<SUBMISSION>
<ACCESSION-NUMBER>0001047469-03-031866
<TYPE>S-8
<PUBLIC-DOCUMENT-COUNT>3
<FILING-DATE>20030926
<EFFECTIVENESS-DATE>20030926
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CERUS CORP
<CIK>0001020214
<ASSIGNED-SIC>2836
<IRS-NUMBER>680262011
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>S-8
<ACT>33
<FILE-NUMBER>333-109170
<FILM-NUMBER>03912911
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>2411 STANWELL DR
<CITY>CONCORD
<STATE>CA
<ZIP>94520
<PHONE>9252886000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2525 STANWELL DRIVE
<STREET2>STE 300
<CITY>CONCORD
<STATE>CA
<ZIP>94520
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>CERUS TECHNOLOGIES INC
<DATE-CHANGED>19960731
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>a2119395zs-8.htm
<DESCRIPTION>FORM S-8
<TEXT>
<HTML>
<HEAD>

</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>

<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;">As filed with the
Securities and Exchange Commission on September 26, 2003</font></p>

<p align="right" style="margin:0in 0in 6.0pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registration No. 333-&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
</font></p>

<div style="border:none;border-top:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p align="left" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:left;"><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;"><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 6.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Washington, D.C. 20549</font></p>


<div align="center" style="margin:0in 0in 6.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="1" width="25%" noshade color="black" align="center">

</font></div>


<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 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;">REGISTRATION
STATEMENT</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;">UNDER</font></p>

<p align="center" style="margin:0in 0in 6.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">THE SECURITIES ACT OF 1933</font></p>


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

<hr size="1" width="25%" noshade color="black" align="center">

</font></div>


<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="4" face="Times New Roman" style="font-size:14.0pt;font-weight:bold;">CERUS
CORPORATION</font></b></p>

<p align="center" style="margin:0in 0in 6.0pt;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>


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

<hr size="1" width="25%" noshade color="black" align="center">

</font></div>


<table border="0" cellspacing="0" cellpadding="0" width="101%" style="border-collapse:collapse;width:101.08%;">
 <tr>
  <td width="30%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:30.94%;">
  <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;text-transform:uppercase;">Delaware</font></b><font size="2" style="font-size:10.0pt;"> </font></p>
  </td>
  <td width="37%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:37.36%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="31%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:31.68%;">
  <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;text-transform:uppercase;">68-0262011</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="30%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:30.94%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State of
  Incorporation)</font></p>
  </td>
  <td width="37%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:37.36%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="31%" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:31.68%;">
  <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
  Identification No.)</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;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;text-transform:uppercase;">2411 Stanwell Drive</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;text-transform:uppercase;">Concord, California 94520</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;">&#160;(Address of
principal executive offices)</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;"><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;text-transform:uppercase;">1999 EQUITY INCENTIVE PLAN</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;text-transform:uppercase;">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;">&#160;(Full title of
the plans)</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;"><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;text-transform:uppercase;">STEPHEN T. ISAACS</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;text-transform:uppercase;">PRESIDENT AND CHIEF EXECUTIVE OFFICER</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;text-transform:uppercase;">CERUS CORPORATION</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;text-transform:uppercase;">2411 STANWELL DRIVE</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;text-transform:uppercase;">CONCORD, CALIFORNIA 94520</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;text-transform:uppercase;">(925) 288-6000</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="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


<div align="center" style="margin:0in 0in 6.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="1" width="25%" noshade color="black" align="center">

</font></div>


<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Copies to:</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;text-transform:uppercase;">ROBERT L. JONES, ESQ.</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;text-transform:uppercase;">JAMIE E. CHUNG, ESQ.</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;text-transform:uppercase;">COOLEY GODWARD LLP</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;text-transform:uppercase;">3175 HANOVER STREET</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;text-transform:uppercase;">PALO ALTO, CALIFORNIA 94304</font></b></p>

<p align="center" style="margin:0in 0in 6.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;text-transform:uppercase;">(650) 843-5000</font></b></p>


