Definitive Additional Materials





Washington, D.C. 20549


Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.    )

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¨   Definitive Proxy Statement
þ   Definitive Additional Materials
¨   Soliciting Material Pursuant to §240.14a-12

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IMPORTANT NOTICE Regarding the Availability of Proxy Materials for the LSI Corporation Annual Meeting of Stockholders to be held on May 9, 2012

Meeting Information

LSI Corporation Annual Meeting of Stockholders

For holders as of: March 12, 2012

Date: May 9, 2012 Time: 9:00 a.m. PDT

Location: LSI Corporation

1621 Barber Lane

Milpitas, CA 95035

You are receiving this notice because you are a stockholder of LSI.

This is not a proxy card. You cannot vote by sending this notice back to us. This notice presents only an overview of the more complete proxy materials. You can view the proxy materials online at You can also request a paper copy by following the instructions on the other side of this sheet.

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the other side of this sheet for information about how to obtain proxy materials and for voting instructions.


M42582 - P20660



Before You Vote

How to Access the Proxy Materials or Request a Paper Copy

The following materials are available in connection with our annual meeting:

Letter to Stockholders Proxy Statement Annual Report on Form 10-K

How to View Online:


How to Request a PAPER or E-MAIL Copy:

If you want 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:


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

3) BY E-MAIL*:

* If you request materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow XXXX XXXX XXXX (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. To facilitate timely delivery, please make your request on or before April 25, 2012.

How To Vote

Please Choose One of the Following Voting Methods

Vote By Internet: To vote now by Internet, go to Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX (located on the following page) available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the proxy materials, which will include a proxy card.

Vote By Phone: You can find instructions for voting by phone

Vote In Person: You can vote in person at the annual meeting. You can obtain directions to the meeting at Please bring this notice—it will act as your admission ticket. We will provide a ballot you can use to vote at the meeting.




Voting Items

At the annual meeting, stockholders will be voting on the following matters:

1. The election of directors. The nominees are:

1a. Charles A. Haggerty 2. To ratify the Audit Committee’s selection of PricewaterhouseCoopers LLP as our independent auditors for 2012.

1b. Richard S. Hill

1c. John H.F. Miner 3. Advisory vote to approve our executive compensation.

1d. Arun Netravali 4. To approve our amended 2003 Equity Incentive Plan.

1e. Charles C. Pope

1f. Gregorio Reyes

1g. Michael G. Strachan

1h. Abhijit Y. Talwalkar

1i. Susan M. Whitney


The Board of Directors recommends a vote FOR each nominee named on this sheet and FOR proposals 2, 3 and 4.