FREMONT, CA--(Marketwire - October 2, 2007) - AXT, Inc. (NASDAQ: AXTI), a leading manufacturer of compound semiconductor substrates, will announce its financial results for the third quarter 2007 in a press release immediately following the close of market on October 25, 2007. The company will also host a conference call to discuss these results on October 25, 2007 at 1:30 p.m. PT. The conference call can be accessed at (416) 641-6125 (conference ID 3237726). The call will also be simulcast on the Internet at Replays will be available at (416) 695-5800 until November 1, 2007. Financial and statistical information to be discussed in the call will be available on the company's website immediately prior to commencement of the call. Additional investor information can be accessed at or by calling the company's Investor Relations Department at (510) 683-5900.

About AXT, Inc.

AXT designs, develops, manufactures and distributes high-performance compound and single element semiconductor substrates comprising gallium arsenide (GaAs), indium phosphide (InP) and germanium (Ge) through its manufacturing facilities in Beijing, China. In addition, AXT maintains its sales, administration and customer service functions at its headquarters in Fremont, California. 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

Contact Information: Contacts: Wilson W. Cheung Chief Financial Officer (510) 683-5900 Leslie Green Green Communications Consulting, LLC (650) 312-9060