SUPX Supertex, Inc. (MM)

Supertex, Inc. (NASDAQ: SUPX), a recognized leader in high voltage analog and mixed signal integrated circuits, today announced that Vice President of Finance and CFO, Phil Kagel, will be presenting at the 13th Annual Needham Growth Conference.

Mr. Kagel will be presenting at 8:00 a.m. on January 12, 2011, in the Louis room at the New York Palace Hotel, 455 Madison Avenue, New York, NY, 10022. His presentation will give an overview of Supertex's markets and products, and recent Company financial results and outlook.

About Supertex

Supertex, Inc. is a publicly held mixed signal semiconductor manufacturer, focused on high voltage analog and mixed signal products for use in the medical, LED lighting, display, industrial, and telecommunication industries. Supertex product, corporate and financial information is readily available at www.supertex.com.

Corporate Headquarters: Ken Vickers Marketing Communications Manager 408/222-4810 kennethv@supertex.com