TSMC to Adjust Its Previous Financial Forecast Upwards

Hsinchu, Taiwan, November 26, 2001– Taiwan Semiconductor Manufacturing Company Ltd. (“ TSMC” or “ the Company” ) (TAIEX: 2330, NYSE: TSM) today announced that due to a recent surge in customer orders, the Company’s 2001 income before tax is expected to exceed more than 20% than that filed in September 2001. Therefore, TSMC’s financial forecast filed in September 2001 was no longer adequate.

According to the latest version of forecast, TSMC’s net sales for the year are expected to increase approximately to NT$125.36 billion and income before tax is expected to reach approximately to NT$9.35 billion. The formal, revised forecast statement for 2001 will be announced within 10 days, upon approval by the Company’s auditors.

Ms. K. C. Chen, TSMC spokesperson and senior vice president, stated the Company’s income before tax is expected to grow above 20% over that of NT$6.04 billion filed in September 2001, as a result of a substantial increase of customer orders recently. In compliance with ROC government regulations, TSMC announces that its financial forecast filed in September 2001 was no longer adequate.

Forward-Looking Statements

Except for statements in respect of historical matters, the statements contained in this Release are “forward-looking statements” within the meaning of Section 27A of the U.S. Securities Act of 1933 and Section 21E of the U.S. Securities Exchange Act of 1934. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual performance, financial condition or results of operations of Taiwan Semiconductor Manufacturing Company Limited to be materially different from any future performance, financial condition or results of operations implied by such forward-looking statements. Such factors include, among others, the factors set forth in “Item 3: Risk Factors” of the Form 20-F filed with the United States Securities and Exchange Commission on June 21, 2001 and other factors disclosed in our other documents filed or submitted to the United States Securities and Exchange Commission including, without limitation, our Form 6-K dated July 26, 2001. This revised forecasted financial statements included herein were published on September 27, 2001 in accordance with the Republic of China Securities and Futures Commission’s “Guidelines for Publication of Financial Forecasts of Public Companies”. The attached financial forecasts reflect the current belief of TSMC as of this date and TSMC undertakes no obligation to update this forecast for events or circumstances that occur subsequent to this date.