TSMC September 2007 Sales Report

Hsinchu, Taiwan, R.O.C. – October 9, 2007 - TSMC (TAIEX: 2330, NYSE: TSM) today announced its net sales for September 2007: on an unconsolidated basis, sales were NT$28,496 million, a decrease of 2.4 percent from August 2007 and an increase of 6.1 percent over September 2006. Revenues for January through September 2007 totaled NT$222,659 million, a decrease of 7.2 percent compared to the same period in 2006.

On a consolidated basis, net sales for September 2007 were NT$ 29,453 million, a decrease of 1.9 percent from August 2007 and an increase of 8.2 percent from September 2006; revenues for January through September 2007 totaled NT$228,769 million, a decrease of 5.6 percent compared to the same period in 2006.