UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.   1))

Filed by the Registrant  x                             Filed by a Party other than the Registrant  ¨

Check the appropriate box:

LSI Corporation

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

PRELIMINARY PROXY STATEMENT — SUBJECT TO COMPLETION

DATED MARCH 4, 2014

[                    ],March 10, 2014

Dear Stockholder:

We cordially invite you to attend a special meeting of stockholders of LSI Corporation, a Delaware corporation, which we refer to as the Company, to be held on [                    ],April 9, 2014 at [            ],10:00 a.m., local time, at 1320 Ridder Park Drive, San Jose, California 95131.

On December 15, 2013, the Company entered into a merger agreement providing for the acquisition of the Company by Avago Technologies Wireless (U.S.A.) Manufacturing Inc., a subsidiary of Avago Technologies Limited. At the special meeting, you will be asked to consider and vote upon a proposal to adopt the merger agreement.

If the merger contemplated by the merger agreement is completed, you will be entitled to receive $11.15 in cash, without interest, less any required tax withholding, for each share of our common stock owned by you (unless you have properly exercised your appraisal rights with respect to such shares), which represents a premium of approximately 37.4% to the average closing price of our common stock during the 30-day trading period ended on December 13, 2013 (the last trading day prior to the public announcement of the execution of the merger agreement) and a premium of approximately 41% to the closing price of our common stock on December 13, 2013.

In addition, if the merger contemplated by the merger agreement is completed, executive officers of the Company are contractually entitled to certain specified compensation described in the accompanying proxy statement in connection with the merger. At the special meeting, we will ask you to approve a proposal to approve, on an advisory (non-binding) basis, that specified compensation, which proposal we refer to as the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

The board of directors of the Company has unanimously determined that the merger is fair to, and in the best interests of, the stockholders of the Company and has unanimously approved and declared advisable the merger agreement and the merger and the other transactions contemplated by the merger agreement. The board of directors of the Company made its determination after consultation with its legal and financial advisors and consideration of a number of factors.The board of directors of the Company unanimously recommends that you vote “FOR” approval of the proposal to adopt the merger agreement, “FOR” approval of the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

Approval of the proposal to adopt the merger agreement requires the affirmative vote of the holders of a majority of the outstanding shares of our common stock entitled to vote thereon. Approval of the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies, requires the affirmative vote of the holders of a majority of the shares of our common stock present in person or represented by proxy and entitled to vote on the matter. Approval of the LSI Advisory (Non-Binding) Proposal on Specified Compensation requires the affirmative vote of the holders of a majority of the shares of Company common stock present in person or represented by proxy and entitled to vote on the matter. However, because approval of the LSI Advisory (Non-Binding) Proposal on Specified Compensation is advisory in nature, it will not be binding upon the Company, the Company’s board of directors, the compensation committee of the Company’s board of directors, Avago Technologies Wireless (U.S.A.) Manufacturing Inc. or any affiliate of Avago Technologies Wireless (U.S.A.) Manufacturing Inc. Further, the underlying plans and arrangements are contractual in nature and not, by their terms, subject to stockholder approval. Accordingly, regardless of the outcome of the advisory vote, if the merger contemplated by the merger agreement is consummated, the Company’s named executive officers will be eligible to receive the various change in control payments in accordance with the terms and conditions applicable to those payments and any future amendments thereto.

Your vote is very important. Whether or not you plan to attend the special meeting, please complete, date, sign and return, as promptly as possible, the enclosed proxy card in the accompanying prepaid reply envelope, or submit your proxy by telephone or the Internet. If you attend the special meeting and vote in person, your vote by ballot will revoke any proxy previously submitted.The failure to vote your shares of our common stock will have the same effect as a vote “AGAINST” approval of the proposal to adopt the merger agreement.

If your shares of our common stock are held in “street name” by your bank, brokerage firm or other nominee, your bank, brokerage firm or other nominee will be unable to vote your shares of our common stock without instructions from you. You should instruct your bank, brokerage firm or other nominee to vote your shares of our common stock in accordance with the procedures provided by your bank, brokerage firm or other nominee.The failure to instruct your bank, brokerage firm or other nominee to vote your shares of our common stock “FOR” the proposal to adopt the merger agreement will have the same effect as voting “AGAINST” the proposal to adopt the merger agreement.

The accompanying proxy statement provides you with detailed information about the special meeting, the merger agreement, the merger and the LSI Advisory (Non-Binding) Proposal on Specified Compensation. A copy of the merger agreement is attached asAnnex A to the proxy statement. We encourage you to read the entire proxy statement and its annexes, including the merger agreement, carefully. You may also obtain additional information about the Company from documents we have filed with the Securities and Exchange Commission.

If you have any questions or need assistance voting your shares of our common stock, please call The Proxy Advisory Group, LLC, the Company’s proxy solicitor, toll-free at (888) 337-7699.

Thank you in advance for your cooperation and continued support.

Sincerely,

ABHI TALWALKAR

Chief Executive Officer

The proxy statement is dated [                    ],March 10, 2014, and is first being mailed to our stockholders on or about [                    ],March 13, 2014.

NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED THE MERGER, PASSED UPON THE MERITS OR FAIRNESS OF THE MERGER AGREEMENT OR THE TRANSACTIONS CONTEMPLATED THEREBY, INCLUDING THE PROPOSED MERGER, OR PASSED UPON THE ADEQUACY OR ACCURACY OF THE INFORMATION CONTAINED IN THIS DOCUMENT. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

PRELIMINARY PROXY STATEMENT — SUBJECT TO COMPLETION

DATED MARCH 4, 2014

LSI Corporation

NOTICE OF SPECIAL MEETING OF STOCKHOLDERS

LSI Corporation will hold its Special Meeting of Stockholders on [                    ],April 9, 2014 at [                    ],10:00 a.m., local time, at LSI’s headquarters located at 1320 Ridder Park Drive, San Jose, California 95131. We are holding the meeting for the following purposes:

1. To consider and vote on a proposal to adopt the Agreement and Plan of Merger, dated as of December 15, 2013, as it may be amended from time to time, which we refer to as the merger agreement, by and among LSI Corporation, which we refer to as the Company or LSI, Avago Technologies Limited, a limited company organized under the laws of the Republic of Singapore, which we refer to as Avago, Avago Technologies Wireless (U.S.A.) Manufacturing Inc., a Delaware corporation and an indirect wholly owned subsidiary of Avago, which we refer to as Avago USA, and Leopold Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Avago USA, which we refer to as Merger Sub. A copy of the merger agreement is attached as Annex A to the accompanying proxy statement.

2. To approve the adjournment of the special meeting, if necessary or appropriate, to solicit additional proxies if there are insufficient votes at the time of the special meeting to approve the proposal to adopt the merger agreement.

3. To approve, on an advisory (non-binding) basis, specified compensation that may become payable to the named executive officers of the Company in connection with the merger, which we refer to as the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

4. To transact any other business that may properly come before the special meeting, or any adjournment or postponement of the special meeting, by or at the direction of the board of directors of the Company.

In accordance with our bylaws, the close of business on February 10, 2014 has been fixed as the record date for the determination of the stockholders entitled to notice of, and to vote at, the meeting or any adjournment thereof. All stockholders of record are cordially invited to attend the special meeting in person.

Your vote is very important, regardless of the number of shares of Company common stock that you own. The merger cannot be completed unless the merger agreement is adopted by the affirmative vote of the holders of a majority of the outstanding shares of Company common stock entitled to vote thereon. Even if you plan to attend the special meeting in person, we request that you complete, sign, date and return, as promptly as possible, the enclosed proxy card in the accompanying prepaid reply envelope or submit your proxy by telephone or the Internet prior to the special meeting to ensure that your shares of Company common stock will be represented at the special meeting if you are unable to attend. If you fail to return your proxy card or fail to submit your proxy by phone or the Internet, your shares of Company common stock will not be counted for purposes of determining whether a quorum is present at the special meeting and will have the same effect as a vote “AGAINST” the proposal to adopt the merger agreement.

If you are a stockholder of record, voting in person at the special meeting will revoke any proxy previously submitted. If you hold your shares of Company common stock through a bank, brokerage firm or other nominee, you should follow the procedures provided by your bank, brokerage firm or other nominee in order to vote.

The board of directors of the Company has unanimously determined that the merger is fair to, and in the best interests of, the Company and its stockholders and has unanimously approved and declared advisable the merger agreement and the merger and the other transactions contemplated by the merger

agreement. The board of directors of the Company made its determination after consultation with its legal and financial advisors and consideration of a number of factors.The board of directors of the Company unanimously recommends that you vote “FOR” the proposal to adopt the merger agreement, “FOR” the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

If you plan to attend the special meeting in person, please mark the designated box on the enclosed proxy card. Alternatively, if you utilize the Internet voting system, please indicate your plans to attend the special meeting when prompted to do so by the system. If you are a stockholder of record, you should bring the top half of the enclosed proxy card as your admission card and present the card upon entering the special meeting. If you are planning to attend the special meeting and your shares are held in “street name” by a bank, brokerage firm or other nominee, you should ask the bank, brokerage firm or other nominee for a legal proxy or bring your most recent account statement to the special meeting so that we can verify your ownership of Company common stock. Please note, however, that if your shares are held in “street name” and you do not bring a legal proxy from the record owner, you will be able to attend the special meeting, but you will not be able to vote at the special meeting.

Stockholders of the Company who do not vote in favor of the proposal to adopt the merger agreement will have the right to seek appraisal of the fair value of their shares of Company common stock if they deliver a demand for appraisal before the vote is taken on the merger agreement and comply with all the requirements of Delaware law, which are summarized in the accompanying proxy statement and reproduced in their entirety inAnnex C to the accompanying proxy statement.

The accompanying proxy statement provides a detailed description of the merger and the merger agreement. We urge you to read the accompanying proxy statement, including any documents incorporated by reference, and the annexes carefully and in their entirety. If you have any questions concerning the merger or the proxy statement of which this notice forms a part, would like additional copies of the proxy statement or need help voting your shares of Company common stock, please contact the Company’s proxy solicitor:

The Proxy Advisory Group, LLC

18 East 41st Street, Suite 2000

New York, New York 10017

Toll-Free: (888) 337-7699

Stockholders who do not expect to attend the special meeting in person, but wish their stock to be voted on matters to be transacted at the special meeting, are urged to sign, date and mail the enclosed proxy in the accompanying envelope, to which no postage need be affixed if mailed in the United States. You also have the option of voting your shares by telephone or on the Internet. Voting instructions are printed on your proxy card. If you vote by telephone or Internet, you do not need to mail back your proxy. Voting promptly, regardless of the number of shares you hold, will aid the Company in reducing the expense of additional proxy solicitation. The giving of such proxy does not affect your right to vote in person in the event you attend the meeting.

By Order of the Board of Directors,

JEAN RANKIN

Executive Vice President, General Counsel and Secretary

San Jose, California

[                    ],March 10, 2014

TABLE OF CONTENTS

i

ii

QUESTIONS AND ANSWERS ABOUT THE SPECIAL MEETING AND THE MERGER

The following questions and answers are intended to address briefly some commonly asked questions regarding the special meeting and the merger. These questions and answers may not address all questions that may be important to you as a Company stockholder. Please refer to the “Summary” and the more detailed information contained elsewhere in this proxy statement, the annexes to this proxy statement and the documents referred to in this proxy statement, which you should read carefully and in their entirety. You may obtain the information incorporated by reference in this proxy statement without charge by following the instructions under “Where You Can Find More Information” beginning on page 109.111.

Shares held at a bank, brokerage firm or other nominee, or “street name” shares: If your shares of Company common stock are held on your behalf by a bank, brokerage firm or other nominee, although each bank, brokerage firm or other nominee establishes its own procedures, we believe that payment for those shares will be deposited in your account with such bank, brokerage firm or other nominee.

Shares held in direct registration form at our transfer agent, Computershare, or “book entry” shares: If you holdonly book entry shares at Computershare, the paying agent will mail you a check in the amount of the merger consideration for those shares.

Shares for which you have a stock certificate, or “certificated shares”: If you hold LSI stock certificates, the paying agent will mail you a letter of transmittal that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your certificated shares.

If you holdboth book entry shares at Computershare and certificated shares, the paying agent will mail you a letter of transmittal that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your certificated shares and for your book entry shares.

If you have a stock certificate for shares in a company acquired by LSI, or “unexchanged shares”: If you have a stock certificate from a company that was acquired by LSI and never exchanged that certificate for Company common stock and the shares represented by that certificate have not been delivered to a government authority under unclaimed property, escheat or similar laws, the paying agent will mail you a letter of transmittal that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your shares.

For a description of these interests, see “The Merger — Interests of Certain Persons in the Merger” beginning on page 58.61.

Q:	When do you expect the merger to be completed?

Also, under the merger agreement, Avago, Avago USA and Merger Sub are not required to complete the merger until any review or investigation by CFIUS of the merger has been concluded and either (i) the parties have received written notice that a determination by CFIUS has been made that there are no unresolved issues of national security in connection with the transactions contemplated by the merger agreement, or (ii) the President of the United States has determined not to use his powers to unwind, suspend or prohibit the consummation of the transactions contemplated by the merger agreement. On January 30, 2014, the Company, Avago, Avago USA and Merger Sub filed a joint voluntary notification with CFIUS.

any, between the amount of cash received (determined before deduction of any applicable withholding taxes) with respect to such shares and the stockholder’s adjusted tax basis in such shares. You should read “The Merger — Material U.S. Federal Income Tax Consequences of the Merger” for a more complete discussion of the U.S. federal income tax consequences of the merger to U.S. holders and certain non-U.S. holders. Because individual circumstances may differ, you should consult your tax advisor to determine the particular U.S. federal, state, local and/or foreign tax consequences of the merger to you.

shares of Company common stock are held through a bank, brokerage firm or other nominee and you do not instruct your bank, brokerage firm or other nominee on how to vote your shares of Company common stock, your shares of Company common stock will not be voted, but this will not have an effect on the proposal to adjourn the special meeting.

If your shares of Company common stock are held in “street name” through a bank, brokerage firm or other nominee, you are considered the “beneficial owner” of those shares of Company common stock. In that case, this proxy statement has been forwarded to you by your bank, brokerage firm or other nominee. As the beneficial owner, you have the right to direct your bank, brokerage firm or other nominee how to vote those shares of Company common stock by following their instructions for voting.

Q:	Who can vote at the special meeting?

If you are a stockholder of record, you may vote those shares with respect to which you are the stockholder of record at the special meeting in any of the following ways:

Please be aware that if you vote over the telephone or on the Internet, you may incur costs such as telephone and Internet access charges for which you will be responsible.

If you properly sign your proxy card but do not mark the boxes showing how your shares should be voted on a matter, the shares represented by your properly signed proxy will be voted “FOR” the proposal to adopt the merger agreement, “FOR” the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

Q:	What do I do if I receive more than one proxy or set of voting instructions?

These should each be voted and/or returned separately as described elsewhere in this proxy statement in order to ensure that all of your shares are voted.

Q:	Will a proxy solicitor be used?

If you have any questions or need assistance voting your shares, please contact our proxy solicitor at:

The Proxy Advisory Group, LLC

18 East 41st Street, 20th Floor

New York, New York 10017

Toll-Free: (888) 337-7699

CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING INFORMATION

This proxy statement, and the documents to which we refer you in this proxy statement, as well as information included in oral statements or other written statements made or to be made by us, contain statements that, in our opinion, may constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements may be typically identified by such words as “may,” “will,” “should,” “expect,” “anticipate,” “plan,” “likely,” “believe,” “estimate,” “project,” “intend,” and other similar expressions among others, which appear in a number of places in this proxy statement (and the documents to which we refer you in this proxy statement) and include, but are not limited to, all statements relating directly or indirectly to the timing or likelihood of completing the merger to which this proxy statement relates, plans for future growth and other business development activities as well as capital expenditures, financing sources and the effects of regulation and competition and all other statements regarding our intent, plans, beliefs or expectations or those of our directors or officers. These forward-looking statements reflect the current analysis of existing information and are subject to various risks and uncertainties. As a result, caution must be exercised in relying on forward-looking statements. Due to known and unknown risks, our actual results may differ materially from our expectations or projections.

The following factors, among others, could cause our actual results to differ materially from those described in these forward-looking statements:

The foregoing review of important factors that could cause actual events to differ from expectations should not be construed as exhaustive and should be read in conjunction with statements that are included herein and elsewhere, including the risk factors included in the Company’s and Avago’s respective most recent Annual Reports on Form 10-K and the Company’s and Avago’s more recent other reports filed with the SEC. The Company and Avago can give no assurance that the conditions to the merger will be satisfied. Except as required by applicable law, neither the Company nor Avago undertakes any obligation to revise or update any forward-looking statement, or to make any other forward-looking statements, whether as a result of new information, future events or otherwise.

PARTIES TO THE MERGER

The Company

LSI Corporation

1320 Ridder Park Drive

San Jose, California 95131

(408) 433-8000

The Company is a Delaware corporation with its headquarters in San Jose, California. The Company designs semiconductors and software that accelerate storage and networking in datacenters, mobile networks and client computing. The Company’s technology is the intelligence critical to enhanced application performance and is applied in solutions created in collaboration with our partners. For more information about the Company, please visit our website athttp://www.lsi.com. Our website address is provided as an inactive textual reference only. The information contained on our website is not incorporated into, and does not form a part of, this proxy statement or any other report or document we file with or furnish to the SEC. See also “Where You Can Find More Information,” beginning on page 109.111. Our common stock is publicly traded on the NASDAQ under the symbol “LSI.”

Avago

Avago Technologies Limited

1 Yishun Avenue 7

Singapore 768923

(65) 6755-7888

Avago is incorporated under the laws of the Republic of Singapore. Avago is a leading designer, developer and global supplier of a broad range of analog semiconductor devices with a focus on III-V based products. III-V semiconductor materials have higher electrical conductivity than silicon and thus tend to have better performance characteristics in radio frequency, or RF, and optoelectronic applications. III-V refers to elements from the 3rd and 5th groups in the periodic table of chemical elements, and examples of these materials are gallium arsenide, or GaAs, gallium nitride, or GaN, and indium phosphide, or InP. Avago differentiates itself through its high performance design and integration capabilities. Avago serves three primary target markets: wireless communications, wired infrastructure and industrial & other. Avago’s product portfolio is extensive and includes thousands of products. Applications for Avago’s products in these target markets include smartphones, data networking and telecommunications equipment, enterprise storage and servers, factory automation and industrial equipment.

Avago USA

Avago Technologies Wireless (U.S.A.) Manufacturing Inc.

350 West Trimble Road

San Jose, California 95131

(408) 435-7400

Avago USA is a Delaware corporation and an indirect wholly owned subsidiary of Avago. Avago USA is Avago’s principal operating unit in the United States.

Merger Sub

Leopold Merger Sub, Inc.

c/o Avago Technologies Wireless (U.S.A.) Manufacturing Inc.

350 West Trimble Road

San Jose, California 95131

(408) 435-7400

Leopold Merger Sub, Inc. or Merger Sub, is a Delaware corporation that was formed by Avago USA and its affiliates solely for the purpose of entering into the merger agreement and completing the transactions contemplated by the merger agreement and the related financing transactions. Merger Sub is a wholly owned subsidiary of Avago USA and has not engaged in any business except for activities incidental to its formation and as contemplated by the merger agreement and the related financing transactions. Upon the completion of the merger, Merger Sub will cease to exist and the Company will continue as the surviving corporation.

THE SPECIAL MEETING

Time, Place and Purpose of the Special Meeting

This proxy statement is being furnished to our stockholders as part of the solicitation of proxies by our board of directors for use at the special meeting to be held on [            ],April 9, 2014 at [            ],10:00 a.m., local time, at 1320 Ridder Park Drive, San Jose, California, or at any postponement or adjournment thereof. At the special meeting, holders of common stock of the Company, par value $0.01 per share, which we refer to as Company common stock, will be asked to approve the proposal to adopt the merger agreement, to approve the proposal to adjourn the special meeting, if necessary or appropriate, for the purpose of soliciting additional proxies if there are insufficient votes at the time of the special meeting to approve the proposal to adopt the merger agreement and to approve the proposal to approve, in an advisory (non-binding) vote, the compensation that may be payable to our named executive officers in connection with the merger, which we refer to as the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

Our stockholders must approve the proposal to adopt the merger agreement in order for the merger to occur. If our stockholders fail to approve the proposal to adopt the merger agreement, the merger will not occur. A copy of the merger agreement is attached asAnnex A to this proxy statement, and we encourage you to read it carefully in its entirety.

Recommendation of the Board of Directors

After careful consideration of various factors described in the section entitled “The Merger — Reasons for the Merger; Recommendation of the Board of Directors,” beginning on page 41,42, the board of directors of the Company, which we refer to as the board of directors, unanimously determined that the proposed merger was advisable, fair to, and in the best interests of, the stockholders of the Company, unanimously approved the merger agreement and transactions contemplated thereby, including the merger, directed that the merger agreement be submitted to our stockholders for adoption, and unanimously recommended that our stockholders vote in favor of the adoption of the merger agreement.

In considering the recommendation of our board of directors with respect to the proposal to adopt the merger agreement, you should be aware that our directors and executive officers have interests in the merger that are different from, or in addition to, yours. The board of directors was aware of and considered these interests, among other matters, in evaluating and negotiating the merger agreement and the merger, and in recommending that the merger agreement be adopted by the stockholders of the Company. See the section entitled “The Merger — Interests of Certain Persons in the Merger” beginning on page 58.61.