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

<hr size="1" width="25%" noshade color="black" align="center">

</font></div>


<p align="center" style="margin:6.0pt 0in;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>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="32%" valign="bottom" style="border-bottom:solid windowtext .5pt;border-left:none;border-right:none;border-top:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:32.56%;">
  <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;">Title of Securities 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;">be Registered</font></b></p>
  </td>
  <td width="13%" valign="bottom" style="border-bottom:solid windowtext .5pt;border-left:none;border-right:none;border-top:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:13.14%;">
  <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;">Amount to be</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;">Registered(1)</font></b></p>
  </td>
  <td width="19%" valign="bottom" style="border-bottom:solid windowtext .5pt;border-left:none;border-right:none;border-top:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <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;">Proposed Maximum</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;">Offering Price</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;">Per Share (2)</font></b></p>
  </td>
  <td width="19%" valign="bottom" style="border-bottom:solid windowtext .5pt;border-left:none;border-right:none;border-top:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <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;">Proposed Maximum</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;">Aggregate Offering</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;">Price (2)</font></b></p>
  </td>
  <td width="15%" valign="bottom" style="border-bottom:solid windowtext .5pt;border-left:none;border-right:none;border-top:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:15.68%;">
  <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;">Amount of</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;">Registration Fee</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="32%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:32.56%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shares of Common
  Stock, par value $.001 per share, reserved for future issuance under the 1999
  Equity Incentive Plan</font></p>
  </td>
  <td width="13%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:13.14%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">700,000</font></p>
  </td>
  <td width="19%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$5.14</font></p>
  </td>
  <td width="19%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$3,598,000.00</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:15.68%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$291.08</font></p>
  </td>
 </tr>
 <tr>
  <td width="32%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:32.56%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shares of Common
  Stock, par value $.001 per share, reserved for future issuance under the
  Employee Stock Purchase Plan</font></p>
  </td>
  <td width="13%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:13.14%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">100,000</font></p>
  </td>
  <td width="19%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$5.14</font></p>
  </td>
  <td width="19%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$514,000.00</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:15.68%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$41.58</font></p>
  </td>
 </tr>
 <tr>
  <td width="32%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:32.56%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Total</font></p>
  </td>
  <td width="13%" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:13.14%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">800,000</font></p>
  </td>
  <td width="19%" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$5.14</font></p>
  </td>
  <td width="19%" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:19.32%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$4,112,000.00</font></p>
  </td>
  <td width="15%" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:15.68%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$332.66</font></p>
  </td>
 </tr>
</table>

</div>

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

<p align="left" style="margin:0in 0in 12.0pt .5in;text-align:left;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">This Registration Statement shall cover
any additional shares of Common Stock which become issuable under the 1999
Equity Incentive Plan (the &#147;Incentive Plan&#148;) and Employee Stock Purchase Plan
(the &#147;Purchase Plan&#148;) (the Incentive Plan and Purchase Plan being hereinafter
collectively referred to as the &#147;Plans&#148;) set forth herein by reason of any
stock dividend, stock split, recapitalization or any other similar transaction
without receipt of consideration which results in an increase in the number of
shares of the outstanding Common Stock of Cerus Corporation (the &#147;Company&#148; or
&#147;Registrant&#148;).</font></p>

<p align="left" style="margin:0in 0in 6.0pt .5in;text-align:left;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Estimated solely for the purpose of
calculating the amount of the registration fee.&#160; The offering price per share and aggregate offering price are
based upon the average of the high and low prices of the Company&#146;s Common Stock
as reported on the Nasdaq National Market on September 22, 2003 for shares
available for future grant pursuant to the Plans (pursuant to Rule 457(c) under
the Act).</font></p>

<div style="border:none;border-bottom:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p align="left" style="border:none;margin:0in 0in .0001pt .5in;padding:0in;text-align:left;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>


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

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:12.0pt;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;">INCORPORATION BY REFERENCE OF
CONTENTS OF</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;">REGISTRATION STATEMENTS ON FORM S-8</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;">NOS. 333-74991, 333-84497, 333-42588,
333-63132 and 333-92254</font></b></p>

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

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

<p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The contents of Registration Statements on Form&nbsp;S-8
Nos.&nbsp;333-74991, 333-84497, 333-42588, 333-63132 and 333-92254 filed with
the Securities and Exchange Commission on March 24, 1999, August 4, 1999, July
28, 2000, June 15, 2001 and July 11, 2002, respectively, are incorporated by
reference herein.</font></p>

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

<p align="center" style="margin:0in 0in 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXHIBITS</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <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;">Exhibit</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <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;">Number</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="border:none;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font></p>
  </td>
  <td width="2%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of
  Cooley Godward <font style="text-transform:uppercase;">llp.</font></font></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Ernst
  &amp; Young <font style="text-transform:uppercase;">llp</font>, Independent
  Auditors.</font></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="2%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of
  Cooley Godward <font style="text-transform:uppercase;">llp</font> is contained
  in Exhibit&nbsp;5.1 to this Registration Statement.</font></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Power of
  Attorney is contained on the signature pages.</font></p>
  </td>
 </tr>
</table>

<p align="left" style="margin:0in 0in .0001pt 1.0in;text-align:left;text-indent:-1.0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="margin:0in 0in .0001pt 1.0in;text-align:left;text-indent:-1.0in;"><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;">2</font></p>


