As the highest governing body, the board of directors has certain powers and duties, including devising operations strategy, proposing to distribute dividends or make up losses, proposing to increase or decrease capital, reviewing material internal rules and contracts, hiring and discharging the general manager, establishing and dissolving branch offices, reviewing budgets and financial statements and other duties and powers granted by or in accordance with the ROC Company Law and ASE Technology Holding Co., Ltd. (“ASEH”) Articles of Incorporation or shareholders resolutions.

To enhance the effectiveness of corporate governance, ASEH adopted Rules of Performance Evaluation of the Board of Director. ASEH conducts the performance evaluation yearly according to the evaluation procedures formulated in aforesaid rule. The details of the board performance evaluation completed in recent years can be accessed at Year 2023, Year 2024 and Year 2025. ASEH adopted Corporate Governance Best Practice Principles which sets forth the policy on diversity of the board of directors. The goals achieved regarding the diversity of board of directors and management objectives can be accessed here.

To ensure that directors are adequately protected against legal liabilities arising from the performance of their duties, ASEH has, in accordance with the relevant regulations of the Financial Supervisory Commission, procured Directors and Officers Liability Insurance (D&O Insurance) since 2018. For details regarding the directors’ insurance coverage, please refer to the “Directors and Officers Liability InsuranceCoverage.”

Directors’ Biographies

Jason C.S. Chang

Director & Chairman

Jason C.S. Chang has served as chairman and principal executive officer of ASEH since its founding in April 2018. He is also chairman of ASE Inc and a member of the corporate sustainability and information security committee of ASEH. Dr. Chang holds a bachelor’s degree in Electrical Engineering from National Taiwan University in Taiwan and a master’s degree from Illinois Institute of Technology. Dr. Chang received an Honorary Degree of Doctor of Engineering from National Sun Yat-sen University in Taiwan in November 2018 and an Honorary Degree of Doctor of Engineering from National Cheng Kung University in Taiwan in July 2022. He is the brother of Richard H.P. Chang, our vice chairman and president.

Richard H.P. Chang

Director & Vice Chairman
President

Richard H.P. Chang has served as vice chairman and president of ASEH since its founding in April 2018. Mr. Chang holds a bachelor’s degree in Industrial Engineering from Chung Yuan Christian University in Taiwan. He is the brother of Jason C.S. Chang, our chairman.

Tien Wu

Director
Chief Operating Officer

Tien Wu has served as a director and chief operating officer of ASEH since its founding in April 2018. He is also a member of the corporate sustainability and information security committee of ASEH. Dr. Wu is currently the chief executive officer of ASE Inc. Prior to joining ASE Inc. in March 2000, Dr. Wu had worked at IBM. Dr. Wu holds a bachelor’s degree in Civil Engineering from National Taiwan University in Taiwan, and a master’s and a doctorate degree in Mechanical Engineering and Applied Mechanics from the University of Pennsylvania. In 2015, Dr. Wu received an Honorary Degree of Doctor of Science from Binghamton University in New York. In 2024, Dr. Wu was elected to the United States National Academy of Engineering for work in sustainable electronics manufacturing and advancements in the high-volume production of semiconductor packaging.

Jeffrey Chen

Director
Chairman of Universal Scientific Industrial (Shanghai) Co., Ltd.

Jeffrey Chen has served as a director of ASEH since its founding in April 2018 and he has also served as a director of ASE Inc. since June 2003. He is also a member of the corporate sustainability and information security committee of ASEH. Mr. Chen has served as chairman of Universal Scientific Industrial (Shanghai) Co., Ltd. since June 2018. Prior to joining ASE Inc., he worked in the corporate banking department of Citibank, N.A. in Taipei and as a vice president of corporate finance at Bankers Trust in Taipei. Mr. Chen holds a bachelor’s degree in Finance and Economics from Simon Fraser University in Vancouver, Canada and a master’s degree in Business Administration from the University of British Columbia in Canada.

Andrew Tang

Director
Chief Procurement Officer

Andrew Tang has served as a director of ASEH since June 2024 and holds the positions of chief procurement officer for ASEH since September 2023 and vice-chairman and deputy chief executive officer for ASE Inc. He is also a member of the corporate sustainability and information security committee of ASEH. Mr. Tang is also a director of ASE Inc., ASE Cultural & Education Foundation, and ASE Environmental Protection and Sustainability Foundation. Prior to joining ASE in August 2014, Mr. Tang worked at privately-held and publicly-held investment firms, including Morgan Stanley in New York. Mr. Tang holds a bachelor’s degree in Mathematics and Economics from Yale University. Mr. Tang is the son-in-law of Mr. Jason C.S. Chang, our chairman.

