Entity Information

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Economic entity name	Koppers Holdings Inc.
CIK	0001315257
Accession number	0001564590-17-002413
Generator	RR Donnelley
SEC filing page	http://www.sec.gov/Archives/edgar/data/1315257/000156459017002413/0001564590-17-002413-index.htm
XBRL Instance	http://www.sec.gov/Archives/edgar/data/1315257/000156459017002413/kop-20161231.xml
XBRL Cloud Viewer	https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/1315257/000156459017002413/kop-20161231.xml