GUIDANCE 12 15.4% 15.9% Adjusted EBITDA Margin % Better-than-expected margins driven by: • Favorable mix - strong demand for composite applications • Raw material deflation Q2 EBITDA BRIDGE 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: LATAM • 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 Total Avient -2.6% 2023 G U IDA N CE $128 $525 $0.56 $2.40 2023 GUIDANCE 16 $800 $3,280 Sales Adjusted EBITDA Adjusted EPS (in millions) (in millions) 17 • Focused on working capital management, restructuring actions to streamline operations • IT investment to further integrate acquired businesses and capture operational efficiencies • Preserve Free Cash Flow to maintain net leverage CASH FLOW / LEVERAGE ($ 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.

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Masterbatch Solutions for Mosquito Nets Find out about the technology behind Avient’s antimosquito masterbatches for mosquito nets that support the fight against vector born diseases like malaria HiFormer™ liquid masterbatch technology can help brand owners and plastic converters optimize the coloration of plastics used in applications ranging from personal care, food and beverage, appliances to construction and toys

Masterbatch Solutions for Mosquito Nets Find out about the technology behind Avient’s antimosquito masterbatches for mosquito nets that support the fight against vector born diseases like malaria HiFormer™ liquid masterbatch technology can help brand owners and plastic converters optimize the coloration of plastics used in applications ranging from personal care, food and beverage, appliances to construction and toys

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Renol deep black colorants are provided as color concentrates, also known as masterbatches, which are added to the polyester pellets during fiber extrusion in the spin-dyeing process. In addition, the deep black masterbatches are suitable for spin-dyeing recycled grades of polyester. Our team of fiber experts provides product guidance and assistance in any process optimization or fine-tuning stage, from developing custom masterbatches to using the correct processing settings for optimal spin-dyeing results.  

Renol deep black colorants are provided as color concentrates, also known as masterbatches, which are added to the polyester pellets during fiber extrusion in the spin-dyeing process. In addition, the deep black masterbatches are suitable for spin-dyeing recycled grades of polyester. Our team of fiber experts provides product guidance and assistance in any process optimization or fine-tuning stage, from developing custom masterbatches to using the correct processing settings for optimal spin-dyeing results.  

Renol deep black colorants are provided as color concentrates, also known as masterbatches, which are added to the polyester pellets during fiber extrusion in the spin-dyeing process. In addition, the deep black masterbatches are suitable for spin-dyeing recycled grades of polyester. Our team of fiber experts provides product guidance and assistance in any process optimization or fine-tuning stage, from developing custom masterbatches to using the correct processing settings for optimal spin-dyeing results.  

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