Definitive Additional Materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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Securities Exchange Act of 1934

(Amendment No.      )

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SunPower Corporation

 

(Name of Registrant as Specified In Its Charter)

n/a

 

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LOGO

 

You are receiving this communication because you hold

shares in the above named company.

This is not a ballot. You cannot use this notice to vote

these shares. This communication presents only an

overview of the more complete proxy materials that are

available to you on the Internet. You may view the proxy

materials online at www.proxyvote.com or easily request a

paper copy (see reverse side).

We encourage you to access and review all of the

important information contained in the proxy materials

before voting.

*** Exercise Your Right to Vote ***

IMPORTANT NOTICE Regarding the Availability of Proxy Materials

See the reverse side of this notice to obtain

proxy materials and voting instructions.

Meeting Information

Meeting Type:

For holders as of:

Date: Time:

Location:

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SUNPOWER CORPORATION

SUNPOWER CORPORATION

3939 NORTH FIRST STEET

SAN JOSE, CA 95134

Annual Meeting

March 09, 2010

May 04, 2010 12:00 PM PDT

Cypress Semiconductor Corp

198 Champion Court

San Jose, California 95134


LOGO

 

How To Vote

Please Choose One of The Following Voting Methods

Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession

of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special

requirements for meeting attendance. At the Meeting you will need to request a ballot to vote these shares.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the 12 Digit Control Number available

and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Before You Vote

How to Access the Proxy Materials

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advisor. To facilitate timely delivery please make the request as instructed above on or before

Proxy Materials Available to VIEW or RECEIVE:

How to View Online:

Have the 12-Digit Control Number available (located on the following page) and visit: www.proxyvote.com.

How to Request and Receive a PAPER or E-MAIL Copy:

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for

requesting a copy. Please choose one of the following methods to make your request:

1) BY INTERNET: www.proxyvote.com

2) BY TELEPHONE: 1-800-579-1639

3) BY E-MAIL*: sendmaterial@proxyvote.com

* If requesting materials by e-mail, please send a blank e-mail with the 12-Digit Control Number (located on the

following page) in the subject line.

0000053892_2 R2.09.05.010

1. Combined Document

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment

advisor. Please make the request as instructed above on or before April 20, 2010 to facilitate timely delivery.


LOGO

 

Voting items

0000053892_3 R2.09.05.010

The Board of Directors recommends that you

vote FOR the following:

1. Election of Directors

Nominees

01 W. STEVE ALBRECHT 02 BETSY S. ATKINS

The Board of Directors recommends you vote FOR the following proposal(s):

2 PROPOSAL TO RATIFY THE APPOINTMENT OF PRICEWATERHOUSECOOPERS LLP AS THE INDEPENDENT REGISTERED PUBLIC

ACCOUNTING FIRM OF THE COMPANY FOR FISCAL YEAR 2010.

NOTE: In their discretion, Thomas H. Werner, Dennis V. Arriola, Bruce R. Ledesma, or any of them, each with the

power of substitution, are authorized to vote upon such other matter or matters which may properly come before the

meeting or any adjournment or postponement thereof.


LOGO

 

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