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 November 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: ___.)

 

 

TSMC October 2005 Sales Set Record High

Hsinchu, Taiwan, R.O.C. — November 9, 2005 — TSMC (TAIEX: 2330, NYSE: TSM) today announced that net sales for October 2005 reached a record high of NT$26,227 million, and that revenues for January through October 2005 were NT$209,654 million.

Ms. Lora Ho, TSMC vice president and chief financial officer, noted that, “Due to continued demand recovery from our customers, wafer shipments for October 2005 increased over September 2005. As a result, net sales for October 2005 increased by 4.0 percent compared to September 2005. On a year-over-year basis, net sales for October 2005 increased 14.2 percent.”

TSMC Sales Report:

														(Unit: NT$ million)
	Net Sales				2005	*				2004				Increase (Decrease) %
	October				26,227					22,970				14.2
	January through October				209,654					215,087				(2.5)
	* Year 2005 figures have not been audited.

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

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 October 2005.

1) Sales volume (in NT$ thousand)
	Period			Items			2005					2004
	Oct			Invoice amount				24,819,948					23,385,866
	Jan — Oct			Invoice amount				198,409,867					208,037,939
	Oct			Net sales				26,227,155					22,969,780
	Jan — Oct			Net sales				209,654,203					215,087,263

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

Limit of lending

Oct

Bal. as of period end

TSMC

82,222,226

—

—

TSMC’s subsidiaries

33,147,314

32,670*

3,019,590

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

3) Endorsements and guarantees (in NT$ thousand)
				Limit of endorsements					Oct					Bal. as of period end
	TSMC				102,777,783					25,410*					2,348,570
	TSMC’s subsidiaries				N/A					—					—
	TSMC endorses for subsidiaries									25,410*					2,348,570
	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 NT$ thousand)
	Hedging purpose (for assets / liabilities denominated in foreign currencies)
							Forward					Swap					Others
	Margin Payment							—					—					—
	Premium Income (Expense)							—					—					—
	Outstanding			Notional Amount				32,918,263					41,032,925					—
	Contracts			Mark to Market Profit/Loss				(31,930	)				(755,195	)				—
	Expired			Notional Amount				118,736,853					242,886,173					—
	Contracts			Realized Profit/Loss				(190,389	)				(2,171,425	)				—

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.