Press Release

Calgon Carbon Responds to 13D Filing

PITTSBURGH, PA  –  01/22/2013

Calgon Carbon (NYSE:CCC) today acknowledged that Starboard Value and Opportunity Master Fund Ltd. (“Starboard”) filed a 13D notification with the Securities and Exchange Commission announcing its intent to nominate a slate of three Director candidates to stand for election at the Company’s 2013 Annual Stockholders Meeting.  The Company has not announced the date of 2013 Annual Meeting.

The Company issued the following statement:

We welcome shareholders who believe in our investment potential, and we are open to ideas that can create shareholder value.  As we often do with new shareholders, we have spoken with Starboard and have had a constructive exchange of ideas.

Our Board and management team remain fully committed to creating value for all shareholders through the successful execution of the Company’s strategy, and our Board will continue to focus on having a constructive mix of experience and capabilities among its Directors.

Calgon Carbon Corporation, headquartered in Pittsburgh, Pennsylvania, is a global leader in services and solutions for making water and air safer and cleaner.

For more information about Calgon Carbon’s leading activated carbon and ultraviolet technology solutions for municipalities and industries, visit calgoncarbon.dev.

This news release contains historical information and forward-looking statements. Forward-looking statements typically contain words such as “expect,” “believe,” “estimate,” “anticipate,” or similar words indicating that future outcomes are uncertain.  Statements looking forward in time, including statements regarding future growth and profitability, price increases, cost savings, broader product lines, enhanced competitive posture and acquisitions, are included in the company’s most recent Annual Report  pursuant to the “safe harbor” provision of the Private Securities Litigation Reform Act of 1995.  They involve known and unknown risks and uncertainties that may cause the company’s actual results in future periods to be materially different from any future performance suggested herein.  Further, the company operates in an industry sector where securities values may be volatile and may be influenced by economic and other factors beyond the company’s control.  Some of the factors that could affect future performance of the company are higher energy and raw material costs, costs of imports and related tariffs, labor relations, availability of capital and environmental requirements as they relate both to our operations and to our customers, changes in foreign currency exchange rates, borrowing restrictions, validity of patents and other intellectual property, and pension costs.  In the context of the forward-looking information provided in this news release, please refer to the discussions of risk factors and other information detailed in, as well as the other information contained in the company’s most recent Annual Report.

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