CCO John Rockwell Appointed Interim President and CEO of Tri-Valley Bank!

SAN RAMON, Calif. -- Tri-Valley Bank (OTCBB:TRVB) announced today that effective Tuesday, March 11, 2008 Mr. John Rockwell became the Bank's Interim President and CEO. In addition to this new responsibility, Mr. Rockwell shall continue in his role as the Bank's Chief Credit Officer. In a brief statement, Mr. James C. Snell, Chairman of the Board, said "John Rockwell has been with Tri-Valley Bank since its inception and has distinguished himself in his tenure with the Bank. The Board is very pleased to maintain continuity in the Bank's management structure and business model. The wealth of experience John brings to his interim appointment should be particularly beneficial to our institution and we look forward to his leadership and the prospects for our future."

The Executive Officers for Tri-Valley Bank are:

John Rockwell

Interim President and CEO

Executive Vice President and Chief Credit Officer

Eugene Jeanne

Senior Vice President and Chief Financial Officer

Tri-Valley Bank is headquartered in San Ramon and maintains an office in Livermore. The Bank's principal focus is to provide premier financial services to individuals, small and middle market commercial businesses, as well as executives and professionals located in its market communities. The bank continues to be very involved in the communities it serves, including being the co-host and major sponsor of the upcoming East Bay Juvenile Diabetes Research Foundation's 3rd Annual Drive Fore A Cure Golf Tournament, which will be held on July 10, 2008 at Wente Golf Course. In addition, the bank continues to be a major sponsor of the California Independent Film Festival's Gala Lifetime Achievement Award Event.

Visit Tri-Valley Bank's website at: www.trivalleybank.com.

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.