TSMC Sets June 16 Record Date for Common Share Dividends

Hsinchu, Taiwan, R.O.C. - May 22, 2007 -- TSMC (TAIEX: 2330, NYSE: TSM) today set June 16, 2007 as the record date for its common stock entitled to participate in this cash and stock dividend distribution. The ex-dividend date for TSMC common shares shall be June 8, 2007. As required by Article 165 of Taiwan’s Company Law, the shareholders' register shall be closed for five days prior to the record date (June 12 through June 16, 2007) for registration transfer.

The ex-dividend date for TSMC American Depositary Shares (ADSs) will also be June 8, 2007. The record date for TSMC ADSs entitled to participate in this cash and stock dividend distribution will be June 12, 2007. Holders of ADSs are encouraged to check with their securities brokers for receipt of the cash and stock dividend in their own accounts. Any questions regarding this upcoming dividend may be directed to Ms. Emi Mak at CitiBank, N.A. (Tel: +1-212-816-6693; email: emi.p.mak@citi.com)