On February 23rd, 2018, Orion Engineered Carbons S.A. (NYSE: OEC) (the "Company"), a worldwide supplier of specialty and high-performance Carbon Black, filed its annual report for the year ended December 31, 2017 (the "2017 Annual Report"). The 2017 Annual Report contains audited consolidated financial statements, operating and financial review and other disclosure. The 2017 Annual Report was filed with the U.S. Securities and Exchange Commission on Form 20-F and is available at www.sec.gov, in the "Investor Relations" section of www.orioncarbons.com and at the Company's registered office at 6, Route de Trèves, L-2633 Senningerberg (Municipality of Niederanven), Grand Duchy of Luxembourg. A copy of the 2017 Annual Report may be obtained, free of charge, by contacting the Company's Investor Relations at firstname.lastname@example.org, by fax to +1-281-227-1557 or in writing by post to Orion Engineered Carbons S.A., 6, Route de Trèves, L-2633 Senningerberg (Municipality of Niederanven), Grand Duchy of Luxembourg. About Orion Engineered Carbons S.A. Orion is a worldwide supplier of Carbon Black. We produce a broad range of Carbon Blacks that include high-performance Specialty Gas Blacks, Furnace Blacks, Lamp Blacks, Thermal Blacks and other Carbon Blacks that tint, colorize and enhance the performance of polymers, plastics, paints and coatings, inks and toners, textile fibers, adhesives and sealants, tires, and mechanical rubber goods such as automotive belts and hoses. Orion runs 14 global production sites and four Applied Technology Centers. The group has approximately 1,441 employees worldwide. For more information please visit our website www.orioncarbons.com.