AXTI

AXT, Inc. (NasdaqGS: AXTI), a leading manufacturer of compound semiconductor substrates, will announce its financial results for the fourth quarter 2022 and fiscal year 2022 in a press release immediately following the close of market on February 16, 2023.

The company will also host a conference call to discuss these results on February 16, 2023 at 1:30 p.m. PT. The conference call can be accessed at (888) 300-4150 (passcode 7175811). The call will also be simulcast at www.axt.com. Replays will be available at (800) 770-2030 (passcode 7175811) until March 2, 2023. Additional investor information can be accessed at http://www.axt.com or by calling the company’s Investor Relations Department at (510) 438-4700.

About AXT, Inc.

AXT is a material science company that develops and manufactures high-performance compound and single element semiconductor substrate wafers comprising indium phosphide (InP), gallium arsenide (GaAs) and germanium (Ge). The company’s substrate wafers are used when a typical silicon substrate wafer cannot meet the performance requirements of a semiconductor or optoelectronic device. End markets include 5G infrastructure, data center connectivity (silicon photonics), passive optical networks, LED lighting, lasers, sensors, power amplifiers for wireless devices and satellite solar cells. AXT’s worldwide headquarters are in Fremont, California and includes sales, administration and customer service functions. AXT has its Asia headquarters in Beijing, China and manufacturing facilities in three separate locations in China. In addition, as part of its supply chain strategy, the Company has partial ownership in ten companies in China producing raw materials for its manufacturing process. For more information, see AXT’s website at http://www.axt.com.

Contacts:
	Gary Fischer
	Chief Financial Officer
	(510) 438-4700
	Leslie Green
	Green Communications Consulting, LLC
	(650) 312-9060