TSMC April 2012 Sales Report

Hsinchu, Taiwan, R.O.C. – May 10, 2012 - TSMC (TWSE: 2330, NYSE: TSM) today announced its net sales for April 2012: On an unconsolidated basis, net sales were approximately NT$40.01 billion, an increase of 9.3 percent over March 2012 and an increase of 10.4 percent over April 2011. Revenues for January through April 2012 totaled NT$144.26 billion, an increase of 3.9 percent compared to the same period in 2011.

On a consolidated basis, net sales for April 2012 were approximately NT$40.5 billion, an increase of 9.2 percent over March 2012 and an increase of 9.1 percent over April 2011. Consolidated revenues for January through April 2012 totaled NT$146 billion, an increase of 2.5 percent compared to the same period in 2011.