<SEC-DOCUMENT>0001193125-19-064236.txt : 20190305
<SEC-HEADER>0001193125-19-064236.hdr.sgml : 20190305
<ACCEPTANCE-DATETIME>20190305171402
ACCESSION NUMBER:		0001193125-19-064236
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20190301
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Termination of a Material Definitive Agreement
ITEM INFORMATION:		Material Modifications to Rights of Security Holders
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190305
DATE AS OF CHANGE:		20190305

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CERUS CORP
		CENTRAL INDEX KEY:			0001020214
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				680262011
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21937
		FILM NUMBER:		19659557

	BUSINESS ADDRESS:	
		STREET 1:		2550 STANWELL DRIVE
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520
		BUSINESS PHONE:		9252886000

	MAIL ADDRESS:	
		STREET 1:		2550 STANWELL DRIVE
		STREET 2:		STE 300
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CERUS TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19960731
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d681066d8k.htm
<DESCRIPTION>FORM 8-K
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<TITLE>Form 8-K</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT
STYLE="white-space:nowrap">8-K</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT
REPORT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant to Section&nbsp;13 or 15(d) </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>of the Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>March&nbsp;1, 2019 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date
of Report (Date of earliest event reported) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>Cerus
Corporation </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">000-21937</FONT></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">68-0262011</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of incorporation)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Commission File Number)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(IRS Employer Identification No.)</B></TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>2550 Stanwell Drive</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Concord, California</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"><B>94520</B></TD></TR>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"><B>(Address of principal executive offices)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Registrant&#146;s telephone number, including area code:
<FONT STYLE="white-space:nowrap">(925)&nbsp;288-6000</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below
if the Form <FONT STYLE="white-space:nowrap">8-K</FONT> filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Soliciting material pursuant to Rule <FONT STYLE="white-space:nowrap">14a-12</FONT> under the Exchange Act (17
CFR <FONT STYLE="white-space:nowrap">240.14a-12)</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT
STYLE="white-space:nowrap">14d-2(b)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.14d-2(b))</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to <FONT
STYLE="white-space:nowrap">Rule&nbsp;13e-4(c)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.13e-4(c))</FONT> </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167; 230.405 of this
chapter) or Rule 12b&#150;2 of the Securities Exchange Act of 1934 (&#167;&nbsp;240.12b&#150;2 of this chapter). </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emerging growth
company&nbsp;&nbsp;&#9744; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period
for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a) of the Exchange Act.&nbsp;&nbsp;&#9744; </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;1.01</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Entry into a Material Definitive Agreement. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On March&nbsp;1, 2019, Cerus Corporation (the &#147;Company&#148;) entered into a Second Amendment to Rights Agreement (the &#147;Amendment) with Equiniti
Trust Company (the &#147;Rights Agent&#148;) to amend that certain Rights Agreement, dated as of November&nbsp;3, 1999, with Norwest Bank Minnesota, N.A., a predecessor to the Rights Agent, which was subsequently amended as of August&nbsp;6, 2001
and October&nbsp;28, 2009 (the &#147;Rights Agreement&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Amendment accelerates the expiration of the Company&#146;s preferred share purchase
rights (the &#147;Rights&#148;) from the close of business on October&nbsp;27, 2019, to the close of business on March&nbsp;1, 2019, and has the effect of terminating the Rights Agreement on that date. At the time of the termination of the Rights
Agreement, all of the Rights distributed to holders of the Company&#146;s common stock pursuant to the Rights Agreement expired. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The foregoing is a
summary of the terms of the Amendment. The summary does not purport to be complete and is qualified in its entirety by reference to the Amendment, a copy of which is attached as Exhibit 4.1 and incorporated herein by reference. </P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;1.02</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Termination of a Material Definitive Agreement. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The information set forth under Item 1.01 is incorporated herein by reference. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;3.03</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Material Modifications to Rights of Security Holders. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The information set forth under Item 1.01 is incorporated herein by reference. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;5.02</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;
