IRVINE, Calif., Aug. 28, 2008 (GLOBE NEWSWIRE) -- Microsemi Corporation (NasdaqGS:MSCC - News), a leading manufacturer of high performance analog mixed-signal integrated circuits and high reliability semiconductors, will present at the 15th Annual Citi Investment Research Technology Conference at the Hilton New York Hotel in New York City on September 2-4, 2008.

A live Webcast of this presentation will be available as well, for those not able to attend in person, through Microsemi's website on Thursday, September 4, 2008 at 10:25 am 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. 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

         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