Investor Presentaiton

EXPERIENCED BOARD OF DIRECTORS CAROLANN I. HAZNEDAR • Serves on the Board of Directors of Allison Transmission • Retired Senior Vice President, Americas for DuPont Performance Materials • 30+ years of management experience, leading several global businesses at E. I. du Pont de Nemours and Company DAVID C. EVERITT • Lead Independent Director Former Co-Leader of Deere & Company's Agriculture and Turf Division • Serves on the Board of Directors of Allison Transmission, Brunswick Corporation and Nutrien Ltd. EDGAR M. PURVIS Retired Executive Vice President and Chief Operating Officer of Emerson Electric Company • Former member of the executive board of the Air- Conditioning, Heating and Refrigeration Institute F. NICHOLAS GRASBERGER • Chairman of Board of Directors, President and Chief Executive Officer of Harsco Serves on the Board of Directors of Louisiana- Pacific Corporation Former Managing Director of Precision Polymers Division of Fenner Plc and Former Chief Financial Officer of Armstrong Holdings, Inc JAMES F. EARL ⚫ Retired Executive Vice President of GATX Corporation and President - GATX Rail International KATHY G. EDDY • Founding partner of McDonough, Eddy, Parsons & Baylous, A.C., a public accounting and financial services corporation . Former Chair of the American Institute of Certified Public Accountants Board of Directors • MARIO LONGHI Former President and Chief Executive Officer of United States Steel Corporation (U.S. Steel) Former President and Chief Executive Officer of Gerdau Ameristeel Corporation Serves on the Board of Directors of ITT Corporation © 2020 Harsco Corporation. All Rights Reserved. This document and the information set forth herein are the property of Harsco Corporation. PHILLIP C. WIDMAN Serves on the Board of Directors of Sturm, Ruger & Company, Inc. and Vectrus, Inc. Former Senior Vice President and CFO of Terex Former Executive Vice President and CFO of Philip Services Corporation HARSCO 34

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