Koppers Holdings Inc.


Pittsburgh, Pennsylvania, USA, 02 May 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 July 2007, to stockholders of record as of the close of business on 14 May 2007.

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.