To: SemiBull who wrote (1431 ) 11/8/2003 11:05:51 AM From: SemiBull Read Replies (1) | Respond to of 1445 Microsemi To Present at the Instream Partners 3rd Annual `Value Below the Radar' Investor Conference Friday November 7, 2:04 pm ET IRVINE, Calif.--(BUSINESS WIRE)--Nov. 7, 2003--Microsemi Corp. (NASDAQ:MSCC - News), a global supplier of analog, mixed-signal and discrete semiconductor products, will present at the Instream Partners 3rd Annual "Value Below the Radar" Investor Conference at the Fairmont Hotel in San Francisco on Nov. 11, 2003. A live webcast of this presentation can be accessed through Microsemi's Web site on Tuesday, Nov. 11, 2003 at 2 p.m. PST at www.microsemi.com. Microsemi Corp., with corporate headquarters in Irvine, is a leading designer, manufacturer and marketer of analog, mixed-signal and discrete semiconductors. The company's semiconductor products typically manage, control, or regulate power, protect against transient voltage spikes and transmit, receive and amplify signals. Microsemi's products include individual components as well as complete circuit solutions that enhance customer designs by improving reliability, battery optimization, reducing size or protecting circuits. The company's products focus on high reliability military/aerospace and medical applications and commercial applications with application-specific standard product solutions. Microsemi differentiates its devices with unique patented packaging designs that reduce component size while increasing their power handling capability. Patented integrated circuit topologies differentiate Microsemi's power management solutions. Markets the company serves include space/satellite and military, mobile connectivity, computer/peripherals, medical, industrial, automotive and digital media. Microsemi products are found in applications that include PDAs, wireless LAN systems, pacemakers, MRI systems, implantable cardio defibrillators, automotive GPS and entertainment displays, and a broad range of military/aerospace systems. "Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995 All statements made in the web cast that are not entirely historical and factual in nature are forward-looking statements. Forward-looking statements are inherently subject to risks, uncertainties and changes. The listeners and viewers of the web cast should refer to the uncertainties or risks identified in Microsemi's most recent filings with the Securities and Exchange Commission on Form 10-K, filed on Dec. 19, 2002, and on Form 10-Q, filed on Aug. 12, 2003. Contact: Microsemi Corp., Irvine David R. Sonksen (Financial) 949-221-7101 or Cliff Silver (Editorial) 949-221-7112 Source: Microsemi Corp.