TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
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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 May 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  þ       Form 40-F  o

     (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  o       No  þ

     (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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TSMC May Sales Set Record High

Hsinchu, Taiwan, June 9, 2004 - Taiwan Semiconductor Manufacturing Company Ltd. (TSMC) (“the Company”) (TAIEX: 2330, NYSE: TSM) today announced that net sales for May 2004 reached a record high of NT$21,720 million, representing a 5.3 percent increase over April 2004. On a year-over-year basis, net sales for May 2004 increased 29.2 percent.

Revenues for January through May 2004 totaled NT$99,863 million, an increase of 39.9 percent over the same period in 2003.

Ms. Lora Ho, TSMC vice president and chief financial officer, noted that, “TSMC’s wafer shipments for May 2004 continued to grow over April 2004 due to increased market demand. As a result, sales revenues for May 2004 continued to rise and reached a record high.”

#          #          #

                         
Sales Report:           (Unit: NT$ million)







Net Sales
  2004(1)
  2003
  Growth Rate
May
    21,720       16,812       29.2 %
January through May
    99,863       71,401       39.9 %

(1): Year 2004 figures have not been reviewed.

TSMC Spokesperson:
Ms. Lora Ho
Vice President and CFO
Tel: 886-3-566-4602

                     
For further information, please contact:
Mr. J.H. Tzeng   Mr. Jesse Chou   Mr. Richard Chung
PR Department Manager, TSMC   Public Affairs Manager, TSMC   PR Principal Specialist, TSMC
Tel:
  886-3-666-5028 (O)   Tel:   886-3-666-5029 (O)   Tel:   886-3-666-5038 (O)
  886-928-882-607(Mobile)       886-932-113-258(Mobile)       886-911-258-751(Mobile)
Fax:
  886-3-567-0121   Fax:   03-5670121   Fax:   03-5670121
E-mail: jhtzeng@tsmc.com   E-Mail: jhchoua@tsmc.com   E-Mail: cychung@tsmc.com  


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Taiwan Semiconductor Manufacturing Company Limited

June 09, 2004

This is to report the changes or status of 1) sales volume, 2) funds lent to other parties, 3) endorsements and guarantees, and 4) financial derivative transactions for the period of May 2004.

1) Sales volume (in NT$ thousand)

                                     
Period
  Items
  2004
  2003
  Changes
  (%)
May
  Invoice amount     19,838,393       14,589,050       5,249,343       35.98 %
Jan — May
  Invoice amount     94,545,738       65,364,835       29,180,903       44.64 %
May
  Net sales     21,719,561       16,811,729       4,907,832       29.19 %
Jan — May
  Net sales     99,863,372       71,401,353       28,462,019       39.86 %

2) Funds lent to other parties (in NT$ thousand)

                         
    Limit of lending
  May
  Bal. as of period end
TSMC
    69,317,208              
TSMC’s subsidiaries
    32,987,264       3,000 *     5,008,350  


*   The deviation was due to the fluctuation in currency exchange rate.

3) Endorsements and guarantees (in NT$ thousand)

                         
    Limit of endorsements
  May
  Bal. as of period end
TSMC
    86,646,511       10,800 *     18,030,060  
TSMC’s subsidiaries
    N/A              
TSMC endorses for subsidiaries
            10,800 *     18,030,060  
TSMC’s subsidiaries endorse for TSMC
                   
TSMC endorses for PRC companies
                   
TSMC’s subsidiaries endorse for PRC companies
                   


*   The deviation was due to the fluctuation in currency exchange rate.

4) Financial derivative transactions (in thousand)

a-1. Hedging purpose (for assets / liabilities denominated in foreign currencies)

                         
Underlying assets / liabilities
  Liabilities:   YEN:     0  
 
          EUR:     0  
 
  Assets:   US$:     2,155,000  
Financial instruments
                  FX forward contracts  
Recognized profit (loss)
                  NT$7,867  

a-2. Hedging purpose (for the position of fixed rate liabilities / floating rate assets)

                         
Underlying assets / liabilities
  Liabilities:   NT$:     3,000,000  
 
          US$:     2,857  
 
  Assets   US$:      
Financial instruments
                  Interest rate swap  
Recognized profit (loss)
                     

     b. Trading purpose: None.


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TSMC May Sales Set Record High
Taiwan Semiconductor Manufacturing Company Limited
SIGNATURES


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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: June 9, 2004  By /s/ Lora Ho    
  Lora Ho   
  Vice President & Chief Financial Officer