.9 $1,821.0 $221.6 $10,392.7 
Adjusted Operating Income (Loss)
$972.6 $134.0 $412.9 $251.9 $(164.3)$1,607.1 
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter and the impact of non-contemporaneous reinsurance in the Closed Block segment.
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2022 was $75.7 million, $14.4 million, $15.0 million, $4.7 million, and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
Assets by Segment
December 31
20242023
(in millions of dollars)
Assets
Unum US$14,981.6 $15,561.1 
Unum International3,291.3 3,372.9 
Colonial Life4,964.2 4,830.4 
Closed Block33,376.0 35,272.8 
Corporate5,346.2 4,218.0 
Total Assets$61,959.3 $63,255.2 
Reconciliation of Total Revenue and Income Before Income Tax to Adjusted Operating Revenue and Adjusted Operating Income
A reconciliation of total revenue to "adjusted operating revenue" and income before income tax to "adjusted operating income" is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Total Revenue$12,887.3 $12,385.9 $11,984.1 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Adjusted Operating Revenue$12,921.9 $12,421.9 $11,999.8 
Income Before Income Tax$2,251.3 $1,640.1 $1,750.0 
Excluding:
Net Investment Loss(34.6)(36.0)(15.7)
Amortization of the Cost of Reinsurance(41.4)(44.1)(50.3)
Non-Contemporaneous Reinsurance
(25.1)(34.8)(34.4)
Reserve Assumption Updates357.4 (177.2)243.3 
Loss on Legal Settlement(15.3)— — 
Adjusted Operating Income$2,010.3 $1,932.2 $1,607.1 
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Leases (Tables)
 12 Months Ended
Dec. 31, 2024
Leases [Abstract]  
Lease, Cost
Operating lease information is as follows:
Year Ended December 31
202420232022
(in millions of dollars)
Lease Cost
Operating Lease Cost$17.3 $16.4 $19.6 
Sublease Income(1.7)(1.5)(1.1)
Total Lease Cost$15.6 $14.9 $18.5 
Other Information
Cash Paid for Amounts Included in the Measurement of Lease Liabilities$20.7 $20.3 $23.1 
Weighted-Average Remaining Lease Term5 years5 years6 years
Weighted-Average Discount Rate5.19 %4.85 %4.32 %
Lessee, Operating Lease, Liability, Maturity
As of December 31, 2024, aggregate undiscounted minimum lease payments and the reconciliation to our lease liability are as follows (in millions of dollars):

2025$17.4 
202615.9 
202713.6 
202812.4 
202911.1 
2030 and Thereafter11.1 
Total81.5 
Less Imputed Interest12.1 
Lease Liability$69.4 
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Statutory Financial Information (Tables)
 12 Months Ended
Dec. 31, 2024
Statutory Financial Information [Abstract]  
Statutory Earnings and Surplus
The operating results and capital and surplus of our traditional U.S. life insurance subsidiaries and our captive reinsurer, prepared in accordance with prescribed or permitted accounting practices of the NAIC or states of domicile, are presented separately below.
Year Ended December 31
202420232022
(in millions of dollars)
Combined Net Income (Loss)
Traditional U.S. Life Insurance Subsidiaries$1,322.4 $1,329.9 $965.4 
Captive Reinsurer
$662.2 $(318.3)$(432.2)
Combined Net Gain (Loss) from Operations, After Tax
Traditional U.S. Life Insurance Subsidiaries$1,337.0 $1,351.5 $965.4 
Captive Reinsurer
$660.3 $(279.4)$(428.6)

December 31
20242023
(in millions of dollars)
Combined Capital and Surplus
Traditional U.S. Life Insurance Subsidiaries$3,909.7 $3,751.3 
Captive Reinsurer
$1,931.6 $1,534.9 
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Schedule II Condensed Financial Information of Registrant (Tables) - Parent Company
 12 Months Ended
Dec. 31, 2024
Condensed Financial Statements, Captions  
Condensed Balance Sheet of Parent Company
BALANCE SHEETS
December 31
20242023
(in millions of dollars)
Assets
Fixed Maturity Securities - at fair value (amortized cost: $545.0; $656.2)
$497.4 $596.1 
Other Long-term Investments32.7 27.0 
Short-term Investments1,397.5 970.9 
Investment in Subsidiaries12,982.0 11,663.6 
Deferred Income Tax122.5 118.1 
Other Assets620.0 593.6 
Total Assets$15,652.1 $13,969.3 
Liabilities and Stockholders' Equity
Liabilities
Short-term Debt
$274.6 $— 
Long-term Debt3,465.2 3,430.4 
Pension and Postretirement Benefits341.9 350.2 
Other Liabilities609.3 537.3 
Total Liabilities4,691.0 4,317.9 
Stockholders' Equity
Common Stock, $0.10 par
Authorized: 725,000,000 shares
Issued: 195,460,723 and 194,588,625 shares
19.5 19.4 
Additional Paid-in Capital1,489.6 1,547.8 
Accumulated Other Comprehensive Loss
(2,523.7)(3,308.0)
Retained Earnings12,914.0 11,431.5 
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares
(938.3)(39.3)
Total Stockholders' Equity10,961.1 9,651.4 
Total Liabilities and Stockholders' Equity$15,652.1 $13,969.3 
Condensed Income Statement of Parent Company
STATEMENTS OF INCOME
Year Ended December 31
202420232022
(in millions of dollars)
Cash Dividends from Subsidiaries$1,378.7 $1,581.1 $1,306.6 
Non-Cash Dividends from Subsidiaries33.0 — 23.0 
Other Income100.5 90.3 81.8 
Total Revenue1,512.2 1,671.4 1,411.4 
Interest and Debt Expense201.1 194.8 188.5 
Cost Related to Early Retirement of Debt— — 4.2 
Other Expenses70.8 54.2 35.6 
Total Expenses271.9 249.0 228.3 
Income of Parent Company Before Income Tax1,240.3 1,422.4 1,183.1 
Income Tax Expense (Benefit)(33.7)(9.5)14.7 
Income of Parent Company1,274.0 1,431.9 1,168.4 
Equity in Undistributed Earnings (Loss) of Subsidiaries505.1 (148.1)238.8 
Net Income1,779.1 1,283.8 1,407.2 
Other Comprehensive Income, Net of Tax
784.3 140.3 1,716.3 
Comprehensive Income
$2,563.4 $1,424.1 $3,123.5 
Condensed Cash Flow Statement of Parent Company
STATEMENTS OF CASH FLOWS
Year Ended December 31
202420232022
(in millions of dollars)
Cash Provided by Operating Activities$1,358.2 $1,548.0 $1,250.2 
Cash Flows from Investing Activities
Proceeds from Sales and Maturities of Fixed Maturity Securities378.0 97.1 192.1 
Proceeds from Sales and Maturities of Other Investments25.1 23.9 7.4 
Purchase of Fixed Maturity Securities(3.0)(44.5)(102.7)
Purchase of Other Investments(16.1)(23.4)(32.0)
Net Purchases of Short-term Investments
(375.4)(104.4)(209.6)
Cash Distributions to Subsidiaries(40.2)(854.5)(540.2)
Net Purchases of Property and Equipment(91.1)(113.1)(94.0)
Cash Used by Investing Activities(122.7)(1,018.9)(779.0)
Cash Flows from Financing Activities
Short-term Debt Repayment— (2.0)— 
Issuance of Long-term Debt391.6 — 349.2 
Long-term Debt Repayment(350.0)— (364.0)
Cost Related to Early Retirement of Debt— — (3.6)
Issuance of Common Stock6.0 5.2 4.0 
Repurchase of Common Stock(972.9)(250.1)(200.1)
Dividends Paid to Stockholders(296.5)(277.1)(254.2)
Other, Net(9.9)— 0.7 
Cash Used by Financing Activities(1,231.7)(524.0)(468.0)
Increase in Cash$3.8 $5.1 $3.2 
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Significant Accounting Policies - Additional Information (Detail)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Integer
$ / shares
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
$ / shares
New Accounting Pronouncements or Change in Accounting Principle      
Number of Operating Segments | Integer 3    
Premium Income $ 10,497.4 $ 10,046.0 $ 9,616.5
Commissions 1,258.6 1,170.1 1,086.4
Ceded Policy Loans 3,313.6 3,322.5  
Premium Receivable, Allowance for Credit Loss 26.8 29.5  
Premiums Receivable, Gross 584.1 612.4  
Premium Receivable, Credit Loss Expense (Reversal) (2.7) (3.0)  
Accumulated Depreciation for Property and Equipment 1,501.3 1,422.8  
Value of Business Acquired 55.1 63.9  
Accumulated Amortization of Value of Business Acquired 165.5 161.8  
Amortization of Value of Business Acquired 6.2 5.2 4.9
Prepaid Reinsurance Premiums 508.0 549.4  
Deferred Gain on Reinsurance 4.9 8.8  
Reinsurance Recoverable, Allowance for Credit Loss 1.5 1.7  
Premium Tax Expense 194.5 183.5 $ 169.3
Participation Fund Account Assets (PFA) $ 231.3 $ 244.4  
Basic Earnings Per Share | $ / shares $ 9.49 $ 6.53 $ 7.01
Diluted Earnings Per Share | $ / shares $ 9.46 $ 6.50 $ 6.96
Net Income $ 1,779.1 $ 1,283.8 $ 1,407.2
Change in Accounting Method Accounted for as Change in Estimate      
New Accounting Pronouncements or Change in Accounting Principle      
Premium Income     (13.4)
Commissions     $ (1.0)
Basic Earnings Per Share | $ / shares     $ 0.05
Diluted Earnings Per Share | $ / shares     $ 0.05
Net Income     $ (9.8)
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Fair Values of Financial Instruments Private Equity Partnerships (Details) - Private Equity Funds - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments $ 1,450.6 $ 1,326.2
Alternative Investments, Unfunded Commitments 768.5 803.1
Private Credit    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments 289.2 283.6
Alternative Investments, Unfunded Commitments 129.2 136.8
Private Credit | Not Redeemable    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments [1] 236.9 239.1
Alternative Investments, Unfunded Commitments 118.9 128.2
Private Credit | Quarterly [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments 52.3 44.5
Alternative Investments, Unfunded Commitments 10.3 8.6
Private Equity Limited Partnership    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments 640.2 571.9
Alternative Investments, Unfunded Commitments 409.2 427.2
Private Equity Limited Partnership | Not Redeemable    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments [2] 604.1 543.9
Alternative Investments, Unfunded Commitments 398.2 410.6
Private Equity Limited Partnership | Quarterly after 5.5 year lock with 90 days notice [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments 36.1 28.0
Alternative Investments, Unfunded Commitments 11.0 16.6
Real Assets    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments 521.2 470.7
Alternative Investments, Unfunded Commitments 230.1 239.1
Real Assets | Not Redeemable    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments [3] 486.6 437.5
Alternative Investments, Unfunded Commitments 230.1 239.1
Real Assets | Quarterly [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share    
Alternative Investments 34.6 33.2
Alternative Investments, Unfunded Commitments $ 0.0 $ 0.0
[1] Private Credit - The limited partnerships described in this category employ various investment strategies, generally providing direct lending or other forms of debt financing including first-lien, second-lien, mezzanine, and subordinated loans. The limited partnerships have credit exposure to corporates, physical assets, and/or financial assets within a variety of industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail) in North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 78 percent in the next 3 years, 12 percent during the period from 3 to 5 years, and 10 percent during the period from 5 to 10 years.
[2] Private Equity - The limited partnerships described in this category employ various strategies generally investing in controlling or minority control equity positions directly in companies and/or assets across various industries (including manufacturing, healthcare, energy, business services, technology, materials, and retail), primarily in private markets within North America and, to a lesser extent, outside of North America.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 27 percent during the period from 3 to 5 years, 36 percent during the period from 5 to 10 years, and 1 percent during the period from 10 to 15 years.
[3] Real Assets - The limited partnerships described in this category employ various strategies, which include investing in the equity and/or debt financing of physical assets, including infrastructure (energy, power, water/wastewater, communications), transportation (including airports, ports, toll roads, aircraft, railcars) and real estate in North America, Europe, South America, and Asia.  As of December 31, 2024, the estimated remaining life of the investments that do not allow for redemptions is approximately 36 percent in the next 3 years, 26 percent during the period from 3 to 5 years, and 38 percent during the period from 5 to 10 years.
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Fair Value Measurements by Input Level (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Assets    
Fixed Maturity Securities $ 35,629.9 $ 36,833.9
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other Long-term Investments Other Long-term Investments
Derivative Assets $ 90.9 $ 99.9
Equity Securities 24.5 31.9
Other Long-term Investments 1,694.4 1,579.4
Assets, Fair Value Disclosure $ 37,195.9 $ 38,291.9
Liabilities    
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities Other Liabilities
Derivative Liabilities $ 255.7 $ 117.7
Liabilities, Fair Value Disclosure 255.7 117.7
Forwards    
Liabilities    
Derivative Liabilities 223.2 78.0
Foreign Exchange Contracts    
Liabilities    
Derivative Liabilities 32.5 38.2
Embedded Derivative in Modified Coinsurance Arrangement    
Assets    
Derivative Assets 11.5  
Liabilities    
Derivative Liabilities   1.5
Fair Value, Measurements, Recurring    
Assets    
Other Long-term Investments 1,566.0 1,458.0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 4,180.5 4,286.5
Equity Securities 0.0 0.0
Assets, Fair Value Disclosure 4,180.5 4,286.5
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Embedded Derivative in Modified Coinsurance Arrangement    
Assets    
Derivative Assets 0.0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 31,304.4 32,391.1
Derivative Assets 79.4 99.9
Equity Securities 0.1 10.3
Other Long-term Investments 79.5 110.2
Assets, Fair Value Disclosure 31,383.9 32,501.3
Liabilities    
Derivative Liabilities 255.7 116.2
Liabilities, Fair Value Disclosure 255.7 116.2
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Forwards    
Liabilities    
Derivative Liabilities 223.2 78.0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Foreign Exchange Contracts    
Liabilities    
Derivative Liabilities 32.5 38.2
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Embedded Derivative in Modified Coinsurance Arrangement    
Assets    
Derivative Assets 0.0  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 145.0 156.3
Derivative Assets 11.5  
Equity Securities 24.4 21.6
Other Long-term Investments 35.9 21.6
Assets, Fair Value Disclosure 180.9 177.9
Liabilities    
Derivative Liabilities   1.5
Liabilities, Fair Value Disclosure   1.5
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Embedded Derivative in Modified Coinsurance Arrangement    
Assets    
Derivative Assets 11.5  
Liabilities    
Derivative Liabilities   1.5
Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
Equity Securities 0.0 0.0
Other Long-term Investments 1,450.6 1,326.2
Assets, Fair Value Disclosure 1,450.6 1,326.2
Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share | Embedded Derivative in Modified Coinsurance Arrangement    
Assets    
Derivative Assets 0.0  
United States Government and Government Agencies and Authorities    
Assets    
Fixed Maturity Securities 530.5 624.8
United States Government and Government Agencies and Authorities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 77.9 0.0
United States Government and Government Agencies and Authorities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 452.6 624.8
United States Government and Government Agencies and Authorities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 0.0 0.0
United States Government and Government Agencies and Authorities | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
States, Municipalities, and Political Subdivisions    
Assets    
Fixed Maturity Securities 3,291.4 3,678.4
States, Municipalities, and Political Subdivisions | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 0.0 0.0
States, Municipalities, and Political Subdivisions | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 3,291.4 3,678.4
States, Municipalities, and Political Subdivisions | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 0.0 0.0
States, Municipalities, and Political Subdivisions | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
Foreign Governments    
Assets    
Fixed Maturity Securities 768.1 890.7
Foreign Governments | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 0.0 0.0
Foreign Governments | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 768.1 890.7
Foreign Governments | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 0.0 0.0
Foreign Governments | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
Public Utilities    
Assets    
Fixed Maturity Securities 5,292.9 5,321.6
Public Utilities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 174.5 301.3
Public Utilities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 5,118.4 5,020.3
Public Utilities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 0.0 0.0
Public Utilities | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
Mortgage/Asset-backed Securities    
Assets    
Fixed Maturity Securities [1] 917.2 644.1
Mortgage/Asset-backed Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 0.0 0.0
Mortgage/Asset-backed Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 843.7 611.2
Mortgage/Asset-backed Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 73.5 32.9
Mortgage/Asset-backed Securities | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
All Other Corporate Bonds    
Assets    
Fixed Maturity Securities 24,822.2 25,670.7
All Other Corporate Bonds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 3,928.1 3,985.2
All Other Corporate Bonds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 20,822.6 21,562.1
All Other Corporate Bonds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 71.5 123.4
All Other Corporate Bonds | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
Redeemable Preferred Stocks    
Assets    
Fixed Maturity Securities 7.6 3.6
Redeemable Preferred Stocks | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Fixed Maturity Securities 0.0 0.0
Redeemable Preferred Stocks | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Fixed Maturity Securities 7.6 3.6
Redeemable Preferred Stocks | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Fixed Maturity Securities 0.0 0.0
Redeemable Preferred Stocks | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Fixed Maturity Securities 0.0 0.0
Forwards    
Assets    
Derivative Assets 6.5 47.5
Forwards | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Derivative Assets 6.5 47.5
Foreign Exchange Contracts    
Assets    
Derivative Assets 72.9 52.4
Foreign Exchange Contracts | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Derivative Assets 72.9 52.4
Private Equity Funds    
Assets    
Alternative Investments 1,450.6 1,326.2
Private Equity Funds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Assets    
Alternative Investments 0.0 0.0
Private Equity Funds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Assets    
Alternative Investments 0.0 0.0
Private Equity Funds | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Assets    
Alternative Investments 0.0 0.0
Private Equity Funds | Fair Value, Measurements, Recurring | Fair Value Measured at Net Asset Value Per Share    
Assets    
Alternative Investments $ 1,450.6 $ 1,326.2
[1]
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
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Changes in Assets and Liabilities Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs (Level 3) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Embedded Derivative in Modified Coinsurance Arrangement    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation    
Derivatives Measured with Unobservable Inputs, Beginning Balance $ (1.5) $ (13.9)
Derivative Liability Gain (Loss) Included in Earnings 13.0 12.4
Derivative Liability Gain (Loss) Included in OCI 0.0 0.0
Derivative Purchases 0.0 0.0
Derivative Sales 0.0 0.0
Derivative Transfers Into Level 3 0.0 0.0
Derivative Transfers Out of Level 3 0.0 0.0
Derivatives Measured with Unobservable Inputs, Ending Balance 11.5 (1.5)
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI 0.0 0.0
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) 13.0 12.4
States, Municipalities, and Political Subdivisions    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Assets Measured with Unobservable Inputs, Beginning Balance 0.0 0.2
Investment Gain (Loss) included in Earnings   0.0
Investment Gain (Loss) included in OCI   0.0
Investment Purchases   0.0
Investment Sales   0.0
Investment Level 3 Transfers Into   0.0
Investment Level 3 Transfers Out of   0.2
Assets Measured with Unobservable Inputs, Ending Balance   0.0
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in OCI   0.0
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in Earnings   0.0
Public Utilities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Assets Measured with Unobservable Inputs, Beginning Balance 0.0 0.0
Investment Gain (Loss) included in Earnings (1.1) 0.1
Investment Gain (Loss) included in OCI 1.3 (0.1)
Investment Purchases 0.0 0.0
Investment Sales (20.4) (50.5)
Investment Level 3 Transfers Into 20.2 50.5
Investment Level 3 Transfers Out of 0.0 0.0
Assets Measured with Unobservable Inputs, Ending Balance 0.0 0.0
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in OCI 0.0 0.0
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in Earnings 0.0 0.0
Mortgage/Asset-backed Securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Assets Measured with Unobservable Inputs, Beginning Balance 32.9 22.0
Investment Gain (Loss) included in Earnings 0.0 0.0
Investment Gain (Loss) included in OCI 0.6 (0.2)
Investment Purchases 38.5 20.0
Investment Sales (2.6) (0.5)
Investment Level 3 Transfers Into 4.1 0.4
Investment Level 3 Transfers Out of 0.0 8.8
Assets Measured with Unobservable Inputs, Ending Balance 73.5 32.9
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in OCI (0.6) 0.2
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in Earnings 0.0
All Other Corporate Bonds    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Assets Measured with Unobservable Inputs, Beginning Balance 123.4 158.7
Investment Gain (Loss) included in Earnings (3.5) (5.0)
Investment Gain (Loss) included in OCI 8.9 (15.8)
Investment Purchases 3.2 1.5
Investment Sales (329.8) (334.1)
Investment Level 3 Transfers Into 318.1 385.0
Investment Level 3 Transfers Out of 48.8 66.9
Assets Measured with Unobservable Inputs, Ending Balance 71.5 123.4
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in OCI (8.9) 15.8
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in Earnings 0.0 0.0
Fixed Maturity Securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Assets Measured with Unobservable Inputs, Beginning Balance 156.3 180.9
Investment Gain (Loss) included in Earnings (4.6) (4.9)
Investment Gain (Loss) included in OCI 10.8 (16.1)
Investment Purchases 41.7 21.5
Investment Sales (352.8) (385.1)
Investment Level 3 Transfers Into 342.4 435.9
Investment Level 3 Transfers Out of 48.8 75.9
Assets Measured with Unobservable Inputs, Ending Balance 145.0 156.3
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in OCI (9.5) 16.0
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in Earnings 0.0 0.0
Perpetual Preferred Securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Assets Measured with Unobservable Inputs, Beginning Balance 21.6 16.2
Investment Gain (Loss) included in Earnings 2.3 0.6
Investment Gain (Loss) included in OCI 0.0 0.0
Investment Purchases 0.5 4.8
Investment Sales 0.0 0.0
Investment Level 3 Transfers Into 0.0 0.0
Investment Level 3 Transfers Out of 0.0 0.0
Assets Measured with Unobservable Inputs, Ending Balance 24.4 21.6
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in OCI 0.0 0.0
Change in Unrealized Gain (Loss) on Securities Held at the End of Period Included in Earnings $ 2.3 $ 0.6
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Quantitative Information Regarding Significant Unobservable Inputs (Details)
$ in Millions
Dec. 31, 2024
USD ($)
Rate
Dec. 31, 2023
USD ($)
Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fixed Maturity Securities $ 35,629.9 $ 36,833.9
Equity Securities 24.5 31.9
All Other Corporate Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fixed Maturity Securities 24,822.2 25,670.7
Mortgage/Asset-backed Securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fixed Maturity Securities [1] 917.2 644.1
Fair Value, Inputs, Level 3 | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Securities [2] 24.4 21.6
Fair Value, Inputs, Level 3 | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded Derivative Asset in Modified Coinsurance Arrangement [3] $ 11.5  
Embedded Derivative Liability in Modified Coinsurance Arrangement [3]   $ (1.5)
Fair Value, Inputs, Level 3 | Discounted Cash Flow | Weighted Average | Input Measurement, Spread of Swap Curve    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded Derivative Liability, Measurement Input | Rate   0.002
Embedded Derivative Asset, Measurement Input | Rate (0.0023)  
Fair Value, Inputs, Level 3 | All Other Corporate Bonds | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fixed Maturity Securities [2],[4] $ 16.3 $ 15.9
Fair Value, Inputs, Level 3 | All Other Corporate Bonds | Market Approach | Minimum | Volatility of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
All Other Corporate Bonds - Private, Measurement Input | Rate 0.0500 0.0500
Fair Value, Inputs, Level 3 | All Other Corporate Bonds | Market Approach | Maximum | Volatility of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
All Other Corporate Bonds - Private, Measurement Input | Rate 0.0500 0.0500
Fair Value, Inputs, Level 3 | All Other Corporate Bonds | Market Approach | Weighted Average | Volatility of Credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
All Other Corporate Bonds - Private, Measurement Input | Rate 0.0500 0.0500
Fair Value, Inputs, Level 3 | Mortgage/Asset-backed Securities | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fixed Maturity Securities $ 21.2  
[1]
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
[2] Represents a decision to price based on par value, cost, owner's equity, or the price of the most recent capital funding round when limited data is available
[3] Represents various actuarial assumptions required to derive the liability cash flows. Fair value of embedded derivative is most often driven by the change in the weighted average credit spread to the swap curve for the assets backing the hypothetical loan
[4] Represents basis point adjustments for credit-specific factors
XML 76 R54.htm IDEA: XBRL DOCUMENT v3.25.0.1
Fair Values of Financial Instruments Carrying Amounts and Estimated Fair value of Financial Instruments Not Measured at Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Mortgage Loans $ 2,224.5 $ 2,318.2
Policy Loans 3,617.2 3,620.2
Long-term Debt 3,465.2 3,430.4
Unfunded Commitments 0.2  
Liabilities, Fair Value Disclosure 255.7 117.7
Fair Value, Nonrecurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Mortgage Loans, Fair Value Disclosure 1,975.4 2,070.7
Mortgage Loans 2,224.5 2,318.2
Policy Loans, Fair Value Disclosure 3,672.9 3,696.3
Policy Loans 3,617.2 3,620.2
Miscellaneous Long-Term Investments, Fair Value Disclosure 26.9 16.0
Miscellaneous Long-Term Investments 26.9 16.0
Financial Instruments, Financial Assets Fair Value Disclosure 5,675.2 5,783.0
Total Financial Instrument Assets Not Carried at Fair Value 5,868.6 5,954.4
Long-term Debt, Fair Value Disclosure 3,289.3 3,227.9
Long-term Debt 3,465.2 3,430.4
Unfunded Commitments 0.2 0.2
Federal Home Loan Bank Funding Agreements, Fair Value Disclosure 324.2 64.5
Liabilities, Fair Value Disclosure 3,613.7 3,292.6
Total Financial Instrument Liabilities Not Carried at Fair Value 3,789.6 3,495.1
Fair Value, Inputs, Level 1 | Fair Value, Nonrecurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Mortgage Loans, Fair Value Disclosure 0.0 0.0
Policy Loans, Fair Value Disclosure 0.0 0.0
Miscellaneous Long-Term Investments, Fair Value Disclosure 0.0 0.0
Financial Instruments, Financial Assets Fair Value Disclosure 0.0 0.0
Long-term Debt, Fair Value Disclosure 3,246.1 2,629.1
Unfunded Commitments 0.0 0.0
Federal Home Loan Bank Funding Agreements, Fair Value Disclosure 0.0 0.0
Liabilities, Fair Value Disclosure 3,246.1 2,629.1
Fair Value, Inputs, Level 2 | Fair Value, Nonrecurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Mortgage Loans, Fair Value Disclosure 1,975.4 2,070.7
