EX-23 4 l86675aex23.txt EX-23 CONSENT OF ERNST & YOUNG 1 Exhibit 23 - Consent of Ernst & Young LLP We consent to the incorporation by reference in the following Registration Statements of OM Group, Inc. of our report dated February 9, 2001, with respect to the consolidated financial statements of OM Group, Inc. included in this Form 10-K (Annual Report) for the year ended December 31, 2000:
Registration Number Description Filing Date ------ ----------- ----------- 33-74674 OM Group, Inc. Long-Term Incentive Compensation Plan - Form S-8 Registration Statement - 1,015,625 Shares January 27, 1994 333-07529 OMG Americas, Inc. Employees' Profit Sharing Plan -- Form S-8 Registration Statement - 250,000 Shares July 3, 1996 333-07531 OM Group, Inc. Non-Employees Directors' Equity Plan -- Form S-8 Registration Statement - 250,000 Shares July 3, 1996 333-47230 OM Group, Inc. 1998 Long-Term Incentive Compensation Plan -- Form S-8 Registration Statement -- 2,000,000 Shares October 3, 2000 /s/ Ernst & Young LLP --------------------- Cleveland, Ohio March 16, 2001