Philip C.S. Yin, CEO of AXT Inc.,
Rings The NASDAQ Stock Market Closing Bell

Wednesday, August 9, 2006
at NASDAQ's MarketSite
in New York City.

AXT Inc.
AXTI

Philip C.S. Yin, CEO of AXT Inc. (AXTI) presides over the closing bell to celebrate its 20-year business anniversary.

AXT designs, develops, manufactures and distributes high-performance compound and single element semiconductor substrates comprising gallium arsenide (GaAs), indium phosphide (InP) and germanium (Ge). The company's substrate products are used primarily in lighting display applications, wireless communications, and fiber optic communications. Its vertical gradient freeze (VGF) technique for manufacturing semiconductor substrates provides significant benefits over other methods and enabled AXT to become a leading manufacturer of such substrates, particularly in optoelectronics applications. AXT has manufacturing facilities in China and invests in five joint ventures producing raw materials. For more information, see AXT's website at http://www.axt.com. The company can also be reached at 4281 Technology Drive, Fremont, California 94538 or by calling (510) 683-5900. AXT is traded on the NASDAQ Global Market under the symbol AXTI.

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