Policy Loans, Fair Value Disclosure 0.0 0.0
Miscellaneous Long-Term Investments, Fair Value Disclosure 26.7 15.7
Financial Instruments, Financial Assets Fair Value Disclosure 2,002.1 2,086.4
Long-term Debt, Fair Value Disclosure 43.2 598.8
Unfunded Commitments 0.2 0.2
Federal Home Loan Bank Funding Agreements, Fair Value Disclosure 324.2 64.5
Liabilities, Fair Value Disclosure 367.6 663.5
Fair Value, Inputs, Level 3 | Fair Value, Nonrecurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Mortgage Loans, Fair Value Disclosure 0.0 0.0
Policy Loans, Fair Value Disclosure 3,672.9 3,696.3
Miscellaneous Long-Term Investments, Fair Value Disclosure 0.2 0.3
Financial Instruments, Financial Assets Fair Value Disclosure 3,673.1 3,696.6
Long-term Debt, Fair Value Disclosure 0.0 0.0
Unfunded Commitments 0.0 0.0
Federal Home Loan Bank Funding Agreements, Fair Value Disclosure 0.0 0.0
Liabilities, Fair Value Disclosure $ 0.0 $ 0.0
XML 77 R55.htm IDEA: XBRL DOCUMENT v3.25.0.1
Fair Value of Financial Instruments Additional Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Ceded Policy Loans $ 3,313.6 $ 3,322.5
Fair Value, Inputs, Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Percentage of Total Fair Value of Fixed Maturities Securities 11.70%  
Fair Value, Inputs, Level 2 | Pricing Service    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Percentage of Total Fair Value of Fixed Maturities Securities 72.30%  
Fair Value, Inputs, Level 2 | Other Observable Market Data    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Percentage of Total Fair Value of Fixed Maturities Securities 15.30%  
Fair Value Inputs Other Than Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Percentage of Total Fair Value of Fixed Maturities Securities 88.30%  
Fair Value Inputs Level 2 Or Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Percentage of Total Fair Value of Fixed Maturities Securities 0.70%  
XML 78 R56.htm IDEA: XBRL DOCUMENT v3.25.0.1
Amortized Cost and Fair Values of Securities by Security Type (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities $ 38,269.9 $ 38,410.6  
Debt Securities, Available-for-sale, Allowance for Credit Loss 2.8 2.2  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 676.8    
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 3,314.0    
Debt Securities, Available-for-sale, Total 35,629.9 36,833.9  
United States Government and Government Agencies and Authorities      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 544.6 618.6  
Debt Securities, Available-for-sale, Allowance for Credit Loss 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 13.9 25.3  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 28.0 19.1  
Debt Securities, Available-for-sale, Total 530.5 624.8  
States, Municipalities, and Political Subdivisions      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 3,795.6 4,041.3  
Debt Securities, Available-for-sale, Allowance for Credit Loss 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 65.5 135.3  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 569.7 498.2  
Debt Securities, Available-for-sale, Total 3,291.4 3,678.4  
Foreign Governments      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 912.1 982.1  
Debt Securities, Available-for-sale, Allowance for Credit Loss 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 9.5 29.8  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 153.5 121.2  
Debt Securities, Available-for-sale, Total 768.1 890.7  
Public Utilities      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 5,525.0 5,398.2  
Debt Securities, Available-for-sale, Allowance for Credit Loss 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 132.3 217.1  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 364.4 293.7  
Debt Securities, Available-for-sale, Total 5,292.9 5,321.6  
Mortgage/Asset-backed Securities      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities [1] 949.4 658.0  
Debt Securities, Available-for-sale, Allowance for Credit Loss [1] 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax [1] 5.0 10.1  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax [1] 37.2 24.0  
Debt Securities, Available-for-sale, Total [1] 917.2 644.1  
All Other Corporate Bonds      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 26,535.2 26,708.4  
Debt Securities, Available-for-sale, Allowance for Credit Loss 2.8 2.2 $ 0.0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 450.6 771.8  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 2,160.8 1,807.3  
Debt Securities, Available-for-sale, Total 24,822.2 25,670.7  
Redeemable Preferred Stocks      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 8.0 4.0  
Debt Securities, Available-for-sale, Allowance for Credit Loss 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 0.0 0.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0.4 0.4  
Debt Securities, Available-for-sale, Total 7.6 3.6  
Fixed Maturity Securities      
Debt Securities, Available-for-sale      
Amortized Cost of Fixed Maturity Securities 38,269.9 38,410.6  
Debt Securities, Available-for-sale, Allowance for Credit Loss 2.8 2.2  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 676.8 1,189.4  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 3,314.0 2,763.9  
Debt Securities, Available-for-sale, Total $ 35,629.9 $ 36,833.9  
[1]
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
XML 79 R57.htm IDEA: XBRL DOCUMENT v3.25.0.1
Length of Time Fixed Maturity Securities had been in a Gross Unrealized Loss Position (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
United States Government and Government Agencies and Authorities    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 43.7 $ 118.8
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 4.1 0.7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 201.3 197.3
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 23.9 18.4
States, Municipalities, and Political Subdivisions    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 425.8 128.0
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 15.3 4.0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,926.2 2,035.1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 554.4 494.2
Foreign Governments    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 171.9 149.9
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 10.6 3.3
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 266.3 312.9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 142.9 117.9
Public Utilities    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 1,281.7 373.7
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 48.4 10.4
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,549.5 1,720.6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 316.0 283.3
Mortgage/Asset-backed Securities    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months [1] 199.9 60.3
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss [1] 8.9 2.5
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer [1] 285.9 316.7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss [1] 28.3 21.5
All Other Corporate Bonds    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 4,904.4 1,483.8
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 182.5 26.8
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 12,209.3 14,215.2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 1,978.3 1,780.5
Redeemable Preferred Stocks    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 3.9 0.0
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0.1 0.0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 3.7 3.6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0.3 0.4
Fixed Maturity Securities    
Debt Securities, Available-for-sale, Unrealized Loss Position    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 7,031.3 2,314.5
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 269.9 47.7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 16,442.2 18,801.4
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss $ 3,044.1 $ 2,716.2
[1]
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
XML 80 R58.htm IDEA: XBRL DOCUMENT v3.25.0.1
Investments Distribution of the Maturity Dates for Fixed Maturity Securities (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale, Amortized Cost, Net of Allowance for Credit Losses, Fiscal Year Maturity [Abstract]    
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost $ 1,484.1 $ 935.0
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five, Net 7,688.2 7,594.4
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10, Net 8,404.6 9,430.3
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10, Net 19,740.8 19,790.7
Available for sale Securities Debt Maturities Amortized Cost Gross Subtotal, Net 37,317.7 37,750.4
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost, Net [1] 949.4 658.0
Debt Securities, Available-for-sale, Amortized Cost, Net of Allowance for Credit Losses 38,267.1 38,408.4
Available for Sale Securities Unrealized Gain Position Gross Gain [Abstract]    
Available For Sale Securities Debt Maturities Within One Year Unrealized Gain Position Gross Gain 4.1 0.9
Available For Sale Securities Debt Maturities After One Through Five Years Unrealized Gain Position Gross Gain 123.5 128.2
Available For Sale Securities Debt Maturities After Five Through Ten Years Unrealized Gain Position Gross Gain 236.4 372.1
Available For Sale Securities Debt Maturities After Ten Years Unrealized Gain Position Gross Gain 307.8 678.1
Available For Sale Securities Debt Maturities Unrealized Gain Position Gross Gain Gross Subtotal 671.8 1,179.3
Available For Sale Securities Debt Maturities Without Single Maturity Date Unrealized Gain Position Gross Gain [1] 5.0 10.1
Available for sale Securities, Debt Maturities Unrealized Gain Position Gross Gain 676.8 1,189.4
Available for Sale Securities Unrealized Loss Position Gross Loss [Abstract]    
Available For Sale Securities Debt Maturities Within One Year Unrealized Loss Position Gross Loss 6.2 7.5
Available For Sale Securities Debt Maturities After One Through Five Years Unrealized Loss Position Gross Loss 196.6 179.0
Available For Sale Securities Debt Maturities After Five Through Ten Years Unrealized Loss Position Gross Loss 565.5 610.8
Available For Sale Securities Debt Maturities After Ten Years Unrealized Loss Position Gross Loss 2,508.5 1,942.6
Available For Sale Securities Debt Maturities Unrealized Gain Position Gross Loss Gross Subtotal 3,276.8 2,739.9
Available For Sale Securities Debt Maturities Without Single Maturity Date Unrealized Loss Position Gross Loss [1] 37.2 24.0
Available For Sale Securities Unrealized Loss Position Gross Loss Subtotal 3,314.0 2,763.9
Fair Value Maturity Distribution [Abstract]    
Debt Securities, Available-for-sale, Total 35,629.9 36,833.9
Available for Sale Securities Unrealized Gain Position Fair Value    
Fair Value Maturity Distribution [Abstract]    
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value 432.4 140.8
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value 2,840.8 2,685.7
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value 3,486.1 4,100.0
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value 4,965.7 8,524.4
Available for sale Securities Debt Maturities Fair Value Gross Subtotal 11,725.0 15,450.9
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value [1] 431.4 267.1
Debt Securities, Available-for-sale, Total 12,156.4 15,718.0
Available for Sale Securities Unrealized Loss Position Fair Value    
Fair Value Maturity Distribution [Abstract]    
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value 1,049.6 787.6
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value 4,774.3 4,857.9
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value 4,589.4 5,091.6
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value 12,574.4 10,001.8
Available for sale Securities Debt Maturities Fair Value Gross Subtotal 22,987.7 20,738.9
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value [1] 485.8 377.0
Debt Securities, Available-for-sale, Total $ 23,473.5 $ 21,115.9
[1]
2Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types
XML 81 R59.htm IDEA: XBRL DOCUMENT v3.25.0.1
Investments Distribution by External Credit Rating for Fixed Maturity Securities (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale    
Fixed Maturity Securities $ 35,629.9 $ 36,833.9
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 676.8  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax $ 3,314.0  
Fixed maturity securities in unrealized loss position percent of total 100.00%  
External Credit Rating, Investment Grade    
Debt Securities, Available-for-sale    
Fixed Maturity Securities $ 34,193.9  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 661.8  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax $ 3,236.2  
Fixed maturity securities in unrealized loss position percent of total 97.70%  
External Credit Rating, Below-Investment-Grade    
Debt Securities, Available-for-sale    
Fixed Maturity Securities $ 1,436.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 15.0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax $ 77.8  
Fixed maturity securities in unrealized loss position percent of total 2.30%  
XML 82 R60.htm IDEA: XBRL DOCUMENT v3.25.0.1
Debt Securities, Available-for-sale, Allowance for Credit Losses Rollforward (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale, Allowance for Credit Loss    
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Beginning Balance $ 2.2  
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance 2.8 $ 2.2
All Other Corporate Bonds    
Debt Securities, Available-for-sale, Allowance for Credit Loss    
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Beginning Balance 2.2 0.0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 2.8 2.2
Change in allowance due to change in intent to hold securities to maturity 0.2 0.0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold (2.4) 0.0
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance $ 2.8 $ 2.2
XML 83 R61.htm IDEA: XBRL DOCUMENT v3.25.0.1
Investments Low Income Housing Tax Credits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Low Income Housing Tax Credits [Abstract]      
Affordable Housing Tax Credits $ 0.1 $ 1.1 $ 8.0
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] Change in Income Taxes Change in Income Taxes Change in Income Taxes
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Income Tax Expense (Benefit) Income Tax Expense (Benefit) Income Tax Expense (Benefit)
Amortization of Affordable Housing Tax Credit Investments $ 0.0 $ (0.5) $ (5.9)
Tax Benefits from Low Income Housing Investments $ 0.1 $ 0.6 $ 2.1
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration] Change in Income Taxes Change in Income Taxes Change in Income Taxes
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Income Tax Expense (Benefit) Income Tax Expense (Benefit) Income Tax Expense (Benefit)
XML 84 R62.htm IDEA: XBRL DOCUMENT v3.25.0.1
Mortgage Loans by Property Type and Geographic Region (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Mortgage Loans on Real Estate    
Mortgage Loans $ 2,224.5 $ 2,318.2
Percent of Total 100.00% 100.00%
New England    
Mortgage Loans on Real Estate    
Mortgage Loans $ 52.6 $ 55.1
Percent of Total 2.40% 2.40%
Mid-Atlantic    
Mortgage Loans on Real Estate    
Mortgage Loans $ 167.2 $ 155.1
Percent of Total 7.50% 6.70%
East North Central    
Mortgage Loans on Real Estate    
Mortgage Loans $ 297.2 $ 314.4
Percent of Total 13.40% 13.60%
West North Central    
Mortgage Loans on Real Estate    
Mortgage Loans $ 151.1 $ 163.5
Percent of Total 6.80% 7.00%
South Atlantic    
Mortgage Loans on Real Estate    
Mortgage Loans $ 532.5 $ 553.0
Percent of Total 23.90% 23.80%
East South Central    
Mortgage Loans on Real Estate    
Mortgage Loans $ 95.1 $ 110.7
Percent of Total 4.30% 4.80%
West South Central    
Mortgage Loans on Real Estate    
Mortgage Loans $ 193.6 $ 200.9
Percent of Total 8.70% 8.70%
Mountain    
Mortgage Loans on Real Estate    
Mortgage Loans $ 278.7 $ 282.7
Percent of Total 12.50% 12.20%
Pacific    
Mortgage Loans on Real Estate    
Mortgage Loans $ 456.5 $ 482.8
Percent of Total 20.50% 20.80%
Apartment    
Mortgage Loans on Real Estate    
Mortgage Loans $ 658.2 $ 685.8
Percent of Total 29.60% 29.60%
Industrial    
Mortgage Loans on Real Estate    
Mortgage Loans $ 690.4 $ 706.0
Percent of Total 31.00% 30.50%
Office    
Mortgage Loans on Real Estate    
Mortgage Loans $ 338.4 $ 379.9
Percent of Total 15.20% 16.40%
Retail    
Mortgage Loans on Real Estate    
Mortgage Loans $ 496.2 $ 503.9
Percent of Total 22.30% 21.70%
Other Property    
Mortgage Loans on Real Estate    
Mortgage Loans $ 41.3 $ 42.6
Percent of Total 1.90% 1.80%
XML 85 R63.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule of Participating Mortgage Loans by Internal Credit Rating and Loan to Value (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Mortgage Loans on Real Estate    
Mortgage Loans $ 2,224.5 $ 2,318.2
Percent of Total 100.00% 100.00%
Loan to Value Ratio Below or Equal to 65 Percent    
Mortgage Loans on Real Estate    
Mortgage Loans $ 1,639.6 $ 1,409.9
Percent of Total 73.80% 60.80%
Loan To Value Ratio Above 65 To 75 Percent    
Mortgage Loans on Real Estate    
Mortgage Loans $ 367.6 $ 707.0
Percent of Total 16.50% 30.50%
Loan To Value Ratio Above 75 To 85 Percent    
Mortgage Loans on Real Estate    
Mortgage Loans $ 152.3 $ 136.5
Percent of Total 6.80% 5.90%
Loan To Value Ratio Above 85 Percent    
Mortgage Loans on Real Estate    
Mortgage Loans $ 65.0 $ 64.8
Percent of Total 2.90% 2.80%
AA Credit Rating    
Mortgage Loans on Real Estate    
Mortgage Loans $ 117.8 $ 85.2
Percent of Total 5.30% 3.70%
A Credit Rating    
Mortgage Loans on Real Estate    
Mortgage Loans $ 1,099.1 $ 942.5
Percent of Total 49.40% 40.60%
BBB Credit Rating    
Mortgage Loans on Real Estate    
Mortgage Loans $ 915.5 $ 1,249.5
Percent of Total 41.20% 53.90%
BB Credit Rating    
Mortgage Loans on Real Estate    
Mortgage Loans $ 85.0 $ 41.0
Percent of Total 3.80% 1.80%
B Credit Rating    
Mortgage Loans on Real Estate    
Mortgage Loans $ 7.1 $ 0.0
Percent of Total 0.30% 0.00%
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Mortgage Loans Sorted by Applicable Credit Quality Indicators (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss $ (16.1) $ (10.2)  
Mortgage Loans 2,224.5 2,318.2  
Loan to Value Ratio Below or Equal to 65 Percent      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 1,639.6 1,409.9  
Loan To Value Ratio Above 65 To 75 Percent      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 367.6 707.0  
Loan To Value Ratio Above 75 To 85 Percent      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 152.3 136.5  
Loan To Value Ratio Above 85 Percent      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 65.0 64.8  
Originated Five or More Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 1,541.0 1,317.6  
Originated Four Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 154.2 334.8  
Originated Three Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 329.6 164.9  
Originated Two Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 87.3 347.1  
Originated in Fiscal Year before Latest Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 66.4 87.0  
Originated in Current Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 46.0 66.8  
AA Credit Rating      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 117.8 85.2  
A Credit Rating      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 1,099.1 942.5  
BBB Credit Rating      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 915.5 1,249.5  
BB Credit Rating      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 85.0 41.0  
B Credit Rating      
Financing Receivable, Credit Quality Indicator      
Mortgage Loans 7.1 0.0  
Commercial Real Estate      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,554.7 1,323.9  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 154.7 336.1  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 330.6 165.5  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 87.6 348.1  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 66.8 87.6  
Financing Receivable, Year One, Originated, Current Fiscal Year 46.2 67.2  
Financing Receivable, before Allowance for Credit Loss 2,240.6 2,328.4  
Financing Receivable, Allowance for Credit Loss (16.1) (10.2) $ (9.3)
Commercial Real Estate | Loan to Value Ratio Below or Equal to 65 Percent      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 1,229.6 908.3  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 112.9 197.7  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 210.0 116.4  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 40.8 145.2  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 38.7 16.2  
Financing Receivable, Year One, Originated, Current Fiscal Year 11.7 30.0  
Financing Receivable, before Allowance for Credit Loss 1,643.7 1,413.8  
Financing Receivable, Allowance for Credit Loss (4.2) (3.8) (3.0)
Commercial Real Estate | Loan To Value Ratio Above 65 To 75 Percent      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 154.1 252.1  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 33.7 138.4  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 72.1 40.8  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 46.8 171.0  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 28.1 71.4  
Financing Receivable, Year One, Originated, Current Fiscal Year 34.5 37.2  
Financing Receivable, before Allowance for Credit Loss 369.3 710.9  
Financing Receivable, Allowance for Credit Loss (1.7) (3.8) (4.7)
Commercial Real Estate | Loan To Value Ratio Above 75 To 85 Percent      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 126.4 97.3  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 8.1 0.0  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 20.1 8.3  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0.0 31.9  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year One, Originated, Current Fiscal Year 0.0 0.0  
Financing Receivable, before Allowance for Credit Loss 154.6 137.5  
Financing Receivable, Allowance for Credit Loss (2.2) (1.2) (1.1)
Commercial Real Estate | Loan To Value Ratio Above 85 Percent      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 44.6 66.2  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 28.4 0.0  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year One, Originated, Current Fiscal Year 0.0 0.0  
Financing Receivable, before Allowance for Credit Loss 73.0 66.2  
Financing Receivable, Allowance for Credit Loss (8.0) (1.4) $ (0.5)
Commercial Real Estate | Originated Five or More Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss (13.7) (6.3)  
Commercial Real Estate | Originated Four Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss (0.5) (1.3)  
Commercial Real Estate | Originated Three Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss (1.0) (0.6)  
Commercial Real Estate | Originated Two Years before Last Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss (0.3) (1.0)  
Commercial Real Estate | Originated in Fiscal Year before Latest Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss (0.4) (0.6)  
Commercial Real Estate | Originated in Current Fiscal Year      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Allowance for Credit Loss (0.2) (0.4)  
Commercial Real Estate | AA Credit Rating      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 111.5 74.3  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0.0 11.0  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 6.4 0.0  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year One, Originated, Current Fiscal Year 0.0 0.0  
Financing Receivable, before Allowance for Credit Loss 117.9 85.3  
Commercial Real Estate | A Credit Rating      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 780.5 589.0  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 99.6 100.3  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 169.1 94.1  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 24.6 100.1  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 9.5 23.2  
Financing Receivable, Year One, Originated, Current Fiscal Year 18.0 38.0  
Financing Receivable, before Allowance for Credit Loss 1,101.3 944.7  
Commercial Real Estate | BBB Credit Rating      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 561.7 618.4  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 55.1 224.8  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 155.1 71.4  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 63.0 248.0  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 57.3 64.4  
Financing Receivable, Year One, Originated, Current Fiscal Year 28.2 29.2  
Financing Receivable, before Allowance for Credit Loss 920.4 1,256.2  
Commercial Real Estate | BB Credit Rating      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 86.8 42.2  
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0.0 0.0  
Financing Receivable, Year One, Originated, Current Fiscal Year 0.0 0.0  
Financing Receivable, before Allowance for Credit Loss 86.8 $ 42.2  
Commercial Real Estate | B Credit Rating      
Financing Receivable, Credit Quality Indicator      
Financing Receivable, Originated, More than Five Years before Current Fiscal Year 14.2    
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 0.0    
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year 0.0    
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year 0.0    
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year 0.0    
Financing Receivable, Year One, Originated, Current Fiscal Year 0.0    
Financing Receivable, before Allowance for Credit Loss $ 14.2    
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Mortgage Loans, Allowance for Credit Losses Rollforward (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Financing Receivable, Allowance for Credit Loss, Beginning Balance $ 10.2  
Financing Receivable, Allowance for Credit Loss, Ending Balance 16.1 $ 10.2
Commercial Real Estate    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Financing Receivable, Allowance for Credit Loss, Beginning Balance 10.2 9.3
Financing Receivable, Credit Loss, Expense (Reversal) 12.9 0.9
Financing Receivable, Allowance for Credit Loss, Writeoff (7.0) 0.0
Financing Receivable, Allowance for Credit Loss, Recovery 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance 16.1 10.2
Commercial Real Estate | Loan to Value Ratio Below or Equal to 65 Percent    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Financing Receivable, Allowance for Credit Loss, Beginning Balance 3.8 3.0
Financing Receivable, Credit Loss, Expense (Reversal) 0.4 0.8
Financing Receivable, Allowance for Credit Loss, Writeoff 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Recovery 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance 4.2 3.8
Commercial Real Estate | Loan To Value Ratio Above 65 To 75 Percent    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Financing Receivable, Allowance for Credit Loss, Beginning Balance 3.8 4.7
Financing Receivable, Credit Loss, Expense (Reversal) (2.1) (0.9)
Financing Receivable, Allowance for Credit Loss, Writeoff 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Recovery 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance 1.7 3.8
Commercial Real Estate | Loan To Value Ratio Above 75 To 85 Percent    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Financing Receivable, Allowance for Credit Loss, Beginning Balance 1.2 1.1
Financing Receivable, Credit Loss, Expense (Reversal) 8.0 0.1
Financing Receivable, Allowance for Credit Loss, Writeoff (7.0) 0.0
Financing Receivable, Allowance for Credit Loss, Recovery 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance 2.2 1.2
Commercial Real Estate | Loan To Value Ratio Above 85 Percent    
Financing Receivable, Allowance for Credit Loss [Roll Forward]    
Financing Receivable, Allowance for Credit Loss, Beginning Balance 1.4 0.5
Financing Receivable, Credit Loss, Expense (Reversal) 6.6 0.9
Financing Receivable, Allowance for Credit Loss, Writeoff 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Recovery 0.0 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance $ 8.0 $ 1.4
