Balance Sheet Growth and Improvements in Asset Quality

Bank of Marin Bancorp, "Bancorp" (Nasdaq: BMRC), parent company of Bank of Marin, "Bank," announced net income of $7.5 million for the third quarter of 2025, compared to a net loss of $8.5 million (net income of $4.7 million, non-GAAP) for the second quarter of 2025, a 61.4% increase on a non-GAAP net income basis. Diluted income per share was $0.47 for the third quarter, compared to diluted loss per share of $(0.53) (diluted earnings per share of $0.29, non-GAAP) for the prior quarter. Net income for the first nine months of 2025 totaled $3.9 million ($17.1 million, non-GAAP), compared to a net loss of $14.4 million (net income of $8.5 million, non-GAAP) for the same period last year. Results for year-to-date 2025 and 2024 include pre-tax losses on the sale of securities of $18.7 million and $32.5 million, respectively, incurred to improve the bank's future earnings.

Concurrent with this release, Bancorp issued presentation slides providing supplemental information, some of which will be discussed during the third quarter 2025 earnings call. The earnings release and presentation slides are intended to be reviewed together and can be found online on Bank of Marin’s website at www.bankofmarin.com under “Investor Relations.”

“The Bank’s financial performance continues to improve with 68% growth in quarterly earnings per share and a 38 basis point advance in net interest margin compared to the third quarter of 2024,” said Tim Myers, President and Chief Executive Officer. “We generated an accelerated amount of loan growth while maintaining our disciplined underwriting criteria and with a healthy pipeline, we expect to see continued loan growth over the remainder of the year.

“Our longstanding culture of prudent credit risk management drove a substantial reduction in classified loans and a smaller decline in non-accrual loans. We had a meaningful payoff in a non-accrual relationship already in the fourth quarter and expect further credit quality improvements by year end. We had strong deposit growth during the third quarter reflecting typical seasonal trends, the deepening of existing relationships, and the growth of new relationships.”

Bancorp also provided the following highlights for the third quarter of 2025:

• The third quarter tax-equivalent net interest margin improved 15 basis points over the preceding quarter to 3.08% from 2.93%, largely due to the effects of the securities repositioning in the second quarter, which provided a 13 basis point increase in annualized net interest margin for the third quarter. The tax-equivalent net interest margin for the nine months ended September 30, 2025 improved 39 basis points over the same period of the prior year due to the increase in deposits at a decreased average cost, higher average loan rates, and the favorable impact of the securities repositioned in the second quarter of 2025, which resulted in higher yielding assets during the nine months ended September 30, 2025.

• Return on average assets ("ROA") and return on average equity ("ROE") increased on a GAAP and non-GAAP basis from the prior quarter, as shown below, primarily due to the increased net income. The efficiency ratio improved from last quarter, as well, due to the increased net interest income. Non-GAAP ratios exclude the loss on security sales, all other factors unchanged, and with adjustments made based on the Company's blended statutory tax rate of 29.56%. See Reconciliation of GAAP and Non-GAAP Financial Measures below.

• The average cost of total deposits and interest-bearing deposits increased one basis point to 1.29% and 2.24%, respectively, in the third quarter of 2025, compared to the prior quarter. Non-interest bearing deposits continued to make up a strong portion of total deposits at 43.1% as of September 30, 2025, compared to 42.5% last quarter.

• There was no provision for credit losses on loans in the third quarter of 2025 or in the prior quarter. The allowance for credit losses was 1.43% and 1.44% of total loans at September 30, 2025 and June 30, 2025, respectively.

• Classified loans were 2.36% of total loans compared to 2.95% last quarter largely due to upgrades to special mention of two commercial real estate relationships during the quarter totaling $9.0 million.

• Non-accrual loans were 1.51% of total loans at quarter-end, down from 1.57% at June 30, 2025 largely due to $1.1 million in payoffs in the quarter. Subsequent to quarter end, an additional $3.6 million in non-accrual loans were paid off in full including interest and fees.

• Total deposits increased 4.2% to $3.383 billion as of September 30, 2025 compared to $3.245 billion as of June 30, 2025 due largely to inflows from existing customers as well as new relationships to the Bank in the quarter.

• Capital was above well-capitalized regulatory thresholds. Total risk-based capital was 16.13% as of September 30, 2025 for Bancorp compared to 16.25% as of June 30, 2025. Bancorp's tangible common equity to tangible assets ("TCE ratio") was 9.72% as of September 30, 2025. Bancorp's TCE ratio net of after-tax unrealized losses on held-to-maturity securities as if the losses were realized¹ was 8.24% as of September 30, 2025.

