Peregrine Semiconductor Appoints Brian Hurst to Executive Team

Sales veteran to lead company’s global customer expansion

San Diego, California, July 18, 2005 Peregrine Semiconductor, a supplier of the industry’s most advanced RF CMOS integrated circuits, today announced that Brian Hurst has joined its executive management team in the role of V.P., Worldwide Sales. Hurst has more than 25 years of sales and marketing experience including executive positions at industry leaders Cyrix and Transmeta Corporation, as well as National Semiconductor and Intel. He brings to Peregrine Semiconductor extensive knowledge in developing strategic sales relationships with top tier electronics OEMs as well as a strong background in establishing marketing alliances with semiconductor industry leaders.

“Brian has an impressive track record of winning business at tier one wireless handset and broadband suppliers,” said Jim Cable, C.E.O. of Peregrine Semiconductor. “His proven leadership in cultivating new customer relationships and his valuable expertise will be instrumental in accelerating market share gains in high-growth areas, especially Asia,” he added.

“I am joining Peregrine at an exciting time in the company’s history in which it is poised for significant growth. The disruptive power of the UltraCMOS™ technology and its impending displacement of GaAs-based solutions seem certain to change how RF applications are designed. I look forward to leading the Peregrine sales team in developing its sales charter, bringing these revolutionary products to the industry, and creating new global customer relationships in our target markets,” said Hurst.

Hurst was formerly V.P., Worldwide Sales and Marketing for Anadigics, a market leader in GaAs-based RFICs. Prior to joining Anadigics, Hurst was V.P. and General Manager of Sales and Marketing for the Americas at National Semiconductor Corporation, a leading supplier of analog and digital semiconductor products, and V.P. of Worldwide Sales for Transmeta Corporation, a supplier of advanced microprocessors for notebook computers. Hurst’s career also includes sales positions at Quantum Corporation and Intel Corporation. Hurst has an executive graduate degree in international marketing from Southern Methodist University and a B.S. degree in marketing from the University of Texas.

About UltraCMOS™ Technology

UltraCMOS™ mixed-signal process technology is a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate providing with high yields and competitive costs. This technology delivers significant performance advantages over competing processes such as GaAs, SiGe BiCMOS and bulk silicon CMOS in applications where RF performance, low power and integration are paramount.

About Peregrine Semiconductor

Peregrine Semiconductor Corporation designs, manufactures, and markets high-performance communications ICs for the wireless infrastructure and mobile wireless; broadband communications; space, defense and avionics markets. Manufactured on the Company’s proprietary UltraCMOS™ mixed-signal process technology, Peregrine products are uniquely poised to meet the needs of a global RF design community in high-growth applications such as WCDMA and GSM digital cellular, broadband, DTV, DVR and rad-hard space and defense programs. Peregrine 0.25µm and 0.5µm UltraCMOS devices are manufactured in its 6” CMOS facility located in Sydney, Australia and in Tokyo, Japan through an alliance with OKI Electric Industry Co., Ltd. The Company, headquartered in San Diego, California, maintains global sales support operations and a worldwide technical distribution network. Additional information is available on the web at psemi.com. Contact Peregrine’s worldwide distribution partner, Richardson Electronics (NASDAQ: RELL), for sales information at 1-800-737-6937.

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The Peregrine Semiconductor name, logo and UTSi are registered trademarks and UltraCMOS is a trademark of Peregrine Semiconductor Corporation. All other trademarks are the property of their respective owners.