IRVINE, Calif., Aug. 5, 2009 (GLOBE NEWSWIRE) -- Microsemi Corporation (Nasdaq:MSCC), a leading manufacturer of high performance analog mixed-signal integrated circuits and high reliability semiconductors, will present at the Oppenheimer Annual Communications, Technology and Internet Conference at the Four Seasons Hotel in Boston, Massachusetts on August 10-12, 2009.

A live Webcast of this presentation will be available as well, for those not able to attend in person, through Microsemi's website on Wednesday, August 12, 2009 at 9:10 am EDT at 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. More information may be obtained by contacting the company directly or by visiting its website at http://www.microsemi.com.

The Microsemi Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=1233

CONTACT: Microsemi Corporation
         FINANCIAL CONTACT:
         John W. Hohener, Vice President and CFO
           (949) 221-7100
         INVESTOR RELATIONS:
         Robert C. Adams, Vice President Business Development & Investor 
          Relations
           (949) 221-7100