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

<p style="font-weight:bold;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">As filed with the Securities and Exchange
Commission on January&nbsp;16, 2008</font></b></p>

<p style="font-weight:bold;margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registration No.&nbsp;333-11757</font></b></p>

<p style="font-weight:bold;margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></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;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">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>

<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></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;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">POST-EFFECTIVE AMENDMENT NO. 1 TO</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;">&nbsp;</font></b></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&nbsp;S-8</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;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">REGISTRATION STATEMENT</font></b></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;">UNDER</font></b></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;">THE SECURITIES ACT OF 1933</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>

<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></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;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">TETRA TECH, 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 style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <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;">Delaware</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <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;">95-4148514</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <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
  of</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer
  Identification&nbsp;No.)</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">incorporation or
  organization)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

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<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;">3475 E. Foothill Boulevard,
Pasadena, CA 9ll07</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;">(626) 351-4664</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, including zip code of
principal executive offices)</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;">TETRA TECH, INC.</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;">EMPLOYEE STOCK PURCHASE
PLAN</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;">(Full title of the plan)</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;">Janis B. Salin</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;">Vice President and General
Counsel</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;">TETRA TECH, INC.</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;">3475 E. Foothill Boulevard,
Pasadena, CA 91107</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;">(626) 351-4664</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;">(Name, address, including zip code, and
telephone number, including area code, of agent for service)</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;">CALCULATION OF REGISTRATION FEE</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>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="23%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:23.36%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Title of each class of</font></b><font size="1" style="font-size:8.0pt;"><br>
  <b>securities to be</b><br>
  <b>registered</b></font></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="17%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:17.56%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Amount</font></b><font size="1" style="font-size:8.0pt;"><br>
  <b>to be</b><br>
  <b>Registered(1)(2)</b></font></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.64%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="17%" colspan="2" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:17.12%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Proposed</font></b><font size="1" style="font-size:8.0pt;"><br>
  <b>Maximum</b><br>
  <b>Offering Price</b><br>
  <b>Per Share(3)</b></font></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.9%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="16%" colspan="2" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:16.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Proposed</font></b><font size="1" style="font-size:8.0pt;"><br>
  <b>Maximum</b><br>
  <b>Aggregate</b><br>
  <b>Offering Price(3)</b></font></p>
  </td>
  <td width="1%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.76%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="16%" colspan="2" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:16.46%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Amount of</font></b><font size="1" style="font-size:8.0pt;"><br>
  <b>Registration</b><br>
  <b>Fee</b></font></p>
  </td>
 </tr>
 <tr>
  <td width="23%" valign="top" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:23.36%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Common Stock, $.01 par value</font></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="17%" valign="top" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:17.56%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,000,000 shares</font></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.64%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:15.88%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">19.47</font></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.9%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.18%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:15.04%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">38,940,000</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.16%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:15.3%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1,530.34</font></p>
  </td>
 </tr>
 <tr height="0">
  <td width="175" style="border:none;"></td>
  <td width="15" style="border:none;"></td>
  <td width="131" style="border:none;"></td>
  <td width="20" style="border:none;"></td>
  <td width="9" style="border:none;"></td>
  <td width="119" style="border:none;"></td>
  <td width="22" style="border:none;"></td>
  <td width="9" style="border:none;"></td>
  <td width="112" style="border:none;"></td>
  <td width="13" style="border:none;"></td>
  <td width="9" style="border:none;"></td>
  <td width="114" style="border:none;"></td>
 </tr>
</table>

</div>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Together with an indeterminate number of additional shares that may be
necessary to adjust the number of shares reserved for issuance pursuant to the
Employee Stock Purchase Plan (the &#147;ESPP&#148;) as a result of stock splits, stock
dividends or similar adjustments of the outstanding common stock.</p>

<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>The securities registered hereby represent an
addition to the 2,373,290 shares of common stock issuable under the ESPP (as
adjusted for stock splits), the offer and sale of which were previously
registered pursuant to this Registration Statement.</p>

<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Estimated solely for the purpose of calculating the registration fee
pursuant to Rule&nbsp;457(h)&nbsp;under the Securities Act of 1933, as amended,
based upon the last sales price for the registrant&#146;s common stock as reported
on the NASDAQ Global Select Market on January&nbsp;15, 2008.</p>

<div style="border:none;border-bottom:double windowtext 6.0pt;padding:0in 0in 0in 0in;">

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

</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>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='',FILE='C:\JMS\lrichar\08-1544-1\task2620028\1544-1-ba.htm',USER='lrichar',CD='Jan 16 12:07 2008' -->


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<div style="font-family:Times New Roman;">

