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Significant Accounting Policies

12 Months Ended

Dec. 31, 2023

NOTE 1 Significant Accounting Policies

Alerus Financial Corporation is a financial holding company organized under the laws of Delaware. Alerus Financial Corporation and its subsidiaries, or the Company, is a diversified financial services company headquartered in Grand Forks, North Dakota. Through its subsidiary, Alerus Financial, National Association, or the Bank, the Company provides innovative and comprehensive financial solutions to businesses and consumers through four distinct business lines – banking, retirement and benefit services, wealth management, and mortgage.

The Bank operates under a national charter and provides full banking services. As a national bank, the Bank is subject to regulation by the Office of the Comptroller of Currency and the Federal Deposit Insurance Corporation.

Principles of Consolidation

The consolidated financial statements include the accounts of the Company and its subsidiaries in which the Company has a controlling interest. Significant intercompany balances and transactions have been eliminated in consolidation.

In the normal course of business, the Company may enter into a transaction with a variable interest entity, or VIE. VIEs are legal entities whose investors lack the ability to make decisions about the entity’s activities, or whose equity investors do not have the right to receive the residual returns of the entity. The applicable accounting guidance requires the Company to perform ongoing quantitative and qualitative analysis to determine whether it must consolidate any VIE. The Company does not have any ownership interest in or exert any control over any VIE, and thus no VIEs are included in the consolidated financial statements.

Reclassifications

Certain reclassifications have been made to prior year amounts, without impact to net income or total stockholders’ equity, to conform to the current year’s presentation.

Use of Estimates

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America, or GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the fair value of assets acquired and liabilities assumed from an acquisition and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.

Material estimates that are particularly susceptible to significant change in the near term include the valuation of investment securities, determination of the allowance for credit losses, valuation of reporting units for the purpose of testing goodwill and other intangible assets for impairment, valuation of deferred tax assets, and fair values of financial instruments.

Emerging Growth Company

The Company qualifies as an “emerging growth company” under the Jumpstart Our Business Startups Act of 2012, or the JOBS Act, and may take advantage of certain exemptions from various reporting requirements that are applicable to public companies that are not emerging growth companies, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, or the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved. In addition, even if the Company complies with the greater obligations of public companies that are not emerging growth companies, the Company may

avail itself of the reduced requirements applicable to emerging growth companies from time to time in the future, so long as the Company is an emerging growth company. The Company will continue to be an emerging growth company until the earliest to occur of: (1) the end of the fiscal year following the fifth anniversary of the date of the first sale of common equity securities under the Company’s Registration Statement on Form S-1, which was declared effective by the U.S. Securities and Exchange Commission, or SEC, on September 12, 2019; (2) the last day of the fiscal year in which the Company has $1.235 billion or more in annual revenues; (3) the date on which the Company is deemed to be a “large accelerated filer” under the Securities Exchange Act of 1934, as amended, or the Exchange Act; or (4) the date on which the Company has, during the previous three-year period, issued publicly or privately, more than $1.0 billion in non-convertible debt securities. Management cannot predict if investors will find the Company’s common stock less attractive because it will rely on the exemptions available to emerging growth companies. If some investors find the Company’s common stock less attractive as a result, there may be a less active trading market for its common stock and the Company’s stock price may be more volatile. The last year the Company qualifies as an emerging growth company is 2024.

Section 107 of the JOBS Act provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act of 1933 for complying with new or revised accounting standards. As an emerging growth company, the Company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. The Company elected to take advantage of the benefits of this extended transition period.

Concentrations of Credit Risk

Substantially all of the Company’s lending activities are with clients located within North Dakota, Minnesota, and Arizona. At December 31, 2023 and 2022 respectively, 21.7% and 23.9% of the Company’s loan portfolio consisted of commercial and industrial loans that were not secured by real estate. The Company does not have any significant loan concentrations in any one industry or with any one client. Note 6 (Loans and Allowance for credit losses) discusses the Company’s loan portfolio.

The Company invests in a variety of investment securities and does not have any significant concentrations in any one industry or to any one issuer. Note 5 (Investment Securities) discusses the Company’s investment securities portfolio.

Cash and Cash Equivalents

For purposes of the consolidated statements of cash flows, cash and due from banks includes cash and cash equivalents, balances due from banks, and federal funds sold, all of which have an original maturity within 90 days. Cash flows from loans, FHLB stock, deposits, and short-term borrowings are reported net.