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Investments Remaining Contractual Maturity of Security Lending Agreements (Details) - Overnight and Continuous - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Transfer of Certain Financial Assets Accounted for as Secured Borrowings    
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred $ 62.7 $ 63.1
Securities Loaned and Securities Sold under Agreement to Repurchase, Gross Including Not Subject to Master Netting Arrangement 62.7 63.1
Secured Borrowings, Gross, Difference, Amount 0.0 0.0
Public Utilities    
Transfer of Certain Financial Assets Accounted for as Secured Borrowings    
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred 5.2 1.8
Short-term Investments    
Transfer of Certain Financial Assets Accounted for as Secured Borrowings    
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred 1.0 0.0
All Other Corporate Bonds    
Transfer of Certain Financial Assets Accounted for as Secured Borrowings    
Securities Loaned, Including Not Subject to Master Netting Arrangement and Assets other than Securities Transferred $ 56.5 $ 61.3
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Investments Federal Home Loan Bank Carrying Amount, Collateral Posted and Advances Received (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Federal Home Loan Bank Carrying Value of Common Stock, Collateral Posted and Advances    
Federal Home Loan Bank Common Stock $ 26.7 $ 15.7
Federal Home Loan Bank, Advances 324.2 64.5
Federal Home Loan Bank, Collateral Posted to FHLB 1,461.8 1,575.8
Fixed Maturity Securities    
Federal Home Loan Bank Carrying Value of Common Stock, Collateral Posted and Advances    
Federal Home Loan Bank, Collateral Posted to FHLB 553.6 589.0
Commercial Mortgage Loans    
Federal Home Loan Bank Carrying Value of Common Stock, Collateral Posted and Advances    
Federal Home Loan Bank, Collateral Posted to FHLB $ 908.2 $ 986.8
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Investments Schedule of Financial Instrument and Derivative Offsetting (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Offsetting Derivative Assets    
Net Derivative Assets Reported in Balance Sheet $ 90.9 $ 99.9
Offsetting Securities Loaned    
Gross Securities Loaned (94.0) (72.0)
Assets Offsetting Securities Loaned in Balance Sheet 0.0 0.0
Securities Loaned (94.0) (72.0)
Securities Given as Collateral on Securities Loaned (31.3) (8.9)
Cash Given as Collateral on Securities Loaned (62.7) (63.1)
Securities Loaned Net of Collateral 0.0 0.0
Offsetting Financial Assets    
Gross Financial Assets 173.4 171.9
Financial Liabilities Offsetting Financial Assets in Balance Sheet 0.0 0.0
Net Financial Assets Reported in Balance Sheet 173.4 171.9
Securities Received as Collateral on Financial Assets (107.0) (100.8)
Cash Received as Collateral on Financial Assets (65.9) (69.5)
Financial Assets Net of Collateral 0.5 1.6
Offsetting Derivative Liabilities    
Net Derivative Liabilities Reported in Balance Sheet 255.7 117.7
Offsetting Securities Borrowed    
Security Borrowed, Subject to Master Netting Arrangement, before Offset 62.7 63.1
Security Borrowed, Subject to Master Netting Arrangement, Liability Offset 0.0 0.0
Securities Borrowed 62.7 63.1
Securities Received as Collateral on Securities Borrowed (62.7) (63.1)
Cash Received as Collateral on Securities Borrowed 0.0 0.0
Security Borrowed, Including Not Subject to Master Netting Arrangement, after Offset and Deduction 0.0 0.0
Offsetting Financial Liabilities    
Gross Financial Liability 318.4 179.3
Financial Assets Offsetting Financial Liabilities in Balance Sheet 0.0 0.0
Net Financial Liabilities Reported in Balance Sheet 318.4 179.3
Securities Given as Collateral on Financial Liabilities (317.0) (172.5)
Cash Given as Collateral on Financial Liabilities 0.0 0.0
Financial Liabilities Net of Collateral 1.4 6.8
Over the Counter    
Offsetting Derivative Assets    
Derivative Asset, Fair Value, Gross Asset 79.4 99.9
Derivative Liabilities Offsetting Derivative Assets in Balance Sheet 0.0 0.0
Net Derivative Assets Reported in Balance Sheet 79.4 99.9
Securities Received as Collateral on Derivative Assets (75.7) (91.9)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset (3.2) (6.4)
Derivative Assets Net of Collateral 0.5 1.6
Offsetting Derivative Liabilities    
Gross Derivative Liability 255.7 116.2
Derivative Assets Offsetting Derivative Liabilities in Balance Sheet 0.0 0.0
Net Derivative Liabilities Reported in Balance Sheet 255.7 116.2
FMS Collateral Posted to Counterparties (254.3) (109.4)
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 0.0 0.0
Derivative Liabilities Net of Collateral $ 1.4 $ 6.8
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Investments Investment Income (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net Investment Income      
Investment Income, Interest and Dividend $ 2,206.9 $ 2,170.6 $ 2,173.6
Less Investment Expenses 65.2 61.8 39.4
Less Investment Income on PFA Assets 11.7 12.1 12.0
Net Investment Income 2,130.0 2,096.7 2,122.2
Fixed Maturity Securities      
Net Investment Income      
Investment Income, Interest and Dividend 1,860.4 1,853.7 1,849.8
Derivatives      
Net Investment Income      
Investment Income, Interest and Dividend 30.7 45.1 57.8
Mortgage Loans      
Net Investment Income      
Investment Income, Interest and Dividend 88.6 92.5 101.5
Policy Loans      
Net Investment Income      
Investment Income, Interest and Dividend 20.9 20.8 20.0
Perpetual Preferred Securities      
Net Investment Income      
Investment Income, Interest and Dividend 0.3 2.5 5.0
Private Equity Partnerships      
Net Investment Income      
Investment Income, Interest and Dividend [1] 103.1 78.1 110.1
Other Long-term Investments      
Net Investment Income      
Investment Income, Interest and Dividend 12.0 9.2 9.4
Short-term Investments      
Net Investment Income      
Investment Income, Interest and Dividend $ 90.9 $ 68.7 $ 20.0
[1] The net unrealized gain recognized in net investment income for the year ended December 31, 2024 related to private equity partnerships still held at December 31, 2024 was $127.1 million, reduced by net management fees and partnership expenses of $(24.0) million. For the years ended December 31, 2023 and 2022, the net unrealized gain recognized in net investment income related to private equity partnerships still held at year-end was $102.9 million and $124.1 million, respectively, reduced by net management fees and partnership expenses of $(24.8) million and $(14.0) million, respectively. See Note 2 for further discussion of private equity partnerships.
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Investment Gains and Losses Reported in Consolidated Statements of Income (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fixed Maturity Securities      
Debt Securities, Available-for-sale, Realized Gain $ 1.3 $ 4.4 $ 2.3
Gross Losses on Sales (39.5) (53.1) (28.8)
Impairement Loss [1] (2.5) 0.0 0.0
Change in Allowance for Credit Losses (3.0) (2.2) (4.6)
Mortgage Loans and Other Invested Assets      
Gross Gains on Sales 0.5 6.0 1.4
Gross Losses on Sales 0.0 (1.0) 0.0
Impairment Loss (7.0) (3.0) 0.0
Credit Losses (5.9) (0.9) (1.0)
Gain (Loss) on Embedded Derivative 13.0 12.4 16.2
All Other Derivatives 3.8 (0.6) 2.6
Gain (Loss) on Sale of Other Investments 9.2 0.0 0.0
Foreign Currency Transactions (4.5) 2.0 (3.8)
Net Investment Loss $ (34.6) $ (36.0) $ (15.7)
[1]
1Includes write-down of securities that we intended to sell prior to recovery of the amortized cost basis.
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Investments - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Schedule of Investments      
Other Long-term Investments $ 1,694,400,000 $ 1,579,400,000  
Unfunded Commitments 200,000    
Financing Receivable, Allowance for Credit Losses 16,100,000 10,200,000  
Accrued Investment Income $ 649,800,000 633,900,000  
Financing Receivable, Modified, Weighted Average Term Increase from Modification 18 months    
Foreclosed Real Estate Expense $ 0 0 $ 0
Committments to Fund Commercial Mortgage Loans 17,900,000 0  
Real Estate Investment Property, Net 59,500,000 64,400,000  
Real Estate Held-for-sale $ 41,900,000 40,900,000  
Repurchase agreements - Typical Days outstanding 30    
Minimum percent of the fair value of securities loaned or securities purchased under repurchase agreements be maintained as collateral 102.00%    
Gross Securities Loaned $ 94,000,000.0 72,000,000.0  
Outstanding Repurchase Agreements 0 0  
Financing Receivable, Nonaccrual 9,200,000 0 0
Financing Receivable, Nonaccrual, Interest Income 0 0 0
Private Equity Partnerships      
Schedule of Investments      
Unrealized Gain (Loss) on Investments 127,100,000 102,900,000 124,100,000
Management Fee Expense 24,000,000.0 24,800,000 14,000,000
Off Balance Sheet Amount      
Schedule of Investments      
Cash Collateral for Borrowed Securities 62,700,000 63,100,000  
Securities Received as Collateral 34,800,000 12,500,000  
Commercial Real Estate      
Schedule of Investments      
Financing Receivable, before Allowance for Credit Loss 2,240,600,000 2,328,400,000  
Financing Receivable, Allowance for Credit Losses 16,100,000 10,200,000 $ 9,300,000
Accrued Investment Income 7,000,000.0 7,200,000  
Financing Receivable, Allowance for Credit Loss, Writeoff 7,000,000.0 0  
Unfunded Mortgage Loan Commitments      
Schedule of Investments      
Allowance for Credit Losses, Unfunded Mortgage Loan Commitments 100,000 0  
Variable Interest Entity, Not Primary Beneficiary      
Schedule of Investments      
Other Long-term Investments 1,450,800,000 1,326,500,000  
Tax Credit Partnership | Variable Interest Entity, Not Primary Beneficiary      
Schedule of Investments      
Other Long-term Investments 200,000 300,000  
Private Equity Partnerships | Variable Interest Entity, Not Primary Beneficiary      
Schedule of Investments      
Other Long-term Investments 1,450,600,000 $ 1,326,200,000  
Private Placement Fixed Maturity      
Schedule of Investments      
Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability $ 96,500,000    
External Credit Rating, Investment Grade      
Schedule of Investments      
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions 924    
Number of Fixed Maturity Securities in an Unrealized Loss Position Continuously for Over One Year 785    
External Credit Rating, Below-Investment-Grade      
Schedule of Investments      
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions 75    
Number of Fixed Maturity Securities in an Unrealized Loss Position Continuously for Over One Year 47    
XML 94 R72.htm IDEA: XBRL DOCUMENT v3.25.0.1
Derivative Financial Instruments Nature and Amount of Collateral Received From and Posted To Our Derivative Counterparties (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Derivative    
Derivative Asset, Fair Value, Amount Offset Against Collateral $ 12.0 $ 37.4
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset 200.7 39.8
Cash    
Derivative    
Cash Collateral from Counterparties 3.6 11.1
Cash Collateral Posted to Counterparties 4.0 0.0
Fixed Maturity Securities    
Derivative    
Carrying Value of Fixed Maturity Securities Received as Collateral from Counterparties 8.4 26.3
FMS Collateral Posted to Counterparties $ 196.7 $ 39.8
XML 95 R73.htm IDEA: XBRL DOCUMENT v3.25.0.1
Derivative Financial Instruments Fair Value Hedges Carrying Amount of Hedged Assets and Liabilities and Cumulative Basis Adjustments (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosures    
Hedged Asset, Statement of Financial Position [Extensible Enumeration] Fixed Maturity Securities - at fair value (amortized cost of $38,269.9; $38,410.6; allowance for credit losses of $2.8; $2.2) Fixed Maturity Securities - at fair value (amortized cost of $38,269.9; $38,410.6; allowance for credit losses of $2.8; $2.2)
Receive Fixed/Pay Fixed | Designated as Hedging Instrument | Fair Value Hedging    
Derivative Instruments and Hedging Activities Disclosures    
Hedged Asset, Fair Value Hedge $ 551.0 $ 529.2
Receive Fixed/Pay Fixed | Designated as Hedging Instrument | Fair Value Hedging | Fixed Maturity Securities    
Derivative Instruments and Hedging Activities Disclosures    
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) (46.3) (6.1)
Hedged asset, amortized cost $ 648.4 $ 636.9
XML 96 R74.htm IDEA: XBRL DOCUMENT v3.25.0.1
Location and Fair Values of Derivative Financial Instruments (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Derivative    
Derivative, Notional Amount $ 3,751.4 $ 2,983.7
Other Long-term Investments    
Derivative    
Asset Derivatives Fair Value 90.9 99.9
Other Liabilities    
Derivative    
Liability Derivatives Fair Value 255.7 117.7
Designated as Hedging Instrument    
Derivative    
Derivative, Notional Amount 3,445.5 2,697.0
Designated as Hedging Instrument | Cash Flow Hedging    
Derivative    
Derivative, Notional Amount 2,709.1 2,054.5
Designated as Hedging Instrument | Forwards | Cash Flow Hedging    
Derivative    
Derivative, Notional Amount 2,570.0 1,905.0
Designated as Hedging Instrument | Interest Rate Swaps | Cash Flow Hedging    
Derivative    
Derivative, Notional Amount 139.1 149.5
Designated as Hedging Instrument | Interest Rate Swaps | Fair Value Hedging    
Derivative    
Derivative, Notional Amount 736.4 642.5
Designated as Hedging Instrument | Other Long-term Investments    
Derivative    
Asset Derivatives Fair Value 75.7 96.9
Designated as Hedging Instrument | Other Long-term Investments | Cash Flow Hedging    
Derivative    
Asset Derivatives Fair Value 21.0 58.7
Designated as Hedging Instrument | Other Long-term Investments | Forwards | Cash Flow Hedging    
Derivative    
Asset Derivatives Fair Value 3.4 44.5
Designated as Hedging Instrument | Other Long-term Investments | Interest Rate Swaps | Cash Flow Hedging    
Derivative    
Asset Derivatives Fair Value 17.6 14.2
Designated as Hedging Instrument | Other Long-term Investments | Interest Rate Swaps | Fair Value Hedging    
Derivative    
Asset Derivatives Fair Value 54.7 38.2
Designated as Hedging Instrument | Other Liabilities    
Derivative    
Liability Derivatives Fair Value 239.3 99.0
Designated as Hedging Instrument | Other Liabilities | Cash Flow Hedging    
Derivative    
Liability Derivatives Fair Value 224.3 82.3
Designated as Hedging Instrument | Other Liabilities | Forwards | Cash Flow Hedging    
Derivative    
Liability Derivatives Fair Value 223.2 77.8
Designated as Hedging Instrument | Other Liabilities | Interest Rate Swaps | Cash Flow Hedging    
Derivative    
Liability Derivatives Fair Value 1.1 4.5
Designated as Hedging Instrument | Other Liabilities | Interest Rate Swaps | Fair Value Hedging    
Derivative    
Liability Derivatives Fair Value 15.0 16.7
Not Designated as Hedging Instrument    
Derivative    
Derivative, Notional Amount 305.9 286.7
Not Designated as Hedging Instrument | Forwards    
Derivative    
Derivative, Notional Amount 51.1 52.5
Not Designated as Hedging Instrument | Interest Rate Swaps    
Derivative    
Derivative, Notional Amount 125.9 132.0
Not Designated as Hedging Instrument | Total Return Swap    
Derivative    
Derivative, Notional Amount 128.9 102.2
Not Designated as Hedging Instrument | Embedded Derivative in Modified Coinsurance Arrangement    
Derivative    
Derivative, Notional Amount 0.0 0.0
Not Designated as Hedging Instrument | Other Long-term Investments    
Derivative    
Asset Derivatives Fair Value 15.2 3.0
Not Designated as Hedging Instrument | Other Long-term Investments | Forwards    
Derivative    
Asset Derivatives Fair Value 3.1 3.0
Not Designated as Hedging Instrument | Other Long-term Investments | Interest Rate Swaps    
Derivative    
Asset Derivatives Fair Value 0.6 0.0
Not Designated as Hedging Instrument | Other Long-term Investments | Total Return Swap    
Derivative    
Asset Derivatives Fair Value 0.0 0.0
Not Designated as Hedging Instrument | Other Long-term Investments | Embedded Derivative in Modified Coinsurance Arrangement    
Derivative    
Asset Derivatives Fair Value 11.5 0.0
Not Designated as Hedging Instrument | Other Liabilities    
Derivative    
Liability Derivatives Fair Value 16.4 18.7
Not Designated as Hedging Instrument | Other Liabilities | Forwards    
Derivative    
Liability Derivatives Fair Value 0.0 0.2
Not Designated as Hedging Instrument | Other Liabilities | Interest Rate Swaps    
Derivative    
Liability Derivatives Fair Value 16.4 17.0
Not Designated as Hedging Instrument | Other Liabilities | Total Return Swap    
Derivative    
Liability Derivatives Fair Value 0.0 0.0
Not Designated as Hedging Instrument | Other Liabilities | Embedded Derivative in Modified Coinsurance Arrangement    
Derivative    
Liability Derivatives Fair Value $ 0.0 $ 1.5
XML 97 R75.htm IDEA: XBRL DOCUMENT v3.25.0.1
Derivative Financial Instruments Location of Gains and Losses Designated as Hedging Instruments, Consolidated Statements of Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Derivative Instruments, Gain (Loss)      
Net Investment Income $ 2,130.0 $ 2,096.7 $ 2,122.2
Net Investment Loss (34.6) (36.0) (15.7)
Interest and Debt Expense 201.1 194.8 188.5
Derivative, Gain (Loss) on Derivative, Net (3.8) 0.6 (2.6)
Designated as Hedging Instrument | Interest Rate Swaps | Net Investment Income | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Income 109.6 198.6 200.0
Derivative, Gain (Loss) on Derivative, Net 17.4 35.2 51.0
Designated as Hedging Instrument | Interest Rate Swaps | Net Realized Investment Gain (Loss) | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Loss 0.0 0.8 0.0
Derivative, Gain (Loss) on Derivative, Net 0.0 0.0 0.0
Designated as Hedging Instrument | Interest Rate Swaps | Interest and Debt Expense | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Interest and Debt Expense 2.9 2.9 2.9
Derivative, Gain (Loss) on Derivative, Net 0.0 0.0 0.0
Designated as Hedging Instrument | Foreign Exchange Contracts | Net Investment Income | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Income 8.6 9.6 12.3
Derivative, Gain (Loss) on Derivative, Net 0.7 0.0 (0.8)
Designated as Hedging Instrument | Foreign Exchange Contracts | Net Investment Income | Fair Value Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Income 17.1 14.5 11.6
Derivative, Gain (Loss) on Derivative, Net 14.5 11.1 7.3
Designated as Hedging Instrument | Foreign Exchange Contracts | Net Realized Investment Gain (Loss) | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Loss (0.4) 0.4 (2.3)
Derivative, Gain (Loss) on Derivative, Net 0.4 (0.4) 1.8
Designated as Hedging Instrument | Foreign Exchange Contracts | Net Realized Investment Gain (Loss) | Fair Value Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Loss (40.2) 18.7 (26.8)
Derivative, Gain (Loss) on Derivative, Net 40.2 (18.7) 26.8
Designated as Hedging Instrument | Foreign Exchange Contracts | Interest and Debt Expense | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Interest and Debt Expense 0.0 0.0 0.0
Derivative, Gain (Loss) on Derivative, Net 0.0 0.0 0.0
Designated as Hedging Instrument | Foreign Exchange Contracts | Interest and Debt Expense | Fair Value Hedging      
Derivative Instruments, Gain (Loss)      
Interest and Debt Expense 0.0 0.0 0.0
Derivative, Gain (Loss) on Derivative, Net 0.0 0.0 0.0
Designated as Hedging Instrument | Forwards | Net Investment Income | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Income 40.7 18.5 0.5
Derivative, Gain (Loss) on Derivative, Net (1.0) (0.5) 0.0
Designated as Hedging Instrument | Forwards | Net Realized Investment Gain (Loss) | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Net Investment Loss 0.0 0.0 0.0
Derivative, Gain (Loss) on Derivative, Net 0.0 0.0 0.0
Designated as Hedging Instrument | Forwards | Interest and Debt Expense | Cash Flow Hedging      
Derivative Instruments, Gain (Loss)      
Interest and Debt Expense 0.0 0.0 0.0
Derivative, Gain (Loss) on Derivative, Net $ 0.0 $ 0.0 $ 0.0
XML 98 R76.htm IDEA: XBRL DOCUMENT v3.25.0.1
Location of Gains and Losses on Derivative Instruments Designated as Cash Flow Hedging Instruments (Detail) - Designated as Hedging Instrument - Cash Flow Hedging - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Derivative Instruments, Gain (Loss)      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax $ (206.6) $ (26.8) $ (42.4)
Forwards      
Derivative Instruments, Gain (Loss)      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax (213.8) (22.5) (49.8)
Foreign Exchange Contracts      
Derivative Instruments, Gain (Loss)      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax $ 7.2 $ (4.3) $ 7.4
XML 99 R77.htm IDEA: XBRL DOCUMENT v3.25.0.1
Gains and Losses on Derivatives Not Designated as Hedging Instruments (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Derivative Instruments, Gain (Loss)      
Net Gain (Loss) on Derivatives $ 3.8 $ (0.6) $ 2.6
Not Designated as Hedging Instrument      
Derivative Instruments, Gain (Loss)      
Net Gain (Loss) on Derivatives 16.8 11.8 18.9
Foreign Exchange Contracts | Not Designated as Hedging Instrument      
Derivative Instruments, Gain (Loss)      
Net Gain (Loss) on Derivatives 3.8 (0.6) 2.7
Embedded Derivative in Modified Coinsurance Arrangement | Not Designated as Hedging Instrument      
Derivative Instruments, Gain (Loss)      
Net Gain (Loss) on Derivatives 13.0 12.4 16.2
Total Return Swap | Not Designated as Hedging Instrument      
Derivative Instruments, Gain (Loss)      
Net Gain (Loss) on Derivatives $ (12.5) $ (13.6) $ 18.9
XML 100 R78.htm IDEA: XBRL DOCUMENT v3.25.0.1
Derivative Financial Instruments - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Derivative      
Aggregate fair value of all derivative instruments with credit risk-related contingent features in a liability position $ 255.7 $ 116.2  
Derivative, Notional Amount 3,751.4 2,983.7  
Approximate amount of net deferred gains on derivative instruments expected to be amortized during the next twelve months $ 9.2    
Maximum Length of Time Hedged in Cash Flow Hedge 39 years    
Component of Derivative Gain (Loss) Excluded from the Assessment of Hedge Effectiveness $ (22.0) (21.1) $ 17.6
Discontinued Hedge Accounting Due to Instrument No Longer Qualifying as Fair Value Hedge 0.0 0.0 $ 0.0
Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 3,445.5 2,697.0  
Not Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 305.9 286.7  
Cash Flow Hedging | Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 2,709.1 2,054.5  
Interest Rate Swaps | Not Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 125.9 132.0  
Interest Rate Swaps | Cash Flow Hedging | Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 139.1 149.5  
Interest Rate Swaps | Fair Value Hedging | Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 736.4 642.5  
Forwards | Not Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 51.1 52.5  
Forwards | Cash Flow Hedging | Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 2,570.0 1,905.0  
Total Return Swap | Not Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 128.9 102.2  
Receive Fixed/Pay Fixed | Interest Rate Swaps | Not Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 125.9 132.0  
Receive Fixed/Pay Fixed | Interest Rate Swaps | Cash Flow Hedging | Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 139.1 149.5  
Receive Fixed/Pay Fixed | Interest Rate Swaps | Fair Value Hedging | Designated as Hedging Instrument      
Derivative      
Derivative, Notional Amount 736.4 642.5  
Credit Exposure      
Derivative      
Credit Exposure on Derivatives $ 0.5 $ 1.6  
XML 101 R79.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss)        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ (2,523.7) $ (3,308.0) $ (3,448.3) $ (5,164.6)
Other Comprehensive Income (Loss) Before Reclassifications 749.7 121.7 1,721.9  
Amounts Reclassified from AOCI (34.6) (18.6) 5.6  
Total Other Comprehensive Income 784.3 140.3 1,716.3  
Net Unrealized Gain (Loss) on Securities        
Accumulated Other Comprehensive Income (Loss)        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (2,755.2) (1,919.1) (3,028.4) 4,014.4
Other Comprehensive Income (Loss) Before Reclassifications (870.4) 1,069.3 (7,066.0)  
Amounts Reclassified from AOCI (34.3) (40.0) (23.2)  
Total Other Comprehensive Income (836.1) 1,109.3 (7,042.8)  
Effect of Change in Discount Rate Assumptions on the LFPB        
Accumulated Other Comprehensive Income (Loss)        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 1,185.4 (648.4) 313.9 (8,570.7)
Other Comprehensive Income (Loss) Before Reclassifications 1,833.8 (962.3) 8,884.6  
Amounts Reclassified from AOCI 0.0 0.0 0.0  
Total Other Comprehensive Income 1,833.8 (962.3) 8,884.6  
Net Gain (Loss) on Derivatives        
Accumulated Other Comprehensive Income (Loss)        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (270.7) (73.7) (9.6) 61.8
Other Comprehensive Income (Loss) Before Reclassifications (184.4) (37.4) (30.4)  
Amounts Reclassified from AOCI 12.6 26.7 41.0  
Total Other Comprehensive Income (197.0) (64.1) (71.4)  
Foreign Currency Translation Adjustment        
Accumulated Other Comprehensive Income (Loss)        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (343.0) (321.1) (390.1) (274.1)
Other Comprehensive Income (Loss) Before Reclassifications (21.9) 69.0 (116.0)  
Amounts Reclassified from AOCI 0.0 0.0 0.0  
Total Other Comprehensive Income (21.9) 69.0 (116.0)  
Unrecognized Pension and Postretirement Benefit Costs        
Accumulated Other Comprehensive Income (Loss)        
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (340.2) (345.7) (334.1) $ (396.0)
Other Comprehensive Income (Loss) Before Reclassifications (7.4) (16.9) 49.7  
Amounts Reclassified from AOCI (12.9) (5.3) (12.2)  
Total Other Comprehensive Income $ 5.5 $ (11.6) $ 61.9  
XML 102 R80.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Net Investment Loss $ (34.6) $ (36.0) $ (15.7)
Impairement Loss [1] (2.5) 0.0 0.0
Change in Allowance for Credit Losses 3.0 2.2 4.6
Net Investment Income 2,130.0 2,096.7 2,122.2
Other Expenses (1,222.7) (1,112.0) (1,006.7)
Income Tax Expense (Benefit) 472.2 356.3 342.8
Net Income 1,779.1 1,283.8 1,407.2
Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gain (Loss) on Securities      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Net Investment Loss (38.2) (48.7) (24.8)
Impairement Loss (2.5) 0.0 0.0
Change in Allowance for Credit Losses (3.0) (2.2) (4.6)
Income of Parent Company Before Income Tax (43.7) (50.9) (29.4)
Income Tax Expense (Benefit) (9.4) (10.9) (6.2)
Net Income (34.3) (40.0) (23.2)
Reclassification out of Accumulated Other Comprehensive Income | Net Gain (Loss) on Derivatives      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Income of Parent Company Before Income Tax 16.0 33.8 51.9
Income Tax Expense (Benefit) 3.4 7.1 10.9
Net Income 12.6 26.7 41.0
Reclassification out of Accumulated Other Comprehensive Income | Net Gain (Loss) on Derivatives | Interest Rate Swaps      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Net Investment Income 16.4 34.7 51.1
Reclassification out of Accumulated Other Comprehensive Income | Net Gain (Loss) on Derivatives | Foreign Exchange Contracts      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Net Investment Loss (0.2) (0.4) 1.8
Net Investment Income (0.2) (0.5) (1.0)
Reclassification out of Accumulated Other Comprehensive Income | Net Actuarial Loss      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Other Expenses (16.4) (7.2) (15.7)
Reclassification out of Accumulated Other Comprehensive Income | Prior Service Credit      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Other Expenses 0.1 0.2 0.2
Reclassification out of Accumulated Other Comprehensive Income | Unrecognized Pension and Postretirement Benefit Costs      
Reclassification Adjustment out of Accumulated Other Comprehensive Income      
Income of Parent Company Before Income Tax (16.3) (7.0) (15.5)
Income Tax Expense (Benefit) (3.4) (1.7) (3.3)
Net Income $ (12.9) $ (5.3) $ (12.2)
[1]
1Includes write-down of securities that we intended to sell prior to recovery of the amortized cost basis.