• Bancorp repurchased 50,000 in shares for $1.1 million at an average price of $22.33 per share, which was below tangible book value, during the third quarter of 2025. This contributed to an increase in the book value per share to $27.57 at September 30, 2025 compared to $27.21 at June 30, 2025, and the tangible book value per share² to $22.92 at September 30, 2025 compared to $22.55 at June 30, 2025.

• The Board of Directors declared a cash dividend of $0.25 per share on October 23, 2025, which represents the 82^nd consecutive quarterly dividend paid by Bancorp. The dividend is payable on November 13, 2025, to shareholders of record at the close of business on November 6, 2025.

“The Bank’s 28% improvement in sequential quarter pre-tax pre-provision net income reflects benefits from organic growth as well as the expected impacts of our balance sheet repositioning activities,” said Chief Financial Officer Dave Bonaccorso. “We will continue to explore additional repositioning activities that could improve earnings and allow for investments in the long-term growth of the Bank."

Loans and Credit Quality

Loans totaled $2.090 billion as of September 30, 2025, a net increase of $16.7 million from June 30, 2025. Loan originations for the third quarter were $100.7 million ($69.0 million funded) including $85.3 million ($65.4 million funded) in commercial loans, which includes commercial and industrial, commercial real estate, and construction loans. In the prior quarter, loan originations were $68.8 million ($50.6 million funded) including $49.1 million ($41.6 million funded) in commercial loans. The third quarter of the prior year included total originations of $79.4 million ($63.9 million funded) including $28.2 million ($19.8 million funded) in commercial loans. Third quarter 2024 originations also included $35.7 million in purchased residential real estate loans.

For the third quarter of 2025, loan payoffs were $33.9 million, loan amortization from scheduled repayments was $20.8 million and the net increase in credit line utilization was $2.5 million. This compares to the prior quarter with loan payoffs of $36.5 million, amortization of $18.6 million, and a net increase in credit line utilization of $4.7 million. For the third quarter of prior year, loan payoffs were $30.9 million, amortization was $26.0 million, and the net decrease in credit line utilization was $2.7 million.

Accruing loans past due 30 to 89 days totaled $11.0 million as of September 30, 2025, compared to $2.7 million as of June 30, 2025. Contributing to the increase were four commercial real estate loans totaling $10.0 million and a number of smaller loans across various loan types, primarily past due fewer than 60 days, many of which are in the process of extension.

Non-accrual loans declined to $31.5 million, or 1.51% of the loan portfolio, at September 30, 2025, compared to $32.5 million, or 1.57% at June 30, 2025. The reduction included $1.1 million in payoffs in the quarter. Of the total non-accrual loans as of September 30, 2025, approximately 61% were paying as agreed, 88% were real estate secured, and all are being closely managed and monitored. Subsequent to quarter end, an additional $3.6 million in non-accrual loans were paid off in full including interest and fees.

In response to current market conditions, we continue to closely monitor our portfolio for signs of potential weakness to ensure proactive risk management and actively work towards a resolution on our classified loans. Classified loans decreased by $11.7 million to $49.4 million as of September 30, 2025, from $61.1 million as of June 30, 2025. The decrease was largely due to upgrades of two commercial real estate loans totaling $9.1 million.

Loans designated special mention, which are not considered adversely classified, decreased by $3.0 million to $88.5 million as of September 30, 2025, from $91.5 million as of June 30, 2025.

There were no net charge-offs for the third quarter of 2025. This compared to net charge-offs of $52 thousand for the second quarter of 2025.

There was no provision for credit losses on loans in the third quarter of 2025 or the prior quarter. The ratio of allowance for credit losses to total loans was 1.43% at September 30, 2025, compared to 1.44% at June 30, 2025.

Cash, Cash Equivalents and Restricted Cash

Total cash, cash equivalents and restricted cash were $219.3 million at September 30, 2025, a decrease of $9.5 million compared to $228.9 million at June 30, 2025 largely due to the purchase of investment securities and funding of loans, partially offset by the $137.5 million increase in deposits.

