<SUBMISSION>
<ACCESSION-NUMBER>0001193125-09-178677
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>7
<PERIOD>20090819
<ITEMS>1.01
<ITEMS>9.01
<FILING-DATE>20090820
<DATE-OF-FILING-DATE-CHANGE>20090820
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CERUS CORP
<CIK>0001020214
<ASSIGNED-SIC>3841
<IRS-NUMBER>680262011
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-21937
<FILM-NUMBER>091025567
</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>8-K
<SEQUENCE>1
<FILENAME>d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML><HEAD>
<TITLE>Form 8-K</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="line-height:0px;margin-top:0px;margin-bottom:0px;border-bottom:0.5pt solid #000000">&nbsp;</P> <P
STYLE="line-height:3px;margin-top:0px;margin-bottom:2px;border-bottom:0.5pt solid #000000">&nbsp;</P> <P STYLE="margin-top:3px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>UNITED STATES </B></FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="3"><B>Washington, D.C. 20549 </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P
STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>FORM 8-K </B></FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12px;margin-bottom:0px"
ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"><B>CURRENT REPORT </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"><B>Pursuant to Section&nbsp;13 or 15(d) of the </B></FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"><B>Securities Exchange Act of 1934 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2"><B>Date of Report (Date of earliest event reported): August&nbsp;19, 2009 </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P
STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="6"><B>CERUS CORPORATION
</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(Exact name of registrant as specified in its charter) </B></FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Delaware</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>0-21937</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>68-0262011</B></FONT></TD></TR>
<TR>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(State or other jurisdiction</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="1"><B>of incorporation)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(Commission File No.)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(IRS Employer</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="1"><B>Identification No.)</B></FONT></P></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>2411 Stanwell Drive </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"
ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Concord, California 94520 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"><B>(Address of principal executive offices and zip
code) </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Registrant&#146;s telephone number, including area code: (925)&nbsp;288-6000 </B></FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions. </FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><FONT FACE="WINGDINGS">&#168;</FONT></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </FONT></TD></TR></TABLE> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><FONT FACE="WINGDINGS">&#168;</FONT></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) </FONT></TD></TR></TABLE> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><FONT FACE="WINGDINGS">&#168;</FONT></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) </FONT></TD></TR></TABLE> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><FONT FACE="WINGDINGS">&#168;</FONT></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) </FONT></TD></TR></TABLE> <P
STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="line-height:3px;margin-top:0px;margin-bottom:0px;border-bottom:0.5pt solid #000000">&nbsp;</P> <P
STYLE="line-height:3px;margin-top:0px;margin-bottom:2px;border-bottom:0.5pt solid #000000">&nbsp;</P>

<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">


<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>Item&nbsp;1.01.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B>Entry into a Material Definitive Agreement. </B></FONT></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">Cerus
Corporation (the &#147;Company&#148;) entered into a Placement Agency Agreement, dated August&nbsp;19, 2009 (the &#147;Placement Agency Agreement&#148;), with Cowen and Company, LLC (the &#147;Placement Agent&#148;) relating to the sale and issuance
by the Company to select investors (the &#147;Investors&#148;) of up to 6,000,000 units (the &#147;Units&#148;), with each Unit consisting of (i)&nbsp;one share of the Company&#146;s common stock, par value $0.001 per share (&#147;Common
Stock&#148;), and (ii)&nbsp;a warrant to purchase 0.4 of a share of Common Stock. The sale of the Units is being made pursuant to Subscription Agreements, each dated August&nbsp;19, 2009 (the &#147;Subscription Agreements&#148;), with each of the
Investors pursuant to which the Investors agreed to purchase the Units at a purchase price of $2.20 per Unit. In the aggregate, the Company would issue up to 6,000,000 shares of Common Stock (the &#147;Shares&#148;) and warrants to purchase up to
2,400,000 shares of Common Stock (the &#147;Warrants&#148;) pursuant to the terms of the Placement Agency Agreement and the related Subscription Agreements. The Warrants to be issued to each Investor would generally be exercisable for a period of
five years from the date of issuance beginning six months after the date of issuance, and would carry an exercise price of $2.90 per share. The Company anticipates raising gross proceeds of $13.2 million. The net offering proceeds to the Company
from the sale of the Units, after deducting placement agent fees and other estimated offering expenses payable by the Company (including up to $125,000 of related expenses payable to the Placement Agent), are expected to be approximately
$12.2&nbsp;million. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">The Shares, the Warrants and the shares of Common Stock issuable upon exercise of the Warrants (collectively, the
&#147;Securities&#148;) are being offered pursuant to a prospectus dated December&nbsp;17, 2008 and a prospectus supplement dated August&nbsp;19, 2009 (the &#147;Prospectus Supplement&#148;), pursuant to the Company&#146;s effective registration
statements on Form&nbsp;S-3 (Registration Nos.&nbsp;333-154842 and 333-161214). The legal opinion of Cooley Godward Kronish&nbsp;LLP relating to the Securities is filed as Exhibit&nbsp;5.1 to this Current Report on Form 8-K. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">The closing of the sale and issuance of the Units is expected to take place on or about August&nbsp;25, 2009, subject to the satisfaction of customary
closing conditions. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">The foregoing is only a brief description of the material terms of the Placement Agency Agreement, the Warrants and
the Subscription Agreements, does not purport to be a complete description of the rights and obligations of the parties thereunder and is qualified in its entirety by reference to the Placement Agency Agreement, the form of Warrant and the form of
Subscription Agreement, respectively, that are filed as Exhibits 1.1, 4.4 and 10.1 to this Current Report on Form 8-K and incorporated by reference herein. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2">On August&nbsp;20, 2009, the Company issued a press release announcing the offering described above. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. </FONT></P> <P
STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>Item&nbsp;9.01.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B>Financial Statements and Exhibits. </B></FONT></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"><B>(d) Exhibits </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">1. </FONT></P>


<p Style='page-break-before:always'>
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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD WIDTH="5%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="93%"></TD></TR>
<TR>
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="1"><B>Exhibit</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000;width:28pt"><FONT
FACE="Times New Roman" SIZE="1"><B>Number</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT FACE="Times New Roman" SIZE="1"><B>Description</B></FONT></P></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">&nbsp;&nbsp;1.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Placement Agency Agreement, dated August 19, 2009, by and between Cerus Corporation and Cowen and Company, LLC</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">&nbsp;&nbsp;4.4</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Form of Registered Direct Common Warrant</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">&nbsp;&nbsp;5.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Opinion of Cooley Godward Kronish&nbsp;LLP</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">10.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Form of Subscription Agreement</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">23.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Consent of Cooley Godward Kronish&nbsp;LLP (included as part of Exhibit&nbsp;5.1)</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">99.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Press Release, dated August 20, 2009</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">2. </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SIGNATURE </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TR>
<TD WIDTH="48%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="2%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="48%"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2"><B>CERUS CORPORATION</B></FONT></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Dated: August 20, 2009</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">/s/ Kevin D. Green</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Kevin D. Green</FONT></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Vice President, Finance and Chief Accounting Officer</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">3. </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>EXHIBIT INDEX </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD WIDTH="5%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="93%"></TD></TR>
<TR>
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="1"><B>Exhibit</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000;width:28pt"><FONT
FACE="Times New Roman" SIZE="1"><B>Number</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT FACE="Times New Roman" SIZE="1"><B>Description</B></FONT></P></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">&nbsp;&nbsp;1.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Placement Agency Agreement, dated August 19, 2009, by and between Cerus Corporation and Cowen and Company, LLC</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">&nbsp;&nbsp;4.4</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Form of Registered Direct Common Warrant</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">&nbsp;&nbsp;5.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Opinion of Cooley Godward Kronish LLP</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">10.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Form of Subscription Agreement</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">23.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Consent of Cooley Godward Kronish LLP (included as part of Exhibit&nbsp;5.1)</FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top" NOWRAP><FONT FACE="Times New Roman" SIZE="2">99.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Press Release, dated August 20, 2009</FONT></TD></TR>
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">4. </FONT></P>

