content: <HTML><HEAD>
  <TITLE>Current Report on Form 8-K</TITLE>
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  <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>SECURITIES
  AND EXCHANGE COMMISSION </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Washington, D.C. 20549 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
  SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>FORM 8-K </B></FONT></P><P
  STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
  COLOR="#000000"><B>Current Report Pursuant </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>to Section 13 or 15(d) of the </B></FONT></P><P
  STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Securities Exchange Act of 1934 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
  STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Date of Report (Date of earliest event reported): March 5, 2003 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
  SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>Greater Bay Bancorp
  </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Exact name of registrant as specified in its charter) </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
  SIZE="1">&nbsp;</FONT></P>
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">
  
  <TR>
  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>California</B></FONT></P></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>77-0387041</B></FONT></P></TD></TR>
  <TR>
  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(State or other jurisdiction of</FONT></P></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(I.R.S. employer</FONT></P></TD></TR>
  <TR>
  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">incorporation or organization)</FONT></P></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">identification number)</FONT></P></TD></TR>
  </TABLE><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Commission file number: 0-25034 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
  SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>2860 West Bayshore Road </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Palo Alto, California 94303 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Address of principal executive offices
  and zip code) </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Registrant&#146;s telephone number, including area code: (650) 813-8200 </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
  
  
  
  <p Style='page-break-before:always'>
  <HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
  
  <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item
  5.&nbsp;&nbsp;&nbsp;&nbsp;Other Events. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2"
  COLOR="#000000"><B></B>On March 5, 2003, Greater Bay Bancorp (the &#147;Company&#148;) issued a press release, which provided an update on regulatory matters and performance guidance for 2003. The title and paragraphs 1 and 9 through 11 of the press
  release, which appear as part of Exhibit 99.1, are filed and incorporated herein by reference. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item 7.&nbsp;&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P
  STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><U>Exhibits</U> </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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  <TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></TD>
  <TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release dated March 5, 2003 re update on regulatory matters and performance guidance </FONT></TD></TR></TABLE><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
  SIZE="1">&nbsp;</FONT></P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR>
  <TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item</B></FONT></TD>
  <TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>9.&nbsp;&nbsp;&nbsp;&nbsp;Regulation FD Disclosure</B> </FONT></TD></TR></TABLE><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
  STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Paragraphs 2 through 8 (including bullet points under the headings &#147;2003 Earnings Per Share Guidance&#148; and &#147;2003 Key
  Business Drivers&#148;) of the press release appearing in Exhibit 99.1 are not filed but are furnished pursuant to Regulation FD. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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  <TD WIDTH="3%" VALIGN="top" ALIGN="left"></TD></TR></TABLE>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR>
  <TD WIDTH="3%" VALIGN="top" ALIGN="left"></TD></TR></TABLE>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR>
  <TD WIDTH="3%" VALIGN="top" ALIGN="left"></TD></TR></TABLE>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR>
  <TD WIDTH="3%" VALIGN="top" ALIGN="left"></TD></TR></TABLE><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
  <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">2 </FONT></P>
  
  
  <p Style='page-break-before:always'>
  <HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">
  
  <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SIGNATURES
  </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000">Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
  </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
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  <TD VALIGN="top" WIDTH="43%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Greater Bay Bancorp</B></FONT></P></TD></TR>
  <TR>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="43%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Registrant)</FONT></P></TD></TR>
  <TR>
  <TD HEIGHT="16"></TD></TR>
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  <TD VALIGN="top" WIDTH="4%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dated:</FONT></P></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="43%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">March 5, 2003</FONT></P></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="2%"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></P></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="43%"> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">/s/&nbsp;&nbsp;&nbsp;&nbsp;L<SMALL>INDA</SMALL> M.
  I<SMALL>ANNONE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SMALL></FONT></P><HR SIZE="1" NOSHADE COLOR="#000000" ALIGN="left"></TD></TR>
  <TR>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="43%"> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Linda M. Iannone</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000">Senior Vice President and General Counsel<B></B></FONT></P></TD></TR>
  </TABLE><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P
  STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
  <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">3 </FONT></P>
  
  
  <p Style='page-break-before:always'>
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  <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B><U>Exhibit
  Index</U> </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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  <TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></TD>
  <TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
  <TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release dated March 5, 2003 re update on regulatory matters and performance guidance </FONT></TD></TR></TABLE>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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  <TD WIDTH="3%" VALIGN="top" ALIGN="left"></TD></TR></TABLE>
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  <TD WIDTH="3%" VALIGN="top" ALIGN="left"></TD></TR></TABLE><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
  
  
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metadata_filer: {"company-data": {"conformed-name": "GREATER BAY BANCORP", "cik": "0000775473", "assigned-sic": "6021", "irs-number": "770387041", "state-of-incorporation": "CA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-25034", "film-number": "03592870"}, "business-address": {"street1": "2860 WEST BAYSHORE ROAD", "city": "PALO ALTO", "state": "CA", "zip": "94303", "phone": "4153751555"}, "mail-address": {"street1": "2860 BAYSHORE ROAD", "street2": "420 COWPER ST", "city": "PALO ALTO", "state": "CA", "zip": "943011504"}, "former-company": [{"former-conformed-name": "SAN MATEO COUNTY BANCORP", "date-changed": "19920703"}, {"former-conformed-name": "MID PENINSULA BANCORP", "date-changed": "19941031"}]}
text: Current Report on Form 8-K
  SECURITIES
  AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM 8-K
  Current Report Pursuant
  to Section 13 or 15(d) of the
  Securities Exchange Act of 1934
  Date of Report (Date of earliest event reported): March 5, 2003
  Greater Bay Bancorp
  (Exact name of registrant as specified in its charter)
  California
  77-0387041
  (State or other jurisdiction of
  (I.R.S. employer
  incorporation or organization)
  identification number)
  Commission file number: 0-25034
  2860 West Bayshore Road
  Palo Alto, California 94303
  (Address of principal executive offices
  and zip code)
  Registrant's telephone number, including area code: (650) 813-8200
  Item
  5.    Other Events.
  On March 5, 2003, Greater Bay Bancorp (the "Company") issued a press release, which provided an update on regulatory matters and performance guidance for 2003. The title and paragraphs 1 and 9 through 11 of the press
  release, which appear as part of Exhibit 99.1, are filed and incorporated herein by reference.
  Item 7.    Financial Statements and Exhibits.
  Exhibits
  99.1
  Press Release dated March 5, 2003 re update on regulatory matters and performance guidance
  Item
  9.    Regulation FD Disclosure
  Paragraphs 2 through 8 (including bullet points under the headings "2003 Earnings Per Share Guidance" and "2003 Key
  Business Drivers") of the press release appearing in Exhibit 99.1 are not filed but are furnished pursuant to Regulation FD.
  2
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
  Greater Bay Bancorp
  (Registrant)
  Dated:
  March 5, 2003
  By:
  /s/    L
  INDA
  M.
  I
  ANNONE
  Linda M. Iannone
  Senior Vice President and General Counsel
  3
  Exhibit
  Index
  99.1
  Press Release dated March 5, 2003 re update on regulatory matters and performance guidance