TSMC September 2003 Sales Hit New Record High

Hsinchu, Taiwan, October 9, 2003 - Taiwan Semiconductor Manufacturing Company Ltd. (“TSMC” or “the Company”) (TAIEX: 2330, NYSE: TSM) today announced that net sales for September 2003 totaled NT$18,911 million, reaching a new historical record high. On a month-over-month basis, September 2003 net sales increased 3.2 percent from August 2003 sales. Compared to the same period a year ago, September 2003 net sales increased 48.3 percent. Revenues for January through September 2003 totaled NT$144,125 million, an increase of 20.3 percent over the same period in 2002.

Ms. Lora Ho, TSMC spokesperson and vice president, noted that the Company’s September 2003 sales revenues increased as a result of higher wafer shipments compared to August 2003.

Sales Report: (Unit: NT$ million)

Net Sales

2003(1)

2002

Growth

September

18,911

12,755

48.3%

January through September

144,125

119,807

20.3%

(1): Year 2003 figures have not been audited.