AXT, Inc. Schedules Fourth Quarter 2009 Earnings Release for February 23, 2010

| Source: AXT, Inc. AXT, Inc.

FREMONT, CA--(Marketwire - January 26, 2010) - AXT, Inc. (NASDAQ: AXTI), a leading manufacturer of compound semiconductor substrates, will announce its financial results for the fourth quarter 2009 in a press release immediately following the close of market on February 23, 2010. The company will also host a conference call to discuss these results on February 23, 2010 at 1:30 p.m. PST. The conference call can be accessed at (719) 325-2223 (passcode 1457411). The call will also be simulcast on the Internet at www.axt.com. Replays will be available at (719) 457-0820 (passcode 1457411) until March 3, 2010. 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 http://www.axt.com 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, fiber optic communications and solar cell. 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. 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.

Contact Information: Contacts: Raymond A. Low Chief Financial Officer (510) 683-5900 Leslie Green Green Communications Consulting, LLC (650) 312-9060