The timetable for distribution of TSMC stock dividend of 0.45 share per Common Share is set as follows:
|Local (Taiwan) payable date||August 11, 1998|
|US payable date||August 25, 1998|
|US ex-dividend date||August 26, 1998|
TSMC ADR investors who receive 45% stock dividend evidenced by American Depositary Shares (ADSs) are subject to ROC withholding tax, currently at the rate of 20% on the par value of Common Shares.