Microsemi Enters Silicon Carbide Supply Agreement With SemiSouth Laboratories


IRVINE, CA -- Aug. 13, 2007 (PrimeNewswire) -- Microsemi Corporation (Nasdaq:MSCC), a leading manufacturer of high performance analog mixed signal integrated circuits and high reliability semiconductors, and SemiSouth Laboratories Inc. of Starkville, MS, announced today that they have entered into an agreement which provides for cooperation between the two companies in the area of silicon carbide (SiC) epitaxy wafer supply as well as certain technical exchanges. SemiSouth is a privately held company specializing in SiC material and device fabrication (www.semisouth.com).

Russell Crecraft, Microsemi Power Products Group Vice President and General Manager, stated “We are pleased to enter into a closer working relationship with SemiSouth. Microsemi’s requirements for SiC wafers will grow in the future and we expect that this agreement will help SemiSouth’s talented team of engineers to continue their progress toward highly manufacturable silicon carbide epitaxy.”

SemiSouth’s President, Jeff Casady, commented: “At SemiSouth, our long-term goals have always been to enable the SiC power device market through high-quality SiC epitaxy wafers and devices. We are excited to be able to work with Microsemi by supplying them epitaxy wafer products needed for their product goals. Microsemi has a great track record of supplying high performance power device products, and this agreement represents a great step forward for the SiC power electronics market.”

About Microsemi Corporation
Microsemi, 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, optimizing battery performance, reducing size or protecting circuits. The principal markets the company serves include defense, commercial air, satellite, medical, notebook computers, LCD TVs, mobile, and connectivity applications. More information may be obtained by contacting the company directly or by visiting its web site at http://www.microsemi.com.

About SemiSouth Laboratories
An industry leader in the technological development and manufacture of silicon carbide (SiC) electrical components and materials for high-power, high-efficiency, harsh-environment power management and conversion applications, SemiSouth provides discrete power devices, simple ICs, and thin film SiC epitaxy wafers to commercial and government entities. Founded in 2000 and based in Starkville, MS, this privately-held company has a strategic alliance with Mississippi State University and its ongoing SiC research programs. SiC-based semiconductor devices offer significant advantages over competing products based on silicon, GaAs and other materials for power based electronic applications.

For more information about SiC or SemiSouth Laboratories, visit the company's website at www.semisouth.com.