UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

JOINT CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): February 1, 2012

Rockwood Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware		001-32609		52-2277366
(Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification Number)

100 Overlook Center
Princeton, New Jersey 08540

(Address of registrant’s principal executive office)

(609) 514-0300

(Registrant’s telephone number)

Rockwood Specialties Group, Inc.

(Exact name of registrant as specified in its charter)

Delaware		333-109686		52-2277390
(Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification Number)

7101 Muirkirk Road
Beltsville, Maryland 20705

(Address of registrant’s principal executive office)

(301) 470-3366

(Registrant’s telephone number)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01. Regulation FD Disclosure.

The senior management of Rockwood Holdings, Inc. is using the presentation attached as Exhibit 99.1 to this Current Report on Form 8-K at a lender conference.

The information disclosed in this Current Report on Form 8-K and Exhibit 99.1 is being furnished pursuant to Item 7.01 and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.		Description

99.1		Presentation Materials

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each of the Registrants has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ROCKWOOD HOLDINGS, INC.


By:	/s/ Michael W. Valente
	Name: Michael W. Valente
	Title: Assistant Secretary


ROCKWOOD SPECIALTIES GROUP, INC.


By:	/s/ Michael W. Valente
	Name: Michael W. Valente
	Title: Assistant Secretary


Dated: February 1, 2012

ROCKWOOD SPECIALTIES GROUP INC 8-K