Customer destocking was also less impactful during the quarter." We believe there are significant opportunities for us to drive profitable organic revenue growth and innovation, leveraging our culture of strong customer focus and portfolio of differentiated technologies. NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Our offerings extend beyond materials, with services ranging from engineering support to industrial design services. Custom Pre-Colored Specialty Engineered Formulations Learn more about our advanced composites and collaborative solutions-based services

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: masterbatch business and achieve the expected results of the acquisitions, including, without limitation, the acquisitions being accretive; 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 polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; 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; an inability to raise or sustain prices for products or services; an inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisition and integration, working capital reductions, costs reductions and employee productivity goals; information systems failures and cyberattacks; and other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

Advanced technologies to help customers produce 3D Molded Interconnect Devices (MID) for antenna products. Browse and download our literature to learn more about Avient solutions and services. Product/Service Overview

About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: the ability and time required to consummate the acquisition of Dyneema; our ability to achieve the strategic and other objectives relating to the proposed acquisition of Dyneema; 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; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows; changes in polymer consumption growth rates and 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; an inability to raise or sustain prices for products or services; information systems failures and cyberattacks; and other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

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.

Seller may, during any period of shortage due to any cause, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. During periods when demand for Product exceeds Seller’s capability to supply, whether due to a force majeure or otherwise, Seller may distribute Product among itself for its own uses, Buyer, and other customers, in such manner as Seller deems fair and practicable. Buyer shall disseminate such information so as to give warning of possible hazards to persons whom Buyer can reasonably foresee may receive exposure to such hazards, including, but not limited to, Buyer’s employees, agents, contractors and customers.

Seller may, during any period of shortage due to any cause, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. During periods when demand for Product exceeds Seller’s capability to supply, whether due to a force majeure or otherwise, Seller may distribute Product among itself for its own uses, Buyer, and other customers, in such manner as Seller deems fair and practicable. Buyer shall disseminate such information so as to give warning of possible hazards to persons whom Buyer can reasonably foresee may receive exposure to such hazards, including, but not limited to, Buyer’s employees, agents, contractors and customers.

Seller may, during any period of shortage due to any cause, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. During periods when demand for Product exceeds Seller’s capability to supply, whether due to a force majeure or otherwise, Seller may distribute Product among itself for its own uses, Buyer, and other customers, in such manner as Seller deems fair and practicable. Buyer acknowledges and represents that it is familiar with and shall strictly comply with all applicable laws and regulations concerning the trade, export or re- export of products, services, data or technology (“Items”), including the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR) and the trade sanctions regulations administered by the U.S.

Seller may, during any period of shortage due to any cause, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. During periods when demand for Product exceeds Seller’s capability to supply, whether due to a force majeure or otherwise, Seller may distribute Product among itself for its own uses, Buyer, and other customers, in such manner as Seller deems fair and practicable. Buyer shall disseminate such information so as to give warning of possible hazards to persons whom Buyer can reasonably foresee may receive exposure to such hazards, including, but not limited to, Buyer’s employees, agents, contractors and customers.