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SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
February 12, 2016 SC 13G/A

NEWP / Newport Corporation / Senvest Management, LLC - VITESSE SEMICONDUCTOR CORPORATION Passive Investment

SC 13G/A 1 p16-0497sc13ga.htm VITESSE SEMICONDUCTOR CORPORATION SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497304 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this St

May 5, 2015 SC 13D/A

NEWP / Newport Corporation / KOPP INVESTMENT ADVISORS LLC - AMENDMENT NO. 16 TO SCHEDULE 13D Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 16)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

April 29, 2015 SC 13D/A

NEWP / Newport Corporation / GAMCO INVESTORS, INC. ET AL Activist Investment

SC 13D/A 1 vtss01.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $1 par value (Title of Class of Securities) 928497304 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address a

April 28, 2015 EX-99.(A)(5)(M)

Microsemi Successfully Completes Vitesse Tender Offer

EX-99.(a)(5)(M) Exhibit (a)(5)(M) FINANCIAL CONTACT: John W. Hohener Executive Vice President and CFO Phone: (949) 380-6100 INVESTOR CONTACT: Robert C. Adams Vice President of Corporate Development Phone: (949) 380-6100 Microsemi Successfully Completes Vitesse Tender Offer ALISO VIEJO, Calif. April 28, 2015?Microsemi Corporation (Nasdaq:MSCC) (?Microsemi?), a leading provider of semiconductor solu

April 28, 2015 SC TO-T/A

Microsemi SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 Amendment No. 6 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (N

April 21, 2015 SC TO-T/A

Microsemi SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 Amendment No. 5 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (N

April 16, 2015 SC 13D

NEWP / Newport Corporation / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $1 par value (Title of Class of Securities) 928497304 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized

April 16, 2015 SC TO-T/A

Microsemi SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 Amendment No. 4 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (N

April 13, 2015 EX-99.(A)(5)(K)

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE MARK DURBIN, Individually and on Behalf of All Others Similarly Situated, Plaintiff, v. C.A. No. - CHRISTOPHER R. GARDNER, EDWARD ROGAS JR., MATTHEW B. FREY, STEVEN P. HANSON, JAMES HUGAR, SCOT JARVIS

EX-99.(a)(5)(K) Exhibit (a)(5)(K) EFiled: Apr 08 2015 03:53PM EDT Transaction ID 57047231 Case No. 10891- IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE MARK DURBIN, Individually and on Behalf of All Others Similarly Situated, Plaintiff, v. C.A. No. - CHRISTOPHER R. GARDNER, EDWARD ROGAS JR., MATTHEW B. FREY, STEVEN P. HANSON, JAMES HUGAR, SCOT JARVIS, WILLIAM C. MARTIN, KENNETH H. TRAUB, LLIU1

April 13, 2015 EX-99.(A)(5)(L)

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE MERRILL DAVIDOFF, ) ) Plaintiff, ) ) v. ) ) VITESSE SEMICONDUCTOR ) Civil Action No. CORP., CHRISTOPHER R. ) GARDNER, EDWARD ROGAS JR. ) MATTHEW B. FREY, STEVE P. ) HANSON, JAMES H. HUGAR, ) SCOT JARV

EX-99.(a)(5)(L) IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE MERRILL DAVIDOFF, ) ) Plaintiff, ) ) v. ) ) VITESSE SEMICONDUCTOR ) Civil Action No. CORP., CHRISTOPHER R. ) GARDNER, EDWARD ROGAS JR. ) MATTHEW B. FREY, STEVE P. ) HANSON, JAMES H. HUGAR, ) SCOT JARVIS, WILLIAM C. ) MARTIN, KENNETH H. TRAUB, ) MICROSEMI CORP., and LLIU 100 ) ACQUISITION CORP., ) ) Defendants. ) ) ) VERIFIED CLASS A

April 13, 2015 EX-99.(A)(5)(I)

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE PATRICIA MROZ, On Behalf of ) Herself and All Others Similarly ) Situated, ) ) Plaintiff, ) ) v. ) Civil Action No. ) VITESSE SEMICONDUCTOR ) CORPORATION, CHRISTOPHER R. ) GARDNER, EDWARD ROGAS, JR.,

EX-99.(a)(5)(I) Exhibit (a)(5)(I) EFiled: Apr 02 2015 10:42AM EDT Transaction ID 57010169 Case No. 10867- IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE PATRICIA MROZ, On Behalf of ) Herself and All Others Similarly ) Situated, ) ) Plaintiff, ) ) v. ) Civil Action No. ) VITESSE SEMICONDUCTOR ) CORPORATION, CHRISTOPHER R. ) GARDNER, EDWARD ROGAS, JR., ) MATTHEW B. FREY, STEVEN P. ) HANSON, JAMES

April 13, 2015 EX-99.(A)(5)(J)

Microsemi EX-99.(A)(5)(J)

EX-99.(a)(5)(J) Exhibit (a)(5)(J) EFiled: Apr 07 2015 01:10PM EDT Transaction ID 57036690 Case No. 10881- IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE DEBBIE KOENIG, on behalf of herself ) and all others similarly situated, ) ) Plaintiff, ) ) Civil Action No. vs. ) ) VITESSE SEMICONDUCTOR ) CORPORATION, MICROSEMI ) CORPORATION, LLIU100 ) ACQUSITION CORP., CHRISTOPHER ) GARDNER, EDWARD ROGAS J

April 13, 2015 SC TO-T/A

Microsemi SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 Amendment No. 3 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (N

April 8, 2015 EX-99.(A)(5)(H)

Microsemi Announces Expiration of HSR Waiting Period for Vitesse Tender Offer

EX-99.(a)(5)(H) Exhibit (a)(5)(H) MICROSEMI FINANCIAL CONTACT: John W. Hohener, Executive Vice President and CFO Phone: (949) 380-6100 MICROSEMI INVESTOR CONTACT: Robert C. Adams, Vice President of Corporate Development Phone: (949) 380-6100 Microsemi Announces Expiration of HSR Waiting Period for Vitesse Tender Offer ALISO VIEJO, Calif.?April 8, 2015?Microsemi Corporation (Nasdaq:MSCC), a leading

April 8, 2015 SC TO-T/A

Microsemi SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 Amendment No. 2 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (N

April 2, 2015 SC TO-T/A

Microsemi SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 Amendment No. 1 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (N

March 31, 2015 EX-99.A.5.E

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE JEFFERSON MATTOX, Individually and On Behalf of All Others Similarly ) ) Situated, ) ) Plaintiff, ) C.A. No. ) V. ) ) CHRISTOPHER R. GARDNER, ) EDWARD ROGAS JR., MATTHEW ) B. FREY, STEVEN P. HANSON, )

