TSMC May 2009 Sales Report

Hsinchu, Taiwan, R.O.C. - June 10, 2009 - TSMC (TWSE: 2330, NYSE: TSM) today announced its net sales for May 2009: on an unconsolidated basis, sales were approximately NT$24.47 billion, an increase of 12.6 percent over April 2009 and a decrease of 15.6 percent from May 2008. Revenues for January through May 2009 totaled NT$83.78 billion, a decrease of 41.1 percent compared to the same period in 2008.

On a consolidated basis, net sales for May 2009 were approximately NT$ 25.25 billion, an increase of 12.5 percent over April 2009 and a decrease of 15.3 percent from May 2008. Revenues for January through May 2009 totaled NT$87.20 billion, a decrease of 40.3 percent compared to the same period in 2008.