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<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>dex11.htm
<DESCRIPTION>PLACEMENT AGENCY AGREEMENT
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit 1.1 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="right"><FONT
FACE="Times New Roman" SIZE="2"><B><U>EXECUTION COPY </U></B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>6,000,000 Shares </B></FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Warrants to Purchase 2,400,000 Shares </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2"><B>CERUS CORPORATION </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Common Stock </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B><U>PLACEMENT AGENCY AGREEMENT </U></B> </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2">August&nbsp;19, 2009 </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">C<SMALL>OWEN</SMALL> <SMALL>AND</SMALL> C<SMALL>OMPANY</SMALL>, LLC </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">1221
Avenue of the Americas </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">New York, New York 10020 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Dear Sirs:
</FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">1. <I>I<SMALL>NTRODUCTORY</SMALL></I><SMALL></SMALL>. Cerus Corporation, a Delaware corporation (the &#147;<U>Company</U>&#148;), proposes
to issue and sell to certain purchasers (each a &#147;<U>Purchaser</U>&#148; and collectively, the &#147;<U>Purchasers</U>&#148;) up to an aggregate of 6,000,000 shares of common stock, $0.001 par value (the &#147;<U>Common Stock</U>&#148;), of the
Company and warrants (in the form attached hereto as <U>Exhibit B</U>, the &#147;<U>Warrants</U>&#148;) to purchase 2,400,000 shares of Common Stock in Units (each a &#147;<U>Unit</U>&#148;) consisting of (i)&nbsp;one share of Common Stock and
(ii)&nbsp;one Warrant to purchase 0.40 of a share of Common Stock. The aggregate of 6,000,000 shares of Common Stock so proposed to be sold is hereinafter referred to as the &#147;<U>Stock</U>&#148; and the number of shares of Common Stock issuable
upon exercise of the Warrants is hereinafter referred to as the &#147;<U>Warrant Stock</U>.&#148; The Warrant Stock, together with the Stock and the Warrants, are referred to herein as the &#147;<U>Securities</U>.&#148; The Company hereby confirms
that Cowen and Company, LLC (&#147;<U>Cowen</U>&#148; or the &#147;<U>Placement Agent</U>&#148;) acted as Placement Agent in the sale of the Units in accordance with the terms and conditions of this Placement Agency Agreement (this
&#147;<U>Agreement</U>&#148;). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">2. <I>A<SMALL>GREEMENT</SMALL> <SMALL>TO</SMALL> A<SMALL>CT</SMALL> <SMALL>AS</SMALL>
P<SMALL>LACEMENT</SMALL> A<SMALL>GENT</SMALL>; P<SMALL>LACEMENT</SMALL> <SMALL>OF</SMALL> S<SMALL>ECURITIES</SMALL>. </I>On the basis of the representations, warranties and agreements of the Company contained herein, and subject to all the terms and
conditions of this Agreement: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(a) The Company hereby acknowledges that the Placement Agent acted and is acting as its sole agent to
solicit offers for the purchase of all or part of the Units from the Company in connection with the proposed offering of the Units (the &#147;<U>Offering</U>&#148;). Until the Closing Date (as defined in <U>Section&nbsp;4</U> hereof), the Company
shall not, without the prior written consent of the Placement Agent, solicit or accept offers to purchase the Stock or the Warrants otherwise than through the Placement Agent. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(b) The Company hereby acknowledges that the Placement Agent, as agent of the Company, used its best efforts to solicit offers to purchase the Units from
the Company and the Placement Agent, as agent of the Company, agrees to continue to use its best efforts to solicit offers to purchase the Units, on the terms and subject to the conditions set forth in the Prospectus (as defined below). The
Placement </FONT>
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<FONT FACE="Times New Roman" SIZE="2">Agent shall use commercially reasonable efforts to assist the Company in obtaining performance by each Purchaser whose offer to purchase the Units has been
solicited by the Placement Agent and accepted by the Company, including the prompt execution by such Purchaser of a subscription agreement to purchase the Units (in the form attached hereto as <U>Exhibit A</U>, the &#147;<U>Subscription
Agreement</U>&#148;), but the Placement Agent shall not, except as otherwise provided in this Agreement, be obligated to disclose the identity of any potential purchaser that does not execute a Subscription Agreement or have any liability to the
Company in the event any such purchase is not consummated for any reason. Under no circumstances will the Placement Agent be obligated to underwrite or purchase any Stock or Warrants for its own account and, in soliciting purchases of Units, the
Placement Agent acted solely as the Company&#146;s agent and not as principal. Notwithstanding the foregoing and except as otherwise provided in this <U>Section&nbsp;2(b)</U>, it is understood and agreed that the Placement Agent (or its affiliates)
may, solely at its discretion and without any obligation to do so, purchase the Units as principal. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(c) Subject to the provisions of this
<U>Section&nbsp;2</U>, offers for the purchase of Units were and may be solicited by the Placement Agent as agent for the Company at such times and in such amounts as the Placement Agent deemed or deems advisable. The Placement Agent shall
communicate to the Company, orally or in writing, each reasonable offer to purchase Units received by it as agent of the Company. The Company shall have the sole right to accept offers to purchase the Units and may reject any such offer, in whole or
in part. The Placement Agent has the right, in its discretion, reasonably exercised, without notice to the Company, to reject any offer to purchase Units received by it, in whole or in part, and any such rejection shall not be deemed a breach of
this Agreement. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(d) The Units are being sold to the Purchasers at a price of $2.20 per Unit. The purchases of the Units by the Purchasers
shall be evidenced by the execution of Subscription Agreements by each of the Purchasers and the Company. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(e) As compensation for services
rendered, on the Closing Date, the Company shall pay to the Placement Agent by wire transfer of immediately available funds to an account or accounts designated by the Placement Agent, an aggregate amount equal to five percent (5.0%)&nbsp;of the
gross proceeds received by the Company from its sale of the Units. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(f) No Units that the Company has agreed to sell pursuant to this
Agreement shall be deemed to have been purchased and paid for, or sold by the Company, until such Units shall have been delivered to the Purchaser thereof against payment by such Purchaser. If the Company shall default in its obligations to deliver
Units to a Purchaser whose offer it has accepted, the Company shall indemnify and hold the Placement Agent harmless against any loss, claim, damage or expense arising from or as a result of such default by the Company in accordance with the
procedures set forth in <U>Section&nbsp;8</U> herein. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">3. <I>R<SMALL>EPRESENTATIONS</SMALL> <SMALL>AND</SMALL> W<SMALL>ARRANTIES</SMALL>
<SMALL>OF</SMALL> <SMALL>THE</SMALL> C<SMALL>OMPANY</SMALL>.</I> The Company represents and warrants to the Placement Agent and the Purchasers, as of the date hereof, and agrees with the Placement Agent and the Purchasers, that: </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(a)&nbsp;A registration statement of the Company on Form S-3 (File No.&nbsp;333-154842) (including all pre-effective amendments thereto, the
&#147;<U>Initial Registration Statement</U>&#148;) and a registration statement of the Company on Form S-3 (File No.&nbsp;333-161214) (the &#147;<U>Rule&nbsp;462(b) Registration Statement</U>&#148;) filed pursuant to Rule 462(b) under the Securities
Act of 1933, as amended (the &#147;<U>Securities Act</U>&#148;), in respect of the Securities have been filed with the Securities and Exchange Commission (the &#147;<U>Commission</U>&#148;) pursuant to Rule&nbsp;415 under the Securities Act. The
Company meets the requirements for use of Form S-3 under the Securities Act, and the rules and regulations of the Commission thereunder (the &#147;<U>Rules and Regulations</U>&#148;). The Initial Registration Statement and any post-effective
amendment thereto and the Rule 462(b) Registration Statement, each in the form heretofore delivered to the Placement Agent, excluding </FONT>
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<FONT FACE="Times New Roman" SIZE="2">exhibits thereto, have been declared effective by the Commission or otherwise become effective in such forms and meet the requirements of the Securities Act
and the Rules and Regulations. Other than (i)&nbsp;the Prospectus (as defined below) contemplated by this Agreement to be filed pursuant to Rule 424(b) of the Rules and Regulations in accordance with <U>Section&nbsp;5</U> hereof and (ii)&nbsp;any
Issuer Free Writing Prospectus (as defined below), no other document with respect to the offer and sale of the Units has heretofore been filed with the Commission. The Company is currently eligible to use Form S-3 pursuant to General Instruction
I.B.1. of Form S-3. No stop order suspending the effectiveness of the Initial Registration Statement, any post-effective amendment thereto or the Rule 462(b) Registration Statement has been issued and no proceeding for that purpose or pursuant to
Section&nbsp;8A of the Securities Act has been initiated or, to the knowledge of the Company, threatened by the Commission. The prospectus filed as part of the registration statement in the form in which it has most recently been filed with the
Commission on or prior to the date of this Agreement is hereinafter called the &#147;<U>Base Prospectus</U>&#148; and any prospectus subject to completion included in the Registration Statement or any preliminary prospectus (including any
preliminary prospectus supplement) relating to the Units filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations is hereinafter called a &#147;<U>Preliminary Prospectus</U>.&#148; The various parts of the Initial Registration
Statement and the Rule 462(b) Registration Statement, in each case including all exhibits thereto and including (i)&nbsp;the information contained in the Prospectus filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations and
deemed by virtue of Rules&nbsp;430B and 430C under the Securities Act to be part of the Initial Registration Statement at the time it became effective and (ii)&nbsp;the documents incorporated by reference in the Rule 462(b) Registration Statement at
the time the Rule 462(b) Registration Statement became effective, are hereinafter collectively called the &#147;<U>Registration Statements</U>.&#148; The base prospectus included in the Initial Registration Statement at the time of effectiveness
thereof, as supplemented by the final prospectus supplement dated the date hereof relating to the offer and sale of the Units, in the form filed pursuant to and within the time limits described in Rule 424(b) under the Rules and Regulations, is
hereinafter called the &#147;<U>Prospectus</U>.&#148; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">Any reference herein to any Registration Statement, Preliminary Prospectus or the
Prospectus shall be deemed to refer to and include the documents incorporated by reference therein. Any reference to any amendment or supplement to any Preliminary Prospectus or the Prospectus shall be deemed to refer to and include any documents
filed after the date of such Preliminary Prospectus or the Prospectus under the Securities Exchange Act of 1934, as amended (the &#147;<U>Exchange Act</U>&#148;), and incorporated by reference in such Preliminary Prospectus or Prospectus, as the
case may be. Any reference to any amendment to the Registration Statements shall be deemed to refer to and include any annual report of the Company filed pursuant to Section&nbsp;13(a) or 15(d) of the Exchange Act after the date of this Agreement
that is incorporated by reference in the Registration Statements. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(b)&nbsp;As of the Applicable Time (as defined below) and as of the
Closing Date, as the case may be, neither (i)&nbsp;any General Use Free Writing Prospectus(es) (as defined below) issued at or prior to the Applicable Time and the Pricing Prospectus (as defined below), considered together with the pricing and other
information set forth on <U>Schedule I</U> hereto (collectively, the &#147;<U>General Disclosure Package</U>&#148;), (ii)&nbsp;any individual Limited Use Free Writing Prospectus (as defined below), nor (iii)&nbsp;the bona fide electronic road show
(as defined in Rule&nbsp;433(h)(5) of the Rules and Regulations that has been made available without restriction to any person), when considered together with the General Disclosure Package, included or will include any untrue statement of a
material fact or omitted or will omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; <I>provided, however</I>, that the Company makes no
representations or warranties as to information contained in or omitted from the Pricing Prospectus, in reliance upon, and in conformity with, written information furnished to the Company by the Placement Agent specifically for inclusion therein,
which information the parties hereto agree is limited to the Placement Agent&#146;s Information (as defined in <U>Section&nbsp;17</U>). As used in this paragraph (b)&nbsp;and elsewhere in this Agreement: </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">&#147;<U>Applicable Time</U>&#148; means 11:00 P.M., New York time, on the date of this Agreement or such other time as agreed to by the Company and the
Placement Agent. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">&#147;<U>Pricing Prospectus</U>&#148; means the Preliminary Prospectus, if any, and the Base Prospectus,
each as amended and supplemented immediately prior to the Applicable Time, including any document incorporated by reference therein and any prospectus supplement deemed to be a part thereof. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">&#147;<U>Issuer Free Writing Prospectus</U>&#148; means any &#147;issuer free writing prospectus,&#148; as defined in Rule&nbsp;433 of the Rules and
Regulations relating to the Stock in the form filed or required to be filed with the Commission or, if not required to be filed, in the form retained in the Company&#146;s records pursuant to Rule 433(g) of the Rules and Regulations. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">&#147;<U>General Use Free Writing Prospectus</U>&#148; means any Issuer Free Writing Prospectus that is identified on <U>Schedule&nbsp;II</U> to this
Agreement. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">&#147;<U>Limited Use Free Writing Prospectuses</U>&#148; means any Issuer Free Writing Prospectus that is not a General Use
Free Writing Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(c)&nbsp;No order preventing or suspending the use of any Preliminary Prospectus, any Issuer Free Writing
Prospectus or the Prospectus relating to the Offering has been issued by the Commission, and no proceeding for that purpose or pursuant to Section&nbsp;8A of the Securities Act has been instituted or, to the knowledge of the Company, threatened by
the Commission, and any Preliminary Prospectus, at the time of filing thereof, conformed in all material respects to the requirements of the Securities Act and the Rules and Regulations, and did not contain an untrue statement of a material fact or
omit to state a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; <I>provided, however</I>, that the Company makes no
representations or warranties as to information contained in or omitted from any Preliminary Prospectus, in reliance upon, and in conformity with, written information furnished to the Company by the Placement Agent specifically for inclusion
therein, which information the parties hereto agree is limited to the Placement Agent&#146;s Information. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(d)&nbsp;At the respective times
the Registration Statements and any amendments thereto became effective, at the date of this Agreement and at the Closing Date, each Registration Statement and any amendments thereto conformed and will conform in all material respects to the
requirements of the Securities Act and the Rules and Regulations and did not and will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein
not misleading; and the Prospectus and any amendments or supplements thereto, at the time the Prospectus or any amendment or supplement thereto was issued and at the Closing Date, conformed and will conform in all material respects to the
requirements of the Securities Act and the Rules and Regulations and did not and will not contain an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in light of the
circumstances under which they were made, not misleading; <I>provided</I>, <I>however</I>, that the foregoing representations and warranties in this paragraph (d)&nbsp;shall not apply to information contained in or omitted from the Registration
Statements or the Prospectus, or any amendment or supplement thereto, in reliance upon, and in conformity with, written information furnished to the Company by the Placement Agent specifically for inclusion therein, which information the parties
hereto agree is limited to the Placement Agent&#146;s Information. The Prospectus contains all required information under the Securities Act with respect to the Units and the distribution of the Units. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(e)&nbsp;Each Issuer Free Writing Prospectus, if any, as of its issue date and at all subsequent times through the completion of the offer and sale of
the Units or until any earlier date that the Company </FONT>
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<FONT FACE="Times New Roman" SIZE="2">notified or notifies the Placement Agent as described in <U>Section&nbsp;5</U>, did not, does not and will not include any information that conflicted,
conflicts or will conflict with the information contained in the Registration Statement, Pricing Prospectus or the Prospectus, including any document incorporated by reference therein and any prospectus supplement deemed to be a part thereof that
has not been superseded or modified, or included or would include an untrue statement of a material fact or omitted or would omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in the
light of the circumstances prevailing at the subsequent time, not misleading. The foregoing sentence does not apply to statements in or omissions from any Issuer Free Writing Prospectus in reliance upon, and in conformity with, written information
furnished to the Company by the Placement Agent specifically for inclusion therein, which information the parties hereto agree is limited to the Placement Agent&#146;s Information. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(f)&nbsp;The documents incorporated by reference in the Prospectus, when they were filed with the Commission, conformed in all material respects to the
requirements of the Securities Act or the Exchange Act, as applicable, and the rules and regulations of the Commission thereunder and none of such documents contained any untrue statement of a material fact or omitted to state any material fact
required to be stated therein or necessary to make the statements therein not misleading, in the light of the circumstances under which they were made; and any further documents so filed and incorporated by reference in the Prospectus, when such
documents are filed with the Commission, will conform in all material respects to the requirements of the Securities Act or the Exchange Act, as applicable, and the rules and regulations of the Commission thereunder and will not contain any untrue
statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein not misleading, in the light of the circumstances under which they are made. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(g)&nbsp;The Company has not, directly or indirectly, distributed and will not distribute any offering material in connection with the Offering and sale
of the Units other than any Preliminary Prospectus, the Prospectus and other materials, if any, permitted under the Securities Act and consistent with <U>Section&nbsp;5</U> below. The Company will file with the Commission all Issuer Free Writing
Prospectuses (other than a &#147;road show,&#148; as described in Rule&nbsp;433(d)(8) of the Rules and Regulations) in the time and manner required under Rules 163(b)(2) and 433(d) of the Rules and Regulations. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(h)&nbsp;At the time of filing the Initial Registration Statement, any 462(b) Registration Statement and any post-effective amendments thereto, and at
the date hereof, the Company was not, and the Company currently is not, an &#147;ineligible issuer,&#148; as defined in Rule&nbsp;405 of the Rules and Regulations. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(i)&nbsp;The Company and its only subsidiary (as defined in <U>Section&nbsp;15</U>) have been duly incorporated and are validly existing as corporations in good standing under the laws of their respective
jurisdictions of incorporation, are duly qualified to do business and are in good standing as foreign corporations in each jurisdiction in which their respective ownership or lease of property or the conduct of their respective businesses requires
such qualification, and have all power and authority necessary to own or hold their respective properties and to conduct the businesses in which they are engaged, except where the failure to so qualify or have such power or authority would not have,
singularly or in the aggregate, a material adverse effect on the condition (financial or otherwise), results of operations, business or prospects of the Company and its subsidiary taken as a whole (a &#147;<U>Material Adverse Effect</U>&#148;). The
Company owns or controls, directly or indirectly, only the following corporation, partnership, limited liability partnership, limited liability company, association or other entity: Cerus Europe B.V. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(j)&nbsp;The Company has the full right, power and authority to enter into this Agreement and each of the Subscription Agreements, and to perform and
discharge its obligations hereunder and thereunder; and each of this Agreement and each Subscription Agreement has been duly authorized, executed and delivered by the Company, and constitutes a valid, legal and binding obligation of the </FONT>
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<FONT FACE="Times New Roman" SIZE="2">Company, enforceable against the Company in accordance with its terms, except as rights to indemnity hereunder may be limited by federal or state securities
laws and except as such enforceability may be limited by applicable bankruptcy, insolvency, reorganization or similar laws affecting the rights of creditors generally and subject to general principles of equity. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(k)&nbsp;The Stock to be issued and sold by the Company to the Purchasers has been duly and validly authorized and, when issued and delivered against
payment therefor as provided herein and in the Subscription Agreements, will be duly and validly issued, fully paid and nonassessable and free of any preemptive or similar rights and will conform to the description thereof contained in the General
Disclosure Package and the Prospectus. The Warrants have been duly authorized, and when executed and delivered by the Company, will constitute valid and binding obligations of the Company enforceable in accordance with their terms, except that such
enforcement may be subject to applicable bankruptcy, insolvency, reorganization, moratorium or other similar laws, now or hereafter in effect, affecting creditors&#146; rights generally. The Warrant Stock has been duly authorized and reserved for
issuance pursuant to the terms of the Warrants, and when issued by the Company upon valid exercise of the Warrants and payment of the exercise price, will be duly and validly issued, fully paid and nonassessable and free of any preemptive or similar
rights and will conform to the description thereof contained in the General Disclosure Package and the Prospectus </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(l)&nbsp;The Company has
an authorized capitalization as set forth in the General Disclosure Package and the Prospectus, and all of the issued shares of capital stock of the Company have been duly and validly authorized and issued, are fully paid and non-assessable, have
been issued in compliance with federal and state securities laws, and conform to the description thereof contained in the General Disclosure Package and the Prospectus. None of the outstanding shares of Common Stock was issued in violation of any
preemptive rights, rights of first refusal or other similar rights to subscribe for or purchase securities of the Company. As of the date set forth in the General Disclosure Package and the Prospectus, there were no authorized or outstanding
options, warrants, preemptive rights, rights of first refusal or other rights to purchase, or equity or debt securities convertible into or exchangeable or exercisable for, any capital stock of the Company or its subsidiary other than those
accurately described in the General Disclosure Package and the Prospectus. Since such date, the Company has not issued any securities other than Common Stock issued pursuant to the exercise of warrants or upon the exercise of stock options or other
awards outstanding under the Company&#146;s stock option plans and the issuance of Common Stock pursuant to employee stock purchase plans. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(m)&nbsp;All the outstanding shares of capital stock of its subsidiary of the Company have been duly authorized and validly issued, are fully paid and nonassessable and, except to the extent set forth in the General Disclosure Package and
the Prospectus, are owned by the Company directly or indirectly through one or more wholly-owned subsidiaries, free and clear of any claim, lien, encumbrance, security interest, restriction upon voting or transfer or any other claim of any third
party. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(n)&nbsp;The execution, delivery and performance of this Agreement, the Subscription Agreements and the Warrants by the Company,
the issue and sale of the Stock and issue of the Warrant Stock upon exercise of the Warrants by the Company and the consummation of the transactions contemplated hereby and thereby will not (i)&nbsp;conflict with or result in a breach or violation
of any of the terms or provisions of, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement or other agreement or instrument to which the Company or its subsidiary is a party or by which the Company or its subsidiary
is bound or to which any of the property or assets of the Company or its subsidiary is subject, (ii)&nbsp;result in any violation of the provisions of the charter or by-laws of the Company or its subsidiary or (iii)&nbsp;result in any violation of
any statute or any order, rule or regulation of any court or governmental agency or body having jurisdiction over the Company or its subsidiary or any of their properties or assets. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(o)&nbsp;Except for the registration of the Securities under the Securities Act and such consents,
approvals, authorizations, registrations or qualifications as may be required under the Exchange Act, and applicable state securities laws, the Financial Industry Regulatory Authority, Inc. (&#147;<U>FINRA</U>&#148;) and the Nasdaq Stock Market LLC
in connection with the purchase of the Units and exercise of the Warrants by the Purchasers, no consent, approval, authorization or order of, or filing or registration with, any court or governmental agency or body is required for the execution,
delivery and performance of this Agreement, the Subscription Agreements or the Warrants by the Company and the consummation of the transactions contemplated hereby and thereby. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(p)&nbsp;Ernst&nbsp;&amp; Young LLP, who have certified certain financial statements included or incorporated by reference in the Registration
Statements, the General Disclosure Package and the Prospectus, and have audited the Company&#146;s internal control over financial reporting and management&#146;s assessment thereof, is an independent registered public accounting firm within the
meaning of Article&nbsp;2-01 of Regulation&nbsp;S-X and the Public Company Accounting Oversight Board (United States) (the &#147;<U>PCAOB</U>&#148;). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(q)&nbsp;The financial statements, together with the related notes, included or incorporated by reference in the General Disclosure Package, the Prospectus and in each Registration Statement fairly present the
financial position and the results of operations and changes in financial position of the Company and its consolidated subsidiary at the respective dates or for the respective periods therein specified. Such statements and related notes have been
prepared in accordance with generally accepted accounting principles in the United States applied on a consistent basis except as may be set forth in the Prospectus. The financial statements, together with the related notes, included or incorporated
by reference in the General Disclosure Package and the Prospectus comply in all material respects with the Securities Act and the Rules and Regulations thereunder. No other financial statements or supporting schedules or exhibits are required by the
Securities Act or the Rules and Regulations thereunder to be included or incorporated by reference in the General Disclosure Package, the Prospectus or the Registration Statements. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(r)&nbsp;Neither the Company nor its subsidiary has sustained, since the date of the latest audited financial statements included or incorporated by
reference in the General Disclosure Package and the Prospectus, any material loss or interference with its business from fire, explosion, flood or other calamity, whether or not covered by insurance, or from any labor dispute or court or
governmental action, order or decree, otherwise than as set forth or contemplated in the General Disclosure Package and the Prospectus; and, since such date, there has not been any change in the capital stock (other than Common Stock of the Company
issued pursuant to the exercise of warrants or upon the exercise of stock options or other awards outstanding under the Company&#146;s stock option plans and the issuance of Common Stock pursuant to employee stock purchase plans) or long-term debt
of the Company or its subsidiary or any material adverse change, or any development involving a prospective material adverse change, in or affecting the business, general affairs, management, financial position, stockholders&#146; equity or results
of operations of the Company and its subsidiary taken as a whole, otherwise than as set forth or contemplated in the General Disclosure Package and the Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(s)&nbsp;Except as set forth in the General Disclosure Package or the Prospectus, there is no legal or governmental proceeding pending to which the Company or its subsidiary is a party or of which any property or
assets of the Company or its subsidiary is the subject that is required to be described in the Registration Statements or the General Disclosure Package and is not described therein, or that, singularly or in the aggregate, if determined adversely
to the Company or its subsidiary, might have a Material Adverse Effect or would prevent or adversely affect the ability of the Company to perform its obligations under this Agreement or the Subscription Agreements; and to the best of the
Company&#146;s knowledge, no such proceedings are threatened or contemplated by governmental authorities or threatened by others. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">7 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(t)&nbsp;Neither the Company nor its subsidiary (i)&nbsp;is in violation of its charter or by-laws,
(ii)&nbsp;is in default in any respect, and no event has occurred which, with notice or lapse of time or both, would constitute such a default, in the due performance or observance of any term, covenant or condition contained in any indenture,
mortgage, deed of trust, loan agreement or other agreement or instrument to which it is a party or by which it is bound or to which any of its property or assets is subject or (iii)&nbsp;is in violation in any respect of any law, ordinance,
governmental rule, regulation or court decree to which it or its property or assets may be subject except any violations or defaults that, in the cases of clauses (ii)&nbsp;and (iii)&nbsp;of this paragraph (t), singularly or in the aggregate, would
not have a Material Adverse Effect. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(u)&nbsp;The Company and its subsidiary possess all licenses, certificates, authorizations and permits
issued by, and have made all declarations and filings with, the appropriate state, federal or foreign regulatory agencies or bodies that are necessary or desirable for the ownership of their respective properties or the conduct of their respective
businesses as described in the General Disclosure Package and the Prospectus except where any failures to possess or make the same, singularly or in the aggregate, would not have a Material Adverse Effect, and the Company has not received
notification of any revocation or modification of any such license, certificate, authorization or permit and has no reason to believe that any such license, certificate, authorization or permit will not be renewed. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(v)&nbsp;Neither the Company nor its subsidiary is or, after giving effect to the Offering of the Units and the application of the proceeds thereof as
described in the General Disclosure Package and the Prospectus, will become an &#147;investment company&#148; within the meaning of the Investment Company Act of 1940, as amended, and the rules and regulations of the Commission thereunder.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(w)&nbsp;Neither the Company nor, to the knowledge of the Company, any of its officers, directors or affiliates has taken or will take,
directly or indirectly, any action designed or intended to stabilize or manipulate the price of any security of the Company, or which caused or resulted in, or which might in the future reasonably be expected to cause or result in, stabilization or
manipulation of the price of any security of the Company. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(x)&nbsp;The Company and its subsidiary own or possess the right to use all
patents, trademarks, trademark registrations, service marks, service mark registrations, trade names, copyrights, licenses, inventions, trade secrets and rights described in the General Disclosure Package and the Prospectus as being owned by them
for the conduct of their respective businesses as now conducted and as currently proposed to be conducted, and the Company is not aware of any claim to the contrary or any challenge by any other person to the rights of the Company and its subsidiary
with respect to the foregoing. To the Company&#146;s knowledge, the Company&#146;s business as now conducted and as proposed to be conducted does not and will not infringe or conflict with any patents, trademarks, service marks, trade names,
copyrights, trade secrets, licenses or other intellectual property or franchise right of any person except as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. Except as described in the
General Disclosure Package and the Prospectus, no claim has been made against the Company alleging the infringement by the Company of any patent, trademark, service mark, trade name, copyright, trade secret, license in or other intellectual property
right or franchise right of any person, except as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(y)&nbsp;The Company and its subsidiary have good and marketable title in fee simple to, or have valid rights to lease or otherwise use, all items of real or personal property that are material to the business of the
Company and its subsidiary taken as a whole, in each case free and clear of all liens, encumbrances, claims and defects that may result in a Material Adverse Effect. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">8 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(z)&nbsp;No labor disturbance by the employees of the Company or its subsidiary exists or, to the best of
the Company&#146;s knowledge, is imminent that might be expected to have a Material Adverse Effect. Except as set forth in the General Disclosure Package or the Prospectus, the Company is not aware that any key employee or significant group of
employees of the Company or its subsidiary voluntarily plans to terminate employment with the Company or any such subsidiary. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(aa)&nbsp;No
&#147;prohibited transaction&#148; (as defined in Section&nbsp;406 of the Employee Retirement Income Security Act of 1974, as amended, including the regulations and published interpretations thereunder (&#147;<U>ERISA</U>&#148;), or
Section&nbsp;4975 of the Internal Revenue Code of 1986, as amended from time to time (the &#147;<U>Code</U>&#148;)) or &#147;accumulated funding deficiency&#148; (as defined in Section&nbsp;302 of ERISA) or any of the events set forth in
Section&nbsp;4043(b) of ERISA (other than events with respect to which the 30-day notice requirement under Section&nbsp;4043 of ERISA has been waived) has occurred with respect to any employee benefit plan of the Company or its subsidiary that could
have a Material Adverse Effect; each such employee benefit plan is in compliance in all material respects with applicable law, including ERISA and the Code; the Company has not incurred and does not expect to incur liability under Title IV of ERISA
with respect to the termination of, or withdrawal from, any &#147;pension plan&#148;; and each &#147;pension plan&#148; (as defined in ERISA) for which the Company would have any liability that is intended to be qualified under Section&nbsp;401(a)
of the Code is so qualified in all material respects and nothing has occurred, whether by action or by failure to act, which could cause the loss of such qualification. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(bb)&nbsp;There has been no storage, generation, transportation, handling, treatment, disposal, discharge, emission, or other release of any kind of toxic or other wastes or other hazardous substances by, due to, or
caused by the Company or its subsidiary (or, to the best of the Company&#146;s knowledge, any other entity for whose acts or omissions the Company or its subsidiary is or may be liable) upon any of the property now or previously owned or leased by
the Company or its subsidiary, or upon any other property, in violation of any statute or any ordinance, rule, regulation, order, judgment, decree or permit or which would, under any statute or any ordinance, rule (including rule of common law),
regulation, order, judgment, decree or permit, give rise to any liability, except for any violation or liability that would not have, singularly or in the aggregate with all such violations and liabilities, a Material Adverse Effect; there has been
no disposal, discharge, emission or other release of any kind onto such property or into the environment surrounding such property of any toxic or other wastes or other hazardous substances with respect to which the Company or its subsidiary have
knowledge, except for any such disposal, discharge, emission, or other release of any kind that would not have, singularly or in the aggregate with all such discharges and other releases, a Material Adverse Effect. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(cc)&nbsp;The Company and its subsidiary each (i)&nbsp;has filed all necessary federal, state and foreign income and franchise tax returns, (ii)&nbsp;has
paid all federal state, local and foreign taxes due and payable for which it is liable, and (iii)&nbsp;does not have any tax deficiency or claims outstanding or assessed or, to the best of the Company&#146;s knowledge, proposed against it that could
reasonably be expected to have a Material Adverse Effect. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(dd)&nbsp;The Company and its subsidiary carry, or are covered by, insurance in
such amounts and covering such risks as is adequate for the conduct of their respective businesses and the value of their respective properties and as is customary for companies engaged in similar businesses in similar industries. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(ee)&nbsp;The Company maintains a system of internal control over financial reporting (as such term is defined in Rule&nbsp;13a-15 of the General Rules
and Regulations under the Exchange Act (the &#147;<U>Exchange Act Rules</U>&#148;)) that complies with the requirements of the Exchange Act and has been designed to provide reasonable assurances that (i)&nbsp;transactions are executed in accordance
with management&#146;s general or specific authorizations; (ii)&nbsp;transactions are recorded as necessary to permit preparation of </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">9 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">financial statements in conformity with GAAP and to maintain accountability for assets; (iii)&nbsp;access to assets is permitted only in accordance with
management&#146;s general or specific authorization; and (iv)&nbsp;the recorded accountability for assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any differences. The Company maintains
effective internal control over financial reporting (as such term is defined in Rule&nbsp;13a-15 of the Exchange Act Rules). Except as described in the General Disclosure Package, since the end of the Company&#146;s most recent audited fiscal year,
there has been (A)&nbsp;no material weakness in the Company&#146;s internal control over financial reporting (whether or not remediated) and (B)&nbsp;no change in the Company&#146;s internal control over financial reporting that has materially
affected, or is reasonably likely to materially affect, the Company&#146;s internal control over financial reporting. The Company maintains disclosure controls and procedures (as such is defined in Rule&nbsp;13a-15 of the Exchange Act Rules) that
comply with the requirements of the Exchange Act; such disclosure controls and procedures have been designed to ensure that information required to be disclosed by the Company and its subsidiary is accumulated and communicated to the Company&#146;s
management, including the Company&#146;s principal executive officer and principal financial officer by others within those entities, and such disclosure controls and procedures are effective in all material respects to perform the functions for
which they were established. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(ff)&nbsp;The minute books of the Company and its subsidiary that would be a &#147;significant
subsidiary&#148; within the meaning of Rule&nbsp;1-02(w) of Regulation&nbsp;S-X have been made available to the Placement Agent and counsel for the Placement Agent, and such books (i)&nbsp;contain a complete summary of all meetings and actions of
the board of directors (including each board committee) and stockholders of the Company and its subsidiary since the time of its respective incorporation or organization through the date of the latest meeting and action, and (ii)&nbsp;accurately in
all material respects reflect all transactions authorized in such minutes or written consents. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(gg)&nbsp;There is no franchise, lease,
agreement or document required by the Securities Act or by the Rules and Regulations to be described in the General Disclosure Package, the Prospectus or any document incorporated therein, or to be filed as an exhibit to the Registration Statements
that is not described or filed therein as required; and all descriptions of any such franchises, leases, agreements or documents contained in the General Disclosure Package, the Prospectus or any document incorporated therein are accurate and
complete descriptions of such documents in all material respects. Other than as described in the General Disclosure Package and the Prospectus, no such franchise, lease, agreement or document has been suspended or terminated for convenience or
default by the Company or any of the other parties thereto, and the Company has not received notice or any other knowledge of any such pending or threatened suspension or termination, except for such pending or threatened suspensions or terminations
that would not reasonably be expected to, singularly or in the aggregate, have a Material Adverse Effect. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(hh)&nbsp;No relationship,
direct or indirect, exists between or among the Company on the one hand, and the directors, officers, stockholders, customers or suppliers of the Company on the other hand, that is required to be described in the General Disclosure Package and the
Prospectus and that is not so described. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(ii)&nbsp;No person or entity has the right to require registration of shares of Common Stock or
other securities of the Company or its subsidiary because of the filing or effectiveness of the Registration Statements or otherwise, except for persons and entities who have expressly waived such right in writing or who have been given timely and
proper written notice and have failed to exercise such right within the time or times required under the terms and conditions of such right. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(jj)&nbsp;Neither the Company nor its subsidiary own any &#147;margin securities&#148; as that term is defined in Regulation&nbsp;U of the Board of Governors of the Federal Reserve System (the &#147;<U>Federal Reserve </U> </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2"><U>Board</U>&#148;), and none of the proceeds of the sale of the Stock or the exercise of the Warrants will be used, directly or indirectly, for the purpose
of purchasing or carrying any margin security, for the purpose of reducing or retiring any indebtedness which was originally incurred to purchase or carry any margin security or for any other purpose which might cause any of the Stock to be
considered a &#147;purpose credit&#148; within the meanings of Regulation&nbsp;T, U or X of the Federal Reserve Board. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(kk)&nbsp;Other
than any agreements between the Company and the Placement Agent, neither the Company nor its subsidiary is a party to any agreement or understanding with any person that would give rise to a valid claim against the Company or the Placement Agent for
a brokerage commission, finder&#146;s fee or like payment in connection with the offering and sale of the Units or any transaction contemplated by this Agreement. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(ll)&nbsp;No forward-looking statement (within the meaning of Section&nbsp;27A of the Securities Act and Section&nbsp;21E of the Exchange Act) contained in either the General Disclosure Package or the Prospectus has
been made or reaffirmed without a reasonable basis or has been disclosed other than in good faith. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(mm)&nbsp;The Stock and the Warrant
Stock has been duly authorized for quotation on the Nasdaq Global Market. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(nn)&nbsp;The Company is in compliance in all material respects
with all applicable provisions of the Sarbanes-Oxley Act of 2002 and all rules and regulations promulgated thereunder or implementing the provisions thereof (the &#147;<U>Sarbanes-Oxley Act</U>&#148;). </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(oo)&nbsp;The Company is in compliance in all material respects with all applicable corporate governance requirements set forth in the rules and
regulations of the Nasdaq Stock Market LLC. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(pp)&nbsp;Neither the Company nor its subsidiary nor, to the Company&#146;s knowledge, any
employee or agent of the Company or its subsidiary, has (i)&nbsp;used any corporate funds for unlawful contributions, gifts, entertainment or other unlawful expenses relating to political activity, (ii)&nbsp;made any unlawful payment to foreign or
domestic government officials or employees or to foreign or domestic political parties or campaigns from corporate funds, (iii)&nbsp;violated any provision of the Foreign Corrupt Practices Act of 1977, as amended, or (iv)&nbsp;made any other
unlawful payment. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(qq)&nbsp;There are no transactions, arrangements or other relationships between and/or among the Company, any of its
affiliates (as such term is defined in Rule&nbsp;405 of the Securities Act) and any unconsolidated entity, including, but not limited to, any structured finance, special purpose or limited purpose entity, that could reasonably be expected to
materially affect the Company&#146;s liquidity or the availability of or requirements for its capital resources, which transaction, arrangement or other relationship is required to be described in the General Disclosure Package, the Prospectus or
any document incorporated therein and that has not been described as required. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(rr)&nbsp;There are no outstanding loans, advances (except
normal advances for business expense in the ordinary course of business) or guarantees of indebtedness by the Company to or for the benefit of any of the officers or directors of the Company, except as disclosed in the General Disclosure Package and
the Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(ss)&nbsp;The operations of the Company and its subsidiary are and have been conducted at all times in compliance with
applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, applicable money laundering statutes and applicable rules and regulations thereunder (collectively, the
&#147;<U>Money Laundering Laws</U>&#148;), and no action, </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">11 </FONT></P>