XML 103 R81.htm IDEA: XBRL DOCUMENT v3.25.0.1
Liability for Future Policy Benefit, Activity (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Future Policy Benefits $ 36,806.4 $ 40,009.4    
Unum US        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year 2,431.4 2,071.1 $ 2,619.1  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 2,486.9 2,166.0 2,311.9  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   (58.7) 185.7 $ (97.1)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (69.6) (90.2) (96.1)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   2,358.6 2,261.5 2,118.7
Liability for Future Policy Benefit, Expected Net Premium, Issuance 485.0 486.5 304.8  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 91.0 77.2 78.9  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (368.6) (338.3) (336.4)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 2,566.0 2,486.9 2,166.0  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (123.3) (55.5) (94.9)  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 2,442.7 2,431.4 2,071.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 11,752.5 11,698.2 14,564.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 11,949.5 12,177.3 12,671.7  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (197.2) 77.8 (228.2)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (309.1) (377.2) (384.6)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   11,443.2 11,877.9 12,058.9
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 1,991.0 2,007.7 2,083.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 415.8 442.1 476.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (2,284.2) (2,378.2) (2,441.8)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 11,565.8 11,949.5 12,177.3  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (535.8) (197.0) (479.1)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 11,030.0 11,752.5 11,698.2  
Liability for Future Policy Benefit, before Reinsurance, before Other 8,587.3 9,321.1 9,627.1  
Liability for Future Policy Benefit, Other 30.4 31.6 41.6  
Liability for Future Policy Benefit, before Reinsurance, after Other 8,617.7 9,352.7 9,668.7  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 194.0 208.6 251.2  
Liability for Future Policy Benefit, after Reinsurance 8,423.7 9,144.1 9,417.5  
Gross premiums or assessments 6,547.1 6,263.2 6,021.7  
interest accretion 324.8 364.9 397.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 17,621.3 17,926.6 17,850.4  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 11,657.3 11,175.4 9,504.7  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 8,027.2 $ 7,830.4 $ 6,901.2  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.30% 4.20% 4.00%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 4.90% 4.50% 4.70%  
Liability for Future Policy Benefit, Weighted-Average Duration 7 years 1 month 6 days 7 years 6 years 9 months 18 days  
Future Policy Benefits [2] $ 8,617.7 $ 9,352.7 $ 9,668.7  
Unum International        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year 270.3 197.1 260.5  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 298.4 246.8 258.1  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   (5.9) (5.1) (0.3)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   19.9 17.1 5.6
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   312.4 258.8 263.4
Liability for Future Policy Benefit, Expected Net Premium, Issuance 34.4 23.5 17.8  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 11.4 9.4 8.4  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (28.5) (23.0) (22.2)  
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change (15.5) 29.7 (20.6)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 314.2 298.4 246.8  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (38.1) (28.1) (49.7)  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 276.1 270.3 197.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 2,527.4 2,231.4 3,181.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 2,687.1 2,495.5 2,703.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   0.1 17.7 (20.1)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (20.5) 1.3 46.3
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   2,666.7 2,514.5 2,730.0
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [3] 379.0 335.2 327.7  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 67.9 63.5 64.9  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (409.3) (388.3) (346.7)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change (62.8) 162.2 (280.4)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 2,641.5 2,687.1 2,495.5  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (249.9) (159.7) (264.1)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 2,391.6 2,527.4 2,231.4  
Liability for Future Policy Benefit, before Reinsurance, before Other 2,115.5 2,257.1 2,034.3  
Liability for Future Policy Benefit, Other 40.7 36.1 28.9  
Liability for Future Policy Benefit, before Reinsurance, after Other 2,156.2 2,293.2 2,063.2  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 67.9 78.7 70.3  
Liability for Future Policy Benefit, after Reinsurance 2,088.3 2,214.5 1,992.9  
Gross premiums or assessments 957.1 849.0 786.8  
interest accretion 56.5 54.1 56.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 4,258.2 4,261.1 3,905.4  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 1,295.7 1,196.6 943.9  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 823.4 $ 778.6 $ 626.2  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.10% 4.00% 4.00%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.10% 4.60% 5.00%  
Liability for Future Policy Benefit, Weighted-Average Duration 8 years 9 months 18 days 8 years 7 months 6 days 8 years 7 months 6 days  
Future Policy Benefits $ 2,156.2 $ 2,293.2 $ 2,063.2  
Colonial Life        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year 3,592.6 3,745.4 4,597.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 3,754.3 4,046.4 4,158.9  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   (7.9) (322.7) (32.3)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (57.3) (53.5) (145.6)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   3,689.1 3,670.2 3,981.0
Liability for Future Policy Benefit, Expected Net Premium, Issuance 555.9 544.9 554.9  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 132.8 122.7 129.7  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (584.0) (583.5) (619.2)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 3,793.8 3,754.3 4,046.4  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (240.5) (161.7) (301.0)  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 3,553.3 3,592.6 3,745.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 5,566.0 5,581.1 7,054.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 5,925.2 6,163.9 6,201.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (52.7) (402.9) (85.9)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (92.2) (52.0) (191.3)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   5,780.3 5,709.0 5,924.3
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance 610.8 605.9 628.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 224.4 211.3 217.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (589.3) (601.0) (605.9)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 6,026.2 5,925.2 6,163.9  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (591.3) (359.2) (582.8)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 5,434.9 5,566.0 5,581.1  
Liability for Future Policy Benefit, before Reinsurance, before Other 1,881.6 1,973.4 1,835.7  
Liability for Future Policy Benefit, Other 22.6 24.4 22.7  
Liability for Future Policy Benefit, before Reinsurance, after Other 1,904.2 1,997.8 1,858.4  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 0.9 1.8 1.1  
Liability for Future Policy Benefit, after Reinsurance 1,903.3 1,996.0 1,857.3  
Gross premiums or assessments 1,718.9 1,658.6 1,635.8  
interest accretion 91.6 88.6 87.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 10,409.4 9,796.7 10,011.9  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 12,618.4 11,903.1 12,221.3  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 9,049.4 $ 8,702.2 $ 8,966.3  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.40% 4.30% 4.30%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.50% 4.80% 5.20%  
Liability for Future Policy Benefit, Weighted-Average Duration 17 years 3 months 18 days 17 years 17 years 6 months  
Future Policy Benefits $ 1,904.2 $ 1,997.8 $ 1,858.4  
Closed Block        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year 8,123.5 6,412.6 8,404.7  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 7,703.6 6,236.1 6,457.3  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   145.5 1,641.3 27.8
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (41.2) 44.1 (33.5)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   7,807.9 7,921.5 6,451.6
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 401.8 374.7 349.0  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (616.8) (592.6) (564.5)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 7,592.9 7,703.6 6,236.1  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax 65.6 419.9 176.5  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 7,658.5 8,123.5 6,412.6  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 32,577.7 29,418.7 40,504.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 30,743.9 28,852.3 28,820.2  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   1.3 2,009.4 241.8
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   85.7 117.1 (5.5)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   30,830.9 30,978.8 29,056.5
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [4] 101.2 123.4 154.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 1,545.0 1,510.3 1,477.9  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (1,932.4) (1,868.6) (1,836.6)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 30,544.7 30,743.9 28,852.3  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (481.1) 1,833.8 566.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 30,063.6 32,577.7 29,418.7  
Liability for Future Policy Benefit, before Reinsurance, before Other 22,405.1 24,454.2 23,006.1  
Liability for Future Policy Benefit, Other [5] 1,498.0 1,661.2 1,761.3  
Liability for Future Policy Benefit, before Reinsurance, after Other 23,903.1 26,115.4 24,767.4  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 6,775.9 7,466.9 7,805.5  
Liability for Future Policy Benefit, after Reinsurance 17,127.2 18,648.5 16,961.9  
Gross premiums or assessments 884.4 919.9 947.5  
interest accretion 1,143.2 1,135.6 1,128.9  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 71,145.2 73,341.4 65,293.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 13,767.1 14,486.4 12,629.9  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 8,029.1 $ 8,241.7 $ 7,333.5  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 5.30% 5.20% 5.20%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.50% 4.90% 5.20%  
Liability for Future Policy Benefit, Weighted-Average Duration 12 years 10 months 24 days 13 years 2 months 12 days 12 years 4 months 24 days  
Future Policy Benefits [2] $ 23,903.1 $ 26,115.4 $ 24,767.4  
Other Products        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Future Policy Benefits [2] 225.2 250.3 219.4  
Group Disability | Unum US        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Issuance 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 0.0 0.0 0.0  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 5,147.4 5,533.3 6,725.7  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 5,277.1 5,793.1 6,158.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (76.4) (100.2) (102.0)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (168.9) (204.0) (239.4)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   5,031.8 5,488.9 5,816.9
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 1,093.2 1,094.5 1,304.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 151.3 171.2 210.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (1,368.8) (1,477.5) (1,538.6)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 4,907.5 5,277.1 5,793.1  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (171.7) (129.7) (259.8)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 4,735.8 5,147.4 5,533.3  
Liability for Future Policy Benefit, before Reinsurance, before Other 4,735.8 5,147.4 5,533.3  
Liability for Future Policy Benefit, Other 0.4 0.2 0.4  
Liability for Future Policy Benefit, before Reinsurance, after Other 4,736.2 5,147.6 5,533.7  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 26.4 30.7 36.0  
Liability for Future Policy Benefit, after Reinsurance 4,709.8 5,116.9 5,497.7  
Gross premiums or assessments 3,070.4 2,958.7 2,791.7  
interest accretion 151.3 171.2 210.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 5,953.3 6,376.6 6,988.1  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 0.0 $ 0.0 $ 0.0  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.20% 4.00% 3.80%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 4.90% 4.60% 4.90%  
Liability for Future Policy Benefit, Weighted-Average Duration 4 years 2 months 12 days 4 years 3 months 18 days 4 years 4 months 24 days  
Group Life and AD&D | Unum US        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year $ 0.0 $ 0.0 $ 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Issuance 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 0.0 0.0 0.0  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 922.0 972.6 1,124.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 936.5 998.5 1,058.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (17.0) 0.0 (32.9)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (53.1) (37.0) (34.3)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   866.4 961.5 991.1
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 375.4 394.2 444.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 17.7 20.0 24.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (406.9) (439.2) (461.2)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 852.6 936.5 998.5  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (17.4) (14.5) (25.9)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 835.2 922.0 972.6  
Liability for Future Policy Benefit, before Reinsurance, before Other 835.2 922.0 972.6  
Liability for Future Policy Benefit, Other 0.8 1.0 0.9  
Liability for Future Policy Benefit, before Reinsurance, after Other 836.0 923.0 973.5  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 5.3 7.2 7.5  
Liability for Future Policy Benefit, after Reinsurance 830.7 915.8 966.0  
Gross premiums or assessments 1,996.0 1,878.0 1,864.9  
interest accretion 17.7 20.0 24.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 964.5 1,063.2 1,133.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 0.0 $ 0.0 $ 0.0  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 2.30% 2.20% 2.20%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 2.70% 2.60% 2.70%  
Liability for Future Policy Benefit, Weighted-Average Duration 2 years 4 months 24 days 2 years 7 months 6 days 2 years 7 months 6 days  
Voluntary Benefits | Unum US        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year $ 1,134.7 $ 868.2 $ 1,124.8  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 1,192.5 937.9 1,032.3  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   41.5 180.7 (23.4)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (66.2) (79.8) (70.9)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   1,167.8 1,038.8 938.0
Liability for Future Policy Benefit, Expected Net Premium, Issuance 316.3 288.6 136.2  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 39.4 29.0 29.1  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (188.2) (163.9) (165.4)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 1,335.3 1,192.5 937.9  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (95.1) (57.8) (69.7)  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 1,240.2 1,134.7 868.2  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 2,334.5 1,999.5 2,697.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 2,422.0 2,141.2 2,201.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   51.6 170.1 (39.9)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (68.0) (90.9) (74.9)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   2,405.6 2,220.4 2,087.0
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 339.3 303.7 154.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 97.7 86.2 86.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (228.0) (188.3) (185.9)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 2,614.6 2,422.0 2,141.2  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (252.1) (87.5) (141.7)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 2,362.5 2,334.5 1,999.5  
Liability for Future Policy Benefit, before Reinsurance, before Other 1,122.3 1,199.8 1,131.3  
Liability for Future Policy Benefit, Other 2.8 2.6 15.6  
Liability for Future Policy Benefit, before Reinsurance, after Other 1,125.1 1,202.4 1,146.9  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 13.0 14.0 14.1  
Liability for Future Policy Benefit, after Reinsurance 1,112.1 1,188.4 1,132.8  
Gross premiums or assessments 821.7 789.9 773.6  
interest accretion 58.3 57.2 57.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 5,590.6 5,173.1 4,561.1  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 5,799.1 5,450.6 3,979.6  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 3,815.4 $ 3,717.5 $ 2,939.1  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 5.00% 5.00% 5.10%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.50% 4.90% 5.20%  
Liability for Future Policy Benefit, Weighted-Average Duration 18 years 3 months 18 days 18 years 1 month 6 days 17 years 9 months 18 days  
Individual Disability | Unum US        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year $ 1,296.7 $ 1,202.9 $ 1,494.3  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 1,294.4 1,228.1 1,279.6  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   (100.2) 5.0 (73.7)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (3.4) (10.4) (25.2)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   1,190.8 1,222.7 1,180.7
Liability for Future Policy Benefit, Expected Net Premium, Issuance 168.7 197.9 168.6  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 51.6 48.2 49.8  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (180.4) (174.4) (171.0)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 1,230.7 1,294.4 1,228.1  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (28.2) 2.3 (25.2)  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 1,202.5 1,296.7 1,202.9  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 3,348.6 3,192.8 4,017.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 3,313.9 3,244.5 3,253.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (155.4) 7.9 (53.4)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (19.1) (45.3) (36.0)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   3,139.4 3,207.1 3,163.9
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 183.1 215.3 181.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 149.1 164.7 155.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (280.5) (273.2) (256.1)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 3,191.1 3,313.9 3,244.5  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (94.6) 34.7 (51.7)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 3,096.5 3,348.6 3,192.8  
Liability for Future Policy Benefit, before Reinsurance, before Other 1,894.0 2,051.9 1,989.9  
Liability for Future Policy Benefit, Other 26.4 27.8 24.7  
Liability for Future Policy Benefit, before Reinsurance, after Other 1,920.4 2,079.7 2,014.6  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 149.3 156.7 193.6  
Liability for Future Policy Benefit, after Reinsurance 1,771.1 1,923.0 1,821.0  
Gross premiums or assessments 659.0 636.6 591.5  
interest accretion 97.5 116.5 105.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 5,112.9 5,313.7 5,168.2  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 5,858.2 5,724.8 5,525.1  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 4,211.8 $ 4,112.9 $ 3,962.1  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 5.10% 5.10% 5.10%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.30% 4.80% 5.10%  
Liability for Future Policy Benefit, Weighted-Average Duration 9 years 4 months 24 days 9 years 7 months 6 days 9 years 4 months 24 days  
Long-term Care | Closed Block        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year $ 8,123.5 $ 6,412.6 $ 8,404.7  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 7,703.6 6,236.1 6,457.3  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   145.5 1,641.3 27.8
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (41.2) 44.1 (33.5)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   7,807.9 7,921.5 6,451.6
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 401.8 374.7 349.0  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (616.8) (592.6) (564.5)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 7,592.9 7,703.6 6,236.1  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax 65.6 419.9 176.5  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 7,658.5 8,123.5 6,412.6  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 24,697.7 21,199.9 30,089.6  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 22,649.3 20,221.6 19,870.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (4.1) 2,009.4 24.9
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   68.3 113.1 (36.2)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   22,713.5 22,344.1 19,859.5
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [4] 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 1,199.8 1,151.4 1,105.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (959.6) (846.2) (743.0)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 22,953.7 22,649.3 20,221.6  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (28.5) 2,048.4 978.3  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 22,925.2 24,697.7 21,199.9  
Liability for Future Policy Benefit, before Reinsurance, before Other 15,266.7 16,574.2 14,787.3  
Liability for Future Policy Benefit, Other [5] 1.7 23.1 24.3  
Liability for Future Policy Benefit, before Reinsurance, after Other 15,268.4 16,597.3 14,811.6  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 4.2 4.5 5.7  
Liability for Future Policy Benefit, after Reinsurance 15,264.2 16,592.8 14,805.9  
Gross premiums or assessments 696.2 696.1 697.5  
interest accretion 798.0 776.7 756.1  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 60,051.5 61,447.7 52,544.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 13,767.1 14,486.4 12,629.9  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 8,029.1 $ 8,241.7 $ 7,333.5  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 5.60% 5.60% 5.50%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.60% 5.00% 5.20%  
Liability for Future Policy Benefit, Weighted-Average Duration 15 years 8 months 12 days 16 years 4 months 24 days 15 years 6 months  
Other Insurance Product Line | Closed Block        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year $ 0.0 $ 0.0 $ 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   0.0 0.0 0.0
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 0.0 0.0 0.0  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 7,880.0 8,218.8 10,414.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 8,094.6 8,630.7 8,949.4  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   5.4 0.0 216.9
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   17.4 4.0 30.7
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   8,117.4 8,634.7 9,197.0
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [4] 101.2 123.4 154.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 345.2 358.9 372.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (972.8) (1,022.4) (1,093.6)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 7,591.0 8,094.6 8,630.7  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (452.6) (214.6) (411.9)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 7,138.4 7,880.0 8,218.8  
Liability for Future Policy Benefit, before Reinsurance, before Other 7,138.4 7,880.0 8,218.8  
Liability for Future Policy Benefit, Other [5] 1,496.3 1,638.1 1,737.0  
Liability for Future Policy Benefit, before Reinsurance, after Other 8,634.7 9,518.1 9,955.8  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 6,771.7 7,462.4 7,799.8  
Liability for Future Policy Benefit, after Reinsurance 1,863.0 2,055.7 2,156.0  
Gross premiums or assessments 188.2 223.8 250.0  
interest accretion 345.2 358.9 372.8  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 11,093.7 11,893.7 12,749.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 0.0 0.0 0.0  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 0.0 $ 0.0 $ 0.0  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.60% 4.60% 4.60%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.40% 4.90% 5.10%  
Liability for Future Policy Benefit, Weighted-Average Duration 7 years 2 months 12 days 7 years 3 months 18 days 7 years 4 months 24 days  
Operating Segments        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance beginning of year $ 14,417.8 $ 12,426.2 $ 15,881.3  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance beginning of year 14,243.2 12,695.3 13,186.2  
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change   73.0 1,499.2 (101.9)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (148.2) (82.5) (269.6)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change   14,168.0 14,112.0 12,814.7
Liability for Future Policy Benefit, Expected Net Premium, Issuance 1,075.3 1,054.9 877.5  
Liability for Future Policy Benefit, Expected Net Premium, Interest Income 637.0 584.0 566.0  
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected (1,597.9) (1,537.4) (1,542.3)  
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change (15.5) 29.7 (20.6)  
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance, balance end of period 14,266.9 14,243.2 12,695.3  
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (336.3) 174.6 (269.1)  
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, balance end of period 13,930.6 14,417.8 12,426.2  
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance beginning of year 52,423.6 48,929.4 65,305.0  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at beginning of year 51,305.7 49,689.0 50,397.2  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change   (248.5) 1,702.0 (92.4)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience   (336.1) (310.8) (535.1)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change   50,721.1 51,080.2 $ 49,769.7
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [6] 3,082.0 3,072.2 3,194.5  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense 2,253.1 2,227.2 2,236.2  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment (5,215.2) (5,236.1) (5,231.0)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change (62.8) 162.2 (280.4)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance, balance at end of period 50,778.2 51,305.7 49,689.0  
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (1,858.1) 1,117.9 (759.6)  
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change, balance end of period 48,920.1 52,423.6 48,929.4  
Liability for Future Policy Benefit, before Reinsurance, before Other 34,989.5 38,005.8 36,503.2  
Liability for Future Policy Benefit, Other [7] 1,591.7 1,753.3 1,854.5  
Liability for Future Policy Benefit, before Reinsurance, after Other 36,581.2 39,759.1 38,357.7  
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 7,038.7 7,756.1 8,128.2  
Liability for Future Policy Benefit, after Reinsurance 29,542.5 32,003.0 30,229.5  
Gross premiums or assessments 10,107.5 9,690.7 9,391.8  
interest accretion 1,616.1 1,643.2 1,670.2  
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance 103,434.1 105,325.8 97,060.7  
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance 39,338.5 38,761.5 35,299.8  
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance $ 25,929.1 $ 25,552.9 $ 23,827.2  
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.90% 4.80% 4.80%  
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.30% 4.80% 5.00%  
Liability for Future Policy Benefit, Weighted-Average Duration 11 years 4 months 24 days 11 years 6 months 10 years 10 months 24 days  
Future Policy Benefits $ 36,806.4 $ 40,009.4 $ 38,577.1  
[1]
1Issuances include new policy issuances for most product lines. Issuances for Unum US group disability and Unum US group life and AD&D represents new claim incurrals.
