OM Group, Inc. (OMG) will hold its quarterly conference call to discuss third quarter results on Tuesday, October 30, 2001, at 10:00 a.m. Eastern Time. This call is being webcast by CCBN and can be accessed at OMG's web site at http://www.omgi.com. The webcast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at http://www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network such as America Online's Personal Finance Channel, Fidelity Investments(R), , http://www.fidelity.com and others. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents at http://www.streetevents.com.