Item 3.02. Unregistered Sales of Equity Securities.

On August 17, 2009, Calgon Carbon Corporation (the "Company") completed an exchange with a prior holder of the Company's issued and outstanding 5.00% Convertible Senior Notes due 2036 (the "Notes"). The exchange was exempt from registration under Section 3(a)(9) of the Securities Act of 1933, as amended. In the exchange, the Company issued an aggregate of 1,176,470 newly issued shares of the Company's common stock, par value $0.01, in exchange for $6,000,000 in aggregate principal amount of Notes previously held by the exchanging holder.

On August 18, 2009, the Company issued a press release announcing this completed exchange. The press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Press Release, dated August 18, 2009.

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