TSMC Appoints Mr. Jason Chen as Vice President of Corporate Development

Hsinchu, Taiwan, Feb. 12, 2005 – Taiwan Semiconductor Manufacturing Company (TSMC) (TAIEX: 2330, NYSE: TSM) today announced the appointment of Mr. Jason Chen as its Vice President of Corporate Development, responsible for assisting its President with business strategy and plan development and implementation. The appointment will become effective after approval by the Company’s Board of Directors at its meeting later this month. Mr. Chen will assume his office in early April and report directly to Dr. Rick Tsai, TSMC President and Chief Operating Officer of TSMC.

Dr. Rick Tsai stated, “We are very happy to have Mr. Chen join TSMC’s management team. With his broad experience in brand marketing, business management, and general corporate matters in the global semiconductor and IT industries, I believe that Jason will make significant contribution to TSMC’s future development.”

Mr. Chen was the corporate vice president and co-director of worldwide sales and marketing group at Intel. He joined Intel in 1991 as reseller channel manager for Taiwan. In 1993 he assumed responsibility for Intel’s sales operations in Mainland China. In 1997 he became director of distribution sales for all Asia Pacific, and then became the co-general manager of AFAC in 1999. He was promoted as vice-president and co-director, sales and marketing group, responsible for all Intel sales operations worldwide in 2003.

Before joining Intel, Mr. Chen worked for IBM in Taiwan. Prior than that, he was with Copam Electronics in Taiwan.

Mr. Chen graduated from the National Cheng-Kung University in Taiwan in 1984 with a bachelor’s degree in business administration. He received his MBA degree from the University of Missouri, Columbia, U.S.A. in 1988.