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<FONT FACE="Times New Roman" SIZE="2">suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or its subsidiary with respect to
the Money Laundering Laws is pending, or to the Company&#146;s knowledge, threatened. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(tt)&nbsp;Neither the Company nor its subsidiary
nor, to the Company&#146;s knowledge, any director, officer, agent, employee or affiliate of the Company or its subsidiary is currently subject to any U.S. sanctions administered by the Office of Foreign Assets Control of the U.S. Treasury
Department (&#147;<U>OFAC</U>&#148;); and, to the Company&#146;s knowledge, the Company will not directly or indirectly use the proceeds of the Offering, or lend, contribute or otherwise make available such proceeds to its subsidiary, joint venture
partner or other person or entity, for the purpose of financing the activities of any person currently subject to any U.S. sanctions administered by OFAC. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(uu) There are no affiliations or associations between (i)&nbsp;any member of the FINRA and (ii)&nbsp;the Company or any of the Company&#146;s officers or directors except as set forth in the Registration Statement,
the General Disclosure Package and the Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">4. <I>P<SMALL>URCHASE</SMALL>, S<SMALL>ALE</SMALL> <SMALL>AND</SMALL>
D<SMALL>ELIVERY</SMALL> <SMALL>OF</SMALL> <SMALL>THE</SMALL> U<SMALL>NITS</SMALL>.</I> Prior to the Closing Date (defined below), unless otherwise agreed by the Company and the Placement Agent, each Purchaser will cause a dollar amount equal to the
price per Unit as shown on the cover page of the Prospectus multiplied by the number of Units purchased by such Purchaser pursuant to the Subscription Agreement executed by such Purchaser to be paid to the Company by Federal Funds wire transfer to
an account designated by the Company (the aggregate amount for all Purchasers being referred to herein as the &#147;<U>Requisite Funds</U>&#148;). At 10:00&nbsp;A.M., New York time, on August&nbsp;25, 2009, or at such other time on such other date
as may be agreed upon by the Company and the Placement Agent but in no event prior to the date on which the Company shall have received all of the Requisite Funds (such date is hereinafter referred to as the &#147;<U>Closing Date</U>&#148;), the
Company shall deliver the Stock (which delivery may be made through the facilities of the Depository Trust Company) and the Warrants (which delivery may be made in physical form) to the Purchasers. The time of closing and delivery of the documents
required to be delivered to the Placement Agent pursuant to <U>Sections&nbsp;5</U> and <U>7</U> hereunder shall be at 10:00&nbsp;A.M., New York time, on the Closing Date at the office of Cooley Godward Kronish LLP, 3175 Hanover Street, Palo Alto, CA
94304. Certificates evidencing the Stock and the Warrants shall be in definitive form and shall be registered in such names and in such denominations as the Purchasers shall request. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">5. <I>F<SMALL>URTHER</SMALL> A<SMALL>GREEMENTS</SMALL> O<SMALL>F</SMALL> T<SMALL>HE</SMALL> C<SMALL>OMPANY</SMALL>. </I>The Company agrees with the
Placement Agent and the Purchasers: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(a)&nbsp;To prepare the Prospectus in a form approved by the Placement Agent containing information
previously omitted at the time of effectiveness of the Registration Statement in reliance on Rules&nbsp;430A, 430B or 430C of the Rules and Regulations and to file such Prospectus pursuant to Rule 424(b) of the Rules and Regulations not later than
the second business day following the execution and delivery of this Agreement or, if applicable, such earlier time as may be required by Rule&nbsp;430A of the Rules and Regulations; to notify the Placement Agent immediately of the Company&#146;s
intention to file or prepare any supplement or amendment to any Registration Statement or to the Prospectus and to make no amendment or supplement to the Registration Statements, the General Disclosure Package or to the Prospectus to which the
Placement Agent shall reasonably object by notice to the Company after a reasonable period to review; to advise the Placement Agent, promptly after it receives notice thereof, of the time when any amendment to any Registration Statement has been
filed or becomes effective or any supplement to the General Disclosure Package or the Prospectus or any amended Prospectus has been filed and to furnish the Placement Agent with copies thereof; to file promptly all material required to be filed by
the Company with the Commission pursuant to Rules 433(d) or 163(b)(2) of the Rules and Regulations, as the case may be; to file promptly all reports and any definitive proxy or information </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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<FONT FACE="Times New Roman" SIZE="2">statements required to be filed by the Company with the Commission pursuant to Section&nbsp;13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the
date of the Prospectus and for so long as the delivery of a prospectus (or in lieu thereof, the notice referred to in Rule 173(a) of the Rules and Regulations) is required in connection with the offering or sale of the Units; to advise the Placement
Agent, promptly after it receives notice thereof, of the issuance by the Commission of any stop order or of any order preventing or suspending the use of any Preliminary Prospectus, any Issuer Free Writing Prospectus or the Prospectus, of the
suspension of the qualification of any of the Securities for offering or sale in any jurisdiction, of the initiation or threatening of any proceeding for any such purpose, or of any request by the Commission for the amending or supplementing of the
Registration Statements, the General Disclosure Package or the Prospectus or for additional information; and, in the event of the issuance of any stop order or of any order preventing or suspending the use of any Preliminary Prospectus, any Issuer
Free Writing Prospectus or the Prospectus or suspending any such qualification, and promptly to use its best efforts to obtain the withdrawal of such order. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(b)&nbsp;The Company represents and agrees that, unless it obtains the prior consent of the Placement Agent, it has not made and will not, hereof, make any offer relating to the Stock or the Warrants that would
constitute a &#147;free writing prospectus&#148; as defined in Rule&nbsp;405 of the Rules and Regulations unless the prior written consent of the Placement Agent has been received (each, a &#147;<U>Permitted Free Writing Prospectus</U>&#148;);
<I>provided </I>that the prior written consent of the Placement Agent hereto shall be deemed to have been given in respect of the General Use Free Writing Prospectuses, if any. The Company represents that it has treated and agrees that it will treat
each Permitted Free Writing Prospectus as an Issuer Free Writing Prospectus, comply with the requirements of Rules&nbsp;164 and 433 of the Rules and Regulations applicable to any Issuer Free Writing Prospectus, including the requirements relating to
timely filing with the Commission, legending and record keeping and will not take any action that would result in the Placement Agent or the Company being required to file with the Commission pursuant to Rule 433(d) of the Rules and Regulations a
free writing prospectus prepared by or on behalf of the Placement Agent that the Placement Agent otherwise would not have been required to file thereunder. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(c)&nbsp;If at any time prior to the expiration of nine months after the date of the Prospectus, solely when a prospectus relating to the Stock or the Warrants is required to be delivered (or in lieu thereof, the
notice referred to in Rule 173(a) of the Rules and Regulations), any event occurs or condition exists as a result of which the Prospectus as then amended or supplemented would include any untrue statement of a material fact, or omit to state any
material fact necessary to make the statements therein, in light of the circumstances under which they were made when the Prospectus is delivered (or in lieu thereof, the notice referred to in Rule 173(a) of the Rules and Regulations), not
misleading, or if it is necessary at any time to amend or supplement any Registration Statement or the Prospectus or to file under the Exchange Act any document incorporated by reference in the Prospectus to comply with the Securities Act or the
Exchange Act, that the Company will promptly notify the Placement Agent thereof and upon their request will prepare an appropriate amendment or supplement or upon their request make an appropriate filing pursuant to Section&nbsp;13 or 14 of the
Exchange Act in form and substance reasonably satisfactory to the Placement Agent which will correct such statement or omission or effect such compliance and will use its best efforts to have any amendment to any Registration Statement promptly
declared effective. The Company will furnish without charge to the Placement Agent and to any dealer in securities as many copies as the Placement Agent may from time to time reasonably request of such amendment or supplement. In case the Placement
Agent is required to deliver a prospectus (or in lieu thereof, the notice referred to in Rule 173(a) of the Rules and Regulations) relating to the Stock or the Warrants nine months or more after the date of the Prospectus, the Company upon the
request of the Placement Agent will prepare promptly an amended or supplemented Prospectus as may be necessary to permit compliance with the requirements of Section&nbsp;10(a)(3) of the Securities Act and deliver to the Placement Agent as many
copies as the Placement Agent may request of such amended or supplemented Prospectus complying with Section&nbsp;10(a)(3) of the Securities Act. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">13 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(d)&nbsp;If the General Disclosure Package is being used to solicit offers to buy the Units at a time
when the Prospectus is not yet available to prospective purchasers and any event shall occur as a result of which, in the judgment of the Company or in the reasonable opinion of the Placement Agent, it becomes necessary to amend or supplement the
General Disclosure Package in order to make the statements therein, in the light of the circumstances then prevailing, not misleading, or to make the statements therein not conflict with the information contained or incorporated by reference in the
Registration Statement then on file and not superseded or modified, or if it is necessary at any time to amend or supplement the General Disclosure Package to comply with any law, the Company promptly will either (i)&nbsp;prepare, file with the
Commission (if required) and furnish to the Placement Agent and any dealers an appropriate amendment or supplement to the General Disclosure Package or (ii)&nbsp;prepare and file with the Commission an appropriate filing under the Exchange Act which
shall be incorporated by reference in the General Disclosure Package so that the General Disclosure Package as so amended or supplemented will not, in the light of the circumstances then prevailing, be misleading or conflict with the Registration
Statement then on file, or so that the General Disclosure Package will comply with law. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(e)&nbsp;If at any time following issuance of an
Issuer Free Writing Prospectus in connection with the Offering there occurred or occurs an event or development as a result of which such Issuer Free Writing Prospectus conflicted or will conflict with the information contained in the Registration
Statement, Pricing Prospectus or Prospectus, including any document incorporated by reference therein and any prospectus supplement deemed to be a part thereof and not superseded or modified or included or would include an untrue statement of a
material fact or omitted or would omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances prevailing at the subsequent time, not misleading, the Company has
promptly notified or will promptly notify the Placement Agent so that any use of the Issuer Free Writing Prospectus may cease until it is amended or supplemented and has promptly amended or will promptly amend or supplement, at its own expense, such
Issuer Free Writing Prospectus to eliminate or correct such conflict, untrue statement or omission. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(f)&nbsp;To furnish promptly to
Placement Agent and to counsel for the Placement Agent, upon request, a signed copy of each of the Registration Statements as originally filed with the Commission, and of each amendment thereto filed with the Commission, including all consents and
exhibits filed therewith. To deliver promptly to the Placement Agent such number of the following documents as the Placement Agent shall reasonably request: (i)&nbsp;conformed copies of the Registration Statements as originally filed with the
Commission (in each case excluding exhibits), (ii)&nbsp;any Preliminary Prospectus, (iii)&nbsp;any Issuer Free Writing Prospectus, (iv)&nbsp;the Prospectus (the delivery of the documents referred to in clauses (i), (ii), (iii)&nbsp;and (iv)&nbsp;of
this paragraph (f)&nbsp;to be made not later than 10:00&nbsp;A.M., New York time, on the business day following the execution and delivery of this Agreement), (v)&nbsp;conformed copies of any amendment to the Registration Statement (excluding
exhibits), (vi)&nbsp;any amendment or supplement to the General Disclosure Package or the Prospectus (the delivery of the documents referred to in clauses (v)&nbsp;and (vi)&nbsp;of this paragraph (f)&nbsp;to be made not later than 10:00&nbsp;A.M.,
New York time, on the business day following the date of such amendment or supplement) and (vii)&nbsp;any document incorporated by reference in the General Disclosure Package or the Prospectus (excluding exhibits thereto) (the delivery of the
documents referred to in clause (vii)&nbsp;of this paragraph (f)&nbsp;to be made not later than 10:00&nbsp;A.M., New York time, on the business day following the date of such document). </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(g)&nbsp;To make generally available to its stockholders as soon as practicable, but in any event not later than 16&nbsp;months after the effective date
of the Registration Statement, an earnings statement (as defined in Rule 158(c) under the Securities Act) of the Company and its subsidiary (which need not be audited) complying with Section&nbsp;11(a) of the Securities Act and the Rules and
Regulations (including, at the option of the Company, Rule&nbsp;158). </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">14 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(h)&nbsp;The Company will promptly take from time to time such actions as the Placement Agent may
reasonably request to qualify the Securities for Offering and sale under the securities or Blue Sky laws of such jurisdictions as the Placement Agent may designate and to continue such qualifications in effect for so long as required for the
distribution of the Securities; <I>provided </I>that the Company and its subsidiary shall not be obligated to qualify as foreign corporations in any jurisdiction in which they are not so qualified or to file a general consent to service of process
in any jurisdiction. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(i)&nbsp;Upon request, during the period of five years from the date hereof, the Company will deliver to the
Placement Agent, (i)&nbsp;as soon as they are available, copies of all reports or other communications furnished to stockholders and (ii)&nbsp;as soon as they are available, copies of any reports and financial statements furnished or filed with the
Commission pursuant to the Exchange Act or any national securities exchange or automatic quotation system on which the Stock and the Warrant Stock is listed or quoted. However, so long as the Company is subject to the reporting requirements of
either Section&nbsp;13 or Section&nbsp;15(d) of the Exchange Act and is timely filing reports with the Commission on its Electronic Data Gathering, Analysis and Retrieval system (&#147;<U>EDGAR</U>&#148;), it is not required to furnish such reports
or statements to the Placement Agent. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(j)&nbsp;The Company will not directly or indirectly offer, sell, assign, transfer, pledge, contract
to sell, or otherwise dispose of any shares of Common Stock or securities convertible into or exercisable or exchangeable for Common Stock for a period of 90&nbsp;days from the date of this Agreement (the &#147;<U>Lock Up Period</U>&#148;) without
the prior written consent of the Placement Agent other than the Company&#146;s sale of the Units hereunder and the issuance of shares pursuant to the exercise of the Warrants or pursuant to (i)&nbsp;employee benefit plans, stock option plans or
other compensation plans as in existence on the date hereof and as described in the General Disclosure Package or (ii)&nbsp;currently outstanding options, warrants or rights; provided, however, that to the extent the Placement Agent is at such time
providing research coverage to the Company and subject to the restrictions set forth in FINRA Rule&nbsp;2711(f)(4), if (1)&nbsp;during the last 17&nbsp;days of the Lock-Up Period, the Company releases earnings results or material news or a material
event relating to the Company occurs or (2)&nbsp;prior to the expiration of the Lock-Up Period, the Company announces that it will release earnings results during the 16-day period beginning on the last day of the Lock-Up Period, then in each case
the Lock-Up Period will be extended until the expiration of the 18-day period beginning on the date of release of the earnings results or the occurrence of the material news or material event, as applicable, unless the Placement Agent waives, in
writing, such extension. The Company will cause each officer and director listed in <U>Schedule&nbsp;III</U> to this Agreement to furnish to the Placement Agent, prior to the Closing Date, a letter, substantially in the form of <U>Exhibit&nbsp;C</U>
hereto. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(k)&nbsp;To supply the Placement Agent with copies of all correspondence to and from, and all documents issued to and by, the
Commission in connection with the registration of the Securities under the Securities Act. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(l)&nbsp;Prior to the Closing Date, to furnish
to the Placement Agent, promptly after they have been prepared, copies of any unaudited interim consolidated financial statements of the Company for any periods subsequent to the periods covered by the financial statements appearing in the
Registration Statements and the Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(m)&nbsp;Prior to 9:30 A.M. New York time on the business day immediately subsequent to the
date hereof, to issue a press release reasonably acceptable to the Placement Agent disclosing the execution of this Agreement, the Subscription Agreements and the transaction contemplated hereby and thereby. Prior to the Closing Date, not to issue
any press release or other communication directly or indirectly or hold any press conference with respect to the Company, its condition, financial or otherwise, or earnings, business affairs or business prospects (except for routine oral marketing
communications in the ordinary course of business and consistent with the past practices of the Company and of which the </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">Placement Agent is notified in advance), without the prior written consent of the Placement Agent, unless in the judgment of the Company and its counsel, and
after notification to the Placement Agent, such press release or communication is required by law. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(n)&nbsp;Until the Placement Agent
shall have notified the Company of the completion of the Offering, the Company will not, and will cause its affiliated purchasers (as defined in Regulation&nbsp;M under the Exchange Act) not to, either alone or with one or more other persons, bid
for or purchase, for any account in which it or any of its affiliated purchasers has a beneficial interest, any Common Stock, or attempt to induce any person to purchase any Common Stock; and not to, and to cause its affiliated purchasers not to,
make bids or purchase for the purpose of creating actual, or apparent, active trading in or of raising the price of the Common Stock. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(o)&nbsp;Not to take any action prior to the Closing Date that would require the Prospectus to be amended or supplemented pursuant to <U>Section&nbsp;5(c)</U>. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(p)&nbsp;To at all times comply with all applicable provisions of the Sarbanes-Oxley Act in effect from time to time. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(q)&nbsp;To apply the net proceeds from the sale of the Stock and the Warrants as set forth in the Prospectus under the heading &#147;Use of Proceeds.&#148; </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(r) To reserve and keep available at all times a sufficient number of shares of Common Stock for the purpose of enabling the Company to issue the Warrant
Stock. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">6. <I>P<SMALL>AYMENT</SMALL> <SMALL>OF</SMALL> E<SMALL>XPENSES</SMALL></I><SMALL></SMALL>. The Company agrees to pay, or reimburse
if paid by the Placement Agent, whether or not the transactions contemplated hereby are consummated or this Agreement is terminated: (a)&nbsp;the costs incident to the authorization, issuance, sale, preparation and delivery of the Units to the
Purchasers and any taxes payable in that connection; (b)&nbsp;the costs incident to the registration of the Securities under the Securities Act; (c)&nbsp;the costs incident to the preparation, printing and distribution of the Registration
Statements, the Base Prospectus, any Preliminary Prospectus, any Issuer Free Writing Prospectus, the General Disclosure Package, the Prospectus, any amendments, supplements and exhibits thereto or any document incorporated by reference therein and
the costs of printing, reproducing and distributing this Agreement and the Subscription Agreements and any closing documents by mail, telex or other means of communications; (d)&nbsp;the reasonable and documented fees and expenses (including related
fees and expenses of counsel for the Placement Agent) incurred in connection with securing any required review by FINRA of the terms of the sale of the Stock and the Warrants and any filings made with FINRA, if applicable; (e)&nbsp;any applicable
listing or other fees; (f)&nbsp;the reasonable and documented fees and expenses (including related fees and expenses of counsel to the Placement Agent) of qualifying the Securities under the securities laws of the several jurisdictions as provided
in <U>Section&nbsp;5(h)</U> and of preparing, printing and distributing wrappers, blue sky memoranda and legal investment surveys; (g)&nbsp;the cost of preparing and printing stock certificates and warrants; (h)&nbsp;all fees and expenses of the
registrar and transfer agent of the Stock and the Warrant Stock; (i)&nbsp;the reasonable and documented fees, disbursements and expenses of counsel to the Placement Agent; (j)&nbsp;the costs and expenses of the Company relating to investor
presentations on any &#147;road show&#148; undertaken in connection with the marketing of the offering of the Units, including, without limitation, expenses associated with the preparation or dissemination of any electronic road show and expenses
associated with the production of road show slides and graphics, and (k)&nbsp;all other costs and expenses of the Company incident to the offering of the Units or the performance of the obligations of the Company under this Agreement (including,
without limitation, the fees and expenses of the Company&#146;s counsel and the Company&#146;s independent accountants); <I>provided </I>that notwithstanding the foregoing, the Company shall not be obligated to pay any such fees, costs, expenses and
disbursements of the Placement Agent and/or its counsel in excess of $125,000 in the aggregate; </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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<FONT FACE="Times New Roman" SIZE="2"><I>provided further</I> that, except to the extent otherwise provided in this <U>Section&nbsp;6</U> and in <U>Section&nbsp;10</U>, the Placement Agent shall
pay its own costs and expenses, including the fees and expenses of its counsel and the expenses of advertising any offering of the Units made by the Placement Agent. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2">7. <I>C<SMALL>ONDITIONS</SMALL> <SMALL>TO</SMALL> <SMALL>THE</SMALL> <SMALL>OBLIGATIONS</SMALL> <SMALL>OF</SMALL> <SMALL>THE</SMALL> P<SMALL>LACEMENT</SMALL> A<SMALL>GENT</SMALL> <SMALL>AND</SMALL> <SMALL>THE</SMALL>
P<SMALL>URCHASERS</SMALL>, <SMALL>AND</SMALL> <SMALL>THE</SMALL> S<SMALL>ALE</SMALL> <SMALL>OF</SMALL> <SMALL>THE</SMALL> U<SMALL>NITS</SMALL>.</I> The respective obligations of the Placement Agent hereunder and the Purchasers to acquire the Units
are subject to the accuracy, when made and as of the Applicable Time and on the Closing Date, of the representations and warranties of the Company contained herein, to the accuracy of the statements of the Company made in any certificates pursuant
to the provisions hereof, to the performance by the Company of its obligations hereunder, and to each of the following additional terms and conditions: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(a)&nbsp;The Registration Statement is effective under the Securities Act, and no stop order suspending the effectiveness of any Registration Statement or any part thereof, preventing or suspending the use of any Base
Prospectus, any Preliminary Prospectus, the Prospectus or any Permitted Free Writing Prospectus or any part thereof shall have been issued and no proceedings for that purpose or pursuant to Section&nbsp;8A under the Securities Act shall have been
initiated or threatened by the Commission, and all requests for additional information on the part of the Commission (to be included or incorporated by reference in the Registration Statements or the Prospectus or otherwise) shall have been complied
with to the reasonable satisfaction of the Placement Agent; and the Rule 462(b) Registration Statement, if any, any Issuer Free Writing Prospectus (except for a &#147;road show&#148;) and the Prospectus shall have been filed with, the Commission
within the applicable time period prescribed for such filing by, and in compliance with, the Rules and Regulations and in accordance with <U>Section&nbsp;5(a)</U>, and the Rule 462(b) Registration Statement, if any, shall have become effective
immediately upon its filing with the Commission; and, if applicable, FINRA shall have raised no objection to the fairness and reasonableness of the terms of this Agreement or the transactions contemplated hereby. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(b)&nbsp;The Placement Agent shall not have discovered and disclosed to the Company on or prior to the Closing Date that any Registration Statement or
any amendment or supplement thereto contains an untrue statement of a fact that, in the opinion of counsel for the Placement Agent, is material or omits to state any fact that, in the opinion of such counsel, is material and is required to be stated
therein or is necessary to make the statements therein not misleading, or that the General Disclosure Package, any Issuer Free Writing Prospectus or the Prospectus or any amendment or supplement thereto contains an untrue statement of fact which, in
the opinion of such counsel, is material or omits to state any fact that, in the opinion of such counsel, is material and is necessary in order to make the statements, in the light of the circumstances in which they were made, not misleading.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(c)&nbsp;All corporate proceedings and other legal matters incident to the authorization, form and validity of each of this Agreement, the
Subscription Agreements, the Stock, the Warrants, the Warrant Stock, the Registration Statements, the General Disclosure Package, each Issuer Free Writing Prospectus and the Prospectus and all other legal matters relating to this Agreement and the
transactions contemplated hereby shall be reasonably satisfactory in all material respects to counsel for the Placement Agent, and the Company shall have furnished to such counsel all documents and information that they may reasonably request to
enable them to pass upon such matters. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(d)&nbsp;Cooley Godward Kronish LLP, as counsel to the Company, shall have furnished to the
Placement Agent (i)&nbsp;such counsel&#146;s written opinion, addressed to the Placement Agent and dated the Closing Date, in substantially the form attached hereto as <U>Exhibit&nbsp;D-1</U> and (ii)&nbsp;such counsel&#146;s written negative
assurance statement, addressed to the Placement Agent and dated the Closing Date, in substantially the form attached hereto as <U>Exhibit&nbsp;D-2</U>. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(e)&nbsp;The Placement Agent shall have received from Goodwin Procter LLP, counsel for the Placement
Agent, such opinion or opinions, dated the Closing Date, with respect to such matters as the Placement Agent may reasonably require, and the Company shall have furnished to such counsel such documents as they reasonably request for enabling them to
pass upon such matters. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(f)&nbsp;At the time of the execution of this Agreement, the Placement Agent shall have received from
Ernst&nbsp;&amp; Young LLP a letter, addressed to the Placement Agent, executed and dated such date, in form and substance satisfactory to the Placement Agent (i)&nbsp;confirming that they are an independent registered accounting firm with respect
to the Company and its subsidiary within the meaning of the Securities Act and the Rules and Regulations and the PCAOB and (ii)&nbsp;stating the conclusions and findings of such firm, of the type ordinarily included in accountants&#146;
&#147;comfort letters&#148; to underwriters, with respect to the financial statements and certain financial information contained or incorporated by reference in the Registration Statements, the General Disclosure Package and the Prospectus.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(g)&nbsp;On the effective date of any post-effective amendment to any Registration Statement and on the Closing Date, the Placement Agent
shall have received a letter (the &#147;<U>bring-down letter</U>&#148;) from Ernst&nbsp;&amp; Young LLP addressed to the Placement Agent and dated the Closing Date confirming, as of the date of the bring-down letter (or, with respect to matters
involving changes or developments since the respective dates as of which specified financial information is given in the General Disclosure Package and the Prospectus, as the case may be, as of a date not more than three (3)&nbsp;business days prior
to the date of the bring-down letter), the conclusions and findings of such firm, of the type ordinarily included in accountants&#146; &#147;comfort letters&#148; to underwriters, with respect to the financial information and other matters covered
by its letter delivered to the Placement Agent concurrently with the execution of this Agreement pursuant to paragraph (f)&nbsp;of this <U>Section&nbsp;7</U>. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(h)&nbsp;The Company shall have furnished to the Placement Agent and the Purchasers a certificate, dated the Closing Date, of its Chief Executive Officer or President and its Vice President, Finance and Chief
Accounting Officer stating in their capacities as officers of the Company that (i)&nbsp;such officers have carefully examined the Registration Statement, the General Disclosure Package, any Permitted Free Writing Prospectus and the Prospectus and,
in their opinion, (A)&nbsp;the Registration Statement and each amendment thereto, at the Applicable Time and as of the date of this Agreement, did not include any untrue statement of a material fact and did not omit to state a material fact required
to be stated therein or necessary to make the statements therein not misleading, and (B)&nbsp;the General Disclosure Package, as of the Applicable Time, and the Prospectus and each amendment or supplement thereto, as of the respective date thereof
and as of the Closing Date, did not include any untrue statement of a material fact and did not omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances in which they were made, not
misleading, (ii)&nbsp;since the effective date of the Initial Registration Statement, no event has occurred that should have been set forth in a supplement or amendment to the Registration Statement, the General Disclosure Package or the Prospectus,
that was not so set forth, (iii)&nbsp;to their knowledge after reasonable investigation, as of the Closing Date, the representations and warranties of the Company in this Agreement are true and correct and the Company has complied with all
agreements and satisfied all conditions on its part to be performed or satisfied hereunder at or prior to the Closing Date, and (iv)&nbsp;there has not been, subsequent to the date of the most recent audited financial statements included or
incorporated by reference in the General Disclosure Package, any material adverse change in the financial position or results of operations of the Company and its subsidiary taken as a whole, or any change or development that, singularly or in the
aggregate, would reasonably be expected to involve a material adverse change in or affecting the condition (financial or otherwise), results of operations, business or prospects of the Company and its subsidiary taken as a whole, except as set forth
in the Prospectus. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(i)&nbsp;Since the date of the latest audited financial statements included in the General Disclosure
Package or incorporated by reference in the General Disclosure Package as of the date hereof, (i)&nbsp;neither the Company nor its subsidiary shall have sustained any loss or interference with its business from fire, explosion, flood or other
calamity, whether or not covered by insurance, or from any labor dispute or court or governmental action, order or decree, otherwise than as set forth in the General Disclosure Package, and (ii)&nbsp;there shall not have been any change in the
capital stock (other than issuance of options in the ordinary course of business and pursuant to the Company&#146;s stock option plans described in the General Disclosure Package and the Prospectus or Common Stock issued pursuant to the exercise of
warrants or upon the exercise of stock options previously outstanding under the Company&#146;s stock option plans and the issuance of Common Stock pursuant to employee stock purchase plans) or long-term debt of the Company or its subsidiary, or any
change, or any development involving a prospective change, in or affecting the business, general affairs, management, financial position, stockholders&#146; equity or results of operations of the Company and its subsidiary, otherwise than as set
forth in the General Disclosure Package, the effect of which, in any such case described in clause (i)&nbsp;or (ii)&nbsp;of this paragraph (i), is, in the judgment of the Placement Agent, so material and adverse as to make it impracticable or