[2]
1Unum US excludes the dental and vision product line and medical stop-loss products and Closed Block excludes our participating fund account, which represents policies issued by one of our subsidiaries prior to its 1986 conversion from a mutual stock life insurance company. The liabilities associated with these products are included within Other products.
[3]
1Issuances for Unum International primarily represent new claim incurrals.
[4]
1Issuances for Closed Block - All Other represents new claim incurrals.
[5]
2Other for Closed Block - All Other primarily includes our closed block group pension products and certain of our ceded closed block individual life products.
[6]
1Issuances include new policy issuances for most product lines. For our Unum US group disability, Unum US group life and AD&D and Closed Block - All Other product lines and certain of our Unum International product lines, this line represents new claim incurrals.
[7]
2Other primarily relates to our Closed Block - All Other product line.
XML 104 R82.htm IDEA: XBRL DOCUMENT v3.25.0.1
Liability for Future Policy Benefit, Activity - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Long-term Care | Closed Block    
Liability for Future Policy Benefit, Activity [Line Items]    
Liability for Future Policy Benefit, Adverse Development, Expense $ (46.2) $ 226.5
XML 105 R83.htm IDEA: XBRL DOCUMENT v3.25.0.1
Policyholders' Account Balances (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Policyholder Account Balance [Roll Forward]      
Policyholders' Account Balances $ 5,633.7 $ 5,667.7  
Operating Segments      
Policyholder Account Balance [Roll Forward]      
Policyholder Account Balance, before Reserves in excess of Account Balance, beginning of year 5,514.2 5,598.6 $ 5,679.6
Policyholder Account Balance, Premium Received 159.7 175.1 187.6
Policyholder Account Balance, Policy Charge (230.1) [1] (242.3) [1] (248.0)
Policyholder Account Balance, Surrender and Withdrawal (81.3) (88.9) (90.4)
Policyholder Account Balance, Benefit Payment (258.9) (233.1) (311.5)
Policyholder Account Balance, Interest Expense 355.5 378.5 369.2
Policyholder Account Balance, Increase (Decrease) from Other Change 10.9 (73.7) 12.1
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period 5,470.0 5,514.2 5,598.6
Policyholder Account Balance, Reserves in excess of Account Balance 163.7 153.5 141.6
Policyholders' Account Balances 5,633.7 5,667.7 5,740.2
Policyholder Account Balance, Reinsurance recoverable 4,096.3 4,120.7 4,192.7
Policyholder Account Balance, After reinsurance recoverable $ 1,537.4 $ 1,547.0 $ 1,547.5
Policyholder Account Balance, Weighted Average Crediting Rate 6.70% 7.00% 6.70%
Policyholder Account Balance, Net Amount at Risk $ 14,058.3 [2] $ 15,080.0 [2] $ 16,178.1
Policyholder Account Balance, Cash Surrender Value 5,410.1 5,442.7 5,430.1
Colonial Life      
Policyholder Account Balance [Roll Forward]      
Policyholder Account Balance, before Reserves in excess of Account Balance, beginning of year 852.9 852.4 849.2
Policyholder Account Balance, Premium Received 79.5 84.9 90.9
Policyholder Account Balance, Policy Charge (71.9) [1] (74.7) [1] (78.0)
Policyholder Account Balance, Surrender and Withdrawal (38.0) (36.8) (36.2)
Policyholder Account Balance, Benefit Payment (7.8) (7.2) (8.0)
Policyholder Account Balance, Interest Expense 34.1 34.2 34.2
Policyholder Account Balance, Increase (Decrease) from Other Change 0.2 0.1 0.3
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period 849.0 852.9 852.4
Policyholder Account Balance, Reserves in excess of Account Balance 13.5 16.9 16.7
Policyholders' Account Balances 862.5 869.8 869.1
Policyholder Account Balance, Reinsurance recoverable 0.0 0.0 0.2
Policyholder Account Balance, After reinsurance recoverable $ 862.5 $ 869.8 $ 868.9
Policyholder Account Balance, Weighted Average Crediting Rate 4.10% 4.10% 4.10%
Policyholder Account Balance, Net Amount at Risk $ 8,201.1 [2] $ 8,760.1 [2] $ 9,338.5
Policyholder Account Balance, Cash Surrender Value 819.8 813.5 800.9
Voluntary Benefits | Unum US      
Policyholder Account Balance [Roll Forward]      
Policyholder Account Balance, before Reserves in excess of Account Balance, beginning of year 578.6 586.8 598.7
Policyholder Account Balance, Premium Received 53.7 58.5 64.5
Policyholder Account Balance, Policy Charge (56.8) [1] (60.4) [1] (64.5)
Policyholder Account Balance, Surrender and Withdrawal (30.9) (33.3) (32.9)
Policyholder Account Balance, Benefit Payment (6.0) (9.7) (10.7)
Policyholder Account Balance, Interest Expense 20.8 22.2 23.5
Policyholder Account Balance, Increase (Decrease) from Other Change 9.4 14.5 8.2
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period 568.8 578.6 586.8
Policyholder Account Balance, Reserves in excess of Account Balance 106.9 99.5 92.9
Policyholders' Account Balances 675.7 678.1 679.7
Policyholder Account Balance, Reinsurance recoverable 0.8 0.9 1.1
Policyholder Account Balance, After reinsurance recoverable $ 674.9 $ 677.2 $ 678.6
Policyholder Account Balance, Weighted Average Crediting Rate 3.70% 3.90% 4.00%
Policyholder Account Balance, Net Amount at Risk $ 4,132.2 [2] $ 4,495.6 [2] $ 4,908.0
Policyholder Account Balance, Cash Surrender Value 559.0 566.9 583.3
Other Insurance Product Line | Closed Block      
Policyholder Account Balance [Roll Forward]      
Policyholder Account Balance, before Reserves in excess of Account Balance, beginning of year 4,082.7 4,159.4 4,231.7
Policyholder Account Balance, Premium Received 26.5 31.7 32.2
Policyholder Account Balance, Policy Charge (101.4) [1] (107.2) [1] (105.5)
Policyholder Account Balance, Surrender and Withdrawal (12.4) (18.8) (21.3)
Policyholder Account Balance, Benefit Payment (245.1) (216.2) (292.8)
Policyholder Account Balance, Interest Expense 300.6 322.1 311.5
Policyholder Account Balance, Increase (Decrease) from Other Change 1.3 (88.3) 3.6
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period 4,052.2 4,082.7 4,159.4
Policyholder Account Balance, Reserves in excess of Account Balance 43.3 37.1 32.0
Policyholders' Account Balances 4,095.5 4,119.8 4,191.4
Policyholder Account Balance, Reinsurance recoverable 4,095.5 4,119.8 4,191.4
Policyholder Account Balance, After reinsurance recoverable $ 0.0 $ 0.0 $ 0.0
Policyholder Account Balance, Weighted Average Crediting Rate 7.60% 8.00% 7.60%
Policyholder Account Balance, Net Amount at Risk $ 1,725.0 [2] $ 1,824.3 [2] $ 1,931.6
Policyholder Account Balance, Cash Surrender Value $ 4,031.3 $ 4,062.3 $ 4,045.9
[1]
1Contracts included in the policyholders' account balances are generally charged a premium and/or monthly assessments on the basis of the account balance.
[2]
2For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date.
XML 106 R84.htm IDEA: XBRL DOCUMENT v3.25.0.1
Policyholder Account Balance, Guaranteed Minimum Crediting (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Operating Segments        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 5,470.0 $ 5,514.2 $ 5,598.6 $ 5,679.6
Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 849.0 852.9 852.4 849.2
Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 568.8 578.6 586.8 598.7
Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 4,052.2 4,082.7 4,159.4 $ 4,231.7
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 89.3 $ 91.9 $ 94.4  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Minimum | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.00% 3.00% 3.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Maximum | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99% 3.99%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 448.6 $ 454.9 $ 458.4  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Minimum | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 4.00% 4.00% 4.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Maximum | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 4.99% 4.99% 4.99%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 30.9 $ 31.8 $ 34.0  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Minimum | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 5.00% 5.00% 5.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Maximum | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 6.00% 6.00% 6.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 849.0 $ 852.9 $ 852.4  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Minimum | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 4.00% 4.00% 4.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Maximum | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 5.00% 5.00% 5.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 1,532.2 $ 1,639.3 $ 1,697.2  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Minimum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.00% 3.00% 3.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Maximum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 5.99% 5.99% 5.99%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 26.0 $ 32.3 $ 31.4  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Minimum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 6.00% 6.00% 6.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Maximum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 8.99% 8.99% 8.99%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 2,432.2 $ 2,354.9 $ 2,378.2  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Minimum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 9.00% 9.00% 9.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Maximum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 11.99% 11.99% 11.99%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 61.8 $ 56.2 $ 52.6  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Minimum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 12.00% 12.00% 12.00%  
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Maximum | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, Guaranteed Minimum Credit Rating 15.00% 15.00% 15.00%  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Operating Segments        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 3,762.4 $ 2,044.0 $ 5,373.2  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 338.7 350.8 402.9  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 2,581.0 846.5 4,123.9  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 89.3 91.9 94.4  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 218.5 227.1 274.5  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 30.9 31.8 34.0  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 842.7 846.7 846.4  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 1,280.2 526.8 1,661.7  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 26.0 1.3 31.4  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 1,274.8 318.4 2,378.2  
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 52.6  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Operating Segments        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 1,647.1 3,401.8 219.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 195.0 190.1 183.9  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 1,445.8 3,205.5 29.1  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 195.0 190.1 183.9  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 6.3 6.2 6.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 226.6 1,081.8 29.1  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 31.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 1,157.4 2,036.5 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 61.8 56.2 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Operating Segments        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 60.5 68.4 6.4  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 35.1 37.7 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 25.4 30.7 6.4  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 35.1 37.7 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 25.4 30.7 6.4  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Operating Segments        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Voluntary Benefits | Unum US        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance 0.0 0.0 0.0  
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Other Insurance Product Line | Closed Block        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder Account Balance, before Reserves in excess of Account Balance $ 0.0 $ 0.0 $ 0.0  
XML 107 R85.htm IDEA: XBRL DOCUMENT v3.25.0.1
Deferred Policy Acquisition Costs (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year $ 2,714.5    
Amortization expense (521.0) $ (481.4) $ (421.1)
Deferred Acquisition Costs at End of Year 2,842.8 2,714.5  
Operating Segments      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 2,714.5 2,560.0 2,427.4
Capitalization 651.5 632.2 556.9
Amortization expense (521.0) (481.4) (421.1)
Foreign currency (2.2) 3.7 (3.2)
Deferred Acquisition Costs at End of Year 2,842.8 2,714.5 2,560.0
Unum US      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 1,232.2 1,185.1 1,152.9
Capitalization 320.9 314.7 273.1
Amortization expense (292.5) (267.6) (240.9)
Foreign currency 0.0 0.0 0.0
Deferred Acquisition Costs at End of Year 1,260.6 1,232.2 1,185.1
Unum US | Operating Segments      
Movement Analysis of Deferred Policy Acquisition Costs      
Capitalization 320.9 314.7 273.1
Amortization expense (292.5) (267.6) (240.9)
Unum International      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 46.9 37.0 36.4
Capitalization 17.8 14.6 12.0
Amortization expense (9.5) (8.4) (8.2)
Foreign currency (2.2) 3.7 (3.2)
Deferred Acquisition Costs at End of Year 53.0 46.9 37.0
Unum International | Operating Segments      
Movement Analysis of Deferred Policy Acquisition Costs      
Capitalization 17.8 14.6 12.0
Amortization expense (9.5) (8.4) (8.2)
Colonial Life      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 1,435.4 1,337.9 1,238.1
Capitalization 312.8 302.9 271.8
Amortization expense (219.0) (205.4) (172.0)
Foreign currency 0.0 0.0 0.0
Deferred Acquisition Costs at End of Year 1,529.2 1,435.4 1,337.9
Colonial Life | Operating Segments      
Movement Analysis of Deferred Policy Acquisition Costs      
Capitalization 312.8 302.9 271.8
Amortization expense (219.0) (205.4) (172.0)
Group Disability | Unum US      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 63.6 61.0 60.9
Capitalization 62.2 60.2 53.1
Amortization expense (64.7) (57.6) (53.0)
Deferred Acquisition Costs at End of Year 61.1 63.6 61.0
Group Life and AD&D | Unum US      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 48.9 49.3 53.9
Capitalization 40.6 38.6 37.3
Amortization expense (38.4) (39.0) (41.9)
Deferred Acquisition Costs at End of Year 51.1 48.9 49.3
Voluntary Benefits | Unum US      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 610.6 601.0 588.6
Capitalization 120.2 115.8 100.0
Amortization expense (116.5) (106.2) (87.6)
Deferred Acquisition Costs at End of Year 614.3 610.6 601.0
Individual Disability | Unum US      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 497.8 464.4 441.8
Capitalization 83.4 87.4 72.0
Amortization expense (60.0) (54.0) (49.4)
Deferred Acquisition Costs at End of Year 521.2 497.8 464.4
Dental and Vision | Unum US      
Movement Analysis of Deferred Policy Acquisition Costs      
Deferred Acquisition Costs at Beginning of Year 11.3 9.4 7.7
Capitalization 14.5 12.7 10.7
Amortization expense (12.9) (10.8) (9.0)
Deferred Acquisition Costs at End of Year $ 12.9 $ 11.3 $ 9.4
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Income Tax Expense (Benefit) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax [Abstract]      
Income Tax Expense $ 472.2 $ 356.3 $ 342.8
Total Income Tax Expense 696.1 381.6 836.7
Other Comprehensive Income (Loss), Tax      
Income Tax Expense (Benefit), Change in Net Unrealized Gain on Securities (226.6) 300.6 (1,890.8)
Income Tax Expense (Benefit), Change in the Effect of Discount Rate Assumptions on the Liability for Future Policy and Contract Benefits 488.9 (256.5) 2,385.1
Income Tax Benefit, Change in Net Gain (Loss) on Derivatives (51.5) (17.0) (19.2)
Income Tax Expense (Benefit), Change in Foreign Currency Translation Adjustment 1.1 0.9 (0.1)
Income Tax Expense (Benefit), Change in Unrecognized Pension and Postretirement Benefit Costs $ 12.0 $ (2.7) $ 18.9
XML 109 R87.htm IDEA: XBRL DOCUMENT v3.25.0.1
Reconciliation of income tax computed at US Federal tax rates (Detail)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax [Abstract]      
Statutory Income Tax 21.00% 21.00% 21.00%
Policyholder Reserves 0.30% (0.60%) (1.70%)
Other Items, Net (0.30%) 1.30% 0.30%
Effective Tax 21.00% 21.70% 19.60%
XML 110 R88.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule of deferred income tax assets and liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Income Tax [Abstract]    
Deferred Tax Assets, Investments $ 593.2 $ 354.5
Deferred Tax Asset, Reserves 0.0 462.6
Deferred Tax Asset, Employee Benefits 146.3 161.9
Deferred Tax Asset, Other 36.8 35.8
Deferred Tax Assets, Gross, Total 776.3 1,014.8
Less: Valuation Allowance 12.1 11.0
Deferred Tax Assets, Net of Valuation Allowance, Total 764.2 1,003.8
Deferred Tax Liabilities, Deferred Acquisition Cost 167.0 175.1
Deferred Tax Liability, Reserves 85.9 0.0
Deferred Tax Liabilities, Cost of Reinsurance 110.4 119.7
Deferred Tax Liability, Other 62.2 86.6
Gross Deferred Tax Liability 425.5 381.4
Deferred Income Tax $ 338.7 $ 622.4
XML 111 R89.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule of Income subject to domestic and foreign taxation (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax [Abstract]      
Income Before Tax, Domestic $ 2,129.5 $ 1,506.2 $ 1,596.8
Income Before Tax, Foreign 121.8 133.9 153.2
Income Before Income Tax 2,251.3 1,640.1 1,750.0
Current Tax Expense (Benefit), Domestic 393.1 440.4 306.5
Current State and Local Tax Expense (Benefit) (8.5) (2.5) 12.7
Current Tax Expense (Benefit), Foreign 47.5 14.1 154.3
Income Tax (Benefit) - Current 432.1 452.0 473.5
Deferred Tax Expense (Benefit), Federal 59.8 (106.2) 42.7
Deferred State and Local Income Tax Expense (Benefit) (0.6) (1.5) 1.1
Deferred Tax Expense (Benefit), Foreign (19.1) 12.0 (174.5)
Deferred Income Tax Expense (Benefit) 40.1 (95.7) (130.7)
Income Tax Expense $ 472.2 $ 356.3 $ 342.8
XML 112 R90.htm IDEA: XBRL DOCUMENT v3.25.0.1
Unrecognized tax benefits (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax [Abstract]      
Balance at Beginning of Year $ 156.7 $ 177.4 $ 198.8
Decreases for Tax Positions Related to Prior Years (20.7) (20.7) (21.0)
Lapse of the Applicable Statute of Limitations 0.0 0.0 (0.4)
Balance at End of Year 136.0 156.7 177.4
Less Tax Attributable to Temporary Items Included Above (21.2) (42.4) (63.5)
Total Unrecognized Tax Benefits that if Recognized Would Affect the Effective Tax Rate $ 114.8 $ 114.3 $ 113.9
XML 113 R91.htm IDEA: XBRL DOCUMENT v3.25.0.1
Income Tax Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2018
Federal Income Tax Note        
Less Tax Attributable to Temporary Items Included Above $ (21.2) $ (42.4) $ (63.5)  
Unrecognized Tax Benefits, Interest on Income Taxes Expense 13.2 12.2 7.8  
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 59.4 46.2 34.0  
Operating Loss Carryforwards 0.0      
Valuation Allowance on Deferred Tax Assets 12.1 11.0    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 1.1 0.7    
Income Taxes Paid, Net 376.0 $ 446.0 $ 375.0  
Tax Year 2017        
Federal Income Tax Note        
Increases for Tax Positions Related to Prior Years       $ 261.1
State and Local Jurisdiction        
Federal Income Tax Note        
Operating Loss Carryforwards $ 182.9      
XML 114 R92.htm IDEA: XBRL DOCUMENT v3.25.0.1
Debt Schedule (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument    
Long-term Debt, Excluding Current Maturities $ 3,465.2 $ 3,430.4
Debt Instrument, Unamortized Discount (Premium), Noncurrent, Net (131.3) 2.5
Debt Issuance Costs, Noncurrent, Net (37.0) (30.6)
Short-term debt 274.6 0.0
Debt Instrument, Unamortized Discount, Current (0.2) 0.0
Debt Issuance Costs, Current, Net 0.2 0.0
Long-term Debt 3,739.8 3,430.4
Five-Year Term Loan Facility    
Debt Instrument    
Line of Credit Facility, Fair Value of Amount Outstanding 0.0 350.0
Notes Issued in 1998 with 2028 Maturity Date | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 335.8 335.8
Notes Payable due 2032 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 39.5 39.5
Notes Payable due 2042 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 500.0 500.0
Notes Payable due 2025 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 0.0 275.0
Short-term debt 275.0 0.0
Notes Payable due 2029 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 400.0 400.0
Notes Payable due 2049 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 450.0 450.0
Notes Payable due 2051 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 600.0 600.0
Notes Payable due 2041 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 400.0 0.0
Notes Payable due 2054 | Senior Notes    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 400.0 0.0
Medium Term Notes Payable Due 2028 | Medium-Term Note    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 18.5 18.5
Notes Issued in 1998 with 2038 Maturity Date | Junior Subordinated Debt    
Debt Instrument    
Long-term Debt, Excluding Current Maturities 189.7 189.7
Notes Payable due 2058 | Junior Subordinated Debt    
Debt Instrument    
Long-term Debt, Excluding Current Maturities $ 300.0 $ 300.0
XML 115 R93.htm IDEA: XBRL DOCUMENT v3.25.0.1
Debt - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 1998
Debt Additional Information        
Repayments of Principal in 2025 $ 275.0      
Repayments of Principal in 2028 354.3      
Repayments of Principal in 2029 400.0      
Repayments of Principal Thereafter $ 2,879.2      
Unum Group Percentage Ownership of Provident Financing Trust 100.00%      
Interest Paid, Including Capitalized Interest, Operating and Investing Activities $ 190.4 $ 183.6 $ 172.9  
Five-year Unsecured Revolving Credit Facility        
Debt Additional Information        
Letters of Credit Outstanding 0.4      
Line of Credit Facility, Maximum Borrowing Capacity 500.0      
Line of Credit Facility, Additional Borrowing Capacity If Requested 200.0      
Line of Credit Facility, Fair Value of Amount Outstanding 0.0      
Facility agreement for contingent issuance of senior notes | Parent Company        
Debt Additional Information        
Line of Credit Facility, Maximum Borrowing Capacity $ 400.0      
Line of Credit Facility, Commitment Fee Percentage 2.225%      
Notes Issued in 1998 with 2038 Maturity Date | Junior Subordinated Debt        
Debt Additional Information        
Stated Interest Rate of Debt       7.405%
Proceeds from Issuance of Senior Long-term Debt       $ 300.0
Liquidation value per capital security $ 1,000      
7.405% junior subordinated debt securities due 2038        
Debt Additional Information        
Debt Instrument, Repurchased Face Amount     14.0  
Costs Related to Early Retirement of Debt     $ 1.2  
4.000% Notes due 2024 | Senior Notes        
Debt Additional Information        
Stated Interest Rate of Debt     4.00%  
Debt Instrument, Repurchased Face Amount     $ 350.0  
Costs Related to Early Retirement of Debt     $ 3.0  
6.000% Senior Notes due 2054 | Senior Notes        
Debt Additional Information        
Stated Interest Rate of Debt 6.00%      
Debt Instrument, Face Amount $ 400.0      
Junior Subordinated Debt | Junior Subordinated Notes Payable Due 2038        
Debt Additional Information        
Stated Interest Rate of Debt       7.405%
XML 116 R94.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Change in Projected Benefit Obligation Amount (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan | UNITED STATES      
Defined Benefit Plan, Change in Benefit Obligation      
Benefit Obligation at Beginning of Year $ 1,575.3 $ 1,585.5  
Service Cost 9.2 9.2 $ 7.7
Interest Cost 82.9 87.9 67.2
Plan Participant Contributions 0.0 0.0  
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) [1] (57.7) 61.0  
Benefits and Expenses Paid (91.1) (168.3)  
Change in Foreign Exchange Rates 0.0 0.0  
Benefit Obligation at End of Year 1,518.6 1,575.3 1,585.5
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair Value of Plan Assets at Beginning of Year 1,295.9 1,308.3  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) 27.1 145.6  
Employer Contributions to Defined Benefit Plan 9.7 10.3  
Plan Participant Contributions 0.0 0.0  
Benefits and Expenses Paid (91.1) (168.3)  
Effect of Foreign Exchange Rates on Plan Assets 0.0 0.0  
Fair Value of Plan Assets at End of Year 1,241.6 1,295.9 1,308.3
Accumulated Benefit Obligation 1,518.6 1,575.3  
Underfunded Status of Plan 277.0 279.4  
Pension Plan | Foreign Plan      
Defined Benefit Plan, Change in Benefit Obligation      
Benefit Obligation at Beginning of Year 172.3 157.9  
Service Cost 0.0 0.0 0.0
Interest Cost 7.6 7.7 5.0
Plan Participant Contributions 0.0 0.0  
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) [1] (19.3) 3.8  
Benefits and Expenses Paid (5.9) (5.7)  
Change in Foreign Exchange Rates (2.6) 8.6  
Benefit Obligation at End of Year 152.1 172.3 157.9
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair Value of Plan Assets at Beginning of Year 145.4 140.5  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) (12.1) 3.1  
Employer Contributions to Defined Benefit Plan 0.0 0.0  
Plan Participant Contributions 0.0 0.0  
Benefits and Expenses Paid (5.9) (5.7)  
Effect of Foreign Exchange Rates on Plan Assets (2.1) 7.5  
Fair Value of Plan Assets at End of Year 125.3 145.4 140.5
Accumulated Benefit Obligation 152.1 172.3  
Underfunded Status of Plan 26.8 26.9  
Other Postretirement Benefit Plans      
Defined Benefit Plan, Change in Benefit Obligation      
Benefit Obligation at Beginning of Year 79.0 83.9  
Service Cost 0.0 0.0 0.0
Interest Cost 4.0 4.5 3.0
Plan Participant Contributions 0.1 0.1  
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) [1] (1.5) (0.5)  
Benefits and Expenses Paid (8.8) (9.0)  
Change in Foreign Exchange Rates 0.0 0.0  
Benefit Obligation at End of Year 72.8 79.0 83.9
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair Value of Plan Assets at Beginning of Year 8.2 8.5  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) 0.1 0.0  
Employer Contributions to Defined Benefit Plan 8.3 8.6  
Plan Participant Contributions 0.1 0.1  
Benefits and Expenses Paid (8.8) (9.0)  
Effect of Foreign Exchange Rates on Plan Assets 0.0 0.0  
Fair Value of Plan Assets at End of Year 7.9 8.2 $ 8.5
Underfunded Status of Plan $ 64.9 $ 70.8  
[1] The actuarial gains recognized in 2024 for the U.S., U.K., and OPEB plans were driven by increases in the discount rate assumption. The actuarial losses recognized in 2023 for the U.S. and U.K. plans were driven by decreases in the discount rate assumption. Also contributing to the actuarial loss for the U.K. plan in 2023 was unfavorable plan experience resulting from a higher than expected rate of inflation. The actuarial gain recognized in 2023 for the OPEB plan was driven by favorable plan experience, mostly offset by a decrease in the discount rate assumption.
