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

Taiwan Semiconductor Manufacturing Company Ltd.

(Translation of Registrant’s Name Into English)

(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 Board Approves Conversion of Philips’ TSMC Common Shares to ADSs

Hsinchu, Taiwan, R.O.C., April 2, 2007 — TSMC’s Board of Directors held a special board meeting today and approved the sponsorship of conversion of up to 1.2 billion TSMC common shares to American Depository Shares (ADSs) on behalf of Royal Philips Electronics.

Philips is considering an offering of up to 1.2 billion TSMC common shares, which when converted equate to 240 million ADSs. One TSMC ADS represents five TSMC common shares.

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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: 886-3-505-5028
Mobile: 0928-882607
Fax: 886-3-567-0121
E-Mail: jhtzeng@tsmc.com

For further information, please contact:

Richard Chung		Dana Tsai
Media Relations Manager, TSMC		Senior Administrator, TSMC
Tel: 886-3-505-5038		Tel: 886-3-505-5036
Mobile: 886-911-258751		Mobile: 886-920-483591
Fax: 886-3-567-0121		Fax: 886-3-567-0121
E-Mail: cychung@tsmc.com		E-Mail: dana_tsai@tsmc.com

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: April 2, 2007		By	/s/ Lora Ho
			Lora Ho
			Vice President & Chief Financial Officer