TSMC Board of Directors Approves Financial Statements for the First Half of 2004

Taiwan Semiconductor Manufacturing Company Ltd. (“TSMC” or “the Company”) (TAIEX: 2330, NYSE: TSM) today held a meeting of the Board of Directors, at which the directors approved the Company’s financial statements for the first half of 2004. The Board affirmed that net sales for the first half of 2004 were NT$122,382 million and net income totaled NT$42,199 million.

TSMC Spokesperson and CFO Ms. Lora Ho noted that, at its meeting, the Board of Directors also:

1. Approved the cancellation of 124,720,000 shares of treasury stocks and the subsequent capital reduction of NT$1,247,200,000. The Board also set August 16, 2004 as the record date for such capital reduction.

2. Approved the appointment of Dr. Wei-Jen Lo as Vice President of TSMC Operations II. Both Dr. Wei-Jen Lo and Dr. Mark Liu, who is also a Vice President of TSMC Operations II, report directly to Dr. Rick Tsai, President and Chief Operating Officer for TSMC.

Profile of Dr. Wei-Jen Lo

Dr. Wei-Jen Lo recently joined TSMC from Intel Corporation where he held various positions in technology development and management. Prior to joining Intel, Dr. Lo served in the IT and semiconductor industries, and he also held teaching and research position in the university in the US. Dr. Lo graduated from the Physics Department at National Taiwan University in 1972. He received his master’s degree in Physics and Ph.D. in Solid State Physics and Surface Chemistry from University of California, Berkeley, in 1976 and 1979 respectively.