The demand for flame retardant engineered thermoplastics continues to grow, driven by increasing fire safety performance requirements across all industries. Mevopur™ Healthcare Functional Additives Mevopur™ Bio-based Polymer Solutions

Product safety and regulatory compliance are key for applications using plastic materials where flammability is a consideration.   Mevopur™ Healthcare Functional Additives Mevopur™ Bio-based Polymer Solutions

Mevopur™ Healthcare Functional Additives Mevopur™ Healthcare Functional Additives Mevopur™ Bio-based Polymer Solutions

ECert - 2023-11-22T154408.223.pdf Page 1 of 10 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. This is to confirm that the Environmental, Health, Safety and Security Management System of: Avient Corporation HQ 33587 Walker Road The Environmental, Health, Safety and Security Management System is applicable to: Certificate No: 65536 Effective Date: 29 September 2023 Expiration Date: 28 September 2026 Revision Date: 22 November 2023 Dominic Townsend, President CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Buyer acknowledges that information in Seller’s marketing materials, technical data sheets and other descriptive publications distributed or published on its websites may vary from time to time without notice. Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

The Company acquired the Clariant Color business on July 1, 2020. To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for the entirety of 2020. Per Carlsson, Manufacturing and Operations Avient Corporation 71 80 2022 2030 Medical Plastics Market Size PRESERVE – TAKEAWAY Protecting Human Life and Enabling Connectivity Drives Growth Projections Examples Covered 56% Other Applications 44% 2022 $525M (in $ Bi lli s) 8% CAGR 34% CAGR 5G Infrastructure Market Size 12 92 10 70 80 2023 2024 2025 2026 2027 2028 2029 2030 (in $ Bi lli s) Source: Grand View Research Source: Global Data Summary Senior Vice President and Chief Financial Officer Avient Corporation 72 OUR SUSTAINABILITY REPORT Avient Corporation 73 Avient Corporation 74 2030 SUSTAINABILITY GOALS Avient Corporation 75 PERFORMANCE AND RECOGNITION 1 2 5 ESG Ratings Performance ESG Awards and Certifications top 13% 94th percentile Avient Corporation 76 SUSTAINABILITY INNOVATION AWARDS Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: PCR Colorants + Additives Sustainable Packaging Innovation, Finalist: U.S.

Mevopur™ Healthcare Functional Additives Mevopur™ Healthcare Colorants and Formulations Mevopur™ Colorants and Additives - Healthcare Polymer Solutions

Mevopur™ Medical-Grade Colorants and Functional Polymer Solutions meet or exceed requirements for regulations such as USP Class VI, ISO10993, EP3.1, and USP661.1.  Like other Mevopur formulations, they are manufactured in dedicated ISO 13485 facilities and supported by testing to ISO 10993-1, USP, European Pharmacopeia, and ICH Q3D guidelines. They are fully bio-compatible per ISO 10993 standards to provide ultra-high-heat resistance and performance without compromising safety.  

Mevopur™ Healthcare Functional Additives Mevopur™ Healthcare Functional Additives Mevopur™ Bio-based Polymer Solutions

Mevopur™ Healthcare Functional Additives Mevopur™ Healthcare Functional Additives Mevopur™ Bio-based Polymer Solutions