GBBK Global Blockchain Acquisition Corporation

Greater Bay Bancorp (Nasdaq:GBBK), a financial services holding company, will issue its second quarter 2007 earnings release when it files its Form 10-Q, expected to be on or prior to August 9, 2007. The Company will not host an earnings conference call. About Greater Bay Bancorp Greater Bay Bancorp, a diversified financial services holding company, provides community banking services in the greater San Francisco Bay Area through the Greater Bay Bank, N.A. community banking organization, including Bank of Petaluma, Coast Commercial Bank, Golden Gate Bank, Mid-Peninsula Bank, Mt. Diablo National Bank, Peninsula Bank of Commerce and Santa Clara Valley National Bank. Nationally, Greater Bay Bancorp provides specialized leasing and loan services through its specialty finance group, which includes Matsco, CAPCO and Greater Bay Capital. ABD Insurance and Financial Services, the Company's insurance brokerage subsidiary, provides commercial insurance brokerage, employee benefits consulting and risk management solutions to business clients throughout the United States. Greater Bay Bancorp recently announced that it has signed a definitive agreement to merge with Wells Fargo & Company. For additional information and press releases about Greater Bay Bancorp, visit the Company's web site at http://www.gbbk.com. Safe Harbor This document may contain forward-looking statements that are subject to risks and uncertainties that could cause actual results to differ materially from those projected. For a discussion of factors that could cause actual results to differ, please see the publicly available Securities and Exchange Commission filings of Greater Bay Bancorp, including its Annual Report on Form 10-K for the year ended December 31, 2006 and particularly the discussion of risk factors within such documents.