TSMC October Sales Report

Hsinchu, Taiwan, November 9, 2004 - Taiwan Semiconductor Manufacturing Company Ltd. (TSMC) (TAIEX: 2330, NYSE: TSM) today said that net sales for October 2004 totaled NT$22,970 million. Revenues for January through October 2004 reached NT$215,087 million.

Net sales for October 2004 decreased by 0.9 percent from September 2004. On a year-over-year basis, net sales for October 2004 grew 13.1 percent.

Sales Report: (Unit: NT$ million)

Net Sales

2004(1)

2003

Growth Rate

October

22,970

20,304

13.1%

January through October

215,087

164,429

30.8%

(1): Year 2004 figures have not been audited.