Our Company OM Group, Inc. is a diversified global developer, producer and marketer of value-added specialty chemicals and advanced materials that are essential to complex chemical and industrial processes. Key technology-based end-use applications include affordable energy, portable power, clean air, clean water and proprietary products and services for the microelectronics industry. Headquartered in Cleveland, Ohio, OM Group operates manufacturing facilities in the Americas, Europe, Asia and Africa. We employ approximately 2,100 associates worldwide. OM Group stock trades on the New York Stock Exchange under the symbol O