Taiwan Semiconductor Manufacturing Company Limited Stock Dividend Details for Common Shares

Science-Based Industrial Park, Hsin-Chu, Taiwan, June 5, 2002 - Taiwan Semiconductor Manufacturing Company Ltd. (TSMC or the "Company") (NYSE: TSM) today announced details in respect of its previously-announced 10% stock dividend that relate to its TSE-listed common shares.

The Company set the record date for TSMC common shares listed and traded on the Taiwan Stock Exchange to be June 25, 2002. As required by Article 165 of the Company Law, the shareholders' register shall be closed for registration of transfer from June 21 through June 25, 2002. To be entitled for the above-mentioned stock dividend, any person acquires TSMC's common shares without being registered as a holder shall apply for the shareholders' registration with the Agency Department of China Trust Commercial Bank before 5:00 p.m., June 20, 2002, in person; or, by mails with postmark of the said date.

Details for the stock dividend of TSMC's NYSE-listed American Depositary Shares ("ADSs") will be announced shortly this week.

Agency Department of China Trust Commercial Bank Add: 5th Floor, No. 83, Sec. 1, Chungking S. Rd., Taipei, ROC Tel: 886-2-2361-3033