forms-8pos.htm

As filed with the Securities and Exchange Commission on July 20, 2007

Registration No. 333-82698

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Post-Effective Amendment No. 1 to

FORM S-8

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

CIBA SPECIALTY CHEMICALS HOLDING INC.

(Exact name of registrant as specified in its charter)

Switzerland

(State or other jurisdiction

of incorporation or organization)

N/A

(I.R.S. Employer Identification No.)

Klybeckstrasse 141

4002 Basel, Switzerland

(Address of Principal Executive Offices)

_____________________________

Ciba Specialty Chemicals Corporation 1999 Stock Option Plan

(Full title of plans)

_____________________________

CT Corporation System

111 Eighth Avenue (13th Floor)

New York, NY 10011

(212) 894-8940

(Name, address and telephone number, including area code, of agent for service)

DEREGISTRATION OF SECURITIES

Ciba is terminating its reporting obligations under the Securities Exchange Act of 1934, pursuant to its Form 15F filing with the Commission on July 20, 2007. Pursuant to Rule 478 under the Securities Act of 1933, as amended, Ciba Specialty Chemicals Holding Inc. (“Ciba”) hereby withdraws from registration under Ciba’s Registration Statement on Form S-8 (File No. 333-82698), filed with the Commission on February 13, 2002 (the “Registration Statement”), any and all American Depositary Shares (“ADSs”) of Ciba registered hereunder which have not been issued or sold and terminates the Registration Statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, Ciba Specialty Chemicals Holding Inc. certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No. 1 to its Registration Statement on Form S-8 (File No. 333-82698) to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Basel, Switzerland, on July 20, 2007.

	CIBA SPECIALTY CHEMICALS HOLDING INC.

	By:	/s/ Juerg Fedier
		Name: Juerg Fedier
		Title: Head of Finance Chief Financial Officer


	By:	/s/ Thomas Koch
		Name: Thomas Koch
		Title: Head of Law and Environment General Counsel