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

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
<!-- ZEQ.=1,SEQ=2,EFW="2119395",CP="CERUS CORPORATION",DN="1",CHK=898627,FOLIO='2',FILE="DISK006:[03PAL9.03PAL1729.EDGAR]S-8_1729.CHC",USER="DNICHOL",CD='Sep 26 00:37 2003' -->
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<p align="center" style="font-size:12.0pt;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 align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;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, as amended,
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 Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Concord, State of California, on
September 26, 2003.</font></p>

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

<p align="left" style="margin:0in 0in .0001pt;text-align:left;"><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="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="320" colspan="3" valign="bottom" style="padding:0in 0in 0in 0in;width:239.95pt;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CERUS CORPORATION</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="35" valign="bottom" style="padding:0in 0in 0in 0in;width:26.0pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="285" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:213.95pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="35" valign="bottom" style="padding:0in 0in 0in 0in;width:26.0pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="285" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:213.95pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in 12.0pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="35" valign="bottom" style="padding:0in 0in 0in 0in;width:26.0pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in 12.0pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="285" colspan="2" valign="bottom" style="padding:0in 0in 0in 0in;width:213.95pt;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in 12.0pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="35" valign="bottom" style="padding:0in 0in 0in 0in;width:26.0pt;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="285" colspan="2" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:213.95pt;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Gregory W.
  Schafer</font></p>
  </td>
 </tr>
 <tr>
  <td width="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="35" valign="bottom" style="padding:0in 0in 0in 0in;width:26.0pt;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="285" colspan="2" valign="bottom" style="border:none;padding:0in 0in 0in 0in;width:213.95pt;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Gregory W.
  Schafer</font></p>
  </td>
 </tr>
 <tr>
  <td width="296" valign="top" style="padding:0in 5.4pt 0in 5.4pt;width:221.85pt;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="35" valign="bottom" style="padding:0in 0in 0in 0in;width:26.0pt;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="30" valign="top" style="padding:0in 0in 0in 0in;width:22.6pt;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>
  </td>
  <td width="255" valign="top" style="padding:0in 0in 0in 0in;width:191.35pt;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice President,
  Finance and Chief Financial Officer</font></p>
  </td>
 </tr>
</table>

<p align="left" style="margin:0in 0in 12.0pt;text-align:left;"><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;">POWER OF ATTORNEY</font></b></p>

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

<p align="left" style="margin:0in 0in 12.0pt;text-align:left;text-indent:.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">KNOW
ALL PERSONS BY THESE PRESENTS</font></b><font size="2" style="font-size:10.0pt;">, that each person whose signature appears below
constitutes and appoints Stephen T. Isaacs and Gregory W. Schafer, and each or
any one of them, his or her true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him or her and in his or her
name, place and stead, in any and all capacities, to sign any and all
amendments (including post-effective amendments) to this Registration Statement,
and to file the same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents, and each of them, full power and
authority to do and perform each and every act and thing requisite and
necessary to be done in connection therewith, as fully to all intents and
purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, or any of them, or their
or his or her substitutes or substitute, may lawfully do or cause to be done by
virtue hereof.</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;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, as amended,
this Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;"><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="35%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <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;">Signature</font></b></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="37%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:37.9%;">
  <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;">Title</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="18%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:18.22%;">
  <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;">Date</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="bottom" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="37%" valign="bottom" style="border:none;padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="18%" valign="bottom" style="border:none;padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Stephen T.
  Isaacs</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">President, Chief
  Executive Officer </font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Stephen T.
  Isaacs)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">and Director
  (Principal Executive</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Officer)</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Gregory W.
  Schafer </font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice President,
  Finance and Chief&#160; </font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Gregory W.
  Schafer)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Financial
  Officer (Principal Financial</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">and Accounting
  Officer)</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Timothy B.
  Anderson</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#160;(Timothy B. Anderson)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ B.J. Cassin</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#160;(B.J. Cassin)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Laurence M.
  Corash</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Laurence M.
  Corash)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Bruce C.
  Cozadd</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Bruce C.
  Cozadd)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ C. Raymond
  Larkin, Jr.</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 26,
  2003</font></p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(C. Raymond
  Larkin, Jr.)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="35%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:35.04%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(William R.
  Rohn)</font></p>
  </td>
  <td width="5%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:5.0%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="37%" valign="top" style="padding:0in .7pt 0in .7pt;width:37.9%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.84%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="18%" valign="top" style="padding:0in .7pt 0in .7pt;width:18.22%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
</table>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;"><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;">3</font></p>


