TSMC Stock Dividend Details for NYSE-listed ADSs

Taiwan Semiconductor Manufacturing Company Ltd. (TSMC or the “Company”) (NYSE: TSM) today announced details in respect of its previously-announced 8% stock dividend that relate to its NYSE-listed American Depositary Shares (“ADSs”).

The record date for ADSs entitled to participate in this stock dividend will be July 9, 2003 and the ADSs ex-dividend date will be July 7, 2003. The distribution date with respect to the stock dividend will be August 7, 2003 for the ADSs (and July 31, 2003 for the common shares) respectively. Holders of ADSs are encouraged to check with their securities brokers for the receipt of the stock dividend in their own accounts.

Any questions regarding this upcoming stock dividend may be directed to Miss Emi Mak at CitiBank, N.A. (Tel: 1-212-657-2770 / email: emi.p.mak@citigroup.com) or TSMC Investor Relations (Tel: 886-3-568-2080 / email: invest@tsmc.com.tw).