TSMC April 2007 Sales Report

Hsinchu, Taiwan, R.O.C. – May 10, 2007 - TSMC (TAIEX: 2330, NYSE: TSM) today announced its net sales for April 2007: on an unconsolidated basis, sales were NT$22,513 million, an increase of 2.7 percent over March 2007 and a decrease of 17.1 percent from April 2006. Revenues for January through April 2007 totaled NT$85,859 million, a decrease of 17.8 percent compared to the same period in 2006.

On a consolidated basis, net sales for April 2007 were NT$ 23,094 million, an increase of 2.4 percent over March 2007 and a decrease of 15.7 percent from April 2006.; revenues for January through April 2007 totaled NT$87,991 million, a decrease of 16.4 percent compared to the same period in 2006.