Interest-bearing deposits in banks are carried at cost.

Investment Securities

Debt securities are classified as available for sale, or AFS, and are carried at estimated fair value with unrealized gains and losses reported in other comprehensive income (loss). Realized gains (losses) on AFS debt securities are included in net gains (losses) on investment securities in other comprehensive income. Gains (losses) on sales of investment securities are determined using the specific identification method on the trade date. The amortization of premiums and accretion of discounts are recognized in interest income using methods approximating the interest method over the period to maturity.

For AFS debt securities in an unrealized loss position, the Company evaluates the securities to determine whether the decline in fair value below the amortized cost basis, or impairment, is due to credit-related factors or noncredit-related factors. Any impairment that is not credit related is recognized in other comprehensive income (loss), net of applicable taxes. Credit-related impairment is recognized as an allowance for credit losses, or ACL, related to AFS debt securities on the balance sheet, limited to the amount by which the amortized cost basis exceeds the fair value, with

a corresponding adjustment to earnings as an expense (credit) within the provision for credit losses on the consolidated statements of income. Both the ACL and the adjustment to net income may be reversed if conditions change. However, if the Company intends to sell an impaired available-for-sale investment security or is required to sell such a security before recovering its amortized cost basis, the entire impairment amount must be recognized in earnings with a corresponding adjustment to the security’s amortized cost basis. Because the security’s amortized cost basis is adjusted to fair value, there is no ACL in this situation. Accrued interest receivable is excluded from the estimate of credit losses.

In evaluating AFS debt securities in unrealized loss positions for impairment and the criteria regarding its intent or requirement to sell such securities, the Company considers the extent to which fair value is less than amortized cost, whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuers’ financial condition, macroeconomic trends of the industry specific to the security, and any other adverse conditions specifically related to the security, among other factors.

As of December 31, 2023 and 2022, there was no ACL carried on the Company’s AFS debt securities nor were there any permanent write-offs for the years ended December 31, 2023, 2022 and 2021. Refer to Note 5 (Investment Securities) for further discussion.

Certain debt securities that the Company has an intent to hold to maturity are classified as held-to-maturity, or HTM, and recorded at amortized cost. Interest earned on HTM debt securities is included in interest income. Amortization or accretion of premiums and discounts is also recognized in interest income using the effective interest method over the contractual life of the security and is adjusted to reflect actual prepayments. Transfers of debt securities from AFS to HTM are made at fair value at the date of transfer. Unrealized holding gains and losses at the date of transfer are included in other comprehensive income and in the carrying value of HTM security and are amortized over the remaining life of the security.

Management measures expected credit losses on HTM debt securities on a collective basis by major security type. The Company evaluates HTM debt securities by credit rating and an external study, updated quarterly, that includes historical information such as probability of default and loss going back several years. Accrued interest receivable on HTM debt securities is excluded from the estimate of credit losses.

A change in the ACL related to HTM debt securities is recorded as an expense (credit) within the provision for credit losses on the consolidated statements of income.

As of December 31, 2023, there was $213 thousand of ACL carried on the Company’s HTM debt securities. As of December 31, 2022, there was no allowance carried on the Company’s HTM debt securities. For the years ended December 31, 2023, 2022 and 2021, there were no permanent write-offs. Refer to Note 5 (Investment Securities) for further discussion.

Nonmarketable Equity Securities

Nonmarketable equity securities include the Bank’s required investments in the stock of the Federal Home Loan Bank of Des Moines, or the FHLB and the Federal Reserve Bank, or the FRB. The Bank is a member of the FHLB as well as its regional FRB. Members are required to own a certain amount of stock based of the level of borrowing and other factors, and may invest in additional amounts. FHLB stock and FRB stock are carried at cost, classified as other assets, and periodically evaluated for impairment based on ultimate recovery of par value. Both cash and stock dividends are reported as income.

Loans Held for Sale

Loans originated and intended for sale in the secondary market are carried at the lower of cost or estimated fair value in the aggregate. Net unrealized losses are recognized through a valuation allowance by charges to income. Gains (losses) on loan sales are recorded in mortgage banking revenue on the consolidated statements of income.