EX-99.A.5.E Exhibit (a)(5)(E) EFiled: Mar 23 2015 07:46PM EDT Transaction ID 56962695 Case No. 10828- IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE JEFFERSON MATTOX, Individually and On Behalf of All Others Similarly ) ) Situated, ) ) Plaintiff, ) C.A. No. ) V. ) ) CHRISTOPHER R. GARDNER, ) EDWARD ROGAS JR., MATTHEW ) B. FREY, STEVEN P. HANSON, ) JAMES H. HUGAR, SCOT B. ) JARVIS, WILLIAM C. MA

March 31, 2015 EX-99.A.1.B

LETTER OF TRANSMITTAL To Tender Shares of Common Stock Vitesse Semiconductor Corporation $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporation THE OFFER

EX-99.A.1.B Exhibit (a)(1)(B) LETTER OF TRANSMITTAL To Tender Shares of Common Stock of Vitesse Semiconductor Corporation at $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 by LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporation THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF APRIL 27, 2015, UNLESS

March 31, 2015 EX-99.A.1.C

NOTICE OF GUARANTEED DELIVERY For Offer to Purchase All Outstanding Shares of Common Stock Vitesse Acquisition Corporation $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 LLIU100 Acquisition Corp. a wholly owned subsidiary

EX-99.A.1.C Exhibit (a)(1)(C) NOTICE OF GUARANTEED DELIVERY For Offer to Purchase All Outstanding Shares of Common Stock of Vitesse Acquisition Corporation at $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 by LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporation THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT

March 31, 2015 EX-99.A.1.E

Offer To Purchase For Cash All Outstanding Shares of Common Stock Vitesse Semiconductor Corporation $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporatio

EX-99.A.1.E Exhibit (a)(1)(E) Offer To Purchase For Cash All Outstanding Shares of Common Stock of Vitesse Semiconductor Corporation at $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 by LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporation THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF APRIL 27, 20

March 31, 2015 EX-99.A.5.G

VERIFIED CLASS ACTION COMPLAINT

Exhibit (a)(5)(G) EFiled: Mar 30 2015 03:53PM EDT Transaction ID 56995153 Case No.

March 31, 2015 EX-99.D.4

Microsemi EX-99.D.4

EX-99.D.4 Exhibit (d)(4) February 4, 2015 Microsemi Corporation One Enterprise Aliso Viejo, California, 92656 Ladies and Gentlemen: Reference is made to the non-disclosure agreement, dated March 13, 2013 (the ?NDA?), between Vitesse Semiconductor Corporation (?Vitesse?) and Microsemi Corporation (the ?Company?). Vitesse and the Company hereby agree to amend the NDA as provided in this letter agree

March 31, 2015 EX-99.D.5

February 23, 2015

EX-99.D.5 Exhibit(d)(5) February 23, 2015 PERSONAL AND CONFIDENTIAL Mr. Chris Gardner Chief Executive Officer Vitesse Semiconductor Corporation 741 Calle Plano Camarillo, CA 93012-8543 Chris, As a follow up to our previous letter, Microsemi would like to revise its previous offer and provide additional detail. Microsemi would like to move forward in pursuit of an acquisition of Vitesse Semiconduct

March 31, 2015 SC TO-T

Microsemi SC TO-T

SC TO-T UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) LLIU100 ACQUISITION CORP. (Offeror) A Wholly Owned Subsidiary of MICROSEMI CORPORATION (Parent of Offeror) (Names of Filing Per

March 31, 2015 EX-99.A.5.F

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE GEORGE GOWAN, individually and ) on behalf of all others similarly situated, ) ) Plaintiff, ) ) v. ) Civil Action No. ) VITESSE SEMICONDUCTOR CORP., ) CHRISTOPHER R. GARDNER, ) EDWARD ROGAS JR., MATTH

EX-99.A.5.F Exhibit (a)(5)(F) EFiled: Mar 27 2015 11:52AM EDT Transaction ID 56984995 Case No. 10841- IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE GEORGE GOWAN, individually and ) on behalf of all others similarly situated, ) ) Plaintiff, ) ) v. ) Civil Action No. ) VITESSE SEMICONDUCTOR CORP., ) CHRISTOPHER R. GARDNER, ) EDWARD ROGAS JR., MATTHEW ) B. FREY, STEVE P. HANSON, ) JAMES H. HUGAR,

March 31, 2015 EX-99.A.1.A

Offer To Purchase For Cash All Outstanding Shares of Common Stock Vitesse Semiconductor Corporation $5.28 NET PER SHARE LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporation THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00

Exhibit (a)(1)(A) Offer To Purchase For Cash All Outstanding Shares of Common Stock of Vitesse Semiconductor Corporation at $5.

March 31, 2015 EX-99.D.6

Microsemi Corporation One Enterprise, Aliso Viejo, California 92656 Telephone: 949.380.6100 Fax: 949.215.4996 www.microsemi.com

EX-99.D.6 Exhibit(d)(6) March 11, 2015 Mr. Chris Gardner Chief Executive Officer Vitesse Semiconductor Corporation 741 Calle Plano Camarillo, CA 93012-8543 Dear Mr. Gardner, Reference is hereby made to that letter between our companies dated February 23, 2015. We hereby agree that the Exclusivity Period referenced therein shall be extended so that it shall expire at 11:59 PM Pacific Time on March

March 31, 2015 EX-99.A.5.B

Notice of Offer to Purchase for Cash All Outstanding Shares of Common Stock Vitesse Semiconductor Corporation $5.28 Net Per Share LLIU100 Acquisition Corp. a Wholly Owned Subsidiary Microsemi Corporation

EX-99.A.5.B Exhibit (a)(5)(B) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Company Shares (as defined below). The Offer (as defined below) is made only by the Offer to Purchase, dated March 31, 2015 (as it may be amended or supplemented from time to time, the ?Offer to Purchase?), and the related Letter of Transmittal (as defined below) and any amendment

March 31, 2015 EX-99.A.1.D

Offer To Purchase For Cash All Outstanding Shares of Common Stock Vitesse Semiconductor Corporation $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporatio

EX-99.A.1.D Exhibit (a)(1)(D) Offer To Purchase For Cash All Outstanding Shares of Common Stock of Vitesse Semiconductor Corporation at $5.28 NET PER SHARE Pursuant to the Offer to Purchase dated March 31, 2015 by LLIU100 Acquisition Corp. a wholly owned subsidiary of Microsemi Corporation THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF APRIL 27, 20

March 31, 2015 EX-99.D.3

March 13, 2013

EX-99.D.3 Exhibit (d)(3) March 13, 2013 Microsemi Corporation One Enterprise Aliso Viejo California, 92656 Ladies and Gentlemen: In connection with a possible acquisition of Vitesse Semiconductor Corporation (?Vitesse?), its business and/or securities, by Microsemi Corporation (the ?Company?) and/or its subsidiaries (the ?Transaction?), we have each requested or may request (the ?Receiving Party?)

