UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): March 9, 2006

OM GROUP, INC.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of incorporation)

001-12515
(Commission File Number)

52-1736882
(I.R.S. Employer Identification Number)

127 Public Square
1500 Key Tower
Cleveland, Ohio 44114-1221
(Address of principal executive offices)
(Zip code)

(216) 781-0083
(Registrant’s telephone number, including area code)

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 2.02 Results of Operations and Financial Condition.

On March 9, 2006, OM Group, Inc. issued a press release announcing the quarter and year ended December 31, 2005 financial results, a copy of which is attached as Exhibit 99 to this Current Report on Form 8-K, and hereby incorporated by reference.

Item 9.01 Financial Statements and Exhibits.

As described in Item 2.02 of this Current Report on Form 8-K, the following Exhibit is furnished as part of this Current Report on Form 8-K.

(c)

Exhibits

99

OM Group, Inc. fourth quarter 2005 press release, dated March 9, 2006.

SIGNATURE

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.