Investments

The investment securities portfolio totaled $1.355 billion at September 30, 2025, an increase of $140.1 million from June 30, 2025. The increase was primarily the result of the purchase of $169.1 million in available-for-sale securities along with the reduction of the unrealized loss of $2.5 million in the available-for-sale portfolio, partially offset by principal repayments of $31.8 million. Both the available-for-sale and held-to-maturity portfolios are eligible for pledging to FHLB or the Federal Reserve as collateral for borrowing. The portfolios are comprised of high credit quality investments with average effective durations of 2.43 on available-for-sale securities and 5.18 on held-to-maturity securities. Both portfolios generate cash flows monthly from interest, principal amortization and payoffs, which supports the Bank's liquidity. Those cash flows totaled $42.3 million and $85.4 million in the third and second quarters of 2025, respectively.

Deposits

Deposits increased $137.5 million (4.2%) to $3.383 billion at September 30, 2025, compared to $3.245 billion at June 30, 2025 primarily due to inflows from existing relationships as well as new relationships. This was the largest quarterly increase since the acquisition of American River Bank in the third quarter of 2021. The majority of this increase was $78.4 million in non-interest bearing deposits, largely due to seasonal inflows. A $51.7 million increase in money market accounts drove the increase in interest-bearing deposits. Non-interest bearing deposits continued to make up a strong 43.1% of total deposits at September 30, 2025, compared to 42.5% at June 30, 2025. The Bank's competitive and balanced approach to relationship management and focused outreach to customers seeking alternative options for banking solutions generated over 1,000 new accounts during the third quarter, 43% of which were new relationships.

Borrowings and Liquidity

At September 30, 2025, the Bank had no outstanding borrowings, consistent with June 30, 2025. While available as a liquidity source, we have not utilized brokered deposits. Net available funding sources, including unrestricted cash, unencumbered available-for-sale securities and total available borrowing capacity totaled $2.026 billion, or 60% of total deposits and 202% of estimated uninsured and/or uncollateralized deposits as of September 30, 2025. Additionally, as part of our liquidity management, the Bank maintained $30.4 million in deposits off-balance sheet with deposit networks at September 30, 2025, compared to zero at June 30, 2025.

The following table details the components of our contingent liquidity sources as of September 30, 2025.

Capital Resources

The total risk-based capital ratio for Bancorp was 16.13% at September 30, 2025, compared to 16.25% at June 30, 2025. The decrease was largely due to an increase in risk weighted assets, impacted by increased loans and investment security purchases in the quarter. The total risk-based capital ratio for the Bank was 15.11% at September 30, 2025, compared to 15.00% at June 30, 2025.

Bancorp's tangible common equity to tangible assets ("TCE ratio") was 9.72% at September 30, 2025, compared to 9.95% at June 30, 2025 due to our balance sheet growth. Our capital plan and point-in-time capital stress tests indicate that Bank of Marin and Bancorp capital ratios will remain above regulatory well-capitalized and internal policy minimums throughout a five-year forecast horizon and across stress scenarios such as additional unrealized losses on the investment portfolio, additional deposit growth or decline, loan credit quality deterioration, and potential share repurchases.

Earnings

Net Interest Income

Net interest income totaled $28.2 million for the third quarter of 2025, a $2.3 million increase from the prior quarter. This was driven by an increase of $78.7 million in average earning assets including a $1.4 million increase in investment security interest income due to the second quarter repositioning.

The tax-equivalent net interest margin increased to 3.08% for the third quarter of 2025, compared to 2.93% for the prior quarter. The repositioning of securities added 13 basis points to the margin and the higher average interest-earning deposit balances at the Federal Reserve Bank increased the margin by 10 basis points, partially offset by lower average loan balances during the quarter and the slight increase in cost of deposits.

Non-Interest Income (Loss)

Non-interest income was $2.7 million for the third quarter of 2025, compared to a net non-interest loss of $15.6 million for the prior quarter. The increase of $18.4 million from the prior quarter was primarily attributable to a loss of $18.7 million on the sale of available-for-sale investment securities during the prior quarter. Excluding the loss on sale, prior quarter non-interest income was $3.1 million. The $370 thousand decline in the third quarter was primarily attributed to the $238 thousand death benefit received on bank owned life insurance in the second quarter, not repeated in the third quarter.

Non-Interest Expense

Non-interest expense totaled $21.3 million for the third quarter of 2025, compared to $21.5 million for the prior quarter, a decrease of $162 thousand.