March 24, 2015 SC 13D

NEWP / Newport Corporation / Microsemi Corp - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) Under the Securities Exchange Act of 1934 Vitesse Semiconductor Corporation (Name of Issuer) COMMON STOCK, PAR VALUE $0.01 PER SHARE (Title of Class of Securities) 928497304 (CUSIP Number) David Goren, Esq. Senior Vice President and Chief Legal and Compliance Officer Microsemi Corporation One

March 20, 2015 SC 13D/A

VTSS / / Raging Capital Management, LLC - AMENDMENT NO. 11 TO THE SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 11)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497 30 4 (CUSIP Number) STEVE WOLOS

March 20, 2015 EX-99.2

POWER OF ATTORNEY

Exhibit 99.2 POWER OF ATTORNEY Know all by these presents, that the undersigned hereby constitutes and appoints Frederick C. Wasch signing singly, the undersigned’s true and lawful attorney-in-fact to: 1. Execute for and on behalf of the undersigned all documents relating to the business of Raging Capital Management, LLC including, but not limited to, all filings with the Securities and Exchange C

March 20, 2015 EX-99.1

TENDER AND SUPPORT AGREEMENT

EX-99.1 2 ex991to13da1107738020031715.htm TENDER AND SUPPORT AGREEMENT, DATED MARCH 17, 2015 Exhibit 99.1 TENDER AND SUPPORT AGREEMENT TENDER AND SUPPORT AGREEMENT (this “Agreement”) dated as of March 17 2015 between Microsemi Corporation, a Delaware corporation (“Parent”), LLIU100 Acquisition Corp., a Delaware corporation and wholly-owned subsidiary of Parent (“Purchaser”), and certain stockholde

March 19, 2015 SC TO-C

Microsemi SC TO-C

SC TO-C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (RULE 14d?100) Tender Offer Statement Pursuant to Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 VITESSE SEMICONDUCTOR CORPORATION (Name of Subject Company) LLIU100 ACQUISITION CORP. (Offeror) MICROSEMI CORPORATION (Parent of Offeror) (Names of Filing Persons) COMMON STOCK, $0.01 PAR VA

March 19, 2015 EX-99.1

Microsemi Corporation

EX-99.1 Exhibit 99.1 Microsemi Corporation NasdaqGS:MSCC Analyst/Investor Day Wednesday, March 18, 2015 1:00 PM GMT CALL PARTICIPANTS 2 PRESENTATION 3 QUESTION AND ANSWER 8 MICROSEMI CORPORATION ANALYST/INVESTOR DAY MAR 18, 2015 Call Participants EXECUTIVES Amr El-Ashmawi Worldwide Vice President of Strategic Marketing James J. Peterson Chairman, Chief Executive Officer and Chairman of Executive C

March 18, 2015 EX-2.1

AGREEMENT AND PLAN OF MERGER MICROSEMI CORPORATION, LLIU100 ACQUISITION CORP. VITESSE SEMICONDUCTOR CORPORATION Dated as of March 17, 2015 TABLE OF CONTENTS Page 1. DEFINITIONS 2 1.1 Definitions 2 2. THE OFFER 12 2.1 The Offer 12 2.2 Company Action 1

EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER Among MICROSEMI CORPORATION, LLIU100 ACQUISITION CORP. and VITESSE SEMICONDUCTOR CORPORATION Dated as of March 17, 2015 TABLE OF CONTENTS Page 1. DEFINITIONS 2 1.1 Definitions 2 2. THE OFFER 12 2.1 The Offer 12 2.2 Company Action 15 3. THE MERGER 17 3.1 The Merger 17 3.2 Effective Time; Closing 17 3.3 Effect of the Merger 17 3.4 Certificate of Incorp

March 18, 2015 SC TO-C

Microsemi 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2015 MICROSEMI CORPORATION (Exact name of registrant as specified in its charter) Delaware 0-8866 95-2110371 (State or other jurisdiction of incorporation) (Commission F

March 18, 2015 EX-99.2

Microsemi Corporation to Acquire Vitesse Semiconductor Corporation

EX-99.2 Exhibit 99.2 MICROSEMI FINANCIAL CONTACT: John W. Hohener Executive Vice President and CFO Phone: (949) 380-6100 MICROSEMI INVESTOR CONTACT: Robert C. Adams Vice President of Corporate Development Phone: (949) 380-6100 VITESSE FINANCIAL CONTACT: Marty McDermut CFO Phone: (805) 388-3700 Email: [email protected] VITESSE INVESTOR AND MEDIA CONTACT: Ronda Grech Vice President, Communications

March 18, 2015 EX-99.1

Welcome to

EX-99.1 Exhibit 99.1 Welcome to Microsemi?s Analyst Day New York, NY March 18, 2015 Disclaimer This presentation contains projections or other forward-looking statements regarding future events or the future financial performance of Microsemi Corporation. We wish to caution you that these statements are only predictions and that actual events or results may differ materially. We refer you to all o

March 18, 2015 EX-10.1

BANK OF AMERICA, N.A. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED One Bryant Park New York, NY 10036

EX-10.1 Exhibit 10.1 BANK OF AMERICA, N.A. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED One Bryant Park New York, NY 10036 March 17, 2015 Microsemi Corporation One Enterprise Aliso Viejo, CA 92656 Attention: John Hohener, Executive Vice President, CFO, Secretary and Treasurer Steve Litchfield, Executive Vice President and Chief Strategy Officer Project Waterloo Commitment Letter Ladies and G

March 18, 2015 EX-10.2

TENDER AND SUPPORT AGREEMENT

EX-10.2 Exhibit 10.2 TENDER AND SUPPORT AGREEMENT TENDER AND SUPPORT AGREEMENT (this ?Agreement?) dated as of March 17 2015 between Microsemi Corporation, a Delaware corporation (?Parent?), LLIU100 Acquisition Corp., a Delaware corporation and wholly-owned subsidiary of Parent (?Purchaser?), and certain stockholders of Vitesse Semiconductor Corporation, a Delaware corporation (the ?Company?), list

March 2, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2015 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

March 2, 2015 EX-10.1

AUTOMATIC EQUITY GRANT PROGRAM FOR ELIGIBLE DIRECTORS UNDER THE VITESSE SEMICONDUCTOR CORPORATION 2015 INCENTIVE PLAN

Exhibit 10.1 AUTOMATIC EQUITY GRANT PROGRAM FOR ELIGIBLE DIRECTORS UNDER THE VITESSE SEMICONDUCTOR CORPORATION 2015 INCENTIVE PLAN The following provisions set forth the terms of the Automatic Equity Grant Program (the “Program”) for eligible directors of Vitesse Semiconductor Corporation (the “Company”) under the Company’s 2015 Incentive Plan (the “Plan”). In the event of any inconsistency betwee

February 26, 2015 S-8

VTSS / S-8 - - S-8

As filed with the Securities and Exchange Commission on February 26, 2015 Registration No.