The board of directors unanimously recommends that you vote “FOR” the proposal to adopt the merger agreement, “FOR” the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

Record Date and Quorum

We have fixed the close of business on February 10, 2014 as the record date for the special meeting, and only holders of record of Company common stock on the record date are entitled to vote at the special meeting. You are entitled to receive notice of, and to vote at, the special meeting if you owned shares of Company common stock at the close of business on the record date. On the record

date, there were 557,562,047 shares of Company common stock outstanding and entitled to vote. Each share of Company common stock entitles its holder to one vote on all matters properly coming before the special meeting.

The holders of a majority of the voting power of the issued and outstanding shares of Company common stock entitled to vote thereat, present in person or represented by proxy, will constitute a quorum for the transaction of business at the special meeting. Shares of Company common stock for which a stockholder directs an “abstention” from voting, as well as “broker non-votes” (as described below), will be counted for purposes of establishing a quorum. A quorum is necessary to transact business at the special meeting. Once a share of Company common stock is represented at the special meeting, it will be counted for the purpose of determining a quorum at the special meeting and any adjournment of the special meeting. However, if a new record date is set for the adjourned special meeting, then a new quorum will have to be established. In the event that a quorum is not present at the special meeting, it is expected that the special meeting will be adjourned or postponed.

Attendance

If you are a stockholder of record, that is, you hold your shares in an account with our transfer agent, Computershare, or you have an LSI stock certificate, and received information about our special meeting in the mail, you will find an admission ticket in the materials sent to you. If you are a stockholder of record, received an e-mail describing how to view our proxy materials over the Internet and want to attend the meeting in person, write to us at LSI Corporation, 1110 American Parkway NE, Allentown, Pennsylvania 18109, Attn: Response Center, or call us at 1-800-372-2447 to obtain an admission ticket.

If your shares are held in “street name,” that is, you hold your shares in an account with a bank, brokerage firm or other nominee, and you plan to attend the meeting in person, you can obtain an admission ticket in advance by writing to us at LSI Corporation, 1110 American Parkway NE, Allentown, Pennsylvania 18109, Attn: Response Center, and including proof that you are a Company stockholder, such as a recent account statement.

Vote Required

Approval of the proposal to adopt the merger agreement requires the affirmative vote of the holders of a majority of the outstanding shares of Company common stock entitled to vote thereon. For the proposal to adopt the merger agreement, you may voteFOR,AGAINST orABSTAIN. Abstentions will not be counted as votes cast in favor of the proposal to adopt the merger agreement, but will count for the purpose of determining whether a quorum is present.If you fail to submit a proxy or to vote in person at the special meeting, or abstain, it will have the same effect as a vote “AGAINST” the proposal to adopt the merger agreement.

Assuming a quorum is present, approval of the proposal to adjourn the special meeting, if necessary or appropriate, for the purpose of soliciting additional proxies, requires the affirmative vote of holders of a majority of the issued and outstanding shares of Company common stock entitled to vote thereon, present and voting, in person or represented by proxy on the matter at the special meeting. For the proposal to adjourn the special meeting, if necessary or appropriate, you may voteFOR,AGAINST orABSTAIN. For purposes of this proposal, abstentions will be counted in tabulating the votes cast and will have the same effect as a vote “AGAINST” the proposal. Broker non-votes will not be counted in tabulating the votes cast, and will not have an effect on the proposal to adjourn the special meeting. If you fail to submit a proxy or vote in person at the special meeting, the shares of Company common stock not voted will not be counted in respect of, and will not have an effect on, the proposal to adjourn the special meeting.

Assuming a quorum is present, approval of the LSI Advisory (Non-Binding) Proposal on Specified Compensation requires the affirmative vote of holders of a majority of the issued and outstanding shares of Company common stock entitled to vote thereon, present and voting, in person or

represented by proxy on the matter at the special meeting. For the LSI Advisory (Non-Binding) Proposal on Specified Compensation, you may voteFOR,AGAINST orABSTAIN. For purposes of this proposal, abstentions will be counted in tabulating the votes cast and will have the same effect as a vote “AGAINST” the proposal. Broker non-votes will not be counted in tabulating the votes cast, and will not have an effect on the LSI Advisory (Non-Binding) Proposal on Specified Compensation. If you fail to submit a proxy or vote in person at the special meeting, the shares of Company common stock not voted will not be counted in respect of, and will not have an effect on, the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

If you are a stockholder of record, this proxy statement and proxy card have been sent directly to you by the Company. If your shares are held in “street name” in an account with a bank, brokerage firm or other nominee, this proxy statement has been forwarded to you by your bank, brokerage firm or other nominee. As the beneficial owner of Company common stock, you have the right to direct your bank, brokerage firm or other nominee how to vote your shares by following their instructions for voting.

Most stockholders can vote over the Internet or by telephone. You can also vote your shares by completing and returning the appropriate portion of the enclosed proxy card or, if you hold shares in “street name,” a voting instruction form. If Internet and telephone voting are available to you, you can find voting instructions in the materials sent to you. The Internet and telephone voting facilities will close at 11:59 p.m. Eastern time on [            ],April 8, 2014. Please be aware that if you vote over the Internet, you may incur costs such as telephone and Internet access charges for which you will be responsible.

You can revoke your proxy (including any Internet or telephone vote) at any time before it is exercised by timely delivery of a properly executed, later-dated proxy or by voting in person at the special meeting.

How you vote will in no way limit your right to vote at the meeting if you later decide to attend in person. However, if your shares are held in “street name,” you must obtain a legal proxy, executed in your favor, from your brokerage firm or other holder of record, to be able to vote at the meeting.

All shares entitled to vote and represented by your properly completed proxy received prior to the meeting and not revoked will be voted at the meeting in accordance with your instructions.

If you choose to vote by mailing the appropriate portion of the enclosed proxy card, your proxy card must be received before the special meeting begins.Please do not send in your stock certificates with your proxy card. After the merger is completed, if you are a record holder of certificated shares of Company common stock or of a stock certificate from a company that was acquired by LSI and never exchanged that certificate for Company common stock, a separate letter of transmittal and instructions for use in effecting the surrender of stock certificates will be mailed to you that will enable you to receive the per share merger consideration in exchange for your stock certificates.

If you vote by proxy, regardless of the method you choose to vote, the individuals named on the enclosed proxy card, and each of them, with full power of substitution, or your proxies, will vote your shares of Company common stock in the way that you indicate. When completing the Internet or telephone processes or the proxy card, you may specify whether your shares of Company common stock should be voted for or against or to abstain from voting on all, some or none of the specific items of business to come before the special meeting.

If you properly sign your proxy card but do not mark the boxes showing how your shares of Company common stock should be voted on a matter, the shares of Company common stock represented by your properly signed proxy will be voted “FOR” the proposal to adopt the merger agreement, “FOR” the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

If you have any questions or need assistance voting your shares, please call The Proxy Advisory Group, LLC, the Company’s proxy solicitor, toll-free at (888) 337-7699.

It is important that you vote your shares of Company common stock promptly. Whether or not you plan to attend the Special Meeting, please complete, date, sign and return, as promptly as possible, the enclosed proxy card in the accompanying prepaid reply envelope, or submit your proxy by telephone or the Internet. Stockholders who attend the Special Meeting may revoke their proxies by voting in person.

As of February 10, 2014, the record date, the directors and executive officers of the Company beneficially owned and were entitled to vote, in the aggregate, 2,233,021 shares of Company common stock, representing 0.4% of the outstanding shares of Company common stock on the record date. The directors and executive officers have informed the Company that they currently intend to vote all of their shares of Company common stock“FOR”the proposal to adopt the merger agreement, “FOR” the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

Proxies and Revocation

Any stockholder of record entitled to vote at the special meeting may submit a proxy by telephone, over the Internet, or by returning the appropriate portion of the enclosed proxy card in the accompanying prepaid reply envelope, or may vote in person by appearing at the special meeting. If your shares of Company common stock are held in “street name” through a bank, brokerage firm or other nominee, you should instruct your bank, brokerage firm or other nominee on how to vote your shares of Company common stock using the instructions provided by your bank, brokerage firm or other nominee. If you fail to submit a proxy or to vote in person at the special meeting, or do not provide your bank, brokerage firm or other nominee with voting instructions, as applicable, your shares of Company common stock will not be voted on the proposal to adopt the merger agreement, which will have the same effect as a vote “AGAINST” the proposal to adopt the merger agreement, but will not have an effect on approval of the proposal to adjourn the special meeting or the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

You have the right to revoke a proxy, whether delivered over the Internet, by telephone or by mail, at any time before it is exercised, by voting at a later date through any of the methods available to you or by attending the special meeting and voting in person. If your shares of Company common stock are held in “street name” by your bank, brokerage firm or other nominee, please follow the instructions you receive from your bank, brokerage firm or other nominee to change your vote.

Adjournments and Postponements

Although it is not currently expected, the special meeting may be adjourned or postponed, including for the purpose of soliciting additional proxies as described in this proxy statement under the heading “Authority to Adjourn the Special Meeting (Proposal No. 2),” if there are insufficient votes at the time of the special meeting to approve the proposal to adopt the merger agreement or if a quorum is not present at the special meeting. Other than an announcement to be made at the special meeting of the time, date and place of an adjourned meeting, an adjournment generally may be made without notice. Any adjournment or postponement of the special meeting for the purpose of soliciting additional proxies will allow the Company’s stockholders who have already sent in their proxies to revoke them at any time prior to their use at the special meeting that was adjourned or postponed.

Anticipated Date of Completion of the Merger

We are working toward completing the merger as soon as possible. Assuming timely satisfaction of necessary closing conditions, including regulatory approvals and the approval by our stockholders of the proposal to adopt the merger agreement, we anticipate that the merger will be completed in the first half of 2014.

Rights of Stockholders Who Seek Appraisal

Stockholders are entitled to appraisal rights under the DGCL in connection with the merger. This means that you are entitled to have the fair value of your shares of Company common stock determined by the Delaware Court of Chancery and to receive a payment based on that valuation. The ultimate amount you receive in an appraisal proceeding may be less than, equal to or more than the amount you would have received under the merger agreement.

To exercise your appraisal rights, you must submit a written demand for appraisal to the Company before the vote is taken on the merger agreement and you must not vote in favor of the proposal to adopt the merger agreement. Your failure to follow exactly the procedures specified under the DGCL may result in the loss of your appraisal rights. See “Appraisal Rights” beginning on page 105 and the text of the Delaware appraisal rights statute reproduced in its entirety asAnnex C to this proxy statement. If you hold your shares of Company common stock through a bank, brokerage firm or other nominee and you wish to exercise appraisal rights, you should consult with your bank, brokerage firm or other nominee to determine the appropriate procedures for the making of a demand for appraisal by your bank, brokerage firm or nominee. In view of the complexity of the DGCL, stockholders who may wish to pursue appraisal rights should consult their legal and financial advisors.

Solicitation of Proxies; Payment of Solicitation Expenses

We have engaged The Proxy Advisory Group, LLC, to assist in the solicitation of proxies and provide related advice and informational support for a services fee of $25,000, plus customary disbursements. The Company may also reimburse brokers, banks and other custodians, nominees and fiduciaries representing beneficial owners of shares of Company common stock for their expenses in forwarding soliciting materials to beneficial owners of Company common stock and in obtaining voting instructions from those owners. Directors, officers and employees of ours may also solicit proxies by telephone, by facsimile, by mail, on the Internet or in person. They will not be paid any additional amounts for soliciting proxies.

Householding

We use a practice approved by the Securities and Exchange Commission called “householding.” Under this practice, stockholders who have the same address and last name and do not participate in electronic delivery of proxy materials receive only one copy of our proxy materials at that address, unless one or more of those stockholders has notified us that they wish to receive individual copies. If you would like to receive a separate copy of this proxy statement, please call 1-800-579-1639, or write to us at LSI Corporation, 1110 American Parkway NE, Allentown, Pennsylvania 18109, Attn: Response Center.

If you share an address with another Company stockholder and would like to start or stop householding for your account, you can call 1-800-542-1061 or write to Householding Department, 51 Mercedes Way, Edgewood, New York 11717, including your name, the name of your brokerage firm or other holder of record, if any, and your account number(s). If you consent to householding, your election will remain in effect until you revoke it. If you revoke your consent, the Company will send you separate copies of documents mailed at least 30 days after receipt of your revocation.

Most stockholders can also elect to view future proxy statements and annual reports over the Internet by voting athttp://www.proxyvote.com or by visitinghttp://www.icsdelivery.com/lsi. If you choose to view future proxy statements and annual reports over the Internet, next year you will receive an e-mail with instructions on how to view those materials and vote. Your election will remain in effect until you revoke it.

Please be aware that if you choose to access those materials over the Internet, you may incur costs such as telephone and Internet access charges for which you will be responsible.

Allowing us to household annual meeting materials or electing to view them over the Internet will help us save on the cost of printing and distributing those materials and reduce the impact of our annual meeting on the environment.

Questions and Additional Information

If you have more questions about the merger or how to submit your proxy, or if you need additional copies of this proxy statement or the enclosed proxy card or voting instructions, please call The Proxy Advisory Group, LLC, the Company’s proxy solicitor, toll-free at (888) 337-7699.

THE MERGER

This discussion of the merger is qualified in its entirety by reference to the merger agreement, which is attached to this proxy statement asAnnex A. You should read the entire merger agreement carefully as it is the legal document that governs the merger.

General

The merger agreement provides that Merger Sub will merge with and into the Company. The Company will be the surviving corporation in the merger and will continue to do business following the merger as a wholly owned subsidiary of Avago USA. As a result of the merger, the Company will cease to be a publicly traded company. If the merger is completed, you will not own any shares of the capital stock of the surviving corporation.

In the merger, each outstanding share of Company common stock, except for shares of Company common stock held in the treasury of the Company immediately prior to the effective time of the merger, shares owned by Avago USA or Merger Sub, which will be cancelled and retired without any conversion, and shares owned by stockholders of the Company who have (i) not voted in favor of the merger, (ii) properly complied with the provisions of Section 262 of the DGCL as to appraisal rights and (iii) not effectively withdrawn or lost its rights to appraisal, which we refer to collectively as the excluded shares, will be converted into the right to receive $11.15 in cash, which amount we refer to as the per share merger consideration, without interest, less any required tax withholding.

Background of the Merger

At its meetings on May 8 and May 9, 2013, our board of directors reviewed the Company’s business, strategic direction, performance, risks, opportunities, long range plans and capitalization to consider actions that might increase stockholder value. At these meetings, the board also tasked our management with further analyzing the Company’s business and identifying desirable actions to increase stockholder value for the board of directors to consider.

On May 23, 2013, Mr. Kenneth Hao, a Managing Partner and Managing Director of Silver Lake Partners, which we refer to as Silver Lake, contacted our chief executive officer, Mr. Abhijit Talwalkar, to set up a meeting to catch up on industry trends and the Company’s business with the aim of seeing whether there were investment opportunities for Silver Lake with respect to the Company. The Company had no prior business relationship with Silver Lake. Mr. Talwalkar accepted the meeting request and, on June 19, 2013, met with Mr. Hao and Mark Margiotta, a representative of Silver Lake, and discussed the Company’s current business, our progress toward achieving the Company’s operating objectives and our industry in general. At the end of that meeting, Mr. Hao asked Mr. Talwalkar if he had any interaction with, or ideas for collaborating with, Avago, of which Mr. Hao is a member of the board of directors. Mr. Talwalkar responded that he had some conversations in the past with Mr. Hock Tan, the chief executive officer of Avago, regarding discrete aspects of the companies’ respective businesses, but that nothing had ever been pursued.

Avago subsequently advised us that following the meeting, Mr. Hao determined that the most feasible transaction with the Company would involve Avago and that Silver Lake’s role would potentially be to provide financing to Avago. Accordingly, Mr. Hao commenced discussions with Mr. Tan at Avago concerning a potential acquisition of the Company by Avago. On July 14, 2013, Mr. Hao contacted Mr. Talwalkar and stated that Silver Lake had discussed possible business collaboration ideas with Mr. Tan and asked if Mr. Talwalkar would be willing to meet with Mr. Hao and Mr. Tan in early August to further discuss potential collaboration opportunities. Because these were ordinary course meetings regarding potential business collaboration and Mr. Hao did not mention

a potential transaction to acquire the Company, Mr. Talwalkar did not require prior board authorization to engage with Mr. Hao and did not inform the board of his discussions with Mr. Hao until Avago and Silver Lake subsequently expressed interest in acquiring the Company.

At meetings of our board of directors on August 8 and August 9, 2013, and in furtherance of the board’s directive from the May board meetings to identify desirable actions to increase stockholder

value, at the board’s invitation, representatives of Qatalyst Partners LP, which we refer to as Qatalyst Partners, discussed with members of the Company’s management and the board the Company’s strategic positioning, future prospects and management’s go-forward strategic plan and possible alternatives thereto. Our board invited Qatalyst Partners because of its qualifications, expertise, reputation and knowledge of our business and affairs and the industry in which the Company operates, and because representatives of Qatalyst Partners had previously discussed the Company’s strategic positioning, future prospects and strategic plans with our board in connection with our board’s prior reviews of the Company’s business, strategic direction, performance, risks, opportunities, long range plans and capitalization in prior years. The board and members of our management team also discussed and reviewed the Company’s decision tree for strategic transactions, analyzed several potential strategic options for the Company and discussed the potential impact of several strategic alternatives.

On August 12, 2013, Mr. Talwalkar met with Mr. Tan and Mr. Hao. At the meeting, Mr. Tan and Mr. Hao informed Mr. Talwalkar of Avago’s interest in a potential strategic transaction involving a sale of the Company to Avago with Silver Lake acting as a potential source of financing for such a transaction. On this date, our common stock closed at a per share price of $7.68. After this meeting, Mr. Talwalkar informed the chairman of our board of directors, Mr. Gregorio Reyes, of Avago’s interest in potentially acquiring the Company. Mr. Reyes, in turn, organized a full board meeting to be held on August 20, 2013.

On August 20, 2013, our board of directors held a meeting. At the meeting, Mr. Talwalkar described to our board his August 12, 2013 meeting with Messrs. Tan and Hao and Avago’s interest in potentially acquiring the Company with Silver Lake acting as a potential source of financing for such a transaction. Representatives of Qatalyst Partners discussed with the board of directors potential strategic options for the Company and information about Avago. Our board of directors discussed the Company’s strategic alternatives, including potential approaches and process management with respect to a potential sale of the Company, and authorized our management to engage outside counsel to represent the Company in connection with the review of strategic alternatives, including a potential sale of the Company. The board also asked Mr. Talwalkar and Qatalyst Partners to continue discussions with Avago to assess the seriousness of its interest in acquiring the Company.

On September 9, 2013, Skadden, Arps, Slate, Meagher & Flom LLP, which we refer to as Skadden Arps, was engaged as outside counsel to the Company.

On September 10, 2013, Mr. Talwalkar met with Mr. Tan. At the meeting, Mr. Tan discussed Avago’s strategic rationale for an acquisition of the Company, informed Mr. Talwalkar that Avago’s board of directors supported a potential acquisition of the Company. Mr. Tan also informed Mr. Talwalkar of Avago’s preliminary analysis of a potential acquisition of the Company, which supported a willingness by Avago to pay between $10.00 and $11.00 in cash per share of Company common stock. On September 11, 2013, Mr. Talwalkar sent our board a summary of his discussions with Mr. Tan.

On September 12, 2013, Mr. Tan contacted Mr. Talwalkar to request a meeting with our management to discuss the Company’s business and the potential acquisition of the Company by Avago.

On September 17, 2013, our board of directors held a meeting. Mr. Talwalkar summarized his discussions with Mr. Tan and described Avago’s preliminary analysis of a potential acquisition of the

Company. Following a discussion of Mr. Tan’s communications with Mr. Talwalkar, the board of directors, with the assistance of representatives of Qatalyst Partners, discussed and identified severalten other parties it believed could be interested in potentially acquiring the Company. These identified parties did not include any private equity firms because, during the course of this discussion, the board concluded that the Company’s stand-alone cash flow and earnings were unlikely to support the level of debt financing that

would be necessary to consummate a transaction in the per share range indicated by Avago’s preliminary analysis. TheAlso, based on Mr. Talwalkar’s report on his discussions with Mr. Hao, the board believed that given the level of cash flow expected from the Company, the price that a private equity firm would be willing to pay for the Company would not be higher than the range proposed by Mr. Tan on September 10. Following our board’s review of the ten identified parties, which focused on whether each party had the resources and ability to acquire a company of LSI’s size and had businesses or assets complementary to the Company’s business, the board authorized Qatalyst Partners and Mr. Talwalkar to contact four strategic parties: Party A, Party B, Party C and Party D. The parties identified and subsequently contacted consisted of persons in the high-performance storage and semiconductor industries with the financial resources to engage in a potential strategic transaction and businesses complementary to the business of the Company. Our general counsel next reviewed the fiduciary duties of the members of the board of directors when the board is considering the sale of the Company. Because Mr. Reyes, our chairman, is a member of a conflictthe board of interest with respect todirectors of Party C, it was determined that Mr. Reyes our chairman, would recuse himself from the strategic process should Party C express an interest in acquiring the Company. After further discussion, the board determined that none of its other members, including Mr. Talwalkar, had any conflict of interest with respect to Avago’s proposed acquisition. Because Mr. Reyes had agreed to recuse himself in the event that Party C expressed an interest in acquiring the Company, the board did not identify a need to form a special committee of independent directors to evaluate the proposed transaction. After the meeting concluded, Mr. Talwalkar contacted representatives of Party A, Party B and Party C to determine their interest in potentially acquiring the Company.

On September 18, 2013, Party B contacted Mr. Talwalkar to inform him that it was interested in participating in the Company’s strategic process. Also on September 18, 2013, Mr. Tan contacted Mr. Talwalkar to inform him that Avago was interested in arranging a meeting between Avago and our management to discuss the Company’s business.