inadvisable to proceed with the sale or delivery of the Units on the terms and in the manner contemplated in the General Disclosure Package. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(j)&nbsp;No action shall have been taken and no law, statute, rule, regulation or order shall have been enacted, adopted or issued by any governmental agency or body that would prevent the issuance or sale of the Units or that would
materially and adversely affect the business or operations of the Company; and no injunction, restraining order or order of any other nature by any federal or state court of competent jurisdiction shall have been issued which would prevent the
issuance or sale of the Stock, the Warrants or the Warrant Stock or materially and adversely affect or potentially materially and adversely affect the business or operations of the Company and its subsidiary. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(k)&nbsp;Subsequent to the execution and delivery of this Agreement there shall not have occurred any of the following: (i)&nbsp;trading in securities
generally on the New York Stock Exchange, Nasdaq Global Market or the NYSE Amex LLC or in the over-the-counter market, or trading in any securities of the Company on any exchange or in the over-the-counter market, shall have been suspended or
materially limited, or minimum or maximum prices or maximum range for prices shall have been established on any such exchange or such market by the Commission, by such exchange or market or by any other regulatory body or governmental authority
having jurisdiction, (ii)&nbsp;a banking moratorium shall have been declared by Federal or state authorities or a material disruption has occurred in commercial banking or securities settlement or clearance services in the United States,
(iii)&nbsp;the United States shall have become engaged in hostilities, or the subject of an act of terrorism, or there shall have been an outbreak of or escalation in hostilities involving the United States, or there shall have been a declaration of
a national emergency or war by the United States or (iv)&nbsp;there shall have occurred such a material adverse change in general economic, political or financial conditions (or the effect of international conditions on the financial markets in the
United States shall be such) as to make it, in the judgment of the Placement Agent, impracticable or inadvisable to proceed with the sale or delivery of the Units on the terms and in the manner contemplated in the General Disclosure Package and the
Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(l)&nbsp;The Stock and the Warrant Stock shall have been approved for listing on the Nasdaq Global Market. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(m)&nbsp;The Placement Agent shall have received the written agreements, substantially in the form of <U>Exhibit&nbsp;C</U> hereto, of the officers and
directors of the Company listed in <U>Schedule&nbsp;III</U> to this Agreement. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">19 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(n)&nbsp;The Company shall have entered into the Subscription Agreements and such agreements shall be in
full force and effect. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(o)&nbsp;The Company shall have prepared and filed with the Commission a Current Report on Form 8-K with respect to
the Offering, which shall include as an exhibit thereto this Agreement and the Subscription Agreements. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(p)&nbsp;The Company shall have
furnished to the Placement Agent a Secretary&#146;s Certificate of the Company, substantially in the form of <U>Exhibit&nbsp;E</U> hereto. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(q) On or prior to the Closing Date, the Company shall have furnished to the Placement Agent such further certificates and documents as the Placement Agent may reasonably request. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">All opinions, letters, evidence and certificates mentioned above or elsewhere in this Agreement shall be deemed to be in compliance with the provisions
hereof only if they are in form and substance reasonably satisfactory to counsel for the Placement Agent. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">8.
<I>I<SMALL>NDEMNIFICATION</SMALL> <SMALL>AND</SMALL> C<SMALL>ONTRIBUTION</SMALL>. </I> </FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(a)&nbsp;The Company shall indemnify and hold
harmless the Placement Agent, its directors, officers, managers, members, employees, representatives and agents and each person, if any, who controls the Placement Agent within the meaning of Section&nbsp;15 of the Securities Act or Section&nbsp;20
of the Exchange Act (collectively the &#147;<U>Placement Agent Indemnified Parties</U>,&#148; and each a &#147;<U>Placement Agent Indemnified Party</U>&#148;) against any loss, claim, damage, expense or liability whatsoever (or any action,
investigation or proceeding in respect thereof), joint or several, to which such Placement Agent Indemnified Party may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, expense, liability, action,
investigation or proceeding arises out of or is based upon (A)&nbsp;any untrue statement or alleged untrue statement of a material fact contained in any Preliminary Prospectus, any Issuer Free Writing Prospectus, any &#147;issuer information&#148;
filed or required to be filed pursuant to Rule 433(d) of the Rules and Regulations, any Registration Statement or the Prospectus, or in any amendment or supplement thereto or document incorporated by reference therein, or (B)&nbsp;the omission or
alleged omission to state in any Preliminary Prospectus, any Issuer Free Writing Prospectus, any &#147;issuer information&#148; filed or required to be filed pursuant to Rule 433(d) of the Rules and Regulations, any Registration Statement or the
Prospectus, or in any amendment or supplement thereto or document incorporated by reference therein, a material fact required to be stated therein or necessary to make the statements therein in light of (other than in the case of any Registration
Statement) the circumstances under which they are made not misleading, or (C)&nbsp;any breach of the representations and warranties of the Company contained herein or the failure of the Company to perform its obligations hereunder or pursuant to any
law, or (D)&nbsp;any act or failure to act, or any alleged act or failure to act, by the Placement Agent in connection with, or relating in any manner to, the Units or the offering contemplated hereby, and that is included as part of or referred to
in any loss, claim, damage, expense, liability, action, investigation or proceeding arising out of or based upon matters covered by subclause (A), (B)&nbsp;or (C)&nbsp;above of this <U>Section&nbsp;8(a) </U>(provided that the Company shall not be
liable in the case of any matter covered by this subclause (D)&nbsp;to the extent that it is determined in a final judgment by a court of competent jurisdiction that such loss, claim, damage, expense or liability resulted primarily from any such act
or failure to act undertaken or omitted to be taken by the Placement Agent through its gross negligence or willful misconduct) and shall reimburse each Placement Agent Indemnified Party promptly upon demand for any legal fees or other expenses
reasonably incurred by that Placement Agent Indemnified Party in connection with investigating, or preparing to defend, or defending against, or appearing as a third party witness in respect of, or otherwise incurred in connection with, any such
loss, claim, damage, expense, liability, action, investigation or proceeding, as such fees and expenses are incurred; <I>provided</I>, <I>however</I>, that the </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">Company shall not be liable in any such case to the extent that any such loss, claim, damage, expense or liability arises out of or is based upon an untrue
statement or alleged untrue statement in, or omission or alleged omission from any Preliminary Prospectus, any Registration Statement or the Prospectus, or any such amendment or supplement thereto, or any Issuer Free Writing Prospectus made in
reliance upon and in conformity with written information furnished to the Company by the Placement Agent specifically for use therein, which information the parties hereto agree is limited to the Placement Agent&#146;s Information. This indemnity
agreement in this <U>Section&nbsp;8(a)</U> is not exclusive and is in addition to any liability that the Company might otherwise have, and shall not limit any rights or remedies that may otherwise be available under this Agreement at law or in
equity to any Placement Agent Indemnified Party. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(b)&nbsp;The Placement Agent shall indemnify and hold harmless the Company and its
directors, its officers who signed the Registration Statement and each person, if any, who controls the Company within the meaning of Section&nbsp;15 of the Securities Act or Section&nbsp;20 of the Exchange Act (collectively the &#147;<U>Company
Indemnified Parties</U>&#148; and each a &#147;<U>Company Indemnified Party</U>&#148;) against any loss, claim, damage, expense or liability whatsoever (or any action, investigation or proceeding in respect thereof), joint or several, to which such
Company Indemnified Party may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, expense, liability, action, investigation or proceeding arises out of or is based upon (i)&nbsp;any untrue statement or alleged
untrue statement of a material fact contained in any Preliminary Prospectus, any Issuer Free Writing Prospectus, any &#147;issuer information&#148; filed or required to be filed pursuant to Rule 433(d) of the Rules and Regulations, any Registration
Statement or the Prospectus, or in any amendment or supplement thereto, or (ii)&nbsp;the omission or alleged omission to state in any Preliminary Prospectus, any Issuer Free Writing Prospectus, any &#147;issuer information&#148; filed or required to
be filed pursuant to Rule 433(d) of the Rules and Regulations, any Registration Statement or the Prospectus, or in any amendment or supplement thereto, a material fact required to be stated therein or necessary to make the statements therein in
light of (other than in the case of any Registration Statement) the circumstances under which they are made not misleading, but in each case only to the extent that the untrue statement or alleged untrue statement or omission or alleged omission was
made in reliance upon and in conformity with written information furnished to the Company by the Placement Agent specifically for use therein, which information the parties hereto agree is limited to the Placement Agent&#146;s Information, and shall
reimburse the Company Indemnified Parties for any legal or other expenses reasonably incurred by such party in connection with investigating or preparing to defend or defending against or appearing as third party witness in connection with any such
loss, claim, damage, liability, action, investigation or proceeding, as such fees and expenses are incurred. This indemnity agreement is not exclusive and will be in addition to any liability which the Placement Agent might otherwise have and shall
not limit any rights or remedies which may otherwise be available under this Agreement, at law or in equity to the Company Indemnified Parties. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(c)&nbsp;Promptly after receipt by an indemnified party under this <U>Section&nbsp;8</U> of notice of the commencement of any action, the indemnified party shall, if a claim in respect thereof is to be made against an indemnifying party
under this <U>Section&nbsp;8</U>, notify such indemnifying party in writing of the commencement of that action; <I>provided, however, </I>that the failure to notify the indemnifying party shall not relieve it from any liability which it may have
under this <U>Section&nbsp;8</U> except to the extent it has been materially prejudiced by such failure; and, <I>provided, further, </I>that the failure to notify an indemnifying party shall not relieve it from any liability which it may have to an
indemnified party otherwise than under this <U>Section&nbsp;8</U>. If any such action shall be brought against an indemnified party, and it shall notify the indemnifying party thereof, the indemnifying party shall be entitled to participate therein
and, to the extent that it wishes, jointly with any other similarly notified indemnifying party, to assume the defense of such action with counsel reasonably satisfactory to the indemnified party (which counsel shall not, except with the written
consent of the indemnified party, be counsel to the indemnifying party). After notice from the indemnifying party to the indemnified party of its election to assume the defense of such action, except as provided herein, the indemnifying party shall
not be liable to the indemnified party </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">under <U>Section&nbsp;8</U> for any legal or other expenses subsequently incurred by the indemnified party in connection with the defense of such action
other than reasonable costs of investigation; <I>provided, however, </I>that any indemnified party shall have the right to employ separate counsel in any such action and to participate in the defense of such action but the fees and expenses of such
counsel (other than reasonable costs of investigation) shall be at the expense of such indemnified party unless (i)&nbsp;the employment thereof has been specifically authorized in writing by the Company in the case of a claim for indemnification
under <U>Section&nbsp;8(a)</U> or the Placement Agent in the case of a claim for indemnification under <U>Section&nbsp;8(b)</U>, (ii)&nbsp;such indemnified party shall have been advised by its counsel that there may be one or more legal defenses
available to it which are different from or additional to those available to the indemnifying party or (iii)&nbsp;the indemnifying party has failed to assume the defense of such action and employ counsel reasonably satisfactory to the indemnified
party within a reasonable period of time after notice of the commencement of the action or the indemnifying party does not diligently defend the action after assumption of the defense, in which case, if such indemnified party notifies the
indemnifying party in writing that it elects to employ separate counsel at the expense of the indemnifying party, the indemnifying party shall not have the right to assume the defense of (or, in the case of a failure to diligently defend the action
after assumption of the defense, to continue to defend) such action on behalf of such indemnified party and the indemnifying party shall be responsible for legal or other expenses subsequently incurred by such indemnified party in connection with
the defense of such action; <I>provided</I>, <I>however</I>, that the indemnifying party shall not, in connection with any one such action or separate but substantially similar or related actions in the same jurisdiction arising out of the same
general allegations or circumstances, be liable for the reasonable fees and expenses of more than one separate firm of attorneys at any time for all such indemnified parties (in addition to any local counsel), which firm shall be designated in
writing by the Placement Agent if the indemnified parties under this <U>Section&nbsp;8</U> consist of any Placement Agent Indemnified Party or by the Company if the indemnified parties under this <U>Section&nbsp;8</U> consist of any Company
Indemnified Parties. Subject to this <U>Section&nbsp;8</U>, the amount payable by an indemnifying party under this <U>Section&nbsp;8</U> shall include, but not be limited to, (x)&nbsp;reasonable legal fees and expenses of counsel to the indemnified
party and any other expenses in investigating, or preparing to defend or defending against, or appearing as a third party witness in respect of, or otherwise incurred in connection with, any action, investigation, proceeding or claim, and
(y)&nbsp;all amounts paid in settlement of any of the foregoing. No indemnifying party shall, without the prior written consent of the indemnified parties, settle or compromise or consent to the entry of judgment with respect to any pending or
threatened action or any claim whatsoever, in respect of which indemnification or contribution could be sought under this <U>Section&nbsp;8</U> (whether or not the indemnified parties are actual or potential parties thereto), unless such settlement,
compromise or consent (i)&nbsp;includes an unconditional release of each indemnified party in form and substance reasonably satisfactory to such indemnified party from all liability arising out of such action or claim and (ii)&nbsp;does not include
a statement as to or an admission of fault, culpability or a failure to act by or on behalf of any indemnified party. Subject to the provisions of the following sentence, no indemnifying party shall be liable for settlement of any pending or
threatened action or any claim whatsoever that is effected without its written consent (which consent shall not be unreasonably withheld or delayed), but if settled with its written consent, if its consent has been unreasonably withheld or delayed
or if there be a judgment for the plaintiff in any such matter, the indemnifying party agrees to indemnify and hold harmless any indemnified party from and against any loss or liability by reason of such settlement or judgment. In addition, if at
any time an indemnified party shall have requested that an indemnifying party reimburse the indemnified party for reasonable fees and expenses of counsel, such indemnifying party agrees that it shall be liable for any settlement of the nature
contemplated by <U>Section&nbsp;8(a)</U> effected without its written consent if (i)&nbsp;such settlement is entered into more than forty-five (45)&nbsp;days after receipt by such indemnifying party of the request for reimbursement, (ii)&nbsp;such
indemnifying party shall have received notice of the terms of such settlement at least thirty (30)&nbsp;days prior to such settlement being entered into and (iii)&nbsp;such indemnifying party shall not have reimbursed such indemnified party in
accordance with such request prior to the date of such settlement. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(d)&nbsp;If the indemnification provided for in this <U>Section&nbsp;8</U> is unavailable or insufficient
to hold harmless an indemnified party under <U>Section&nbsp;8(a)</U> or <U>8(b)</U>, then each indemnifying party shall, in lieu of indemnifying such indemnified party, contribute to the amount paid, payable or otherwise incurred by such indemnified
party as a result of such loss, claim, damage, expense or liability (or any action, investigation or proceeding in respect thereof), as incurred, (i)&nbsp;in such proportion as shall be appropriate to reflect the relative benefits received by the
Company on the one hand and the Placement Agent on the other hand from the offering of the Units, or (ii)&nbsp;if the allocation provided by clause (i)&nbsp;of this <U>Section&nbsp;8(d)</U> is not permitted by applicable law, in such proportion as
is appropriate to reflect not only the relative benefits referred to in clause (i)&nbsp;of this <U>Section&nbsp;8(d)</U> but also the relative fault of the Company on the one hand and the Placement Agent on the other with respect to the statements,
omissions, acts or failures to act which resulted in such loss, claim, damage, expense or liability (or any action, investigation or proceeding in respect thereof) as well as any other relevant equitable considerations. The relative benefits
received by the Company on the one hand and the Placement Agent on the other with respect to the Offering shall be deemed to be in the same proportion as the total net proceeds from the Offering of the Units purchased by the Purchasers (before
deducting expenses) received by the Company bear to the total fees received by the Placement Agent with respect to the Units purchased pursuant to this Agreement, in each case as set forth in the table on the cover page of the Prospectus. The
relative fault of the Company on the one hand and the Placement Agent on the other shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to
state a material fact relates to information supplied by the Company on the one hand or the Placement Agent on the other, the intent of the parties and their relative knowledge, access to information and opportunity to correct or prevent such untrue
statement, omission, act or failure to act; <I>provided </I>that the parties hereto agree that the written information furnished to the Company by the Placement Agent for use in any Preliminary Prospectus, any Registration Statement or the
Prospectus, or in any amendment or supplement thereto, consists solely of the Placement Agent&#146;s Information. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(e)&nbsp;The Company and
the Placement Agent agree that it would not be just and equitable if contributions pursuant to <U>Section&nbsp;8(d)</U> above were to be determined by pro rata allocation or by any other method of allocation which does not take into account the
equitable considerations referred to <U>Section&nbsp;8(d)</U> above. The amount paid or payable by an indemnified party as a result of the loss, claim, damage, expense, liability, action, investigation or proceeding referred to in
<U>Section&nbsp;8(d)</U> above shall be deemed to include, subject to the limitations set forth above, any legal or other expenses reasonably incurred by such indemnified party in connection with investigating, preparing to defend or defending
against or appearing as a third party witness in respect of, or otherwise incurred in connection with, any such loss, claim, damage, expense, liability, action, investigation or proceeding. Notwithstanding the provisions of this
<U>Section&nbsp;8(e)</U>, the Placement Agent shall not be required to contribute any amount in excess of the total compensation received by the Placement Agent in accordance with <U>Section&nbsp;2(e)</U> less the amount of any damages which the
Placement Agent has otherwise paid or become liable to pay by reason of any untrue or alleged untrue statement, omission or alleged omission, act or alleged act or failure to act or alleged failure to act. No person guilty of fraudulent
misrepresentation (within the meaning of Section&nbsp;11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">9. <I>T<SMALL>ERMINATION</SMALL>.</I> The obligations of the Placement Agent hereunder and the Purchasers to purchase the Units may be terminated by the
Placement Agent, in its absolute discretion by notice given to the Company prior to delivery of and payment for the Units if, prior to that time, any of the events described in <U>Sections 7(i)</U> or <U>7(k)</U> have occurred or if the Purchasers
shall decline to purchase the Units for any reason permitted under this Agreement or pursuant to their purchase obligations under the Subscription Agreements. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">10. <I>R<SMALL>EIMBURSEMENT</SMALL> <SMALL>OF</SMALL> P<SMALL>LACEMENT</SMALL>
A<SMALL>GENT</SMALL>&#146;<SMALL>S</SMALL> E<SMALL>XPENSES</SMALL></I><SMALL></SMALL>. Notwithstanding anything to the contrary in this Agreement, if (a)&nbsp;this Agreement shall have been terminated pursuant to <U>Section&nbsp;9</U>, (b)&nbsp;the
Company shall fail to tender the Units for delivery to the Purchasers for any reason not permitted under this Agreement, (c)&nbsp;the Purchasers shall decline to purchase the Units for any reason permitted under this Agreement or pursuant to their
purchase obligations under the Subscription Agreements or (d)&nbsp;the sale of the Units is not consummated (i)&nbsp;because any condition to the obligations of the Placement Agent or the Purchasers set forth herein is not satisfied or
(ii)&nbsp;because of the refusal, inability or failure on the part of the Company to perform any agreement herein or to satisfy any condition or to comply with the provisions hereof, then in addition to the payment of amounts in accordance with
<U>Section&nbsp;6</U>, the Company shall reimburse the Placement Agent for the reasonable and documented fees and expenses of Placement Agent&#146;s counsel and for such out-of-pocket expenses as shall have been reasonably incurred by the Placement
Agent in connection with this Agreement and the proposed purchase of the Units, including, without limitation, travel and lodging expenses of the Placement Agent, and upon demand the Company shall pay the full amount thereof to the Placement Agent;
provided that notwithstanding the foregoing, the Company shall not be obligated to pay any such fees, costs or expenses of the Placement Agent and/or its counsel in excess of $125,000 in the aggregate in the event of the circumstances set forth in
clauses (a), (c), or (d)(i) above. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">11. <I>A<SMALL>BSENCE</SMALL> <SMALL>OF</SMALL> F<SMALL>IDUCIARY</SMALL> R<SMALL>ELATIONSHIP</SMALL>.
</I>The Company acknowledges and agrees that: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(a)&nbsp;the Placement Agent&#146;s responsibility to the Company is solely contractual in
nature, the Placement Agent has been retained solely to act as placement agent in connection with the sale of the Stock and the Warrants and no fiduciary, advisory or agency relationship between the Company and the Placement Agent has been created
in respect of any of the transactions contemplated by this Agreement, irrespective of whether the Placement Agent has advised or is advising the Company on other matters; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">(b)&nbsp;the price of the Units set forth in this Agreement was established by the Company following discussions with the Placement Agent and arms-length negotiations with the Purchasers, and the Company is capable of
evaluating and understanding, and understands and accepts, the terms, risks and conditions of the transactions contemplated by this Agreement; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(c)&nbsp;it has been advised that the Placement Agent and its affiliates are engaged in a broad range of transactions which may involve interests that differ from those of the Company and that the Placement Agent has no obligation to
disclose such interests and transactions to the Company by virtue of any fiduciary, advisory or agency relationship; and </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(d)&nbsp;it
waives, to the fullest extent permitted by law, any claims it may have against the Placement Agent for breach of fiduciary duty or alleged breach of fiduciary duty and agrees that the Placement Agent shall have no liability (whether direct or
indirect) to the Company in respect of such a fiduciary duty claim or to any person asserting a fiduciary duty claim on behalf of or in right of the Company, including stockholders, employees or creditors of the Company. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">12. <I>S<SMALL>UCCESSORS</SMALL>; P<SMALL>ERSONS</SMALL> E<SMALL>NTITLED</SMALL> <SMALL>TO</SMALL> B<SMALL>ENEFIT</SMALL> <SMALL>OF</SMALL>
A<SMALL>GREEMENT</SMALL></I><SMALL></SMALL>. This Agreement shall inure to the benefit of and be binding upon the Placement Agent, the Company and their respective successors and assigns. Nothing expressed or mentioned in this Agreement is intended
or shall be construed to give any person, other than those persons mentioned in the preceding sentence or otherwise explicitly mentioned in this Agreement, any legal or equitable right, remedy or claim under or in respect of this Agreement, or any
provisions herein contained, this Agreement and all conditions and provisions hereof being intended to be and being for the sole and exclusive benefit of such persons and for the benefit of no other person; except that (i)&nbsp;the representations,
warranties, covenants, agreements and indemnities of the Company contained in this Agreement shall also be for the benefit of the Placement Agent Indemnified Parties, (ii)</FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">24 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">the indemnities of the Placement Agent shall be for the benefit of the Company Indemnified Parties and (iii)&nbsp;the representations and warranties of the
Company contained in this Agreement shall also be for the benefit of the Purchasers. It is understood that Placement Agent&#146;s responsibility to the Company is solely contractual in nature and the Placement Agent does not owe the Company, or any
other party, any fiduciary duty as a result of this Agreement. No Purchaser shall be deemed to be a successor or assign by reason merely of such purchase. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2"><I></I>13<I>. S<SMALL>URVIVAL</SMALL> <SMALL>OF</SMALL> I<SMALL>NDEMNITIES</SMALL>, R<SMALL>EPRESENTATIONS</SMALL>, W<SMALL>ARRANTIES</SMALL>, <SMALL>ETC</SMALL>.</I> The respective indemnities, covenants, agreements,
representations, warranties and other statements of the Company and the Placement Agent, as set forth in this Agreement or made by them respectively, pursuant to this Agreement, shall remain in full force and effect, regardless of any investigation
made by or on behalf of the Placement Agent, the Company, the Purchasers or any person controlling any of them and shall survive delivery of and payment for the Units. Notwithstanding any termination of this Agreement, including without limitation
any termination pursuant to <U>Section&nbsp;9</U>, the indemnities, contribution, covenants, agreements, representations, warranties and other statements forth in <U>Sections&nbsp;3</U>, <U>6</U>, <U>8</U>, and <U>10</U> and <U>Sections&nbsp;11</U>
through <U>20</U>, inclusive, of this Agreement shall not terminate and shall remain in full force and effect at all times. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">14.
<I>N<SMALL>OTICES</SMALL></I><SMALL></SMALL>. All statements, requests, notices and agreements hereunder shall be in writing, and: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">(a)&nbsp;if to the Placement Agent, shall be delivered or sent by mail, telex, facsimile transmission or email to Cowen and Company, LLC, 1221 Avenue of the Americas, New York, NY 10020, Attention: Grant Miller, Managing Director &#150;
Capital Markets, Fax: 646-562-1249, with a copy to the General Counsel, Fax: 646-562-1861, and with a copy (which shall not constitute notice hereunder) to Goodwin Procter LLP, The New York Times Building, 620 Eighth Avenue, New York, NY 10018,
Attention: Michael D. Maline, Esq., Fax: 212-355-3333; and </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">(b)&nbsp;if to the Company, shall be delivered or sent by mail, telex,
facsimile transmission or email to Cerus Corporation, 2411 Stanwell Drive, Concord, CA 94520, Attention: Claes Glassell, President and Chief Executive Officer, Fax: 925-288-6001, with a copy (which shall not constitute notice hereunder) to Cooley
Godward Kronish LLP, Five Palo Alto Square, 3000 El Camino Real, Palo Alto, CA 94306, Attention: Suzanne Sawochka Hooper, Esq., Fax: 650-849-7400. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman"
SIZE="2">Any such statements, requests, notices or agreements shall take effect at the time of receipt thereof. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman"
SIZE="2">15.&nbsp;<I>D<SMALL>EFINITION</SMALL> <SMALL>OF</SMALL> C<SMALL>ERTAIN</SMALL> T<SMALL>ERMS</SMALL></I><SMALL></SMALL>. For purposes of this Agreement, (a)&nbsp;&#147;<U>business day</U>&#148; means any day on which the New York Stock
Exchange, Inc. is open for trading and (b)&nbsp;&#147;<U>subsidiary</U>&#148; has the meaning set forth in Rule&nbsp;405 of the Rules and Regulations. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2">16.&nbsp;<I>G<SMALL>OVERNING</SMALL> L<SMALL>AW</SMALL>, J<SMALL>URISDICTION</SMALL>. </I><B>This Agreement shall be governed by and construed in accordance with the laws of the State of New York, including without
limitation Section&nbsp;5-1401 of the New York General Obligations.</B><I> </I>The Company irrevocably (a)&nbsp;submits to the non-exclusive jurisdiction of the Federal and state courts in the Borough of Manhattan in The City of New York for the
purpose of any suit, action or other proceeding arising out of this Agreement or the transactions contemplated by this Agreement, the Registration Statements and any Preliminary Prospectus or the Prospectus, (b)&nbsp;agrees that all claims in
respect of any such suit, action or proceeding may be heard and determined by any such court, (c)&nbsp;waives to the fullest extent permitted by applicable law, any immunity from the jurisdiction of any such court or from any legal process,
(d)&nbsp;agrees not to commence any such suit, action or proceeding other than in such courts, and (e)&nbsp;waives, to the fullest extent permitted by applicable law, any claim that any such suit, action or proceeding is brought in an inconvenient
forum </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">25 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">17.&nbsp;<I>P<SMALL>LACEMENT</SMALL> A<SMALL>GENT</SMALL>&#146;<SMALL>S</SMALL>
I<SMALL>NFORMATION</SMALL>. </I>The parties hereto acknowledge and agree that, for all purposes of this Agreement, the Placement Agent&#146;s Information consists solely of the following information in the Prospectus: the fourth paragraph under the
heading &#147;Plan of Distribution&#148; in the Prospectus Supplement. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">18.&nbsp;<I>P<SMALL>ARTIAL</SMALL> U<SMALL>NENFORCEABILITY</SMALL>.
</I>The invalidity or unenforceability of any section, paragraph, clause or provision of this Agreement shall not affect the validity or enforceability of any other section, paragraph, clause or provision hereof. If any section, paragraph, clause or
provision of this Agreement is for any reason determined to be invalid or unenforceable, there shall be deemed to be made such minor changes (and only such minor changes) as are necessary to make it valid and enforceable. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">19.&nbsp;<I>G<SMALL>ENERAL</SMALL></I><SMALL></SMALL>. This Agreement constitutes the entire agreement of the parties to this Agreement and supersedes
all prior written or oral and all contemporaneous oral agreements, understandings and negotiations with respect to the subject matter hereof. In this Agreement, the masculine, feminine and neuter genders and the singular and the plural include one
another. The section headings in this Agreement are for the convenience of the parties only and will not affect the construction or interpretation of this Agreement. This Agreement may be amended or modified, and the observance of any term of this
Agreement may be waived, only by a writing signed by the Company and the Placement Agent. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman"
SIZE="2">20.&nbsp;<I>C<SMALL>OUNTERPARTS</SMALL></I><SMALL></SMALL>. This Agreement may be signed in counterparts, each of which shall be an original, with the same effect as if the signatures thereto and hereto were upon the same instrument and
such signatures may be delivered by facsimile or by e-mail delivery of a &#147;.pdf&#148; format data file. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">26 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">If the foregoing is in accordance with your understanding of the agreement between the Company and the
Placement Agent, kindly indicate your acceptance in the space provided for that purpose below. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0">

