JOHNSON Vice President, Tax HOLGER KRONIMUS Vice President, Europe, General Manager, Engineered Materials, Europe LISA K. Guatemala City, Guatemala 74. The settlement agreement provides a mechanism to pursue allocation of future remediation costs at the Calvert City site to Westlake Vinyls.

Vice President, Global Key Accounts and Vice President of Asia January 2012 to May 2014. Vice President of M.A. The settlement agreement provides a mechanism to pursue allocation of future remediation costs at the Calvert City site to Westlake Vinyls.

Vice President of Sustainability, Avient.  Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

He was later promoted to vice president, key account management, where he was responsible for building and growing He also served as vice president of Investor contact: Eric Swanson, Director, Investor Relations, PolyOne Corporation, +1 440.930.1018, eric.swanson@avient.com; Media contact: Kyle Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440.930.3162, kyle.rose@avient.com

vice president, Corporate Marketing at Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

New York City Senior Vice President and Chief Financial Officer of New York City

New York City Senior Vice President and Chief Financial Officer, Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Patterson joined PolyOne in 2008 as senior vice president and chief financial officer, where he was responsible for global treasury, planning, M&A, accounting, internal audit functions, and investor relations. In 2012, he was promoted to his current position as executive vice president and chief operating officer, where he has led growth in each of the company’s business segments. DeLuca Vice President, Investor Relations PolyOne Corporation +1 440.930.1226 isaac.deluca@avient.com

Vice President, Global Key Accounts and Vice President of Asia January 2012 to May 2014. Calvert City facility, together with certain defense costs of Goodrich Corporation. A remedial investigation and feasibility study (RIFS) is underway at Calvert City.

, 41448 Gebze, Türkiye Avient Corporation Design and Manufacture of Colorants and Additives for Plastics 2#, Nanyunsan Rd, Huangpu District, Science City, Guangzhou Hi-Tech Industrial Development Zone , 510663 Guangzhou, Avient Corporation Design and Manufacture of Colorants and Additives for Plastics Avenida 34-11, Zona 12 Complejo Parque Gobal , 01012 Guatemala City, Guatemala Avient Corporation Design and Manufacture of Specialty Engineered Thermoplastics Orhangazi Mah. 1683 Sok. Ezcabarte calle H Nº3 , 31194 Oricain, Spain Avient Corporation Design and Manufacture of Colorants and Additives for Plastics 700/848 Moo 1,Tambol Phan Thong, Amata City Chonburi Industrial Estate Phan Thong Chonburi 20160, Thailand Via Lainate 26, 20005 Pogliano Milanese, Italy Avient Corporation Manufacture of Masterbatches 329 Tungsten Rd, Strydompark , 2194 Randburg, South Africa PolyOne Polymers India Private Limited Design & Manufacture of Color, Additive Concentrate & Specialty Survey No.344/1-2-3, Rania Works, Sakarda Bhadarwa Road Rania Gujarat 391780 India Avient Corporation Design and Manufacture of Color and Additive Concentrates, Thermoplastic Resins and Specialty Compounds 2nd Industrial City, Al-Kharj Road , 11432 Riyadh, Saudi Arabia Crta.