February 26, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 a15-532118k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2015 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation

February 26, 2015 EX-99.1

Annual Meeting of Stockholders Realization of Ethernet Everywhere Chris Gardner, CEO February 2015

Exhibit 99.1 Annual Meeting of Stockholders Realization of Ethernet Everywhere Chris Gardner, CEO February 2015 This presentation contains forward-looking statements relating to Vitesse Semiconductor Corporation’s anticipated revenues, revenue growth, margins, operating expenses, market opportunity, and future financial performance. These forward-looking statements are based on our current expecta

February 26, 2015 EX-10.1

VITESSE SEMICONDUCTOR CORPORATION 2015 INCENTIVE PLAN SECTION 1. PURPOSE

EXHIBIT 10.1 VITESSE SEMICONDUCTOR CORPORATION 2015 INCENTIVE PLAN SECTION 1. PURPOSE The purpose of the Vitesse Semiconductor Corporation 2015 Incentive Plan is to attract, retain and motivate employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its Related Companies by providing them the opportunity to acquire a proprietary interest in the

February 17, 2015 SC 13G/A

NEWP / Newport Corporation / Senvest Management, LLC - VITESSE SEMICONDUCTOR CORP Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497304 (CUSIP Number) December 31, 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuan

February 3, 2015 EX-99.1

Vitesse Reports First Quarter Fiscal Year 2015 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA www.vitesse.com www.lhai.com 1.805.388.3700 1.415.433.3777 [email protected] [email protected] Vitesse Reports First Quarter Fiscal Year 2015 Results • Revenues of $24.8 million • New product revenue of $16.2 million, representing 82% year-to-year growth and 68% of total produc

February 3, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2015 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

February 3, 2015 EX-10.1

Fiscal Year 2015 Executive Bonus Plan

EXHIBIT 10.1 Fiscal Year 2015 Executive Bonus Plan 1.PURPOSE OF PLAN The purpose of this Vitesse Semiconductor Corporation Fiscal Year 2015 Executive Bonus Plan (this “Plan”) is to provide members of the executive staff (“Executive”) of Vitesse Semiconductor Corporation, a Delaware corporation, (the “Corporation”) with the opportunity to earn incentive bonuses based on (a) the executive’s achievem

February 3, 2015 10-Q

VTSS / 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2014 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31614 VITESSE SEMICONDUCTO

January 14, 2015 DEF 14A

VTSS / DEF 14A - - DEF 14A

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. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Defin

December 4, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

December 4, 2014 EX-99.1

Vitesse Reports Fourth Quarter and Fiscal Year 2014 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA www.vitesse.com www.lhai.com 1.805.388.3700 1.415.433.3777 [email protected] [email protected] Vitesse Reports Fourth Quarter and Fiscal Year 2014 Results • Growth in New Product Revenues of 11% Sequentially and 73% Year-over-Year, Driven by Ethernet Everywhere Strategy, Repres

November 5, 2014 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 30, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

October 10, 2014 EX-10.1

EMPLOYMENT AGREEMENT

EMPLOYMENT AGREEMENT This Employment Agreement (“Agreement”) is entered into as of October 7, 2014 (“Effective Date”), by and between Vitesse Semiconductor Corporation, a Delaware corporation (“Vitesse”), and Christopher R.

October 10, 2014 EX-10.2

EMPLOYMENT AGREEMENT

EMPLOYMENT AGREEMENT This Employment Agreement (this "Agreement") is entered into as of October 7, 2014 ("Effective Date"), by and between Vitesse Semiconductor Corporation, a Delaware corporation ("Vitesse"), and Martin McDermut (the "Executive") and is intended to supersede and replace the Employment Agreement, dated as of July 27, 2011, between Vitesse and Executive, as such agreement has been amended to date (as amended, the "Prior Agreement").

October 10, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 7, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commis

September 5, 2014 SC 13D/A

NEWP / Newport Corporation / KOPP INVESTMENT ADVISORS LLC - AMENDMENT NO. 15 TO SCHEDULE 13D Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 15)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

August 27, 2014 SC 13D/A

VTSS / / Raging Capital Management, LLC - AMENDMENT NO. 10 TO THE SCHEDULE 13D Activist Investment

SC 13D/A 1 sc13da100773802008262014.htm AMENDMENT NO. 10 TO THE SCHEDULE 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 10)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 pa

August 26, 2014 EX-99.1

Vitesse Adds William C. Martin to Board of Directors

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA www.vitesse.com www.lhai.com 1.805.388.3700 1.415.433.3777 [email protected] [email protected] Vitesse Adds William C. Martin to Board of Directors CAMARILLO, Calif. – August 26, 2014 – Vitesse Semiconductor Corporation (Nasdaq: VTSS), a leading provider of advanced IC solution

August 26, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 20, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commis

August 5, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commiss

August 5, 2014 EX-99.1

Vitesse Reports Third Quarter Fiscal Year 2014 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA www.vitesse.com www.lhai.com 1.805.388.3700 1.415.433.3777 [email protected] [email protected] Vitesse Reports Third Quarter Fiscal Year 2014 Results • Net revenues totaled $27.2 million, an increase of 6% sequentially • New product revenue of $13.9 million, an increase of 21%

June 17, 2014 EX-99.1

Vitesse Closes $28.7 Million Public Offering of Its Common Stock

Exhibit 99.1 For Immediate Release Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Closes $28.7 Million Public Offering of Its Common Stock CAMARILLO, Calif. – June 17, 2014 – Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced the closing of an underwritten public offeri

June 17, 2014 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commissi

June 12, 2014 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commissi

June 12, 2014 424B5

7,462,675 Shares Vitesse Semiconductor Corporation Common Stock

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.

June 12, 2014 EX-99.2

Vitesse Prices Underwritten Public Offering of Common Stock

EX-99.2 5 a14-151023ex99d2.htm EX-99.2 Exhibit 99.2 For Immediate Release Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Prices Underwritten Public Offering of Common Stock CAMARILLO, Calif. — June 12, 2014 — Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced the pricin

June 12, 2014 EX-1.1

- EX-1.1

Exhibit 1.1 EXECUTION VERSION 7,462,675 Shares* VITESSE SEMICONDUCTOR CORPORATION Common Stock UNDERWRITING AGREEMENT June 12, 2014 NEEDHAM & COMPANY, LLC As Representative of the several Underwriters c/o Needham & Company, LLC 445 Park Avenue New York, New York 10022 Ladies and Gentlemen: Vitesse Semiconductor Corporation, a Delaware corporation (the “Company”), proposes to issue and sell 7,462,6

June 12, 2014 EX-99.1

Vitesse Announces Proposed Public Offering of Common Stock

Exhibit 99.1 For Immediate Release Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Announces Proposed Public Offering of Common Stock CAMARILLO, Calif. — June 11, 2014 — Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced that it is offering to sell shares of its common s

June 11, 2014 424B5

SUBJECT TO COMPLETION, DATED JUNE 11, 2014

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.