<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;">EXPLANATORY
NOTE</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 style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman"><font style="font-size:10.0pt;">On
September&nbsp;11, 1996, Tetra Tech,&nbsp;Inc., a Delaware corporation (the &#147;Company&#148;),
filed a Registration Statement&nbsp;(</font>333-11757) in accordance with the
requirements of Form&nbsp;S-8 under the Securities Act of 1933, as amended, to
register 2,373,290 shares of its common stock (as adjusted for subsequent stock
splits) which had been authorized and reserved for issuance under the
ESPP.&#160; This Post-Effective Amendment will
register an additional 2,000,000 shares of common stock to be included in the
ESPP.</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;">PART&nbsp;II</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;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</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 style="font-size:10.0pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 8.</font></b><b><font size="1" style="font-size:8.5pt;font-weight:bold;">&#160;&#160;&#160; </font>Exhibits.</b></p>

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

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="31" valign="top" style="padding:0in 0in 0in 0in;width:23.4pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font></p>
  </td>
  <td width="19" valign="top" style="padding:0in 0in 0in 0in;width:13.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Employee Stock Purchase
  Plan (incorporated by reference to the Company&#146;s Proxy Statement for its 2007
  Annual Meeting of Stockholders held on March&nbsp;1, 2007).</font></p>
  </td>
 </tr>
 <tr>
  <td width="50" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:37.35pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="31" valign="top" style="padding:0in 0in 0in 0in;width:23.4pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font></p>
  </td>
  <td width="19" valign="top" style="padding:0in 0in 0in 0in;width:13.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of Janis B.
  Salin, Vice President and General Counsel of the Registrant.*</font></p>
  </td>
 </tr>
 <tr>
  <td width="50" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:37.35pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="31" valign="top" style="padding:0in 0in 0in 0in;width:23.4pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="19" valign="top" style="padding:0in 0in 0in 0in;width:13.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Independent
  Registered Public Accounting Firm, PricewaterhouseCoopers LLP*</font></p>
  </td>
 </tr>
 <tr>
  <td width="50" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:37.35pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="31" valign="top" style="padding:0in 0in 0in 0in;width:23.4pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="19" valign="top" style="padding:0in 0in 0in 0in;width:13.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="670" valign="top" style="padding:0in 0in 0in 0in;width:502.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Counsel
  (included in Exhibit&nbsp;5.1).*</font></p>
  </td>
 </tr>
</table>

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

<div style="margin:0in 0in .0001pt;"><hr size="1" width="25%" noshade color="black" align="left"></div>

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

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='II-2',FILE='C:\JMS\lrichar\08-1544-1\task2620028\1544-1-ba.htm',USER='lrichar',CD='Jan 16 12:07 2008' -->


<br clear="all" style="page-break-before:always;">


<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;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</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 style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the
requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for
filing on Form&nbsp;S-8 and has duly caused this post-effective Amendment No.1
to Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Pasadena, State of California, on
this 9<sup>th</sup> day of January, 2008.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:35.0pt;"><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%;">
 <tr>
  <td width="382" valign="top" style="padding:0in 0in 0in 0in;width:286.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="338" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:253.35pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">TETRA TECH, INC.</font></p>
  </td>
 </tr>
 <tr>
  <td width="382" valign="top" style="padding:0in 0in 0in 0in;width:286.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="338" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:253.35pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="382" valign="top" style="padding:0in 0in 0in 0in;width:286.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="338" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:253.35pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="382" valign="top" style="padding:0in 0in 0in 0in;width:286.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="28" valign="top" style="padding:0in 0in 0in 0in;width:21.15pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="310" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:232.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;/s/ Dan L. Batrack</font></p>
  </td>
 </tr>
 <tr>
  <td width="382" valign="top" style="padding:0in 0in 0in 0in;width:286.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="28" valign="top" style="padding:0in 0in 0in 0in;width:21.15pt;">
  <p style="margin:0in 0in .0001pt 30.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="310" valign="top" style="padding:0in 0in 0in 0in;width:232.2pt;">
  <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dan L. Batrack</font></p>
  </td>
 </tr>
 <tr>
  <td width="382" valign="top" style="padding:0in 0in 0in 0in;width:286.65pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="28" valign="top" style="padding:0in 0in 0in 0in;width:21.15pt;">
  <p style="margin:0in 0in .0001pt 30.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="310" valign="top" style="padding:0in 0in 0in 0in;width:232.2pt;">
  <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Executive Officer</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt 272.15pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt 272.15pt;"><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;">Pursuant to the
requirements of the Securities Act of 1933, this Registration Statement has
been signed by the following persons in the capacities and on the dates
indicated.</font></p>

