TSMC December 2005 Sales Report

Hsinchu, Taiwan, R.O.C. – January 9, 2006 -- TSMC (TAIEX: 2330, NYSE: TSM) today announced that net sales for December 2005 totaled NT$27,416 million. Full-year sales for 2005 increased 3.4 percent over 2004, to a record high of NT$264,588 million.

Compared to the record monthly high of November 2005, net sales for December 2005 decreased slightly by 0.4 percent. On a year-over-year basis, net sales for December 2005 increased 37.6 percent.