In fact, you may have found yourself swimming in plastics alphabet soup and unsure where to start. Thermoplastic elastomers (TPEs) are a type of plastic that have been refined to create a soft, rubbery feel—and they’re everywhere. Most thermoplastic elastomer products are also recyclable under Plastic Recycling Code 7.

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. GUIDANCE (TOTAL COMPANY) 12 15.4% 15.9% Guidance Actual Adjusted EBITDA Margin % Better-than-expected margins driven by: • Favorable mix - strong demand for composite applications • Raw material deflation Q2 EBITDA BRIDGE (TOTAL COMPANY) 13 ($ millions) CAI: Price / Mix 7) Deflation 11) SEM: Price / Mix 2) Deflation 6) Net Price Benefit 26) Wage and Energy Inflation (10) Cost Reductions 13) FX (2) Q2 2023 Actual $131) Adjusted EBITDA Q2 2022 Pro Forma $ 172) Demand (68) • Demand conditions vs. expectations: US & Canada LATAM EMEA Asia • Net price benefit remains greater than wage and energy inflation • Clariant synergies and reduced administrative costs Q2 2023 SEQUENTIAL SALES BY REGION Q 2 2 0 2 3 v s . Q 1 2 0 2 3 -8% +6% -1% Flat 14 US & Canada Latin America EMEA Asia Total Avient -2.6% 2023 G U IDA N CE $128 $525 Q3 FY $0.56 $2.40 Q3 FY 2023 GUIDANCE 16 $800 $3,280 Q3 FY Sales Adjusted EBITDA Adjusted EPS (in millions) (in millions) 17 • Focused on working capital management, restructuring actions to streamline operations • IT investment to further integrate acquired businesses and capture operational efficiencies • Preserve Free Cash Flow to maintain net leverage CASH FLOW / LEVERAGE ($ millions) 2023E Cash Flow from Operating Activities 320$ Less: CapEx (140) Free Cash Flow 180$ Adjusted EBITDA 525$ Net Debt / Adjusted EBITDA 3.0x SUSTAINABILITY AS A GROWTH DRIVER 18 LONG-TERM REVENUE GROWTH DRIVERS Revenue From Sustainable Solutions* 2016-2022 $340M $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020PF** 2021 2022PF*** $1,175M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business ***2022 is Pro Forma for the acquisition of Avient Protective Materials and the divestiture of Distribution 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue SUSTAINABILITY REPORT 2022 • Provides progress on 2030 goals • Reaffirms commitment to U.N.

Compared to those alternative materials, Versaflex TF TPEs also do not include plasticizers, and contain lower volatile organic compounds (VOC) than traditional adhesive solutions, reducing concerns over toxicity. Non-toxic formulations with low volatile organic compounds (VOC) and without added plasticizers

Developing application-specific formulations requires experience plus a holistic understanding of the demands of end-use industries, plastics processing, and polymer science. Handling some of the most challenging and high-performance plastic applications

A full line of dispersions for rubber and plastic applications. Improve process efficiency and enhance performance with additives for rubbers and plastics

Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic Plastic Waste

Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic Plastic Waste

Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic to Work®, and is a founding member of the Alliance to End Plastic Waste. 

Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic to Work®, and is a founding member of the Alliance to End Plastic Waste.

Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic to Work®, and is a founding member of the Alliance to End Plastic Waste.