<p style="margin:0in 0in .0001pt;"><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%;">
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;letter-spacing:-.1pt;">Signature</font></b></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="250" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:187.4pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Title</font></b></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:-.1pt;">&nbsp;</font></b></p>
  </td>
  <td width="154" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;letter-spacing:-.1pt;">Date</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <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;letter-spacing:-.1pt;">&nbsp;</font></b></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <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;">&nbsp;</font></b></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:-.1pt;">&nbsp;</font></b></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <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;letter-spacing:-.1pt;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman"><font style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ ALBERT E. SMITH</font> </font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Chairman of the Board</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January 9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Albert E. Smith</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ DAN L.
  BATRACK</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Chief Executive Officer</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Dan L.
  Batrack</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">(Principal Executive Officer)</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ DAVID W. KING</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Executive Vice President, Chief Financial
  Officer and Treasurer</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:10.0pt 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9,
  2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">David W. King</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">(Principal Financial and Accounting Officer)</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ DAN L.
  BATRACK</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Director</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Dan L.
  Batrack</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ J. CHRISTOPHER LEWIS</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Director</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">J. Christopher Lewis</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ PATRICK C. HADEN</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Director</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Patrick C. Haden</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ HUGH M. GRANT</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Director</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Hugh M. Grant</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ RICHARD H. TRULY</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Director</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Richard H. Truly</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">/s/ J. KENNETH THOMPSON</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Director</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">January&nbsp;9, 2008</font></p>
  </td>
 </tr>
 <tr>
  <td width="279" valign="top" style="border:none;padding:0in 0in 0in 0in;width:209.2pt;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">J. Kenneth Thompson</font></p>
  </td>
  <td width="16" valign="bottom" style="padding:0in 0in 0in 0in;width:12.0pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="250" valign="top" style="padding:0in 0in 0in 0in;width:187.4pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="22" valign="bottom" style="padding:0in 0in 0in 0in;width:16.2pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="154" valign="top" style="padding:0in 0in 0in 0in;width:1.6in;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<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;">II-3</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='II-3',FILE='C:\JMS\lrichar\08-1544-1\task2620028\1544-1-ba.htm',USER='lrichar',CD='Jan 16 12:07 2008' -->


<br clear="all" style="page-break-before:always;">


<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;">EXHIBIT INDEX</font></p>

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

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Employee Stock Purchase
  Plan (incorporated by reference to the Company&#146;s Proxy Statement for its 2007
  Annual Meeting of Stockholders held on March&nbsp;1, 2007).</font></p>
  </td>
 </tr>
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of Janis B.
  Salin, Vice President and General Counsel of the Registrant.*</font></p>
  </td>
 </tr>
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Independent
  Registered Public Accounting Firm, PricewaterhouseCoopers LLP*</font></p>
  </td>
 </tr>
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="32" valign="top" style="padding:0in 0in 0in 0in;width:24.0pt;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="20" valign="top" style="padding:0in 0in 0in 0in;width:15.05pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="668" valign="top" style="padding:0in 0in 0in 0in;width:500.95pt;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Counsel
  (included in Exhibit&nbsp;5.1).*</font></p>
  </td>
 </tr>
</table>

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

<div style="margin:0in 0in .0001pt;"><hr size="1" width="25%" noshade color="black" align="left"></div>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*Filed herewith</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;">II-4</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='II-4',FILE='C:\JMS\lrichar\08-1544-1\task2620028\1544-1-ba.htm',USER='lrichar',CD='Jan 16 12:07 2008' -->


