TSMC Files Form 20-F for 2009 with US Securities and Exchange Commission

Hsinchu, Taiwan, R.O.C. - April 15, 2010 - TSMC (TWSE: 2330, NYSE: TSM) today filed its 2009 annual report on Form 20-F with the US Securities and Exchange Commission. The report is available at http://www.tsmc.com/english/e_investor/e02_annual/e02_annual.htm.

Shareholders may request a hard copy of the complete audited financial statements free of charge. Please forward your request via http://citibank.ar.wilink.com.