Monthly Sales Report - February 2000

Hsin-Chu, Taiwan, February 14, 2000- Taiwan Semiconductor Manufacturing Company Ltd. ("TSMC" or "the Company" ) (TAIEX: 2330, NYSE: TSM) today announced that its net sales for January 2000 reached a new high of NT$9,327 million. TSMC sales results have set new records for the past four consecutive months.

Mr. YC Huang, TSMC Spokesman, pointed out that due to the strong demand for foundry services, the Company's capacity was fully utilized again in January 2000. Sales for January 2000 registered a 8.2% increase over December 1999 and a substantial increase of 142.6% on a year-over-year basis.