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 March 2004 Taiwan Semiconductor Manufacturing Company Ltd. (Translation of Registrant's Name Into English) No. 8, Li-Hsin Rd. 6, Hsinchu Science Park, 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 V 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 V ------- ------- (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: April 23, 2004 By /s/ Lora Ho ---------------------------------- Lora Ho Vice President & Chief Financial Officer Taiwan Semiconductor Manufacturing Company Limited For the month of March 2004 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 March 2004. 1)The trading of directors, supervisors, executive officers and shareholders who own more than 10% of total outstanding common shares: ------------------------------------------------------------------------------------------------------------------------------------ Number of Number of Title Name shares held as of shares held as Changes February 29, 2004 of March 31, 2004 ------------------------------------------------------------------------------------------------------------------------------------ Chairman Morris Chang 102,383,349 102,383,351 2 ------------------------------------------------------------------------------------------------------------------------------------ Director & Deputy CEO F. C. Tseng 33,809,219 33,659,219 -150,000 ------------------------------------------------------------------------------------------------------------------------------------ Director, President & COO Rick Tsai 20,807,456 20,657,456 -150,000 ------------------------------------------------------------------------------------------------------------------------------------ Senior Vice President S.Y. Chiang 10,389,909 10,379,909 -10,000 ------------------------------------------------------------------------------------------------------------------------------------ Senior Vice President Kenneth Kin 1,902,515 1,842,515 -60,000 ------------------------------------------------------------------------------------------------------------------------------------ Vice President Mark Liu 7,963,995 7,913,995 -50,000 ------------------------------------------------------------------------------------------------------------------------------------ Vice President J. B. Chen 5,366,881 5,285,881 -81,000 ------------------------------------------------------------------------------------------------------------------------------------ Vice President & General Counsel Richard Thurston 834,309 814,309 -20,000 ------------------------------------------------------------------------------------------------------------------------------------ Senior Director L.C. Tu 6,279,701 6,267,701 -12,000 ------------------------------------------------------------------------------------------------------------------------------------ 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 : None. 3) The acquisition of assets: -------------------------------------------------------------------------------- Description of assets Purchase price -------------------------------------------------------------------------------- Manufacturing Equipment NT$1,847,212,164 -------------------------------------------------------------------------------- JF Taiwan Bond Fund NT$1,000,000,000 -------------------------------------------------------------------------------- JF Taiwan First Bond Fund NT$1,250,000,000 -------------------------------------------------------------------------------- ABN AMRO Bond Fund NT$2,200,000,000 -------------------------------------------------------------------------------- INVESCO R. O. C. Bond Fund NT$1,000,000,000 -------------------------------------------------------------------------------- 4) The disposition of assets: -------------------------------------------------------------------------------- Description of assets -------------------------------------------------------------------------------- US$ Liquid Reserves Fund US$20,000,000 -------------------------------------------------------------------------------- Global Liquidity U.S. Dollar Fund US$40,000,000 --------------------------------------------------------------------------------