Calgon Carbon Amends Credit Agreement

Calgon Carbon Corporation

announced that it completed several important amendments to its revolving credit facility on November 17, 2011. The new, amended agreement (the Agreement) amends and restates the Company's $95 million five-year credit agreement, dated May 8, 2009. The Agreement which now expires on November 17, 2016, permits borrowings up to $125 million and could, under certain circumstances, be increased to $175 million. The Agreement is now unsecured and subject to customary affirmative and negative covenants for credit agreements of this type.