On September 19, 2013, Party A and Party C separately contacted Mr. Talwalkar to inform him that each was interested in participating in the Company’s strategic process. Representatives of Qatalyst Partners separately contacted Party A, Party B and Party C to discuss the Company’s strategic process. In addition, representatives of Qatalyst Partners contacted representatives of Party D about its interest in the strategic process. Party D notified Qatalyst Partners that it was not interested in acquiring the Company and declined to proceed with the strategic process. Our management and board of directors were promptly informed of Party D’s decision.

On September 21, 2013, the nominating and corporate governance committee of the board of directors, which we refer to as the governance committee, held a meeting. Mr. Reyes did not attend the meeting. At the meeting, the governance committee discussed Mr. Reyes’ participation in the board’s evaluation of strategic alternatives in light of Party C’s expressed interest in acquiring the Company and Mr. Reyes’ conflict of interest with respect to Party C. Because Mr. Reyes had recused himself from all discussions related to the Company’s strategic process, it was agreed that Mr. John H.F. Miner would serve as the primary liaison to facilitate communication between the board of directors and our management. The governance committee selected Mr. Miner because of his skill-set and qualifications, including his interest in taking on such a role, his availability to do so and his accessibility to both members of our board of directors and our management.

On September 25, 2013, the Company formally executed a letter agreement with Qatalyst Partners to engage Qatalyst Partners as its financial advisor in connection with the strategic process. The

Company selected Qatalyst Partners because of Qatalyst Partners’ qualifications, expertise, reputation and knowledge of our business and affairs and the industry in which the Company operates. Prior to this date, the Company discussed the terms and scope of Qatalyst Partners’ engagement and negotiated the terms of Qatalyst Partners’ engagement letter. The board subsequently approved Qatalyst Partners’ engagement at its next meeting.

Between September 26, 2013 and October 3, 2013, the Companyas a condition to receiving confidential due diligence information, we entered into confidentiality agreements with Party A, Party B, Party C, Avago and Silver Lake. Each of the confidentiality agreements contained customary standstill provisions, but provided that the standstill provisions expired whenupon the Company enteredCompany’s entry into a mergerdefinitive acquisition agreement with another party. The Company also consented to Avago and Silver Lake’s request to collaborate on a proposal to acquire the Company on the condition that Avago not restrict Silver Lake from otherwise proceeding with a potential transaction to acquire the Company on its own or in collaboration with any other potentially interested party. Except for standstill provisions in confidentiality agreements executed by Avago and Silver Lake, the standstill provisions in the confidentiality agreements executed by the other potential bidders terminated upon the Company’s entry into the merger agreement with Avago.

Between September 26, 2013 and October 8, 2013, members of our management held meetings with and delivered presentations containing information about the Company to representatives of each of Party A, Party B, Party C, and Avago and Silver Lake.

On September 30, 2013, our board of directors held a meeting. Mr. Reyes recused himself and did not attend the meeting. Mr. Talwalkar informed the remaining members of the board of directors of the Company’s engagement of Qatalyst Partners as directed by the board, reviewed the presentations that the Company had delivered to representatives of Party A, Party B, Party C, and Avago and reviewed the timelines for further meetings with these parties.

On October 4, 2013, Party C notified Qatalyst Partners that it was no longer interested in pursuing a transaction to acquire the Company and that it was withdrawing from the strategic process. Party C stated that it was withdrawing from the Company’s strategic process because it had determined that a transaction to acquire the whole Company was not strategically compatible with Party C’s businesses. Our management and board of directors were promptly informed of Party C’s decision.

On October 7, 2013, the governance committee met to discuss Mr. Reyes’ recusal given Party C’s withdrawal from the strategic process. After discussing the advantages of having Mr. Reyes participate in the process and the certainty of Party C’s withdrawal, the governance committee recommended that the board of directors allow Mr. Reyes to participate in the strategic process in his capacity as chairman of the board of directors.

On October 8, 2013, Party C contacted our general counsel and confirmed that it was no longer interested in pursuing a strategic transaction to acquire the Company, as previously communicated to a representative of Qatalyst Partners. Later that day, our board of directors held a meeting. Mr. Reyes was not present at the beginning of the meeting. The board of directors reviewed the governance committee’s recommendation with respect to Mr. Reyes’ participation in the board’s evaluation of strategic alternatives in his capacity as chairman of our board of directors and agreed that, given Party C’s confirmation of its withdrawal from the strategic process, Mr. Reyes should again participate in the board’s evaluation of strategic alternatives in his capacity as chairman of our board of directors. Mr. Reyes then joined the meeting. Representatives of Qatalyst Partners updated the board of directors on the strategic process to date and summarized the status of discussions with Party A, Party B, Party C and Avago, confirming Party C’s withdrawal from the process.

Between October 8, 2013 and October 25, 2013, representatives of the Company held in person and telephonic due diligence meetings with representatives of Party A, Party B and Avago.

On October 14, 2013 and October 21, 2013, our board of directors held meetings at which the board discussed the status of the Company’s strategic process with representatives of our management and Qatalyst Partners, including with respect to the due diligence meetings being held with Party A, Party B and Avago and Silver Lake. Qatalyst Partners informed the board of directors that Avago intended to submit an indication of interest to acquire the Company after holding necessary internal meetings to authorize such a proposal.

On October 23, 2013, Mr. Tan and Mr. Talwalkar met to discuss the strategic rationale for combining the two companies, including various potential cost synergies. No potential transaction pricing was discussed at this meeting. Later that day, the Company issued a news release regarding its financial results for the fiscal quarter ended September 29, 2013 and the declaration of a $0.03 per share quarterly cash dividend.

On October 24, 2013, at the Company’s direction, Qatalyst Partners sent process letters to Party A and Party B requesting that each party interested in continuing in the strategic process submit a nonbinding indication of interest containing the per share acquisition price, a description of acquisition timing and required approvals, and identifying due diligence requirements with respect to its proposal to acquire the Company.

On October 25, 2013, Party B notified representatives of Qatalyst Partners that it was no longer interested in pursuing a strategic transaction to acquire the Company. Party B stated that it was not

interested in acquiring the Company because it did not view the Company’s Hard Disk Drive business as strategically compatible with Party B’s businesses and had concerns about its ability to consummate a transaction to acquire the Company in a timely fashion. Representatives of Qatalyst Partners promptly notified members of our management of this decision. Our board of directors was promptly notified of Party B’s withdrawal from the process.

On October 28, 2013, our board of directors held a meeting. At the meeting, representatives of Qatalyst Partners provided an update on the status of the Company’s strategic process, including Party B’s withdrawal from the strategic process.

On October 30, 2013, the Company received a non-binding indication of interest from Avago to acquire the Company for $10.25 per share in cash. The proposal identified key assumptions with respect to the potential acquisition, including proposed financing and requested due diligence. The proposal stated that it was valid until November 15, 2013 and did not contain a request for exclusivity. Mr. Talwalkar promptly delivered a summary of the terms of Avago’s indication of interest to our board of directors. On this date, our common stock closed at a per share price of $8.47.

On November 4, 2013, Party A notified representatives of Qatalyst Partners that it was no longer interested in pursuing a strategic transaction to acquire the Company. Party A stated that it was not interested in acquiring the Company because it did not view the Company’s Hard Disk Drive business as strategically compatible with Party A’s businesses and that Party A’s internal valuation of the Company did not support an acquisition price that would be at a premium to the current trading price of the Company’s common stock. Representatives of Qatalyst Partners promptly notified members of our management of this decision. Our board of directors was promptly notified of Party A’s withdrawal from the process.

On November 5, 2013, our board of directors held a meeting. At the meeting, a representative of Skadden Arps led the board of directors in a discussion of the directors’ fiduciary duties in connection with consideration of a potential sale of the Company. Representatives of Qatalyst Partners updated the

board on the Company’s strategic process, summarizing the proposal received from Avago and informing the board that each of Party A, Party B, Party C and Party D had declined to make an offer to acquire the Company. Representatives of Qatalyst Partners discussed with the board both management’s go-forward plan and preliminary financial analyses with respect to a potential sale of the Company to Avago and the risks identified by our management with management’s go-forward plan. The board of directors authorized Qatalyst Partners to suggest to Avago that Qatalyst Partners believed our board of directors would likely consider a transaction price between $12.00 and $12.50 per share of Company common stock. On this date, our common stock closed at a per share price of $8.26.

Between November 5 and November 14, 2013, representatives of Qatalyst Partners, Mr. Talwalkar and representatives of Avago held meetings to discuss Avago’s proposal, negotiate a per share purchase price and discuss the general terms of Avago’s potential acquisition of the Company. As a condition of proceeding with the proposed transaction, Avago sought to enter into an exclusivity agreement with the Company.

On November 12, 2013, our board of directors held a meeting. At the meeting, representatives of Qatalyst Partners informed the board of directors that Avago had rejected the proposed $12.00 and $12.50 per share price range because such a price range was not supported by Avago’s internal valuation of the Company, but might consider a transaction at $11.00 per share of Company common stock. After a discussion, consensus emerged to continue negotiations with Avago regarding the transaction price in an effort to obtain a higher price and ensure that any proposal from Avago included committed financing.

On November 12 and November 13, 2013, representatives of Qatalyst Partners, Mr. Talwalkar, Mr. Tan and Mr. Thomas Krause, the vice president of corporate development of Avago, continued to

negotiate the transaction price and other terms of the potential transaction. At the conclusion of these negotiations, Mr. Krause presented Avago’s “best and final” offer to acquire the Company at a price of $11.15 per share of Company common stock. After this offer was presented, Mr. Talwalkar contacted Mr. Tan in an effort to increase Avago’s offer price by an additional $0.10 per share. Mr. Tan refused to increase the offered price and confirmed that Avago’s best and final offer was still $11.15 per share.

On November 13, 2013, our general counsel provided our board with a summary of the discussions between representatives of Qatalyst Partners, Mr. Talwalkar, Mr. Tan and Mr. Krause and of Avago’s “best and final” offer of $11.15 per share.share, which Mr. Krause stated was the highest price that Avago’s internal valuation of the Company could support.

On November 14, 2013, Mr. Talwalkar and representatives of Qatalyst Partners contacted Mr. Tan and Mr. Krause to discuss the parameters of the proposed transaction, including the proposed price of $11.15 per share, proposed timing, deal certainty and their common interest in preserving and maintaining employee stability. At the conclusion of this discussion, Mr. Talwalkar indicated that he would be supportive of working to conclude due diligence and continuing to negotiate the specific terms of the proposed transaction.

On November 15, 2013, representatives of the Company, Qatalyst Partners and Skadden Arps attended a meeting at the offices of Latham & Watkins LLP, counsel to Avago, which we refer to as Latham & Watkins. Representatives of Avago and its proposed financing sources, including Silver Lake, were also present. At the meeting, the parties and their advisors discussed the timing for negotiating a definitive agreement and Avago identified outstanding due diligence matters that it needed to complete before entering into a definitive agreement.

On November 18, 2013, our board of directors held a meeting. At the meeting, representatives of Qatalyst Partners summarized discussions and negotiations with Avago, which had concluded with

Avago making a “best and final” offer to acquire the Company at a price of $11.15 per share and Mr. Talwalkar’s unsuccessful effort to convince Avago to increase its offer price by $0.10 per share. The board next considered Avago’s request for exclusivity and determined that because the strategic process to date had not resulted in any other proposals for the sale of the Company and because Avago would not expend the significant resources necessary to complete due diligence and negotiate a definitive agreement absent exclusivity, the board of directors would authorize the Company to enter into an exclusivity agreement providing for a short period of exclusivity that would remain effective only so long as Avago’s per share offer price remained at or above $11.15. On this date, our common stock closed at a per share price of $8.18.

On November 19, 2013, the Company and Avago entered into an agreement providing for exclusivity for a period ending on the earlier of the date on which Avago informed the Company that it was no longer interested in acquiring the Company, December 20, 2013, and the date, if any, on which Avago reduced the proposed purchase price below $11.15 per share of Company common stock.

On November 25 and November 26, 2013, representatives of the Company and Avago held in person due diligence meetings to discuss the Company’s businesses, operations and financial outlook.

On November 26, 2013, our board of directors held a meeting. At the meeting, Mr. Talwalkar and representatives of Qatalyst Partners updated the board on the Company’s recent discussions with Avago and its representatives on the expected timing to complete negotiation of the definitive agreement and related documentation and the timing for approval of the merger agreement and the transaction. A representative of Skadden Arps reviewed other key terms of the transaction, including timing, required regulatory approvals, communications with Company employees and certain financial matters.

On November 27, 2013, Latham & Watkins delivered an initial draft of a proposed merger agreement to Skadden Arps. The proposed merger agreement was promptly forwarded to our board of directors and management. Between that date and December 15, 2013, Latham & Watkins and

Skadden Arps, as well as representatives of Avago and representatives of the Company and Qatalyst Partners, had numerous discussions to negotiate the terms of the merger agreement.

On December 2, 2013, our board of directors held a meeting to review the terms of Avago’s proposed merger agreement. Representatives of Skadden Arps, Qatalyst Partners and our management summarized the key terms of the merger agreement and described Avago’s proposed financing structure for the transaction. Our board of directors emphasized the need for assurances that the transaction would close, particularly with respect to Avago’s obligations to obtain financing for the transaction, the need to maintain stability among the Company’s employees and incentivize employees to remain with the Company both between signing and closing and after consummation of the merger and the need to ensure that the proposed merger agreement did not unduly restrict the board’s ability to take actions necessary to comply with its fiduciary duties during the period following entry into the merger agreement. Our board also highlighted the importance of having appropriate termination rights and remedies available to the Company under the merger agreement in the event of a financing failure.

On December 3, 2013, Skadden Arps delivered a revised draft of the proposed merger agreement to Latham & Watkins (other than the representations and warranties). This draft of the proposed merger agreement was promptly forwarded to our board of directors.

On December 6, 2013, Skadden Arps delivered a further revised draft of the proposed merger agreement to Latham & Watkins that included proposed revisions to the representations and warranties. This draft of the proposed merger agreement was promptly forwarded to our board of directors.

On December 9, 2013, our board of directors held a meeting to discuss the status of negotiations with Avago. Members of our management updated the board on the status of Avago’s due diligence

and representatives of Skadden Arps reviewed the material terms of the latest draft of the proposed merger agreement. Our board of directors discussed the importance of assuring the transaction would close, particularly with respect to financing, employee stability and of maintaining the Company’s ability to operate in the ordinary course of business between signing and closing. Mr. Talwalkar discussed the financial terms of the proposed transaction with Avago and provided an update on the Company’s projected fourth quarter and 2014 financial results, which he provided to Avago later that day.

Later on December 9, 2013, Latham & Watkins delivered a further revised draft of the proposed merger agreement to Skadden Arps. On December 10, 2013, this draft of the merger agreement was forwarded to our board of directors.

Between December 11 and December 12, 2013, members of the management of each of the Company and Avago and their legal counsel and financial advisors held meetings to negotiate the proposed merger agreement. Key issues discussed included each party’s termination rights and fees, the efforts Avago would need to exert to obtain financing for the merger, the operation of the Company between signing and closing and proposed revisions to certain of the Company’s change in control and termination policies requested by Avago.

On December 12, 2013, members of our management updated our board of directors on the discussions with Avago. Also on December 12, 2013, Avago’s financing sources delivered a draft debt commitment letter and redacted draft fee letter to Qatalyst Partners, which were promptly forwarded to our management and Skadden Arps. Between December 12 and December 15, 2013, representatives of Skadden Arps, Latham & Watkins and Simpson Thacher & Bartlett LLP, which we refer to as Simpson Thacher, counsel to Avago’s financing sources, including Silver Lake, negotiated the terms of the debt commitment letter.

After trading hours concluded on December 13, 2013, Mr. Talwalkar and Mr. Tan together placed calls to the chief executive officers of two significant customers of the Company to permit Mr. Tan to assess the Company’s relationship with these customers. The chief executive officers of both customers were instructed to keep the existence and content of these discussions in strict confidence.

Between December 13 and December 15, 2013, Skadden Arps and Latham & Watkins exchanged drafts of the proposed merger agreement and together with representatives of the Company and Avago, negotiated the remaining open issues in the proposed merger agreement. The principal remaining issues were related to deal certainty and the Company’s remedies in the event of a financing failure. These drafts of the merger agreement were promptly forwarded to our board of directors and management.

On December 14, 2013, Avago delivered a draft of the note purchase agreement it intended to enter into with Silver Lake as part of the financing of the merger, described in “The Merger — Financing of the Merger” beginning on page 54.57. Between December 14 and December 15, 2013, representatives of Skadden Arps, Latham & Watkins and Simpson Thacher negotiated the terms of the note purchase agreement.

On December 15, 2013, our board of directors held a meeting. Representatives of Skadden Arps provided a summary of the terms of the merger agreement, a draft of which had been provided to the board in advance of the meeting. Representatives of Skadden Arps and Qatalyst Partners also discussed with the board remaining open issues in the merger agreement, highlighting the termination rights and remedies available to the Company under the merger agreement in the event of a financing failure. Following extensive discussion, the board of directors directed management and its advisors to include in the merger agreement language providing for uncapped damages in the event of an intentional breach of the merger agreement by Avago. Members of our management next summarized and submitted for the

board’s approval the amended and restated Company change in control and termination policies required by Avago. Representatives of Qatalyst Partners then presented Qatalyst Partners’ financial analyses of the consideration to be received by the holders of shares of Company common stock pursuant to the merger agreement to the Company’s board of directors and orally rendered its opinion, which was confirmed by delivery of a written opinion dated December 15, 2013, to the effect that, as of December 15, 2013, and based on and subject to the considerations, limitations and other matters set forth therein, the consideration to be received by the holders of shares of Company common stock, other than Avago USA and any affiliates of Avago USA, pursuant to the merger agreement was fair from a financial point of view to such holders. After further discussion, the board of directors, having determined that the terms of the merger agreement and the transactions contemplated thereby on the terms discussed by the board of directors at the meeting, including the merger, were fair to and in the best interests of the stockholders of the Company, unanimously approved and declared advisable the merger agreement and the transactions contemplated thereby, including the merger, directed that the merger agreement as approved by the board be submitted to our stockholders for adoption, and recommended that our stockholders vote in favor of the adoption of the merger agreement.

Following the meeting, Skadden Arps and Latham & Watkins agreed on a final form of the merger agreement, which was subsequently approved by our board of directors following Avago’s confirmation that the merger agreement was final. Thereafter, the Company, Avago, Avago USA and Merger Sub executed and delivered the merger agreement on December 15, 2013. Avago also delivered executed copies of the debt commitment letter and redacted fee letter, as well as an executed copy of the note purchase agreement entered into with Silver Lake. Avago and the Company issued a joint press release announcing the execution of the merger agreement before the open of trading in Avago and the Company’s common stock on December 16, 2013. Upon execution of the merger agreement, all standstill provisions in the confidentiality agreements entered into with Party A, Party B and Party C

terminated automatically in accordance with their terms. From the date of the original indication of interest on October 30, 2013 through the signing of the merger agreement, the Company’s common stock closed at prices ranging from $7.90 to $8.48 per share. On December 13, 2013, the last trading day before the announcement of the transaction, our common stock closed at a per share price of $7.91.

In the merger agreement, we agreed not to terminate, waive, amend or modify any provision of, or grant permission under, any standstill or confidentiality agreement to which we or any of our subsidiaries is a party, and we agreed to enforce the provisions of each such confidentiality agreement. However, upon execution of the merger agreement, the only standstill provisions that remain in effect from the Company’s strategic process are the standstill provisions in the confidentiality agreements entered into with Avago and its financing source, Silver Lake. Upon our entry into the merger agreement, Party A, Party B, and Party C were and remain free to present a superior proposal in accordance with the terms of the merger agreement. Party D, which did not enter into a confidentiality agreement with the Company, was and remains free to present a superior proposal in accordance with the terms of the merger agreement.

In the merger agreement, which sets forth the circumstances in which we can provide information to and engage in dialogue with any party that provides abona fide written acquisition proposal (as defined in the merger agreement) that is or may lead to a superior proposal, we agreed that we may not, and shall not allow any of our subsidiaries or our subsidiaries’ representatives to, furnish any information to any such third party making the acquisition proposal without first entering into a confidentiality agreement containing customary limitations on the use and disclosure of all non-public written and oral information furnished to such third party by or on our or our subsidiaries’ behalf and containing standstill provisions no less favorable to us than the standstill provisions contained in the confidentiality agreement we entered into with Avago, and promptly providing to Avago USA any

such information provided to such third party. However, the standstill provision in the confidentiality agreement entered into with Avago contains an exception permitting acquisition proposals made at the invitation of our board of directors. In the event that we receive a proposal or expression of interest from a third party in compliance with the merger agreement and our board of directors determines, among other things, that such proposal or expression of interest constitutes, or is reasonably likely to result in, a superior proposal, our board would extend a written invitation to such bidder to present such acquisition proposal, which invitation would permit such third party to amend its proposal with a new superior proposal in the event that such third party’s prior proposal is matched or exceeded by Avago in the exercise of Avago’s matching rights provided for in the merger agreement. The standstill provision in the confidentiality agreement that such third party would enter into with the Company would not restrict such third party from proceeding with its proposal, requesting and receiving non-public information about us and our subsidiaries, engaging in discussions with us with respect to the proposal and, if our board determines that the proposal constitutes a superior proposal and provided that we comply with our non-solicitation obligations under the merger agreement, entering into a definitive agreement with us with respect to the proposal. Accordingly, notwithstanding any reference in the merger agreement to the execution of confidentiality agreements containing standstill provisions no less favorable to us than the standstill provisions contained in the confidentiality agreement we entered into with Avago, potential bidders will be able to present us with a potentially superior proposal and will be able to obtain confidential due diligence material and present improved bids regardless of the standstill provision in the confidentiality agreement that such third party would enter into with the Company.

