Vitesse Honors Three Companies With Supplier Excellence Award

Vitesse

Ronda Grech

805-388-3700

pressrelations@vitesse.com

Logo: http://www.vitesse.com

Vitesse Semiconductor Corporation (Pink Sheets:VTSS) today announced the recipients of the Vitesse Supplier Excellence award for outstanding commitment to quality and performance: The ASE Group, DB Design, and Taiwan Semiconductor Manufacturing Company, Ltd. These suppliers provided products and services that reflect Vitesse’s customer service values and contributed to Vitesse’s business success in 2007.

Vitesse is committed to delivering products that meet the quality and reliability expectations of its customers. The Supplier Excellence award is part of Vitesse’s multifaceted quality program that encompasses excellence and continuous improvement throughout its product development process. This year’s winners provide Vitesse with the following products or services:

— The ASE Group: semiconductor assembly and test service

— DB Design, a unit of Antares Advanced Test Technologies: automation design services and support

— Taiwan Semiconductor Manufacturing Company, Ltd.: processed wafers

“Vitesse is honored to have a close working relationship with these Supplier Excellence award recipients. Each has demonstrated an ongoing commitment towards technology innovation and customer service that provides strategic advantage to Vitesse,” said Roy Carew, vice president of quality for Vitesse. “They are greatly valued for meeting the highest quality standards, providing excellent flexibility and enabling Vitesse to meet its delivery and cost objectives.”

About Vitesse

Vitesse designs, develops and markets a diverse portfolio of high- performance, cost-competitive semiconductor solutions for Carrier and Enterprise networks worldwide. Engineering excellence and dedicated customer service distinguish Vitesse as an industry leader in Gigabit Ethernet LAN, Ethernet-over-SONET, Fibre Channel, Optical Transport, and other applications. Vitesse innovation empowers customers to deliver superior products for Enterprise, Access, Metro, and Core applications. Additional company and product information is available at www.vitesse.com.

Vitesse is a registered trademark in the United States and/or other jurisdictions of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders.

Safe Harbor

Statements made in this release that are not historical facts are “forward-looking” statements (as defined in the Private Securities Litigation Reform Act of 1995) that involve risks and uncertainties and are subject to change at any time. These forward-looking statements may include, but are not limited to, statements containing words such as “anticipate,”"believe,”"plan,”"estimate,”"expect,”"hope,”"intend,” and similar expressions. Factors that could cause actual results to differ are identified in the public filings made by Vitesse with the Securities and Exchange Commission and include the fact that we have disclosed that you should not rely upon our published financial statements and the fact that we have not filed all of our reports required by the Securities Exchange Act of 1934. More information on factors that could affect our business and financial results are included in our public filings made with the Securities and Exchange Commission, which are available on the web site of the Securities and Exchange Commission, www.sec.gov.

The forward-looking statements involve known and unknown risks, uncertainties and other factors that are, in some cases, beyond our control. We caution investors that any forward-looking statements made by us are not guarantees of future performance, including, but not limited to, the risks that the recently announced proposed settlement of certain lawsuits against the Company will not be completed or approved by the court, that any court approval will be successfully reversed on appeal, or that the settlement agreement is terminated or cancelled under its terms. We disclaim any obligation to update any such factors or to announce publicly the results of any revisions to any of the forward-looking statements to reflect future events or developments.

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