TSMC May 2011 Sales Report

Hsinchu, Taiwan, R.O.C. – June 10, 2011 - TSMC (TWSE: 2330, NYSE: TSM) today announced its net sales for May 2011: On an unconsolidated basis, net sales were approximately NT$35.96 billion, a decrease of 0.7 percent over April 2011 and an increase of 6.3 percent over May 2010. Revenues for January through May 2011 totaled NT$174.74 billion, an increase of 12.2 percent compared to the same period in 2010.

On a consolidated basis, net sales for May 2011 were approximately NT$ 36.71 billion, a decrease of 1.1 percent over April 2011 and an increase of 5.4 percent over May 2010. Revenues for January through May 2011 totaled NT$179.21 billion, an increase of 11.4 percent compared to the same period in 2010.