EXECUTIVES

Joseph Scaminace, age 57, has been a Director and Chief Executive Officer of OM Group since June 2005, and Chairman of the Board since August 2005.  From 1999 to June 2005, Mr. Scaminace was President, Chief Operating Officer and a Board member of The Sherwin-Williams Company, a manufacturer and distributor of coatings.  Mr. Scaminace is a member of the Board of Directors of Parker-Hannifin Corporation (NYSE:PH), a global producer of fluid power systems, electromechanical controls and related components, and the Board of Trustees of The Cleveland Clinic Foundation, a provider of health care services.