6-K

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 September 2010

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: .)

Taiwan Semiconductor Manufacturing Company Limited

For the month of August 2010

This is to report 1) the changes in the shareholdings of our board directors, executive officers and shareholders who own more than 10% of total outstanding common shares of Taiwan Semiconductor Manufacturing Company Ltd. (The Company; “TSMC”) (NYSE:TSM); 2) the pledge and clear of pledge of TSMC common shares by our board directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC; 3) the acquisition of assets by TSMC and 4) the disposition of assets by TSMC for the month of August 2010.

The changes in the shareholdings of our board directors, executive officers and shareholders who own more than 10% of total outstanding common shares:

Number of shares held

Title

Name

as of July 31, 2010

as of August 31, 2010

Changes

Chairman & CEO

Morris Chang

119,137,914

121,137,914

2,000,000

Board Director

Rick Tsai

33,654,505

34,481,046

826,541

Vice President

Wei-Jen Lo

2,797,127

2,787,127

-10,000

Vice President

J. K. Wang^Note

2,353,947

2,553,947

200,000


Note:		J. K. Wang was new appointed.

The pledge and clear of pledge of TSMC common shares by our board directors, executive officers and shareholders who own more than 10% of total outstanding common shares: None.

The acquisition of assets:


Description of assets	Purchase price
Manufacturing Equipment	NT$6,630,788,679
Facility and engineering equipment	NT$5,087,471,281
Investment in Mainland China	US$	225,000,000

The disposition of assets: None.

1/1

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: September 21, 2010	By	/s/ Lora Ho
		Lora Ho
		Vice President & Chief Financial Officer