On August 19, 2025, the Exchange Bank Board of Directors declared a quarterly cash dividend of $1.30 per share on common stock outstanding to shareholders of record at the close of business on September 5, 2025. The dividend will be paid on September 19, 2025.

Approximately $1.12 million, or 50.44%, of the Bank’s cash dividend will go to the Doyle Trust which funds the Doyle Scholarships at the Santa Rosa Junior College.

FORWARD-LOOKING INFORMATION:

The following appears in accordance with the Private Securities Litigation Reform Act of 1995: This press release may contain forward-looking statements about the Bank, including descriptions of plans or objectives of its management for future operations, products or services, forecasts of its revenues, earnings, legislative, regulatory issues, or other measures of economic performance. 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,” “anticipate,” “intend,” “plan,” “estimate,” or words of similar meaning, or future or conditional verbs such as “will,” “would,” “should,” “could,” or “may.”

Forward-looking statements, by their nature, are subject to risks and uncertainties. A number of factors, many of which are beyond the Bank’s control, could cause actual conditions, events or results to differ significantly from those described in the forward-looking statements. Forward-looking statements speak only as of the date they are made. The Bank 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.

About Exchange Bank

Headquartered in Sonoma County and founded in 1890, Exchange Bank is a full-service community bank with assets of $3.27 billion. Exchange Bank provides a wide range of personal, commercial, and trust and investment management services with 17 retail branches in Sonoma County, a retail branch in Roseville and Trust & Investment Management offices in Santa Rosa, Roseville, Marin County and Silicon Valley. The Bank’s legacy of financial leadership and community support is grounded in its core values of commitment, respect, integrity, and teamwork. Exchange Bank is known for its people who care about their customers, their company, and the communities where they live and work. Exchange Bank is a 20-year winner of the North Bay Business Journal’s Best Places to Work survey and a 14-time winner of the Best Bank of Sonoma County by the Press Democrat’s Readers’ Choice 2025 awards. Exchange Bank was named Best Consumer Bank by the NorthBay biz Magazine’s Best of the North Bay readers’ poll and Best Local Bank by The Petaluma Argus Courier People’s Choice Awards 2025. Exchange Bank is also a winner of the 2025 San Francisco Business Times Corporate Philanthropy award, and the Bohemian Magazine’s Best of the North Bay 2025 named Exchange Bank Best Business Bank and Best Consumer Bank. www.exchangebank.com

Member FDIC — Equal Housing Lender — Equal Opportunity Employer

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