Monthly Sales Report - February 2001

Hsinchu, Taiwan, March 8, 2001– Taiwan Semiconductor Manufacturing Company Taiwan Semiconductor Manufacturing Company Ltd. (“ TSMC” or “ the Company” ) (TAIEX: 2330, NYSE: TSM), today announced that net sales for February 2001 totaled NT$11,614 million, representing an increase of approximately 28.8% over February 2000 sales and a decrease of 28.0% from January 2001 sales. The Company’s sales revenue for January and February 2001 totaled NT$27,771 million, representing an increase of 51.4% over the corresponding period of 2000.

Ms. K. C. Chen, TSMC spokesperson, stated that according to customers’ long-term forecast and their inventory status reports, the global semiconductor market continues to slow for the first quarter of 2001. The Company estimated that the sales revenue for the first quarter of 2001 will decrease 26% from the fourth quarter of 2000, about one percent lower than the previous forecast of a 25% decrease. The overall industry cycle is expected to trend upward gradually in the second half of 2001. TSMC is optimistic about the future direction of the foundry industry.