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THERMOSET ADVANCED COMPOSITE TECHNOLOGIES PRODUCT SELECTION GUIDE Gordon Composites™ thermoset composite barstock, laminates, and hybrid composites made with proprietary resin/fiber reinforcement technologies offer: • Corrosion resistance • High fatigue strength • Deep deflection • Excellent interlaminar shear strength Our customized finishing capabilities include machining, water-jet cutting, profiling/shaping, sanding, slitting, laminating, molding and coatings.

These resin sources provide sustainable options for applications that require excellent structural and toughness capabilities while offering comparable performance to standard long fiber materials.

These high-quality silicone dispersions excel in sterilization capabilities while maintaining low toxicity, making them ideal for medical applications.

The verification team has extensive experience in conducting assurance over environmental, social, ethical and health and safety information, systems and processes, has over 20 years combined experience in this field and an excellent understanding of Apex’s standard methodology for the verification of greenhouse gas emissions data.

This makes LSR an excellent choice in the medical industry as a heat shield for instruments used in cauterization or for any devices that are exposed to repeated high-temperature sterilization. TPEs offer excellent barrier properties against both air and moisture.

This makes LSR an excellent choice in the medical industry as a heat shield for instruments used in cauterization or for any devices that are exposed to repeated high-temperature sterilization. TPEs offer excellent barrier properties against both air and moisture.

We must always strive for excellence in every aspect of our business and never compromise our personal values of integrity, honesty, and respect. We place the highest priority on the elimination of risk, injury and on excellence in safety and environmental stewardship. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazil Telephone: +55 11 4593 9200 Europe Pommerloch, Luxembourg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telephone: +352 269 050 35 Fax: +352 269 050 45 www.avient.com https://www.avient.com Acknowledgment of Compliance with Avient’s Code of Conduct Instructions: Please read, sign and return this document to Human Resources.

Global Compact • Highlights ESG Performance, including ratings, awards, and certifications • Features increased carbon emissions disclosures, including Climate Change Scenario Analysis and Scope 3 emissions data • Outlines Sustainable Supplier Program, designed to enable supplier evaluation & collaboration • Reflects Great Place To Work® culture focused on safety, employee engagement and advancing diversity, equity and inclusion 2022 SUSTAINABILITY REPORT 15 Avient Confidential 16 • Virtual presentation to be held September 20, 2023 • Leadership will be conducting an investor-focused presentation around our sustainable solutions portfolio • Deep dive into how we enable customers to achieve their sustainability goals SUSTAINABILITY DAY 16 …are Growing at Twice the Rate as Conventional Products Sustainably-Branded Products… STAKEHOLDER INFLUENCE DRIVES DEMAND Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords Brand Owners Have committed to ambitious goals to achieve sustainability metrics 17 AP P EN D IX 20 Performance Additives 16% Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 22 3 2 3 3 4 4 3 3 4 5 5 7 8 8 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.