Microsemi to Present at the Piper Jaffray Technology Conference

Microsemi Corporation (NasdaqNM:MSCC - News), a global supplier of high performance analog, mixed-signal and high reliability semiconductor products, will make an investor presentation at the Piper Jaffray Technology Conference at the Palace Hotel in New York, May 11, 2005.
A live Webcast of this presentation will be available as well, for those not able to attend in person, through Microsemi's web site on Wednesday, May 11th at 4:05 pm EDT at http://www.microsemi.com.

Microsemi Corporation, with corporate headquarters in Irvine, California, is a leading designer, manufacturer and marketer of high performance analog and mixed-signal integrated circuits and high reliability semiconductors. The company's semiconductors manage and control or regulate power, protect against transient voltage spikes and transmit, receive and amplify signals.

Microsemi's products include individual components as well as integrated circuit solutions that enhance customer designs by improving performance and reliability, battery optimization, reducing size or protecting circuits. The principal markets the company serves include implanted medical, defense/aerospace and satellite, notebook computers, monitors and LCD TVs, automotive and mobile connectivity applications.

``Safe Harbor'' Statement under the Private Securities Litigation Reform Act of 1995: All statements made that are not entirely historical and factual in nature are forward-looking statements. Forward-looking statements are inherently subject to risks, uncertainties and changes. For a discussion of risks and uncertainties the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and subsequent Form 10-Q reports filed by Microsemi with the SEC.

The Microsemi Corporation logo can be found at: http://www.primezone.com/newsroom/prs/?pkgid=1233



Contact:
Microsemi Corporation, Irvine
Financial Contact:
David R. Sonksen, Executive Vice President and CFO
(949) 221-7101

Editorial Contact:
Cliff Silver, Manager, Corporate Communications
(949) 221-7112


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Source: Microsemi Corporation