<TR>
<TD WIDTH="12%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>
<TR>
<TD VALIGN="bottom" COLSPAN="3" NOWRAP><FONT FACE="Times New Roman" SIZE="2">Very truly yours,</FONT></TD></TR>
<TR>
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR>
<TD VALIGN="bottom" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2"><B>C<SMALL>ERUS</SMALL> C<SMALL>ORPORATION</SMALL></B></FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">By</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">/s/ Claes Glassell</FONT></P></TD></TR>
<TR>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Claes Glassell</FONT></TD></TR>
<TR>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">President and Chief Executive Officer</FONT></TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Accepted as of the date first </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">above written: </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0">

<TR>
<TD WIDTH="13%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="86%"></TD></TR>
<TR>
<TD VALIGN="bottom" COLSPAN="3" NOWRAP><FONT FACE="Times New Roman" SIZE="2"><B>C<SMALL>OWEN</SMALL> <SMALL>AND</SMALL> C<SMALL>OMPANY</SMALL>, LLC</B></FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">By</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">/s/ David Bohn</FONT></P></TD></TR>
<TR>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">David Bohn</FONT></TD></TR>
<TR>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman" SIZE="2">Managing Director</FONT></TD></TR>
</TABLE>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SCHEDULE I </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Pricing Information </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Number of Units to be Sold: 6,000,000 </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">Stock: 6,000,000 shares </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">Warrants:
2,400,000 shares of Warrant Stock </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Unit: 1 share of Stock and a Warrant to purchase 0.40 of a share of Warrant Stock </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Warrants: $2.90 exercise price; 5 year term; exercisable commencing on the sixth month anniversary of the date of issuance </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Offering Price: $2.20 per Unit </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Aggregate Placement Agent Fee: $660,000
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Estimated Net Proceeds to the Company (before transaction expenses other than the Placement Agent Fee): $12.54 million </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Dilution: $1.33 per share of Common Stock </FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SCHEDULE II </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>General Use Free Writing Prospectuses </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">None. </FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SCHEDULE III </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>List of Company officers and directors subject to lock-up </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Timothy B. Anderson </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Bruce C. Cozadd </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Claes Glassell </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Laurence M. Corash </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Gail Schulze </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">B.J. Cassin </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">William R. Rohn </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">William M. Greenman </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Howard G. Ervin </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Kevin D. Green </FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit&nbsp;A </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Form of Subscription Agreement </B></FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit&nbsp;B </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Form of Warrant </B></FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit&nbsp;C </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Form of Lock-Up Agreement </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2">August &nbsp;&nbsp;&nbsp;&nbsp;, 2009 </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cowen and Company, LLC </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">1221 Avenue of the Americas </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">New York, New York 10020 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Re: Cerus Corporation &#151; Registration Statement
on Form&nbsp;S-3 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Dear Sirs: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">This lock-up agreement (the
&#147;Agreement&#148;) is being delivered to you in connection with the proposed Placement Agent Agreement (the &#147;Placement Agent Agreement&#148;) between Cerus Corporation, a Delaware corporation (the &#147;Company&#148;) and Cowen and Company,
LLC (&#147;Cowen&#148; or the &#147;Placement Agent&#148;), relating to the proposed public offering of shares of the common stock, par value $0.001 per share (the &#147;Common Stock&#148;), and possibly warrants to acquire Common Stock, of the
Company. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">In order to induce you to enter into the Placement Agent Agreement, and in light of the benefits that the offering of the Common Stock will
confer upon the undersigned in his or her capacity as a security holder and/or an officer, director or employee of the Company, and for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned
agrees with the Placement Agent that, during the period beginning on and including the date of the Placement Agent Agreement through and including the date that is the 90th day after the date of the Placement Agent Agreement (the &#147;Lock-Up
Period&#148;), the undersigned will not, without the prior written consent of Cowen, directly or indirectly, (i)&nbsp;offer, sell, assign, transfer, pledge, contract to sell, or otherwise dispose of, or announce the intention to otherwise dispose
of, any Common Stock (including, without limitation, Common Stock which may be deemed to be beneficially owned by the undersigned in accordance with the rules and regulations promulgated under the Securities Act of 1933, as the same may be amended
or supplemented from time to time (such shares, the &#147;Beneficially Owned Shares&#148;)) or securities convertible into or exercisable or exchangeable for Common Stock; (ii)&nbsp;enter into any swap, hedge or similar agreement or arrangement that
transfers in whole or in part, the economic risk of ownership of the Beneficially Owned Shares or securities convertible into or exercisable or exchangeable for Common Stock, whether now owned or hereafter acquired by the undersigned or with respect
to which the undersigned has or hereafter acquires the power of disposition, or (iii)&nbsp;engage in any short selling of the Common Stock or securities convertible into or exercisable or exchangeable for Common Stock. To the extent you are at such
time providing research coverage to the Company and subject to the restrictions set forth in FINRA Rule&nbsp;2711(f)(4), then if (i)&nbsp;the Company issues an earnings release or material news or a material event relating to the Company occurs
during the last 17&nbsp;days of the Lock-Up Period, or (ii)&nbsp;prior to the expiration of the Lock-Up Period, the Company announces that it will release earnings results during the 16-day period beginning on the last day of the Lock-Up Period,
then in each case the Lock-Up Period shall be extended and the restrictions imposed by this Agreement shall continue to apply until the expiration of the 18-day period beginning on the date of the issuance of the earnings release or the occurrence
of the material news or material event. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">The restrictions set forth in the immediately preceding paragraph shall not apply to any transfers made by the
undersigned (i)&nbsp;as a bona fide gift to any member of the immediate family (as defined below) of the undersigned or to a trust the beneficiaries of which are exclusively the undersigned or members of the undersigned&#146;s immediate family,
(ii)&nbsp;by will or intestate succession upon the death of the undersigned, </FONT>
</P>

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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">(iii) as forfeitures of Common Stock to satisfy tax withholding obligations of the undersigned in connection with the vesting or exercise of equity awards by
the undersigned pursuant to the Company&#146;s equity plans, (iv)&nbsp;pursuant to a net exercise or cashless exercise by the undersigned of outstanding equity awards pursuant to the Company&#146;s equity plans, provided that that any Common Stock
acquired upon the net exercise or cashless exercise of equity awards described in this clause (iv)&nbsp;above shall be subject to the restrictions set forth in the immediately preceding paragraph, (v)&nbsp;pursuant to the conversion or sale of, or
an offer to purchase, all or substantially all of the outstanding Common Stock, whether pursuant to a merger, tender offer or otherwise, or (vi)&nbsp;as a bona fide gift to a charity or educational institution; provided, however, that in the case of
any transfer described in clauses (i)&nbsp;and (ii)&nbsp;above, it shall be a condition to the transfer that (A)&nbsp;the transferee executes and delivers to Cowen, not later than one business day prior to such transfer, a written agreement, in
substantially the form of this Agreement (it being understood that any references to &#147;immediate family&#148; in the agreement executed by such transferee shall expressly refer only to the immediate family of the undersigned and not to the
immediate family of the transferee) and otherwise reasonably satisfactory in form and substance to Cowen, and (B)&nbsp;if the undersigned is required to file a report under Section&nbsp;16(a) of the Securities Exchange Act of 1934, as amended,
reporting a reduction in beneficial ownership of Common Stock or Beneficially Owned Shares or any securities convertible into or exercisable or exchangeable for Common Stock or Beneficially Owned Shares during the Lock-Up Period (as the same may be
extended as described above), the undersigned shall include a statement in such report to the effect that such transfer is being made as a gift or by will or intestate succession, as applicable. In addition, in the case of any transfer described in
clauses (iii)&nbsp;and (iv)&nbsp;above, it shall be a condition to the transfer that if the undersigned is required to file a report under Section&nbsp;16(a) of the Securities Exchange Act of 1934, as amended, reporting a reduction in beneficial
ownership of Common Stock or Beneficially Owned Shares or any securities convertible into or exercisable or exchangeable for Common Stock or Beneficially Owned Shares during the Lock-Up Period (as the same may be extended as described above), the
undersigned shall include a statement in such report to the effect that such transfer is being made for tax withholding obligations or for net exercise or cashless exercise purposes, as applicable. For purposes of this paragraph, &#147;immediate
family&#148; shall mean a spouse, child, grandchild or other lineal descendant (including by adoption), father, father-in-law, mother, mother-in-law, brother or sister of the undersigned. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Any Common Stock or Beneficially Owned Shares acquired by the undersigned in the open market after the date of this Agreement will not be subject to the restrictions set
forth in this Agreement. After the date of this Agreement, the undersigned may at any time enter into a written plan meeting the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, relating to the sale of Common Stock
or Beneficially Owned Shares, if then permitted by the Company, provided that the shares subject to such plan shall be subject to the restrictions set forth in this Agreement during the Lock-Up Period. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">In order to enable this covenant to be enforced, the undersigned hereby consents to the placing of legends or stop transfer instructions with the Company&#146;s transfer
agent with respect to any Common Stock or securities convertible into or exercisable or exchangeable for Common Stock. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">The undersigned further agrees that
(i)&nbsp;it will not, during the Lock-Up Period (as the same may be extended as described above), make any demand or request for or exercise any right with respect to the registration under the Securities Act of 1933, as amended, of any Common Stock
or other Beneficially Owned Shares or any securities convertible into or exercisable or exchangeable for Common Stock or other Beneficially Owned Shares, and (ii)&nbsp;the Company may, with respect to any Common Stock or other Beneficially Owned
Shares or any securities convertible into or exercisable or exchangeable for Common Stock or other Beneficially Owned Shares owned or held (of record or beneficially) by the undersigned, cause the transfer agent or other registrar to enter stop
transfer instructions and implement stop transfer procedures with respect to such securities during the Lock-Up Period (as the same may be extended as described above). </FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">The undersigned hereby represents and warrants that the undersigned has full power and authority to enter into this
Agreement and that this Agreement has been duly executed and delivered by the undersigned and is a valid and binding Agreement of the undersigned. This Agreement and all authority herein conferred are irrevocable and shall survive the death or
incapacity of the undersigned and shall be binding upon the undersigned and upon the heirs, personal representatives, successors and assigns of the undersigned. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman"
SIZE="2">The undersigned acknowledges and agrees that whether or not any public offering of Common Stock actually occurs depends on a number of factors, including market conditions. It is understood and agreed that if (i)&nbsp;the Placement Agent
Agreement is not executed by August&nbsp;31, 2009, (ii)&nbsp;the Company notifies you in writing that it does not intend to proceed with the offering of Common Stock, (iii)&nbsp;the undersigned ceases to serve as an officer or director of the
Company, or (iv)&nbsp;the Placement Agent Agreement shall be terminated (other than the provisions that survive termination thereof) prior to payment for and delivery of the securities to be sold pursuant thereto, the undersigned shall be released
from his or her obligations under the provisions of this Agreement. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">This Agreement shall be governed by, and construed in accordance with, the laws of the
State of New York. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0">

