TSMC October 2006 Sales Report

Hsinchu, Taiwan, R.O.C. – November 10, 2006 - TSMC (TAIEX: 2330, NYSE: TSM) today announced its net sales for October 2006: on an unconsolidated basis, sales were NT$26,850 million, approximately at the same level compared to September 2006 and an increase of 2.4 percent over October 2005. Revenues for January through October 2006 totaled NT$266,796 million, an increase of 27.3 percent over the same period in 2005.

On a consolidated basis, net sales for October 2006 were NT$ 27,032 million, a decrease of 0.6 percent from September 2006; revenues for January through October 2006 totaled NT$ 269,482 million.