Loans

Loans are stated at the amount of unpaid principal, reduced by an allowance for credit losses. Loans that management has the intent and ability to hold for the foreseeable future, until maturity or pay-off, generally are reported at their outstanding unpaid principal balances adjusted for charge-offs, and the allowance for credit losses. Loan fees received that are associated with originating or acquiring certain loans are deferred, net of costs, and amortized over the life of the loan as a yield adjustment to interest income.

The accrual of interest on loans is discontinued at the time the loan is 90 days past due unless the credit is well-secured and in process of collection. Consumer loans are typically charged-off no later than 120 days past due. Past due status is based on contractual terms of the loan. In all cases, loans are placed on nonaccrual or charged-off at an earlier date if collection of principal or interest in considered doubtful.

All interest accrued but not collected for loans that are placed on nonaccrual or charged-off is reversed against interest income. The interest on these loans is accounted for on the cash-basis or cost-recovery method until qualifying for return to accrual. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current and future payments are reasonably assured.

ACL on Loans

Upon adoption of ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), as amended, effective January 1, 2023, the Company began using a modified-prospective approach. Upon adoption, the Company recorded a cumulative-effective adjustment of $4.5 million reducing retained earnings, with a corresponding adjustment of $172 thousand increasing the ACL on HTM debt securities, $3.9 million increasing the ACL on loans, and $1.9 million increasing other liabilities for the ACL on off-balance sheet credit exposures.

Under the current expected credit loss, or CECL, accounting standard the ACL is a valuation estimated at each balance sheet date and deducted from the amortized cost basis of loans held for investment to present the net amount expected to be collected.

The Company estimates the ACL based on the underlying assets’ amortized cost basis, which is the amount at which the financing receivable is originated or acquired, adjusted for collection of cash and charge-offs, as well as applicable accretion or amortization of premium, discount and net deferred fees or costs. In the event that collection of principal becomes uncertain, the Company has policies in place to reverse accrued interest in a timely manner. Therefore, the Company has made the policy election to exclude accrued interest from the measurement of ACL.

The ACL on loans is increased by charges to provision for credit losses and reduced by charge-offs, net of recoveries. Management evaluates the appropriateness of the ACL on loans quarterly. This evaluation is inherently subjective as it requires material estimates that may be susceptible to significant change from period to period. The ACL on loans is presented on the consolidated statements of condition.

Loans past due 30 days or more are considered delinquent. In general, secured loans that are delinquent for 90 consecutive days are placed on non-accrual status and may be subject to individual loss assessment in accordance with established internal policy. In general, unsecured loans that are delinquent for 90 consecutive days have a provision taken for the full amount of the loan.

In cases where a borrower experiences financial difficulty, the Company may make certain concessions for which the terms of the loan are modified. Loans experiencing financial difficulty can include modifications for an interest rate reduction below current market rates, a forgiveness of principal balance, an extension of the loan term, an-other than significant payment delay, or some combination of similar types of modifications. During the years ended December 31, 2023 and 2022, the Company did not provide any modifications to loans under these circumstances that were experiencing financial difficulty.

The ACL on loans reduces the loan portfolio to the net amount expected to be collected, and represents the expected losses over the life of all loans at the reporting date. The allowance incorporates forward-looking information and applies a reversion methodology beyond the reasonable and supportable forecast.

The ACL on loans represents the Company's estimated risk of loss within its loan portfolio as of the reporting date. To appropriately measure expected credit losses, management disaggregates the loan portfolio into pools of similar risk characteristics (i.e. “segments”). The Company utilizes a discounted cash flow approach to calculate the expected loss for each segment. Within the discounted cash flow model, a PD and LGD assumption is applied to calculate the expected loss for each segment. PD is the probability the asset will default within a given timeframe and LGD is the percentage of assets not expected to be collected due to default. The Company's PD and LGD assumptions is derived using a combination of external data and internal historical default and loss experience.

As of December 31, 2023, the primary macroeconomic drivers used within the discounted cash flow model included forecasts of National Unemployment, changes in National GDP, and changes in the National Housing Price Index. These macroeconomic drivers may change from time to time as a result of management’s assessment of continued suitability of each factor.

To determine its reasonable and supportable forecast, management may leverage macroeconomic forecasts obtained from various reputable sources, which may include, but is not limited to, the Federal Open Market Committee forecast and other publicly available forecasts from well recognized, leading economists or firms. External baseline forecasts are supplemented an assessment of the likelihood of standard alternative scenarios occurring over the forecast period. The Company’s reasonable and supportable forecast period generally ranges from one to two years, depending on the facts and circumstances of the current state of the economy, portfolio segment and management’s judgement of what can be reasonably supported. The model reversion period generally ranges from one to two years, and it also depends on the current state of the economy and management’s judgments of such. Management monitors and assesses the forecast and reversion period at least annually. The Company used a one-year forecast and reversion period to calculate the ACL on loans as of December 31, 2023.