<TR>
<TD WIDTH="100%"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Very truly yours,</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD></TR>
<TR>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">(Name of Stockholder &#150; Please Print)</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD></TR>
<TR>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">(Signature)</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Address:</FONT></TD></TR>
</TABLE></DIV>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit&nbsp;D-1 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Form of Opinion of Company Counsel </B></FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit&nbsp;D-2 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Form of Negative Assurance Statement of Company Counsel </B></FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit E </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Form of Secretary&#146;s Certificate </B></FONT></P>
</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.4
<SEQUENCE>3
<FILENAME>dex44.htm
<DESCRIPTION>FORM OF REGISTERED DIRECT COMMON WARRANT
<TEXT>
<HTML><HEAD>
<TITLE>Form of Registered Direct Common Warrant</TITLE>
</HEAD>
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit 4.4 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>CERUS CORPORATION </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>W<SMALL>ARRANT</SMALL> <SMALL>TO</SMALL> P<SMALL>URCHASE</SMALL>
C<SMALL>OMMON</SMALL> S<SMALL>TOCK</SMALL> </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Warrant No.: 2009-[&nbsp;&nbsp;&nbsp;&nbsp;] </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">Number of Shares of Common Stock: </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Date of Issuance: August [&nbsp;&nbsp;&nbsp;&nbsp;], 2009 (&#147;<B>Issuance
Date</B>&#148;) </FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation, a Delaware corporation (the &#147;<B>Company</B>&#148;), certifies that, for good and valuable consideration, the
receipt and sufficiency of which are acknowledged, [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;], the registered holder hereof or its permitted assigns (the &#147;<B>Holder</B>&#148;), is entitled, subject to the terms
set forth below, to purchase from the Company, at the Exercise Price (as defined below) then in effect, upon surrender of this Warrant to Purchase Common Stock (including any Warrants to Purchase Common Stock issued in exchange, transfer or
replacement hereof, the &#147;<B>Warrant</B>&#148;), at any time or times on or after the six (6)&nbsp;month anniversary of the Issuance Date (the &#147;<B>Exercisability Date</B>&#148;), but not after 5:30 p.m., New York Time, on the Expiration
Date (as defined below), [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;] ([&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;]) fully paid and
nonassessable shares of Common Stock (as defined below) (the &#147;<B>Warrant Shares</B>&#148;). Except as otherwise defined herein, capitalized terms in this Warrant shall have the meanings set forth in Section&nbsp;15. This Warrant is one of a
series of warrants to purchase shares of Common Stock (collectively, the &#147;<B>Warrants</B>&#148;) issued pursuant to those certain Subscription Agreements, dated as of August&nbsp;19, 2009 (the &#147;<B>Subscription Date</B>&#148;), by and among
the Company and the investors (the &#147;<B>Investors</B>&#148;) referred to therein (the &#147;<B>Subscription Agreements</B>&#148;) pursuant to the Company&#146;s Registration Statements on Form S-3 (No. 333-154842 and No.&nbsp;333-161214)
(collectively, the &#147;<B>Registration Statement</B>&#148;). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">1. <U>EXERCISE OF WARRANT</U>. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(a) <U>Mechanics of Exercise</U>. Subject to the terms and conditions hereof (including, without limitation, the limitations set forth in
Section&nbsp;1(d)), this Warrant may be exercised by the Holder on any day on or after the Exercisability Date, in whole or in part (but not as to fractional shares), by (i)&nbsp;delivery of a written notice, in the form attached hereto as
<U>Exhibit A</U> (the &#147;<B>Exercise Notice</B>&#148;), of the Holder&#146;s election to exercise this Warrant and (ii)&nbsp;if both (A)&nbsp;the Holder is not electing a Cashless Exercise (as defined below) pursuant to Section&nbsp;1(c) of this
Warrant and (B)&nbsp;a registration statement registering the issuance of the Warrant Shares under the Securities Act of 1933, as amended (the &#147;<B>Securities Act</B>&#148;), is effective and available for the issuance of the Warrant Shares, or
an exemption from registration under the Securities Act is available for the issuance of the Warrant Shares, payment to the Company of an amount equal to the applicable Exercise Price multiplied by the number of Warrant Shares as to which this
Warrant is being exercised (the &#147;<B>Aggregate Exercise Price</B>&#148;) in cash or wire transfer of immediately available funds (a &#147;<B>Cash Exercise</B>&#148;). The Holder shall not be required to surrender this Warrant in order to effect
an exercise hereunder, <U>provided</U> that in the event of an exercise of this Warrant for all Warrant Shares then issuable hereunder, this Warrant is surrendered to the Company by the second Trading Day following the date on which the Company has
received each of the Exercise Notice and, if this </FONT>
</P>

