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.     )
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Filed by a Party other than the Registrant  o
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o	Preliminary Proxy Statement
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o	Definitive Proxy Statement
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o	Soliciting Material Pursuant to §240.14a-12
Vitesse Semiconductor Corporation
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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www.envisionreports.com/VTSS Step 1: Go to www.envisionreports.com/VTSS to view the materials. Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. Stockholder Annual Meeting Notice 019AZG + + Important Notice Regarding the Availability of Proxy Materials for the Vitesse Semiconductor Corporation Stockholder Meeting to be Held on January 19, 2011 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual stockholders’ meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The proxy statement and Fiscal Year 2010 annual report are available at: Easy Online Access — A Convenient Way to View Proxy Materials and Vote When you go online to view materials, you can also vote your shares. Step 4: Make your selection as instructed on each screen to select delivery preferences and vote. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Obtaining a Copy of the Proxy Materials – If you want to receive a paper or e-mail copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed on the reverse side on or before January 9, 2011 to facilitate timely delivery. . IMPORTANT ANNUAL MEETING INFORMATION 1234 5678 9012 345 C 1234567890 1 0 5 2 3 9 000004 MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 ENDORSEMENT_LINE______________ SACKPACK_____________

Here’s how to order a copy of the proxy materials and select a future delivery preference: Paper copies: Current and future paper delivery requests can be submitted via the telephone, Internet or email options below. Email copies: Current and future email delivery requests must be submitted via the Internet following the instructions below. If you request an email copy of current materials you will receive an email with a link to the materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a set of proxy materials. Internet – Go to www.envisionreports.com/VTSS. Click Cast Your Vote or Request Materials. Follow the instructions to log in and order a paper or email copy of the current meeting materials and submit your preference for email or paper delivery of future meeting materials. Telephone – Call us free of charge at 1-866-641-4276 using a touch-tone phone and follow the instructions to log in and order a paper copy of the materials by mail for the current meeting. You can also submit a preference to receive a paper copy for future meetings. Email – Send email to investorvote@computershare.com with “Proxy Materials Vitesse Semiconductor Corporation” in the subject line. Include in the message your full name and address, plus the number located in the shaded bar on the reverse, and state in the email that you want a paper copy of current meeting materials. You can also state your preference to receive a paper copy for future meetings. To facilitate timely delivery, all requests for a paper copy of the proxy materials must be received by January 9, 2011. From Los Angeles Int’l Airport: Take Century Blvd. to 405 San Diego Freeway North to 101 West/Ventura Fwy.-North. Follow the 101 to the Reyes Adobe exit. Turn left and drive over the freeway to Agoura Road. Turn left onto Agoura Road and make an immediate right into the hotel driveway. From Burbank Airport: Exit to Hollywood Way South. Turn left onto Alameda Ave. Follow signs to 134 Ventura Fwy.-West. Hwy 134 converts to 101 Ventura Fwy.-North. Follow the 101 to the Reyes Adobe exit. Turn left and drive over the freeway to Agoura Road. Turn left onto Agoura Road and make an immediate right into the hotel driveway. Directions to the Vitesse Semiconductor Corporation 2011 Annual Meeting of Stockholders . Stockholder Annual Meeting Notice Vitesse Semiconductor Corporation’s Annual Meeting of Stockholders will be held on January 19, 2011 at the Renaissance Hotel, 30100 Agoura Road, Agoura Hills, California 91301, at 9:00 a.m. local time. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommends that you vote FOR the following proposals: 1. Election of Directors Nominees: Christopher R. Gardner Steven P. Hanson James H. Hugar G. Grant Lyon Edward Rogas, Jr. G. William LaRosa 2. Approve the 2011 Vitesse Employee Stock Purchase Plan 3. Ratify the appointment of BDO USA, LLP as the Company's independent registered public accounting firm for the fiscal year ending September 30, 2011 PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must vote online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you. 019AZG