Statement Regarding use of Non-GAAP Financial Measures

Financial results are presented in accordance with GAAP and with reference to certain non-GAAP financial measures. Management believes that, given industry turmoil that largely began in the first quarter of 2023, the presentation of Bancorp's non-GAAP TCE ratio reflecting the after tax impact of unrealized losses on held-to-maturity securities provides useful supplemental information to investors because it reflects the level of capital remaining after a hypothetical liquidation of the entire securities portfolio. In addition, management believes that providing selected financial measures excluding the loss on sale of securities discussed above is useful to investors as the strategic short-term loss taken for long-term profitability makes the operational performance difficult to compare to other periods. Because there are limits to the usefulness of this or any other non-GAAP measure to investors, Bancorp encourages readers to consider its annual and quarterly consolidated financial statements and notes related thereto for their entirety, as filed with the Securities and Exchange Commission, and not to rely on any single financial measure. A reconciliation of the GAAP financial measures to comparable non-GAAP financial measures is presented below.

Share Repurchase Program

Bancorp repurchased 50,000 shares totaling $1.1 million at an average price of $22.33 per share, which was below tangible book value, during the third quarter of 2025. The repurchase was pursuant to the $25.0 million repurchase authorization that became effective July 24, 2025 and expires on July 31, 2027.

Earnings Call and Webcast Information

Bank of Marin Bancorp (Nasdaq: BMRC) will present its third quarter financial results call via webcast on Monday, October 27, 2025 at 8:30 a.m. PT/11:30 a.m. ET. Investors can listen to the webcast online through Bank of Marin’s website at www.bankofmarin.com under “Investor Relations.” To listen to the live call, please go to the website at least 15 minutes early to register, download and install any necessary audio software. For those who cannot listen to the live broadcast, a replay will be available at the same website location shortly after the call. Closed captioning will be available during the live webcast, as well as on the webcast replay.

About Bank of Marin Bancorp

Founded in 1990 and headquartered in Novato, Bank of Marin is the wholly owned subsidiary of Bank of Marin Bancorp (Nasdaq: BMRC). A leading business and community bank with assets of $3.9 billion, Bank of Marin provides commercial and personal banking, specialty lending, and wealth management and trust services throughout its network of 27 branches and eight commercial banking offices serving Northern California. Bank of Marin was ranked #1 on the West Coast and #4 nationwide in 2025, by S&P Global Market Intelligence, for best deposit franchise among banks with total assets between $3 billion and $10 billion. Specializing in providing legendary service to its clients and investing in its local communities, Bank of Marin has consistently been ranked one of the “Top Corporate Philanthropists" by San Francisco Business Times since 2003, was inducted into NorthBay Biz’s “Best of” Hall of Fame in 2024, and ranked top 13 in Sacramento Business Journal’s 2025 Corporate Direct Giving List. Bank of Marin Bancorp is included in the Russell 2000 Small-Cap Index and Nasdaq ABA Community Bank Index. For more information, visit www.bankofmarin.com.

Forward-Looking Statements

This release may contain certain forward-looking statements that are based on management's current expectations regarding economic, legislative, and regulatory issues that may impact Bancorp's earnings in future periods. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. They often include the words “believe,” “expect,” “intend,” “estimate” or words of similar meaning, or future or conditional verbs such as “will,” “would,” “should,” “could” or “may.” Factors that could cause future results to vary materially from current management expectations include, but are not limited to, general economic conditions and the economic uncertainty in the United States and abroad, including economic or other disruptions to financial markets caused by the Trump administration's approach to tariffs and trade, acts of terrorism, war or other conflicts, impacts from inflation, supply chain disruptions, changes in interest rates (including the actions taken by the Federal Reserve to control inflation), California's unemployment rate, deposit flows, real estate values, and expected future cash flows on loans and securities; the impact of adverse developments at other banks, including bank failures, that impact general sentiment regarding the stability and liquidity of banks; costs or effects of acquisitions; competition; changes in accounting principles, policies or guidelines; changes in legislation or regulation; natural disasters (such as wildfires and earthquakes in our area); adverse weather conditions; interruptions of utility service in our markets for sustained periods; and other economic, competitive, governmental, regulatory and technological factors (including external fraud and cybersecurity threats) affecting our operations, pricing, products and services; and successful integration of acquisitions. These and other important factors are detailed in various securities law filings made periodically by Bancorp, copies of which are available from Bancorp without charge. Bancorp undertakes no obligation to release publicly the result of any revisions to these forward-looking statements that may be made to reflect events or circumstances after the date of this press release or to reflect the occurrence of unanticipated events.