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Supertex Appoints New Vice President of Marketing

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^{Published in Science and Technology on Tuesday, June 29th 2010 at 6:40 GMT by Market Wire}  

SUNNYVALE, CA--(Marketwire - June 29, 2010) - Supertex, Inc. (NASDAQ: [ SUPX ]) today reported that the Board of Directors has promoted Hernan DeGuzman to the position of Vice President of Marketing. He joined Supertex in 2004 as our Senior Technical Marketing Manager and was elevated in 2006 to Area Sales Manager of Asia and in March 2010 to Vice President of Sales over Asia. Prior to joining Supertex, he held sales management and field applications positions at BAE Sales, Power Integrations, and Unitrode Corporation. Mr. DeGuzman holds a B.S. degree in Electrical Engineering from University of California at Los Angeles and an M.S. degree in Electrical Engineering from University of Southern California. Mr. DeGuzman replaces Ahmed Masood who resigned last week.

"We are very pleased to have Hernan directing our strategic and tactical marketing activities," stated Dr. Henry C. Pao, President and CEO. "He has been responsible for many key design wins in Asia, especially in the LED lighting and backlighting and medical ultrasound markets. He has also strengthened our relationships with key OEM customers and strategic distributors and has expanded and upgraded our sales organizations in Shanghai and Shenzhen, China, as well as in Taiwan, Japan and South Korea."

About Supertex
Supertex, Inc. is a publicly held mixed signal semiconductor manufacturer, focused in high voltage products for use in the medical ultrasound, LED light and backlight, telecommunication and networking system, printer and industrial electronics industries. Supertex product, corporate and financial information is readily available at our website: [ http://www.supertex.com ].

For further information, contact Investor Relations at Supertex, Inc., 1235 Bordeaux Drive, Sunnyvale, California 94089, 408-222-8888 or visit our website at [ http://www.supertex.com ].