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<FONT FACE="Times New Roman" SIZE="2">Warrant is being exercised pursuant to a Cash Exercise, the Aggregate Exercise Price (the &#147;<B>Exercise Delivery Documents</B>&#148;). On or before the
first Trading Day following the date on which the Company has received the Exercise Delivery Documents, the Company shall transmit by facsimile an acknowledgment of confirmation of receipt of the Exercise Delivery Documents to the Holder and the
Company&#146;s transfer agent for the Common Stock (the &#147;<B>Transfer Agent</B>&#148;). The Company shall deliver any objection to the Exercise Delivery Documents on or before the first Trading Day following the date on which the Company has
received all of the Exercise Delivery Documents. In the event of any discrepancy or dispute, the records of the Company shall be controlling and determinative in the absence of manifest error. On or before the third Trading Day following the date on
which the Company has received the Exercise Notice, and in the case of a Cash Exercise, the Aggregate Exercise Price (the &#147;<B>Share Delivery Date</B>&#148;), the Company shall, upon the request of the Holder, credit such aggregate number of
shares of Common Stock to which the Holder is entitled pursuant to such exercise to the Holder&#146;s or its designee&#146;s balance account with The Depository Trust Company (&#147;<B>DTC</B>&#148;) through its Deposit Withdrawal Agent Commission
system, or if the Transfer Agent is not participating in the Fast Automated Securities Transfer Program (the &#147;<B>FAST Program</B>&#148;) or if the certificates are required to bear a legend regarding restriction on transferability, issue and
dispatch by overnight courier to the address as specified in the Exercise Notice, a certificate, registered in the Company&#146;s share register in the name of the Holder or its designee, for the number of shares of Common Stock to which the Holder
is entitled pursuant to such exercise. Upon delivery of the Exercise Delivery Documents and surrender of this Warrant, the Holder shall be deemed for all corporate purposes to have become the holder of record of the Warrant Shares with respect to
which this Warrant has been exercised, irrespective of the date such Warrant Shares are credited to the Holder&#146;s DTC account or the date of delivery of the certificates evidencing such Warrant Shares, as the case may be. If this Warrant is
submitted in connection with any exercise pursuant to this Section&nbsp;1(a) and the number of Warrant Shares represented by this Warrant submitted for exercise is greater than the number of Warrant Shares being acquired upon an exercise, then the
Company shall as soon as practicable and in no event later than five Trading Days after any exercise and at its own expense, issue a new Warrant (in accordance with Section&nbsp;7(e)) representing the right to purchase the number of Warrant Shares
purchasable immediately prior to such exercise under this Warrant, less the number of Warrant Shares with respect to which this Warrant is exercised. The Company shall pay any and all taxes that may be payable with respect to the issuance and
delivery of Warrant Shares upon exercise of this Warrant; <U>provided</U>, <U>however</U>, that the Company shall not be required to pay any tax which may be payable in respect of any transfer involved in the registration of any certificates for
Warrant Shares or Warrants in a name other than that of the Holder or an affiliate thereof. The Holder shall be responsible for all other tax liability that may arise as a result of holding or transferring this Warrant or receiving Warrant Shares
upon exercise hereof. In addition to any other rights available to the Holder, if the Company fails to cause the Transfer Agent to transmit to the Holder a certificate or the certificates representing the Warrant Shares or to credit the
Holder&#146;s balance account with DTC for such number of Warrant Shares to which the Holder is entitled upon the Holder&#146;s exercise pursuant to an exercise on or before the Share Delivery Date, and if after such date the Holder purchases (in an
open market transaction or otherwise) or the Holder&#146;s brokerage firm otherwise purchases, shares of Common Stock to deliver in satisfaction of a sale by the Holder of the Warrant Shares which the Holder anticipated receiving upon such exercise
(a &#147;<B>Buy-In</B>&#148;), then the Company shall within three (3)&nbsp;Trading Days after the Holder&#146;s request and in the Holder&#146;s discretion, either (i)&nbsp;pay cash to the Holder in an amount equal to the Holder&#146;s total
purchase price </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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<FONT FACE="Times New Roman" SIZE="2">(including brokerage commissions, if any) for the shares of Common Stock so purchased (the &#147;<B>Buy-In Price</B>&#148;), at which point the
Company&#146;s obligation to deliver such certificate (and to issue such Warrant Shares or credit such Holder&#146;s balance account with DTC) shall terminate, or (ii)&nbsp;promptly honor its obligation to deliver to the Holder a certificate or
certificates representing such Warrant Shares or credit such Holder&#146;s balance account with DTC and pay cash to the Holder in an amount equal to the excess (if any) of the Buy-In Price over the product of (A)&nbsp;such number of shares of Common
Stock, times (B)&nbsp;the VWAP on the date of exercise. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(b) <U>Exercise Price</U>. For purposes of this Warrant, &#147;<B>Exercise
Price</B>&#148; means $2.90 per share of Common Stock, subject to adjustment as provided herein. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(c) <U>Cashless Exercise</U>.
Notwithstanding anything contained herein to the contrary, if a registration statement registering the issuance of the Warrant Shares under the Securities Act is not effective or available for the issuance of the Warrant Shares, the Holder may, in
its sole discretion, exercise this Warrant in whole or in part and, in lieu of making the cash payment otherwise contemplated to be made to the Company upon such exercise in payment of the Aggregate Exercise Price, elect instead to receive upon such
exercise the &#147;Net Number&#148; of shares of Common Stock determined according to the following formula (a &#147;<B>Cashless Exercise</B>&#148;): </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT
FACE="Times New Roman" SIZE="2">Net Number = <U>(A x B) - (A x C)</U> </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px; margin-left:13%"><FONT FACE="Times New Roman"
SIZE="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">For purposes of the foregoing formula: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT FACE="Times New Roman" SIZE="2">A= the total number of shares with respect to which this Warrant is
then being exercised. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT FACE="Times New Roman" SIZE="2">B= the Weighted Average Price of the shares of Common Stock (as reported by Bloomberg) on the date immediately
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;preceding the date of the Exercise Notice. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT FACE="Times New Roman" SIZE="2">C= the Exercise Price then in effect for the applicable
Warrant Shares at the time of such exercise. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">Notwithstanding anything herein to the contrary, on the Termination Date, this Warrant shall
be automatically exercised via cashless exercise pursuant to this Section&nbsp;1(c). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(d) <U>Limitations on Exercises</U>. (1)&nbsp;The
Company shall not effect the exercise of this Warrant, and the Holder shall not have the right to exercise this Warrant, to the extent that after giving effect to such exercise, such Holder (together with such Holder&#146;s affiliates and any other
Persons acting as a group together) would beneficially own in excess of 4.99% (the &#147;<B>Maximum Percentage</B>&#148;) of the shares of Common Stock outstanding immediately after giving effect to such exercise. For purposes of the foregoing
sentence, the aggregate number of shares of Common Stock beneficially owned by such Person and its affiliates shall include the number of shares of Common Stock issuable upon exercise of this Warrant with respect to which the determination of such
sentence is being made, but shall exclude shares of Common Stock which would be issuable upon (i)&nbsp;exercise of the remaining, unexercised portion of this Warrant </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">3 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px;padding-bottom:3px;">
<FONT FACE="Times New Roman" SIZE="2">beneficially owned by such Person and its affiliates and (ii)&nbsp;exercise or conversion of the unexercised or unconverted portion of any other securities
of the Company beneficially owned by such Person and its affiliates (including, without limitation, any convertible notes or convertible preferred stock or warrants) subject to a limitation on conversion or exercise analogous to the limitation
contained herein. Except as set forth in the preceding sentence, for purposes of this paragraph, beneficial ownership shall be calculated in accordance with Section&nbsp;13(d) of the Securities Exchange Act of 1934, as amended (the &#147;<B>Exchange
Act</B>&#148;), it being acknowledged that the Company is not representing to the Holder that such calculation is in compliance with Section&nbsp;13(d) of the Exchange Act, and the Holder is solely responsible for any schedules required to be filed
in accordance therewith. For purposes of this Warrant, in determining the number of outstanding shares of Common Stock, the Holder may rely on the number of outstanding shares of Common Stock as reflected in (1)&nbsp;the Company&#146;s most recent
Form 10-K, Form 10-Q, Current Report on Form 8-K or other public filing with the Securities and Exchange Commission, as the case may be, (2)&nbsp;a more recent public announcement by the Company or (3)&nbsp;any other notice by the Company or the
Transfer Agent setting forth the number of shares of Common Stock outstanding. For any reason at any time, upon the written or oral request of the Holder, where such request indicates that it is being made pursuant to this Warrant, the Company shall
within one Trading Day confirm orally and in writing to the Holder the number of shares of Common Stock then outstanding. In any case, the number of outstanding shares of Common Stock shall be determined after giving effect to the conversion or
exercise of securities of the Company, including the Warrants, by the Holder and its affiliates since the date as of which such number of outstanding shares of Common Stock was reported. By written notice to the Company, the Holder may increase or
decrease the Maximum Percentage to any other percentage not in excess of 9.99% specified in such notice; <U>provided</U>, that (i)&nbsp;any such increase will not be effective until the 61</FONT><FONT FACE="Times New Roman" SIZE="1"><SUP
STYLE="vertical-align:baseline; position:relative; bottom:.8ex">st</SUP></FONT><FONT FACE="Times New Roman" SIZE="2"> day after such notice is delivered to the Company and (ii)&nbsp;any such increase or decrease will apply only to the Holder and not
to any other holder of Warrants. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(e) <U>No Fractional Shares or Scrip</U>. No fractional shares or scrip representing fractional shares
shall be issued upon the exercise of this Warrant. As to any fraction of a share that the Holder would otherwise be entitled to purchase upon such exercise, the Company shall pay a cash adjustment in respect of such final fraction in an amount equal
to such fraction multiplied by the Exercise Price. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">2. <U>ADJUSTMENT OF EXERCISE PRICE AND NUMBER OF WARRANT SHARES</U>. The Exercise Price
and the number of Warrant Shares shall be adjusted from time to time as follows: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(a) <U>Adjustment upon Subdivision or Combination of
Shares of Common Stock</U>. If the Company at any time on or after the Subscription Date subdivides (by any stock split, stock dividend, recapitalization or otherwise) one or more classes of its outstanding shares of Common Stock into a greater
number of shares, the Exercise Price in effect immediately prior to such subdivision will be proportionately reduced and the number of Warrant Shares will be proportionately increased. If the Company at any time on or after the Subscription Date
combines (by combination, reverse stock split or otherwise) one or more classes of its outstanding shares of Common Stock into a smaller number of shares, the Exercise Price in effect immediately prior to such combination will be proportionately
increased and the number of Warrant Shares will be proportionately decreased. Any adjustment under this Section&nbsp;2(a) shall become effective at the close of business on the date the subdivision or combination becomes effective. </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">4 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(b) <U>Other Events</U>. If any event occurs of the type contemplated by the provisions of
Section&nbsp;2(a) but not expressly provided for by such provisions (including, without limitation, the granting of stock appreciation rights, phantom stock rights or other rights with equity features to the holders of the Company&#146;s equity
securities), then the Company&#146;s Board of Directors will make an appropriate adjustment in the Exercise Price and the number of Warrant Shares so as to protect the rights of the Holder; <U>provided</U>, that no such adjustment pursuant to this
Section&nbsp;2(b) will increase the Exercise Price or decrease the number of Warrant Shares as otherwise determined pursuant to this Section&nbsp;2. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT
FACE="Times New Roman" SIZE="2">(c) Notwithstanding anything to the contrary in this Warrant, in no event shall the Exercise Price be reduced below the par value of the Company&#146;s Common Stock. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">3. <U>RIGHTS UPON DISTRIBUTION OF ASSETS</U>. If the Company shall declare or make any dividend or other distribution of its assets (or rights to acquire
its assets) to holders of shares of Common Stock, by way of return of capital or otherwise (including, without limitation, any distribution of cash, stock or other securities, property or options by way of a dividend, spin off, reclassification,
corporate rearrangement, scheme of arrangement or other similar transaction) (a &#147;<B>Distribution</B>&#148;), at any time after the issuance of this Warrant, then, in each such case: </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(a) any Exercise Price in effect immediately prior to the close of business on the record date fixed for the determination of holders of shares of
Common Stock entitled to receive the Distribution shall be reduced, effective as of the close of business on such record date, to a price determined by multiplying such Exercise Price by a fraction of which (i)&nbsp;the numerator shall be the
Weighted Average Price of the shares of Common Stock on the Trading Day immediately preceding such record date minus the value of the Distribution (as determined in good faith by the Company&#146;s Board of Directors) applicable to one share of
Common Stock, and (ii)&nbsp;the denominator shall be the Weighted Average Price of the shares of Common Stock on the Trading Day immediately preceding such record date; and </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(b) the number of Warrant Shares shall be increased to a number of shares equal to the number of shares of Common Stock obtainable immediately prior to
the close of business on the record date fixed for the determination of holders of shares of Common Stock entitled to receive the Distribution multiplied by the reciprocal of the fraction set forth in the immediately preceding paragraph (a);
<U>provided</U>, that in the event that the Distribution is of shares of Common Stock or common stock of a company whose common shares are traded on a national securities exchange or a national automated quotation system (&#147;<B>Other Shares of
Common Stock</B>&#148;), then the Holder may elect to receive a warrant to purchase Other Shares of Common Stock in lieu of an increase in the number of Warrant Shares, the terms of which shall be identical to those of this Warrant, except that such
warrant shall be exercisable into the number of shares of Other Shares of Common Stock that would have been payable to the Holder pursuant to the Distribution had the Holder exercised this Warrant immediately prior to such record date and with an
aggregate exercise price equal to the product of the amount by which the exercise price of this Warrant was decreased with respect to the Distribution pursuant to the terms of the immediately preceding paragraph (a)&nbsp;and the number of Warrant
Shares calculated in accordance with the first part of this paragraph (b). </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">4. <U>PURCHASE RIGHTS; FUNDAMENTAL TRANSACTIONS</U>. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(a) <U>Purchase Rights</U>. In addition to any adjustments pursuant to Section&nbsp;2 above, if at any time prior to the Expiration Date the Company
grants, issues or sells any Options, Convertible Securities or rights to purchase stock, warrants, securities or other property pro rata to the record holders of any class of shares of Common Stock (the &#147;<B>Purchase Rights</B>&#148;), then the
Holder will be entitled to acquire, upon the terms applicable to such Purchase Rights, the aggregate Purchase Rights which the Holder could have acquired if the Holder had held the number of shares of Common Stock acquirable upon complete exercise
of this Warrant (without regard to any limitations on the exercise of this Warrant) immediately before the date on which a record is taken for the grant, issuance or sale of such Purchase Rights, or, if no such record is taken, the date as of which
the record holders of shares of Common Stock are to be determined for the grant, issue or sale of such Purchase Rights. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(b)
<U>Fundamental Transactions</U>. Upon the occurrence of any Fundamental Transaction, the Successor Entity shall succeed to, and be substituted for (so that from and after the date of such Fundamental Transaction, the provisions of this Warrant
referring to the &#147;Company&#148; shall refer instead to the Successor Entity), and may exercise every right and power of the Company and shall assume all of the obligations of the Company under this Warrant with the same effect as if such
Successor Entity had been named as the Company herein. Upon consummation of the Fundamental Transaction, the Successor Entity shall deliver to the Holder confirmation that there shall be issued upon exercise of this Warrant at any time after the
consummation of the Fundamental Transaction, in lieu of the shares of the Common Stock (or other securities, cash, assets or other property purchasable upon the exercise of the Warrant prior to such Fundamental Transaction), such shares of stock,
securities, cash, assets or any other property whatsoever (including warrants or other purchase or subscription rights), if any, that the Holder would have been entitled to receive upon the happening of such Fundamental Transaction had this Warrant
been exercised immediately prior to such Fundamental Transaction, as adjusted in accordance with the provisions of this Warrant. In addition to and not in substitution for any other rights hereunder, prior to the consummation of any Fundamental
Transaction pursuant to which holders of shares of Common Stock are entitled to receive securities or other assets with respect to or in exchange for shares of Common Stock (a &#147;<B>Corporate Event</B>&#148;), the Company shall make appropriate
provision to insure that the Holder will thereafter have the right to receive upon an exercise of this Warrant within 90 days after the consummation of the Fundamental Transaction but, in any event, prior to the Expiration Date, in lieu of the
shares of the Common Stock (or other securities, cash, assets or other property) purchasable upon the exercise of the Warrant prior to such Fundamental Transaction, such shares of stock, securities, cash, assets or any other property whatsoever
(including warrants or other purchase or subscription rights) which the Holder would have been entitled to receive upon the happening of such Fundamental Transaction had the Warrant been exercised immediately prior to such Fundamental Transaction.
Provision made pursuant to the preceding sentence shall be in a form and substance reasonably satisfactory to the Holder. Notwithstanding the foregoing, in the event of a Change of Control other than one in which a Successor Entity that is a
publicly traded corporation whose stock is quoted or listed for trading on an Eligible Market assumes this Warrant such that the Warrant shall be exercisable for </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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<FONT FACE="Times New Roman" SIZE="2">the publicly traded common stock of such Successor Entity, at the request of the Holder delivered before the 90th day after such Change of Control (such a
request, a &#147;<B>Black Scholes Exercise</B>&#148;), the Company (or the Successor Entity) shall purchase this Warrant from the Holder by paying to the Holder, within five Business Days after such request (or, if later, on the effective date of
the Change of Control), cash in an amount equal to the Black Scholes Value of the remaining unexercised portion of this Warrant on the date of the consummation of such Change of Control; <U>provided</U>, <U>however</U>, that if the Black Scholes
Value of the remaining unexercised portion of this Warrant on the date of the consummation of such Change of Control shall exceed the product obtained by multiplying the Black Scholes Cap times the number of then remaining unexercised Warrant Shares
(such product, the &#147;<B>Maximum Payment</B>&#148;), then the cash payable to the Holder for the purchase of this Warrant in connection with a Black Scholes Exercise shall equal the Maximum Payment. The provisions of this Section shall apply
similarly and equally to successive Fundamental Transactions and Corporate Events and shall be applied without regard to any limitations on the exercise of this Warrant. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">5. <U>RESERVATION OF WARRANT SHARES</U>. The Company covenants that it will at all times reserve and keep available out of the aggregate of its authorized but unissued and otherwise unreserved Common Stock, solely for
the purpose of enabling it to issue Warrant Shares upon exercise of this Warrant as herein provided, the number of shares of Common Stock which are then issuable and deliverable upon the exercise of this entire Warrant, free from preemptive or any
other contingent purchase rights of Persons other than the Holder (taking into account the adjustments and restrictions in Section&nbsp;2). Such reservation shall comply with the provisions of Section&nbsp;1. The Company covenants that all shares of
Common Stock so issuable and deliverable shall, upon issuance and the payment of the applicable Exercise Price in accordance with the terms hereof, be duly and validly authorized, issued and fully paid and nonassessable. The Company will take all
such actions as may be necessary to assure that such shares of Common Stock may be issued as provided herein without violation of any applicable law or regulation, or of any requirements of any securities exchange or automated quotation system upon
which the Common Stock may be listed. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">6. <U>WARRANT HOLDER NOT DEEMED A STOCKHOLDER</U>. Except as otherwise specifically provided herein,
the Holder, solely in such Person&#146;s capacity as a holder of this Warrant, shall not be entitled to vote or receive dividends or be deemed the holder of share capital of the Company for any purpose, nor shall anything contained in this Warrant
be construed to confer upon the Holder, solely in such Person&#146;s capacity as the Holder of this Warrant, any of the rights of a stockholder of the Company or any right to vote, give or withhold consent to any corporate action (whether any
reorganization, issue of stock, reclassification of stock, consolidation, merger, conveyance or otherwise), receive notice of meetings, receive dividends or subscription rights, or otherwise, prior to the issuance to the Holder of the Warrant Shares
which such Person is then entitled to receive upon the due exercise of this Warrant. In addition, nothing contained in this Warrant shall be construed as imposing any liabilities on the Holder to purchase any securities (upon exercise of this
Warrant or otherwise) or as a stockholder of the Company, whether such liabilities are asserted by the Company or by creditors of the Company. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">7. <U>REGISTRATION AND REISSUANCE OF WARRANTS</U>. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(a) <U>Registration of Warrant</U>. The Company shall register this Warrant, upon the records to be maintained by the Company for that purpose (the
&#147;<B>Warrant Register</B>&#148;), in the name of the record Holder hereof from time to time. The Company may deem and treat the registered Holder of this Warrant as the absolute owner hereof for the purpose of any exercise hereof or any
distribution to the Holder, and for all other purposes, absent actual notice to the contrary. The Company shall also register any transfer, exchange, reissuance or cancellation of any portion of this Warrant in the Warrant Register. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(b) <U>Transfer of Warrant</U>. This Warrant may be offered for sale, sold, transferred or assigned without the consent of the Company, except as may
otherwise be required by applicable securities laws. Subject to applicable securities laws, if this Warrant is to be transferred, the Holder shall surrender this Warrant to the Company together with all applicable transfer taxes, whereupon the
Company will forthwith issue and deliver upon the order of the Holder a new Warrant (in accordance with Section&nbsp;7(e)), registered as the Holder may request, representing the right to purchase the number of Warrant Shares being transferred by
the Holder and, if less then the total number of Warrant Shares then underlying this Warrant is being transferred, a new Warrant (in accordance with Section&nbsp;7(e)) to the Holder representing the right to purchase the number of Warrant Shares not
being transferred. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(c) <U>Lost, Stolen or Mutilated Warrant</U>. Upon receipt by the Company of evidence reasonably satisfactory to the
Company of the loss, theft, destruction or mutilation of this Warrant, and, in the case of loss, theft or destruction, of any indemnification undertaking by the Holder to the Company in customary form or the provision of reasonable security by the
Holder to the Company and, in the case of mutilation, upon surrender and cancellation of this Warrant, the Company shall execute and deliver to the Holder a new Warrant (in accordance with Section&nbsp;7(e)) representing the right to purchase the
Warrant Shares then underlying this Warrant. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(d) <U>Exchangeable for Multiple Warrants</U>. This Warrant is exchangeable, upon the
surrender hereof by the Holder at the principal office of the Company together with all applicable transfer taxes, for a new Warrant or Warrants (in accordance with Section&nbsp;7(e)) representing in the aggregate the right to purchase the number of
Warrant Shares then underlying this Warrant, and each such new Warrant will represent the right to purchase such portion of such Warrant Shares as is designated by the Holder at the time of such surrender; <U>provided</U>, <U>however</U>, that the
Company shall not be required to issue Warrants for fractional shares of Common Stock hereunder. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(e) <U>Issuance of New Warrants</U>.
Whenever the Company is required to issue a new Warrant pursuant to the terms of this Warrant, such new Warrant shall (i)&nbsp;be of like tenor with this Warrant, (ii)&nbsp;represent, as indicated on the face of such new Warrant, the right to
purchase the Warrant Shares then underlying this Warrant (or in the case of a new Warrant being issued pursuant to Section&nbsp;7(b) or Section&nbsp;7(c), the Warrant Shares designated by the Holder which, when added to the number of shares of
Common Stock underlying the other new Warrants issued in connection with such issuance, does not exceed the number of Warrant Shares then underlying this Warrant), (iii)&nbsp;have an issuance date, as indicated on the face of such new Warrant which
is the same as the Issuance Date and (iv)&nbsp;have the same rights and conditions as this Warrant. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">8 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">8. <U>NOTICES</U>. Whenever notice is required to be given under this Warrant, unless otherwise provided
herein, such notice shall be given in accordance with the information set forth in the Warrant Register. The Company shall provide the Holder with prompt written notice of all actions taken pursuant to this Warrant, including, in reasonable detail,
a description of such action and the reason or reasons therefore. Without limiting the generality of the foregoing, the Company will give written notice to the Holder (i)&nbsp;immediately upon any adjustment of the Exercise Price, setting forth in
reasonable detail, and certifying, the calculation of such adjustment and (ii)&nbsp;at least 10 days prior to the date on which the Company closes its books or takes a record (A)&nbsp;with respect to any dividend or distribution upon the shares of
Common Stock, (B)&nbsp;with respect to any grants, issuances or sales of any Options, Convertible Securities or rights to purchase stock, warrants, securities or other property pro rata to the record holders of any class of shares of Common Stock or
(C)&nbsp;for determining rights to vote with respect to any Fundamental Transaction, dissolution or liquidation; <U>provided</U>, that in each case, such information shall be made known to the public prior to or in conjunction with such notice being
provided to the Holder. Upon receipt or delivery by the Company of any notice in accordance with the terms of this Warrant, unless the Company has in good faith determined that the matters relating to such notice do not constitute material,
nonpublic information relating to the Company or its subsidiaries, the Company shall within one (1)&nbsp;Business Day after any such receipt or delivery publicly disclose such material, nonpublic information on Form 8-K or otherwise. In the event
that the Company believes that a notice contains material, nonpublic information relating to the Company or its subsidiaries, the Company so shall indicate to such Holder contemporaneously with delivery of such notice, and in the absence of any such
indication, the Holder shall be allowed to presume that all matters relating to such notice do not constitute material, nonpublic information relating to the Company or its subsidiaries. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">9. <U>AMENDMENT AND WAIVER</U>. Except as otherwise provided herein, the provisions of this Warrant may be amended and the Company may take any action
herein prohibited, or omit to perform any act herein required to be performed by it, only if the Company has obtained the written consent of the Holder. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">10. <U>LIMITATION OF LIABILITY</U>. No provision hereof, in the absence of any affirmative action by Holder to exercise this Warrant to purchase Warrant Shares, and no enumeration herein of the rights or privileges of
Holder, shall give rise to any liability of Holder for the purchase price of any Warrant Shares or as a stockholder of the Company, whether such liability is asserted by the Company or by creditors of the Company. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">11. <U>GOVERNING LAW</U>. This Warrant shall be governed by and construed and enforced in accordance with, and all questions concerning the construction,
validity, interpretation and performance of this Warrant shall be governed by, the internal laws of the State of New York, without giving effect to any choice of law or conflict of law provision or rule (whether of the State of New York or any other
jurisdictions) that would cause the application of the laws of any jurisdictions other than the State of New York. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">12. <U>CONSTRUCTION;
HEADINGS</U>. This Warrant shall be deemed to be jointly drafted by the Company and all the Investors and shall not be construed against any person as the drafter hereof. The headings of this Warrant are for convenience of reference and shall not
form part of, or affect the interpretation of, this Warrant. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">13. <U>DISPUTE RESOLUTION</U>. In the case of a dispute as to the determination of the Exercise Price or
the arithmetic calculation of the Warrant Shares, the Company shall submit the disputed determinations or arithmetic calculations via facsimile within two Trading Days of receipt of the Exercise Notice giving rise to such dispute, as the case may
be, to the Holder. If the Holder and the Company are unable to agree upon such determination or calculation of the Exercise Price or the Warrant Shares within five Trading Days of such disputed determination or arithmetic calculation being submitted
to the Holder, then the Company shall, within two Trading Days submit via facsimile (a)&nbsp;the disputed determination of the Exercise Price to an independent, reputable investment bank selected by the Company and approved by the Holder or
(b)&nbsp;the disputed arithmetic calculation of the Warrant Shares to the Company&#146;s independent, outside accountant. The Company shall cause the investment bank or the accountant, as the case may be, to perform the determinations or
calculations and notify the Company and the Holder of the results no later than 10 Trading Days from the time it receives the disputed determinations or calculations. Such investment bank&#146;s or accountant&#146;s determination or calculation, as
the case may be, shall be binding upon all parties absent demonstrable error. The expenses of the investment bank and accountant will be borne by the Company unless the investment bank or accountant determines that the determination of the Exercise
Price or the arithmetic calculation of the Warrant Shares by the Holder was incorrect, in which case the expenses of the investment bank and accountant will be borne by the Holder. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT FACE="Times New Roman" SIZE="2">14. <U>REMEDIES, OTHER OBLIGATIONS, BREACHES AND INJUNCTIVE RELIEF</U>. The remedies provided in this Warrant shall be cumulative and in addition to all
other remedies available under this Warrant and the Subscription Agreements, at law or in equity (including a decree of specific performance and/or other injunctive relief), and nothing herein shall limit the right of the Holder to pursue actual
damages for any failure by the Company to comply with the terms of this Warrant. The Company acknowledges that a breach by it of its obligations hereunder may cause irreparable harm to the Holder and that the remedy at law for any such breach may be
inadequate. The Company therefore agrees that, in the event of any such breach or threatened breach, the holder of this Warrant shall be entitled, in addition to all other available remedies, to seek an injunction restraining any breach.
Notwithstanding the foregoing or anything else herein or in the Subscription Agreements to the contrary, if the Company is for any reason unable to issue and deliver Warrant Shares upon exercise of this Warrant as required pursuant to the terms
hereof, the Company shall have no obligation to pay to the Holder any cash or other consideration or otherwise &#147;net cash settle&#148; this Warrant. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:8%"><FONT
FACE="Times New Roman" SIZE="2">15. <U>CERTAIN DEFINITIONS</U>. For purposes of this Warrant, the following terms shall have the following meanings: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT
FACE="Times New Roman" SIZE="2">(a) &#147;<B>Black Scholes Cap</B>&#148; means the sum of (i)&nbsp;$1.00 (as equitably adjusted to reflect any events requiring an adjustment of the Exercise Price pursuant to Sections 2 or 3 hereof) plus
(ii)&nbsp;the Intrinsic Value; <U>provided</U>, <U>however</U>, that if the Intrinsic Value is less than or equal to zero (0), then the Black Scholes Cap shall mean $1.00 (as equitably adjusted to reflect any events requiring an adjustment of the
Exercise Price pursuant to Sections 2 or 3 hereof). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(b) &#147;<B>Black Scholes Value</B>&#148; means the value of this Warrant based on
the Black and Scholes Option Pricing Model obtained from the &#147;OV&#148; function on Bloomberg determined as of the day of consummation of the applicable Change of Control for pricing </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">purposes and reflecting: (i)&nbsp;a risk-free interest rate corresponding to the U.S. Treasury rate for a period equal to the time between the date of the
public announcement of the applicable Change of Control and the Expiration Date, (ii)&nbsp;an expected volatility equal to the lesser of (A)&nbsp;seventy-five percent (75%)&nbsp;and (B)&nbsp;the thirty (30)&nbsp;day volatility obtained from the HVT
function on Bloomberg as of the Trading Day immediately following the date of the public announcement of the applicable Change of Control, (iii)&nbsp;the underlying price per share used in such calculation shall be the sum of the price per share to
be received in cash, if any, plus the value of any non-cash consideration to be received, if any, by the holders of Common Stock upon the consummation of the applicable Change of Control and (iv)&nbsp;a remaining option time equal to the time
between the date of the public announcement of the applicable Change of Control and the Expiration Date. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(c) &#147;<B>Bloomberg</B>&#148;
means Bloomberg Financial Markets. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(d) &#147;<B>Change of Control</B>&#148; means any Fundamental Transaction other than (i)&nbsp;any
reorganization, recapitalization or reclassification of the Common Stock in which holders of the Company&#146;s voting power immediately prior to such reorganization, recapitalization or reclassification continue after such reorganization,
recapitalization or reclassification to hold&nbsp;publicly traded securities and, directly or indirectly, the voting power of the surviving entity or entities necessary to elect a majority of the members of the board of directors (or their
equivalent if other than a corporation) of such entity or entities, or (ii)&nbsp;pursuant to a migratory merger effected solely for the purpose of changing the jurisdiction of incorporation of the Company. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(e) &#147;<B>Common Stock</B>&#148; means (i)&nbsp;the Company&#146;s shares of Common Stock, $0.001 par value per share, and (ii)&nbsp;any share
capital into which such Common Stock shall have been changed or any share capital resulting from a reclassification of such Common Stock. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman"
SIZE="2">(f) &#147;<B>Convertible Securities</B>&#148; means any stock or securities (other than Options) directly or indirectly convertible into or exercisable or exchangeable for shares of Common Stock. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%;padding-bottom:3px;"><FONT FACE="Times New Roman" SIZE="2">(g) &#147;<B>Eligible Market</B>&#148; means the Principal Market, The New York Stock Exchange, Inc., the NYSE Amex LLC, The Nasdaq
Stock Market, or the OTC Bulletin Board<FONT FACE="Times New Roman" SIZE="1"><SUP STYLE="vertical-align:baseline; position:relative; bottom:.8ex">&reg;</SUP></FONT>. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT
FACE="Times New Roman" SIZE="2">(h) &#147;<B>Expiration Date</B>&#148; means the fifth anniversary of the Issuance Date or, if such date falls on a day other than a Trading Day or on which trading does not take place on the Principal Market (a
&#147;<B>Holiday</B>&#148;), the next date that is not a Holiday. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(i) &#147;<B>Fundamental Transaction</B>&#148; means that (A)&nbsp;the
Company shall, directly or indirectly, in one or more related transactions, (i)&nbsp;consolidate or merge with or into (whether or not the Company is the surviving corporation) another Person, or (ii)&nbsp;sell, assign, transfer, convey or otherwise
dispose of all or substantially all of the properties or assets of the Company to another Person, or (iii)&nbsp;allow another Person providing to make a purchase, tender or exchange offer that is accepted by the holders of more than 50% of the
outstanding shares of Common Stock (not including any shares of Common Stock held by the Person or Persons making or party to, or associated or affiliated with the Persons making or party to, such purchase, tender or exchange offer), or
(iv)&nbsp;consummate a stock purchase agreement or other business combination </FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">(including, without limitation, a reorganization, recapitalization, spin-off or scheme of arrangement) with another Person whereby such other Person acquires
more than 50% of the outstanding shares of Common Stock (not including any shares of Common Stock held by the other Person or other Persons making or party to, or associated or affiliated with the other Persons making or party to, such stock
purchase agreement or other business combination), or (v)&nbsp;reorganize, recapitalize or reclassify the Common Stock or (B)&nbsp;any &#147;person&#148; or &#147;group&#148; (as these terms are used for purposes of Sections 13(d) and 14(d) of the
Exchange Act) is or shall become the &#147;beneficial owner&#148; (as defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of 50% of the aggregate ordinary voting power represented by issued and outstanding Common Stock.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(j) &#147;<B>Intrinsic Value</B>&#148; means (i)&nbsp;the price per share to be received in cash, if any, plus the value of any non-cash
consideration to be received, if any, by the holders of Common Stock upon the consummation of a Change of Control less (ii)&nbsp;the Exercise Price. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT
FACE="Times New Roman" SIZE="2">(k) &#147;<B>Options</B>&#148; means any rights, warrants or options to subscribe for or purchase shares of Common Stock or Convertible Securities. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(l) &#147;<B>Parent Entity</B>&#148; of a Person means an entity that, directly or indirectly, controls the applicable Person and whose common stock or
equivalent equity security is quoted or listed on an Eligible Market, or, if there is more than one such Person or Parent Entity, the Person or Parent Entity with the largest public market capitalization as of the date of consummation of the
Fundamental Transaction. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(m) &#147;<B>Person</B>&#148; means an individual, a limited liability company, a partnership, a joint venture,
a corporation, a trust, an unincorporated organization, any other entity and a government or any department or agency thereof. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(n)
&#147;<B>Principal Market</B>&#148; means the Nasdaq Global Market. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(o) &#147;<B>Successor Entity</B>&#148; means the Person (or, if so
elected by the Holder, the Parent Entity) formed by, resulting from or surviving any Fundamental Transaction or the Person (or, if so elected by the Holder, the Parent Entity) with which such Fundamental Transaction shall have been entered into.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman" SIZE="2">(p) &#147;<B>Trading Day</B>&#148; means any day on which the Common Stock is traded on the Principal Market, or, if the Principal Market
is not the principal trading market for the Common Stock, then on the principal securities exchange or securities market on which the Common Stock is then traded; <U>provided</U> that &#147;Trading Day&#148; shall not include any day on which the
Common Stock is scheduled to trade on such exchange or market for less than 4.5 hours or any day that the Common Stock is suspended from trading during the final hour of trading on such exchange or market (or if such exchange or market does not
designate in advance the closing time of trading on such exchange or market, then during the hour ending at 4:00:00 p.m., New York Time). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:13%"><FONT FACE="Times New Roman"
SIZE="2">(q) &#147;<B>Weighted Average Price</B>&#148; means, for any security as of any date, the dollar volume-weighted average price for such security on the Principal Market during the period beginning at 9:30:01 a.m., New York City time, and
ending at 4:00:00 p.m., New York City time, as reported by Bloomberg through its &#147;Volume at Price&#148; function or, if the foregoing does not apply, the dollar volume-weighted average price of such security in the over-the-counter market on
</FONT>
</P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">12 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px">
<FONT FACE="Times New Roman" SIZE="2">the electronic bulletin board for such security during the period beginning at 9:30:01 a.m., New York City time, and ending at 4:00:00 p.m., New York City
time, as reported by Bloomberg, or, if no dollar volume-weighted average price is reported for such security by Bloomberg for such hours, the average of the highest closing bid price and the lowest closing ask price of any of the market makers for
such security as reported in the &#147;pink sheets&#148; by Pink Sheets LLC. If the Weighted Average Price cannot be calculated for such security on such date on any of the foregoing bases, the Weighted Average Price of such security on such date
shall be the fair market value as mutually determined by the Company and the Holder. If the Company and the Holder are unable to agree upon the fair market value of such security, then such dispute shall be resolved pursuant to Section&nbsp;13 with
the term &#147;Weighted Average Price&#148; being substituted for the term &#147;Exercise Price.&#148; All such determinations shall be appropriately adjusted for any share dividend, share split or other similar transaction during such period.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B><I>[Signature Page Follows] </I></B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">13 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2"><B>IN WITNESS WHEREOF,</B> the Company has caused this Warrant to Purchase Common Stock to be duly
executed as of the Issuance Date set out above. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><DIV ALIGN="right">
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<TD WIDTH="12%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>
<TR>
<TD VALIGN="top" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2">CERUS CORPORATION</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>EXHIBIT A </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>EXERCISE NOTICE </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>TO BE EXECUTED BY THE REGISTERED HOLDER TO EXERCISE THIS </B></FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>WARRANT TO PURCHASE COMMON STOCK </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2"><B>CERUS CORPORATION </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">The undersigned holder hereby exercises the right to purchase
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> of the shares of Common Stock (&#147;<B>Warrant Shares</B>&#148;) of Cerus Corporation, a Delaware corporation (the &#147;<B>Company</B>&#148;), evidenced by the
attached Warrant to Purchase Common Stock (the &#147;<B>Warrant</B>&#148;). Capitalized terms used herein and not otherwise defined shall have the respective meanings set forth in the Warrant. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">1. <U>Exercise Price</U>. The Holder intends that payment of the Exercise Price shall be made as (check one): </FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TR>
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><FONT FACE="WINGDINGS">&#168;</FONT></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Cash Exercise under Section&nbsp;1(a). </FONT></TD></TR></TABLE> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><FONT FACE="WINGDINGS">&#168;</FONT></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Cashless Exercise under Section&nbsp;1(c). </FONT></TD></TR></TABLE> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">2. <U>Cash
Exercise</U>. If the Holder has elected a Cash Exercise, the Holder shall pay the sum of $<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> to the Company in accordance with the terms of the Warrant. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2">3. <U>Delivery of Warrant Shares</U>. The Company shall deliver to the holder
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>Warrant Shares in accordance with the terms of the Warrant. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman"
SIZE="2">4. <U>Representations and Warranties</U>. By its delivery of this Exercise Notice, the undersigned represents and warrants to the Company that in giving effect to the exercise evidenced hereby the Holder will not beneficially own in excess
of the number of shares of Common Stock (determined in accordance with Section&nbsp;13(d) of the Securities Exchange Act of 1934, as amended) permitted to be owned under Section&nbsp;1(d) of this Warrant to which this notice relates. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Date: <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> <U>&nbsp;&nbsp;&nbsp;&nbsp;</U>,
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2">Name of Registered Holder</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>ACKNOWLEDGMENT </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" SIZE="2">The Company hereby acknowledges this Exercise Notice. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2">CERUS CORPORATION</FONT></TD></TR>
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<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>dex51.htm
<DESCRIPTION>OPINION OF COOLEY GODWARD KRONISH LLP
<TEXT>
<HTML><HEAD>
<TITLE>Opinion of Cooley Godward Kronish LLP</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit 5.1 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman"
SIZE="2">August&nbsp;19, 2009 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">2411
Stanwell Drive </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Concord, CA 94520 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"><B>RE: Cerus Corporation
</B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Ladies and Gentlemen: </FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">You have requested our opinion
with respect to certain matters in connection with the sale and issuance by Cerus Corporation, a Delaware corporation (the &#147;<B><I>Company</I></B>&#148;), of up to an aggregate of 6,000,000 shares (the &#147;<B><I>Shares</I></B>&#148;) of the
Company&#146;s common stock, par value $0.001 (the &#147;<B><I>Common Stock</I></B>&#148;), together with warrants (the &#147;<B><I>Warrants</I></B>&#148;) to purchase up to an additional 2,400,000 shares of Common Stock (the &#147;<B><I>Warrant
Shares</I></B>&#148;), and the preferred stock purchase rights (the &#147;<B><I>Rights</I></B>&#148;) associated with the Shares and the Warrant Shares to be issued pursuant to that certain Rights Agreement, dated as of November&nbsp;3, 1999 (the
&#147;<B><I>Rights Agreement</I></B>&#148;), between the Company and Norwest Bank Minnesota, N.A. as rights agent (the &#147;<B><I>Rights Agent</I></B>&#148;), pursuant to a Registration Statement on Form S-3 (Registration Statement
No.&nbsp;333-154842) (the <I>&#147;</I><B><I>Initial Registration Statement</I></B><I>&#148;</I>), filed with the Securities and Exchange Commission (the <I>&#147;</I><B><I>Commission</I></B><I>&#148;</I>) under the Securities Act of 1933, as
amended (the <B><I>&#147;Act</I></B><I>&#148;</I>), as amended and supplemented by subsequent filings, including the Registration Statement on Form S-3 filed with the Commission pursuant to Rule 462(b) of the Act (Registration Statement
No.&nbsp;333-161214) (together with the Initial Registration Statement, the &#147;<B><I>Registration Statements</I></B>&#148;), the prospectus dated December&nbsp;17, 2008 included in the Initial Registration Statement (the &#147;<B><I>Base
Prospectus</I></B>&#148;), and the prospectus supplement dated August&nbsp;19, 2009, to be filed with the Commission pursuant to Rule 424(b) of the rules and regulations of the Act (the &#147;<B><I>Prospectus Supplement</I></B>&#148;). (The Base
Prospectus and the Prospectus Supplement are collectively referred to as the &#147;<B><I>Prospectus</I></B>.&#148;) The Shares, the Warrants and the Warrant Shares are to be sold by the Company as described in the Registration Statements and the
Prospectus. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">In connection with this opinion, we have examined and relied upon the Registration Statements, the Prospectus, the form of Warrant to be filed
as an exhibit to a Current Report of the Company on Form 8-K, the Company&#146;s Restated Certificate of Incorporation and Amended and Restated Bylaws, as currently in effect, and the originals or copies certified to our satisfaction of such
records, documents, certificates, memoranda and other instruments as in our judgment are necessary or appropriate to enable us to render the opinion expressed below. We have assumed the genuineness and authenticity of all documents submitted to us
as originals, and 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-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1">FIVE PALO ALTO SQUARE, 3000 EL CAMINO REAL, PALO ALTO, CA 94306-2155 T: (650) 843-5000 F: (650) 849-7400
WWW.COOLEY.COM </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">August
19, 2009 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Page Two </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Our opinion is limited to the matters stated herein and no opinion is implied or may be inferred beyond the matters expressly stated. Our opinion herein is expressed
solely with respect to the federal laws of the United States, the General Corporation Law of the State of Delaware and, as to the Warrants constituting valid and legally binding obligations of the Company, with respect to the laws of the State of
New York. Our opinion is based on these laws as in effect on the date hereof, and we disclaim any obligation to advise you of facts, circumstances, events or developments which hereafter may be brought to our attention and which may alter, affect or
modify the opinion expressed herein. We express no opinion as to whether the laws of any particular jurisdiction are applicable to the subject matter hereof. With respect to the Warrant Shares to be issued upon exercise of the Warrants after the
date hereof, we express no opinion to the extent that, notwithstanding its current reservation of shares of Common Stock, future issuances of securities, including the Warrant Shares, of the Company and/or antidilution adjustments to outstanding
securities, including the Warrants, of the Company may cause the Warrants to be exercisable for more shares of Common Stock than the number that then remain authorized but unissued. We are not rendering any opinion as to compliance with any federal
or state antifraud law, rule or regulation relating to securities, or to the sale or issuance thereof. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">On the basis of the foregoing, and in reliance
thereon, we are of the opinion that (i)&nbsp;the Shares and associated Rights, when sold in accordance with the Registration Statements and the Prospectus, will be validly issued, and the Shares fully paid and nonassessable, (ii)&nbsp;provided that
the Warrants have been duly executed and delivered by the Company and duly delivered to the purchasers thereof against payment therefor, the Warrants, when issued and sold as contemplated in the Registration Statements and the Prospectus will be
valid and legally binding obligations of the Company, enforceable against the Company in accordance with their terms, except as enforcement thereof may be limited by bankruptcy, insolvency, reorganization, moratorium or other similar laws relating
to or affecting creditors&#146; rights generally and by general equitable principles (regardless of whether such enforceability is considered in a proceeding at law or in equity) and implied covenants of good faith and fair dealing, and
(iii)&nbsp;the Warrant Shares and associated Rights, when issued and paid for in accordance with the terms of the Warrants and in accordance with the Registration Statements and the Prospectus, will be validly issued, and the Warrant Shares fully
paid and nonassessable. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">This opinion assumes, with your consent, that the Rights Agreement has been duly authorized, executed and delivered by the Rights
Agent, and that the Company&#146;s Board of Directors (the &#147;<B><I>Board</I></B>&#148;) has acted in accordance with its fiduciary duties in adopting the Rights Agreement. This opinion does not address whether the Board may be required to redeem
or terminate, or take other action with respect to, the Rights in the future based on the facts and circumstances then existing. Moreover, this opinion addresses corporate procedures in connection with the issuance of the Rights associated with the
Shares and the Warrant Shares, and not any particular provision of the Rights or the Rights Agreement. It should be understood that it is not settled whether the invalidity of any particular provision of a rights agreement or purchase rights issued
thereunder would invalidate such rights in their entirety. </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1">FIVE PALO ALTO SQUARE, 3000 EL CAMINO REAL, PALO ALTO, CA 94306-2155 T: (650) 843-5000 F: (650) 849-7400
WWW.COOLEY.COM </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">August
19, 2009 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Page Three </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">We consent to the reference to our firm under the caption &#147;Legal Matters&#148; in the Prospectus included in the Registration Statements and to the filing of this
opinion as an exhibit to a Current Report of the Company on Form 8-K. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="100%"></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Sincerely,</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Cooley Godward Kronish LLP</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD></TR>
<TR>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">/s/ Suzanne Sawochka Hooper</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By: Suzanne Sawochka Hooper</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="1">FIVE PALO ALTO SQUARE, 3000 EL CAMINO REAL, PALO ALTO, CA 94306-2155 T: (650) 843-5000 F: (650) 849-7400
WWW.COOLEY.COM </FONT></P>