The ACL on loans is calculated over a loan’s contractual life. For term loans, the contractual life is calculated based on the maturity date. For revolving loans, the contractual life is based on either the estimated maturity date or a default date. For revolving loans with no stated maturity date, the contractual life is calculated based on the annual attrition rate for the pool. The contractual term does not include expected extension, renewals or modifications.

The Company's loan portfolio is segmented into 11 homogenous pools as follows based on the various risk profiles of the Company's loans:

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Commercial & Industrial

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CRE – Construction, Land & Development

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CRE – Multifamily

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CRE – Non-Owner Occupied

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CRE – Owner Occupied

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Agricultural

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Residential – 1st Lien

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Residential – Construction

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Residential – HELOC

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Residential – Jr Lien

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Consumer

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Paycheck Protection Program

In calculating the ACL on loans, the contractual life of a loan must be adjusted for prepayments to arrive at expected cash flows. The Company models term loans using an annualized prepayment. When the Company has a

specific expectation of differing payment behavior for a given loan, the loan may be evaluated individually. For revolving loans that do not have a principal payment schedule, a curtailment rate is factored into the cash flow.

The ACL on loans evaluation may also consider various qualitative factors, such as: actual or expected changes in economic trends and conditions, changes in the value of underlying collateral for loans, changes to lending policies, underwriting standards and/or management personnel performing such functions, delinquency and other credit quality trends, credit risk concentrations, if any, changes to the nature of the Company's business impacting the loan portfolio, and other external factors, that may include, but are not limited to, results of internal loan reviews, examinations by bank regulatory agencies, or other such events such as a natural disaster.

Certain loans are individually evaluated for estimated credit losses, including those that are classified as substandard or doubtful and are on non-accrual or that have other unique characteristics differing from the segment. Specific reserves are established when appropriate for such loans based on the present value of expected future cash flows of the loan or the estimated realizable value of the collateral, if any.

Management may also adjust its assumptions to account for differences between expected and actual losses from period-to-period. The variability of management’s assumptions could alter the ACL on loans materially and impact future results of operations and financial condition. The loss estimation models and methods used to determine the allowance for credit losses are continually refined and enhanced.

Off Balance Sheet Credit Related Financial Instruments

In the ordinary course of business, the Company enters into commitments to extend credit, including commitments under credit arrangements, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded when they are funded.

ACL on Off Balance Sheet Credit Exposures

The ACL on off balance sheet credit exposures, excluding those that are unconditionally cancellable by the Company, estimates the expected losses on the unfunded commitments and standby letters of credit at each reporting date. To appropriately measure expected credit losses, management disaggregates the loan portfolio into similar risk characteristics, identical to those determined for the loan portfolio. An estimated funding rate is then applied to the qualifying unfunded loan commitments and standby letters of credit using the Company’s own historical experience to estimate the expected funded for each loan segment as of the reporting date. Once the expected funded amount for each loan segment is determined, the loss rate, which is the calculated expected loan loss as a percent of the amortized cost basis for each loan segment, is applied to calculate the ACL on off-balance sheet credit exposures as of the reporting date.

The ACL on off balance sheet credit exposures is presented within accrued expenses and other liabilities on the consolidated balance sheet. A charge (credit) to provision for credit losses on the consolidated statements of income is made to account for the change in the ACL on off-balance sheet exposures between reporting periods.The ACL on off-balance sheet credit related financial instruments was $7.4 million and $3.2 million as of December 31, 2023 and 2022, respectively.

Accrued Interest Receivable

Accrued interest receivable, including receivables related to investments and loans, is excluded from the measurement of the ACL. Accrued interest receivable is written off by reversing previously recognized interest income. The Company has a robust policy in place to write off accrued interest when a loan is placed on non-accrual. For loans, a write-off typically occurs when a loan has been in default for 90 days or more.

Land, Premises and Equipment, Net

Land is carried at cost. Other premises and equipment are carried at cost net of accumulated depreciation. Depreciation is computed on a straight-line method based principally on the estimated useful lives of the assets. Maintenance and repairs are expensed as incurred while major additions and improvements are capitalized. Gains (losses) on dispositions are included in current operations.

