<SUBMISSION>
<ACCESSION-NUMBER>0001104659-03-026878
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20031114
<ITEMS>5
<FILING-DATE>20031118
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>SIMPSON MANUFACTURING CO INC /CA/
<CIK>0000920371
<ASSIGNED-SIC>3420
<IRS-NUMBER>943196943
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-13429
<FILM-NUMBER>031008866
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>4120 DUBLILN BLVD STE 400
<CITY>DUBLIN
<STATE>CA
<ZIP>94568
<PHONE>9255609000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>4120 DUBLIN BLVD STE 400
<CITY>DUBLIN
<STATE>CA
<ZIP>94568
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a03-5550_18k.htm
<DESCRIPTION>8-K
<TEXT>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES<br>
SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington,
D.C. 20549</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM 8-K</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT<br>
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report (Date of
earliest event reported):&#160; <b><font style="font-weight:bold;">November 14,
2003</font></b></font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Simpson Manufacturing Co., Inc.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant
as specified in its charter)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware</font></b></p>
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  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="20%" valign="top" style="padding:0in 0in 0in 0in;width:20.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">0-23804</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="20%" valign="top" style="padding:0in 0in 0in 0in;width:20.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">94-3196943</font></b></p>
  </td>
 </tr>
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  <td width="20%" valign="top" style="padding:0in 0in 0in 0in;width:20.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other
  jurisdiction<br>
  of incorporation)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="20%" valign="top" style="padding:0in 0in 0in 0in;width:20.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission<br>
  file number)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="20%" valign="top" style="padding:0in 0in 0in 0in;width:20.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer<br>
  Identification No.)</font></p>
  </td>
 </tr>
</table>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">4120 Dublin Boulevard, Suite 400, Dublin, CA 94568</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of principal
executive offices)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s telephone
number, including area code):&#160; <b><font style="font-weight:bold;">(925)
560-9000</font></b></font></p>

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<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 5.
Other Events and Regulation FD Disclosure.</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On November 17, 2003, Simpson Manufacturing Co., Inc.
announced the resignation of Sunne Wright McPeak from its Board of Directors in
a press release reproduced below:</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PRESS RELEASE &#150; November 17, 2003</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SIMPSON MANUFACTURING
CO., INC. ANNOUNCES THE</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">RESIGNATION OF SUNNE
WRIGHT McPEAK FROM ITS BOARD OF DIRECTORS</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dublin, CA &#151; Simpson Manufacturing Co., Inc. (the &#147;Company&#148;) announced
today that Director Sunne Wright McPeak, has resigned from the Company&#146;s Board
of Directors (&#147;Board&#148;) because of her appointment as California Secretary of
Business, Transportation and Housing. &#160;Her resignation was effective on November 14, 2003.&#160; Ms. McPeak has served on the Company&#146;s Board
since 1994 and was a member of the Audit and Compensation Committees. The Company
and especially its Board Chairman, thank Ms. McPeak for her outstanding contributions
and her presence during her service on the Board and its committees.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Simpson Manufacturing Co., Inc., headquartered in Dublin, California,
through its subsidiary, Simpson Strong-Tie Company Inc., designs, engineers and
is a leading manufacturer of wood-to-wood, wood-to-concrete and wood-to-masonry
connectors and pre-fabricated shearwalls. Simpson Strong-Tie also offers a full
line of adhesives, mechanical anchors and powder actuated tools for concrete,
masonry and steel. The Company&#146;s other subsidiary, Simpson Dura-Vent Company,
Inc., designs, engineers and manufactures venting systems for gas and wood
burning appliances. The Company&#146;s common stock trades on the New York Stock
Exchange under the symbol &#147;SSD.&#148;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">For further information, contact Barclay Simpson at (925) 560-9032.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>


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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.8%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="27%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:27.74%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Simpson
  Manufacturing Co., Inc.</font></b></p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
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  <td width="50%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:50.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.8%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="27%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:27.74%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant)</font></p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="50%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:50.6%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.8%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="27%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:27.74%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="50%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:50.6%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.8%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="27%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:27.74%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="7%" valign="top" style="padding:0in 0in 0in 0in;width:7.4%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">DATE:</font></b></p>
  </td>
  <td width="17%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:17.14%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">November 17, 2003</font></p>
  </td>
  <td width="26%" valign="top" style="padding:0in 0in 0in 0in;width:26.06%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.8%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By</font></p>
  </td>
  <td width="27%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:27.74%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/Michael J. Herbert</font></p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="50%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:50.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="6%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:6.9%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="24%" valign="top" style="padding:0in 0in 0in 0in;width:24.64%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Michael J. Herbert</font></p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="50%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:50.6%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="6%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:6.9%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="24%" valign="top" style="padding:0in 0in 0in 0in;width:24.64%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Financial Officer</font></p>
  </td>
  <td width="17%" valign="top" style="padding:0in 0in 0in 0in;width:17.86%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>


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