On December 30, 2013, each of the Company and Avago USA filed a notification and report form with the FTC and the DOJ under the HSR Act, and each requested early termination of the waiting period. The waiting period under the HSR Act expired on February 28, 2014. Also on December 30, 2013, each of the Company and Avago USA submitted initial notifications about the merger to the antitrust authorities of the People’s Republic of China, the Russian Federation and the Federal Republic of Germany. On January 17, 2014, the Bundeskartellamt (Federal Cartel Office) of the Federal Republic of Germany approved the merger. On January 29, 2014, the Federal Antimonopoly Service of the Russian Federation approved the merger.

On January 30, 2014, the Company, Avago, Avago USA and Merger Sub filed a joint voluntary notification with CFIUS.

Reasons for the Merger; Recommendation of the Board of Directors

At a meeting held on December 15, 2013 and pursuant to an action by written consent delivered on such date, our board of directors unanimously determined that the proposed merger was advisable, fair to, and in the best interests of, the stockholders of the Company, unanimously approved the merger agreement and the transactions contemplated thereby, including the merger, directed that the merger agreement be submitted to our stockholders for adoption, and unanimously recommended that our stockholders vote in favor of the adoption of the merger agreement.

In evaluating the merger agreement, the merger and the other transactions contemplated by the merger agreement, our board of directors consulted with our senior management team, as well as our outside legal and financial advisors, and considered a number of factors, among others, including the following material factors (not in any relative order of importance):

execution of the merger agreement, including the fact that the merger consideration of $11.15 per share represents an approximate premium of:

financing condition and Avago’s representations, warranties and covenants related to obtaining financing for the transaction, which were substantial assurances that the merger ultimately should be consummated on a timely basis;

due diligence, made an offer in cash at a value greater than the $11.15 per share merger consideration;

The board of directors also considered a variety of potentially negative factors in its deliberations concerning the merger agreement and the merger, including the following (not in any relative order of importance):

after consulting with its legal and financial advisors, would not preclude competing offers following the announcement of the transaction;

After considering the foregoing potentially positive and potentially negative factors, our board of directors concluded that the potentially positive factors relating to the merger agreement and the merger outweighed the potentially negative factors.

The foregoing discussion of the information and factors considered by our board of directors is not intended to be exhaustive, but includes the material factors considered by our board of directors. In view of the variety of factors considered in connection with its evaluation of the merger, our board of directors did not find it practicable to, and did not, quantify or otherwise assign relative weights to the specific factors considered in reaching its determination and recommendation. In addition, individual directors may have given different weights to different factors. The board of directors did not undertake to make any specific determination as to whether any factor, or any particular aspect of any

factor, supported or did not support its ultimate determination. The board of directors based its recommendation on the totality of the information presented.

In considering the recommendation of our board of directors with respect to the proposal to adopt the merger agreement, you should be aware that our directors and executive officers have interests in the merger that are different from, or in addition to, yours. The board of directors was aware of and considered these interests, among other matters, in evaluating and negotiating the merger agreement and the merger, and in recommending that the merger agreement be adopted by the stockholders of the Company. See the section entitled “The Merger—Interests of Certain Persons in the Merger” beginning on page 58.61.

The board of directors unanimously recommends that you vote “FOR” the proposal to adopt the merger agreement, “FOR” the proposal to adjourn the special meeting, if necessary or appropriate, to solicit additional proxies and “FOR” the LSI Advisory (Non-Binding) Proposal on Specified Compensation.

Opinion of Qatalyst Partners LP

We retained Qatalyst Partners to act as financial advisor to our board of directors in connection with a potential transaction such as the merger and to evaluate whether the consideration to be received by the holders of Company common stock, other than Avago USA or any affiliates of Avago USA, pursuant to the merger agreement was fair, from a financial point of view, to such holders. We selected Qatalyst Partners to act as our financial advisor based on Qatalyst Partners’ qualifications, expertise, reputation and knowledge of the business and affairs of the Company and the industry in which the Company operates. Qatalyst Partners has provided its written consent to the reproduction of the Qatalyst Partners’ opinion in this proxy statement. At the meeting of our board of directors on December 15, 2013, Qatalyst Partners rendered its oral opinion, that, as of such date and based upon and subject to the considerations, limitations and other matters set forth therein, the $11.15 per share cash consideration to be received by the holders of Company common stock, other than Avago USA or any affiliates of Avago USA, pursuant to the merger agreement was fair, from a financial point of view, to such holders. Qatalyst Partners delivered its written opinion, dated December 15, 2013, to our board of directors following the board meeting.

The full text of Qatalyst Partners’ written opinion, dated December 15, 2013 to our board of directors is attached hereto asAnnex B and is incorporated by reference herein. The opinion sets forth, among other things, the assumptions made, procedures followed, matters considered and limitations and qualifications of the review undertaken by Qatalyst Partners in rendering its opinion. You should read the opinion carefully in its entirety. Qatalyst Partners’ opinion was provided to our board of directors and addresses only, as of the date of the opinion, the fairness from a financial point of view, of the $11.15 per share cash consideration to be received by the holders of Company common stock, other than Avago USA or any affiliates of Avago USA, pursuant to the merger agreement, and it does not address any other aspect of the merger. It does not constitute a recommendation as to how any stockholder should vote with respect to the merger or any other matter and does not in any manner address the price at which the Company common stock will trade at any time. The summary of Qatalyst Partners’ opinion set forth herein is qualified in its entirety by reference to the full text of the opinion.

In arriving at its opinion, Qatalyst Partners reviewed the merger agreement, certain related documents and certain publicly available financial statements and other business and financial information of the Company. Qatalyst Partners also reviewed certain forward-looking information prepared by our management, including financial projections and operating data of the Company and sensitivities thereto based on a range of alternative operating metrics, which we refer to as the “Management Projections” described below in the section entitled “The Merger — Certain Company Forecasts,” beginning on page 52.54. The sensitivities were developed by the Company in order to assess

the potential financial impact of the significant business, economic and competitive uncertainties and contingencies inherent in the Management Projections described below in the section entitled “The Merger — Certain Company Forecasts,” beginning on page 54. The sensitivities included various combinations of potential financial outcomes in our major lines of business, including businesses providing products for hard disk drive, flash storage, networking and server storage connectivity applications. Additionally, Qatalyst Partners discussed the past and current operations and financial condition and the prospects of the Company with our senior executives. Qatalyst Partners also reviewed the historical market prices and trading activity for the Company common stock and compared our financial performance and the prices and trading activity of the Company common stock with that of certain other selected publicly traded companies and their securities. In addition, Qatalyst Partners reviewed the financial terms, to the extent publicly available, of selected acquisition transactions and performed such other analyses, reviewed such other information and considered such other factors as Qatalyst Partners deemed appropriate.

In arriving at its opinion, Qatalyst Partners assumed and relied upon, without independent verification, the accuracy and completeness of the information that was publicly available or supplied or otherwise made available to, or discussed with, Qatalyst Partners by the Company. With respect to the Management Projections, Qatalyst Partners was advised by our management, and Qatalyst Partners assumed, that the Management Projections had been reasonably prepared on bases reflecting the best currently available estimates and judgments of our management of our future financial performance

and other matters covered thereby. Qatalyst Partners assumed that the merger will be consummated in accordance with the terms set forth in the merger agreement, without any modification or delay. In addition, Qatalyst Partners assumed, that in connection with the receipt of all the necessary approvals of the proposed merger, no delays, limitations, conditions or restrictions will be imposed that could have an adverse effect on us or the contemplated benefits expected to be derived in the proposed merger. Qatalyst Partners did not make any independent evaluation or appraisal of the assets or liabilities (contingent or otherwise) of the Company, nor was Qatalyst Partners furnished with any such evaluation or appraisal. In addition, Qatalyst Partners relied, without independent verification, upon the assessment of our management as to our existing and future technology and products and the risks associated with such technology and products. Qatalyst Partners’ opinion has been approved by Qatalyst Partners’ opinion committee in accordance with its customary practice.

Qatalyst Partners’ opinion is necessarily based on financial, economic, market and other conditions as in effect on, and the information made available to it as of, the date of the opinion. Events occurring after the date of the opinion may affect Qatalyst Partners’ opinion and the assumptions used in preparing it, and Qatalyst Partners has not assumed any obligation to update, revise or reaffirm its opinion. Qatalyst Partners’ opinion does not address the underlying business decision of the Company to engage in the merger, or the relative merits of the merger as compared to any strategic alternatives that may be available to us. Qatalyst Partners’ opinion is limited to the fairness, from a financial point of view, of the $11.15 per share cash consideration to be received by the holders of the Company common stock, other than Avago USA or any Affiliate of Avago USA, pursuant to the merger agreement, and Qatalyst Partners expressed no opinion with respect to the fairness of the amount or nature of the compensation to any of our officers, directors or employees, or any class of such persons, relative to such consideration.

The following is a brief summary of the material analyses performed by Qatalyst Partners in connection with its opinion dated December 15, 2013. The analyses and factors described below must be considered as a whole; considering any portion of such analyses or factors, without considering all analyses and factors, could create a misleading or incomplete view of the process underlying Qatalyst Partners’ opinion. For purposes of its analyses, Qatalyst Partners utilized both the consensus of third-party research analysts’ projections, which we refer to as the “Analyst Projections”, and the Management Projections. Some of the summaries of the financial analyses include information

presented in tabular format. The tables are not intended to stand alone, and in order to more fully understand the financial analyses used by Qatalyst Partners, the tables must be read together with the full text of each summary. Considering the data set forth below without considering the full narrative description of the financial analyses, including the methodologies and assumptions underlying the analyses, could create a misleading or incomplete view of Qatalyst Partners’ financial analyses.

Illustrative Discounted Cash Flow Analysis

Qatalyst Partners performed an illustrative discounted cash flow, which we refer to as the DCF analysis, which is designed to imply a potential, present value of share values for the Company common stock as of December 31, 2013 by:

(assuming (assuming an effective tax rate of 12%, which tax rate excludes the effect of the Company’s estimated, remaining tax attributes, as such tax attributes were separately valued as set forth in item (c) below) in calendar year 2019, based on the Management Projections, by a range of multiples of enterprise value to next-twelve-months estimated non-GAAP net operating profit after taxes of 10.0x to 14.0x and discounted to present value using the same range of discount rates used in item (a) above;

Based on the calculations set forth above, this analysis implied a range of values for the Company common stock of approximately $9.88 to $13.96 per share.

Qatalyst Partners conducted a further DCF analysis to illustrate the sensitivity to changes in revenue and gross profit margin identified by our management based on a variety of risk factors to certain of our business units and on potential savings to calendar year 2019 operating expenses, in each case relative to the Management Projections. These sensitivities adjusted the Management Projections

as follows: (a) revenue by using a calendar year 2013 to 2019 compound annual growth rate, which we refer to as CAGR, range of 5.3% to 7.7%, as compared to a 9.3% CAGR in the Management Projections, (b) gross profit margin for calendar year 2019 by using a range of 53.3% to 53.7%, as compared to 55.2% in the Management Projections, and (c) operating expenses for 2019 by using a range of potential spending reductions from zero to $200,000,000 as compared to the Management Projections. This analysis also employed a multiple of next-twelve-months (calendar year 2019) non-GAAP net operating profit after taxes (assuming an effective tax rate of 12%, which tax rate excludes the effect of the Company’s estimated, remaining tax attributes, as such tax attributes were separately valued in the analysis) of 12.0x for purposes of calculating terminal values, a discount rate of 13.0%, based on an estimated weighted average cost of capital, and a dilution factor of 12.0% to reflect the dilution to current stockholders over the projection period due to the effect of equity compensation grants projected by our management. These calculations resulted in a range of implied present values for the Company common stock of approximately $6.11 to $10.51 per share.

Selected Companies Analysis

Qatalyst Partners compared selected financial information and public market multiples for the Company with publicly available information and public market multiples for selected companies. The companies used in this comparison included those companies listed below, which were selected from publicly traded companies in our industry by Qatalyst Partners based on its professional judgment.

Based upon research analyst consensus estimates for calendar year 2014, and using the closing prices as of December 13, 2013 for shares of the selected companies, Qatalyst Partners calculated, among other things, the implied fully diluted enterprise value divided by the estimated consensus revenue for calendar year 2014, which we refer to as the CY2014E Revenue Multiples, for each of the selected companies. The low, high, median and medianmean CY2014E Revenue Multiples among the selected companies analyzed were 1.3x, 4.9x, 2.9x and 2.9x, respectively. The implied fully diluted enterprise value divided by the estimated consensus revenue for calendar year 2014 for the Company was 1.8x based on the Analyst Projections.

Based on an analysis of the CY2014E Revenue Multiples for the selected companies, Qatalyst Partners selected a representative range of 1.5x to 2.5x and applied this range to our estimated calendar year 2014 revenue based on each of the Updated Selected 2014 Financial Information and the Analyst Projections. Based on the Company’s fully-diluted shares (assuming treasury stock method), including common stock, service-based RSUs, performance-based RSUs and options outstanding as provided by our management for the period ended December 1, 2013, this analysis implied a range of values for the Company common stock of approximately $7.01 to $11.28 per share based on the Updated Selected 2014 Financial Information and approximately $6.61 to $10.64 per share based on the Analyst Projections.

Based upon research analyst consensus estimates for calendar year 2014 and using the closing prices as of December 13, 2013 for shares of the selected companies, Qatalyst Partners calculated,

among other things, the implied price to earnings per share multiples for calendar year 2014, which we refer to as the CY2014E P/E Multiples, for each of the selected companies. The low, high, median and medianmean CY2014E P/E Multiple among the selected companies analyzed were 11.2x, 25.1x, 14.8x and 14.8x,16.5x, respectively, and the implied price to earnings per share multiple for calendar year 2014 for the Company was 11.5x based on the Analyst Projections.

Based on an analysis of CY2014E P/E Multiples for the selected companies, Qatalyst Partners selected a representative range of 11.0x to 15.0x for the CY2014E P/E Multiples and applied this range to our calendar year 2014 expected earnings per share based on each of the Updated Selected 2014 Financial Information, and the Analyst Projections. This analysis implied a range of values for the Company common stock of approximately $9.00 to $12.28 per share based on the Updated Selected 2014 Financial Information, and approximately $7.59 to $10.35 per share based on the Analyst Projections.

No company included in the selected companies analysis is identical to the Company. In evaluating the selected companies, Qatalyst Partners made judgments and assumptions with regard to industry performance, general business, economic, market and financial conditions and other matters.

Many of these matters are beyond the control of the Company, such as the impact of competition on our business and the industry in general, industry growth and the absence of any material adverse change in our financial condition and prospects of or the industry or in the financial markets in general. Mathematical analysis, such as determining the arithmetic mean, median, or the high or low, is not in itself a meaningful method of using selected company data.

Selected Transactions Analysis

Qatalyst Partners compared 23 selected transactions announced between January 2001 and August 2013 involving companies in the semiconductor industry selected by Qatalyst Partners based on its professional judgment. These transactions are listed below:

For each of the transactions listed above, Qatalyst Partners reviewed, among other things, the implied fully diluted enterprise value of the target company as a multiple of the next-twelve-months revenue of the target company, as reflected in Wall Street analyst research, certain publicly available financial statements and press releases. Based on the analysis of such metrics for the transactions noted above, Qatalyst Partners selected a representative range of 2.0x to 3.0x applied to our next-twelve-months (ending September 30, 2014) estimated revenue reflected in the Analyst Projections. Based on the calculations set forth above and the Company’s fully-diluted shares (assuming treasury stock

method), including common stock, service-based RSUs, performance-based RSUs and options outstanding as provided by our management for the period ended December December��1, 2013, this analysis implied a range of values for the Company common stock of approximately $8.48 to $12.39 per share.

For each of the selected transactions, Qatalyst Partners also reviewed, among other things, the price paid for the target company as a multiple of the next-twelve-months earnings of the target company reflected in Wall Street analyst research, certain publicly available financial statements and press releases. Based on the analysis of such metrics for the transactions noted above, Qatalyst Partners selected a representative range of 20.0x to 26.0x applied to our next-twelve-months (ending September 30, 2014) estimated earnings per share reflected in the Analyst Projections. Based on the calculations set forth above, this analysis implied a range of values for the Company common stock of approximately $13.04 to $16.95 per share.

No company or transaction utilized in the selected transactions analysis is identical to the Company or the merger. In evaluating the selected transactions, Qatalyst Partners made judgments and assumptions with regard to general business, market and financial conditions and other matters, many of which are beyond our control, such as the impact of competition on our business or the industry generally, industry growth and the absence of any material adverse change in our financial condition or the industry or in the financial markets in general, which could affect the public trading value of the companies and the aggregate value of the transactions to which they are being compared. Because of the unique circumstances of each of these transactions and the merger, Qatalyst Partners cautioned against placing undue reliance on this information.

Miscellaneous

In connection with the review of the merger by our board of directors, Qatalyst Partners performed a variety of financial and comparative analyses for purposes of rendering its opinion. The preparation of a financial opinion is a complex process and is not necessarily amenable to a partial analysis or summary description. In arriving at its opinion, Qatalyst Partners considered the results of all of its analyses as a whole and did not attribute any particular weight to any analysis or factor it considered. Qatalyst Partners believes that selecting any portion of its analyses, without considering all analyses as a whole, could create a misleading or incomplete view of the process underlying its analyses and opinion. In addition, Qatalyst Partners may have given various analyses and factors more or less weight than other analyses and factors, and may have deemed various assumptions more or less probable than other assumptions. As a result, the ranges of valuations resulting from any particular analysis described above should not be taken to be Qatalyst Partners’ view of the actual value of the Company. In performing its analyses, Qatalyst Partners made numerous assumptions with respect to industry performance, general business, economic, market and financial conditions and other matters, many of which are beyond our control. Any estimates contained in Qatalyst Partners’ analyses are not necessarily indicative of future results or actual values, which may be significantly more or less favorable than those suggested by such estimates.

Qatalyst Partners conducted the analyses described above solely as part of its analysis of the fairness, from a financial point of view, of the $11.15 per share cash consideration to be received by the holders of the Company common stock, other than Avago USA or any affiliates of Avago USA, pursuant to the merger agreement, and in connection with the delivery of its opinion to our board of directors. These analyses do not purport to be appraisals or to reflect the price at which the Company common stock might actually trade.

Qatalyst Partners’ opinion and its presentation to our board of directors was one of many factors considered by our board of directors in deciding to approve the merger agreement. Consequently, the analyses as described above should not be viewed as determinative of the opinion of our board of directors with respect to the consideration to be received by our stockholders pursuant to the merger or

of whether our board of directors would have been willing to agree to a different consideration. The consideration was determined through arm’s-length negotiations between the Company and Avago and was approved by our board of directors. Qatalyst Partners provided advice to us during these

negotiations. Qatalyst Partners did not, however, recommend any specific consideration to us or that any specific consideration constituted the only appropriate consideration for the merger.

Qatalyst Partners provides investment banking and other services to a wide range of corporations and individuals, domestically and offshore, from which conflicting interests or duties may arise. In the ordinary course of these activities, affiliates of Qatalyst Partners may at any time hold long or short positions, and may trade or otherwise effect transactions in debt or equity securities or loans of the Company, Avago or certain of their respective affiliates. During the two year period prior to the date of Qatalyst Partners’ opinion, no material relationship existed between Qatalyst Partners or any of its affiliates and the Company or Avago pursuant to which compensation was received by Qatalyst Partners or its affiliates. However, Qatalyst Partners and/or its affiliates may in the future provide investment banking and other financial services to the Company and Avago or any of their respective affiliates for which it would expect to receive compensation.

Under the terms of its engagement letter, Qatalyst Partners provided the Company with financial advisory services in connection with the proposed merger for which it will be paid approximately $36 million, $5.25 million of which was payable upon delivery of its opinion, and the remaining portion of which will be paid upon, and subject to, consummation of the merger. The Company has also agreed to reimburse Qatalyst Partners for its expenses incurred in performing its services. The Company has also agreed to indemnify Qatalyst Partners and its affiliates, their respective members, directors, officers, partners, agents and employees and any person controlling Qatalyst Partners or any of its affiliates against certain liabilities, including liabilities under the federal securities law, and expenses related to or arising out of Qatalyst Partners’ engagement.

Certain Company Forecasts

The Company does not generally publish its business plans and strategies or make external disclosures of its anticipated financial position or results of operations other than for providing, from time to time, estimated ranges of certain expected financial results and operational metrics for the current quarter in its regular earnings press releases and other investor materials.

In connection with the Company’s annual strategic planning process, our management prepares financial projections that include a forecast for the current year and projections for the three subsequent years. The first year of the projection period is periodically refined and updated to take into account the Company’s actual financial results during the final fiscal quarters of the current year, as well as changes in the outlook for our businesses and the economic environment, before being finalized as the Company’s financial plan for that period. These financial projections are not intended for public disclosure. In connection with the evaluation of the Company’s strategic alternatives, in October of 2013, our management provided such non-public financial projections covering CY2014 – CY2016, summarized below under the heading “Management Projections”, to interested parties that entered into confidentiality agreements with us, including to Avago and Silver Lake. Our management also provided such non-public financial projections covering CY2014 – CY2019, summarized below under the heading “Management Projections”, to Qatalyst Partners in connection with Qatalyst Partners’ preparation of Qatalyst Partners’ opinion as to the fairness, from a financial point of view, of the consideration to be received by the holders of the Company common stock, other than Avago USA and any affiliates of Avago USA, pursuant to the merger agreement, described further in “The Merger — Opinion of Qatalyst Partners LP” beginning on page 46.47. Pursuant to the Company’s normal process of refining its financial projections throughout the year, the projections for our 2014 revenue and non-GAAP earnings per share originally

included in the Management Projections were updated by our management in December of 2013 to reflect our updated view of our 2014 revenue and non-GAAP earnings per share based on our estimated results for the fourth quarter of fiscal 2013 and our most recent view at that time of the outlook for our

various businesses over the coming year. Our updated 2014 revenue projections and non-GAAP earnings per share were provided to Avago, Silver Lake and Qatalyst Partners and are summarized below under the heading “Updated Selected 2014 Financial Information”.