Compensatory Arrangements of Certain Officers. </B></P></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(b) On March&nbsp;1, 2019, Laurence M. Corash, M.D. informed the Company that he does
not intend to stand for reelection to the Company&#146;s Board of Directors (the &#147;Board&#148;) at the Company&#146;s 2019 annual meeting of stockholders. Dr.&nbsp;Corash&#146;s intention not to stand for reelection to the Board is not the
result of a disagreement with the Company on any matter relating to the Company&#146;s operations, policies or practices. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(d) On March&nbsp;1, 2019, the
Board, upon the recommendation of the Nominating and Corporate Governance Committee of the Board, elected Jami Dover Nachtsheim to the Board, which election was effective upon her acceptance on March&nbsp;4, 2019. Ms.&nbsp;Nachtsheim will serve in
the class of directors whose term of office expires at the Company&#146;s 2019 annual meeting of stockholders and until her successor is duly elected and qualified, or until her earlier death, resignation or removal. Ms.&nbsp;Nachtsheim currently
serves as a member of the Board of Directors of Intuitive Surgical, Inc. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Pursuant to the Company&#146;s Amended and
<FONT STYLE="white-space:nowrap">Restated&nbsp;Non-Employee&nbsp;Director</FONT> Compensation Policy, adopted by the Board on March&nbsp;2, 2018 (the &#147;Director Policy&#148;), as
<FONT STYLE="white-space:nowrap">a&nbsp;non-employee&nbsp;member</FONT> of the Board, Ms.&nbsp;Nachtsheim is entitled to receive an annual cash retainer in the amount of $40,000 for her service as a Board member, paid in quarterly installments. In
addition to the cash retainer, Ms.&nbsp;Nachtsheim will be reimbursed for reasonable expenses incurred in attending meetings of the Board. As <FONT STYLE="white-space:nowrap">a&nbsp;non-employee&nbsp;director,</FONT> Ms.&nbsp;Nachtsheim is not
entitled to perquisites or retirement benefits. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In connection with her election, Ms.&nbsp;Nachtsheim received an initial stock option grant under the
Company&#146;s Amended and Restated 2008 Equity Incentive Plan (the &#147;2008 Plan&#148;) and pursuant to the Director Policy for the number of shares of the Company&#146;s common stock equal to (i) $93,750, divided by (ii)&nbsp;the Black-Scholes
value of a stock option share, determined using the average daily closing sales price per share of the Company&#146;s common stock for the thirty (30)&nbsp;market trading days immediately prior to the grant date (the
<FONT STYLE="white-space:nowrap">&#147;Average&nbsp;30-Day&nbsp;Price&#148;),</FONT> with the resulting number rounded down to the nearest whole share, with such stock option vesting
<FONT STYLE="white-space:nowrap">in&nbsp;thirty-six&nbsp;(36)&nbsp;equal</FONT> monthly installments following the date of grant, subject to Ms.&nbsp;Nachtsheim&#146;s continued service on the Board. Ms.&nbsp;Nachtsheim also received a restricted
stock unit award (&#147;RSU&#148;) for the number of shares of the Company&#146;s common stock equal to (i) $93,750, divided by (ii)&nbsp;the <FONT STYLE="white-space:nowrap">Average&nbsp;30-Day&nbsp;Price,</FONT> with the resulting number rounded
down to the nearest whole share, with such RSU vesting in three (3)&nbsp;annual installments following the date of grant, also subject to Ms.&nbsp;Nachtsheim&#146;s continued service on the Board. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ms.&nbsp;Nachtsheim will automatically receive, pursuant to the Director Policy, an option to purchase the number of shares of the Company&#146;s common stock
equal to (i) $62,500, divided by (ii)&nbsp;the Black-Scholes value of a stock option share, determined using the <FONT STYLE="white-space:nowrap">Average&nbsp;30-Day&nbsp;Price,</FONT> with the resulting number rounded down to the nearest whole
share (the &#147;Annual Option&#148;), </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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and an RSU for the number of shares of the Company&#146;s common stock equal to (x) $62,500, divided by (y)&nbsp;the <FONT STYLE="white-space:nowrap">Average&nbsp;30-Day&nbsp;Price,</FONT> with
the resulting number rounded down to the nearest whole share (the &#147;Annual RSU&#148;), on the date of each annual meeting of the stockholders of the Company if she has been a member of the Board for at least twelve (12)&nbsp;months prior to the
date of the applicable annual meeting and is serving as <FONT STYLE="white-space:nowrap">a&nbsp;non-employee&nbsp;director</FONT> as of such date. The Annual Option will vest in twelve equal monthly installments beginning one month from the date of
grant, with full vesting to occur on the earlier of one year from the grant date, or the trading day immediately prior to date of the next annual meeting. The Annual RSU will vest 100% upon the earlier of one year from the grant date, or the trading
day immediately prior to date of the next annual meeting. Annual equity grants under the Director Policy <FONT STYLE="white-space:nowrap">are&nbsp;non-discretionary.&nbsp;All</FONT> options granted pursuant to the Director Policy have a term of ten
years, have an exercise price equal to 100% of the fair market value of the Company&#146;s common stock on the date of grant and are subject to the terms of the 2008 Plan. In the event&nbsp;of a &#147;change in control&#148; of the Company, as
defined by the 2008 Plan, all outstanding equity held by Ms.&nbsp;Nachtsheim will become fully vested immediately prior to such change in control event, subject to Ms.&nbsp;Nachtsheim&#146;s &#147;continuous service,&#148; as defined by the 2008
Plan, to the Company at such time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In connection with Ms.&nbsp;Nachtsheim&#146;s election to the Board, she and the Company will enter into the
