TSMC January 2007 Sales Report

Hsinchu, Taiwan, R.O.C. - February 9, 2007 - TSMC (TAIEX: 2330, NYSE: TSM) today announced its net sales for January 2007: on an unconsolidated basis, sales were NT$20,851 million, a decrease of 6.8 percent from December 2006 and a decrease of 20.3 percent from January 2006.

On a consolidated basis, net sales for January 2007 were NT$ 21,389 million, a decrease of 6.5 percent from December 2006.