Bank Owned Life Insurance

The Company has purchased life insurance policies on certain key executives. Bank owned life insurance is recorded at its cash surrender value, or the amount that can be realized, if lower.

Goodwill and Other Intangibles, Net

Goodwill resulting from acquisitions is not amortized, but is tested for impairment annually. As part of its testing, the Company performs a quantitative analysis to determine whether it is more likely than not that the estimated fair value of a reporting unit is less than its carrying amount. If the Company determines the estimated fair value of a reporting unit is less than its carrying amount using certain qualitative factors, the Company then compares the estimated fair value of the goodwill with its carrying amount, and then measures impairment loss by comparing the estimated fair value of goodwill with the carrying amount of that goodwill.

Significant judgment is applied when goodwill is assessed for impairment. This judgment includes developing cash flow projections, selecting appropriate discount rates, identifying relevant market comparables, incorporating general economic and market conditions, and selecting an appropriate control premium. At December 31, 2023, the Company believes it did not have any indications of potential impairment based on the estimated fair value of the reporting units.

Intangible assets determined to have definite lives are amortized over the remaining useful lives. Intangible and other long-lived assets are reviewed for impairment whenever events occur, or circumstances indicate that the carrying amount may not be recoverable.

Mortgage Banking

Residential real estate loans are originated for purposes of being held for investment and held for sale into the secondary market. The transfer of these financial assets is accounted for as a sale when control over the asset has been surrendered. Control is deemed to be surrendered when the asset has been isolated from the Company, the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred asset, and the Company records the gain on sale of the financial asset within mortgage banking income on the consolidated statements of income.

Servicing assets are recognized as separate assets when servicing rights are acquired through the sale of residential mortgage loans with servicing rights retained. Capitalized servicing rights are initially recorded at estimated fair value based on assumptions provided by a third-party valuation service. The valuation model incorporates assumptions that market participants would use in estimating future net servicing income, such as servicing cost per loan, the discount rate, the escrow float rate, an inflation rate, ancillary income, prepayment speeds, and default rates and losses. Loan servicing income is recorded on the accrual basis and includes servicing fees from investors and certain charges collected from borrowers, such as late payment fees, and is net of estimated fair value adjustments to capitalized mortgage servicing rights. Capitalized servicing rights are amortized into mortgage banking income in proportion to, and over the period of, the estimated future servicing income of the underlying loans.

Servicing rights are accounted for at the lower of amortized cost or fair value. Servicing rights are evaluated for impairment based upon the estimated fair value of the rights as compared to amortized cost. Impairment is determined by stratifying rights by predominant characteristics, such as interest rates and terms. Impairment is recognized through a valuation allowance for an individual tranche, to the extent that estimated fair value is less than the capitalized amount

for the tranche. If the Company later determines that all or a portion of the impairment no longer exists for a particular tranche, a reduction of the allowance may be recorded as an increase to income.

Servicing fee income is recorded for fees earned for servicing loans. The fees are based on a contractual percentage of the outstanding principal, or a fixed amount per loan, and are recorded as income when earned. The amortization of servicing rights is netted against loan servicing fee income.

Impairment of Long Lived Assets

The Company tests long lived assets for impairment whenever events or changes in circumstances indicate the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by comparing the carrying amount of an asset to the future undiscounted net cash flows expected to be generated by the asset.

In the event such an asset is considered impaired, the impairment to be recognized is measured by the amount by which the carrying value of the asset exceeds the estimated fair value of the asset. Assets to be disposed of are reported at the lower of the carrying value of estimated fair value less estimated costs to sell.

Leases

The Company leases office space, space for ATM locations and certain branch locations under noncancellable operating leases, several of which have renewal options to extend the lease terms. Upon commencement of a new lease, the Company will recognize a right-of-use, or ROU, asset and a corresponding lease liability. The Company makes the decision on whether to renew an option to extend a lease by considering various factors. The Company will recognize an adjustment to ROU asset and lease liability when lease agreements are amended and executed. The discount rate used in determining the present value of lease payments is based on the lessor’s implicit rate in the lease if known or the Company’s incremental borrowings rate for borrowing terms similar to each lease at commencement date. The Company has lease agreements with lease and non-lease components, which are generally accounted for separately. For real estate leases, non-lease components, such as common area maintenance charges, real estate taxes and insurance, are not included in the measurement of the lease liability since they are generally able to be segregated. The Company has elected the short-term lease recognition exemption for all leases that qualify.

