PITTSBURGH, PA -- (Marketwire) -- 01/18/13 -- Koppers Holdings Inc. (NYSE: KOP) intends to release its fourth quarter 2012 financial results before the opening of the markets on Thursday, February 14, 2013, and discuss its results on a conference call later that day at 11:00 a.m. EST.

Interested parties may access the live audio broadcast by dialing 800 762 8779 in the United States/Canada, or +1 480 629 9818 for international, Conference ID number 4592122. Investors are requested to access the call at least five minutes before the scheduled start time in order to complete a brief registration. An audio replay will be available approximately two hours after the completion of the call at 800 406 7325 or +1 303 590 3030, Conference ID number 4592122. The recording will be available for replay through February 28, 2013.

The live broadcast of the Koppers conference call will be available online:
http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=194019&eventID=4897544. (Due to the length of this URL, it may be necessary to copy and paste this hyperlink into your Internet browser's URL address field.)

If you are unable to participate during the live webcast, the call will be archived on www.koppers.com, www.streetevents.com and www.earnings.com shortly after the live call and continuing through February 28, 2013.

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, The Netherlands, Australia and China. The stock of Koppers Holdings Inc. is publicly traded on the New York Stock Exchange under the symbol "KOP." For more information, visit us on the Web: www.koppers.com. Questions concerning investor relations should be directed to Leroy M. Ball at 412 227 2118 or Michael W. Snyder at 412 227 2131.