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</html>
[{"type": "S-8", "sequence": "1", "filename": "a08-1544_1s8.htm", "description": "S-8", "secsgml_size_bytes": 75949}]
{"company-data": {"conformed-name": "TETRA TECH INC", "cik": "0000831641", "assigned-sic": "8711", "irs-number": "954148514", "state-of-incorporation": "DE", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-148712", "film-number": "08534460"}, "business-address": {"street1": "3475 EAST FOOTHILL BOULEVARD", "city": "PASADENA", "state": "CA", "zip": "91107", "phone": "6263514664"}, "mail-address": {"street1": "3475 EAST FOOTHILL BOULEVARD", "city": "PASADENA", "state": "CA", "zip": "91107"}}
As filed with the Securities and Exchange
Commission on January 16, 2008
Registration No. 333-11757
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
POST-EFFECTIVE AMENDMENT NO. 1 TO
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
TETRA TECH, INC.
(Exact name of registrant as
specified in its charter)
Delaware
95-4148514
(State or other jurisdiction
  of
(IRS Employer
  Identification No.)
incorporation or
  organization)
3475 E. Foothill Boulevard,
Pasadena, CA 9ll07
(626) 351-4664
(Address, including zip code of
principal executive offices)
TETRA TECH, INC.
EMPLOYEE STOCK PURCHASE
PLAN
(Full title of the plan)
Janis B. Salin
Vice President and General
Counsel
TETRA TECH, INC.
3475 E. Foothill Boulevard,
Pasadena, CA 91107
(626) 351-4664
(Name, address, including zip code, and
telephone number, including area code, of agent for service)
CALCULATION OF REGISTRATION FEE
Title of each class of
securities to be
registered
Amount
to be
Registered(1)(2)
Proposed
Maximum
Offering Price
Per Share(3)
Proposed
Maximum
Aggregate
Offering Price(3)
Amount of
Registration
Fee
Common Stock, $.01 par value
2,000,000 shares
$
19.47
$
38,940,000
$
1,530.34
(1)
Together with an indeterminate number of additional shares that may be
necessary to adjust the number of shares reserved for issuance pursuant to the
Employee Stock Purchase Plan (the "ESPP") as a result of stock splits, stock
dividends or similar adjustments of the outstanding common stock.
(2)
The securities registered hereby represent an
addition to the 2,373,290 shares of common stock issuable under the ESPP (as
adjusted for stock splits), the offer and sale of which were previously
registered pursuant to this Registration Statement.
(3)
Estimated solely for the purpose of calculating the registration fee
pursuant to Rule 457(h) under the Securities Act of 1933, as amended,
based upon the last sales price for the registrant's common stock as reported
on the NASDAQ Global Select Market on January 15, 2008.
EXPLANATORY
NOTE
On
September 11, 1996, Tetra Tech, Inc., a Delaware corporation (the "Company"),
filed a Registration Statement (
333-11757) in accordance with the
requirements of Form S-8 under the Securities Act of 1933, as amended, to
register 2,373,290 shares of its common stock (as adjusted for subsequent stock
splits) which had been authorized and reserved for issuance under the
ESPP.  This Post-Effective Amendment will
register an additional 2,000,000 shares of common stock to be included in the
ESPP.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8.
Exhibits.
4.1
Employee Stock Purchase
  Plan (incorporated by reference to the Company's Proxy Statement for its 2007
  Annual Meeting of Stockholders held on March 1, 2007).
5.1
Opinion of Janis B.
  Salin, Vice President and General Counsel of the Registrant.*
23.1
Consent of Independent
  Registered Public Accounting Firm, PricewaterhouseCoopers LLP*
23.2
Consent of Counsel
  (included in Exhibit 5.1).*
*Filed herewith
II-2
SIGNATURES
Pursuant to the
requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for
filing on Form S-8 and has duly caused this post-effective Amendment No.1
to Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Pasadena, State of California, on
this 9
th
day of January, 2008.
TETRA TECH, INC.
By:
/s/ Dan L. Batrack
Dan L. Batrack
Chief Executive Officer
Pursuant to the
requirements of the Securities Act of 1933, this Registration Statement has
been signed by the following persons in the capacities and on the dates
indicated.
Signature
Title
Date
/s/ ALBERT E. SMITH
Chairman of the Board
January 9, 2008
Albert E. Smith
/s/ DAN L.
  BATRACK
Chief Executive Officer
January 9, 2008
Dan L.
  Batrack
(Principal Executive Officer)
/s/ DAVID W. KING
Executive Vice President, Chief Financial
  Officer and Treasurer
January 9,
  2008
David W. King
(Principal Financial and Accounting Officer)
/s/ DAN L.
  BATRACK
Director
January 9, 2008
Dan L.
  Batrack
/s/ J. CHRISTOPHER LEWIS
Director
January 9, 2008
J. Christopher Lewis
/s/ PATRICK C. HADEN
Director
January 9, 2008
Patrick C. Haden
/s/ HUGH M. GRANT
Director
January 9, 2008
Hugh M. Grant
/s/ RICHARD H. TRULY
Director
January 9, 2008
Richard H. Truly
/s/ J. KENNETH THOMPSON
Director
January 9, 2008
J. Kenneth Thompson
II-3
EXHIBIT INDEX
4.1
Employee Stock Purchase
  Plan (incorporated by reference to the Company's Proxy Statement for its 2007
  Annual Meeting of Stockholders held on March 1, 2007).
5.1
Opinion of Janis B.
  Salin, Vice President and General Counsel of the Registrant.*
23.1
Consent of Independent
  Registered Public Accounting Firm, PricewaterhouseCoopers LLP*
23.2
Consent of Counsel
  (included in Exhibit 5.1).*
*Filed herewith
II-4