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AXT, Inc. Announces ISO 14001 Certification

FREMONT, Calif., Feb. 27 /PRNewswire-FirstCall/ -- AXT, Inc. (Nasdaq: AXTI), a leading manufacturer of compound semiconductor substrates, today announced that it has been certified as having met the international standards of ISO 14001:2004, an Environmental Management Standard. An audit of the company's Beijing facility and environmental systems was recently conducted by an ANSI accredited third party auditor. As a result of the audit, ISO 14001 certification has been granted.

ISO 14001:2004 is the internationally recognized standard for environmental management systems, providing guidance on how to manage the environmental aspects of an organization's activities, products and services more effectively, while taking into consideration environmental protection, pollution prevention, and socioeconomic needs. The ISO 14001 standard specifies requirements for establishing an environmental policy; determining environmental aspects and impacts of products, activities and services; planning environmental objectives and measurable targets; implementation and operation of programs to meet objectives and targets; checking and corrective action and management review.

Registration to the standard enhances environmental performance and compliance to legislated requirements is designed to reduce environmental liability exposure, provide a dynamic structural mechanism for quality environmental management, and increase customer confidence that environmental risks associated with products or services purchased are effectively managed.

"We are very pleased to announce this certification as a demonstration of AXT's commitment to environmental protection and positive corporate citizenship," said Phil Yin, Ph.D., chief executive officer. "I am very proud of the work led by our operations team in Beijing that resulted in a successful certification to an internationally recognized environmental standard. This certification, along with our ISO 9001 quality certification, further strengthens our competitive position and underscores our commitment to serving our customers and our community with the highest level of excellence."

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). 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 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 National Market under the symbol AXTI.

CONTACT: Wilson W. Cheung, Chief Financial Officer of AXT, Inc., +1-510-683-5900; or Leslie Green of Stapleton Communications, +1-650-470-0200, for AXT, Inc.
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02/27/2006 09:00 EST