Dan-Yao Chang

Director
Special Assistant to Chairman

Dan-Yao Chang has served as a director of ASEH since June 2025.  Ms. Chang has also served as a director of ASE Inc., ASE Test Inc. and USI Inc. since February 2025, a director of Universal Scientific Industrial (Shanghai) Co., Ltd. since April 2025, and a member of Corporate Sustainability and Information Security Committee of ASEH since July 2025.  Prior to joining ASE, Ms. Chang worked in various fields, including Lucky Chow, Inc., LUCKYRICE, LLC, Vivienne Tam, Simplycity Magazine, Goldman Sachs, Jeffrey Deitch Projects, Rochester Institute of Technology, and The New York Times.  Ms. Chang received a masters of arts in Critical Theory from Columbia University.  Ms. Chang is the daughter of Mr. Jason C.S. Chang, our chairman.

Shen-Fu Yu

Independent director
Member, Audit Committee, Compensation Committee, Risk Management Committee & Corporate Sustainability and Information Security Committee

Shen-Fu Yu has served as an independent director of ASEH since June 2018. Mr. Yu is also a member of the audit committee, compensation committee, risk management committee, and corporate sustainability and information security committee of ASEH. He is an independent director, and a member of the audit committee and compensation committee of TaiGen Biopharmaceuticals Holdings Ltd. He worked at the Deloitte & Touche accounting firm as a consultant from June 2003 to November 2006. Mr. Yu holds a bachelor’s degree in Accounting from National Taiwan University in Taiwan and a master’s degree in Accounting from National Chengchi University in Taiwan.

Mei-Yueh Ho

Independent Director
member, Audit Committee, Risk Management Committee & Corporate Sustainability and Information Security Committee

Mei-Yueh Ho has served as an independent director of ASEH since June 2018. She is also a member of the audit committee, risk management committee, and corporate sustainability and information security committee of ASEH. Ms. Ho is an independent director of Center Laboratories, Inc., Onward Therapeutics S.A., and Acer Inc., and is a member of the audit committee of Center Laboratories, Inc. and Acer Inc. She is also a member of the compensation committee of Center Laboratories, Inc., Acer Inc. and a board director of KINPO Electronics Inc. She is also a member of the investment committee of Acer Inc. Ms. Ho served as Minister of Ministry of Economic Affairs, R.O.C. from May 2004 to January 2006. She was also Chairperson of the Council for Economic Planning and Development, R.O.C. from May 2007 to May 2008. Ms. Ho holds a bachelor’s degree in Agricultural Chemistry from National Taiwan University in Taiwan.

Wen-Chyi Ong

Independent Director
member, Audit Committee, Compensation Committee, Risk Management Committee & Corporate Sustainability and Information Security Committee

Wen-Chyi Ong has served as an independent director of ASEH since August 2021. Mr. Ong is also a member of the audit committee, compensation committee, and corporate sustainaibility and information security committee of ASEH. Mr. Ong is now an adjunct professor of finance at the Business School of National Chengchi University in Taipei. In July 2017, Mr. Ong was invited by the board of the SinoPac Financial Holding Company to lead the distressed financial institution. Spending three years with the bank, Mr. Ong successfully turned the bank around in terms of profitability and corporate governance. Prior to this private sector job, Mr. Ong was chairman of the state-owned Chunghwa Post Company. Before returning to Taipei, Mr. Ong was Taiwan’s representative to India between 2008 and 2012. With ambassadorial ranking, he played a critical role in enhancing India-Taiwan’s economic and cultural relations. In 2005, Mr. Ong was appointed by Taiwan’s Financial Supervisory Commission (FSC) to set up a representative office in New York where he worked closely with U.S. financial regulators for cross-border supervision. Prior to New York, Mr. Ong was a Trade Negotiator representing Taiwan at the World Trade Organization. He spent three years in Geneva. In Taiwan, Mr. Ong was a financial regulator for foreign banks for two years and director for the QFII (Qualified Foreign Institutional Investors) business for four years. In his earlier career, he spent six years in Washington, DC as a junior Foreign Service Officer. Mr. Ong graduated from the National Taiwan University in 1981, majoring in international relations. In 1998, Mr. Ong enrolled in the Cass Business School of the City University, London, where he earned an MS degree in investment and risk management.