The internal financial analyses and projections for the Company were prepared by our management on the basis and for the limited and specific context described below. The projections were provided by management with a view to showing potential bidders the potential performance of the Company on the basis of certain assumptions contained therein and were provided to Qatalyst Partners for use in its financial analyses with respect to Qatalyst Partners’ opinion.

These financial projections and forecasts were not prepared with a view toward public disclosure or compliance with published guidelines of the SEC or the American Institute of Certified Public Accountants for preparation and presentation of prospective financial information, the International Financial Reporting Standards, which we refer to as IFRS, or U.S. GAAP and do not, and were not intended to, act as public guidance regarding the Company’s future financial performance. The inclusion of this information in this proxy statement should not be regarded as an indication that the Company or any recipient of this information considered, now considers or will consider this information to be necessarily predictive of future results. The Company does not intend to update or otherwise revise the financial projections to correct any errors existing in such projections when made, to reflect circumstances existing after the date when made or to reflect the occurrence of future events even in the event that any or all of the assumptions underlying the financial projections are shown to be in error.

Although presented with numerical specificity, the financial projections and forecasts included in this proxy statement are based on numerous estimates, assumptions and judgments (in addition to those described below) that may not be realized and are inherently subject to significant business, economic and competitive uncertainties and contingencies related to various factors, including growth rates of the end markets in which we participate, timely completion of our product development schedules, the competitiveness of our current or future products relative to those of our competitors, the production plans and product transition schedules of our customers, and the acceptance in the marketplace of our customers’ products that incorporate our products and the other factors listed in this proxy statement under the section entitled “Cautionary Note Regarding Forward-Looking Statements” beginning on page 24. These or other factors may cause the financial projections or the underlying assumptions and estimates to be inaccurate. Since the financial projections cover multiple years, such information by its nature becomes less reliable with each successive year. The financial projections also do not take into account any circumstances or events occurring after the date they were prepared. The inclusion of the financial projections and forecasts in this proxy statement shall not be deemed an admission or representation by the Company that such information is material.The inclusion of the projections should not be regarded as an indication that the Company considered or now considers them to be a reliable prediction of future results and you should not rely on them as such. Accordingly, there can be no assurance that the financial projections will be realized, and actual results may vary materially from those reflected in the projections. You should read the section entitled “Cautionary Note Regarding Forward-Looking Statements” beginning on page 24 for additional information regarding the risks inherent in forward-looking information such as the financial projections.

Our revenue projections reflect our views of the growth potential of our various lines of business, and incorporate the business, economic and competitive uncertainties and contingencies. With these various factors in mind, we developed the revenue projections for each of our major lines of business. We anticipate that each of our major product-related businesses will grow over the forecast period. We anticipate that our intellectual property licensing business will be flat to slightly declining over the forecast period.

With respect to our storage products, we expect that the revenue from products we supply for hard disk drive applications and server storage connectivity will grow in aggregate at a rate approximately commensurate with the estimated nominal growth rate of the U.S. economy over the forecast period. We expect that the revenue in our flash storage applications, including PCIe flash adapters and flash storage processors, will grow at a much faster rate than our hard disk drive and server storage connectivity products, given the strong and growing demand for flash-based storage. Our projections assume that revenue from our products for flash storage applications in aggregate will more than quadruple between 2013 and 2019 based upon the demand trends in that area of our business.

With respect to our networking products, we expect that our revenues from products including custom networking applications, communication processors, network processors, and various other networking products in aggregate will more than double between 2013 and 2019. This forecast reflects revenues expected to be generated from product design wins previously awarded to us by our customers and expectations of favorable demand trends over the forecast period for products that our products are incorporated into, such as wireless network access systems, enterprise networking and data center networking equipment.

Certain of the financial projections set forth herein may be considered non-U.S. GAAP financial measures. Non-U.S. GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information presented in compliance with U.S. GAAP, and non-U.S. GAAP

financial measures as used by the Company may not be comparable to similarly titled amounts used by other companies.

The below dollar amounts are in millions of U.S. dollars, rounded to the nearest one million dollars.

Management Projections

The following is a summary of the prospective net operating profit after tax and unlevered free cash flow of the Company for calendar years 2014 through 2019, which are derived from the prospective financial information summarized in the table above:

Updated Selected 2014 Financial Information

Financing of the Merger

We anticipate that the total funds needed to complete the merger, including the funds needed to:

will be funded through a combination of:

Avago Technologies Finance Pte. Ltd., a company incorporated under the Singapore Companies Act, and an indirect wholly owned subsidiary of Avago, which we refer to as Avago Finance, has obtained the debt commitment letter described below and Avago has entered into the note purchase agreement described below, which we refer to collectively with certain other related documents as the financing documents. The funding under the financing documents is subject to certain conditions, including conditions that do not relate directly to the merger agreement. We believe the amounts committed under the financing documents will be sufficient to complete the merger, but we cannot assure you of that. Those amounts might be insufficient if, among other things, one or more of the parties to the financing documents fails to fund the committed amounts in breach of such financing documents or if the conditions to such commitments are not met. Although obtaining the proceeds of any financing, including the financing under the financing documents, is not a condition to the completion of the merger, the failure of Avago Finance or Avago to obtain any portion of the committed financing (or alternative financing) is likely to result in the failure of the merger to be completed. In that case, Avago USA may be obligated to pay the Company a reverse termination fee, which we refer to as the Avago termination fee, of $400 million as described under “The Merger Agreement — Termination Fees” beginning on page 92.94.

Debt Financing

In connection with entering into the merger agreement, Avago Finance received a commitment letter from Deutsche Bank Securities Inc., which we refer to as Deutsche Bank, Deutsche Bank AG

New York Branch, which we refer to as Deutsche Bank NY, Barclays Bank PLC, which we refer to as Barclays, Citigroup Global Markets Inc., which we refer to, collectively with its affiliates, as Citi, Merrill Lynch, Pierce, Fenner & Smith Incorporated, which we refer to as Merrill Lynch, and Bank of America, N.A., which we refer to as BofA, pursuant to which, among other things, each of Deutsche Bank, Deutsche Bank NY, Barclays, Merrill Lynch, and BofA (together with any other lending entity and/or arranger that becomes party to the commitment letter, which we refer to as the commitment parties in this proxy statement) have severally agreed to provide debt financing to Avago Finance for purposes of consummating the merger. We refer to this commitment letter, as it may be amended in accordance with the merger agreement, as the debt commitment letter. The financing contemplated under the debt commitment letter is referred to as the debt financing.

Pursuant to the debt commitment letter, the initial commitment parties have committed on a several and not joint basis to provide, in the aggregate, 100% of the following debt facilities:

The commitment parties may invite other banks, financial institutions and institutional lenders to participate in the debt financing. Deutsche Bank NY will act as administrative agent and collateral agent

for the debt financing. The debt commitment letter expires on the earliest of (i) the consummation of the merger with or without the debt financing, (ii) prior to the consummation of the merger, the termination of the merger agreement in a signed writing in accordance with its terms and (iii) September 23, 2014. The commitments of the initial lenders to provide the debt financing are subject to the satisfaction of a number of customary conditions, including but not limited to the following:

Convertible Notes

Avago has entered into a note purchase agreement, which we refer to as the purchase agreement, to sell to Silver Lake Partners IV, L.P., which we refer to as Silver Lake, $1 billion aggregate principal amount of Avago’s 2.0% Convertible Senior Notes due 2021, which we refer to as the notes.

The completion of the private placement of the notes is contingent on satisfaction or waiver of customary conditions, as well as a requirement that the merger has been consummated or will be consummated substantially simultaneously with the closing under the purchase agreement of the issuance of the notes, and Avago having received, or that substantially simultaneously with the closing under the purchase agreement Avago will receive, the proceeds of the debt financing in an amount sufficient (together with the proceeds of the notes) to consummate the merger contemplated by the merger agreement and the refinancing of Avago’s existing credit agreement. The purchase agreement provides that the private placement to Silver Lake will be completed either simultaneously with the

closing of the merger or on such date as is mutually agreed upon in writing by Avago and Silver Lake. The purchase agreement may be terminated at any time before consummation of the private placement of the notes by mutual consent of Avago and Silver Lake, or by either Avago or Silver Lake if (a) the consummation of the private placement of the notes shall not have occurred on or prior to September 23, 2014 or (b) the merger agreement is terminated for any reason.

The notes will be issued under an indenture between Avago and a trustee and will bear interest at a rate of 2.0% per annum, payable semiannually in cash. The notes will mature on the 1st or 15th day of the month following the later of three months past the Term Loan B maturity date contemplated by the debt commitment letters (as defined in the purchase agreement) or seven years from the date of issuance of the notes, subject to earlier conversion, redemption or repurchase. The initial conversion rate for the notes is 20.8160 shares of Avago’s ordinary shares, no par value, which we refer to as the Avago shares, and cash in lieu of any fractional Avago shares, per $1,000 principal amount of notes, which is equivalent to an initial conversion price of approximately $48.04 per Avago share. The conversion rate will be subject to adjustment from time to time upon the occurrence of certain events. Holders may surrender their notes for conversion at any time prior to the close of business on the business day immediately preceding the maturity date for the notes.

The notes will be Avago’s general, unsecured obligations and are effectively subordinated to all of Avago’s existing and future secured debt, to the extent of the assets securing such debt and are structurally subordinated to all liabilities of Avago’s subsidiaries, including trade payables. The indenture does not limit the amount of indebtedness that Avago or any of its subsidiaries may incur.

Subject to the terms and conditions of the indenture, upon the occurrence of a “fundamental change,” as defined in the indenture, each holder of the notes will have the right to require Avago to repurchase some or all of such holder’s notes at a purchase price payable in cash equal to 100% of the principal amount to be so repurchased, plus accrued and unpaid interest, if any.

At any time following the fifth anniversary of the date of issuance of the notes, Avago may elect to redeem the notes if the closing sale price of the Avago shares for 20 or more trading days in the period of 30 consecutive trading days ending on the trading day immediately prior to the date on which Avago provides notice of such redemption exceeds 150% of the applicable conversion price in effect

on each such trading day. The redemption price will be payable in cash and will equal the sum of 100% of the principal amount of the notes being redeemed, plus accrued and unpaid interest, if any. Avago may also redeem all or part of the notes for certain tax reasons as provided in the indenture.

The indenture will include customary “events of default,” which may result in the acceleration of the maturity of the notes under the indenture. The indenture will also include customary covenants for convertible notes.

Avago and Silver Lake will also enter into a registration rights agreement pursuant to which Silver Lake will have certain registration rights with respect to the notes and the Avago shares issuable upon conversion of the notes.

The foregoing description of the indenture, purchase agreement and registration rights agreement does not purport to be complete and is qualified in its entirety by reference to the full text of each such document, which were filed with the SEC on December 16, 2013 with an amendment to Avago’s Current Report on Form 8-K.

Closing and Effective Time of Merger

Unless the parties otherwise agree in writing, the closing of the merger will take place no later than the third business day following the date on which the last of the conditions to closing of the

merger (described under “The Merger Agreement — Conditions to the Merger” beginning on page 89)91) has been satisfied or waived (other than those conditions that by their terms are not capable of being satisfied or waived until the closing of the merger, but subject to the satisfaction or waiver of such conditions), or at such other date and time as Avago USA and the Company have otherwise agreed in writing, provided that if the marketing period (as described under “The Merger Agreement — Closing and Effective Time of the Merger; Marketing Period” beginning on page 70)72) has not ended at the time of the satisfaction or waiver of all of the conditions to closing of the merger (other than those conditions that by their terms are not capable of being satisfied until the closing of the merger), the closing shall not occur until the earlier to occur of (a) a date during the marketing period specified by Avago USA on three business days written notice to the Company and (b) the first business day following the final day of the marketing period, subject in each case to the satisfaction or waiver of all of the conditions to closing on such date.

Payment of Merger Consideration and Surrender of Stock Certificates

If your shares of Company common stock are held on your behalf by a bank, brokerage firm or other nominee, although each bank, brokerage firm or other nominee establishes its own procedures, we believe that payment for those shares will be deposited in your account with such bank, brokerage firm or other nominee promptly after consummation of the merger. If you holdonly book entry shares at Computershare, we believe that the paying agent will mail you a check in the amount of the merger consideration for those shares approximately one week after consummation of merger. If you hold LSI stock certificates or if you hold a stock certificate from a company that was acquired by LSI and never exchanged that certificate for Company common stock and the shares represented by that certificate have not been delivered to a government authority under unclaimed property, escheat or similar laws, the paying agent will mail you a letter of transmittal within five business days of the consummation of the merger, that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your certificated shares and for your book entry shares, if any.

You should not return your stock certificates with the enclosed proxy card, and you should not forward your stock certificates to the paying agent without a letter of transmittal.

If you hold LSI stock certificates or if you hold a stock certificate from a company that was acquired by LSI and never exchanged that certificate for Company common stock, you will not be entitled to receive the per share merger consideration until you deliver a duly completed and executedletter of transmittal to the paying agent. You must also surrender your stock certificate or certificates to the paying agent.If you have lost a stock certificate, or if it has been stolen or destroyed, then to receive your per share merger consideration with respect to the shares of Company common stock represented by that stock certificate, you will have to make an affidavit of the loss, theft or destruction of that stock certificate and, if required by Avago USA, post a bond as indemnity against any claim that may later be made with respect to such stock certificate. If ownership of your shares is not registered in the transfer records of the Company, a check for any cash to be delivered will only be issued if the applicable letter of transmittal is accompanied by all documents reasonably required by the Company to evidence and effect such transfer and to evidence that any applicable stock transfer taxes have been paid or are not applicable.

Interests of Certain Persons in the Merger

When considering the recommendation of our board of directors that you vote to approve the proposal to adopt the merger agreement, you should be aware that our directors and executive officers have interests in the merger that are different from, or in addition to, those of our stockholders generally.

The board of directors was aware of and considered these interests, among other matters, in evaluating and negotiating the merger agreement and the merger, and in recommending that the merger agreement be adopted by the stockholders of the Company. In the discussion below, we have quantified payments and benefits on a pre-tax basis to our executive officers and to our non-employee directors. For the purposes of all of the agreements and plans described below, the completion of the transactions contemplated by the merger agreement will constitute a change in control and a sale of the Company.

Treatment of Outstanding Equity Awards

Pursuant to the Company’s equity incentive plans and programs, certain Company equity awards held by its executive officers and directors that are outstanding immediately prior to the closing of the Merger will be subject to accelerated vesting or assumption by Avago at the effective time of the merger, as described in more detail in the section entitled “The Merger Agreement — Treatment of Company Common Stock, Options, Restricted Stock and Restricted Stock Units” on page 7173 of this proxy statement.

The following table shows as of February 19, 2014, for each person who has been an executive officer since January 1, 2013, (i) the number of shares subject to vested options held by him or her, (ii) the cash consideration that he or she will receive for such vested options upon completion of the merger, (iii) the number of shares subject to unvested options held by him or her to be assumed by Avago, (iv) the value of the unvested options held by him or her to be assumed by Avago, (v) the number of shares subject to restricted stock units held by him or her to be assumed by Avago, (vi) the value of the restricted stock units held by him or her to be assumed by Avago upon the completion of the merger, (vii) the payment he or she will receive for all vested equity awards, and (viii) the total value of assumed equity awards, in each case, calculated assuming the merger is consummated on February 19, 2014. The values in the table below are based on the per share merger consideration of $11.15 and assume that each executive officer will be a continuing employee. The actual values of the

assumed Company options and restricted stock units are to be based on the Exchange Ratio, which cannot be determined until the closing date of the merger.

The following table shows as of February 19, 2014, for each person who has been a director since January 1, 2013, (i) the number of shares subject to vested options held by him or her, (ii) the cash consideration that he or she will receive for such vested options upon completion of the merger, (iii) the number of shares subject to unvested options held by him or her, (iv) the cash consideration that he or she will receive for such unvested options upon completion of the merger (the vesting of all unvested options held by directors will be accelerated upon completion of the merger), (v) the number of shares subject to restricted stock units held by him or her that would be subject to accelerated vesting upon completion of the merger, (vi) the value of the payment that he or she will receive for such restricted stock units upon completion of the merger, (vii) the total payments he or she will receive for all unvested equity awards and (viii) the total consideration he or she will receive for all outstanding equity awards, in each case, calculated assuming the merger is consummated on February 19, 2014. The values in the table below are based on the per share merger consideration of $11.15.

2014 Equity Compensation Grants

The Company made 2014 equity compensation grants to employees, including the executive officers, and directors on March 1, 2014. Under the merger agreement and disclosure schedule delivered by the Company in connection with the merger agreement, the Company may grant up to 8,300,000 Company restricted stock units and 2,200,000 Company stock options as part of its annual equity compensation grant program, provided that the Company will consult in good faith with Avago and Avago USA regarding any grants to employees of the Company at the level of senior director or above, and the Company may make additional equity grants to new hires. The Company may also make grants to employees of the Company or any of its subsidiaries at the level below vice president, provided that any such grant to any individual does not exceed 75,000 Company stock options (with each Company restricted stock unit granted deemed equivalent to 2.5 Company stock options) and the aggregate of such grants does not exceed 2,500,000 Company stock options (with each Company restricted stock unit granted deemed equivalent to 2.5 Company stock options). The total number of shares of Company common stock subject to all such awards that the Company may grant before the effective time of the merger may not exceed 15,000,000.

Annual Bonus Programs

The Company has determined the amount of the 2013 fiscal year annual cash bonuses for eligible employees who participate in the LSI 2013 fiscal year annual cash bonus program, including the executive officers, in the ordinary course of business, based on actual performance and level of achievement of the applicable performance targets in accordance with the terms of the LSI 2013 fiscal year annual cash bonus program as approved by the Compensation Committee of our Board of Directors. The Company established an annual bonus program for 2014, which provides for payment

of a part-year bonus to any employee who becomes entitled to severance under one of the Company’s severance plans or policies after the closing of the merger and prior to the payment date for the fiscal-year 2014 bonuses. Such bonuses will be based on the Company’s non-GAAP operating income between January 1, 2014 and the date on which the merger is consummated and the employees the Company has on its payroll as of the closing of the merger.

Severance Agreements

Each executive officer participates in the Severance Policy for Executive Officers Change-in-Control Program, which we refer to as the CIC Program, of the Company, which provides that if a participant’s employment is terminated within one year following a change in control (or within eighteen months following a change in control in the case of Mr. Talwalkar) by the Company without “cause” or by the executive for “good reason,” (each as defined in the CIC program) then, subject to the execution of a release and compliance with certain non-competition, non-solicitation and non-disparagement requirements, the participant will be entitled to the following severance payments and benefits:

In the event the total severance payments due to an executive officer would be subject to the excise tax imposed under Section 4999 of the Internal Revenue Code of 1986, as amended, which we refer to as the Code, then the severance payments will be cut back to the amount that would result in no such tax being imposed, if such reduction would result in a greater after-tax benefit to the executive officer.

Specified Compensation That May Become Payable to Our Named Executive Officers in Connection With the Merger

In accordance with Item 402(t) of Regulation S-K, the table below sets forth the estimated amounts of compensation and benefits that each named executive officer of the Company could receive that are based on or otherwise relate to the merger. These amounts have been calculated assuming the merger is consummated on May 1, 2014 and assuming each named executive officer experiences a qualifying termination of employment under the CIC program as of that date, without taking into effect any possible reduction that might be required to avoid Sections 280G and 4999 of the Code. To the extent the payments and benefits shown below would constitute “excess parachute payments” for purposes of these tax code sections, the named executive officer may have his or her payments and benefits reduced, if such reduction would result in a greater net-after-tax amount to such named executive officer after taking into account the excise tax imposed under Section 4999 of the Code and any applicable federal, state and local taxes. Please see the section entitled “Interests of Certain Persons in the Merger” for further information about the applicable compensation and benefits.

program. In the case of restricted stock units that are subject to performance-based vesting, attainment of all applicable performance goals is assumed at a level resulting in the payout of target awards. The value of the accelerated vesting of the Company restricted stock units is based on a price of $11.15 per share. The value of the unvested and accelerated Company options is the difference between $11.15 per share and the exercise price of the option, multiplied by the number of unvested options as of May 1, 2014 consistent with the methodology applied under

SEC Regulation M-A Item 1011(b) and Regulation S-K Item 402(t)(2). The amounts in this column for the unvested and accelerated Company options (i) do not represent either the value of the assumed unvested options for accounting purposes nor the amount, if any, that will actually be realized by the individual upon future exercise or other disposition of the unvested options and (ii) do not reflect any taxes payable by the option holders. The value of accelerated restricted stock units and accelerated Company options for each named executive officer are as follows:

Arrangements With the Surviving Corporation

As of the date of this proxy statement, no members of our current management have entered into any definitive agreement, arrangement or understanding with Avago USA, Merger Sub or their affiliates regarding employment with, or the right to invest or participate in the equity of, the surviving corporation, Avago USA or any of its affiliates. As of the date of this proxy statement, it is the Company’s understanding that no members of LSI’s current senior management will be given offers of employment to remain with the Company after consummation of the merger.

