Sincerely, Members of the Governance and Corporate Responsibility Committee, Avient Board of Directors Sandra Beach Lin Richard Fearon Gregor y Goff Neil Green Kerr y Preete Dr. These classifications and others, such as, environmental classifications (Persistent, Bioaccumulative Toxins—PBTs) and physical form contribute to the overall prioritization. Khandpur President and Chief Executive Officer, Avient Corporation Neil Green Executive Vice President and Chief Digital Officer, Otis Worldwide Corporation Ernest Nicolas Chief Supply Chain Officer, HP Inc.

Bunkyo Green Court, 2-28-8, Honkomagome, Bunkyo-ku Tokyo, Tokyo 113-8662 Japan Facility: Avient Colorants Malaysia Sdn Bhd Lot 1732, MK. 15, Kaw.

W H AT W E D O : M AT E R I A L S C I E N C E 4 CUSTOM FORMULATION SUSTA INAB ILITY F OR A BETTER TOMOR ROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales ($ in millions) *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 Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 5 Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N.

Q 1 2 0 2 3 -8% +6% -1% Flat 10 US & Canada Latin America EMEA Asia Total Avient -2.6% 2 0 2 3 G U I D A N C E $128 $525 Q3 FY $0.56 $2.40 Q3 FY 2023 GUIDANCE 12 $800 $3,280 Q3 FY Sales Adjusted EBITDA Adjusted EPS (in millions) (in millions) 13 • Focused on working capital management, restructuring actions to streamline operations • IT investment to further integrate acquired businesses and capture operational efficiencies • Preserve Free Cash Flow to maintain net leverage CASH FLOW / LEVERAGE ($ 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 14 LONG-TERM REVENUE GROWTH DRI VERS 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.

W H AT W E D O : M AT E R I A L S C I E N C E 4 CUSTOM FORMULATION SUSTA INAB ILITY F OR A BETTER TOMOR ROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales ($ in millions) *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 Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 5 Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N.

Examples of semi-crystalline polymers are PP, polyethylene (PE), PA6, PA66, polyphthalamide (PPA), polybutylene/polyethylene terephthalate (PBT/PET), polyoxymethylene (POM) or acetal, polyphenylene sulfide (PPS), and polyether ether ketone (PEEK).

Sincerely, Members of the Governance and Corporate Responsibility Committee, Avient Board of Directors Sandra Beach Lin Richard Fearon Gregor y Goff Neil Green Kerr y Preete Dr. Green, Netherlands 19. These classifications and others, such as, environmental classifications (Persistent, Bioaccumulative Toxins—PBTs) and physical form contribute to the overall prioritization.

Loose buffer tube – made of PBT, PTFE, Nylon 12, PP or other polymers.

Loose buffer tube – made of PBT, PTFE, Nylon 12, PP or other polymers.

Sincerely, Members of the Governance and Corporate Responsibility Committee, Avient Board of Directors Sandra Beach Lin Richard Fearon Gregor y Goff Neil Green Kerr y Preete Dr. These classifications and others, such as, environmental classifications (Persistent, Bioaccumulative Toxins—PBTs) and physical form contribute to the overall prioritization. Khandpur President and Chief Executive Officer, Avient Corporation Neil Green Executive Vice President and Chief Digital Officer, Otis Worldwide Corporation Ernest Nicolas Chief Supply Chain Officer, HP Inc.