May 29, 2014 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT VITESSE SEMICONDUCTOR CORPORATION (Exact name of registrant as specified in charter) Delaware 1-31614 77-0138960 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 4721 Calle Carga Camarillo, California 93012 (Addres

May 29, 2014 EX-1.01

VITESSE SEMICONDUCTOR CORPORATION CONFLICT MINERALS REPORT For The Year Ended December 31, 2013

Exhibit 1.01 VITESSE SEMICONDUCTOR CORPORATION CONFLICT MINERALS REPORT For The Year Ended December 31, 2013 This Conflict Minerals Report (this “Report”) of Vitesse Semiconductor Corporation (“Vitesse”) for the year ended December 31, 2013 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934 (the “Rule”). Certain terms in this Report are defined in the Rule and the rea

May 14, 2014 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commission

May 14, 2014 EX-3.2

AMENDMENT NO. 1 TO AMENDED AND RESTATED BYLAWS OF VITESSE SEMICONDUCTOR CORPORATION

Exhibit 3.2 AMENDMENT NO. 1 TO AMENDED AND RESTATED BYLAWS OF VITESSE SEMICONDUCTOR CORPORATION The Amended and Restated Bylaws (the “Bylaws”) of Vitesse Semiconductor Corporation, a Delaware corporation (the “Corporation”), are hereby amended as follows: 1. Section 2.08 of Article 2 of the Bylaws is amended and restated in its entirety to read as follows: “Section 2.08. Conduct and Notice of Busi

May 6, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commission

May 6, 2014 EX-99.1

Vitesse Reports Second Quarter Fiscal Year 2014 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Kirsten Chapman Vitesse Semiconductor LHA www.vitesse.com www.lhai.com 1.805.388.3700 1.415.433.3777 [email protected] [email protected] Vitesse Reports Second Quarter Fiscal Year 2014 Results • Net revenues totaled $25.6 million, increase of 3% from the second quarter last year • New product revenue of $11.5 million,

March 14, 2014 SC 13D/A

NEWP / Newport Corporation / KOPP INVESTMENT ADVISORS LLC Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 14)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

March 3, 2014 CORRESP

-

March 3, 2014 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Ms. Cecilia Blye Chief, Office of Global Security Risk Re: Vitesse Semiconductor Corporation Form 10-K for Fiscal Year Ended September 30, 2013 Filed December 5, 2013 File No. 1-31614 Ladies and Gentlemen: Provided below are the responses of Vitesse S

February 28, 2014 S-8

- S-8

As filed with the Securities and Exchange Commission on February 28, 2014 Registration No.

February 21, 2014 EX-10.1

VITESSE SEMICONDUCTOR CORPORATION AMENDED AND RESTATED 2011 EMPLOYEE STOCK PURCHASE PLAN

Exhibit 10.1 VITESSE SEMICONDUCTOR CORPORATION AMENDED AND RESTATED 2011 EMPLOYEE STOCK PURCHASE PLAN The Vitesse Semiconductor Corporation 2011 Employee Stock Purchase Plan is comprised of two sub-plans as set forth below, each of which is intended to constitute a separate offering: The Vitesse Semiconductor Corporation U.S. Employee Stock Purchase Plan and the Vitesse Semiconductor Corporation I

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 POS AM

- POS AM

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 19, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 POS AM

- POS AM

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 POS AM

- POS AM

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 POS AM

- POS AM

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 POS AM

- POS AM

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 21, 2014 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on February 21, 2014 Registration No.

February 14, 2014 SC 13G/A

NEWP / Newport Corporation / PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. - SC 13G/AMENDMENT NO. 1 Passive Investment

SC 13G/A 1 d674922dsc13ga.htm SC 13G/AMENDMENT NO. 1 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A (Amendment No. 1) (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of S

February 13, 2014 SC 13G/A

EBIX / Ebix, Inc. / WHITEBOX ADVISORS LLC - SCHEDULE 13G AMENDMENT NO.7 Passive Investment

Schedule 13G Amendment No.7 OMB APPROVAL OMB Number: 3235-0145 Expires: Estimated average burden hours per response.......................... 10 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.7 )* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928497106 (CUS

February 13, 2014 SC 13G/A

NEWP / Newport Corporation / Senvest Management, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

February 4, 2014 EX-99.1

Vitesse Reports First Quarter Fiscal Year 2014 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Becky Herrick Vitesse Semiconductor LHA www.vitesse.com www.lhai.com +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports First Quarter Fiscal Year 2014 Results · Net revenues totaled $27.1 million including $2.2 million from intellectual property · Product gross margins improved 5.3% seq

February 4, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 4, 2014 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

January 31, 2014 SC 13D/A

VTSS / / Raging Capital Management, LLC - AMENDMENT NO. 9 TO THE SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 9)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497 30 4 (CUSIP Number) STEVE WOLOSK

January 31, 2014 EX-99.1

POWER OF ATTORNEY

Exhibit 99.1 POWER OF ATTORNEY Know all by these presents, that the undersigned hereby constitutes and appoints Frederick C. Wasch signing singly, the undersigned’s true and lawful attorney-in-fact to: 1. Execute for and on behalf of the undersigned all documents relating to the business of Raging Capital Management, LLC including, but not limited to, all filings with the Securities and Exchange C

January 22, 2014 POS AM

- POS AM

As filed with the Securities and Exchange Commission on January 22, 2014 Registration No.

January 10, 2014 SC 13D/A

NEWP / Newport Corporation / KOPP INVESTMENT ADVISORS LLC - SCHEDULE 13D AMENDMENT NO. 13 Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 13)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

December 24, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 23, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

December 23, 2013 DEF 14A

- DEF 14A

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. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Defin

December 6, 2013 EX-12.1

Vitesse Semiconductor Corporation

Exhibit 12.1 Vitesse Semiconductor Corporation Statement Regarding Computation of Ratios of Earnings to Fixed Charges and Earnings to Combined Fixed Charges and Preferred Stock Dividend Years Ended September 30, 2013 2012 2011 2010 2009 Earnings (loss) before fixed charges (1): (in thousands) Earnings (loss) from continuing operations before cumulative effect of accounting change and before income

December 6, 2013 EX-4.6

VITESSE SEMICONDUCTOR CORPORATION, [TRUSTEE], TRUSTEE DATED AS OF [___], 201___ SENIOR DEBT SECURITIES

EXHIBIT 4.6 VITESSE SEMICONDUCTOR CORPORATION, ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF [], 201 SENIOR DEBT SECURITIES TABLE OF CONTENTS (1) ARTICLE I DEFINITIONS 1 Section 1.01 Definitions of Terms 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 4 Section 2.01 Designation and Terms of Securities 4 Section 2.02 Form of Securities and Trustee’s

December 6, 2013 EX-4.4

COMMON STOCK

Exhibit 4.4 VITESSE COMMON STOCK THIS CERTIFICATE IS TRANSFERABLE IN CANTON, MA AND NEW YORK, NY Certificate Number Shares VITESSE SEMICONDUCTOR CORPORATION INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE This is to Certify that *** CUSIP 928497 30 4 SEE REVERSE FOR CERTAIN DEFINITIONS is the record holder of *** TRANSFER OF THIS CERTIFICATE IS RESTRICTED SEE LEGEND ON REVERSE SIDE FULLY PAID

December 6, 2013 S-3

- S-3

Table of Contents As filed with the Securities and Exchange Commission on December 6, 2013 Registration No.