Avago USA and Merger Sub have agreed that all rights to exculpation or indemnification for acts or omissions occurring prior to the consummation of the merger existing as of the date of the merger agreement in favor of our and our subsidiaries’ current and former directors and officers and their heirs and personal representatives, each of which we refer to as a D&O Indemnitee, as provided in our or our subsidiaries’ respective articles or certificates of incorporation or bylaws, or comparable organizational or governing documents, or in any agreement between us or any of our subsidiaries and such D&O Indemnitee, shall survive the merger and shall continue in full force and effect in accordance with their terms following the merger. Avago USA will cause the surviving corporation to fulfill and honor such obligations to the fullest extent permitted by law.

For six years following the merger, Avago USA will, and will cause the surviving corporation and its subsidiaries to, cause the certificate of incorporation and bylaws (or comparable organizational or governing documents) of the surviving corporation and its subsidiaries to contain provisions with

respect to indemnification and exculpation that are at least as favorable as the indemnification and exculpation provisions contained in our and our subsidiaries’ certificates of incorporation and bylaws (or comparable organizational or governing documents) immediately prior to the merger, and during such six-year period, such provisions shall not be amended or repealed in a manner that would adversely affect the rights of any D&O Indemnitee, except as required by law.

Pursuant to the merger agreement, for a one-year period commencing at the effective time of the merger, Avago has agreed to provide or cause the surviving corporation to provide to continuing employees, a base salary, bonus opportunity, severance, health and welfare benefits no less favorable than the base salary, bonus opportunity, severance, health and welfare benefits being provided to such employees immediately prior to the effective time of the merger. In addition, Avago has agreed to or cause the surviving corporation to honor the Company’s change in control and severance plans and policies for the one-year period commencing at the effective time of the merger (subject to certain permitted amendments as may be necessary for tax reasons). A more complete description of the benefits provided to Company employees under the merger agreement is under the heading “The Merger Agreement — Employee Benefit Matters” beginning on page 87.89.

Accounting Treatment

The merger will be accounted for as a “purchase transaction” for financial accounting purposes.

Material U.S. Federal Income Tax Consequences of the Merger

The following is a summary of the material U.S. federal income tax consequences of the merger to U.S. holders and certain “non-U.S. holders” (both terms defined below) whose shares of our common stock are converted into the right to receive cash pursuant to the merger. This summary is based on the Code, the U.S. Treasury regulations promulgated under the Code, published rulings by the Internal Revenue Service, which we refer to as the IRS, and judicial authorities and administrative decisions, all as in effect as of the date of this proxy statement and all of which are subject to change, possibly with retroactive effect. This summary is not binding on the IRS or a court, and there can be no assurance that the tax consequences described in this summary will not be challenged by the IRS or that they would be sustained by a court if so challenged. No ruling has been or will be sought from the IRS, and no opinion of counsel has been or will be rendered, as to the U.S. federal income tax consequences of the merger.

For purposes of this summary, the term “U.S. holder” means a beneficial owner of shares of our common stock that is, for U.S. federal income tax purposes:

As used herein, a “non-U.S. holder” means a beneficial owner of shares of our common stock that is neither a U.S. holder nor an entity or arrangement treated as a partnership for U.S. federal income tax purposes.

If a partnership (including an entity treated as a partnership for U.S. federal income tax purposes) holds our common stock, the tax treatment of a partner will generally depend on the status of the

partner and the activities of the partnership. A partner of a partnership holding our common stock should consult the partner’s tax advisor regarding the U.S. federal income tax consequences of the merger to such partner.

This summary applies only to holders who hold shares of our common stock as capital assets within the meaning of Section 1221 of the Code (generally, property held for investment), and does not address or consider all of the U.S. federal income tax consequences that may be applicable to holders of our common stock in light of their particular circumstances. For instance, this summary does not address the alternative minimum tax or the tax consequences to stockholders who validly exercise dissenters’ rights under the DGCL. In addition, this summary does not address the U.S. federal income tax consequences of the merger to holders who are subject to special treatment under U.S. federal income tax rules, including, for example, banks and other financial institutions; insurance companies; securities dealers or broker-dealers; mutual funds; traders in securities who elect to use the mark-to-market method of accounting; tax-exempt investors; S corporations; holders classified as partnerships or other flow-through entities under the Code; U.S. expatriates; holders who hold their shares of our common stock as part of a hedge, straddle, conversion transaction, or other integrated investment; holders whose functional currency is not the U.S. dollar; holders who acquired their shares of our common stock through the exercise of employee stock options or otherwise as compensation; holders who actually or constructively own 5% or more of the outstanding shares of our common stock; and holders who do not hold their shares of our common stock as capital assets within the meaning of Section 1221 of the Code. In addition, this summary does not address the impact of the Medicare contribution tax, any aspects of foreign, state, local, estate, gift, or other tax laws (or any U.S. federal tax laws other than those pertaining to income tax) that may be applicable to a particular holder in connection with the merger.

Further, this summary does not address any tax consequences of the merger to holders of options, shares of restricted stock or restricted stock units, whose options, shares of restricted stock or restricted stock units are cancelled in exchange for cash or other consideration pursuant to the merger. Such option, share of restricted stock, restricted stock units, performance units and warrant holders should consult their tax advisors regarding the tax consequences of the merger to them. Moreover, this summary does not discuss any other matters relating to equity compensation or benefit plans (including the 401(k) plan).

U.S. Holders

A U.S. holder’s receipt of the merger consideration in exchange for shares of our common stock will generally be a taxable transaction for U.S. federal income tax purposes. In general, a U.S. holder whose shares of common stock are converted into the right to receive cash pursuant to the merger will recognize capital gain or loss for U.S. federal income tax purposes in an amount equal to the difference, if any, between the amount of cash received (determined before deduction of any applicable withholding taxes) with respect to such shares and the U.S. holder’s adjusted tax basis in such shares. A U.S. holder’s adjusted tax basis will generally equal the price the U.S. holder paid for such shares. The amount of gain or loss must be determined separately for each block of shares (i.e., shares acquired at the same cost in a single transaction) surrendered by the U.S. holder in the merger. Such gain or loss will generally be long-term capital gain or loss if the U.S. holder’s holding period for such shares is more than 12 months at the effective time of the merger. Long-term capital gains recognized by individual and certain other non-corporate U.S. holders are generally taxed at preferential U.S. federal income tax rates. A U.S. holder’s ability to deduct capital losses may be limited.

Non-U.S. Holders

Cash received in the merger by a non-U.S. holder generally will not be subject to U.S. withholding tax (other than potentially to backup withholding tax, as discussed below) and will not be subject to U.S. federal income tax unless:

Non-U.S. Holders should consult their own tax advisors regarding the tax consequences to them of the merger.

Backup Withholding and Information Reporting

A U.S. holder may be subject to backup withholding on all payments to which such U.S. holder is entitled in connection with the merger, unless the U.S. holder provides its correct taxpayer identification number and complies with applicable certification procedures or otherwise establishes an exemption from backup withholding. In addition, if the paying agent is not provided with a U.S. holder’s correct taxpayer identification number or other adequate basis for exemption, the U.S. holder may be subject to certain penalties imposed by the IRS. Each U.S. holder should complete and sign the IRS Form W-9 included as part of the letter of transmittal and timely return it to the paying agent in order to avoid backup withholding, unless an exemption applies and is established in a manner satisfactory to the paying agent.

Certain non-U.S. holders may also be subject to backup withholding unless they establish an exemption from backup withholding in a manner satisfactory to the paying agent (such as by completing and signing an appropriate IRS Form W-8) and otherwise comply with the backup withholding rules. Non-U.S. holders should consult their own tax advisors regarding these matters.

Backup withholding is not an additional tax. Any amounts withheld under the backup withholding rules will generally be allowable as a refund or credit against a holder’s U.S. federal income tax liability, provided that certain required information is timely furnished to the IRS.

Payments made pursuant to the merger will also be subject to information reporting unless an exemption applies.

This summary is provided for general information only and is not tax advice. The U.S. federal income tax consequences described above are not intended to constitute a complete description of all tax consequences relating to the merger. Because individual circumstances may differ, each stockholder should consult the stockholder’s tax advisor regarding the applicability of the rules discussed above to the stockholder and the particular tax effects to the stockholder of the merger in light of such stockholder’s particular circumstances and the application of state, local, foreign, estate, gift and other tax laws (or any U.S. federal tax laws other than those pertaining to income tax).

Regulatory Approvals and Notices

Under the HSR Act, the merger cannot be completed until each of the Company and Avago USA files a notification and report form with the FTC and the DOJ and the applicable waiting period has expired or been terminated. Each of the Company and Avago USA filed such a notification and report form on December 30, 2013, and each requested early termination of the waiting period. The waiting period under the HSR Act expired on February 28, 2014.

At any time before or after consummation of the merger, notwithstanding the termination of the waiting period under the HSR Act, the DOJ or the FTC could take such action under the antitrust laws as it deems necessary or desirable in the public interest, including seeking to enjoin the completion of the merger or seeking divestiture of substantial assets of the Company or Avago USA. At any time before or after the completion of the merger, and notwithstanding the termination of the waiting period under the HSR Act, any state could take such action under the antitrust laws as it deems necessary or desirable in the public interest. Such action could include seeking to enjoin the completion of the merger or seeking divestiture of substantial assets of the Company or Avago USA. Private parties may also seek to take legal action under the antitrust laws under certain circumstances.

Additionally, under the merger agreement, the merger cannot be completed until any affirmative approval or clearance required under the antitrust laws of the People’s Republic of China, the Russian Federation and the Federal Republic of Germany have been obtained or are deemed to have been obtained. Initial notifications were submitted on December 30, 2013. On January 17, 2014, the Bundeskartellamt (Federal Cartel Office) of the Federal Republic of Germany approved the merger. On January 29, 2014, the Federal Antimonopoly Service of the Russian Federation approved the merger. The antitrust authorities of the People’s Republic of China are analyzing the information in the notifications and will consult with third parties. Upon completion of their initial investigation, the authorities can decide to approve the transaction unconditionally, prolong the investigation, impose remedies or conditions, or prohibit the transaction. There can be no assurance that the transaction will be approved or approved unconditionally.

Under the merger agreement, Avago, Avago USA and Merger Sub are not required to complete the merger until any review or investigation by CFIUS of the merger pursuant to the DPA has been concluded, and either (i) the parties have received written notice that a determination by CFIUS has been made that there are no unresolved issues of national security in connection with the transactions contemplated by the merger agreement, or (ii) the President of the United States has determined not to use his powers to unwind, suspend or prohibit the consummation of the transactions contemplated by the merger agreement. On January 30, 2014, the Company, Avago, Avago USA and Merger Sub filed a joint voluntary notification with CFIUS.

There can be no assurance that all of the regulatory clearances and approvals as described above will be sought or obtained and, if obtained, there can be no assurance as to the timing of any approvals, the ability of Avago USA or the Company to obtain the approvals on satisfactory terms or the absence of any litigation challenging such approvals. There can also be no assurance that the DOJ, the FTC, the

antitrust authorities of the People’s Republic of China or any other governmental entity or any private party will not attempt to challenge the merger and, if such a challenge is made, there can be no assurance as to its result.

Litigation Relating to the Merger

Since the December 16, 2013 announcement of the merger agreement and through February 28, 2014, sixteen purported class action complaints were filed by alleged stockholders of the Company against the Company, the individual directors of the Company, and, in fifteen of the cases, against Avago. Nine lawsuits were filed in the Delaware Court of Chancery, captionedMoskal v. LSI Corporation, et al., C.A. No. 9175-VCN (Dec. 19, 2013);Williams v. LSI Corporation, et al., C.A. No. 9176-VCN (Dec. 19, 2013);Hitchcock v. LSI Corporation et al., C.A. No. 9177-VCN (Dec. 20, 2013);Thurm v. LSI Corporation, et al., C.A. No. 9187-VCN (Dec. 23, 2013);Kahn v. LSI Corporation, et al., C.A. No. 9191-VCN (Dec. 23, 2013);Mroski v. LSI Corporation et al., C.A. No. 9197-VCN (Dec. 23, 2013);Slomovic v. LSI Corporation, et al., C.A. No. 9202-VCN (Dec. 23, 2013);Northern California Pipe Trades Pension Plan v. Haggerty, et al., C.A. No. 9220-VCN (Jan. 2, 2014); andCity of Orlando Police Pension Fund v. Haggerty, et al.,, C.A. No. 9244-VCN (Jan. 13, 2014), which we refer to collectively as the Delaware actions. On January 17, 2014, the Delaware Court of Chancery entered an order consolidating the Delaware actions into a single action captioned In re LSI Corporation Stockholders Litigation, C.A. No. 9175-VCN. The Court’s January 17, 2014 order also certified the LSI stockholder class, consisting of all persons who held LSI shares (excluding defendants named in the lawsuit and their immediate family members, any entity controlled by any defendant, and any successor in interest thereto) at any time during the period from and including August 12, 2013 through the date of the consummation of the merger. On January 30, 2014, an Amended Consolidated complaint was filed in the Delaware Court of Chancery in connection with the Delaware actions. On March 7, 2014, the parties reached an agreement in principle to settle the consolidated Delaware action, and will be negotiating a stipulation of settlement that will be presented to the Delaware Court of Chancery.

The seven other lawsuits were filed in the Superior Court of the State of California, County of Santa Clara, and are captionedWaber v. LSI Corporation, et al., Case No. 1:13:257859 (Dec. 17, 2013);Tansey v. LSI Corporation, et al., Case No. 1:13:257860 (Dec. 17, 2013);Tolar v. LSI Corporation, et al., Case No. 1:13:257939 (Dec. 18, 2013);Cinotto v. LSI Corporation, et al., Case No. 1:13:257975 (Dec. 18, 2013);Cohen v. LSI Corporation, et al., Case No. 1:13:258030 (Dec. 19, 2013);Balter v. LSI Corporation, et al., Case No. 1:13:258113 (Dec. 20, 2013); andYee v. LSI Corporation, et al., Case No. 1:13:258164 (Dec. 23, 2013), which we refer to collectively as the California actions. On January 3, 2014, LSI filed motions to stay theWaber,Tansey,Tolar,CinottoandBalteractions pending the resolution of the more advanced Delaware actions. On January 16, 2014, LSI also filed a motion to stay theCohenaction, and the LSI directors who had been served with process filed joinders to the motions to stay in theWaber,Tansey, andCinottoactions.

Each of the cases is purportedly brought on behalf of the LSI stockholder class. Collectively, the Delaware and California actions generally allege that the members of the Company’s board of directors breached their fiduciary duties in connection with the merger because the merger was not in the best interest of the Company, the merger consideration is unfair, and certain other terms of the merger agreement are unfair. Some of the actions allege that the Company, Avago, Avago USA and/or Merger Sub aided and abetted those alleged breaches of fiduciary duty. Among other remedies, the lawsuits seek to enjoin the merger, or in the event that an injunction is not entered and the merger closes, rescission of the merger or unspecified money damages, costs and attorneys’ fees. The Company and its board of directors believe these claims are entirely without merit, and intend to vigorously defend these actions.

THE MERGER AGREEMENT (PROPOSAL NO. 1)

This section describes the material terms of the merger agreement. The description in this section and elsewhere in this proxy statement is qualified in its entirety by reference to the complete text of the merger agreement, a copy of which is attached asAnnex A and is incorporated by reference into this proxy statement. This summary does not purport to be complete and may not contain all of the information about the merger agreement that is important to you. We encourage you to read the merger agreement carefully and in its entirety. This section is not intended to provide you with any factual information about us. Such information can be found elsewhere in this proxy statement and in the public filings we make with the SEC, as described in the section entitled “Where You Can Find More Information” beginning on page 109.111.

Explanatory Note Regarding the Merger Agreement and the Summary of the Merger Agreement; Representations, Warranties and Covenants in the Merger Agreement Are Not Intended to Function or Be Relied on as Public Disclosures

The merger agreement and the summary of terms included in this proxy statement have been prepared to provide you with information regarding its terms and are not intended to provide any factual information about the Company, Avago, Merger Sub, Avago USA or any of their respective subsidiaries or affiliates. Such information can be found elsewhere in this proxy statement or in the public filings that we or Avago make with the SEC, as described in the section entitled “Where You Can Find More Information” beginning on page 109111 of this proxy statement. The representations, warranties and covenants contained in the merger agreement have been made solely for the purposes of the merger agreement as of specific dates and solely for the benefit of parties to the merger agreement and:

Accordingly, you should not rely on the representations, warranties or covenants or any descriptions thereof as characterizations of the actual state of facts or condition of the Company, Avago, Merger Sub, Avago USA or any of their respective subsidiaries or affiliates. Moreover, information concerning the subject matter of the representations and warranties may change after the date of the merger agreement, which subsequent information may or may not be fully reflected in the Company’s or Avago’s public disclosures. Accordingly, the representations and warranties and other provisions of the merger agreement or any description of such provisions should not be read alone, but instead should be read together with the information provided elsewhere in this proxy statement and in the documents incorporated by reference into this proxy statement. See the section entitled “Where You Can Find More Information” beginning on page 109 of this proxy statement.

Effects of the Merger; Directors and Officers; Certificate of Incorporation; Bylaws

The merger agreement provides that, upon the terms and subject to the conditions set forth in the merger agreement and in accordance with the DGCL, Merger Sub will be merged with and into the Company, whereupon the separate existence of Merger Sub will cease, and the Company will continue as the surviving corporation and a wholly owned subsidiary of Avago USA.

The board of directors of the surviving corporation will be the directors of Merger Sub until the earlier of their resignation or removal or until their successors have been duly elected and qualified.

Subject to Avago USA’s and the surviving corporation’s commitments with respect to indemnification of the Company’s current and former directors and officers, at the effective time of the merger, (i) the certificate of incorporation of the surviving corporation will be amended and restated to be identical to the certificate of incorporation of the Merger Sub and (ii) the bylaws of the surviving corporation will be amended and restated to be identical to the bylaws of Merger Sub in effect immediately prior to the effective time of the merger until amended in accordance with their terms or by applicable laws.

Following the completion of the merger, the Company common stock will be delisted from the NASDAQ and deregistered under the Exchange Act and will cease to be publicly traded.

Closing and Effective Time of the Merger; Marketing Period

Unless the parties otherwise agree in writing, the closing of the merger will take place no later than the third business day following the date on which the last of the conditions to closing of the merger (described under “The Merger Agreement — Conditions to the Merger” beginning on page 89) has been satisfied (to the extent permitted by applicable law) or waived (other than those conditions that by their terms are not capable of being satisfied or waived until the closing of the merger, but subject to the satisfaction or waiver of such conditions), or at such other date and time as Avago USA and the Company have otherwise agreed in writing, unless the marketing period (as described in this section) has not ended at the time of the satisfaction or waiver of all conditions to closing (other than those conditions that by their nature are to be satisfied at the closing), in which case the closing shall not occur until the earlier to occur of (a) a date during the marketing period specified by Avago USA on three business days written notice to the Company and (b) the first business day following the final day of the marketing period.

Assuming timely satisfaction of the necessary closing conditions, we anticipate that the merger will be completed in the first half of 2014. The effective time of the merger will occur concurrently with the closing of the merger.

The marketing period is the first period of 15 consecutive calendar days on or after January 6, 2014, after which Avago USA and its financing sources have the required financing information described below. The marketing period shall end on or prior to August 15, 2014 or commence on or after September 2, 2014 and end on any earlier date that is the date on which the financing described in “The Merger — Financing of the Merger” beginning on page 5457 is consummated. The marketing period may not commence and be deemed to have commenced prior to the date upon which the definitive proxy statement is mailed to our stockholders.

Required financing information consists of (i) audited consolidated balance sheets and related statements of income and cash flows of the Company for the three most recently completed fiscal years ended at least 90 days prior to the closing date, and (ii) unaudited consolidated balance sheets and related statements of income and cash flows of the Company for each subsequent fiscal quarter ended at least 45 days prior to the closing date, but excluding the fourth quarter of any fiscal year.

Treatment of Company Common Stock, Options, Restricted Stock and Restricted Stock Units

Common Stock

At the effective time of the merger, each share of Company common stock issued and outstanding immediately prior to the effective time of the merger (except for the excluded shares) will convert into the right to receive the per share merger consideration, without interest, less any required tax withholding. Shares of Company common stock held in treasury of the Company and each share of Company common stock owned by Avago USA or Merger Sub will be cancelled and retired without any conversion thereof and will cease to exist and no payment shall be made in respect thereof. Company common stock owned by stockholders who have properly exercised and perfected their demands for appraisal rights under the DGCL will not be converted into the right to receive the per share merger consideration. Such stockholders will instead be entitled to the appraisal rights provided under the DGCL as described under “Appraisal Rights” beginning on page 103.105.

Options

At the effective time of the merger, each Company option that is vested and unexercised immediately prior to the effective time of the merger (including any options that are not assumed and vest in connection with the merger by virtue of such non-assumption) will be cancelled immediately prior to the effective time of the merger and converted into the right to receive, with respect to each share previously subject to such option, the excess, if any, of the per share merger consideration over the exercise price per share of such option, without interest, less any required tax withholding. If the exercise price per share of any vested Company option is equal to or greater than the per share merger consideration, such Company option will be cancelled without any cash payment.

At the effective time of the merger, each Company option that is outstanding and unvested and held by a continuing employee or continuing service provider, will be assumed by Avago and converted into an option to purchase a number of Avago ordinary shares equal to the number of shares of Company common stock subject to such option multiplied by the Exchange Ratio (rounded down to the nearest whole share), and the exercise price for each Avago ordinary share underlying such option will be equal to the exercise price per share of Company common stock subject to such LSI stock option divided by the Exchange Ratio (rounded up to the nearest whole cent).

No outside director will be a continuing employee or a continuing service provider, and therefore, the Company options held by the outside directors, that are outstanding and unvested as of immediately prior to the effective time of the merger, will vest immediately prior to the effective time of the merger pursuant to the terms of the applicable Company equity incentive plan, which provides that options that are not assumed or replaced by the acquiring corporation in connection with a change in control of the Company will fully vest. At the effective time, outside directors will receive with respect to each share previously subject to such option, the excess, if any, of the per share merger consideration over the exercise price per share of such option, without interest, less any required tax withholding. If the exercise price per share of any such accelerated Company option is equal to or greater than the per share merger consideration, such Company option will be cancelled without any cash payment.

