GBBK Global Blockchain Acquisition Corporation

Greater Bay Bancorp (Nasdaq:GBBK), a financial services holding company, announced that James S. Westfall, Executive Vice President and Chief Financial Officer, will participate in a conference sponsored by Merrill Lynch on November 16, 2006 at 10:30 a.m. ET. The conference will be accessible live via the Internet during the conference and for 14 days following the conference at http://www.veracast.com/webcasts/ml/banking06/99304372.cfm. Persons interested in listening to the conference should go to the website 15 minutes prior to the start of the conference to register as it may be necessary to download audio software to hear the presentation. Slides of Greater Bay Bancorp�s presentation will be filed with the SEC on a Current Report on Form 8-K prior to the presentation. The Form 8-K may be accessed through the Company�s website, http://www.gbbk.com, or the SEC�s website, http://www.sec.gov. 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. For additional information and press releases about Greater Bay Bancorp, visit the Company�s website 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, 2005, and particularly the discussion of risk factors within such documents. Greater Bay Bancorp (Nasdaq:GBBK), a financial services holding company, announced that James S. Westfall, Executive Vice President and Chief Financial Officer, will participate in a conference sponsored by Merrill Lynch on November 16, 2006 at 10:30 a.m. ET. The conference will be accessible live via the Internet during the conference and for 14 days following the conference at http://www.veracast.com/webcasts/ml/banking06/99304372.cfm. Persons interested in listening to the conference should go to the website 15 minutes prior to the start of the conference to register as it may be necessary to download audio software to hear the presentation. Slides of Greater Bay Bancorp's presentation will be filed with the SEC on a Current Report on Form 8-K prior to the presentation. The Form 8-K may be accessed through the Company's website, http://www.gbbk.com, or the SEC's website, http://www.sec.gov. 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. For additional information and press releases about Greater Bay Bancorp, visit the Company's website 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, 2005, and particularly the discussion of risk factors within such documents.