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<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>5
<FILENAME>dex101.htm
<DESCRIPTION>FORM OF SUBSCRIPTION AGREEMENT
<TEXT>
<HTML><HEAD>
<TITLE>Form of Subscription Agreement</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit 10.1 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Subscription Agreement </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">2411 Stanwell Drive </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Concord, California 94520 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">Ladies and Gentlemen: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">The undersigned (the &#147;<U>Investor</U>&#148;) hereby confirms and agrees with Cerus Corporation,
a Delaware corporation (the &#147;<U>Company</U>&#148;), as follows: </FONT></P> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>1.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>As of the Closing (as defined below) and subject to the terms and conditions hereof, the Investor will purchase from the Company and the Company will issue and sell to the
Investor (i)&nbsp;such number of shares (the &#147;<U>Shares</U>&#148;) of common stock of the Company, par value $0.001 per share (the &#147;<U>Common Stock</U>&#148;), and (ii)&nbsp;such number of warrants (the &#147;<U>Warrants</U>&#148;) to
purchase shares of Common Stock, in such number of units (the &#147;<U>Units</U>&#148;), with each Unit consisting of (a)&nbsp;one share of Common Stock and (b)&nbsp;one Warrant to purchase 0.40 of a share of Common Stock (the &#147;<U>Warrant
Ratio</U>&#148;), as is set forth on the signature page hereto (the &#147;<U>Signature Page</U>&#148;) for a purchase price of $2.20 per Unit. </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>2.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The closing is expected to occur on or about August&nbsp;25, 2009 (the &#147;<U>Closing</U>&#148;) in accordance with Rule 15c6-1 promulgated under the Securities Exchange
Act of 1934, as amended, subject to the satisfaction of certain closing conditions set forth in the Placement Agency Agreement dated as of August&nbsp;19, 2009 (the &#147;<U>Placement Agency Agreement</U>&#148;) entered into by and between the
Company and the placement agent for the Offering (as defined below). At the Closing, (a)&nbsp;the Company shall cause the Company&#146;s transfer agent for the Common Stock to electronically deliver to the Investor through DTC the number of Shares
set forth on the signature page registered in the name of the Investor or, if so indicated on the signature page, in the name of a nominee designated by the Investor, (b)&nbsp;the Company shall cause to be delivered to the Investor a Warrant to
purchase a number of whole shares of Common Stock determined by multiplying the number of Shares set forth on the signature page by the Warrant Ratio and rounding down to the nearest whole number and (c)&nbsp;the aggregate purchase price for the
Units being purchased by the Investor will be delivered by or on behalf of the Investor to the Company. </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>3.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The offering and sale of the Units (the &#147;<U>Offering</U>&#148;) is being made pursuant to (i)&nbsp;an effective registration statement on Form S-3 (File
No.&nbsp;333-154842), including the prospectus contained therein (the &#147;<U>Base Prospectus</U>&#148;), filed with the Securities and Exchange Commission (the &#147;<U>Commission</U>&#148;) on October&nbsp;30, 2008, (ii)&nbsp;an automatically
effective registration statement (File No.&nbsp;333-161214) registering the rights issuable under the Company&#146;s Stockholder Rights Plan, dated November&nbsp;3, 1999, filed with the Commission pursuant to Rule 462(b) under the Securities Act of
1933, as amended (the &#147;<U>Securities Act</U>&#148;), on August&nbsp;10, 2009, and (iii)&nbsp;a final prospectus supplement (the &#147;<U>Prospectus Supplement</U>&#148;) containing certain supplemental information regarding the Units and terms
of the Offering. The Base Prospectus has been delivered to the Investor on or prior to the date hereof and has been filed with the Commission in accordance with applicable securities laws. The Base Prospectus, together with the documents
incorporated by reference therein and the pricing information set forth in Schedule I to this Subscription Agreement, are collectively referred to herein as the &#147;<U>General Disclosure Package</U>.&#148; </FONT></TD></TR></TABLE> <P
STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>4.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Company&#146;s obligation to issue and sell the Units to the Investor shall be subject to the receipt by the Company of the purchase price for the Units
being purchased hereunder as set forth on the Signature Page and the accuracy of the representations and warranties made by the Investor herein </FONT>
</P></TD></TR></TABLE>

<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">


<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px; margin-left:0%">
<FONT FACE="Times New Roman" SIZE="2">and the fulfillment of those undertakings herein of the Investor to be fulfilled prior to the Closing Date. The Investor&#146;s obligation to purchase the
Units shall be subject to the condition that the placement agent shall not have (i)&nbsp;terminated the Placement Agency Agreement pursuant to the terms thereof or (ii)&nbsp;determined that the conditions to closing in the Placement Agency Agreement
have not been satisfied. </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>5.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Company shall before the opening of trading on the Nasdaq Global Market on the next trading day after the date hereof, issue a press release and file a Current Report on
Form 8-K, together disclosing all material aspects of the transactions contemplated hereby and attaching thereto the form of Subscription Agreement and form of Warrant for this Offering. The Company shall not identify the Investor by name in any
press release or public filing, or otherwise publicly disclose the Investor&#146;s name, without the Investor&#146;s prior written consent, unless required by applicable laws, rules and regulations. </FONT></TD></TR></TABLE> <P
STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>6.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Investor represents that (i)&nbsp;it has had full access to the General Disclosure Package prior to or in connection with its receipt of this Subscription Agreement and
is relying only on such information and documents in making its decision to purchase the Units, and (ii)&nbsp;it is acquiring the Units for its own account, or an account over which it has investment discretion, and does not have any agreement or
understanding, directly or indirectly, with any person or entity to distribute any of the Units. </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>7.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Investor and the Company each has the requisite power and authority to enter into this Subscription Agreement and to consummate the transactions contemplated hereby.
</FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>8.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Investor represents that neither the Investor nor any person acting on behalf of, or pursuant to any understanding with or based upon any information received from, the
Investor has, directly or indirectly, as of the date of this Subscription Agreement, engaged in any purchases or sales of the securities of the Company or has violated its obligations of confidentiality with respect to the Offering since the time
that the Investor was first contacted by the Company or its agents with respect to the transactions contemplated hereby. The Investor covenants that neither it, nor any person acting on behalf of, or pursuant to any understanding with or based upon
any information received from, the Investor will engage in any purchases or sales of the securities of the Company prior to the time that the transactions contemplated by this Subscription Agreement are publicly disclosed pursuant to Section&nbsp;5
hereof. Notwithstanding the foregoing, in the case of an Investor and/or its affiliates that is, individually or collectively, a multi-managed investment bank or vehicle whereby separate portfolio managers manage separate portions of such
Investor&#146;s or affiliates assets and the portfolio managers have no direct knowledge of the investment decisions made by the portfolio managers managing other portions of such Investor&#146;s or affiliates assets, the representation set forth
above shall only apply with respect to the portion of assets managed by the portfolio managers that have knowledge about the financing transaction contemplated by this Subscription Agreement. </FONT></TD></TR></TABLE> <P
STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>9.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Investor represents that, except as set forth on the signature page, (i)&nbsp;it has had no position, office or other material relationship within the past three years
with the Company or persons known to it to be affiliates of the Company, (ii)&nbsp;it is not a FINRA member or an Associated Person (as such term is defined under FINRA Membership and Registration Rules Section&nbsp;1011(b)) as of the date hereof,
and (iii)&nbsp;neither it nor any group of investors (as identified in a public filing made with the Commission) of which it is a member, acquired, or obtained the right to acquire, 20% or more of the Common Stock (or securities convertible or
exercisable for Common Stock) or the voting power of the Company on a post-transaction basis. </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>10.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B></B>The Placement Agency Agreement contains representations, warranties, covenants and agreements of the Company, which may be relied upon by the Investor, which
shall be a third party beneficiary </FONT>
</P></TD></TR></TABLE> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">2 </FONT></P>


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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px; margin-left:0%">
<FONT FACE="Times New Roman" SIZE="2">thereof. The Company confirms that, since the time that the Investor was first contacted by the Company or its agents with respect to the transactions
contemplated hereby, neither it nor any other person acting on its behalf has provided the Investor or their agents or counsel with any information that constitutes or could reasonably be expected to constitute material, nonpublic information,
except as will be disclosed in the Prospectus Supplement and the Company&#146;s press release and Form 8-K to be filed with the Commission pursuant to Section&nbsp;5 hereof. The Company understands and confirms that the Investor will rely on the
foregoing in effecting transactions in securities of the Company. </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>11.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>This Subscription Agreement will involve no obligation or commitment of any kind until this Subscription Agreement is accepted and countersigned by or on behalf of the
Company. The Investor acknowledges and agrees that the Investor&#146;s receipt of the Company&#146;s counterpart to this Subscription Agreement shall constitute written confirmation of the Company&#146;s sale of Units to such Investor.
</FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>12.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>All covenants, agreements, representations and warranties herein will survive the execution of this Subscription Agreement, the delivery of the Units being purchased and the
payment therefor. </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>13.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">In the event that the Placement Agency Agreement is terminated by the placement agent for the Offering pursuant to the terms thereof, this Agreement shall terminate without any
further action on the part of the parties hereto. </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>14.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B></B>This Subscription Agreement may not be modified or amended except pursuant to an instrument in writing signed by the Company and the Investor. This Subscription Agreement
will be governed by the internal laws of the State of New York, without giving effect to the principles of conflicts of law. This Subscription Agreement may be executed in one or more counterparts, each of which will constitute an original, but all
of which, when taken together, will constitute but one instrument, and signatures may be delivered by facsimile or by e-mail delivery of a &#147;.pdf&#148; format data file. Capitalized terms used but not defined herein shall have the meanings
ascribed to such terms in the Placement Agency Agreement. </FONT></TD></TR></TABLE> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">[Signature page follows] </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">3 </FONT></P>


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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>INVESTOR SIGNATURE PAGE </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">Number of Units:
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">(each consisting of one Share and one Warrant to purchase 0.40 of a share of Common Stock) </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">Purchase Price Per Unit: $2.20 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Aggregate Purchase Price:
$<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Please confirm that the foregoing correctly sets forth the agreement between us by signing in the space provided below for that purpose. </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Dated as of: August&nbsp;19, 2009 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">NAME OF INVESTOR:
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U> </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0">

<TR>
<TD WIDTH="13%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD WIDTH="84%"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Exact name which Shares and Warrants are to be registered:
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </U> </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD WIDTH="23%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="36%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="37%"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Taxpayer&nbsp;Identification&nbsp;Number:&nbsp;</FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Mailing&nbsp;Address&nbsp;for&nbsp;Warrants:</FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">DWAC Instructions for the Shares: </FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" ALIGN="center">

<TR>
<TD WIDTH="3%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="46%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="3%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="45%"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name of DTC Participant (broker-dealer at which the account or accounts to be credited with the Shares are maintained)</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT FACE="Times New Roman"
SIZE="2"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </U></FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">DTC Participant Number</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman"
SIZE="2"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </U></FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name of Account at DTC Participant being credited with the Shares</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman"
SIZE="2"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </U></FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Account Number at DTC Participant being credited with the Shares</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman"
SIZE="2"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </U></FONT></TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Person to contact to initiate DWAC at closing:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
</TABLE> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" ALIGN="center">

<TR>
<TD WIDTH="6%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="5%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="27%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="29%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="29%"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Tel:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">Email:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000; margin-left:1.00em; text-indent:-1.00em"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">EXCEPTIONS TO SECTION 9: </FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman"
SIZE="2"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </U></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">(If no
exceptions, write &#147;none.&#148; If left blank, response will be deemed to be &#147;none.&#148;) </FONT></P>

<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Agreed and Accepted this 19th day of August, 2009: </FONT></P> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0">

<TR>
<TD WIDTH="13%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="86%"></TD></TR>
<TR>
<TD VALIGN="top" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2">CERUS CORPORATION</FONT></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Name:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
<TR>
<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Title:</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"><B>Sales of the Units purchased hereunder were made pursuant to a registration statement or in a transaction in
which a final prospectus would have been required to have been delivered in the absence of Rule 172 promulgated under the Securities Act. </B></FONT></P>

<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SCHEDULE I </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Pricing Information </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Number of Units to be Sold: 6,000,000 </FONT></P> <P
STYLE="margin-top:6px;margin-bottom:0px; margin-left:4%"><FONT FACE="Times New Roman" SIZE="2">Stock: 6,000,000 shares </FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px; margin-left:4%"><FONT FACE="Times New Roman" SIZE="2">Warrants: 2,400,000
shares of Warrant Stock </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Unit: 1 share of Stock and a Warrant to purchase 0.40 of a share of Warrant Stock </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Warrants: $2.90 exercise price; 5 year term; exercisable commencing on the sixth month anniversary of the date of issuance </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Offering Price: $2.20 per Unit </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Aggregate Placement Agent Fee: $660,000
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Estimated Net Proceeds to the Company (before transaction expenses other than the Placement Agent Fee): $12.54 million </FONT></P> <P
STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Dilution: $1.33 per share of Common Stock </FONT></P>
</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>6
<FILENAME>dex991.htm
<DESCRIPTION>PRESS RELEASE
<TEXT>
<HTML><HEAD>
<TITLE>Press Release</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT FACE="Times New Roman" SIZE="2"><B>Exhibit 99.1 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px">

<IMG SRC="g75431ex99_1logo.jpg" ALT="LOGO"> </P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Contact: </FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Kevin D. Green
</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Vice President, Finance&nbsp;&amp; CAO </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation
</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">(925) 288-6138 </FONT></P> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>CERUS CORPORATION ANNOUNCES
PRICING OF COMMON </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>STOCK AND WARRANT OFFERING </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
FACE="Times New Roman" SIZE="2">CONCORD, CA, AUGUST 20, 2009 - Cerus Corporation (NASDAQ: CERS) today announced that it has entered into definitive agreements with selected investors to sell 6,000,000 units, with each unit consisting of (i)&nbsp;one
share of the Company&#146;s common stock and (ii)&nbsp;a warrant to purchase 0.4 of a share of the Company&#146;s common stock for gross proceeds of approximately $13.2 million in a &#147;registered direct&#148; offering. The Company estimates that
net proceeds from the offering will be approximately $12.2 million, after deducting placement agent fees and estimated offering expenses. The investors have agreed to purchase the units at a purchase price of $2.20 per unit. The warrants, which
represent the right to acquire an aggregate of up to 2,400,000 shares of the Company&#146;s common stock, will have a five-year term from the date of issuance, will be exercisable beginning six months after the date of issuance and will be
exercisable at a price of $2.90 per share. The transaction is expected to close on or about August&nbsp;25, 2009, subject to the satisfaction of customary closing conditions. The net proceeds from the transaction are expected to be used for working
capital and general corporate purposes. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cowen and Company, LLC, a subsidiary of Cowen Group, Inc. (NASDAQ: COWN), acted as the exclusive placement agent
for the transaction. </FONT></P>

<p Style='page-break-before:always'>
<HR  SIZE="3" COLOR="#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">The securities described above are being offered by Cerus Corporation pursuant to effective registration statements
previously filed with the Securities and Exchange Commission. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">This press release shall not constitute an offer to sell or the solicitation of an offer to
buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state. The securities may be
offered only by means of a prospectus. Copies of the final prospectus supplement and accompanying prospectus relating to this offering may be obtained from the Securities and Exchange Commission&#146;s website at http://www.sec.gov or from the
offices of Cowen and Company, LLC c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Attn: Prospectus Department (631)&nbsp;254-7106. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT FACE="Times New Roman"
SIZE="2"><B>ABOUT CERUS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Cerus Corporation is a biomedical products company focused on commercializing the INTERCEPT Blood System to enhance blood
safety. The INTERCEPT Blood System is designed to inactivate blood-borne pathogens in donated blood components intended for transfusion. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">INTERCEPT and the
INTERCEPT Blood System are trademarks of Cerus Corporation. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2"><B><I>Forward-Looking Statements </I></B></FONT></P> <P
STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">This press release contains forward-looking statements, including statements related to the anticipated closing of the offering. Because the Company&#146;s
forward-looking statements are subject to risks and uncertainties, there are important factors that could cause actual results to differ materially from those in the forward-looking statements. These factors include, without limitation, risks
related to whether the offering will close when anticipated or at all, and the Company&#146;s need for additional capital. These and other risk factors are discussed under &#147;Risk Factors&#148; in the Quarterly Report on Form 10-Q for the quarter
ended June&nbsp;30, 2009 filed by the Company with the Securities and Exchange Commission on August&nbsp;10, 2009. The Company disclaims any obligation or undertaking to update or revise any forward-looking statements contained in this press
release. </FONT></P>
</BODY></HTML>
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#2O_9
`
end
</TEXT>
</DOCUMENT>
</SUBMISSION>
