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  <TITLE>Prepared by R.R. Donnelley Financial -- Form 8-K : Period Date 8/01/2002</TITLE>
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   <HR SIZE="4" NOSHADE COLOR="#000000" ALIGN="left"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>UNITED STATES </B></FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
  COLOR="#000000"><B>WASHINGTON, DC 20549 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"
  COLOR="#000000"><B>FORM 8-K </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Current Report Pursuant to Section 13 or 15(d) of </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>The Securities Exchange Act of 1934 </B></FONT></DIV>
  <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>August 1, 2002 </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Date of report (Date
  of earliest event reported) </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="6"
  COLOR="#000000"><B>NUMERICAL TECHNOLOGIES, INC. </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(Exact name of registrant as specified in its charter) </B></FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0">
  
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  <TD VALIGN="top" ALIGN="center" WIDTH="23%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Delaware</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="52%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>000-30005</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="23%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>94-3232104</B></FONT></DIV> </TD> </TR>
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  <TD VALIGN="top" ALIGN="center" WIDTH="23%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(State or other jurisdiction of</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"
  COLOR="#000000"><B>incorporation or organization)</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="52%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(Commission File Number)</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" ALIGN="center" WIDTH="23%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(I.R.S. Employer</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>Identification
  Number)</B></FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR NOSHADE WIDTH="21%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
  COLOR="#000000"><B>70 West Plumeria Drive </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>San Jose, California 95134-2134 </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"
  COLOR="#000000"><B>(Address of principal executive offices) </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>(408)-919-1910 </B></FONT></DIV> <DIV
  ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(Registrant&#146;s telephone number, including area code) </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR SIZE="4" NOSHADE COLOR="#000000" ALIGN="left">
  
  <p Style='page-break-before:always'>
  <HR  SIZE="3" COLOR="#CCEEFF" WIDTH="100%" ALIGN="CENTER">
  
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  <TD VALIGN="top" WIDTH="7%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item 5.</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="92%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B></B><B><I>Other Events and Regulation FD Disclosure</I></B><B></B></FONT></DIV> </TD> </TR>
  <TR>
  <TD HEIGHT="8"> </TD> </TR>
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  <TD VALIGN="top" COLSPAN="3" WIDTH="92%"> <DIV STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">On August 1, 2002 Numerical Technologies, Inc. (Numerical) announced that Larry Hollatz joined the Company as its President
  and Chief Executive Officer (CEO).&nbsp;&nbsp;Founder Yagyensh C. Pati resigned his position as President and CEO and will assume the role of chairman of the board, and former chairman Bill Davidow will continue to serve on the board as vice
  chairman.</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">A copy of the press release issued by Numerical regarding the above is attached as an exhibit hereto and
  is incorporated by reference herein.</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> </TD> </TR>
  <TR>
  <TD VALIGN="top" WIDTH="7%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item&nbsp;7.</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="92%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B><I>Financial Statements and Exhibits</I></B></FONT></DIV> </TD> </TR>
  <TR>
  <TD HEIGHT="8"> </TD> </TR>
  <TR>
  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="92%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(c)&nbsp;&nbsp;&nbsp;&nbsp;Exhibits.</FONT></DIV> </TD> </TR>
  <TR>
  <TD HEIGHT="16"> </TD> </TR>
  <TR>
  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="92%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release by Numerical Technologies, Inc. dated August 1, 2002.</FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SIGNATURES </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
  <DIV STYLE="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 thereunto duly authorized. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="right">
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  <TD VALIGN="top" COLSPAN="3" WIDTH="49%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">NUMERICAL TECHNOLOGIES, INC.</FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> </TD> </TR>
  <TR>
  <TD VALIGN="top" WIDTH="3%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" ALIGN="center" WIDTH="49%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">/s/&nbsp;&nbsp;&nbsp;&nbsp;Richard S. Mora&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></DIV> </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> <HR NOSHADE COLOR="#000000"></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 VALIGN="top" ALIGN="center" WIDTH="49%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>Richard S. Mora</B></FONT></DIV> </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 VALIGN="top" ALIGN="center" WIDTH="49%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B><I>Chief Operating Officer and Chief Financial Officer</I></B></FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dated August 6, 2002 </FONT></DIV> <P></P>
   <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">2 </FONT></DIV>
  
  
  <p Style='page-break-before:always'>
  <HR  SIZE="3" COLOR="#CCEEFF" WIDTH="100%" ALIGN="CENTER">
  
   <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>INDEX TO EXHIBITS </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV STYLE="text-indent:4%"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000">These Exhibits are numbered in accordance with the Exhibit Table of Item 601 of Regulation S-K: </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
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  <TD VALIGN="bottom" ALIGN="center"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>EXHIBIT</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>NUMBER</B></FONT></DIV> <HR
  SIZE="2" NOSHADE WIDTH="56" COLOR="#000000"></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="89%"> <DIV><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>DESCRIPTION</B></FONT></DIV> <HR SIZE="2" NOSHADE WIDTH="85" ALIGN="left" COLOR="#000000"></TD> </TR>
  <TR>
  <TD HEIGHT="5"> </TD> </TR>
  <TR>
  <TD VALIGN="top" ALIGN="center" WIDTH="10%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="89%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release by Numerical Technologies, Inc. dated August 1, 2002.</FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <P></P>
   <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">3 </FONT></DIV>
  
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text: Prepared by R.R. Donnelley Financial -- Form 8-K : Period Date 8/01/2002
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, DC 20549
  FORM 8-K
  Current Report Pursuant to Section 13 or 15(d) of
  The Securities Exchange Act of 1934
  August 1, 2002
  Date of report (Date
  of earliest event reported)
  NUMERICAL TECHNOLOGIES, INC.
  (Exact name of registrant as specified in its charter)
  Delaware
  000-30005
  94-3232104
  (State or other jurisdiction of
  incorporation or organization)
  (Commission File Number)
  (I.R.S. Employer
  Identification
  Number)
  70 West Plumeria Drive
  San Jose, California 95134-2134
  (Address of principal executive offices)
  (408)-919-1910
  (Registrant's telephone number, including area code)
  Item 5.
  Other Events and Regulation FD Disclosure
  On August 1, 2002 Numerical Technologies, Inc. (Numerical) announced that Larry Hollatz joined the Company as its President
  and Chief Executive Officer (CEO).  Founder Yagyensh C. Pati resigned his position as President and CEO and will assume the role of chairman of the board, and former chairman Bill Davidow will continue to serve on the board as vice
  chairman.
  A copy of the press release issued by Numerical regarding the above is attached as an exhibit hereto and
  is incorporated by reference herein.
  Item 7.
  Financial Statements and Exhibits
  (c)    Exhibits.
  Press Release by Numerical Technologies, Inc. dated August 1, 2002.
  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 thereunto duly authorized.
  NUMERICAL TECHNOLOGIES, INC.
  By:
  /s/    Richard S. Mora
  Richard S. Mora
  Chief Operating Officer and Chief Financial Officer
  Dated August 6, 2002
  2
  INDEX TO EXHIBITS
  These Exhibits are numbered in accordance with the Exhibit Table of Item 601 of Regulation S-K:
  EXHIBIT
  NUMBER
  DESCRIPTION
  99.1
  Press Release by Numerical Technologies, Inc. dated August 1, 2002.
  3