XML 117 R95.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Amounts Recognized in Balance Sheet (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan | UNITED STATES      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Current Pension Liability $ 9.4 $ 9.1  
Noncurrent Pension Liability 267.6 270.3  
Underfunded Status of Plan 277.0 279.4  
Net Actuarial Gain (Loss) in Balance Sheet (496.0) (510.2)  
Prior Service Credit in Balance Sheet (0.5) (0.6)  
Pension Recognized in Balance Sheet, Gross of Deferred Tax (496.5) (510.8)  
Pension Deferred Tax Asset in Balance Sheet 200.1 211.2  
Pension Recognized in Balance Sheet, Net of Deferred Tax (296.4) (299.6) $ (304.9)
Pension Plan | Foreign Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Current Pension Liability 0.0 0.0  
Noncurrent Pension Liability 26.8 26.9  
Underfunded Status of Plan 26.8 26.9  
Net Actuarial Gain (Loss) in Balance Sheet (91.7) (95.0)  
Prior Service Credit in Balance Sheet (0.2) (0.2)  
Pension Recognized in Balance Sheet, Gross of Deferred Tax (91.9) (95.2)  
Pension Deferred Tax Asset in Balance Sheet 21.4 22.2  
Pension Recognized in Balance Sheet, Net of Deferred Tax (70.5) (73.0) (64.4)
Other Postretirement Benefit Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Current Pension Liability 0.7 0.7  
Noncurrent Pension Liability 64.2 70.1  
Underfunded Status of Plan 64.9 70.8  
Net Actuarial Gain (Loss) in Balance Sheet 21.2 21.2  
Prior Service Credit in Balance Sheet 2.1 2.3  
Pension Recognized in Balance Sheet, Gross of Deferred Tax 23.3 23.5  
Pension Deferred Tax Asset in Balance Sheet 3.4 3.4  
Pension Recognized in Balance Sheet, Net of Deferred Tax $ 26.7 $ 26.9 $ 35.2
XML 118 R96.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Amounts Recognized in Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan | UNITED STATES      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Pension Recognized in Balance Sheet, Net of Deferred Tax, Beginning of Year $ (299.6) $ (304.9)  
Amortization of Net Actuarial Loss (Gain) 14.6 15.2 $ 16.3
All Other Changes (0.4) (7.6)  
Amortization of Prior Service Cost (Credit) 0.1 0.0 0.0
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense (11.1) (2.3)  
Pension Recognized in Balance Sheet, Net of Deferred Tax, End of Year (296.4) (299.6) (304.9)
Pension Plan | Foreign Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Pension Recognized in Balance Sheet, Net of Deferred Tax, Beginning of Year (73.0) (64.4)  
Amortization of Net Actuarial Loss (Gain) 2.9 2.5 0.4
All Other Changes 0.4 (13.8)  
Amortization of Prior Service Cost (Credit) 0.0 0.0 0.0
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense (0.8) 2.7  
Pension Recognized in Balance Sheet, Net of Deferred Tax, End of Year (70.5) (73.0) (64.4)
Other Postretirement Benefit Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Pension Recognized in Balance Sheet, Net of Deferred Tax, Beginning of Year 26.9 35.2  
Amortization of Net Actuarial Loss (Gain) (1.1) (10.5) (1.0)
All Other Changes 1.1 0.1  
Amortization of Prior Service Cost (Credit) (0.2) (0.2) (0.2)
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense 0.0 2.3  
Pension Recognized in Balance Sheet, Net of Deferred Tax, End of Year $ 26.7 $ 26.9 $ 35.2
XML 119 R97.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans US Pension Assets, Fair Value Measurement by Input Level (Details) - UNITED STATES - Pension Plan - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Equity Funds    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount $ 424.8 $ 445.8
Equity Funds | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 52.5 55.0
Equity Funds | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Equity Funds | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Equity Funds | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 372.3 390.8
U.S. Government and Agencies    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount [1] 218.4 256.7
U.S. Government and Agencies | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount [1] 234.5 215.9
U.S. Government and Agencies | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount [1] (16.1) 40.8
U.S. Government and Agencies | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount [1] 0.0 0.0
U.S. Government and Agencies | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount [1] 0.0 0.0
Corporate    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 124.1 130.0
Corporate | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Corporate | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Corporate | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Corporate | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 124.1 130.0
Non-U.S. Emerging Markets    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 32.4 27.9
Non-U.S. Emerging Markets | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Non-U.S. Emerging Markets | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Non-U.S. Emerging Markets | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Non-U.S. Emerging Markets | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 32.4 27.9
Opportunistic Credits    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 139.6 150.6
Opportunistic Credits | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Opportunistic Credits | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Opportunistic Credits | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Opportunistic Credits | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 139.6 150.6
Real Estate    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 166.1 162.8
Real Estate | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Real Estate | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Real Estate | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Real Estate | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 166.1 162.8
Private Equity Direct Investments    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 63.1 68.5
Private Equity Direct Investments | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Private Equity Direct Investments | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Private Equity Direct Investments | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Private Equity Direct Investments | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 63.1 68.5
Private Equity Funds of Funds    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 35.2 40.7
Private Equity Funds of Funds | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Private Equity Funds of Funds | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Private Equity Funds of Funds | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Private Equity Funds of Funds | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 35.2 40.7
Cash Equivalents    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 17.2 16.0
Cash Equivalents | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 17.2 16.0
Cash Equivalents | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Cash Equivalents | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Cash Equivalents | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Total Invested Assets    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 1,220.9 1,299.0
Total Invested Assets | Fair Value, Inputs, Level 1    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 304.2 286.9
Total Invested Assets | Fair Value, Inputs, Level 2    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount (16.1) 40.8
Total Invested Assets | Fair Value, Inputs, Level 3    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Total Invested Assets | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plan Disclosure    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount $ 932.8 $ 971.3
[1]
1 U.S. Government and Agencies Fixed Income Securities includes derivative liabilities.
XML 120 R98.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans UK Pension Assets, Fair Value Measurement by Input Level (Details) - Pension Plan - Foreign Plan - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Diversified Growth Assets    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount $ 35.4 $ 34.0
Diversified Growth Assets | Fair Value, Inputs, Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 25.6 28.1
Diversified Growth Assets | Fair Value, Inputs, Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Diversified Growth Assets | Fair Value, Inputs, Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0
Diversified Growth Assets | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 9.8 5.9
Fixed Income and Index-linked Securities    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 50.5 75.3
Fixed Income and Index-linked Securities | Fair Value, Inputs, Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 50.5 75.3
Fixed Income and Index-linked Securities | Fair Value, Inputs, Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Fixed Income and Index-linked Securities | Fair Value, Inputs, Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Fixed Income and Index-linked Securities | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Alternative Investments    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 34.5 34.8
Alternative Investments | Fair Value, Inputs, Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Alternative Investments | Fair Value, Inputs, Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Alternative Investments | Fair Value, Inputs, Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Alternative Investments | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 34.5 34.8
Cash Equivalents    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 5.3 1.3
Cash Equivalents | Fair Value, Inputs, Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 5.3 1.3
Cash Equivalents | Fair Value, Inputs, Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Cash Equivalents | Fair Value, Inputs, Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Cash Equivalents | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Total Invested Assets    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 125.7 145.4
Total Invested Assets | Fair Value, Inputs, Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 81.4 104.7
Total Invested Assets | Fair Value, Inputs, Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Total Invested Assets | Fair Value, Inputs, Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount 0.0 0.0
Total Invested Assets | Fair Value Measured at Net Asset Value Per Share    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount $ 44.3 $ 40.7
XML 121 R99.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans OPEB Plan Assets, Fair Value Measurements by Input Level (Details) - Other Postretirement Benefit Plans - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans    
Life Settlement Contracts, Fair Value Method, Face Value $ 7.9 $ 8.2
Fair Value, Inputs, Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Life Settlement Contracts, Fair Value Method, Face Value 0.0 0.0
Fair Value, Inputs, Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Life Settlement Contracts, Fair Value Method, Face Value 0.0 0.0
Fair Value, Inputs, Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Life Settlement Contracts, Fair Value Method, Face Value $ 7.9 $ 8.2
XML 122 R100.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans OPEB Changes in Assets Measured at Fair Value Using Signficant Unobservable Inputs (Details) - Other Postretirement Benefit Plans - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Fair Value of Plan Assets at Beginning of Year $ 8.2 $ 8.5
Fair Value of Plan Assets at End of Year 7.9 8.2
Fair Value, Inputs, Level 3 | Life Insurance Contracts    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation    
Fair Value of Plan Assets at Beginning of Year 8.2 8.5
Actual Return on Plan Assets Still Held 0.1 0.0
Plan Participant Contributions 8.4 8.7
Defined Benefit Plan, Plan Assets, Benefits Paid 8.8 9.0
Fair Value of Plan Assets at End of Year $ 7.9 $ 8.2
XML 123 R101.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Measurement Assumptions (Details)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Pension Plan | UNITED STATES    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Benefit Obligation Discount Rate 5.80% 5.40%
Net Periodic Benefit Cost Discount Rate 5.40% 5.70%
Net Periodic Benefit Cost Expected Return on Plan Assets 7.25% 7.25%
Pension Plan | Foreign Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Benefit Obligation Discount Rate 5.50% 4.50%
Benefit Obligation Rate of Compensation Increase 2.50% 2.40%
Net Periodic Benefit Cost Discount Rate 4.50% 4.80%
Net Periodic Benefit Cost Expected Return on Plan Assets 6.50% 6.70%
Net Periodic Benefit Cost Rate of Compensation Increase 2.40% 2.50%
Other Postretirement Benefit Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans    
Benefit Obligation Discount Rate 5.80% 5.40%
Net Periodic Benefit Cost Discount Rate 5.40% 5.70%
Net Periodic Benefit Cost Expected Return on Plan Assets 5.75% 5.75%
XML 124 R102.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Net Periodic Benefit Cost (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan | UNITED STATES      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Service Cost $ 9.2 $ 9.2 $ 7.7
Interest Cost 82.9 87.9 67.2
Expected Return on Plan Assets (91.3) (92.0) (105.9)
Amortization of Net Actuarial Loss (Gain) 14.6 15.2 16.3
Amortization of Prior Service Cost (Credit) 0.1 0.0 0.0
Total Net Periodic Benefit Cost (Credit) 15.5 20.3 (14.7)
Pension Plan | Foreign Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Service Cost 0.0 0.0 0.0
Interest Cost 7.6 7.7 5.0
Expected Return on Plan Assets (8.4) (8.5) (10.9)
Amortization of Net Actuarial Loss (Gain) 2.9 2.5 0.4
Amortization of Prior Service Cost (Credit) 0.0 0.0 0.0
Total Net Periodic Benefit Cost (Credit) 2.1 1.7 (5.5)
Other Postretirement Benefit Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans      
Service Cost 0.0 0.0 0.0
Interest Cost 4.0 4.5 3.0
Expected Return on Plan Assets (0.4) (0.5) (0.5)
Amortization of Net Actuarial Loss (Gain) (1.1) (10.5) (1.0)
Amortization of Prior Service Cost (Credit) (0.2) (0.2) (0.2)
Total Net Periodic Benefit Cost (Credit) $ 2.3 $ (6.7) $ 1.3
XML 125 R103.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Expected Benefit Payments (Details)
$ in Millions
Dec. 31, 2024
USD ($)
Pension Plan | UNITED STATES  
Defined Benefit Plans and Other Postretirement Benefit Plans  
Benefit Payments in Year One $ 87.7
Benefit Payments in Year Two 91.9
Benefit Payments in Year Three 95.8
Benefit Payments in Year Four 99.2
Benefit Payments in Year Five 102.2
Benefit Payments in Five Fiscal Years Thereafter 545.1
Pension Plan | Foreign Plan  
Defined Benefit Plans and Other Postretirement Benefit Plans  
Benefit Payments in Year One 5.9
Benefit Payments in Year Two 6.1
Benefit Payments in Year Three 6.2
Benefit Payments in Year Four 6.4
Benefit Payments in Year Five 6.6
Benefit Payments in Five Fiscal Years Thereafter 35.3
Other Postretirement Benefit Plans  
Defined Benefit Plans and Other Postretirement Benefit Plans  
Benefit Payments in Year One 8.8
Prescription Drug Subsidy Receipts in Year One 0.0
Net OPEB Payments in Year One 8.8
Benefit Payments in Year Two 8.4
Prescription Drug Subsidy Receipts in Year Two 0.0
Net OPEB Payments in Year Two 8.4
Benefit Payments in Year Three 8.0
Prescription Drug Subsidy Receipts in Year Three 0.0
Net OPEB Payments in Year Three 8.0
Benefit Payments in Year Four 7.6
Prescription Drug Subsidy Receipts in Year Four 0.0
Net OPEB Payments in Year Four 7.6
Benefit Payments in Year Five 7.2
Prescription Drug Subsidy Receipts in Year Five 0.0
Net OPEB Payments in Year Five 7.2
Benefit Payments in Five Fiscal Years Thereafter 30.2
Prescription Drug Subsidy Receipts in Five Fiscal Years Thereafter 0.1
Net OPEB Payments in Five Fiscal Years Thereafter $ 30.1
XML 126 R104.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension and Other Postretirement Benefits Disclosure      
Health Care Cost Trend Rate Assumed for Next Fiscal Year 7.00% 6.75%  
Ultimate Health Care Cost Trend Rate 5.00%    
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate 2033    
Pension Plan | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Average Remaining Life Expectancy of Plan Participants 23 years    
Alternative Investments, Unfunded Commitments $ 15.2 $ 17.5  
Pension Plan | Foreign Plan      
Pension and Other Postretirement Benefits Disclosure      
Average Remaining Life Expectancy of Plan Participants 28 years    
Alternative Investments, Unfunded Commitments $ 7.1 9.9  
Other Postretirement Benefit Plans      
Pension and Other Postretirement Benefits Disclosure      
Average Remaining Life Expectancy of Plan Participants 12 years    
Investment Level 3 Transfers Into $ 0.0 0.0  
Investment Level 3 Transfers Out of $ 0.0 $ 0.0  
Interest Rate During Period 5.01% 4.46%  
Other Postretirement Benefit Plans | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Matching Contribution Percent of Employees' Gross Pay 5.00%    
Employer Discretionary Contribution Percentage of earnings 4.50%    
Cost Recognized $ 81.6 $ 74.3 $ 70.9
Other Postretirement Benefit Plans | Foreign Plan      
Pension and Other Postretirement Benefits Disclosure      
Defined Contribution Plan, Minimum Employee Contribution Eligible for Matching 1.00%    
Defined Contribution Plan, Maximum Employee Contribution Eligible for Matching 5.00%    
Cost Recognized $ 6.6 $ 5.7 $ 4.9
Equity Funds | Pension Plan | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 38.00%    
Fixed Maturity Securities | Pension Plan | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 30.00%    
All Other Asset Categories | Pension Plan | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 32.00%    
Diversified Growth Assets | Pension Plan | Foreign Plan      
Pension and Other Postretirement Benefits Disclosure      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage 58.00%    
Fixed Income and Index-linked Securities | Pension Plan | Foreign Plan      
Pension and Other Postretirement Benefits Disclosure      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage 42.00%    
Minimum | Pension Plan | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Private Equity Partnership Future Liquidation Term 5 years    
Minimum | Other Postretirement Benefit Plans | Foreign Plan      
Pension and Other Postretirement Benefits Disclosure      
Matching Contribution Percent of Employees' Gross Pay 8.00%    
Maximum | Pension Plan | UNITED STATES      
Pension and Other Postretirement Benefits Disclosure      
Private Equity Partnership Future Liquidation Term 8 years    
Maximum | Other Postretirement Benefit Plans | Foreign Plan      
Pension and Other Postretirement Benefits Disclosure      
Matching Contribution Percent of Employees' Gross Pay 12.00%    
XML 127 R105.htm IDEA: XBRL DOCUMENT v3.25.0.1
Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Numerator      
Net Income $ 1,779.1 $ 1,283.8 $ 1,407.2
Denominator      
Weighted Average Common Shares - Basic 187,497,700 196,659,700 200,647,200
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards 571,500 942,300 1,462,200
Weighted Average Common Shares - Assuming Dilution 188,069,200 197,602,000 202,109,400
Net Income Per Common Share      
Basic $ 9.49 $ 6.53 $ 7.01
Assuming Dilution $ 9.46 $ 6.50 $ 6.96
XML 128 R106.htm IDEA: XBRL DOCUMENT v3.25.0.1
Treasury Stock Transactions (Details) - USD ($)
shares in Millions, $ in Millions
 1 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended 14 Months Ended
Feb. 28, 2025
Dec. 31, 2024
Nov. 30, 2024
Oct. 31, 2024
Sep. 30, 2024
Jul. 31, 2024
Jun. 30, 2024
Apr. 30, 2024
Mar. 31, 2024
Jan. 31, 2024
Sep. 30, 2023
Jul. 31, 2023
Apr. 30, 2022
Feb. 28, 2022
Dec. 31, 2024
Jul. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2022
Feb. 18, 2025
Nov. 01, 2024
Oct. 02, 2024
Jul. 02, 2024
Apr. 02, 2024
Jan. 03, 2024
Jul. 05, 2023
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased                                 15.7 5.7 5.7                
Cost of Shares Repurchased [1]                                 $ 979.3 $ 252.0 $ 200.1                
Commission Paid on Stock Repurchases                                 0.1 0.1                
Share Repurchase Program, Excise Tax                                 $ 8.3 1.9                
November 2024 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased     3.8                                                
Accelerated Share Repurchases, Prepyament amount                                           $ 321.0          
October 2024 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased   0.3   1.9                                              
Accelerated Share Repurchases, Prepyament amount                                             $ 150.0        
July 2024 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased         0.6 2.2                                          
Accelerated Share Repurchases, Prepyament amount                                               $ 150.0      
April 2024 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased             0.7 1.7                                      
Accelerated Share Repurchases, Prepyament amount                                                 $ 125.0    
January 2024 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased                 0.5 1.6                                  
Accelerated Share Repurchases, Prepyament amount                                                   $ 100.0  
July 2023 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased                     0.2 0.8                              
Accelerated Share Repurchases, Prepyament amount                                                     $ 50.0
February 2022 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased                         0.4 1.3                          
Accelerated Share Repurchases, Prepyament amount                           $ 50.0                          
Repurchase Program Authorized in July 2024                                                      
Equity, Class of Treasury Stock                                                      
Share Repurchase Program, Expiration Date [2]                                 Mar. 31, 2025                    
Share Repurchase Program, Authorized, Amount [2]   $ 1,000.0                         $ 1,000.0   $ 1,000.0                    
Remaining repurchase Amount [2]   493.2                         493.2   $ 493.2                    
Cost of Shares Repurchased [2]                             506.8                        
Repurchase Program Authorized in October 2023                                                      
Equity, Class of Treasury Stock                                                      
Share Repurchase Program, Expiration Date [3]                                 Jul. 31, 2024                    
Share Repurchase Program, Authorized, Amount [3]   500.0                         500.0   $ 500.0                    
Remaining repurchase Amount [3]   0.0                         0.0   $ 0.0                    
Cost of Shares Repurchased [3]                               $ 464.2                      
Repurchase Program Authorized in December 2022                                                      
Equity, Class of Treasury Stock                                                      
Share Repurchase Program, Expiration Date [4]                                 Dec. 31, 2023                    
Share Repurchase Program, Authorized, Amount [4]   250.0                         250.0   $ 250.0                    
Remaining repurchase Amount [4]   0.0                         0.0   $ 0.0                    
Cost of Shares Repurchased [4]                                   $ 250.0                  
Repurchase Program Authorized in October 2021                                                      
Equity, Class of Treasury Stock                                                      
Share Repurchase Program, Expiration Date                                 Dec. 31, 2022                    
Share Repurchase Program, Authorized, Amount   250.0                         250.0   $ 250.0                    
Remaining repurchase Amount   $ 0.0                         $ 0.0   $ 0.0                    
Cost of Shares Repurchased                                       $ 250.0              
Subsequent Event | November 2024 Accelerated Share Repurchase                                                      
Equity, Class of Treasury Stock                                                      
Number of Treasury Shares Repurchased [5] 0.7                                                    
Subsequent Event | Repurchase Program Authorized in February 2025                                                      
Equity, Class of Treasury Stock                                                      
Share Repurchase Program, Authorized, Amount                                         $ 1,000.0            
[1] Includes $80.3 million related to shares which settled in February 2025 in connection with the November 2024 accelerated share repurchase agreement (ASR), a de minimis amount of commissions for the year ended December 31, 2024, and $0.1 million of commissions for the years ended December 31, 2023 and 2022. Also includes $8.3 million and $1.9 million of excise tax for the years ended December 31, 2024 and 2023, respectively. There were no excise taxes during the year ended December 31, 2022.
