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 August 2008

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 July 2008 Sales Report

Hsinchu, Taiwan, R.O.C. — August 8, 2008 — TSMC (TAIEX: 2330, NYSE: TSM) today announced its net sales for July 2008: on an unconsolidated basis, sales were NT$30,869 million, an increase of 8.3 percent over June 2008 and an increase of 7.3 percent over July 2007. Revenues for January through July 2008 totaled NT$201,694 million, an increase of 22.3 percent compared to the same period in 2007.

On a consolidated basis, net sales for July 2008 were NT$31,814 million, an increase of 7.9 percent over June 2008 and an increase of 7.9 percent over July 2007. Revenues for January through July 2008 totaled NT$207,431 million, an increase of 22.5 percent compared to the same period in 2007.

TSMC Sales Report (Unconsolidated):

(Unit: NT$ million)

										Increase (Decrease)
Net Sales		2008*				2007				%
July			30,869				28,766				7.3
January through July			201,694				164,964				22.3

TSMC Sales Report (Consolidated):

(Unit: NT$ million)

										Increase (Decrease)
Net Sales		2008*				2007				%
July			31,814				29,483				7.9
January through July			207,431				169,298				22.5

TSMC Spokesperson		TSMC Acting Spokesperson:		For Further Information:
Ms. Lora Ho Vice President and CFO Tel: 886-3-566-4602		Mr. J.H. Tzeng Deputy Director, PR Department, TSMC Tel: 886-3-505-5028 Mobile: 886-928-882607 Fax: 886-3-567-0121 E-Mail: jhtzeng@tsmc.com		Mr. Richard C.Y. Chung Technical Manager, TSMC Tel: 886-3-505-5038 Mobile: 886-911-258751 Fax: 886-3-567-0121 E-Mail: cychung@tsmc.com		Mr. Michael Kramer Senior Administrator, TSMC Tel: 886-3-505-6216 Mobile: 886-926-026632 Fax: 886-3-567-0121 E-Mail: pdkramer@tsmc.com

Taiwan Semiconductor Manufacturing Company Limited
August 08, 2008

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 July 2008.

1) Sales volume (in NT$ thousand)

Period		Items				2008				2007
July		Net sales					30,869,472				28,765,630
Jan.-July		Net sales					201,693,718				164,964,150

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

		Limit of lending				July				Bal. as of period end
TSMC			101,858,739				—				—
TSMC’s subsidiaries			30,221,941				—				—

3) Endorsements and guarantees (in NT$ thousand)

		Limit of endorsements				July				Bal. as of period end
TSMC			127,323,424				—				—
TSMC’s subsidiaries			N/A				—				—
TSMC endorses for subsidiaries							—				—
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)
     TSMC
     Hedging purpose (for assets / liabilities denominated in foreign currencies)

														Others
						Forward				Swap
														Buy put				Sell call
Margin Payment							—				—				—				—
Premium Income (Expense)							—				—				—				—
Outstanding Contracts		Notional Amount					5,238,625				33,307,138				—				—
		Mark to Market					1,906				(241,029	)			—				—
		Profit/Loss
Expired Contracts		Notional Amount					12,568,656				224,317,993				—				—
		Realized Profit/Loss					(171,259	)			1,644,649				—				—

     TSMC’s subsidiaries
     Hedging purpose (for assets / liabilities denominated in foreign currencies)

														Others
						Forward				Swap
														Buy put				Sell call
Margin Payment							—				—				—				—
Premium Income (Expense)							—				—				—				—
Outstanding Contracts		Notional Amount					609,893				—				—				—
		Mark to Market					(3,867	)			—				—				—
		Profit/Loss
Expired Contracts		Notional Amount					2,818,289				—				—				—
		Realized Profit/Loss					(3,463	)			—				—				—

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.