KOP - Koppers Holdings reports downside preliminary Q1 April, 27 2020 08:35 AM Koppers Holdings Inc. Koppers Holdings (NYSE:KOP): Q1 Non-GAAP EPS of $0.47 misses by $0.13; GAAP EPS of $0.09 misses by $0.50.Revenue of $401.9M (+6.6% Y/Y) misses by $22.2M.Press ReleaseMore news on: Koppers Holdings Inc., Earnings news and commentary, ,