[2]
1Concurrent with the announcement of the February 2025 repurchase program, we also announced the termination of the July 2024 program as of March 31, 2025, and any unused amounts under that program will expire as of that date.
[3]
2Concurrent with the announcement of the July 2024 repurchase program, we also announced the termination of the October 2023 program as of July 31, 2024, and all unused amounts under that program expired as of that date.
[4]
3In February 2023, the December 2022 program was modified to increase the authorized repurchase amount from $200.0 million to $250.0 million.
[5] 1The final price adjustment settlement, along with the delivery of the remaining shares, occurred in February 2025, resulting in the delivery to us of 0.7 million additional shares. As a result of the final settlement occurring subsequent to December 31, 2024, we recorded a decrease to additional paid-in capital within stockholders' equity on our consolidated balance sheet for the value of the shares held back by the counterparty as of December 31, 2024, which was reclassified to treasury stock in the first quarter of 2025 in connection with the final settlement of the agreement
XML 129 R107.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stockholders' Equity and Earnings Per Common Share - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Stockholders Equity and Earnings Per Common Share Additional Information [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share 100,000 500,000 100,000
Treasury Stock, Retired, Cost Method, Amount   $ 3,642.5  
Authorized Shares of Preferred Stock 25,000,000.0    
Par Value Per Share of Preferred Stock $ 0.10    
Issued Shares of Preferred Stock 0    
Common Class A      
Stockholders Equity and Earnings Per Common Share Additional Information [Line Items]      
Treasury Stock, Shares, Retired   115,000,000.0  
XML 130 R108.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation - Valuation Assumptions on PSU Grants (Details) - Performance Share Units
 12 Months Ended
Dec. 31, 2021
Rate
Share-based Compensation Arrangement by Share-based Payment Award  
Expected Volatility Rate 23.00%
Expected Life 3 years
Risk Free Interest Rate 0.85%
XML 131 R109.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation - Activity for CIUs (Details) - Cash Incentive Units (CIUs)
shares in Thousands
 12 Months Ended
Dec. 31, 2024
shares
Share-based Compensation Arrangement by Share-based Payment Award, Liability Instruments, Nonvested, Number of Shares  
Shares Outstanding Beginning Balance 17,028
Shares Granted 16,187
Shares Vested (13,442)
Shares Forfeited (3,318)
Shares Outstanding Ending Balance 16,455
2024 CIUs  
Share-based Compensation Arrangement by Share-based Payment Award, Liability Instruments, Nonvested, Number of Shares  
Shares Granted 9,500
XML 132 R110.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation - Valuation Assumptions on CIU Grants (Details) - Cash Incentive Units (CIUs)
 12 Months Ended
Dec. 31, 2024
Rate
Dec. 31, 2023
Rate
Dec. 31, 2022
Rate
2024 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Expected Volatility Rate 30.00%    
Expected Life 2 years    
Risk Free Interest Rate 4.25%    
2023 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Expected Volatility Rate 30.00% 30.00%  
Expected Life 1 year 2 years  
Risk Free Interest Rate 4.19% 4.26%  
2022 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Expected Volatility Rate   27.00% 30.00%
Expected Life   1 year 2 years
Risk Free Interest Rate   4.75% 4.26%
2021 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Expected Volatility Rate     33.00%
Expected Life     1 year
Risk Free Interest Rate     4.60%
XML 133 R111.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation - Nonvested Stock Awards Classified in Equity (Details) - Restricted Stock Units (RSUs) - $ / shares
shares in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares      
Shares Outstanding Beginning Balance 1,213    
Shares Granted 825    
Shares Vested (906)    
Shares Forfeited (145)    
Shares Outstanding Ending Balance 987 1,213  
Weighted Average Grant Date Fair Value at Beginning of Period $ 35.51    
Weighted Average Grant Date Fair Value of Shares Granted 49.57 $ 45.56 $ 28.21
Weighted Average Grant Date Fair Value of Shares Vested 37.88    
Weighted Average Grant Date Fair Value of Shares Forfeited 40.71    
Weighted Average Grant Date Fair Value at End of Period $ 44.31 $ 35.51  
XML 134 R112.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation Expense (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense, Before Tax $ 47,800,000 $ 64,100,000 $ 52,700,000
Allocated Share-based Compensation Expense, Net of Tax 41,600,000 57,500,000 47,300,000
Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense, Before Tax 0 300,000 5,700,000
Cash Incentive Units (CIUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense, Before Tax 12,400,000 21,700,000 12,800,000
Restricted Stock Units and Cash-Settled Awards      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense, Before Tax 34,500,000 40,600,000 32,700,000
Stock Success Units (SSUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense, Before Tax 100,000 900,000 900,000
Other Awards      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense, Before Tax $ 800,000 $ 600,000 $ 600,000
XML 135 R113.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award      
Cash Received Under Share-based Payment Arrangements $ 6.0 $ 5.2 $ 4.2
Stock Incentive Plan 2017      
Share-based Compensation Arrangement by Share-based Payment Award      
Number of Shares Authorized 17,000,000.0    
Number of Shares for Each Full Value Award 1.76    
Total Duration of the Stock Incentive Plan 8 years    
Award Vesting Period 3 years    
Stock Incentive Plan 2022      
Share-based Compensation Arrangement by Share-based Payment Award      
Number of Shares Authorized 6,800,000    
Number of Shares for Each Full Value Award 1.00    
Total Duration of the Stock Incentive Plan 10 years    
Number of Shares Available for Grant 5,000,000.0    
Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award      
Award Vesting Period 3 years    
Shares Outstanding 0 0 0
Shares Granted   0 0
Shares Forfeited 0    
Fair Value of Awards Vested During the Period $ 5.8 $ 4.2
Compensation Cost Not yet Recognized $ 0.0    
Performance Share Units | 2020 PSU      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares Granted   245,000  
Shares Vested   (245,000)  
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares Outstanding 987,000 1,213,000  
Weighted Average Grant Date Fair Value of Shares Granted $ 49.57 $ 45.56 $ 28.21
Shares Granted 825,000    
Shares Forfeited (145,000)    
Fair Value of Awards Vested During the Period $ 34.8 $ 49.9 $ 28.0
Compensation Cost Not yet Recognized $ 26.5    
Period for Recognition of Compensation Cost Not Yet Recognized 10 months 24 days    
Shares Vested (906,000)    
Stock Success Units (SSUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares Outstanding 86,000 105,000  
Weighted Average Grant Date Fair Value of Shares Granted $ 18.78 $ 18.78  
Shares Granted 0 0 0
Shares Forfeited (19,000)    
Fair Value of Awards Vested During the Period $ 0.0 $ 1.9 $ 0.0
Compensation Cost Not yet Recognized $ 0.3    
Period for Recognition of Compensation Cost Not Yet Recognized 6 months    
Cash Settled RSUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Compensation Cost Not yet Recognized $ 0.0    
Shares Granted 0 0 0
Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent  
Liability based awards - payments 1.1 $ 0.6
Cash Incentive Units (CIUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Award Vesting Period 3 years    
Compensation Cost Not yet Recognized $ 1.1    
Period for Recognition of Compensation Cost Not Yet Recognized 1 year 8 months 12 days    
Shares Granted 16,187,000    
Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent $ 36.2 37.7  
Liability based awards - payments $ 13.9
Cash Incentive Units (CIUs) | 2023 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares Granted   9,000,000  
Cash Incentive Units (CIUs) | 2022 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares Granted     8,000,000
Cash Incentive Units (CIUs) | 2024 CIUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares Granted 9,500,000    
Minimum | Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award      
Percentage of Stock-based Awards Possible to be Earned 40.00%    
Minimum | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Award Vesting Period 1 year    
Minimum | Cash Settled RSUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Award Vesting Period 1 year    
Maximum | Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award      
Percentage of Stock-based Awards Possible to be Earned 180.00%    
Maximum | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Award Vesting Period 3 years    
Maximum | Cash Settled RSUs      
Share-based Compensation Arrangement by Share-based Payment Award      
Award Vesting Period 3 years    
Maximum | Cash Incentive Units (CIUs)      
Share-based Compensation Arrangement by Share-based Payment Award      
Percentage of Stock-based Awards Possible to be Earned 200.00%    
XML 136 R114.htm IDEA: XBRL DOCUMENT v3.25.0.1
Reinsurance - Premium Income Data (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Reinsurance Disclosures [Abstract]      
Direct Premium Income $ 10,732.1 $ 10,286.8 $ 9,893.6
Reinsurance Assumed 69.8 80.4 78.7
Reinsurance Ceded (304.5) (321.2) (355.8)
Premium Income 10,497.4 10,046.0 9,616.5
Policyholder Benefits and Claims Incurred, Direct 8,027.9 8,001.8 8,205.3
Policyholder Benefits and Claims Incurred, Assumed 152.5 138.7 135.1
Ceded Benefits and Change in Reserves for Future Benefits (700.2) (828.6) (798.3)
Policy Benefits 7,480.2 7,311.9 7,542.1
Liability for Future Policy Benefit, Remeasurement Gain (Loss), Direct (546.8) (49.2) (372.5)
Liability for Future Policy Benefit, Remeasurement Gain (Loss), Assumed 2.2 (0.1) 36.4
Liability for Future Policy Benefit, Remeasurement Gain (Loss), Ceded (17.7) (5.5) (211.4)
Liability for Future Policy Benefit, Remeasurement Gain (Loss) $ (562.3) $ (54.8) $ (547.5)
XML 137 R115.htm IDEA: XBRL DOCUMENT v3.25.0.1
Reinsurance - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Number of companies that make up majority of reinsurance recoverable 9    
Prepaid Reinsurance Premiums $ 508.0 $ 549.4  
Reinsurance Recoverables 8,296.4 9,108.4  
Closed Block Individual Disability Reinsurance Transaction      
Deposit Contracts, Assets 282.3 296.5  
Amortization of Prepaid Reinsurance Premium 41.4 44.1 $ 50.3
Prepaid Reinsurance Premiums 508.1 549.5  
Reinsurance Recoverables $ 4,698.4 $ 5,143.4  
AM Best A Rating or Better | Reinsurer Concentration Risk | Reinsurance Recoverable | Commonwealth Annuity and Life Insurance Company      
Percentage of Concentration Risk 56.00%    
AM Best A Rating or Better | Reinsurer Concentration Risk | Reinsurance Recoverable | Top 9 Reinsurers      
Percentage of Concentration Risk 39.00%    
AM Best, A- Rating | Reinsurer Concentration Risk | Reinsurance Recoverable | Other Reinsurers      
Percentage of Concentration Risk 4.00%    
AM Best, Below A- or Not Rated | Reinsurer Concentration Risk | Reinsurance Recoverable | Other Reinsurers      
Percentage of Concentration Risk 1.00%    
XML 138 R116.htm IDEA: XBRL DOCUMENT v3.25.0.1
Premium Income by Major Line of Business within Each Segment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information      
Premium Income $ 10,497.4 $ 10,046.0 $ 9,616.5
Accident, Sickness, and Disability      
Segment Reporting Information      
Premium Income 7,640.2 7,398.5 7,060.8
Life      
Segment Reporting Information      
Premium Income 2,857.2 2,647.5 2,555.7
Operating Segments      
Segment Reporting Information      
Premium Income 10,497.4 10,046.0 9,616.5
Operating Segments | Unum US      
Segment Reporting Information      
Premium Income 6,883.2 6,579.2 6,251.4
Operating Segments | Unum US | Group Long-term Disability      
Segment Reporting Information      
Premium Income 2,086.1 2,057.2 1,911.7
Operating Segments | Unum US | Group Short-term Disability      
Segment Reporting Information      
Premium Income 1,084.0 1,012.3 926.3
Operating Segments | Unum US | Group Life      
Segment Reporting Information      
Premium Income 1,784.7 1,679.0 1,669.1
Operating Segments | Unum US | Accidental Death & Dismemberment      
Segment Reporting Information      
Premium Income 186.1 175.5 173.7
Operating Segments | Unum US | Voluntary Benefits      
Segment Reporting Information      
Premium Income 879.2 850.1 833.7
Operating Segments | Unum US | Individual Disability      
Segment Reporting Information      
Premium Income 566.0 527.0 461.1
Operating Segments | Unum US | Dental and Vision      
Segment Reporting Information      
Premium Income 297.1 278.1 275.8
Operating Segments | Unum International      
Segment Reporting Information      
Premium Income 949.5 825.2 718.8
Operating Segments | Unum International | Group Long-term Disability      
Segment Reporting Information      
Premium Income 418.0 396.1 376.9
Operating Segments | Unum International | Group Life      
Segment Reporting Information      
Premium Income 211.3 169.3 138.2
Operating Segments | Unum International | Supplemental      
Segment Reporting Information      
Premium Income 165.6 141.5 114.0
Operating Segments | Unum International | Unum Poland      
Segment Reporting Information      
Premium Income 154.6 118.3 89.7
Operating Segments | Colonial Life      
Segment Reporting Information      
Premium Income 1,783.9 1,726.1 1,702.0
Operating Segments | Colonial Life | Accident, Sickness, and Disability      
Segment Reporting Information      
Premium Income 969.5 946.1 948.9
Operating Segments | Colonial Life | Life      
Segment Reporting Information      
Premium Income 458.0 426.5 401.1
Operating Segments | Colonial Life | Cancer and Critical Illness Colonial      
Segment Reporting Information      
Premium Income 356.4 353.5 352.0
Operating Segments | Closed Block      
Segment Reporting Information      
Premium Income 880.8 915.5 944.3
Operating Segments | Closed Block | Long-term Care      
Segment Reporting Information      
Premium Income 696.1 696.0 697.4
Operating Segments | Closed Block | Other Insurance Product Line      
Segment Reporting Information      
Premium Income $ 184.7 $ 219.5 $ 246.9
XML 139 R117.htm IDEA: XBRL DOCUMENT v3.25.0.1
Selected Operating Statement Data by Segment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information      
Premium Income $ 10,497.4 $ 10,046.0 $ 9,616.5
Net Investment Income 2,130.0 2,096.7 2,122.2
Other Income 294.5 279.2 261.1
Commissions 1,258.6 1,170.1 1,086.4
Interest and Debt Expense 201.1 194.8 188.5
Amortization of Deferred Acquisition Costs 521.0 481.4 421.1
Unum US      
Segment Reporting Information      
Deferral of Acquisition Costs (320.9) (314.7) (273.1)
Amortization of Deferred Acquisition Costs 292.5 267.6 240.9
Unum International      
Segment Reporting Information      
Deferral of Acquisition Costs (17.8) (14.6) (12.0)
Amortization of Deferred Acquisition Costs 9.5 8.4 8.2
Colonial Life      
Segment Reporting Information      
Deferral of Acquisition Costs (312.8) (302.9) (271.8)
Amortization of Deferred Acquisition Costs 219.0 205.4 172.0
Operating Segments      
Segment Reporting Information      
Premium Income 10,497.4 10,046.0 9,616.5
Net Investment Income 2,130.0 2,096.7 2,122.2
Other Income 294.5 279.2 261.1
Adjusted Operating Revenue 12,921.9 12,421.9 11,999.8
Adjusted Policy Benefits [1] 7,455.1 7,277.1 7,498.3
Adjusted Policy Benefits - Remeasurement Loss (Gain) (204.9) [2] (232.0) [2] (294.8) [3]
Commissions 1,258.6 1,170.1 1,086.4
Interest and Debt Expense 201.1 194.8 192.7
Deferral of Acquisition Costs (651.5) (632.2) (556.9)
Amortization of Deferred Acquisition Costs 521.0 481.4 421.1
Other Segment Items 2,332.2 [4] 2,230.5 [5] 2,045.9 [6]
Adjusted Benefits and Expenses 10,911.6 10,489.7 10,392.7
Adjusted Operating Income (Loss) 2,010.3 1,932.2 1,607.1
Operating Segments | Unum US      
Segment Reporting Information      
Premium Income 6,883.2 6,579.2 6,251.4
Net Investment Income 632.2 639.9 676.3
Other Income 235.9 220.5 196.3
Adjusted Operating Revenue 7,751.3 7,439.6 7,124.0
Adjusted Policy Benefits [1] 4,246.5 4,221.2 4,429.6
Adjusted Policy Benefits - Remeasurement Loss (Gain) (238.2) [2] (283.9) [2] (287.9) [3]
Commissions 729.3 664.4 614.4
Interest and Debt Expense 0.0 0.0 0.0
Deferral of Acquisition Costs (320.9) (314.7) (273.1)
Amortization of Deferred Acquisition Costs 292.5 267.6 240.9
Other Segment Items 1,602.9 [4] 1,529.5 [5] 1,427.5 [6]
Depreciation and Intangible Amortization 85.0 76.3 75.7
Adjusted Benefits and Expenses 6,312.1 6,084.1 6,151.4
Adjusted Operating Income (Loss) 1,439.2 1,355.5 972.6
Operating Segments | Unum International      
Segment Reporting Information      
Premium Income 949.5 825.2 718.8
Net Investment Income 128.8 137.2 170.1
Other Income 1.6 1.6 0.9
Adjusted Operating Revenue 1,079.9 964.0 889.8
Adjusted Policy Benefits [1] 693.6 581.4 521.6
Adjusted Policy Benefits - Remeasurement Loss (Gain) (44.4) [2] (19.5) [2] 35.6 [3]
Commissions 82.5 72.5 56.3
Interest and Debt Expense 0.0 0.0 0.0
Deferral of Acquisition Costs (17.8) (14.6) (12.0)
Amortization of Deferred Acquisition Costs 9.5 8.4 8.2
Other Segment Items 198.7 [4] 177.7 [5] 146.1 [6]
Depreciation and Intangible Amortization 17.9 14.6 14.4
Adjusted Benefits and Expenses 922.1 805.9 755.8
Adjusted Operating Income (Loss) 157.8 158.1 134.0
Operating Segments | Colonial Life      
Segment Reporting Information      
Premium Income 1,783.9 1,726.1 1,702.0
Net Investment Income 161.5 153.5 152.7
Other Income 4.0 1.2 1.1
Adjusted Operating Revenue 1,949.4 1,880.8 1,855.8
Adjusted Policy Benefits [1] 885.4 877.1 926.6
Adjusted Policy Benefits - Remeasurement Loss (Gain) (34.7) [2] 1.7 [2] (45.3) [3]
Commissions 378.4 359.4 340.0
Interest and Debt Expense 0.0 0.0 0.0
Deferral of Acquisition Costs (312.8) (302.9) (271.8)
Amortization of Deferred Acquisition Costs 219.0 205.4 172.0
Other Segment Items 347.4 [4] 340.0 [5] 321.4 [6]
Depreciation and Intangible Amortization 15.1 13.6 15.0
Adjusted Benefits and Expenses 1,482.7 1,480.7 1,442.9
Adjusted Operating Income (Loss) 466.7 400.1 412.9
Operating Segments | Closed Block      
Segment Reporting Information      
Premium Income 880.8 915.5 944.3
Net Investment Income 1,148.9 1,066.3 1,070.6
Other Income 51.7 52.6 58.0
Adjusted Operating Revenue 2,081.4 2,034.4 2,072.9
Adjusted Policy Benefits [1] 1,629.6 1,597.4 1,620.5
Adjusted Policy Benefits - Remeasurement Loss (Gain) 112.4 [2] 69.7 [2] 2.8 [3]
Commissions 68.4 73.8 75.7
Interest and Debt Expense 0.0 0.0 0.0
Deferral of Acquisition Costs 0.0 0.0 0.0
Amortization of Deferred Acquisition Costs 0.0 0.0 0.0
Other Segment Items 133.2 [4] 128.6 [5] 122.0 [6]
Depreciation and Intangible Amortization 5.4 5.2 4.7
Adjusted Benefits and Expenses 1,943.6 1,869.5 1,821.0
Adjusted Operating Income (Loss) 137.8 164.9 251.9
Operating Segments | Corporate and Other Segment      
Segment Reporting Information      
Premium Income 0.0 0.0 0.0
Net Investment Income 58.6 99.8 52.5
Other Income 1.3 3.3 4.8
Adjusted Operating Revenue 59.9 103.1 57.3
Adjusted Policy Benefits [1] 0.0 0.0 0.0
Adjusted Policy Benefits - Remeasurement Loss (Gain) 0.0 [2] 0.0 [2] 0.0 [3]
Commissions 0.0 0.0 0.0
Interest and Debt Expense 201.1 194.8 192.7
Deferral of Acquisition Costs 0.0 0.0 0.0
Amortization of Deferred Acquisition Costs 0.0 0.0 0.0
Other Segment Items 50.0 [4] 54.7 [5] 28.9 [6]
Depreciation and Intangible Amortization 0.1 0.6 0.6
Adjusted Benefits and Expenses 251.1 249.5 221.6
Adjusted Operating Income (Loss) $ (191.2) $ (146.4) $ (164.3)
[1]
1Excludes the impact of non-contemporaneous reinsurance in the Closed Block segment.
[2]
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter.
[3]
2Excludes the reserve assumption updates for each reportable segment, except for the Corporate segment, that occurred during the third quarter and the impact of non-contemporaneous reinsurance in the Closed Block segment.
[4]
3Excludes the amortization of the cost of reinsurance in the Closed Block segment and the loss on legal settlement in the Corporate segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2024 was $85.0 million, $17.9 million, $15.1 million, $5.4 million, and $0.1 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
[5]
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2023 was $76.3 million, $14.6 million, $13.6 million, $5.2 million and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
[6]
3Excludes the amortization of the cost of reinsurance in the Closed Block segment. For each reportable segment, other segment items includes compensation, other personnel expenses, taxes, licenses and fees, depreciation, intangible asset amortization and other expenses. Depreciation and intangible asset amortization during 2022 was $75.7 million, $14.4 million, $15.0 million, $4.7 million, and $0.6 million for our Unum US, Unum International, Colonial Life, Closed Block and Corporate segments, respectively.