The Company expects that all of the currently serving Company executive officers will remain executive officers of the Company at least through the closing of the merger, and therefore, all of their unvested Company options will be assumed by Avago (without any accelerated vesting occurring by virtue of the merger itself and provided that the CIC Program may provide accelerated vesting if the merger is completed and a defined employment termination occurs with one year (or eighteen months in the case of Mr. Talwalkar) thereafter).

Restricted Stock

At the effective time of the merger, each share of Company restricted stock that is outstanding immediately prior to the effective time of the merger will be cancelled immediately prior to the effective time of the merger and converted into the right to receive a cash payment from Avago, upon the same vesting schedule as in place immediately prior to the effective time, equal to the merger consideration, without interest, less any required tax withholding.

Restricted Stock Units

At the effective time of the merger, each Company restricted stock unit that is outstanding immediately prior to the effective time of the merger and held by a continuing employee or a continuing service provider will be assumed by Avago and converted into a restricted stock unit denominated in the number of Avago ordinary shares equal to the number of shares of Company common stock underlying such LSI restricted stock unit multiplied by the Exchange Ratio (rounded down to the nearest whole share). The performance-based vesting criteria, if any, applicable to Company restricted stock units converted in connection with the merger, will be deemed met, at the effective time of the merger, at a level resulting in payout of target awards.

Each Company restricted stock unit that is not assumed will become fully vested and cancelled immediately prior to the effective time of the merger and will be converted into the right to receive the per share merger consideration, without interest, less any required tax withholding.

Dissenting Shares

Shares of our common stock which are issued and outstanding immediately prior to the effective time of the merger and held by a holder who is entitled to appraisal rights under Section 262 of the DGCL, and who has properly exercised his, her or its demand for appraisal in accordance with Section 262 of the DGCL shall not be converted into the right to receive the merger consideration but instead such holder shall be entitled to receive such consideration as determined in accordance with Section 262 of the DGCL. In the event that any such stockholder fails to perfect, or otherwise waived, effectively withdrew or lost his or her right to appraisal under Section 262 of the DGCL or a court of competent jurisdiction determined that such holder is not entitled to the relief provided by Section 262 of the DGCL, then the shares held by such stockholder will be converted into and represent only the right to receive the merger consideration. We have agreed to give Avago USA prompt written notice of any demands we receive for appraisal of shares of our common stock, and Avago USA has the opportunity to participate in all negotiations and proceedings with respect to such demands. We have agreed not to make any voluntary payment with respect to, or offer to settle, any such demands without the prior written consent of Avago USA.

Treatment of Employee Stock Purchase Plan

The Employee Stock Purchase Plan will not accept any new participants and the current offering period will end on the last day of the payroll period ending immediately prior to the effective time of the merger (if the current offering period does not end sooner pursuant to the terms of the Employee Stock Purchase Plan), which we refer to as the Final Exercise Date. On the Final Exercise Date, each participant’s account will be used to purchase shares of Company common stock in accordance with the terms of the Employee Stock Purchase Plan. The Employee Stock Purchase plan will terminate as of the Final Exercise Date.

Exchange and Payment Procedures

Prior to the effective time of the merger, Avago USA will designate a paying agent to handle the exchange of shares of Company common stock for the merger consideration. The payment for Company stock options, Company restricted stock and Company restricted stock units that are being cashed out and not assumed are expected to be handled through the Company’s payroll system with respect to current or former employees of the Company and through the paying agent designated by Avago USA with respect to holders who are not current or former employees of the Company. At or immediately prior to the effective time of the merger, Avago USA will deposit (and Avago will cause Avago USA to deposit) with the paying agent all of the cash sufficient to pay the aggregate merger consideration, Company stock option consideration, Company restricted stock consideration and the Company restricted stock unit consideration. At any time after the effective time of the merger, shares of Company common stock (other than shares held (i) directly by Avago or Merger Sub or in treasury of the Company and (ii) by our stockholders who perfect their appraisal rights) that were outstanding immediately prior to the effective time will represent only the right to receive the merger consideration.

How you receive payment of the merger consideration for your shares depends on how you hold your shares. The following paragraphs describe the different payment processes. In all cases, the amount of your payment will be without interest and will be reduced by any required tax withholding.

Shares held at a bank, brokerage firm or other nominee, or “street name” shares:    If your shares of Company common stock are held on your behalf by a bank, brokerage firm or other nominee, although each bank, brokerage firm or other nominee establishes its own procedures, we believe that payment for those shares will be deposited in your account with such bank, brokerage firm or other nominee.

Shares held in direct registration form at our transfer agent, Computershare, or “book entry” shares:    If you holdonly book entry shares at Computershare, the paying agent will mail you a check in the amount of the merger consideration for those shares.

Shares for which you have a stock certificate, or “certificated shares”:    If you hold LSI stock certificates, the paying agent will mail you a letter of transmittal that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your certificated shares.

If you holdboth book entry shares at Computershare and certificated shares, the paying agent will mail you a letter of transmittal that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your certificated shares and for your book entry shares.

If you have a stock certificate for shares in a company acquired by LSI, or “unexchanged shares”:    If you have a stock certificate from a company that was acquired by LSI and never exchanged that certificate for Company common stock and the shares represented by that certificate have not been delivered to a government authority under unclaimed property, escheat or similar laws, the paying agent will mail you a letter of transmittal that you must complete and return to the paying agent. Once the paying agent receives your properly completed letter of transmittal and stock certificate(s), the paying agent will mail you a payment check in the amount of the merger consideration for your shares.

If you opted to receive payment of Company dividends by direct deposit, you will nonetheless receive a payment check in the amount of the merger consideration for your shares.

Our stockholders shouldnot return stock certificates with the enclosed proxy card, and our stockholders shouldnot forward stock certificates to the paying agent without a letter of transmittal.

After the effective time of the merger, shares of Company common stock will no longer be outstanding and will cease to exist, and each certificate that previously represented shares of Company common stock (or shares of capital stock which are entitled to be exchanged for shares of Company common stock as a result of prior acquisitions consummated by the Company) or book entry share outstanding at the effective time will represent only the right to receive the merger consideration as described above.

Following the date that is one year after the effective time of the merger, any portion of the funds held by the paying agent that remains unclaimed by our former stockholders, including the proceeds from investment thereof, shall be delivered to Avago USA upon Avago USA’s request therefor. Thereafter, our former stockholders may look only to Avago USA or the surviving corporation (subject to abandoned property, escheat or similar laws) for payment with respect to the merger consideration.

At the effective time of the merger, our stock transfer books will be closed and there will be no further registration of transfers of our common stock. If, after the effective time of the merger, certificates are presented to the surviving corporation for transfer, such certificates will be cancelled and exchanged for payment of the merger consideration.

If the payment of the merger consideration is to be made to a person other than the registered holder of the certificate surrendered in exchange for the merger consideration, the certificate surrendered must be properly endorsed or otherwise be in proper form for transfer (and accompanied by all documents reasonably required by the paying agent) and the person requesting such payment must pay the paying agent any applicable stock transfer or other taxes or establish to the reasonable satisfaction of Avago that such taxes have been paid or are not payable.

Lost, Stolen or Destroyed Certificates

If any Company common stock certificate has been lost, stolen or destroyed, then upon the making of an affidavit of that fact by the person claiming such certificate to be lost, stolen or destroyed and, to the extent required by the surviving corporation, the posting by such person of a bond in such reasonable amount as the surviving corporation may direct as indemnity against any claim that may be made against it with respect to such certificate, the paying agent will pay the merger consideration that would be payable in respect thereof pursuant to the merger agreement had such lost, stolen or destroyed certificate been surrendered as provided in the merger agreement.

Financing Covenant; Company Cooperation

Prior to the closing of the merger, Avago USA will use reasonable best efforts to arrange the debt financing and the note financing as promptly as practicable following the date of the merger agreement and to consummate the debt financing and the note financing on the closing date, including taking the following actions:

Avago USA is required to promptly notify us of any breach or repudiation by any party to the financing documents of which Avago USA becomes aware (except where doing so requires the disclosure of privileged information, including attorney-client privileged information).

If (i) the commitments with respect to all or a material portion of the debt financing or the note financing expire or terminate; (ii) all or any portion of the debt financing or the note financing becomes unavailable; or (iii) a party to the financing documents, other than Avago USA or its affiliates, breaches or repudiates the financing documents resulting in the debt financing or the note financing becoming unavailable, in each case, that excuses performance by Avago USA of its obligations under the financing documents and any related fee letters, which we refer to collectively as a financing failure event, then Avago USA will:

We have agreed to reasonably cooperate in connection with Avago USA’s obtainment of the debt financing and the note financing as reasonably requested by Avago USA, including by:

We will provide Avago USA and its financing sources with certain information necessary so that Company financial information and information relating to the Company contained in customary bank books, information memoranda and other customary marketing material we provide is complete and correct in all material respects and does not and will not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements contained therein, in the light of the circumstances under which such statements are made, not materially misleading.

Avago USA has agreed to promptly reimburse us for any reasonable and documented out-of-pocket expenses and costs incurred by us, our subsidiaries and representatives in connection with the arrangement of the debt financing and the note financing. Avago USA and Merger Sub have further agreed to indemnify and hold harmless each of us, our affiliates and representatives against any liabilities incurred in connection with the arrangement of the debt financing, the note financing, alternative financing or any other refinancing contemplated by the merger agreement, including any such liabilities incurred with respect to the use of our information in connection with such financing, alternative financing or other refinancing.

Representations and Warranties

We made customary representations and warranties in the merger agreement that are subject, in some cases, to specified exceptions and qualifications contained in the merger agreement and the matters contained in the disclosure schedule delivered by the Company in connection with the merger agreement. These representations and warranties relate to, among other things:

Many of our representations and warranties are qualified by, among other things, exceptions relating to the absence of a “Company material adverse effect,” which means any effect, event, change, occurrence, development or state of facts, (whether or not foreseeable as of the date of the merger agreement) that, individually, or when taken together with all other effects, events, changes, occurrences, developments or states of facts, has or would reasonably be expected to be materially adverse to the business, assets, liabilities, results of operations or financial condition of the Company and its subsidiaries, taken as a whole.

However, in no event shall any of the following be considered in determining whether such material adverse effect has occurred or would reasonably be expected to occur:

The merger agreement also contains customary representations and warranties made by Avago that are subject to specified exceptions and qualifications contained in the merger agreement and certain confidential disclosures that Avago delivered to the Company concurrently with the execution of the merger agreement. The representations and warranties of Avago, Merger Sub and Avago USA to the Company under the merger agreement, relate to, among other things:

The representations and warranties in the merger agreement of each of the Company, Avago USA and Merger Sub will terminate upon the consummation of the merger or the termination of the merger agreement pursuant to its terms.

Conduct of Our Business Pending the Merger

We have agreed to certain covenants in the merger agreement restricting the conduct of our business between the date of the merger agreement and the effective time of the merger. In general, we and our subsidiaries have agreed that we will and will cause our subsidiaries to (i) carry on our business in the ordinary course consistent with past practice and (ii) use reasonable best efforts to preserve intact our and our subsidiaries’ present business organizations, maintain in effect all material foreign, federal, state and local permits, keep available the services of our and our subsidiaries’ current officers and key employees and preserve our and our subsidiaries’ relationships with customers, lenders and suppliers and others having material business relationships with us and our subsidiaries.

We have also agreed that, except as (i) required under the merger agreement, (ii) set forth in the Company’s confidential disclosure schedule delivered to Avago concurrently with the execution of the merger agreement or (iii) pursuant to Avago USA’s written consent (which consent shall not be unreasonably withheld, conditioned or delayed, other than with respect to dividends or distributions by the Company), from the date of the merger agreement until the earlier of the effective time of the merger or termination of the merger agreement, we will not, and will not permit any of our subsidiaries to:

Proxy Statement

We have agreed to use all reasonable best efforts to file our preliminary proxy statement with the SEC as promptly as practicable following the date of the merger agreement. We have also agreed to promptly notify Avago USA of any comments or requests for amendments or supplements we receive from the SEC and provide Avago USA with copies of all correspondence between us or our representatives and the SEC. We have agreed to use our reasonable best efforts to promptly respond to any SEC comments to our preliminary proxy statement, and we have agreed to mail our definitive proxy statement to our stockholders as promptly as reasonably practicable (and in any event within five business days) after the date the SEC staff advises that it has no further comments (or the expiration of the 10-day waiting period). In addition, we and Avago USA have agreed to cooperate in preparing and filing any amendments or supplements to this proxy statement required prior to the effective time.

Stockholders Meeting

We are required to take all action in accordance with Delaware law and our certificate of incorporation and bylaws necessary to duly call, give notice of and convene a meeting of our stockholders as promptly as reasonably practicable, and in no event later than 45 days following the date of clearance by the SEC of this proxy statement, to consider and vote upon the adoption of the merger agreement, provided however, that we may elect not to take such actions if our board of directors effects a change of board recommendation in compliance with our obligations described at page 8284 of this proxy statement under the heading “The Merger Agreement — No Solicitation of Acquisition Proposals.” Subject to the provisions described at page 8284 of this proxy statement under the heading “The Merger Agreement — No Solicitation of Acquisition Proposals,” our board of directors will recommend that our stockholders vote to adopt the merger agreement, include such recommendation in this proxy statement, and will solicit adoption of the merger agreement.

No Solicitation of Acquisition Proposals

We have agreed to immediately cease any activities, discussions or negotiations with any parties that may have been ongoing with respect to an acquisition proposal (as defined below), and to instruct such parties to return to us or destroy any confidential information that had been provided in any such activities, discussions or negotiations.

From the date of the merger agreement until the effective time of the merger or, if earlier, the termination of the merger agreement in accordance with its terms, we have agreed to not, and will cause our subsidiaries, and our and our subsidiaries’ respective representatives, not to, directly or indirectly:

However, at any time prior to obtaining stockholder approval of the proposal to adopt the merger agreement and so long as we are not in material breach of our non-solicitation obligations under the merger agreement, in the event that we receive, abona fidewritten acquisition proposal, we and our board of directors may engage in negotiations or discussions with, or furnish any information to, any third party making such acquisition proposal and its representatives if our board of directors determines in good faith, after consultation with its outside legal and financial advisors, that such acquisition proposal constitutes, or is reasonably likely to result in, a superior proposal and that such action isnecessary to comply with our directors’ fiduciary duties to our stockholders under the DGCL. In the

merger agreement, which sets forth the circumstances in which we can provide information to andengage in dialogue with any party that provides abona fide written acquisition proposal (as defined in the merger agreement) that is or may lead to a superior proposal, we agreed that we may not, and shall not allow any of our subsidiaries or our subsidiaries’ representatives to, furnish any information to any such third party making the acquisition proposal without first entering into a confidentiality agreement containing customary limitations on the use and disclosure of all non-public written and oral information furnished to such third party by or on our or our subsidiaries’ behalf and containing standstill provisions no less favorable to us than the standstill provisions contained in the confidentiality agreement we entered into with Avago, and promptly providing to Avago USA any such information provided to such third party. However, the standstill provision in the confidentiality agreement entered into with Avago contains an exception permitting acquisition proposals made at the invitation of our board of directors. In the event that we receive a proposal or expression of interest from a third party in compliance with the merger agreement and our board of directors determines, among other things, that such proposal or expression of interest constitutes, or is reasonably likely to result in, a superior proposal, our board would extend a written invitation to such bidder to present such acquisition proposal.proposal, which invitation would permit such third party to amend its proposal with a new superior proposal in the event that such third party’s prior proposal is matched or exceeded by Avago in the exercise of Avago’s matching rights provided for in the merger agreement. The standstill provision in the confidentiality agreement that such third party would enter into with the Company would not restrict such third party from proceeding with its proposal, requesting and receiving non-public information about us and our subsidiaries, engaging in discussions with us with respect to the proposal and, if our board determines that the proposal constitutes a superior proposal and provided that we comply with our non-solicitation obligations under the merger agreement, entering into a definitive agreement with us with respect to the proposal. Accordingly, notwithstanding any reference in the merger agreement to the execution of confidentiality agreements containing standstill provisions no less favorable to us than the standstill provisions contained in the confidentiality agreement we entered into with Avago, potential bidders will be able to present us with a potentially superior proposal and will be able to obtain confidential due diligence material and present improved bids regardless of the standstill provision in the confidentiality agreement that such third party would enter into with the Company.

The merger agreement provides that prior to obtaining the approval of our stockholders of the proposal to adopt the merger agreement, our board of directors may change its recommendation that our stockholders vote to adopt the merger agreement if our board of directors has determined in good faith, after consultation with its outside counsel, that, in light of an intervening event (as defined below) and taking into account the results of any negotiations with Avago USA and any resulting offer from Avago USA, that such action is necessary to comply with fiduciary duties owed by our board of directors to our stockholders under the DGCL. However, our board of directors may not withdraw, modify or amend its recommendation that our stockholders vote to adopt the merger agreement with respect to an intervening event unless:

outside counsel and its financial advisor, would obviate the need for our board of directors to change its recommendation that our stockholders vote to adopt the merger agreement.

For the purposes of the merger agreement, the term “intervening event” means any event, fact, circumstance, development or occurrence that is material to us and our subsidiaries, taken as a whole (other than any event or circumstance resulting from a breach of the merger agreement by us) that was not known to our board of directors nor reasonably foreseeable by our board of directors on or prior to the date of the merger agreement, which event, fact, circumstance, development or occurrence becomes known to our board of directors prior to obtaining the approval of our stockholders of the proposal to adopt the merger agreement, except that no event, fact, circumstance, development or occurrence resulting from or relating to any of the following shall give rise to an intervening event:

The merger agreement provides that prior to obtaining the approval of our stockholders of the proposal to adopt the merger agreement, our board of directors, with respect to an acquisition proposal it receives from a third party, may (i) change its recommendation that our stockholders vote to adopt the merger agreement and (ii) terminate the merger agreement in order to execute or otherwise enter into a binding definitive agreement to effect a transaction constituting a superior proposal if:

If the merger agreement is terminated in such a circumstance, we are required to pay Avago USA the Company termination fee of $200 million prior to or concurrently with such termination as more fully described below.

Any revision to the superior proposal will be deemed to be a new acquisition proposal for purposes of the solicitation obligations described above, and we must deliver a new written notice to Avago USA and again comply with the above requirements, except that the four business day notice period would be reduced to two business days with respect to such revised superior proposal.

In the merger agreement, we agreed not to terminate, waive, amend or modify any provision of, or grant permission under, any standstill or confidentiality agreement to which we or any of our subsidiaries is a party, and we agreed to enforce the provisions of each such confidentiality agreement. However, upon execution of the merger agreement, the only standstill provisions that remain in effect from the Company’s strategic process are the standstill provisions in the confidentiality agreements entered into with Avago and its financing source, Silver Lake. Upon our entry into the merger agreement, Party A, Party B, and Party C were and remain free to present a superior proposal in accordance with the terms of the merger agreement. Party D, which did not enter into a confidentiality agreement with the Company, was and remains free to present a superior proposal in accordance with the terms of the merger agreement.

For the purposes of the merger agreement, the term “acquisition proposal” is defined as, other than the transactions contemplated by the merger agreement or other proposal or offer from Avago, Avago USA or any of their subsidiaries, any expression of interest, proposal or offer (whether or not in writing) involving: (i) the sale, lease, exchange, transfer, license, disposition (including by way of liquidation or dissolution of one or more of us or our subsidiaries) or acquisition of any business or businesses or assets that, in any such case, constitute or account for 15% or more of the consolidated net revenues, net income or net assets of us and our subsidiaries, taken as a whole; or (ii) any merger, consolidation, amalgamation, share exchange, business combination, issuance of securities, acquisition of securities, recapitalization, tender offer, exchange offer or other similar transaction (other than any such transaction by any of our subsidiaries by or with us or any other of our subsidiaries) (A) in which a person or “group” (as defined in the Exchange Act) of persons directly or indirectly acquires beneficial or record ownership of securities representing more than 15% of the outstanding securities of any class of our voting securities or (B) in which we issue securities representing more than 15% of any class of our outstanding voting securities.

For the purposes of the merger agreement, the term “superior proposal” is defined as anybona fidewritten acquisition proposal (with all references to 15% in the definition of acquisition proposal

being treated as references to 50%) that is made by a third party that our board of directors determines in good faith, after consultation with its outside legal counsel and financial advisors, is reasonably

capablereasonablycapable of being consummated, and if consummated would be more favorable to our stockholders from a financial point of view than the transactions contemplated by the merger agreement, taking into account (i) all financial, regulatory, legal and other aspects of such acquisition proposal (including theexistence of financing conditions, the conditionality of any financing commitments and the likelihood and timing of consummation) and (ii) any adjustment to the terms and conditions of the merger agreement agreed to by Avago USA and Avago in writing.

Filings; Other Actions; Notification

We, Avago, Avago USA and Merger Sub will cooperate with each other and use our respective reasonable best efforts to consummate and make effective the transactions contemplated by the merger agreement and to cause the conditions to the closing of the merger agreement to be satisfied, including:

We, Avago, Avago USA and Merger Sub have agreed, subject to certain exceptions and applicable law, to:

(i) without the prior written consent of Avago USA, which shall not be unreasonably withheld, conditioned or delayed, neither we nor any of our subsidiaries shall pay or commit to pay to such third party whose approval or consent is being solicited any material cash or other consideration or incur any material liability or other obligation due to such person, other than any payments which are expressly required pursuant to the terms of such contract with such person in effect as of the date of the merger agreement and (ii) none of Avago, Avago USA or Merger Sub shall be required to pay or commit to pay to such person whose approval or consent is being solicited any cash or other consideration, make any commitment or incur any liability or other obligation; and

In connection with the receipt of any necessary approvals or clearances of a governmental authority, neither Avago nor the Company is required to sell, hold separate or otherwise dispose of or conduct their business in a specified manner (or agree to do the same) or enter into or agree to enter into a voting trust arrangement, proxy arrangement, “hold separate” agreement or arrangement or similar agreement or arrangement with respect to the assets, operations or conduct of their business in a specified manner, or permit the sale, holding separate or other disposition of, any assets of Avago, the Company or their respective subsidiaries or affiliates.

