TSMC November Sales Report

Hsinchu, Taiwan, December 9, 2004 - Taiwan Semiconductor Manufacturing Company Ltd. (TSMC) (TAIEX: 2330, NYSE: TSM) today said that net sales for November 2004 totaled NT$20,986 million. Revenues for January through November 2004 reached NT$236,073 million.

“The 8.6 percent sequential decrease in November net sales mainly resulted from a decrease in wafer shipments and a 3 percent weaker U.S. dollar versus local currency,” said Ms. Lora Ho, vice president and chief financial officer of TSMC.

Ms. Ho noted that the Company's fourth quarter 2004 guidance would remain unchanged despite a sustained weakness in the U.S. dollar is generally acknowledged.

Sales Report: (Unit: NT$ million)

Net Sales

2004(1)

2003

Growth Rate

November

20,986

18,510

13.4%

January through November

236,073

182,939

29.0%

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