 HOUSTON--BUSINESS WIRE--- OEC chemicals--Orion Engineered Carbons S.A. NYSE: OEC, a global supplier of specialty and high-performance carbon black, today announced financial results for the second quarter of 2021. Second Quarter 2021 Highlights Achieved second highest Adjusted EBITDA since IPO. Positioned the company to complete EPA investments, capture growth in differentiated markets and generate substantial free cash flow in 2023. Received cash payment of 79.5 million, resolving longstanding dispute wit 