Neither we nor Avago USA will permit any of our respective officers or representatives to participate in any meeting with any governmental entity in respect of any filing, investigation or other inquiry without consulting with the other party in advance and, to the extent permitted by such governmental entity, giving the other party the opportunity to participate at such meeting.

Employee Benefit Matters

Avago has agreed that it will, and will cause the surviving corporation for a one-year period commencing at the effective time of the merger to provide continuing employees of the Company with base salary, bonus opportunity, severance, health and welfare benefits that are no less favorable than the base salary, bonus opportunity, severance, health and welfare benefits in effect as of immediately prior to the effective time of the merger. Furthermore, Avago has agreed that it will, and will cause the surviving corporation for a one-year period commencing at the effective time of the merger to honor, and to refrain from amending or terminating, the Company’s change in control and severance plans and policies.

Each continuing employee of the Company will be credited with his or her years of service with us before the consummation of the merger to the same extent as under any similar Company benefit plan, for purposes of eligibility, vesting, vacation accrual and severance benefit determinations under any benefit or compensation plan, program, agreement or arrangement that may be established or that is maintained by Avago or the surviving corporation or any subsidiary thereof, excluding for the purposes of benefit accrual under any defined benefit pension plan or frozen benefit plan or vesting under any equity incentive plan.

For the purposes of each benefit plan of Avago or the surviving corporation or any subsidiary thereof providing medical, dental, pharmaceutical, vision and/or health benefits, which we refer to as the Parent Plans, Avago will use reasonable best efforts to cause (a) all pre-existing condition exclusions, actively-at-work requirements and similar limitations, eligibility waiting periods and

evidence of insurability requirements of the Parent Plans to be waived for such employee and his or her covered dependents to the extent such exclusions or requirements would have been waived or satisfied

under any Company benefit plan as of the closing of the merger and (b) any deductible, co-insurance and covered out-of-pocket expenses incurred under any Company benefit plan during the portion of the plan year until the effective time of the merger to be taken into account for purposes of satisfying the corresponding deductible, co-insurance and maximum out-of-pocket provisions after the closing of the merger under any applicable Parent Plan in the applicable plan year.

As soon as administratively practicable after the effective time of the merger, all participants in any Company 401(k) plan will become participants in the comparable 401(k) Plan of Avago or an affiliate of Avago.

Public Announcements

We and Avago USA have agreed that, in connection with a change of board recommendation, we will not issue any press release or make a public announcement with respect to the merger, merger agreement or other transactions contemplated by the merger agreement without the consent of the other party (which is not to be unreasonably withheld or delayed) unless such press release or announcement is required by law, in which case, the applicable party shall use its reasonable best efforts to provide the other party with a reasonable opportunity to review and comment on such press release or announcement prior to its issuance.

Notices of Events

We have agreed to promptly notify Avago USA of:

Avago, Avago USA and Merger Sub have agreed to promptly notify us of:

Conditions to the Merger

The respective obligations of Avago, Avago USA, Merger Sub and us to consummate the merger are subject to the satisfaction or waiver of the following conditions:

The obligations of Avago, Avago USA and Merger Sub to effect the merger are also subject to the satisfaction or waiver by Avago USA at or prior to the effective time of the merger of the following additional conditions:

Our obligation to effect the merger is subject to the satisfaction or waiver (in writing) by us at or prior to the effective time of the merger of the following additional conditions:

Termination

We and Avago USA may, by mutual written agreement, terminate the merger agreement and abandon the merger at any time prior to the effective time of the merger, whether before or after the adoption of the merger agreement by our stockholders.

Either Avago USA or we may also terminate the merger agreement at any time prior to the effective time of the merger if:

We may also terminate the merger agreement if:

requirements of the merger agreement described under “The Merger Agreement — No Solicitation of Acquisition Proposals” beginning on page 8284 (provided that we pay to Avago USA the termination fee of $200 million, in circumstances described under “The Merger Agreement — Termination Fees” beginning on page 92)94).

Avago USA may also terminate the merger agreement if:

For the purposes of the merger agreement, a “triggering event” shall be deemed to have occurred if: (i) our board of directors shall have effected a change of board recommendation; (ii) we shall have failed to include in this proxy statement our board of directors’ recommendation that our stockholders vote to adopt the merger agreement or a statement to the effect that our board of directors has determined that the merger is in the best interests of our stockholders; (iii) our board of directors shall have approved, endorsed or recommended an acquisition proposal; (iv) we shall have entered into any letter of intent or any other contract relating to an acquisition proposal, other than a confidentiality agreement permitted pursuant to the terms of our non-solicitation obligations under the merger agreement; (v) a tender or exchange offer relating to our securities shall have been commenced and we shall not have sent to our stockholders, within ten business days after the commencement of such tender or exchange offer, a statement disclosing that the Company recommends rejection of such tender or exchange offer; (vi) an acquisition proposal is publicly announced, and we fail to issue a press release reaffirming our board of directors’ recommendation that our stockholders vote to adopt the merger agreement within ten business days after such acquisition proposal is announced; or (vii) any of the Company, its subsidiaries or their representatives shall have breached in any material respect our non-solicitation obligations described in “The Merger Agreement — No Solicitation of Acquisition Proposals” on page 82.84.

Termination Fees

Company Termination Fee.    We will pay Avago USA a termination fee equal to $200 million if:

For purposes of these provisions, references to 15% in the definition of “acquisition proposal” are deemed to be references to 50%.

If the merger agreement is terminated under circumstances in which the Company termination fee is payable, Avago USA’s receipt of the Company termination fee and the payment of any amounts described in “The Merger Agreement — Expenses” on page 95,97, shall be the sole and exclusive remedy of Avago, Avago USA and Merger Sub against us and any of our former, current and future affiliates, assignees, stockholders, controlling persons, directors, officers, employees, agents, attorneys and other representatives, which we refer to as the Company parties, for any losses or damages arising from or relating to the merger agreement, any breach of any representation, warranty, covenant or agreement in the merger agreement or the failure of the merger to be consummated, and none of the Company parties shall have any further liability or obligation relating to or arising out of the merger agreement or the transactions contemplated thereby.

Avago Termination Fee.    Avago USA will pay us the Avago termination fee of $400 million if we terminate the merger agreement because:

Our right to receive the Avago termination fee is our and our subsidiaries’ sole and exclusive remedy against Avago, Avago USA, Merger Sub or any of their respective former, current or future affiliates, assignees, stockholders, controlling persons, directors, officers, employees, agents, attorneys and other Representatives, which we refer to as the Avago parties, and any of the debt financing or note financing sources and their respective affiliates, representative, successors and assigns, which we refer to as the lender group, for any losses and damages arising from or relating to the merger agreement or for any breach of any representation, warranty, covenant or agreement in the merger agreement or the failure of the merger to be consummated, and none of the Avago parties or members of the lender group shall have any further liability or obligation relating to or arising out of the merger agreement or the transactions contemplated thereby, except that Avago USA shall remain obligated for any expense reimbursement and indemnification obligations described in “The Merger Agreement — Indemnification; Directors’ and Officers’ Insurance” beginning on page 96.97.

If Avago, Avago USA or Merger Sub fails to consummate the merger for any or no reason or otherwise breaches the merger agreement or fails to perform thereunder, then our sole and exclusive remedy against Avago, Avago USA, Merger Sub or any member of the lender group for any breach, loss or damage is to terminate this Agreement and either (i) receive payment of the Avago termination fee and any other applicable amounts, upon payment of which, no person shall have any rights or claims against Avago, Avago USA or Merger Sub under the merger agreement, the financing documents, and none of Avago, Avago USA or Merger Sub shall have any further liability relating to or arising out of this merger agreement or the merger (including the financing thereof), or (ii) seek damages in respect of a willful, intentional and material breach of the merger agreement where the breaching party has knowledge that the action taken or not taken constitutes a breach of the merger agreement, which we refer to as a willful breach.

In no event shall we be allowed to seek any losses or damages from, or otherwise bring any legal proceeding against, Avago, Avago USA or Merger Sub in connection with the merger agreement or the merger, other than to recover (i) payment of the Avago termination fee, (ii) other applicable amounts or damages in respect of a willful breach by Avago, Avago USA or Merger Sub and (iii) other amounts related to Avago USA’s expense reimbursement and indemnification obligations described in “The Merger Agreement — Indemnification; Directors’ and Officers’ Insurance” beginning on page 96,97, if any.

While we may pursue both a grant of specific performance and either the payment of (i) the Avago termination fee or (ii) damages in respect of a willful breach by Avago, Avago USA or Merger Sub, under no circumstances shall the Company be permitted or entitled to receive both a grant of specific performance and monetary damages, including all or any portion of the Avago termination fee or damages in respect of a willful breach.

We, on behalf of ourselves and each of our stockholders, partners, members, affiliates, directors, officers, employees, controlling persons and other representatives, which we refer to as an LSI related party, agree that none of the lender group shall have any liability or obligation to any LSI related party in connection with the financing of any portion of the financing of the merger.

Expenses

In general, all expenses, including attorneys’ fees, incurred in connection with the merger agreement and the transactions contemplated therein shall be paid by the party incurring them, except that Avago USA and we will share equally all fees and expenses incurred in connection with filing the premerger notification and report forms relating to the merger under the HSR Act and the filing of any notice or other document under any applicable foreign antitrust law or regulation.

In the event that the Company termination fee or the Avago termination fee is payable, any amounts that either we or Avago USA are required to pay to the other party to ensure that fees incurred in connection with filing the premerger notification and report forms relating to the merger under the HSR Act and the filing of any notice or other document under any applicable foreign antitrust law or regulation are shared equally, are payable in addition to the Company termination fee or the Avago termination fee, as applicable.

Remedies

The parties are entitled to specific performance, including an injunction or injunctions to prevent breaches of the merger agreement and to enforce specifically the terms and provisions of the merger agreement, in addition to any other remedy to which they are entitled at law or in equity.

If the merger agreement is terminated under circumstances in which the Avago termination fee is paid to us, we will not be entitled to seek or obtain (i) specific performance to enforce the observance or performance of, (ii) an injunction restraining the breach of, or (iii) damages or any other remedy at law or in equity relating to any breach of, any covenant or obligation of Avago, Avago USA or Merger Sub.

If the merger agreement is terminated under circumstances in which the Company termination fee is paid to Avago USA, none of Avago, Avago USA or Merger Sub will be entitled to seek or obtain (i) specific performance to enforce the observance or performance of, (ii) an injunction restraining the breach of, or (iii) damages or any other remedy at law or in equity relating to any breach of, any of our covenants or obligations.

Subject to our right to seek specific performance of Avago’s and Avago USA’s obligation to enforce the debt commitment in accordance with merger agreement, the merger agreement allows us to obtain specific performance of Avago USA’s or Merger Sub’s obligation to consummate the merger only if each of the following conditions applicable to such demand for specific performance is satisfied:

Indemnification; Directors’ and Officers’ Insurance

Avago USA and Merger Sub agree that all rights to exculpation or indemnification for acts or omissions occurring prior to the consummation of the merger existing as of the date of the merger

agreement in favor of our and our subsidiaries’ current and former directors and officers and their heirs and personal representatives, each of which we refer to as a D&O Indemnitee, as provided in our or our subsidiaries’ respective articles or certificates of incorporation or bylaws, or comparable organizational or governing documents, or in any agreement between us or any of our subsidiaries and such D&O Indemnitee, shall survive the merger and shall continue in full force and effect in accordance with their terms following the merger. Avago USA will cause the surviving corporation to fulfill and honor such obligations to the fullest extent permitted by law.

For six years following the merger, Avago USA will, and will cause the surviving corporation and its subsidiaries to, cause the certificate of incorporation and bylaws (or comparable organizational or governing documents) of the surviving corporation and its subsidiaries to contain provisions with respect to indemnification and exculpation that are at least as favorable as the indemnification and exculpation provisions contained in our and our subsidiaries’ certificates of incorporation and bylaws (or comparable organizational or governing documents) immediately prior to the merger, and during such six-year period, such provisions shall not be amended or repealed in a manner that would adversely affect the rights of any D&O Indemnitee, except as required by law.

We are required to obtain and fully pay the premium for the non-cancellable extension of the directors’ and officers’ liability coverage of the Company’s existing directors’ and officers’ insurance policies and the Company’s existing fiduciary liability insurance policies in an amount and scope at least as favorable as the Company’s existing policies except that the cost of such policies may not exceed 250% of the last annual premium paid before the merger but if the annual premiums of such insurance coverage exceed this 250% cap, we must obtain a policy with the greatest coverage available for a cost not exceeding such amount.

These indemnification and directors’ and officers’ insurance requirements survive the consummation of the merger and are intended to be for the benefit of, and enforceable by, each D&O Indemnitee. The merger agreement shall not affect any indemnification rights that any such D&O Indemnitee may have under our or our subsidiaries’ certificate of incorporation or bylaws or any contract or under applicable law.

If the Company or the surviving corporation or any of their subsidiaries consolidates or merges with any other person and is not the surviving corporation or entity in such consolidation or merger, or transfers at least fifty percent (50%) of its properties and assets to any other person, then proper provision shall be made so that the continuing or surviving corporation or entity or transferee of such assets, shall assume these obligations with respect to indemnification and directors’ and officers’ insurance.

Access

Subject to certain exceptions, we will, upon reasonable notice, afford Avago USA and its authorized representatives reasonable access to the Company and furnish Avago USA information concerning our business, properties and personnel as may reasonably be requested.

Modification or Amendment

At any time prior to the effective time of the merger, the parties to the merger agreement may amend, modify or supplement the merger agreement by action taken or authorized by their respective boards of directors, whether before or after the stockholder approval has been obtained. However, if

ourifour stockholders have adopted the merger agreement, no amendment shall be made that pursuant to applicable law requires further approval or adoption by our stockholders without such further approval or adoption. In addition, certain provisions of the merger agreement may not be modified, waived or terminatedorterminated in a manner that impacts or is adverse in any respect to the rights of the commitment parties to the debt financing and the note financing without their prior written consent.Our board of directors unanimously recommends that you vote “FOR” the adoption of the merger agreement.

MARKET PRICE DATA AND DIVIDEND INFORMATION

The Company common stock has traded on the NASDAQ under the symbol “LSI” since December 19, 2012. Prior to that time, it traded on the New York Stock Exchange. The table below shows the high and low sales prices for the Company common stock as reported in the consolidated transaction reporting system for the fiscal quarters indicated.

The per share closing price of Company common stock on the NASDAQ on December 13, 2013, the last trading day prior to the public announcement of the merger agreement, was $7.91. On [                    ],March 7, 2014, the most recent practicable date before this proxy statement was made available to our stockholders, the per share closing price for Company common stock on the NASDAQ was $[        ].$11.08. You are encouraged to obtain current market quotations for Company common stock in connection with voting your shares of Company common stock.

On September 20, 2013, we paid a cash dividend of $0.03 per common share to stockholders of record as of September 6, 2013. On December 20, 2013, we paid a cash dividend of $0.03 per common share to stockholders of record as of December 6, 2013. In connection with the transactions contemplated by the merger agreement, we have discontinued our quarterly dividend after paying the cash dividend of $0.03 on December 20, 2013, and have discontinued repurchases of our common stock.

We did not pay cash dividends on our common stock in 2012 or 2011.

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The following table sets forth certain information with respect to the beneficial ownership of our common stock as of February 19, 2014 by:

The percentage ownership is based on 558,329,719 shares of common stock outstanding (net of treasury shares and non-voting restricted stock) on February 19, 2014. Shares of common stock that are subject to options currently exercisable or exercisable within 60 days of February 19, 2014 are deemed outstanding for the purpose of computing the percentage ownership of the person holding such options but are not deemed outstanding for computing the percentage ownership of any other person. Unless otherwise indicated in the footnotes following the table, the persons and entities named in the table have sole voting and sole investment power with respect to all shares beneficially owned, subject to community property laws where applicable.

(3)

As reported in Schedule 13G/A filed February 12, 2014 with the Securities and Exchange Commission by The Vanguard Group, Inc. The Vanguard Group, Inc. has sole voting power over 898,773 shares, sole dispositive power over 36,103,501 shares and shared dispositive power over 821,873 shares. The address for The Vanguard Group, Inc. is 100 Vanguard Blvd., Malvern, Pennsylvania 19355.

AUTHORITY TO ADJOURN THE SPECIAL MEETING (PROPOSAL NO. 2)

We may ask our stockholders to vote on a proposal to authorize our board of directors, in its discretion, to adjourn the special meeting to a later date or dates, if necessary, to solicit additional proxies if there are insufficient votes at the time of the meeting to adopt the merger agreement. We currently do not intend to propose that our board of directors have discretionary authority to adjourn the special meeting if there are sufficient votes to adopt the merger agreement. If any proposal to authorize our board of directors, in its discretion, to adjourn the special meeting for the purpose of soliciting additional proxies is submitted to our stockholders for approval, such approval requires the affirmative vote of the holders of a majority of the shares of our common stock present in person or represented by proxy and entitled to vote on the matter.

Our board of directors recommends that you vote “FOR” any proposal to authorize our board of directors, in its discretion, to adjourn the special meeting, if necessary, to solicit additional proxies.

LSI ADVISORY (NON-BINDING) PROPOSAL ON SPECIFIED COMPENSATION

(PROPOSAL NO. 3)

Section 14A of the Exchange Act, which was enacted as part of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, requires that we provide our stockholders with the opportunity to vote to approve, on an advisory non-binding basis, the “golden parachute” compensation arrangements for our named executive officers, as disclosed in the section of this proxy statement entitled “The Merger — Specified Compensation that may Become Payable to Our Named Executive Officers in Connection with the Merger” beginning on page 6264 of this proxy statement.

We are asking our stockholders to indicate their approval of the various change in control payments which our named executive officers will or may be eligible to receive in connection with the merger. These payments are set forth in the table included in the section of this proxy statement entitled “The Merger — Specified Compensation That May Become Payable to Our Named Executive Officers in Connection With the Merger” beginning on page 6264 and accompanying footnotes.

Accordingly we are seeking approval of the following resolution at the special meeting:

“RESOLVED, that the compensation that may be paid or become payable to LSI Corporation’s named executive officers in connection with the merger, as disclosed in the table in the section of the proxy statement entitled ‘The Merger — Specified Compensation That May Become Payable to Our Named Executive Officers in Connection With the Merger’ including the associated narrative discussion, is hereby APPROVED.”

The vote on this non-binding proposal regarding certain merger-related executive compensation arrangements is a vote separate and apart from the vote on the proposal to adopt the merger agreement and the proposal to adjourn the special meeting. Accordingly, you may vote “FOR” the proposal to adopt the merger agreement and the proposal to adjourn the special meeting and vote “AGAINST” or “ABSTAIN” for this non-binding proposal regarding certain merger-related executive compensation arrangements (and vice versa).

Because your vote is advisory, it will not be binding upon the Company, our board of directors, our board of directors’ compensation committee, Avago USA or any affiliate of Avago USA. Further, the underlying plans and arrangements are contractual in nature and not, by their terms, subject to stockholder approval. Accordingly, regardless of the outcome of the advisory vote, if the merger is consummated, our named executive officers will be eligible to receive the various change in control payments in accordance with the terms and conditions applicable to those payments and any future amendments thereto.

Our board of directors believes that the merger-related compensation arrangements of our named executive officers, as described in this proxy statement, are appropriate, and unanimously recommends that you vote “FOR” approval of the merger-related executive compensation arrangements for our named executive officers as described in this proxy statement.

APPRAISAL RIGHTS

Under the DGCL, you have the right to dissent from the merger and to receive payment in cash for the fair value of your common stock (exclusive of any element of value arising from the accomplishment or expectation of the merger) as determined by the Delaware Court of Chancery, together with a fair rate of interest, if any, as determined by the court, in lieu of the consideration you would otherwise be entitled to receive pursuant to the merger agreement. These rights are known as appraisal rights. The Company’s stockholders electing to exercise appraisal rights must comply with the provisions of Section 262 of the DGCL in order to perfect their rights. The Company will require strict compliance with the statutory procedures.

The following is intended as a brief summary of the material provisions of the Delaware statutory procedures required to be followed by a stockholder in order to dissent from the merger and perfect appraisal rights.

This summary, however, is not a complete statement of all applicable requirements and is qualified in its entirety by reference to Section 262 of the DGCL, the full text of which appears inAnnex C to this proxy statement. Failure to precisely follow any of the statutory procedures set forth in Section 262 of the DGCL may result in a termination or waiver of your appraisal rights.

Section 262 requires that stockholders be notified that appraisal rights will be available not less than 20 days before the stockholders’ meeting to vote on the merger. A copy of Section 262 must be included with such notice. This proxy statement constitutes the Company’s notice to its stockholders of the availability of appraisal rights in connection with the merger in compliance with the requirements of Section 262.

The Company’s stockholders who may wish to exercise their appraisal rights or may wish to preserve their right to do so should review Annex C carefully and in its entirety and should consult with their legal advisor, since failure to timely comply with the procedures set forth therein will result in the loss of such rights.

If you elect to demand appraisal of your shares, you must satisfy each of the following conditions: