Investor FAQ

1.Which exchange does OM Group, Inc. stock trade on, and what is the Company’s stock symbol?
2.When was OM Group’s initial public offering?
3.What is OM Group’s dividend policy or buyback program?
4.Does OM Group have a direct stock-purchase plan?
5.How can I obtain copies of OM Group’s most recent financial statements, such as the annual report, 10-Q or 10-K filings?
6.How do I contact investor relations?
7.Who is the Company’s transfer agent, and how do I reach it?
8.Who is OM Group’s independent auditor?
9.What is OM Group’s CUSIP number?
10.When and where is the annual meeting of shareholders?
1.Which exchange does OM Group, Inc. stock trade on, and what is the Company’s stock symbol?
 Our common stock is listed on the New York Stock Exchange (NYSE) under the symbol OMG.

2.When was OM Group’s initial public offering?
 We had our initial public offering and began trading on Oct. 13, 1993, at $14 per share in the NASDAQ National Market.

3.What is OM Group’s dividend policy or buyback program?
 In the first quarter of 2014, OM Group initiated a quarterly cash dividend. In the first quarter of 2015, the dividend was increased by 10 percent to $0.825/share. The Board of Directors has authorized share repurchases of up to $100 million, of which $49 million has been repurchased through 2014, and $51 million remains available for repurchase with no expiration. The timing of repurchases depends on several factors including market and business conditions.

4.Does OM Group have a direct stock-purchase plan?
 No, we do not currently have a direct stock-purchase plan.

5.How can I obtain copies of OM Group’s most recent financial statements, such as the annual report, 10-Q or 10-K filings?
 To obtain financial information on us, please click here.

6.How do I contact investor relations?
 Investor Relations, can be reached at:

OM Group, Inc.
950 Main Avenue
Suite 1300
Cleveland, Ohio 44113
Phone: 216-263-7489
Fax: 216-263-7757

7.Who is the Company’s transfer agent, and how do I reach it?
 Computershare serves as our transfer agent, and can be reached at:.

Written requests:
Computershare
P.O. Box 43078
Providence, RI 02940
800-622-6757 (US, Canada, Puerto Rico)
781-575-4735 (non-US)
web.queries@computershare.com

By overnight delivery:
Computershare
250 Royall Street
Canton, MA 02021

Internet inquiries: Investor Centre™ website at www.computershare.com/investor


8.Who is OM Group’s independent auditor?
 OM Group’s independent auditor is Ernst & Young LLP.

9.What is OM Group’s CUSIP number?
 OM Group’s CUSIP number is #670872100.

10.When and where is the annual meeting of shareholders?
 Our annual meeting will be held on Tuesday, May 13, 2014, in the Riviera Ballroom at Aloft Hotel, 1111 W. 10th Street, Cleveland, Ohio 44113, at 10:00 a.m.