Bank of Marin Announces Stock Repurchase Program.

CORTE MADERA, Calif. -- Bank of Marin (NASDAQ:BMRC) Chairman Judith O'Connell Allen and President and CEO Russell Colombo, announced today that its Board of Directors has approved a share repurchase program to buy back up to 10%, or approximately 545,884 of the bank's 5,458,838 outstanding shares, not to exceed $15 million. The repurchase program will allow Bank of Marin to purchase common shares for a period of approximately twelve months in the open market or privately negotiated transactions, subject to market conditions. The buyback is subject to approval by the California Department of Financial Institutions and the Federal Deposit Insurance Corporation, for which the bank has applied.

"The program reflects our commitment to continue to maximize shareholder value and reflects our confidence in the future of the bank," said Colombo.

Based on its recently-filed second quarter reports, total assets were reported at $868.2 million as of June 30, 2006 which represented a 6.6% increase over the $814.2 million reported at June 30, 2005. Loans and deposits continued their upward trend. Loans totaled $705.5 million at period end, a 6.9% increase over $659.9 million a year ago. Deposits also showed comparable growth, with a 6.0% increase to $743.2 million at June 30, 2006 from $701.2 million from the previous year. Stockholders' equity totaled $85.1 million at June 30, 2006, up 18.1% from $72.0 million at June 30, 2005.

Bank of Marin has eleven offices with locations in Strawberry, Corte Madera, downtown San Rafael, Andersen Drive in San Rafael, Northgate, Ignacio, downtown Novato, Sausalito and three offices in Petaluma. The Bank's Administrative offices are located in Novato and its Wealth Management Services are located at the Corte Madera location.

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 the Bank'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, changes in interest rates, deposit flows, real estate values, and competition; changes in accounting principles, policies or guidelines; changes in legislation or regulation; and other economic, competitive, governmental, regulatory and technological factors affecting the Bank's operations, pricing, products and services. These and other important factors are detailed in various Federal Deposit Insurance Corporation filings made periodically by the Bank, copies of which are available from the Bank without charge. 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.