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- Q1 2024 Koppers Holdings Inc Earnings Call
  Thomson Reuters StreetEvents via Yahoo Finance· 6 days ago
  Participants Quynh McGuire; In 2015 As Director, Investor Relations And Corporate Communications, Vice President, Investor Relations; Koppers Inc Leroy Ball; Chief Executive Officer, Chief Financial ...
- Erie Coke finally gets lawyers, moving along Clean Air Act case in federal court
  Erie Times News via Yahoo News· 10 months ago
  After Erie Coke was indicted in November on charges that it violated federal air pollution rules for...