Basis of Presentation and Summary of Significant Accounting Policies

Boston Private Financial Holdings, Inc. (the “Company” or “BPFH”), is a bank holding company (the “Holding Company”) with four reportable segments: Private Banking, Wealth Management and Trust, Investment Management, and Wealth Advisory.

The Private Banking segment is comprised of the banking operations of Boston Private Bank & Trust Company (the “Bank” or “Boston Private Bank”), a trust company chartered by The Commonwealth of Massachusetts whose deposits are insured by the Federal Deposit Insurance Corporation (the “FDIC”), and a wholly-owned subsidiary of the Company. Boston Private Bank is a member of the Federal Reserve Bank of Boston. Boston Private Bank primarily operates in three geographic markets: New England, the San Francisco Bay Area, and Southern California.

The Wealth Management and Trust segment is comprised of the operations of Boston Private Wealth LLC (“Boston Private Wealth”), a wholly-owned subsidiary of Boston Private Bank, and the trust operations of Boston Private Bank. The segment offers investment management, wealth management, retirement plan advisory, family office, financial planning, and trust services to individuals, families, and institutions. The Wealth Management and Trust segment operates in New England; Southeast Florida; Naples, Florida; California; and Madison, Wisconsin.

The Investment Management segment had two consolidated affiliates, Dalton, Greiner, Hartman, Maher & Co., LLC (“DGHM”) and Anchor Capital Advisors, LLC (“Anchor”) (together, the “Investment Managers”) included in its results for the first quarter of 2018. The assets and liabilities of Anchor were classified as held for sale as of March 31, 2018 and December 31, 2017. Assets held for sale were $58.8 million at December 31, 2017, and liabilities held for sale were $3.2 million at December 31, 2017. In December 2017, the Company entered into an agreement to sell its entire ownership interest in Anchor in a transaction that would result in Anchor being majority-owned by members of its management team. The transaction closed in April 2018. The Investment Management segment results for the second quarter of 2018 include results from DGHM for the full quarter and results from Anchor for the portion of April before the transaction was closed.

The Wealth Advisory segment has two consolidated affiliates, consisting of KLS Professional Advisors Group, LLC (“KLS”) and Bingham, Osborn & Scarborough, LLC (“BOS”) (together, the “Wealth Advisors” and, together with the Wealth Management and Trust, and Investment Management segments, the “Wealth and Investment businesses”).

The Company conducts substantially all of its business through its four reportable segments. All significant intercompany accounts and transactions have been eliminated in consolidation.

The unaudited interim consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”), and include all necessary adjustments of a normal recurring nature which, in the opinion of management, are required for a fair presentation of the results of operations and financial condition of the Company. The interim results of consolidated operations are not necessarily indicative of the results for the entire year.

The information in this report should be read in conjunction with the consolidated financial statements and accompanying notes included in the Annual Report on Form 10-K for the year ended December 31, 2017, as filed with the Securities and Exchange Commission (“SEC”). Prior period amounts are reclassified whenever necessary to conform to the current period presentation.

The Company’s significant accounting policies are described in Part II. Item 8. “Financial Statements and Supplementary Data - Note 1: Basis of Presentation and Summary of Significant Accounting Policies” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017, as filed with the SEC. For interim reporting purposes, the Company follows the same significant accounting policies, except for the following new accounting pronouncements from the Financial Accounting Standards Board (the “FASB”) that were adopted effective January 1, 2018:

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Accounting Standards Update (“ASU”) 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities (“ASU 2017-12”). As a result of implementing this standard, the Company reclassified $5 thousand in unrealized losses on derivatives related to hedge ineffectiveness from accumulated other comprehensive income to retained earnings as of January 1, 2018. This ASU will provide more flexibility in the Company’s risk management activities and we believe it will enhance the Company’s ability to employ risk management strategies, while improving the transparency and understanding of those strategies for financial statement users.

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ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost (“ASU 2017-07”). This amendment requires an employer to report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. As a result of the retrospective adoption of this ASU, $181 thousand and $341 thousand for the three and six months ended June 30, 2017, respectively, has been reclassified from salaries and employee benefits expense to other expense within the Company’s consolidated statement of operations. For the three and six months ended June 30, 2018, $145 thousand and $280 thousand, respectively, is presented within other expense that would have been presented within salaries and employee benefits prior to adoption of ASU 2017-07.

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ASU 2016-15, Statement of Cash Flows (Topic 230) (“ASU 2016-15”). This update is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. This ASU is effective for the Company beginning on January 1, 2018. The guidance requires application using a retrospective transition method. This ASU did not have an impact on the Company’s consolidated financial statements.

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ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2016-01”). This amendment requires equity investments to be measured at fair value with changes in fair value, net of tax, recognized in net income. As a result of implementing this standard, the Company reclassified $339 thousand in unrealized gains on available-for-sale equity investments, net of tax, from accumulated other comprehensive income to retained earnings as of January 1, 2018. Additionally, this amendment requires that entities use the exit price notion when measuring the fair value of financial instruments for disclosure purposes. As a result of implementing this standard, the Company’s updated process includes identifying a fair value for loans using the exit price notion. See Part I. Item 1. “Notes to Unaudited Consolidated Financial Statements - Note 5: Fair Value Measurements” for further details.

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ASU 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”), which was subsequently amended by additional ASUs, including ASU 2016-08, Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations (Reporting Revenue Gross versus Net) and ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients, collectively, “ASU 2014-09 et al.” ASU 2014-09 et al. was adopted using the modified retrospective transition method as of January 1, 2018, however no cumulative effect adjustment was required. This new guidance was applied to all revenue contracts in place at the date of adoption. See Part I. Item 1. “Notes to Unaudited Consolidated Financial Statements - Note 13: Revenue Recognition” for further details.