UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.     )

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Filed by a party other than the Registrant  ☐

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☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to §240.14a-12

CERUS CORPORATION

(Name of Registrant as Specified In Its Charter)

N/A

(Name of Person(s) Filing Proxy Statement if Other Than The Registrant)

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                CERUS CORPORATION

                ATTN: LORI L.ROLL

                1220 CONCORD AVE., SUITE 600

                CONCORD, CA 94520

                D79437-P71826-P71240

You invested in CERUS CORPORATION and it’s time to vote!

You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on June 1, 2022.

Get informed before you vote

View the Notice and Proxy Statement and our Annual Report, which includes the Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 18, 2022. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

  

* Please check the meeting materials for any special requirements for meeting attendance.

V1.1

Vote at www.ProxyVote.com

THIS IS NOT A VOTABLE BALLOT

This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters.

Voting Items		Board Recommends
1.	The election of the two nominees for director named in the Proxy Statement, to hold office until the 2025 Annual Meeting of Stockholders.
	Nominees:		For
	01) Jami Dover Nachtsheim
	02) Gail Schulze
2.	The approval of an amendment and restatement of the Company’s Amended and Restated 2008 Equity Incentive Plan to increase the aggregate number of shares of common stock authorized for issuance thereunder by 12,000,000 shares and to make certain other changes thereto as described further in the accompanying Proxy Statement.		For
3.	The approval, on an advisory basis, of the compensation of the Company’s named executive officers as disclosed in the Proxy Statement.		For
4.	The indication, on an advisory basis, of the preferred frequency of stockholder advisory votes on the compensation of the Company’s named executive officers.		Year
5.	The ratification of the selection by the Audit Committee of the Board of Directors of Ernst & Young LLP as the independent registered public accounting firm of the Company for its fiscal year ending December 31, 2022.		For
NOTE: In their discretion, the proxies are authorized to vote upon such other business as may properly come before the meeting or any adjournment or postponement thereof.

Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”.

D79438-P71826-P71240