Company&#146;s standard indemnity agreement for the Company&#146;s directors and officers, which requires the Company to indemnify Ms.&nbsp;Nachtsheim, under the circumstances and to the extent provided for therein, against certain expenses and
other amounts incurred by Ms.&nbsp;Nachtsheim as a result of being made a party to certain actions, suits, proceedings and the like by reason of her position as a director of the Company. </P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;5.03</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Amendments to Articles of Incorporation or Bylaws; Change in Fiscal year. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On March&nbsp;4, 2019, the Company filed a Certificate of Elimination (the &#147;Certificate of Elimination&#148;) with the Secretary of State of the State of
Delaware eliminating all provisions of the Certificate of Designation filed by the Company with the Delaware Secretary of State on July&nbsp;6, 1998 related to the Series A Preferred Stock and all provisions of the Certificate of Designation filed
by the Company with the Delaware Secretary of State on November&nbsp;5, 1999 related to the Series C Junior Participating Preferred Stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The foregoing
is a summary of the terms of the Certificate of Elimination. The summary does not purport to be complete and is qualified in its entirety by reference to the Certificate of Elimination, a copy of which is attached as Exhibit 3.1 and incorporated
herein by reference. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;9.01.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Financial Statements and Exhibits. </B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD WIDTH="94%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>3.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d681066dex31.htm">Certificate of Eliminations of Series A Preferred Stock and Series C Junior Participating Preferred Stock of Cerus Corporation. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>4.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d681066dex41.htm">Second Amendment to Rights Agreement by and between Cerus Corporation and Equiniti Trust Company, dated March&nbsp;1, 2019. </A></TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">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,
thereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="4%"></TD>
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<TD WIDTH="4%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="44%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="3"><B>CERUS CORPORATION</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Dated: March&nbsp;5, 2019</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Chrystal Menard</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Chrystal Menard</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Chief Legal Officer and General Counsel</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">4 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INDEX TO EXHIBITS </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="92%"></TD></TR>
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<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Exhibit</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center"><B>Number</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman"><B>Description of Document</B></P></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>3.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Certificate of Elimination of Series A Preferred Stock and Series C Junior Participating Preferred Stock of Cerus Corporation.</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>4.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Second Amendment to Rights Agreement by and between Cerus Corporation and Equiniti Trust Company, dated March&nbsp;1, 2019.</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">5 </P>

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<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>d681066dex31.htm
<DESCRIPTION>EX-3.1
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 3.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CERTIFICATE OF ELIMINATION OF </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SERIES A PREFERRED STOCK </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>AND </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SERIES C JUNIOR
PARTICIPATING PREFERRED STOCK </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>OF CERUS CORPORATION </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Pursuant to Section&nbsp;151(g) of the </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>General Corporation Law of the State of Delaware) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>C<SMALL>ERUS</SMALL> C<SMALL>ORPORATION</SMALL></B><SMALL></SMALL>, a Delaware corporation (the &#147;<B><I>Company</I></B>&#148;), hereby
certifies as follows: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>F<SMALL>IRST</SMALL></B><SMALL><B></B></SMALL><B>: </B>The date on which the Company&#146;s original Certificate
of Incorporation was filed with the Delaware Secretary of State was July&nbsp;31, 1996 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>S<SMALL>ECOND</SMALL></B><SMALL><B></B></SMALL><B>: </B>The Company filed on July&nbsp;6, 1998, with the Delaware Secretary of State
pursuant to Section&nbsp;151(g) of the General Corporation Law of the State of Delaware (the &#147;<B><I>DGCL</I></B>&#148;) a Certificate of Designation of Series A Preferred Stock designating the rights, powers, preferences and privileges of the
Company&#146;s Series A Preferred Stock; and the Company filed on November&nbsp;5, 1999, with the Delaware Secretary of State pursuant to Section&nbsp;151(g) of the DGCL a Certificate of Designation of Series C Junior Participating Preferred Stock