Foreclosed Assets

Assets acquired through loan foreclosure are included in other assets and are initially recorded at estimated fair value less estimated selling costs. The estimated fair value of foreclosed assets is evaluated regularly and any decreases in value along with holding costs, such as taxes, insurance and utilities, are reported in noninterest expense.

Transfers of Financial Assets and Participating Interests

Transfers of financial assets are accounted for as sales when control over assets has been surrendered or in the case of loan participation, a portion of the asset has been surrendered and meets the definition of a “participating interest.” Control over transferred assets is deemed to be surrendered when 1) the assets have been isolated from the Company, 2) the transferee obtains the rights to pledge or exchange the transferred assets, and 3) the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity. Should the transfer not meet these three criteria, the transaction is treated as a secured financing.

Loans serviced for others are not included in the accompanying consolidated balance sheets. Servicing loans for others generally consists of collecting mortgage payments, maintaining escrow accounts, disbursing payments to investors and collection and foreclosure processing.

Short-Term and Long-Term Borrowings

Short-term borrowings are those that, at time of origination, are scheduled to mature within one year. The Company’s short-term borrowings include, but are not limited to, FHLB overnight and FHLB advances, federal funds purchased, and line-of-credit advances.

Long-term borrowings are those that, at time of origination, are scheduled to mature in one or more years. The Company’s long-term borrowings include, but are not limited to, FHLB advances, subordinated notes payable, trust preferred securities, and junior subordinated debentures.

Short-term and long-term borrowings on the consolidated statements of income are presented net of unamortized issuance costs, if any, and amortized over the life of the borrowing.

The Company is required to post collateral for certain borrowings, for which it generally posts loans and/or investment securities as collateral.

Derivatives and Hedging Activities

In the ordinary course of business, the Company enters into derivative transactions to manage various risks and to accommodate the business requirements of its clients.

Derivative instruments are reported in other assets or other liabilities at estimated fair value. The Company formally documents relationships between hedging instruments and hedged items, as well as its risk management objectives and strategy for undertaking various hedge transactions. The Company also assesses, both at the hedge’s inception and on an ongoing basis, whether the derivatives that are used in hedging transactions are effective in offsetting changes in cash flows or fair values of hedged items. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Changes in fair value of a derivative that qualifies as a fair value hedge and the change in fair value of the hedged item are both recorded in earnings and offset each other when the transaction is effective. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Changes in fair value of a derivative that is effective and that qualifies as a cash flow hedge are recorded in OCI and are reclassified into earnings when the forecasted transaction or related cash flows affect earnings. The Company will also enter into derivative contracts that are intended to economically hedge certain of its risk, even though hedge accounting does not apply or the Company elects not to apply hedge accounting. Changes in the fair value of the derivatives not designated are recognized directly in earnings.

Noninterest Income

Specific guidelines are established for recognition of certain noninterest income components related to the Company’s consolidated financial statements. In accordance with Topic 606, revenues are recognized when control of promised goods or services is transferred to customers in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of Topic 606, the Company performs the following five steps: (1) identify the contract(s) with a customer; (2) identify the performance obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; and (5) recognize revenue when (or as) the Company satisfies a performance obligation.

The Company only applies the five-step model to contracts when it is probable that the entity will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of Topic 606, the Company assesses the goods or services that are promised within each contract and identifies those that contain performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is

allocated to the respective performance obligation when (or as) the performance obligation is satisfied. The material groups of noninterest income that this methodology is applied to are defined as follows:

Retirement and benefit services: Retirement and benefit services income is primarily comprised of fees earned from the administration of retirement plans, record-keeping, compliance services, health savings accounts, and flexible benefit plans. Fees are earned based on a combination of the market value of assets under administration and transaction-based fees for services provided. Fees that are determined based on the market value of the assets under administration are generally billed monthly or quarterly in arrears and recognized monthly as the Company’s performance obligations are met. Other transaction-based fees are recognized monthly as the performance obligation is satisfied.