December 5, 2013 EX-99.1

Vitesse Reports Fourth Quarter and Fiscal Year 2013 Results

Exhibit 99.1 For Immediate Release Company Contact: Agency Contact: Marty McDermut Becky Herrick Vitesse Semiconductor LHA www.vitesse.com www.lhai.com +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports Fourth Quarter and Fiscal Year 2013 Results · New product revenue grew 14% sequentially and 82% year-to-year · New product revenue represented 33% of product revenue f

December 5, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 (Commission File

November 7, 2013 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

November 7, 2013 EX-10.1

THIRD AMENDMENT TO LOAN AGREEMENT

Exhibit 10.1 EXECUTION COPY THIRD AMENDMENT TO LOAN AGREEMENT THIS THIRD AMENDMENT TO LOAN AGREEMENT (this “Amendment”) is entered into as of November 5, 2013, among VITESSE SEMICONDUCTOR CORPORATION, a Delaware corporation (the “Borrower”), the other Loan Parties (as defined below), and WHITEBOX VSC LTD., a British Virgin Islands business company (the “Agent”). Capitalized terms used herein and n

November 7, 2013 EX-10.2

(Signatures on Following Page)

Exhibit 10.2 November 5, 2013 Vitesse Semiconductor Corporation 741 Calle Plano Camarillo, CA 93012 Attention: Martin S. McDermut Chief Financial Officer Re: Note Purchase Agreement Ladies and Gentlemen: This letter will confirm your agreement to purchase (the “Note Purchase”) from the undersigned (the “Holder”), $[ ] principal amount of 8.00% convertible second lien debentures due 2014 (referred

August 9, 2013 SC 13G

NEWP / Newport Corporation / Senvest Management, LLC Passive Investment

SC 13G 1 d140562213g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497304 (CUSIP Number) August 7, 2013 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

August 6, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 (Commission File Nu

August 6, 2013 EX-99.1

Vitesse Reports Third Quarter Fiscal Year 2013 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports Third Quarter Fiscal Year 2013 Results · Net revenue totaled $26.4 million, growing 7% sequentially · New product revenue represented 29% of total revenue · Strengthened balance sheet with net pr

July 19, 2013 SC 13G

NEWP / Newport Corporation / Senvest Management, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

June 28, 2013 SC 13D/A

NEWP / Newport Corporation / KOPP INVESTMENT ADVISORS LLC Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 12)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

June 25, 2013 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commissi

June 25, 2013 EX-99.1

###

Exhibit 99.1 Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Closes $40.2 Million Public Offering of Its Common Stock CAMARILLO, Calif. — June 25, 2013 – Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced the closing of an underwritten public offering for 18,720,000 share

June 24, 2013 SC 13D/A

VTSS / / Raging Capital Management, LLC Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 8)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497 30 4 (CUSIP Number) STEVE WOLOSK

June 20, 2013 EX-99.1

Vitesse Announces Proposed Public Offering of Common Stock

Exhibit 99.1 For Immediate Release Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Announces Proposed Public Offering of Common Stock CAMARILLO, Calif. – June 19, 2013 – Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced that it is offering to sell shares of its common st

June 20, 2013 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 19, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commissi

June 20, 2013 424B5

16,300,000 Shares Vitesse Semiconductor Corporation Common Stock

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.

June 20, 2013 EX-1.1

16,300,000 Shares* VITESSE SEMICONDUCTOR CORPORATION Common Stock UNDERWRITING AGREEMENT

Exhibit 1.1 EXECUTION VERSION 16,300,000 Shares* VITESSE SEMICONDUCTOR CORPORATION Common Stock UNDERWRITING AGREEMENT June 19, 2013 NEEDHAM & COMPANY, LLC As Representative of the several Underwriters c/o Needham & Company, LLC 445 Park Avenue New York, New York 10022 Ladies and Gentlemen: Vitesse Semiconductor Corporation, a Delaware corporation (the “Company”), proposes to issue and sell 16,300

June 20, 2013 EX-99.2

Vitesse Prices Underwritten Public Offering of Common Stock

Exhibit 99.2 For Immediate Release Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Prices Underwritten Public Offering of Common Stock CAMARILLO, Calif. – June 19, 2013 – Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced the pricing of an underwritten public offering of

June 19, 2013 424B5

SUBJECT TO COMPLETION, DATED JUNE 19, 2013

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.

June 6, 2013 SC 13D/A

NEWP / Newport Corporation / KOPP INVESTMENT ADVISORS LLC Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 11)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

May 7, 2013 EX-99.1

Vitesse Reports Second Quarter Fiscal Year 2013 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports Second Quarter Fiscal Year 2013 Results • New product revenue grew 44% sequentially, representing 29% of total revenue • Net revenues totaled $24.8 million • Operating expenses reduced to $17.3 m

May 7, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commission

April 16, 2013 CORRESP

-

April 16, 2013 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 450 Fifth Street, N.

March 8, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commissi

March 8, 2013 EX-10.1

VITESSE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN SECTION 1. PURPOSE

Ex 10.1 VITESSE SEMICONDUCTOR CORPORATION 2013 INCENTIVE PLAN SECTION 1. PURPOSE The purpose of the Vitesse Semiconductor Corporation 2013 Incentive Plan is to attract, retain and motivate employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its Related Companies by providing them the opportunity to acquire a proprietary interest in the Compa

March 8, 2013 S-8

- S-8

As filed with the Securities and Exchange Commission on March 8, 2013 Registration No.

February 14, 2013 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock, $0.01 par value, of Vitesse Semiconductor Corporation, a Delaware corporation, and further agre

February 14, 2013 SC 13G/A

NEWP / Newport Corporation / AQR CAPITAL MANAGEMENT LLC - AQR CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock and Convertible Bonds (Title of Class of Securities) 928497304 (CUSIP Number) December 31, 2012 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate

February 14, 2013 SC 13G

NEWP / Newport Corporation / PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. - SC 13G Passive Investment

SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.

