IQ Design is an award-winning, full-service design team within PolyOne that provides comprehensive support to customers around the world – from research, concept, and 3D modeling, to simulations and final implementation. PolyOne Corporation (NYSE: POL), with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

This is to certify that the Quality Management System of: Avient Corporation - HQ 33587 Walker Road The Quality Management System is applicable to: Certificate No: 31307 Certification Date: 12 October 1995 Effective Date: 20 September 2023 Expiration Date: 07 October 2025 Revision Date: 20 September 2023 Dominic Townsend, President MANUFACTURE AND SUPPLY OF PLASTIC COMPOUNDS, COLOR AND PERFORMANCE ADDITIVES, ENGINEERED THERMOPLASTICS, VINYL RESINS, CUSTOM MIXED PLASTIC MATERIALS, CUSTOM AND COMMODITY COLORANTS FOR PLASTICS, POLYURETHANE SYSTEMS, AND PLASTICIZERS WITH DESIGN AND SAMPLING SUPPORT AT SUWANEE, GA, AND PURCHASING, CUSTOMER SERVICE, LOGISTICS, QUALITY, DESIGN AND SAMPLING SUPPORT AT AVIENT CORPORATE HEADQUARTERS AT AVON LAKE, OH, AND DISTRIBUTION OF RESINS This certificate may be found on the ABS QE Website (www.abs-qe.com). Purchasing, Customer Service, Logistics, Quality, Design and Sampling; Corporate HQ, Management of QMS Activity: Manufacture of Engineered Thermoplastics Page 3 of 7 Facility: Avient Corporation - Massillon, OH 1675 Navarre Road Massillon, OH 44646 833 Ridgeview Drive Activity: Manufacture of Color and Performance Additives Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer 831 Ridgeview Drive 921 Ridgeview Drive Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Activity: Design, Manufacture and Distribution of Thermoplastic Elastomer Facility: Avient Corporation - Lehigh Valley, PA 2513 Highland Avenue Bethlehem, PA 18017 Facility: Avient Corporation - Lockport, NY 4921 I D A Drive Lockport, NY 14094 Activity: Manufacture of Colorants for Plastics Activity: Manufacture of thermoplastic compounds Page 4 of 7 Facility: Avient Corporation- Suwanee, GA 2900 Shawnee Industrial Way Suwanee, GA 30024 Facility: Avient Corporation - Toluca, Mexico AV.

Certificate Avient Corporation S E s Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road, Building 428 Avon Lake OH 44012 United States has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Manufacture of plastic compounds, color and performance additives, engineered thermoplastics, vinyl resins, custom mixed plastic materials, custom and commodity colorants for plastics, polyurethane systems, and plasticizers with design and sampling support at Suwanee, GA, and purchasing, customer service, logistics, quality, design and sampling support at PolyOne Corporate Headquarters at Avon Lake, OH, and distribution of resins Certificate No: 31307 Certification Date: 12 OCT 1995 Effective Date: 11 JUL 2024 Expiration Date 07 OCT 2025 Revision Date: 17 JUL 2024 Dominic Townsend, President Page 1 of 4 S E s ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 31307 Avient Corporation At the below facilities The Manufacture of Pultruded and Filament wound components Pultrusion and CRTM 3943, Valley East Industrial Drive, Buildings 1,2,3,4 Birmingham - AL 35217 United The Manufacture of Pultruded and Filament wound components Pultrusion and Filament Wound Tubing 3968, Valley East Industrial Drive, Building 5 Birmingham - AL 35217 United States The Manufacture of Pultruded and Filament wound components Pultrusion 3950, Valley East Industrial Drive, Building 6 Birmingham - AL 3517 United States Corporation Management of QMS. Purchasing, Customer Service, Logistics, Quality, Design and Sampling; Corporate HQ, Management of QMS 33587, Walker Road, Building 428 Avon Lake - OH 44012 United States Avon Lake, OH (SEM) Manufacture of Engineered Thermoplastics , 554 Moore Road Avon Lake - OH 44012 United States Aland (Odkarby), Finland Manufacture of colorants and compounds for fluoropolymer and high temperature polymers Kroklundsvagen 346 AX-22320 Ödkarby Finland 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 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 Barbastro Design and Manufacture of Specialty Engineered Thermoplastics Pol.

New Color Services for Textiles Available from Avient in Turkey Sustainable Colorants, Additives, and Support Services from Avient Exhibiting at Plástico Brasil 2023 Learn how Avient’s colorants and additives enable customers to reach their sustainability goals at Plástico Brasil 2023.

– June 24, 2014 – PolyOne GLS Thermoplastic Elastomers, a global leader in high-performance, custom-formulated thermoplastic elastom CLEVELAND – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that Bradl CLEVELAND – PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, today announced tha

CLEVELAND – PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, has worked with LEO KENNESAW, Georgia – PolyOne Corporation, a premier global provider of specialized polymer materials, services and solutions announced toda McHENRY, Ill. – June 24, 2014 – PolyOne GLS Thermoplastic Elastomers, a global leader in high-performance, custom-formulated thermoplastic elastom

SHANGHAI – PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, has announced the la FISCHBACH, Luxembourg – Collaborating with customers to replace metal in LED lights earned PolyOne recognition at the inaugural Polymers a CLEVELAND – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that Bradl

 Avient has a highly-technical and broad portfolio of materials solutions that help our customers—and our planet— be more sustainable. As we look to the future, we expect our innovation efforts and collaboration with customers to increase.

PolyOne Showcases Customer Success Sparked by Collaboration and Specialty Polymers at Fakuma 2017 FRIEDRICHSHAFEN, Germany – October 16, 2017 – PolyOne is highlighting creative applications its customers have developed with the company’s spec

So when a particular customer came to Avient wanting to displace non-recyclable dairy packaging, we accepted the challenge. Lactra™ SX provided the customer with highperformance light blocking capabilities, which enabled them to meet their sustainability goal of creating more recyclable package.