FLAME SCARLET RU2205 PP FR 8-6 LMS-1000

FLAME SCARLET 2 RU2205 PP FR 8-6 LMS-1000

FLAME PC PP FR 8-6 LMS-1000

MD-35044 FDA FLAME RED RAL3000 PP FR 8-6 LMS-1000

PADEF214 EF OPAQUE NEON FLAME ORANGE PP FR 8-6 LMS-1000

FLAME HF PP FR 8-6 LMS-1000

These patent-pending formulations offer improved chemical resistance compared to traditional flame-resistant (FR) polymers.

Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, adjusted operating income, free cash flow and adjusted EBITDA. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com.

Facility: Avient Corporation - Assesse, Belgium (CAI & SEM) 2 Rue Melville Wilson Assesse 5330 Belgium Activity: Liquid Colorants and Additives for Plastics Activity: "Design of color concentrates, precolors, and compounds for fluoropolymer and high temperature polymers, LSFOH (low smoke and fume, zero halogen compounds), and Specialty Compounds Manufacture of Color and Additive Concentrates and Specialty Compounds" Page 6 of 7 ABS Quality Evaluations Avient Corporation ISO 9001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. All rights reserved. 31307Certificate No: Facility: Avient Corporation - Knowsley, United Kingdom Unity Grove Knowsley, Merseyside L349GT United Kingdom Facility: Avient Corporation - Alicante (Ibi - IQAP), Spain Guadalajara 6, Poligono Industrial L'Alfalç Ibi, Alicante 03440 Spain Activity: Design and Manufacture of Liquid Colorants and Additives for Plastics, Assembly and Supply of Material Dosing Equipment Activity: Design, development and production of color concentrates and additives for plastic and synthetic fibers Facility: Avient Corporation - Vic (Barcelona), Spain Carretera de Vic a Olot,C-153, km 5 Masies de Roda, Barcelona 08500 Spain Activity: Design, development and production of color concentrates and additives for plastic and synthetic fibers Facility: Avient Corporation - Melle, Germany Oldendorfer Straße 9 Thuringia 49342 Germany Facility: Avient Corporation - Gaggenau, Germany Adolf-Dambach-Str. 2 Gaggenau, Thuringia 76571 Germany Activity: Development and Manufacture of LSFOH (low smoke and fume, zero halogen) compounds Activity: Design and Manufacture of Specialty Engineered Thermoplastics

Purchasing, Customer Service, Logistics, Quality, Design and Sampling; Corporate HQ, Management of QMS 33587, Walker Road, Building 428 Avon Lake - OH 44012 United States Avient Corporation - Avon Lake, OH (SEM) Manufacture of Engineered Thermoplastics , 554 Moore Road Avon Lake - OH 44012 United States Avient Corporation - Aland (Odkarby), Finland Manufacture of colorants and compounds for fluoropolymer and high temperature polymers Kroklundsvagen 346 AX-22320 Ödkarby Finland Avient Corporation - Alicante (Ibi - IQAP), Spain Design, development and production of color concentrates and additives for plastic and synthetic fibers Guadalajara 6, Poligono Industrial L'Alfalç 03440 Ibi Spain Avient Corporation - Assesse, Belgium (CAI & SEM) "Design of color concentrates, precolors, and compounds for fluoropolymer and high temperature polymers, LSFOH (low smoke and fume, zero halogen compounds), and Specialty Compounds Manufacture of Color and Additive Concentrates and Specialty Compounds" 2 Rue Melville Wilson 5330 Assesse Belgium Avient Corporation - Barbastro Design and Manufacture of Specialty Engineered Thermoplastics Pol. Wischodnia 6 99-300 Kutno Poland Avient Corporation - LaPorte, IN Develop and manufacture silicone colorants, additives, and compounds , 707 Boyd Blvd LaPorte - IN 46350 United States Avient Corporation - Lehigh Valley, PA Manufacture of Colorants for Plastics , 2513 Highland Avenue Bethlehem - PA 18017 United States Avient Corporation - Massillon, OH Manufacture of Color and Performance Additives , 1675 Navarre Road Massillon - OH 44646 United States Avient Corporation - McHenry, IL Design, Manufacture and Distribution of Thermoplastic Elastomer Compounds , 833 Ridgeview Drive McHenry - IL 60050 United States Avient Corporation - McHenry, IL Design, Manufacture and Distribution of Thermoplastic Elastomer Compounds , 831 Ridgeview Drive McHenry - IL 60050 United States Avient Corporation - McHenry, IL Design, Manufacture and Distribution of Thermoplastic Elastomer Compounds , 921 Ridgeview Drive McHenry - IL 60050 United States Avient Corporation - Melle, Germany Development and Manufacture of LSFOH (low smoke and fume, zero halogen) compounds Oldendorfer Straße 9 49342 Germany FACILITY NAME FACILITY ACTIVITY ADDRESS Copyright as of the Effective Date, ABS Quality Evaluations, Inc.