1934 Act Registration No. 1-14700 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2003 Taiwan Semiconductor Manufacturing Company Ltd. (Translation of Registrant's Name Into English) No. 8 Li-Hsin Rd. 6, Science Park Hsin-chu, Taiwan (Address of Principal Executive Offices) (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.) Form 20-F [X] Form 40-F [_] (Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.) Yes [_] No [X] (If "Yes" is marked, indicated below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82: _______.) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Taiwan Semiconductor Manufacturing Company Ltd. Date: January 27, 2004 By /s/ Lora Ho --------------------------------------------- Lora Ho Vice President & Chief Financial Officer Taiwan Semiconductor Manufacturing Company Limited For the month of December 2003 This is to report 1) the trading of directors, supervisors, executive officers and shareholders who own more than 10% of total outstanding common shares of Taiwan Semiconductor Manufacturing Company Ltd. (The Company; "TSMC") (NYSE:TSM); 2) the pledge and clear of pledge of TSMC common shares by directors, supervisors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC; 3) the acquisition of assets by TSMC and 4) the disposition of assets by TSMC for the month of December 2003. 1)The trading of directors, supervisors, executive officers and shareholders who own more than 10% of total outstanding common shares: --------------------------------------------------------------------------------------------------------- Number of Number of shares held as shares held as Title Name November 30, December 31, Changes 2003 2003 --------------------------------------------------------------------------------------------------------- Director & Deputy CEO F. C. Tseng 34,189,219 34,159,219 -30,000 --------------------------------------------------------------------------------------------------------- Director & President Rick Tsai 21,347,456 21,117,456 -230,000 --------------------------------------------------------------------------------------------------------- Vice President C. C. Wei 3,682,721 3,638,721 -44,000 --------------------------------------------------------------------------------------------------------- Vice President Mark Liu 8,213,995 8,103,995 -110,000 --------------------------------------------------------------------------------------------------------- Vice President J. B. Chen 5,483,881 5,456,881 -27,000 --------------------------------------------------------------------------------------------------------- Vice President Ping Yang 4,830,812 4,705,812 -125,000 --------------------------------------------------------------------------------------------------------- 2)The pledge and clear of pledge of TSMC common shares by directors, supervisors, executive officers and shareholders who own more than 10% of total outstanding common shares: ------------------------------------------------------------------------------------------------------------------------------------ Date of clear of Accumulated number of common Title Name pledge shares pledged as of December 31, 2003 ------------------------------------------------------------------------------------------------------------------------------------ Director & Supervisor The Development Fund 12/24/2003 0 12/31/2003 ------------------------------------------------------------------------------------------------------------------------------------ Senior Vice President Quincy Lin 12/05/2003 12/10/2003 1,916,000 ------------------------------------------------------------------------------------------------------------------------------------ 3)The acquisition of assets: ------------------------------------------------------------------------------------------------------------------------------------ Description of assets Purchase price ------------------------------------------------------------------------------------------------------------------------------------ Manufacturing Equipment NT$11,752,088,975 ------------------------------------------------------------------------------------------------------------------------------------ Facility and engineering equipment NT$539,458,995 ------------------------------------------------------------------------------------------------------------------------------------ 4)The disposition of assets:None. 1