February 14, 2013 SC 13G/A

VTSS / / ARISTEIA CAPITAL LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Amendment No. 3 Under the Securities Exchange Act of 1934 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497106 (CUSIP Number) 12/31/12 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

February 14, 2013 SC 13G/A

EBIX / Ebix, Inc. / WHITEBOX ADVISORS LLC - SCHEDULE 13G AMENDMENT NO. 6 Passive Investment

Schedule 13G Amendment No. 6 OMB APPROVAL OMB Number: 3235-0145 Expires: Estimated average burden hours per response 11.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928497106 (CUSIP Number) December 31,

February 8, 2013 DEFA14A

- DEFA14A

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 Filed by the Registrant T Filed by a Party Other than the Registrant £ Check the appropriate box: £ Preliminary Proxy Statement £ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) £ Definitive Proxy State

February 5, 2013 EX-99.1

Vitesse Reports First Quarter Fiscal Year 2013 Results

Exhibit 99.1 Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports First Quarter Fiscal Year 2013 Results • New product revenue on track to exceed 30% of revenue in fiscal year 2013 • Net revenues totaled $25.7 million for first quarter of fiscal year 2013 • Strengthened capital structure with $17

February 5, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

February 4, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 30, 2013 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

January 25, 2013 SC 13D/A

VTSS / / Raging Capital Management, LLC - AMENDMENT NO. 7 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2(a) (Amendment No. 7)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497 30 4 (CUSIP Number) STEVE WOLOSK

January 17, 2013 SC 13D/A

VTSS / / Raging Capital Management, LLC - AMENDMENT NO. 6 Activist Investment

SC 13D/A 1 sc13da60773802001152013.htm AMENDMENT NO. 6 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 6)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class

January 17, 2013 EX-99.1

Joint Filing Agreement

Exhibit 99.1 Joint Filing Agreement In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to securities of Vitesse Semiconductor Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such

January 15, 2013 DEF 14A

- DEF 14A

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. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Defin

January 4, 2013 EX-99.1

POWER OF ATTORNEY

Exhibit 99.1 POWER OF ATTORNEY Know all by these presents, that the undersigned hereby constitutes and appoints Frederick C. Wasch signing singly, the undersigned’s true and lawful attorney-in-fact to: 1. Execute for and on behalf of the undersigned all documents relating to the business of Raging Capital Management, LLC including, but not limited to, all filings with the Securities and Exchange C

January 4, 2013 SC 13D/A

VTSS / / Raging Capital Management, LLC - AMENDMENT NO. 5 TO THE SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2(a) (Amendment No. 5)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 928497 30 4 (CUSIP Number) STEVE WOLOSK

December 21, 2012 SC 13D/A

VTSS / / KOPP INVESTMENT ADVISORS LLC Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10)* VITESSE SEMICONDUCTOR CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 928497106 (CUSIP Number) John P. Flakne Kopp Investment Advisors, LLC 8400 Normandale Lake Boulevard, Suite 1450 Bloomington, MN 55437 (952) 841-0400 Copy to: Christopher M

December 21, 2012 8-K

Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

December 13, 2012 8-K

Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

December 11, 2012 SC 13D/A

NEWP / Newport Corporation / Raging Capital Management, LLC - AMENDMENT NO. 4 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 4)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497304 (CUSIP Number) STEV

December 7, 2012 EX-99.1

Vitesse Announces Proposed Public Offering of Common Stock

Exhibit 99.1 For Immediate Release Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Announces Proposed Public Offering of Common Stock CAMARILLO, Calif. – December 6, 2012 – Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced that it is offering to sell shares of its common

December 7, 2012 EX-1.1

- EX-1.1

Exhibit 1.1 EXECUTION VERSION 10,000,000 Shares* VITESSE SEMICONDUCTOR CORPORATION Common Stock UNDERWRITING AGREEMENT December 7, 2012 NEEDHAM & COMPANY, LLC As Representative of the several Underwriters c/o Needham & Company, LLC 445 Park Avenue New York, New York 10022 Ladies and Gentlemen: Vitesse Semiconductor Corporation, a Delaware corporation (the “Company”), proposes to issue and sell 10,

December 7, 2012 EX-99.2

- EX-99.2

Exhibit 99.2 For Immediate Release Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse Semiconductor LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Prices Underwritten Public Offering of Common Stock CAMARILLO, Calif. — December 7, 2012 — Vitesse Semiconductor Corporation (NASDAQ: VTSS) today announced the pricing of an underwritten public offering

December 7, 2012 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

December 7, 2012 424B5

10,000,000 Shares

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.

December 6, 2012 424B5

SUBJECT TO COMPLETION, DATED DECEMBER 6, 2012

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No.

December 4, 2012 EX-99.1

Vitesse Reports Operating Profitability for the Fourth Quarter and Fiscal Year 2012

Exhibit 99.1 Company Contact: Agency Contact: Marty McDermut Cathy Mattison Vitesse LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports Operating Profitability for the Fourth Quarter and Fiscal Year 2012 • Grew new product revenue 19% sequentially and 111% year-to-year • Increased operating income more than $12 million year-to-year • Increased cash balance 38% year

December 4, 2012 SC 13D/A

NEWP / Newport Corporation / Raging Capital Management, LLC - AMENDMENT NO. 3 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 3)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497304 (CUSIP Number) STEV

December 4, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 28, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

November 21, 2012 EX-99.2

RAGING CAPITAL MANAGEMENT, LLC Ten Princeton Avenue Rocky Hill, NJ 08553

Exhibit 99.2 RAGING CAPITAL MANAGEMENT, LLC Ten Princeton Avenue Rocky Hill, NJ 08553 November 20, 2012 Paul K. McWilliams P.O. Box 25712 Overland Park, KS 66225 Re: Vitesse Semiconductor Corporation Dear Paul: Thank you for agreeing to serve as a nominee for election to the Board of Directors of Vitesse Semiconductor Corporation (the “Company”) in connection with the proxy solicitation that Ragin

November 21, 2012 SC 13D/A

NEWP / Newport Corporation / Raging Capital Management, LLC - AMENDMENT NO. 2 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 2)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497304 (CUSIP Number) STEV

November 21, 2012 EX-99.3

RAGING CAPITAL MANAGEMENT, LLC Ten Princeton Avenue Rocky Hill, NJ 08553

Exhibit 99.3 RAGING CAPITAL MANAGEMENT, LLC Ten Princeton Avenue Rocky Hill, NJ 08553 November 20, 2012 Kenneth H. Traub 116 Village Boulevard, Suite 200 Princeton, NJ 08540 Re: Vitesse Semiconductor Corporation Dear Ken: Thank you for agreeing to serve as a nominee for election to the Board of Directors of Vitesse Semiconductor Corporation (the “Company”) in connection with the proxy solicitation

