Definitive Additional Materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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CYPRESS SEMICONDUCTOR CORPORATION

 

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*** Exercise Your Right to Vote ***

IMPORTANT NOTICE Regarding the Availability of Proxy Materials

CYPRESS SEMICONDUCTOR

CORPORATION

Meeting Information

Meeting Type: Annual Meeting of Stockholders

For holders as of: March 24, 2009

Date: May 22, 2009

Time:10:00 a.m. PT

Location: 198 Champion court

San Jose, California 95134

You are receiving this communication because you hold

shares in Cypress Semiconductor Corporation.

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.

See the reverse side of this notice to obtain

proxy materials and voting instructions.

CYPRESS SEMICONDUCTOR CORPORATION

198 CHAMPION COURT

SAN JOSE, CA 95134

CYPRESS

PERFORM

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Before You Vote

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

NOTICE AND PROXY STATEMENT, ANNUAL REPORT ON FORM 10-K

How to View Online:

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

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How To Vote

Please Choose One of the Following Voting Methods

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Voting Items

01) T.J. RODGERS

02) W. STEVE ALBRECHT

03) ERIC A. BENHAMOU

04) LLOYD CARNEY

The Board of Directors recommends you vote

“FOR” all nominees listed below and “FOR”

Proposals 2 and 3.

1. Election of Directors

Nominees:

05) JAMES R. LONG

06) J. DANIEL MCCRANIE

07) EVERT VAN DE VEN

3. The approval of a 1994 Stock Plan amendment to provide stock option exchange flexibility; and

2. The ratification of the appointment of PricewaterhouseCoopers LLP as our independent registered public

accounting firm for the fiscal year 2009.

In their discretion, on such other business as may properly come before the Annual Meeting.

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