Mr. Donald H. Seiler

EAST PALO ALTO, Calif.--(BUSINESS WIRE)--May 3, 2006--Greater Bay Bancorp (Nasdaq:GBBK), a $7.1 billion in assets financial services holding company, announced that Donald H. Seiler, former chairman of the Audit Committee, will be retiring from the Board of Directors on May 31, 2006.Mr. Seiler has served on the Board since the Company's founding in 1996 and previously served as a founding Board member of Mid-Peninsula Bank, the Company's wholly owned subsidiary, organized in 1987.

The Board of Directors has appointed current Audit Committee member, Thomas E. Randlett, as Chairman of the Audit Committee to succeed Mr. Seiler.
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"It has been a genuine privilege to have Don Seiler as a member of our Board since its very inception," stated Duncan Matteson, Chairman of the Board.
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"My years with the Greater Bay Board and as Audit Committee Chairman have been extremely rewarding," responded Mr. Seiler.

Donald H. Seiler

EAST PALO ALTO, Calif.--(BUSINESS WIRE)--May 3, 2006--Greater Bay Bancorp (Nasdaq:GBBK), a $7.1 billion in assets financial services holding company, announced that Donald H. Seiler, former chairman of the Audit Committee, will be retiring from the Board of Directors on May 31, 2006.Mr. Seiler has served on the Board since the Company's founding in 1996 and previously served as a founding Board member of Mid-Peninsula Bank, the Company's wholly owned subsidiary, organized in 1987.

The Board of Directors has appointed current Audit Committee member, Thomas E. Randlett, as Chairman of the Audit Committee to succeed Mr. Seiler.
...
"It has been a genuine privilege to have Don Seiler as a member of our Board since its very inception," stated Duncan Matteson, Chairman of the Board.
...
"My years with the Greater Bay Board and as Audit Committee Chairman have been extremely rewarding," responded Mr. Seiler.