designating the rights, powers, preferences and privileges of the Company&#146;s Series C Junior Participating Preferred Stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>T<SMALL>HIRD</SMALL></B><SMALL><B></B></SMALL><B>: </B>The Board of Directors of the Company (the &#147;<B><I>Board</I></B>&#148;), has
adopted the following resolutions: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>R<SMALL>ESOLVED</SMALL>,</B><B> </B>that the Board hereby determines that none of
the authorized shares of the series of Preferred Stock, par value $0.001 per share, of the Company, designated as &#147;Series A Preferred Stock&#148; in the Certificate of Designation filed by the Company with the Delaware Secretary of State on
July&nbsp;6 ,1998, are outstanding, and that none of the shares of Series A Preferred Stock will be issued subject to such Certificate of Designation; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>R<SMALL>ESOLVED</SMALL> F<SMALL>URTHER</SMALL>,</B><B> </B>that the Board hereby determines that none of the authorized
shares of the series of Preferred Stock, par value $0.001 per share, of the Company, designated as &#147;Series C Junior Participating Preferred Stock&#148; in the Certificate of Designation filed by the Company with the Delaware Secretary of State
on November&nbsp;5, 1999, are outstanding, and that none of the shares of Series C Junior Participating Preferred Stock will be issued subject to such Certificate of Designation; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>R<SMALL>ESOLVED</SMALL> F<SMALL>URTHER</SMALL></B><SMALL></SMALL>, that the proper officers of the Company are hereby
authorized and directed to take all such actions as they may deem to be necessary or advisable in order to file a certificate with the Delaware Secretary of State to eliminate all provisions set forth in the Certificate of Designation of Series A
Preferred Stock pursuant to Section&nbsp;151(g) of the DGCL; and </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>R<SMALL>ESOLVED</SMALL>
F<SMALL>URTHER</SMALL></B><SMALL></SMALL>, that the proper officers of the Company are hereby authorized and directed to take all such actions as they may deem to be necessary or advisable in order to file a certificate with the Delaware Secretary
of State to eliminate all provisions set forth in the Certificate of Designation of Series C Junior Participating Preferred Stock pursuant to Section&nbsp;151(g) of the DGCL. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">1 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>F<SMALL>OURTH</SMALL>:</B> That all provisions set forth in the Certificate of
Designation of Series A Preferred Stock are hereby eliminated; and that all provisions set forth in the Certificate of Designation of Series C Junior Participating Preferred Stock are hereby eliminated. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>I<SMALL>N</SMALL> W<SMALL>ITNESS</SMALL> W<SMALL>HEREOF</SMALL>,</B><B> </B>Cerus
Corporation. has caused this Certificate of Eliminations to be executed by its duly authorized officer on this 1<SUP STYLE="font-size:85%; vertical-align:top">st</SUP> day of March, 2019. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD WIDTH="87%"></TD></TR>


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<TD VALIGN="top" COLSPAN="3"><B>C<SMALL>ERUS</SMALL> C<SMALL>ORPORATION</SMALL></B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ William M. Greenman</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">William M. Greenman</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">President&nbsp;&amp; Chief Executive Officer</TD></TR>
</TABLE></DIV>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

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<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>3
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<DESCRIPTION>EX-4.1
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 4.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SECOND AMENDMENT TO </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>RIGHTS AGREEMENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">THIS
SECOND AMENDMENT TO RIGHTS AGREEMENT (this <B>&#147;</B><B>Amendment</B><B>&#148;</B>), dated as of March&nbsp;1, 2019, is between Cerus Corporation, a Delaware corporation (the &#147;<B>Company</B>&#148;), and Equiniti Trust Company (the
&#147;<B>Rights Agent</B>&#148;), the successor to Wells Fargo Bank, N.A. </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>R<SMALL>ECITALS</SMALL> </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A. The Company entered into a Rights Agreement, dated as of November&nbsp;3, 1999, with Norwest Bank Minnesota, N.A., the predecessor to Wells
Fargo Bank, N.A., which was subsequently amended as of August&nbsp;6, 2001 and October&nbsp;28, 2009 (as so amended, the &#147;<B>Rights Agreement</B>&#148;). Capitalized terms used in this Amendment and not otherwise defined have the meanings given
to them in the Rights Agreement </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">B. Section 27 of the Rights Agreement provides that the Company and the Rights Agent shall, if the
Company so directs, supplement or amend any provision of the Rights Agreement without the approval of any holders of the Rights, any such supplement or amendment to be evidenced by a writing signed by the Company and the Rights Agent. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">C. The Company has determined to amend the Final Expiration Date so that the Rights terminate and expire on the date hereof, </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">D. Pursuant to Section&nbsp;27 of the Rights Agreement, the Company has directed that the Rights Agent amend the Rights Agreement as set forth
