1934 Act Registration No. 1-14700

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SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

 

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FORM 6-K

 

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF

THE SECURITIES EXCHANGE ACT OF 1934

 

For the month of May 2004

 

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Taiwan Semiconductor Manufacturing Company Ltd.

(Translation of Registrant’s Name Into English)

 

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No. 8, Li-Hsin Rd. 6,

Hsinchu Science Park,

Taiwan

(Address of Principal Executive Offices)

 

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(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:             .)

 

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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: May 21, 2004		By		/s/ Lora Ho
				Lora Ho
				Vice President & Chief Financial Officer

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TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED

 

This is to report the amount of common shares bought back by TSMC from the Taiwan Stock Exchange on May 21, 2004.

 

Date		05/21/2004
Number of common shares bought back			11,000,000
Value of common shares bought back		NT$	609,373,688
Average buyback price per share		NT$	55.40
Accumulative number of shares bought back			124,720,000
Percentage of accumulative shares bought back to total outstanding common shares			0.62	%

 

Note: The Company’s Share Buyback Plan has concluded on May 21, 2004.