Taiwan Semiconductor Manufacturing Company Limited Stock Dividend Details for ADSs

Science-Based Industrial Park, Hsin-Chu, Taiwan, June 6, 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 NYSE-listed American Depositary Shares (“ADSs”).

The record date for ADSs entitled to participate in this stock dividend will be June 21, 2002 and the ADSs ex-dividend date will be June 19, 2002. The common share distribution date with respect to the upcoming stock dividend is expected to be on or about middle of July, 2002. The actual distribution date is subject to ROC regulatory approvals. The ADSs distribution date will be about one to two weeks after the common share dividend is distributed. The Company will separately announce the distribution dates for common share and ADSs as soon as they become available.

Any questions regarding this upcoming stock dividend for the ADSs may be directed to Miss Emi Mak at CitiBank NY (Tel: 212-657-2770).