herein. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">E. The Company and the Rights Agent now wish to amend the Rights Agreement as set forth herein. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>A<SMALL>GREEMENT</SMALL> </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In consideration of the premises and the mutual agreements herein set forth, the Rights Agreement is hereby amended as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. Amendment. Section&nbsp;7(a) of the Rights Agreement is hereby amended and restated to read in its entirety as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) The registered holder of any Right Certificate may exercise the Rights evidenced thereby (except as otherwise provided
herein) in whole or in part at any time after the Distribution Date upon surrender of the Right Certificate, with the form of election to purchase on the reverse side thereof duly executed, to the Rights Agent at the office of the Rights Agent
designated for such purpose, together with payment of the Purchase Price for each one <FONT STYLE="white-space:nowrap">one-hundredth</FONT> of a Preferred Share (or such other number of shares or other securities) as to which the Rights are
exercised, at or prior to the earliest of (i)&nbsp;the Close of Business on March&nbsp;1, 2019 (the &#147;Final Expiration Date&#148;), (ii) the time at which the Rights are redeemed as provided in Section&nbsp;23 hereof (the &#147;Redemption
Date&#148;), or (iii)&nbsp;the time at which such Rights are exchanged as provided in Section&nbsp;24 hereof. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">1 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. Amendment of Exhibits. The exhibits to the Rights Agreement shall be deemed to be
restated to reflect this Amendment, including conforming changes. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. Effect of Amendment. Except as amended pursuant to this Amendment,
the Rights Agreement shall remain in force and effect in accordance with its terms. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. Counterparts. This Amendment may be executed in
any number of counterparts and each of such counterparts will for all purposes be deemed to be an original, and all such counterparts will together constitute one and the same instrument, it being understood that all parties need not sign the same
counterpart. A signature to this Amendment transmitted electronically (including by fax and .pdf) will have the same authority, effect and enforceability as an original signature. No party hereto may raise the use of such electronic transmission to
deliver a signature, or the fact that any signature or agreement or instrument was transmitted or communicated through such electronic transmission, as a defense to the formation of a contract, and each party forever waives any such defense, except
to the extent such defense relates to lack of authenticity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. Descriptive Headings. The descriptive headings of the several Sections of
this Amendment are inserted for convenience only and will not control or affect the meaning or construction of any of the provisions hereof.</P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. Further Assurances. Each of the parties to this Amendment will cooperate and take such action as may be reasonably requested by the other
party in order to carry out the provisions and purposes of this Amendment, the Rights Agreement and the transactions contemplated hereunder and thereunder.</P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. Governing Law. This Amendment will be deemed to be a contract made under the laws of the State of Delaware and for all purposes will be
governed by and construed in accordance with the laws of such State applicable to contracts made and to be performed entirely within such State.</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">IN WITNESS WHEREOF, the parties to this Amendment have caused this Amendment to be duly
executed, all as of the day and year first above written. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" COLSPAN="3">ATTEST:</TD>
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<TD VALIGN="top" COLSPAN="3">CERUS CORPORATION</TD></TR>
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<TD VALIGN="top">By:</TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Lori L. Roll</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
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<TD VALIGN="top">By:</TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Chrystal Menard</P></TD></TR>
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<TD VALIGN="top">Lori L. Roll</TD>
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<TD VALIGN="top">Chrystal Menard</TD></TR>
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<TD VALIGN="top">VP, Administration&nbsp;&amp; Corporate Secretary</TD>
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<TD VALIGN="top">Chief Legal Officer&nbsp;&amp; General Counsel</TD></TR>
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<TD VALIGN="top" COLSPAN="3">EQUINITI TRUST COMPANY</TD></TR>
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<TD VALIGN="top">By:</TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Matthew D. Paseka</P></TD>
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<TD VALIGN="top">By:</TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Martin J. Knapp</P></TD></TR>
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<TD VALIGN="top">Name:</TD>
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<TD VALIGN="top">Matthew D. Paseka</TD>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Name:</TD>
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<TD VALIGN="top">Martin J. Knapp</TD></TR>
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<TD VALIGN="top">Title:</TD>
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<TD VALIGN="top">Vice President</TD>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Title:</TD>
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<TD VALIGN="top">Vice President</TD></TR>
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