OnColor™ SenseAction™ Custom Colorants for Caps NEU™ Custom Capabilities Customized Braiding

Glasforms™ Pultruded Rods, Tubes & Custom Profiles NEU™ Custom Capabilities Customized Braiding

Glasforms™ Pultruded Rods, Tubes & Custom Profiles NEU™ Custom Capabilities Customized Braiding

Documented change control beyond CAS number Standard and custom color solutions for today's complex medical applications. Browse and download our literature to learn more about Avient solutions and services.

is dedicated to solving the materials science challenges of today and tomorrow for customers around the world, and I look forward to leading the next chapter, taking advantage of the significant opportunities that lie before us." to Work® culture was an honor, as we served customers and helped to positively and sustainably impact our world.  NYSE:  AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Collaborating with BIC on this project aligns closely with our sustainability commitments as a specialty formulator, and our focus on helping customers meet their sustainability goals,” said Walter Ripple, Vice President, Sustainability, Avient Corporation. Holger Kronimus, Vice President, Europe and General Manager, Engineered Materials, Europe, added, “This project highlights our commitment to support customers in Europe - and around the globe - with sustainable material solutions that are aligned with a circular economy and meet consumer preference for eco-conscious products.”  Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Changes in laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including Avient Protective Materials (APM); • An inability to raise or sustain prices for products or services; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. 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.

Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources Certification Date: 29 SEP 2023 Effective Date: 27 FEB 2025 Expiration Date: 27 SEP 2026 Revision Date: 05 MAR 2025 Dominic Townsend, President Page 1 of 5 Avon Lake Corporate Responsible Care Corporate Support Activities in Sr. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources 33587 Walker Road Avon Lake OH 44012 United States Avient Corporation HQ Responsible Care Corporate Support Activities in Sr. Garibaldi 2405 , 1832 Lomas de Zamora, Argentina Rue Fond Jean Pâques 1, 1348 Louvain-La-Nueve, Belgium Avient Corporation Design and Manufacture of Colorants and Additives Concentrates and Camino a Melipilla 15.170 , 9250000 Maipu, Chile Järnyxegatan 7, SE-200 39 Malmö, Sweden 831 Ridgeview Drive McHenry IL 833 Ridgeview Drive McHenry IL 921 Ridgeview Drive McHenry IL Via Bergamo 51, 23807 Merate, Italy Avient Corporation Design and Manufacture of Custom PVC Plastisol and PVC Slush Mold Powder 733 E.

No Content Detail 1 MERSIS number of the Company 0836003561100014 2 Title of the Company Polyone Tekno Polimer Mühendislik Plastikleri Sanayi ve Ticaret Anonim Şirketi 3 Registered office of the Company Orhan Gazi Mah.1683 Sk. No:8 Esenyurt/İstanbul 4 Committed and Paid Company Capital TRY 100,799,000.00 5 Full names of the Board members of the Company (in the event that a legal entity is a board member, that legal entity's MERSIS number, trade name, registered address and its individual representative's full name) • Holger Hans Kronimus • Christoph Palm • Zaneta Gabriela Potoczny 6 Independent auditor's title, registered address, and branch offices (if any).

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and a personal PIN, which are required to access the conference call.  provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.