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

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

<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;">&nbsp;</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <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;">Exhibit</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
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  <td width="9%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <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;">Number</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="center" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <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;">Description</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="border:none;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="border:none;padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font></p>
  </td>
  <td width="2%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of
  Cooley Godward <font style="text-transform:uppercase;">llp.</font></font></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Ernst
  &amp; Young <font style="text-transform:uppercase;">llp</font>, Independent
  Auditors.</font></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="2%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" bgcolor="#cceeff" style="background:#CCEEFF;padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of
  Cooley Godward <font style="text-transform:uppercase;">llp</font> is contained
  in Exhibit&nbsp;5.1 to this Registration Statement.</font></p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="font-size:12.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="9%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:9.94%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:2.52%;">
  <p align="left" style="font-size:1.0pt;margin:0in 0in .0001pt;text-align:left;">&nbsp;</p>
  </td>
  <td width="87%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:87.54%;">
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Power of
  Attorney is contained on the signature pages.</font></p>
  </td>
 </tr>
</table>

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

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


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<TYPE>EX-5.1
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<DESCRIPTION>EXHIBIT 5.1
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 5.1</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;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September
26, 2003</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;">&nbsp;</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;">Cerus
Corporation</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2525
Stanwell Drive, Suite 300</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Concord,
CA 94520</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;">&nbsp;</font></p>

<p style="margin:0in 0in 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Ladies and Gentlemen:</font></p>

<p style="margin:0in 0in 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">You have requested our opinion with respect to certain matters in
connection with the filing by Cerus Corporation (the &#147;Company&#148;) of a
Registration Statement on Form&nbsp;S-8 (the &#147;Registration Statement&#148;) with the
Securities and Exchange Commission covering the offering of up to 800,000
shares of the Company&#146;s Common Stock, $.001 par value per share, (the &#147;Shares&#148;)
pursuant to its 1999 Equity Incentive Plan (the &#147;Incentive Plan&#148;) and Employee
Stock Purchase Plan (the &#147;Purchase Plan&#148;) (the Incentive Plan and Purchase Plan
being hereinafter collectively referred to as the &#147;Plans&#148;).</font></p>

<p style="margin:0in 0in 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In connection with this opinion, we have examined the Registration
Statement and related Prospectuses, your Certificate of Incorporation and
By-laws, as amended and restated, and such other documents, records,
certificates, memoranda and other instruments as we deem necessary as a basis
for this opinion.&#160; We have assumed the
genuineness and authenticity of all documents submitted to us as originals, the
conformity to originals of all documents submitted to us as copies thereof, and
the due execution and delivery of all documents where due execution and
delivery are a prerequisite to the effectiveness thereof.</font></p>

<p style="margin:0in 0in 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On the basis of the foregoing, and in reliance thereon, we are of the
opinion that the Shares, when sold and issued in accordance with the Plans, the
Registration Statement and related Prospectuses, will be validly issued, fully
paid, and nonassessable (except as to shares issued pursuant to certain
deferred payment arrangements, which will be fully paid and nonassessable when
such deferred payments are made in full).</font></p>

<p style="margin:0in 0in 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We consent to the filing of this opinion as an exhibit to the
Registration Statement.</font></p>

<p style="margin:0in 0in 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Very truly yours,</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Cooley
Godward <font style="text-transform:uppercase;">llp</font></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;">&nbsp;</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="5%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:5.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="42%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt;width:42.72%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/
  Jamie E. Chung</font></p>
  </td>
  <td width="51%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:51.84%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:5.44%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="42%" valign="bottom" style="border:none;padding:0in 5.4pt 0in 5.4pt;width:42.72%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jamie
  E. Chung</font></p>
  </td>
  <td width="51%" valign="bottom" style="padding:0in 5.4pt 0in 5.4pt;width:51.84%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</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>


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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 23.1</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="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CONSENT OF ERNST &amp; YOUNG LLP,
INDEPENDENT AUDITORS</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;">We consent to the incorporation by reference
in the Registration Statements (Form&nbsp;S-8 Nos. 333-74991, 333-84497,
333-42588, 333-63132 and 333-92254) pertaining to the 1996 Equity Incentive Plan,
Employee Stock Purchase Plan, 1998 Non-Officer Stock Option Plan and the 1999
Equity Incentive Plan, of Cerus Corporation of our report dated
January&nbsp;30, 2003 with respect to the financial statements of Cerus
Corporation included in its Annual Report (Form&nbsp;10-K) for the year ended
December&nbsp;31, 2002, filed with the Securities and Exchange Commission.</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;">/s/&#160;
Ernst &amp; Young LLP</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;">Palo Alto, California</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 24, 2003</font></p>

</div>


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