Wealth management: Wealth management income is earned from a variety of sources including trust administration and other related fiduciary services, custody, investment management and advisory services, and brokerage. Fees are based on the market value of the assets under management and are generally billed monthly in arrears and recognized monthly as the Company’s performance obligations are met. Commissions on transactions are recognized on a trade-date basis as the performance obligation is satisfied at the point in time in which the trade is processed. Other related services are based on a fixed fee schedule and the revenue is recognized when the services are rendered, which is when the Company has satisfied its performance obligation.

Service charges on deposit accounts: Service charges on deposit accounts primarily consist of account analysis fees, monthly maintenance fees, overdraft fees, and other deposit account related fees. Overdraft fees and certain service charges are fixed, and the performance obligation is typically satisfied at the time of the related transaction. The consideration for analysis fees and monthly maintenance fees are variable as the fee can be reduced if the customer meets certain qualifying metrics. The Company’s performance obligations are satisfied at the time of the transaction or over the course of a month.

Other noninterest income: Other noninterest income components include debit card interchange fees, bank-owned life insurance income and miscellaneous transactional fees. Income earned from these revenue streams is generally recognized concurrently with the satisfaction of the performance obligation.

Advertising Costs

Advertising costs are expensed as incurred.

Tax Credit Investments

The Company invests in qualified affordable housing projects for the purpose of community reinvestment and obtaining tax credits. These investments are included in other assets on the balance sheet, and any unfunded commitments in accrued expenses and other liabilities on the balance sheet. The qualified affordable housing projects are accounted for under the proportional amortization method. Under the proportional amortization method, the initial cost of the investment is recognized over the period that the Company expects to receive the tax credits, with the expense included within income tax expense on the consolidated statements of income. Management analyzes these investments for potential impairment when events or changes in circumstances indicate that it is more likely than not that the carrying amount of the investment will not be realized. An impairment loss is measured as the amount by which the carrying amount of an investment exceeds its fair value.

Income Taxes

Deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. A valuation allowance would be recognized if it is “more likely than not” that the deferred tax asset would not be realized.

These calculations are based on many complex factors including estimates of the timing of reversals of temporary differences, the interpretation of federal and state income tax laws, and a determination of the differences between the tax and the financial reporting basis of assets and liabilities. Actual results could differ significantly from the estimates and interpretations used in determining the current and deferred income tax liabilities.

The Company follows standards related to Accounting for Uncertainty in Income Taxes. These rules establish a higher standard for tax benefits to meet before they can be recognized in a Company’s consolidated financial statements. The Company can recognize in financial statements the impact of a tax position taken, or expected to be taken, if it is more likely than not that the position will be sustained on an audit based on the technical merit of the position. See Note 20 (Income Taxes) for additional disclosures. The Company recognizes both interest and penalties as components of other operating expenses.

The amount of the uncertain tax position was not determined to be material. It is not expected that the unrecognized tax benefit will be material within the next 12 months. The Company did not incur any interest or penalties in 2023, 2022, or 2021.

The Company files consolidated federal and state income tax returns. The Company is no longer subject to U.S. federal or state tax examinations by tax authorities for years before 2020.

Comprehensive Income

Recognized revenue, expenses, gains, and losses are included in net income. Certain changes in assets and liabilities, such as unrealized gains (losses) on debt securities, unrealized gains (losses) on cash flow hedging derivatives, reclassification adjustments for losses (gains) realized in income, and unrealized gains (losses) on other derivatives, are reported as a separate component of the equity section of the consolidated balance sheets. Such items, along with net income, are components of comprehensive income.

Stock Compensation Plans

Stock compensation accounting guidance requires that the compensation cost relating to share-based payment transactions be recognized in financial statements. The cost will be measured based on the grant date estimated fair value of the equity or liability instruments issued. The grant date estimated fair value is determined using the closing price of the Company’s common stock. The stock compensation accounting guidance requires that compensation cost for all stock awards be calculated and recognized over the employee’s service period, generally defined as the vesting period. For awards with graded-vesting, compensation cost is recognized on a straight-line basis over the requisite service period for the entire award.

Earnings per Share

Earnings per share are calculated utilizing the two-class method. Earnings per share calculations include shares related to the Alerus Financial Corporation Employee Stock Ownership Plan. Basic earnings per share is calculated by dividing the sum of distributed earnings to common stockholders and undistributed earnings allocated to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings per share are calculated by dividing the sum of distributed earnings to common stockholders and undistributed earnings allocated to common stockholders by the weighted-average number of shares adjusted for the dilutive effect of common stock awards.