AXT, Inc. to Present at the 20th Annual Needham Growth Conference

AXT, Inc. (Nasdaq:AXTI), a leading manufacturer of compound semiconductor substrates, today announced that Gary L. Fischer, chief financial officer, will present at the 20th Annual Needham Growth Conference in New York on Wednesday, Jan. 17th, 2018 at 9:20 a.m. ET. A webcast of the presentation will be available through the investor relations portion of the company’s website at www.axt.com.

About AXT, Inc. AXT designs, develops, manufactures and distributes high-performance compound and single element semiconductor substrates comprising indium phosphide (InP), gallium arsenide (GaAs) and germanium (Ge) through its manufacturing facilities in Beijing, China. The company’s substrate products are used primarily in lighting display applications, wireless communications, fiber optic communications and solar cell applications. Its vertical gradient freeze (VGF) process technology 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, as part of its supply chain strategy, has partial ownership in ten companies in China producing raw materials. Its worldwide headquarters are in Fremont, California, where the company maintains its sales, administration and customer service functions. For more information, see AXT’s website at http://www.axt.com.

Contacts:Gary L. FischerChief Financial Officer(510) 683-5900

Leslie GreenGreen Communications Consulting, LLC(650) 312-9060