November 21, 2012 EX-99.4

Raging Capital Management, LLC

Exhibit 99.4 Raging Capital Management, LLC Ten Princeton Avenue Rocky Hill, NJ 08553 November 20, 2012 Paul K. McWilliams P.O. Box 25712 Overland Park, KS 66225 Re: Vitesse Semiconductor Corporation Dear Paul: This letter sets forth our mutual agreement with respect to compensation to be paid to you for your agreement to be named and serve as a nominee of Raging Capital Fund, LP on behalf of itse

November 21, 2012 EX-99.5

Raging Capital Management, LLC Ten Princeton Avenue Rocky Hill, NJ 08553

Exhibit 99.5 Raging Capital Management, LLC Ten Princeton Avenue Rocky Hill, NJ 08553 November 20, 2012 Kenneth H. Traub c/o Ethos Management LLC 116 Village Boulevard, Suite 200 Princeton, NJ 08540 Re: Vitesse Semiconductor Corporation Dear Ken: This letter sets forth our mutual agreement with respect to compensation to be paid to you for your agreement to be named and serve as a nominee of Ragin

November 21, 2012 EX-99.1

JOINT FILING AND SOLICITATION AGREEMENT

Exbibit 99.1 JOINT FILING AND SOLICITATION AGREEMENT WHEREAS, certain of the undersigned are stockholders, direct or beneficial, of Vitesse Semiconductor Corporation, a Delaware corporation (the “Company”); WHEREAS, Raging Capital Fund, LP, a Delaware limited partnership (“Raging Capital Fund”), Raging Capital Fund (QP), LP, a Delaware limited partnership (“Raging Capital Fund QP”), Raging Capital

November 19, 2012 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 19, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

August 7, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commiss

July 30, 2012 SC 13D/A

NEWP / Newport Corporation / Raging Capital Management, LLC - AMENDMENT NO. 1 TO THE SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 1)1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497304 (CUSIP Number) STEV

June 27, 2012 SC 13D

NEWP / Newport Corporation / Raging Capital Management, LLC - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. )1 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497304 (CUSIP Number) STEVE

June 27, 2012 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D originally filed on June 27, 2012 (including amendments thereto) with respect to the shares of Common Stock, par value $0.01 per share, of Vitesse Semiconductor

June 27, 2012 EX-99.2

POWER OF ATTORNEY

Exhibit 99.2 POWER OF ATTORNEY Know all by these presents, that each of the undersigned hereby constitutes and appoints Frederick C. Wasch signing singly, the undersigned's true and lawful attorney-in-fact to: 1. Execute for and on behalf of the undersigned all documents relating to the business of Raging Capital Management, LLC, Raging Capital Fund, LP and Raging Capital Fund (QP), LP, including,

May 18, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 18, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commissio

May 14, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commission

May 14, 2012 EX-99.1

Vitesse Appoints Scot Jarvis to Its Board of Directors

Exhibit 99.1 Company Contact: Agency Contact: Marty McDermut Mary Magnani Vitesse LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Appoints Scot Jarvis to Its Board of Directors CAMARILLO, Calif. - May 10, 2012 - Vitesse Semiconductor Corporation (NASDAQ: VTSS), a leading provider of advanced IC solutions for Carrier and Enterprise networks, announced that it has appoin

May 8, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commission

May 8, 2012 EX-99.1

Vitesse Reports Second Quarter Fiscal Year 2012 Results

Exhibit 99.1 Company Contact: Agency Contact: Marty McDermut Mary Magnani Vitesse LHA +1.805.388.3700 +1.415.433.3777 [email protected] [email protected] Vitesse Reports Second Quarter Fiscal Year 2012 Results • Reached non-GAAP net income of $313,000; • Delivered GAAP operating income of $1.1 million and non-GAAP operating income of $2.3 million; • Reduced operating expenses to $18.0 million; and •

February 16, 2012 EX-10.1

AMENDMENT TO EMPLOYMENT AGREEMENT

Exhibit 10.1 AMENDMENT TO EMPLOYMENT AGREEMENT This Amendment to Employment Agreement (this “Amendment”) is made and entered into as of February 12, 2012, by and between Vitesse Semiconductor Corporation, a Delaware corporation (“Vitesse”) and Christopher R. Gardner (“Executive”). Except where otherwise defined herein, the capitalized terms used in this Amendment shall have the respective meanings

February 16, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Comm

February 14, 2012 SC 13G/A

VTSS / / WHITEBOX ADVISORS LLC - SCHEDULE 13G AMENDMENT NO. 5 Passive Investment

Schedule 13G Amendment No. 5 OMB APPROVAL OMB Number: 3235-0145 Expires: Estimated average burden hours per response ...... 11.2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928497106 (CUSIP Number) Decem

February 14, 2012 SC 13G/A

VTSS / / ARISTEIA CAPITAL LLC Passive Investment

SC 13G/A 1 formsc13ga-vitesse.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Amendment No. 2 Under the Securities Exchange Act of 1934 Vitesse Semiconductor Corporation (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 928497106 (CUSIP Number) 12/31/11 (Date of Event Which Requires Filing of this Statement) Check the a

February 10, 2012 SC 13G/A

VTSS / / Linden Capital L.P. - SC 13G/A Passive Investment

SC 13G/A 1 d297998dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Vitesse Semiconductor Corporation (Name of issuer) Common Stock (Title of class of securities) 928497106 (CUSIP number) December 31, 2011 (Date of event which requires filing of this statement) Check the appropriate

February 8, 2012 SC 13G/A

NEWP / Newport Corporation / AQR CAPITAL MANAGEMENT LLC - AQR CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928497304 (CUSIP Number) December 31, 2011 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

February 8, 2012 SC 13G/A

VTSS / / AQR Absolute Return Master Account L.P. - AQR ABSOLUTE RETURN MASTER ACCOUNT LP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Vitesse Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928497106 (CUSIP Number) December 31, 2011 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

February 7, 2012 EX-99.1

Vitesse Reports First Quarter Fiscal Year 2012 Results

Exhibit 99.1 Vitesse Reports First Quarter Fiscal Year 2012 Results Improved product margins to 58.0% in Q1FY12, up from 55.3% in Q4FY11; Lowered operating expenses to $19.9 million in Q1FY12, from $26.1 million in Q4FY11; Reduced target revenue breakeven level to $32.0 million ahead of schedule; Posted cash balance at $17.0 million at December 31, 2011 CAMARILLO, Calif.-(BUSINESS WIRE)-February 7

February 7, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - VITESSE SEMICONDUCTOR CORPORATION 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

January 30, 2012 8-K

Submission of Matters to a Vote of Security Holders - VITESSE SEMICONDUCTOR CORP 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2012 VITESSE SEMICONDUCTOR CORPORATION (Exact name of issuer as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-31614 77-0138960 (Commi

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