MICROSEMI acquires ASIC ADVANTAGE, Inc.

IRVINE, Calif., July 6, 2011 - Microsemi Corporation(Nasdaq:MSCC), a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced it has acquired privately-held ASIC Advantage, Inc.

Known for its technical innovation with high levels of quality and reliability, ASIC Advantage is a fabless semiconductor company that designs and manufactures a broad portfolio of high-performance, high-voltage and radiation-hardened mixed-signal integrated circuit (IC) solutions for the aerospace, automotive, communications, industrial and medical markets. As ASIC Advantage's solutions are complementary to Microsemi's family of product offerings, the combined portfolio allows Microsemi to expand its reach into key markets and provide customers with a wider range of products from a single source.

"I am excited by this acquisition, which further solidifies our ability to serve industries demanding the highest standards of performance," stated James J. Peterson, Microsemi president and chief executive officer. "ASIC Advantage brings an entire portfolio of value-added IC designs targeting multiple core growth markets at Microsemi. While relatively small, this important acquisition offers strong synergy opportunities, enriches our mix and accelerates our growth potential."

Terms of the acquisition were not disclosed. Microsemi plans to discuss this acquisition as part of its third fiscal quarter conference call to be scheduled later in July.

About Microsemi

Microsemi Corporation (Nasdaq:MSCC) offers a comprehensive portfolio of semiconductor solutions for: aerospace, defense and security; enterprise and commercial; and industrial and alternative energy markets. Products include high-performance, high-reliability analog and RF devices, mixed-signal and RF integrated circuits, configurable SoCs, FPGAs, and complete subsystems. Microsemi is headquartered in Irvine, Calif., and has more than 2,800 employees globally.Learn more at http://www.microsemi.com.

"Forward-Looking" and "Safe-Harbor" Statements are omitted