XML 140 R118.htm IDEA: XBRL DOCUMENT v3.25.0.1
Assets by Segment (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information    
Total Assets $ 61,959.3 $ 63,255.2
Operating Segments    
Segment Reporting Information    
Total Assets 61,959.3 63,255.2
Operating Segments | Unum US    
Segment Reporting Information    
Total Assets 14,981.6 15,561.1
Operating Segments | Unum International    
Segment Reporting Information    
Total Assets 3,291.3 3,372.9
Operating Segments | Colonial Life    
Segment Reporting Information    
Total Assets 4,964.2 4,830.4
Operating Segments | Closed Block    
Segment Reporting Information    
Total Assets 33,376.0 35,272.8
Operating Segments | Corporate and Other Segment    
Segment Reporting Information    
Total Assets $ 5,346.2 $ 4,218.0
XML 141 R119.htm IDEA: XBRL DOCUMENT v3.25.0.1
Reconciliation of Total Revenue and Income Before Income Tax to Operating Revenue and Operating Income (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting, Revenue Reconciling Item      
Total Revenue $ 12,887.3 $ 12,385.9 $ 11,984.1
Net Investment Loss (34.6) (36.0) (15.7)
Income Before Income Tax 2,251.3 1,640.1 1,750.0
Closed Block Individual Disability Reinsurance Transaction      
Segment Reporting, Revenue Reconciling Item      
Amortization of the Cost of Reinsurance (41.4) (44.1) (50.3)
Operating Segments      
Segment Reporting, Revenue Reconciling Item      
Total Revenue 12,887.3 12,385.9 11,984.1
Net Investment Loss (34.6) (36.0) (15.7)
Adjusted Operating Revenue 12,921.9 12,421.9 11,999.8
Income Before Income Tax 2,251.3 1,640.1 1,750.0
Reserve Assumption Updates 357.4 (177.2) 243.3
Loss on Legal Settlement 15.3 0.0 0.0
Adjusted Operating Income 2,010.3 1,932.2 1,607.1
Operating Segments | Closed Block Individual Disability Reinsurance Transaction      
Segment Reporting, Revenue Reconciling Item      
Non-Contemporaneous Reinsurance $ (25.1) $ (34.8) $ (34.4)
XML 142 R120.htm IDEA: XBRL DOCUMENT v3.25.0.1
Segment Information Segments - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Integer
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Supplementary Insurance Information, by Segment      
Number of Operating Segments | Integer 3    
Goodwill $ 349.1 $ 349.9  
Compensation Expense      
Supplementary Insurance Information, by Segment      
Loss on Legal Settlement 4.9    
Other Expense      
Supplementary Insurance Information, by Segment      
Loss on Legal Settlement 10.4    
Operating Segments      
Supplementary Insurance Information, by Segment      
Loss on Legal Settlement 15.3 0.0 $ 0.0
Unum US      
Supplementary Insurance Information, by Segment      
Goodwill 280.0 280.0  
Unum International      
Supplementary Insurance Information, by Segment      
Goodwill 41.4 42.2  
Colonial Life      
Supplementary Insurance Information, by Segment      
Goodwill $ 27.7 $ 27.7  
XML 143 R121.htm IDEA: XBRL DOCUMENT v3.25.0.1
Leases, Cost (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Leases [Abstract]      
Operating Lease Cost $ 17.3 $ 16.4 $ 19.6
Sublease Income 1.7 1.5 1.1
Total Lease Cost 15.6 14.9 18.5
Cash Paid for Amounts Included in the Measurement of Lease Liabilities $ 20.7 $ 20.3 $ 23.1
Weighted-Average Remaining Lease Term 5 years 5 years 6 years
Weighted-Average Discount Rate 5.19% 4.85% 4.32%
XML 144 R122.htm IDEA: XBRL DOCUMENT v3.25.0.1
Lessee, Operating Lease, Liability, Payment, Due (Details)
$ in Millions
Dec. 31, 2024
USD ($)
Leases [Abstract]  
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months $ 17.4
Lessee, Operating Lease, Liability, Payments, Due Year Two 15.9
Lessee, Operating Lease, Liability, Payments, Due Year Three 13.6
Lessee, Operating Lease, Liability, Payments, Due Year Four 12.4
Lessee, Operating Lease, Liability, Payments, Due Year Five 11.1
Lessee, Operating Lease, Liability, Payments, Due after Year Five 11.1
Lessee, Operating Lease, Liability, Payments, Due 81.5
Lessee, Operating Lease, Liability, Undiscounted Excess Amount $ 12.1
Operating Lease, Liability - statement of financial position Other Liabilities
Operating Lease, Liability $ 69.4
XML 145 R123.htm IDEA: XBRL DOCUMENT v3.25.0.1
Leases - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Leases [Abstract]    
Operating Lease, Right-of-Use Asset $ 45.1 $ 35.8
Operating Lease, Right-of-Use-Asset - statement of financial position Other Assets Other Assets
XML 146 R124.htm IDEA: XBRL DOCUMENT v3.25.0.1
Statutory Financial Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Traditional U.S. Life Insurance Subsidiaries      
Statutory Accounting Practices      
Statutory Net Income (Loss) $ 1,322.4 $ 1,329.9 $ 965.4
Statutory Combined Net Gain (Loss) from Operations 1,337.0 1,351.5 965.4
Statutory Combined Capital and Surplus 3,909.7 3,751.3  
Captive Reinsurers      
Statutory Accounting Practices      
Statutory Net Income (Loss) 662.2 (318.3) (432.2)
Statutory Combined Net Gain (Loss) from Operations 660.3 (279.4) $ (428.6)
Statutory Combined Capital and Surplus $ 1,931.6 $ 1,534.9  
XML 147 R125.htm IDEA: XBRL DOCUMENT v3.25.0.1
Statutory Financial Information - Additional Details (Detail)
£ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
GBP (£)
Dec. 31, 2022
USD ($)
Dec. 31, 2024
GBP (£)
Dec. 31, 2023
GBP (£)
Statutory Accounting Practices            
Statutory Accounting Practices, Permitted Practice, Reserve Deficiency       $ 1,660.0    
Unum Life Insurance Company of America            
Statutory Accounting Practices            
Statutory Accounting Practices, Permitted Practice, Cumulative Amount   $ 1,604.0   1,191.0    
Fairwind Insurance Company            
Statutory Accounting Practices            
Statutory Accounting Practices, Permitted Practice, Amount $ 334.0 469.0        
Unum Limited            
Statutory Accounting Practices            
Statutory Net Income | £     £ 45.7      
Statutory Combined Capital and Surplus | £           £ 767.1
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments | £         £ 140.0  
Traditional U.S. Life Insurance Subsidiaries            
Statutory Accounting Practices            
Statutory Net Income 1,322.4 1,329.9   $ 965.4    
Statutory Combined Capital and Surplus 3,909.7 3,751.3        
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments 1,383.0          
Cash and Securities Segregated under Federal and Other Regulations $ 119.3 $ 119.1        
XML 148 R126.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule I - Summary of Investments, Other Than Investments in Related Parties (Details)
$ in Millions
Dec. 31, 2024
USD ($)
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments $ 48,032.6
Amount Shown on the Balance Sheet 45,706.3
Commercial Real Estate  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 2,240.6 [1]
Amount Shown on the Balance Sheet 2,224.5
United States Government and Government Agencies and Authorities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 544.6 [1]
Fair Value of Investments 530.5
Amount Shown on the Balance Sheet 530.5
States, Municipalities, and Political Subdivisions  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 3,795.6 [1]
Fair Value of Investments 3,291.4
Amount Shown on the Balance Sheet 3,291.4
Foreign Governments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 912.1 [1]
Fair Value of Investments 768.1
Amount Shown on the Balance Sheet 768.1
Public Utilities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 5,525.0 [1]
Fair Value of Investments 5,292.9
Amount Shown on the Balance Sheet 5,292.9
Mortgage/Asset-backed Securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 949.4 [1],[2]
Fair Value of Investments 917.2 [2]
Amount Shown on the Balance Sheet 917.2 [2]
All Other Corporate Bonds  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 26,535.2 [1]
Fair Value of Investments 24,822.2
Amount Shown on the Balance Sheet 24,822.2
Redeemable Preferred Stocks  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 8.0 [1]
Fair Value of Investments 7.6
Amount Shown on the Balance Sheet 7.6
Fixed Maturities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 38,269.9 [1]
Fair Value of Investments 35,629.9
Amount Shown on the Balance Sheet 35,629.9
Policy Loans  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 3,617.2
Amount Shown on the Balance Sheet 3,617.2
Derivatives  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 0.0 [3]
Amount Shown on the Balance Sheet 90.9 [3]
Perpetual Preferred Securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 20.5 [4]
Amount Shown on the Balance Sheet 24.5 [4]
Private Equity Funds  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 1,215.7 [4]
Amount Shown on the Balance Sheet 1,450.6 [4]
Miscellaneous Long-term Investments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 128.4
Amount Shown on the Balance Sheet 128.4
Short-term Investments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost or Amortized Cost of Investments 2,540.3
Amount Shown on the Balance Sheet $ 2,540.3
[1] The amortized cost for fixed maturity securities and mortgage loans represents original cost reduced by repayments, write-downs from declines in fair value, amortization of premiums, and/or accretion of discounts. The amortized cost for these investments does not include allowance for credit losses.
[2] Includes credit-tranched securities collateralized by loan obligations, auto loans, and other asset types.
[3] Derivatives are carried at fair value.
[4] The difference between amortized cost and carrying value for private equity partnerships and perpetual preferred and equity securities primarily results from changes in the partnership owner's equity and the security's market valuation since acquisition, respectively.
XML 149 R127.htm IDEA: XBRL DOCUMENT v3.25.0.1
Parent Company Balance Sheet (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Assets      
Fixed Maturity Securities - at fair value (amortized cost: $545.0; $656.2) $ 35,629.9 $ 36,833.9  
Other Long-term Investments 1,694.4 1,579.4  
Short-term Investments 2,540.3 1,610.7  
Deferred Income Tax 369.7 649.4  
Other Assets 1,635.8 1,661.7  
Total Assets 61,959.3 63,255.2  
Liabilities      
Short-term debt 274.6 0.0  
Long-term Debt 3,465.2 3,430.4  
Other Liabilities 2,650.1 2,283.4  
Liabilities 50,998.2 53,603.8  
Stockholders' Equity      
Common Stock, $0.10 par; authorized: 725,000,000 shares; issued: 195,460,723 and 194,588,625 shares 19.5 19.4  
Additional Paid-in Capital 1,489.6 1,547.8  
Accumulated Other Comprehensive Loss (2,523.7) (3,308.0)  
Retained Earnings 12,914.0 11,431.5  
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares (938.3) (39.3)  
Total Stockholders' Equity 10,961.1 9,651.4 $ 8,735.0
Total Liabilities and Stockholders' Equity 61,959.3 63,255.2  
Amortized Cost of Fixed Maturity Securities 38,269.9 38,410.6  
Parent Company      
Assets      
Fixed Maturity Securities - at fair value (amortized cost: $545.0; $656.2) 497.4 596.1  
Other Long-term Investments 32.7 27.0  
Short-term Investments 1,397.5 970.9  
Investments in Subsidiaries 12,982.0 11,663.6  
Deferred Income Tax 122.5 118.1  
Other Assets 620.0 593.6  
Total Assets 15,652.1 13,969.3  
Liabilities      
Short-term debt 274.6 0.0  
Long-term Debt 3,465.2 3,430.4  
Pension and Postretirement Benefits 341.9 350.2  
Other Liabilities 609.3 537.3  
Liabilities 4,691.0 4,317.9  
Stockholders' Equity      
Common Stock, $0.10 par; authorized: 725,000,000 shares; issued: 195,460,723 and 194,588,625 shares 19.5 19.4  
Additional Paid-in Capital 1,489.6 1,547.8  
Accumulated Other Comprehensive Loss (2,523.7) (3,308.0)  
Retained Earnings 12,914.0 11,431.5  
Treasury Stock - at cost: 16,871,752 and 1,216,528 shares (938.3) (39.3)  
Total Stockholders' Equity 10,961.1 9,651.4  
Total Liabilities and Stockholders' Equity 15,652.1 13,969.3  
Amortized Cost of Fixed Maturity Securities $ 545.0 $ 656.2  
XML 150 R128.htm IDEA: XBRL DOCUMENT v3.25.0.1
Parent Company Balance Sheet Captions (Detail) - USD ($)
$ / shares in Units, $ in Millions
Dec. 31, 2024
Dec. 31, 2023
Stockholders' Equity, Number of Shares, Par Value and Other Disclosure    
Common Stock, Par Value (in dollars per share) $ 0.10 $ 0.10
Common Stock, Shares Authorized 725,000,000 725,000,000
Common Stock, Shares Issued 195,460,723 194,588,625
Treasury Stock, Shares at Cost 16,871,752 1,216,528
Short-term debt $ 274.6 $ 0.0
XML 151 R129.htm IDEA: XBRL DOCUMENT v3.25.0.1
Parent Company Statement of Income (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Condensed Income Statements, Captions      
Other Income $ 294.5 $ 279.2 $ 261.1
Total Revenue 12,887.3 12,385.9 11,984.1
Cost Related to Early Retirement of Debt 0.0 0.0 4.2
Income Tax Expense (Benefit) 472.2 356.3 342.8
Net Income 1,779.1 1,283.8 1,407.2
Other Comprehensive Income, Net of Tax 784.3 140.3 1,716.3
Comprehensive Income 2,563.4 1,424.1 3,123.5
Parent Company      
Condensed Income Statements, Captions      
Other Income 100.5 90.3 81.8
Total Revenue 1,512.2 1,671.4 1,411.4
Interest and Debt Expense 201.1 194.8 188.5
Cost Related to Early Retirement of Debt 0.0 0.0 4.2
Other Expenses 70.8 54.2 35.6
Operating Expenses, Total 271.9 249.0 228.3
Income of Parent Company Before Income Tax 1,240.3 1,422.4 1,183.1
Income Tax Expense (Benefit) (33.7) (9.5) 14.7
Income of Parent Company 1,274.0 1,431.9 1,168.4
Equity in Undistributed Earnings (Loss) of Subsidiaries 505.1 (148.1) 238.8
Net Income 1,779.1 1,283.8 1,407.2
Other Comprehensive Income, Net of Tax 784.3 140.3 1,716.3
Comprehensive Income 2,563.4 1,424.1 3,123.5
Parent Company | Cash Dividend      
Condensed Income Statements, Captions      
Dividends from Subsidiaries 1,378.7 1,581.1 1,306.6
Parent Company | Non-Cash Dividend      
Condensed Income Statements, Captions      
Dividends from Subsidiaries $ 33.0 $ 0.0 $ 23.0
XML 152 R130.htm IDEA: XBRL DOCUMENT v3.25.0.1
Parent Company Cash Flow Statement (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Cash Flows from Operating Activities      
Cash Provided by Operating Activities $ 1,513.2 $ 1,202.8 $ 1,418.7
Cash Flows from Investing Activities      
Proceeds from Maturities of Fixed Maturity Securities 1,483.0 1,578.1 1,532.5
Proceeds from Sales and Maturities of Other Investments 332.1 360.0 445.9
Purchase of Fixed Maturity Securities (2,001.7) (2,991.4) (2,835.3)
Purchase of Other Investments (319.1) (361.2) (482.9)
Net Purchases of Short-term Investments (842.1) (141.0) (22.6)
Net Purchases of Property and Equipment (125.7) (134.8) (102.2)
Net Cash Used by Investing Activities (344.4) (725.9) (955.9)
Cash Flows from Financing Activities      
Short-term Debt Repayment 0.0 (2.0) 0.0
Issuance of Long-term Debt 391.6 0.0 349.2
Long-term Debt Repayment (350.0) 0.0 (364.0)
Cost Related to Early Retirement of Debt 0.0 0.0 3.6
Issuance of Common Stock 6.0 5.2 4.0
Repurchase of Common Stock (972.9) (250.1) (200.1)
Dividends Paid to Stockholders (296.5) (277.1) (254.2)
Other, Net (7.4) (1.1) (2.9)
Net Cash Used by Financing Activities (1,152.0) (450.1) (418.6)
Net Increase (Decrease) in Cash and Bank Deposits 16.8 26.8 44.2
Parent Company      
Cash Flows from Operating Activities      
Cash Provided by Operating Activities 1,358.2 1,548.0 1,250.2
Cash Flows from Investing Activities      
Proceeds from Maturities of Fixed Maturity Securities 378.0 97.1 192.1
Proceeds from Sales and Maturities of Other Investments 25.1 23.9 7.4
Purchase of Fixed Maturity Securities (3.0) (44.5) (102.7)
Purchase of Other Investments (16.1) (23.4) (32.0)
Net Purchases of Short-term Investments (375.4) (104.4) (209.6)
Cash Distributions to Subsidiaries (40.2) (854.5) (540.2)
Net Purchases of Property and Equipment (91.1) (113.1) (94.0)
Net Cash Used by Investing Activities (122.7) (1,018.9) (779.0)
Cash Flows from Financing Activities      
Short-term Debt Repayment 0.0 (2.0) 0.0
Issuance of Long-term Debt 391.6 0.0 349.2
Long-term Debt Repayment (350.0) 0.0 (364.0)
Cost Related to Early Retirement of Debt 0.0 0.0 3.6
Issuance of Common Stock 6.0 5.2 4.0
Repurchase of Common Stock (972.9) (250.1) (200.1)
Dividends Paid to Stockholders (296.5) (277.1) (254.2)
Other, Net (9.9) 0.0 0.7
Net Cash Used by Financing Activities (1,231.7) (524.0) (468.0)
Net Increase (Decrease) in Cash and Bank Deposits $ 3.8 $ 5.1 $ 3.2
XML 153 R131.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule III Supplementary Insurance Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Supplementary Insurance Information, by Segment      
Deferred Acquisition Costs $ 2,842.8 $ 2,714.5  
Reserves for Future Policy Contract Benefits 36,806.4 40,009.4  
Policyholder Account Balances 5,633.7 5,667.7  
Unearned Premiums 384.0 380.2  
Premium Income 10,497.4 10,046.0 $ 9,616.5
Net Investment Income [1] 2,130.0 2,096.7 2,122.2
Benefits and Change in Reserves for Future Benefits [2] 6,917.9 7,257.1 6,994.6
Amortization of Deferred Acquisition Costs 521.0 481.4 421.1
All Other Expenses [3] 3,197.1 3,007.3 2,818.4
Unum US      
Supplementary Insurance Information, by Segment      
Deferred Acquisition Costs 1,260.6 1,232.2  
Reserves for Future Policy Contract Benefits 8,669.7 9,419.1  
Policyholder Account Balances 675.7 678.1  
Unearned Premiums 51.7 54.6  
Premium Income 6,883.2 6,579.2 6,251.4
Net Investment Income [1] 632.2 639.9 676.3
Benefits and Change in Reserves for Future Benefits [2] 3,864.7 3,808.5 3,970.9
Amortization of Deferred Acquisition Costs 292.5 267.6 240.9
All Other Expenses [3] 2,011.3 1,879.2 1,768.8
Premiums Written [4] 4,834.0 4,634.3 4,335.7
Unum International      
Supplementary Insurance Information, by Segment      
Deferred Acquisition Costs 53.0 46.9  
Reserves for Future Policy Contract Benefits 2,163.0 2,305.3  
Policyholder Account Balances 0.0 0.0  
Unearned Premiums 165.5 151.4  
Premium Income 949.5 825.2 718.8
Net Investment Income [1] 128.8 137.2 170.1
Benefits and Change in Reserves for Future Benefits [2] 656.7 579.8 549.6
Amortization of Deferred Acquisition Costs 9.5 8.4 8.2
All Other Expenses [3] 263.4 235.6 190.4
Premiums Written [4] 581.6 544.4 504.1
Colonial Life      
Supplementary Insurance Information, by Segment      
Deferred Acquisition Costs 1,529.2 1,435.4  
Reserves for Future Policy Contract Benefits 1,904.2 1,997.8  
Policyholder Account Balances 862.5 869.8  
Unearned Premiums 45.4 44.5  
Premium Income 1,783.9 1,726.1 1,702.0
Net Investment Income [1] 161.5 153.5 152.7
Benefits and Change in Reserves for Future Benefits [2] 804.7 798.1 826.1
Amortization of Deferred Acquisition Costs 219.0 205.4 172.0
All Other Expenses [3] 413.0 396.5 389.6
Premiums Written [4] 1,247.4 1,221.8 1,221.8
Closed Block      
Supplementary Insurance Information, by Segment      
Deferred Acquisition Costs 0.0 0.0  
Reserves for Future Policy Contract Benefits 24,069.5 26,287.2  
Policyholder Account Balances 4,095.5 4,119.8  
Unearned Premiums 121.4 129.7  
Premium Income 880.8 915.5 944.3
Net Investment Income [1] 1,148.9 1,066.3 1,070.6
Benefits and Change in Reserves for Future Benefits [2] 1,591.8 2,070.7 1,648.0
Amortization of Deferred Acquisition Costs 0.0 0.0 0.0
All Other Expenses [3] 243.0 246.5 248.0
Premiums Written [4] 868.1 904.2 936.8
Corporate and Other Segment      
Supplementary Insurance Information, by Segment      
Premium Income 0.0 0.0 0.0
Net Investment Income [1] 58.6 99.8 52.5
Benefits and Change in Reserves for Future Benefits 0.0 0.0 0.0
Amortization of Deferred Acquisition Costs 0.0 0.0 0.0
All Other Expenses [3] 266.4 249.5 221.6
Premiums Written [4] 0.0 0.0 0.0
Closed Block Individual Disability Reinsurance Transaction      
Supplementary Insurance Information, by Segment      
Amortization of Prepaid Reinsurance Premium 41.4 44.1 50.3
Operating Segments | Closed Block Individual Disability Reinsurance Transaction      
Supplementary Insurance Information, by Segment      
Non-Contemporaneous Reinsurance $ 25.1 $ 34.8 $ 34.4
[1] Net investment income is allocated based upon segmentation. Each segment has its own specifically identified assets and receives the investment income generated by those assets.
[2] Included in policy benefits including remeasurement loss or gain were the following:
•In 2024, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US, Colonial Life and Closed Block segments of $143.6 million, $46.0 million, $175.3 million, respectively and a net increase in policy benefits including remeasurement gain or loss in the Unum International segment of $7.5 million.
•In 2023, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US and Colonial Life segments of $128.8 million and $80.7 million respectively and a net increase in policy benefits including remeasurement gain or loss in the Unum International and Closed Block segments of $17.9 million, and $368.8 million, respectively.
•In 2022, reserve assumption updates resulting in a net decrease in policy benefits including remeasurement gain or loss in the Unum US, Unum International, Colonial Life, and Closed Block segments of $170.8 million, $7.6 million, and $55.2 million, and $9.7 million respectively.
•In 2024, 2023, and 2022 the impact of non-contemporaneous reinsurance of $25.1 million, $34.8 million, and $34.4 million respectively, in the Closed Block segment.
[3] Includes commissions, interest and debt expense, deferral of acquisition costs, compensation expense, and other expenses. Where not directly attributable to a segment, expenses are generally allocated based on activity levels, time information, and usage statistics. Also included in all other expenses were the following:
•In 2024, 2023 and 2022 the amortization of the cost of reinsurance of $41.4 million, $44.1 million, and $50.3 million respectively, in the Closed Block segment.
•In 2024, we incurred a loss on legal settlement of $15.3 million for the settlement of an employment-related matter, in the Corporate segment.
[4] Excludes life insurance.
XML 154 R132.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule IV Reinsurance (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Reinsurance Premiums for Insurance Companies, by Product Segment      
Direct Premiums, Life Insurance in Force $ 1,162,098.7 $ 1,079,042.5 $ 1,057,312.2
Ceded Premiums, Life Insurance in Force 24,373.3 21,210.7 35,773.9
Assumed Premiums, Life Insurance in Force 1,009.8 921.6 931.9
Premiums, Net, Life Insurance in Force $ 1,138,735.2 $ 1,058,753.4 $ 1,022,470.2
Life Insurance in Force Premiums, Percentage Assumed to Net 0.10% 0.10% 0.10%
Gross Amount $ 10,732.1 $ 10,286.8 $ 9,893.6
Reinsurance Ceded 304.5 321.2 355.8
Assumed Premiums Earned 69.8 80.4 78.7
Net Amount $ 10,497.4 $ 10,046.0 $ 9,616.5
Percentage of Amount Assumed to Net 0.70% 0.80% 0.80%
Life Insurance      
Reinsurance Premiums for Insurance Companies, by Product Segment      
Gross Amount $ 3,011.1 $ 2,799.0 $ 2,704.3
Reinsurance Ceded 159.0 157.5 155.1
Assumed Premiums Earned 5.1 6.0 6.5
Net Amount $ 2,857.2 $ 2,647.5 $ 2,555.7
Percentage of Amount Assumed to Net 0.20% 0.20% 0.30%
Accident, Health, and Other Insurance      
Reinsurance Premiums for Insurance Companies, by Product Segment      
Gross Amount $ 7,721.0 $ 7,487.8 $ 7,189.3
Reinsurance Ceded 145.5 163.7 200.7
Assumed Premiums Earned 64.7 74.4 72.2
Net Amount $ 7,640.2 $ 7,398.5 $ 7,060.8
Percentage of Amount Assumed to Net 0.80% 1.00% 1.00%
XML 155 R133.htm IDEA: XBRL DOCUMENT v3.25.0.1
Schedule V Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Allowance for expected credit losses (deducted from accounts and premiums receivable)      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 29.5 $ 32.5 $ 34.2
Additions Charged to Costs and Expenses 8.0 11.3 10.8
Deductions [1] 10.7 14.3 12.5
Balance at End of Year 26.8 29.5 32.5
Allowance for expected credit losses (deducted from reinsurance recoverable)      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 1.7 1.7 2.3
Additions Charged to Costs and Expenses 0.3 0.1 0.0
Deductions [1] 0.5 0.1 0.6
Balance at End of Year $ 1.5 $ 1.7 $ 1.7
[1] Deductions include amounts deemed to reduce exposure of expected losses on premium and accounts receivables and reinsurance recoverable, amounts deemed uncollectible, and amounts related to fluctuations in the foreign currency exchange rate.
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