TSMC June 2006 Sales Report

Hsinchu, Taiwan, R.O.C. - July 10, 2006 - TSMC (TAIEX: 2330, NYSE: TSM) today announced its net sales for June 2006: on an unconsolidated basis, sales were NT$27,295 million, an increase of 2.0 percent over May 2006 and an increase of 35.8 percent over June 2005; revenues for January through June 2006 totaled NT$158,521 million, an increase of 38.8 percent over the same period in 2005.

On a consolidated basis, net sales for June 2006 were NT$27,647 million, an increase of 1.9 percent over May 2006; revenues for January through June 2006 totaled NT$160,010 million.

TSMC Sales Report (Unconsolidated):

(Unit: NT$ million)

* Year 2006 figures have not been audited.