Koppers Holdings Inc.

Pittsburgh, Pennsylvania, USA, 07 February 2007 -- /PRNewswire/ -- The board of directors of Koppers Holdings Inc. (NYSE:KOP) today declared a quarterly dividend of USD 0.17 per common share, payable 02 April 2007, to stockholders of record as of the close of business on 28 February 2007.

Koppers also established a record date for its 2007 annual meeting of stockholders. Koppers stockholders of record at the close of business on 16 March 2007, will be entitled to notice of the annual meeting and to vote upon matters considered at the meeting. The annual meeting will be held in Pittsburgh, Pennsylvania, on 02 May 2007.

Koppers will send a definitive proxy statement to stockholders of record, which will contain important information about the meeting and the matters to be considered. Stockholders are urged to read the proxy statement when it becomes available.

About Koppers

Koppers, with corporate headquarters and a research center in Pittsburgh, Pennsylvania, is a global integrated producer of carbon compounds and treated wood products. Including its joint ventures, Koppers operates facilities in the United States, United Kingdom, Denmark, Australia, China, the Pacific Rim, and South Africa. The stock of Koppers Holdings Inc. is publicly traded on the New York Stock Exchange under the symbol "KOP." For more information, visit http://www.koppers.com/. Questions concerning investor relations should be directed to Brian H. McCurrie at 412 227 2153 or Michael W. Snyder at 412 227 2131.

Source: Koppers Holdings Inc.