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

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 March 2011

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 March 2011.

1)

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

						Number of shares held as of				Number of shares held as of
Title		Name				Feb. 28, 2011				March 31, 2011				Changes
Board Director / President New Businesses		Rick Tsai					34,481,046				34,391,046				-90,000
Senior Vice President & General Counsel		Richard Thurston					1,839,892				1,824,892				-15,000
Senior Vice President		Mark Liu					12,840,573				13,667,114				826,541
Senior Vice President		Jason C.S. Chen					2,453,320				2,443,320				-10,000
Vice President		Y. P. Chin					4,459,823				4,440,823				-19,000

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:

Number of shares pledged as

Number of shares pledged as

Title

Name

of Feb. 28, 2011

of March 31, 2011

Changes

Senior Vice President

Jason C.S. Chen

470,000

0

-470,000

3)

The acquisition of assets (in NT$ million):

Description of assets		Amount
Manufacturing Equipment		NT$18,533
Facility and engineering equipment		NT$1,989

4)

The disposition of assets (in NT$ million):

Description of assets		Amount
Manufacturing Equipment		NT$481

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.