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 2005

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:                     .)

 

 

Hsinchu, Taiwan, R.O.C. — December 8, 2005 — TSMC (TAIEX: 2330, NYSE: TSM) today announced that net sales for November 2005 reached a record high of NT$27,518 million, and that revenues for January through November 2005 were NT$237,172 million.

Ms. Lora Ho, TSMC vice president and chief financial officer, noted that, “Due to continued demand increase from our customers, wafer shipments for November 2005 grew over October 2005. As a result, net sales for November 2005 increased by 4.9 percent compared to October 2005. On a year-over-year basis, net sales for November 2005 increased 31.1 percent.”

TSMC Sales Report:

(Unit: NT$ million)

Net Sales		2005*				2004				Increase (%)
November			27,518				20,986				31.1
January through November			237,172				236,073				0.5

TSMC Spokesperson:

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

TSMC Acting Spokesperson:

 
Mr. J.H. Tzeng
PR Department Manager, TSMC
Tel: 886-3-666-5028
Mobile: 0928-882607
Fax: 886-3-567-0121
E-Mail: jhtzeng@tsmc.com

For further information, please contact:

 
Richard C.Y. Chung
Media Relations Manager, TSMC
Tel: 886-3-666-5038
Mobile: 886-911-258751
Fax: 886-3-567-0121
E-Mail: cychung@tsmc.com

Taiwan Semiconductor Manufacturing Company Limited
December 08, 2005

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 November 2005.

1) Sales volume (in NT$ thousand)

Period		Items				2005				2004
Nov.		Invoice amount					24,692,066				22,905,336
Jan — Nov.		Invoice amount					223,129,752				230,943,275
Nov.		Net sales					27,518,437				20,985,825
Jan — Nov.		Net sales					237,172,641				236,073,088

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

		Limit of lending				Nov.				Bal. as of period end
TSMC			82,222,226				—				—
TSMC’s subsidiaries			33,112,735				(3,150	)*			3,016,440

3) Endorsements and guarantees (in NT$ thousand)

		Limit of endorsements				Nov.				Bal. as of period end
TSMC			102,777,783				(2,450	)*			2,346,120
TSMC’s subsidiaries			N/A				—				—
TSMC endorses for subsidiaries							(2,450	)*			2,346,120
TSMC’s subsidiaries endorse for TSMC							—				—
TSMC endorses for PRC companies							—				—
TSMC’s subsidiaries endorse for PRC companies							—				—

4) Financial derivative transactions (in NT$thousand)

     Hedging purpose (for assets / liabilities denominated in foreign currencies)

						Forward				Swap				Others
Margin Payment							—				—				—
Premium Income (Expense)							—				—				—
Outstanding Contracts		Notional Amount					14,182,045				62,655,303				—
		Mark to Market Profit/Loss					(54,249	)			(358,325	)			—
Expired Contracts		Notional Amount					147,742,350				259,041,688				—
		Realized Profit/Loss					(366,961	)			(2,848,351	)			—

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.