AXT Announces Tracy Liu Appointed to AXT, Inc. Board of Directors

AXT, Inc. (NasdaqGS: AXTI), a leading manufacturer of compound semiconductor wafer substrates, today announced that Tracy Liu has been appointed to the AXT Board of Directors, effective June 17, 2026. The AXT board expanded to five directors from the previous number of four.

Liu brings more than 30 years of business advisory experience, tax strategy and accounting to AXT, including 10 years with Big Four public accounting firms and more than 20 years advising public and private companies. Throughout her career, she has worked extensively with high-technology and semiconductor companies in Silicon Valley and the Asia-Pacific region, providing strategic guidance on international tax planning, cross-border business operations, and stock compensation. Her experience advising multinational companies on restructuring initiatives, joint ventures, and regulatory matters in both the United States and China provides valuable insight into AXT's global operations and will help strengthen the Board's understanding of the business environment in which Tongmei, AXT’s subsidiary in China, operates.

Liu currently serves as an independent director and Chair of the Audit Committee of ACM Research, Inc. (Nasdaq: ACMR), a semiconductor equipment company, and was, until the STAR Market requirement for a supervisory board ended, Chairperson of the Supervisory Board of ACM Shanghai, a semiconductor equipment company listed on the Shanghai STAR Market. Her extensive experience with semiconductor and technology companies, combined with her public company board and audit committee leadership, brings significant financial, operational, and governance expertise to AXT. Liu holds a master’s degree in accounting with a specialization in taxation and a bachelor’s degree in computer science. She is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants.