NEU295I POLAR GREY / WPP PP PPH4TF4 PP BLUE CASE 289C PP FR 8-6 LMS-1000

PALE BLUE 2.5 PB 7/8 PP MB SATIN EBONY PP PP FR 8-6 LMS-1000

Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA (in millions) $0.42 $0.47 2022 PF 2023 Adjusted EPS (in millions) - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 12 $112 $500 Q4 FY $0.47 $2.30 Q4 FY Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 Q4 FY Sales Adjusted EBITDA Adjusted EPS 13 (in millions) (in millions) Guidance: Free Cash Flow $180 $180 Prior Guidance Guidance FREE CASH FLOW & INCREASED DIVIDEND 13th Consecutive Dividend Increase 0.16 0.26 0.42 0.58 0.79 0.85 0.99 1.03 2011 2013 2015 2017 2019 2021 2023 2024 14 S U S T A I N A B I L I T Y D AY R E C A P SUSTAINABILITY AS A GROWTH DRIVERLONG-TERM REVENUE GROWTH DRIVERS 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 17 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) Sources: McKinsey, Bloomberg, Grand View Research SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 18 • Transformative acquisitions combined with divestitures of more cyclical businesses have improved margins over 400 bps since 2018 • 20% long-term margin goal to be driven by key growth drivers, with sustainable solutions playing a meaningful role 5.4% 11.5% 16.0% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ ADJUSTED EBITDA MARGIN EXPANSION 19 • 6% annualized long-term sales growth leveraging sustainable solutions, composites, healthcare, and emerging regions • Expand EBITDA margins to 20% • Deliver annual EBITDA and EPS growth of 10% and 15% • Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator • Continue fostering our Great Place to Work® culture CRE AT ING A WORL D-CL AS S S US TAINABL E ORGANIZ AT ION 20 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Through our design expertise and material science, we help our customers reduce material usage, enable recycle solutions, improve physical performance and reuse potential of recycled materials. The demonstration plant mimics real world recycling in a research environment. They then set up 4 bins in production to sort our plastic scrap into bins of PE/PP, PS, Nylon, and High Temp materials.

Injection molding parameters and troubleshooting recommendations for the the Nymax™ prime and Nymax™ REC recycled nylon materials PP Inhaler Roll Cap Versaflex™ Thermoplastic Elastomers offer excellent rebound resilience to replace thermoset rubber with a recyclable material

MC-83801PP GRAY MC-84134PP GRAY PP W/ ANTI-STAT 10246.5 PP FR 8-6 LMS-1000

GRAY 380U WARM GRAY 3C UV LT GRAY PE

Our global team is here to accelerate development and part approvals, supporting you with: • Materials that meet over 500 automotive polymer OEM specifications • More than 14,000 color and additive approvals for OEM specifications, including more than 2,000 UL94-registered concentrates and pre-colors • Advanced design and color expertise PORTFOLIO HIGHLIGHTS Specialized polymers and composites • Thermoplastic Elastomers • Recycled and Bio-based Thermoplastic Elastomers • Long Fiber Reinforced Formulations • Thermally Conductive Formulations • Static Dissipative, Electrically Conductive, and EMI/RFI Shielding Formulations • Pre-Colored Thermoplastics for Premium Finishes • Engineered Polymer Formulations • Continuous Fiber Tapes & Laminates Colorants, additives, and plastisols • Solid & Liquid Colorants (special effects & bio-based) • Colorant and Additive Concentrates • Functional and Performance Additives (UV, FR, antimicrobial, and more) • Liquid Additives • Chemical Foaming and Nucleating Agents • High-Temperature Concentrates • Silicone Dispersions • Vinyl Powders and Plastisols Design & Color Services • Avient Design • ColorWorks™ Design & Technology Centers UNDERHOOD Air Management Fuel Systems Filters/Cleaners Engines/Power train Fans & Shrouds Engine & Cam Covers Fluid Reservoirs Sealing Systems Wire & Cable and Connectors Battery Systems & Supports EV Battery Systems Sensors/Controls/Actuators Turbo/Super Chargers Control Modules/Valves Gears & Hoses HVAC Systems Electrical Control Units EXTERIOR Move over metal... our material and colorant solutions enable you to replace metal and paint while improving miles per gallon or per charge.

BUILDING & CONSTRUCTION INDUSTRY BULLETIN SAFETY Security and prevention SOLUTION: Flame retardants, laser marking additives, electrical and thermal additives SURFACE FINISH Low maintenance, natural wood grain aesthetics SOLUTION: Wood plastic composite (WPC) capstock technology PROTECTION Potable water tanks, electrical connectors, piping & tubing, insulation SOLUTION: Antimicrobials, electrical and thermal additives LONGEVITY Long service life, chemical resistance, mold & mildew resistance SOLUTION: Weatherable colorants, impact modifiers, antimicrobial additives SUSTAINABILITY LEED building & material credits, healthy building, reduced energy use, lightweighting, eco-conscious SOLUTION: Recycled materials, chemical foaming agents, bio-derived colorants & additives LANDSCAPE HARMONY Concrete surfaces, patio coloring, stucco SOLUTION: Pool colorants, metallic flooring colorants, stains The building and construction industry is dynamic, with trends towards high- performance buildings, elegant outdoor areas, healthier living spaces, and eco-friendly environments.