W A X M A T ® G R I P T A P E • Provide alternative material to traditional wax and EVA foam for grip on surfboards • Translucent appearance • Coextrude with polypropylene (PP) film • Excellent UV resistance • Customized formulation for exceptional hydrophobic grip and non-abrasive finish • Incorporated specialty additives to enhance UV resistance and inhibit mold growth • Solved technical processing challenges to achieve efficient coextrusion of materials and achieve optimal bonding to adhesive backing • Enabled customer to achieve market differentiation and expand into new markets and applications Custom GLS™ TPE Wet Grip Formulation KEY REQUIREMENTS WHY AVIENT?

CASE STUDY: COMPLĒT™ MT LONG FIBER REINFORCED THERMOPLASTICS Challe nge Accepted. Complēt™ MT long glass fiber reinforced nylon 6 composite was selected because of the extra durability provided, making this solution ideal for demanding applications like Piranha’s propellers. Avient’s Complēt MT composite materials enable up to 20% more impact resistance than standard long fiber reinforced materials.

CASE STUDY: PLASTICOMP™ COMPLĒT™ LONG FIBER REINFORCED STRUCTURAL THERMOPLASTICS Challe nge Accepted. Using PlastiComp™ Complēt™ carbon fiber composites offered remarkable design flexibility. The second-generation caster wheels developed by Frog Legs incorporate two Complēt long carbon fiber-reinforced composite materials.

For more on material solutions for snowmobiles, visit avient.com © 2025, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 EXTENDED PERFORMANCE Minimize Moisture Uptake from Melted Snow SOLUTION: Moisture-Resistant Long Fiber Reinforced Composites, Corrosion-Resistant Additives TACTILE EXPERIENCE Soft Touch Feel, Durable Performance, Lower Thermal Conductivity than Metals SOLUTION: Thermoplastic Elastomers (TPEs), Long Fiber Reinforced Composites THERMAL MANAGEMENT & SAFETY Heat Dissipation, Design Flexibility, Flame Retardancy SOLUTION: Thermally Conductive Formulations, Flame Retardant Additives HIGH IMPACT DURABILITY High Strength-To-Weight Ratio, Elevated and Low Temperature Performance SOLUTION: Long Carbon Fiber Reinforced Composites, Continuous Fiber Reinforced Thermoplastic Tape & Laminates COLD TEMPERATURE PERFORMANCE Cold Temperature Flexibility and Toughness SOLUTION: Thermoplastic Elastomers (TPEs), Long Fiber Reinforced Composites, Impact Modifiers WEIGHT REDUCTION 40–50% Lightweighting Compared to Metal, Exceptional Structural Properties, Extremely High Stiffness and Strength from -40° to 160°F SOLUTION: Long Carbon Fiber Reinforced Composites, Chemical Foaming Agents AESTHETIC APPEAL Custom Color and Special Effects, Paint Replacement, Color Fade Protection SOLUTION: Custom Polymer Colorants, UV Blocking Additives, Antioxidant Additives, Molded-In-Color Metallics, Scratch and Mar Performance, Laser Marking, Pre-Colored High-Gloss Thermoplastics https://www.avient.com/industries/consumer/consumer-discretionary/outdoor-recreation/powersports https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/polymer-additives/corrosion-resistant-additives/cesa-cor-additives https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers https://www.avient.com/products/long-fiber-technology https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/long-fiber-technology/complet-long-carbon-fiber https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers https://www.avient.com/products/long-fiber-technology https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives https://www.avient.com/products/long-fiber-technology/complet-long-carbon-fiber https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect-colorants https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/cesa-light-additives https://www.avient.com/products/polymer-additives/antioxidant-additives https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.avient.com/products/polymer-additives/visual-enhancement-effects/cesa-scratch-mar-resistance-additives https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-laser-additives https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-premium-finishes

BATTERY RANGE EXTENSION Lightweighting SOLUTION: Long fiber reinforced polyketone (PK) thermoplastics © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons

LAWN & GARDEN OEM F A N F O R B L O W E R / V A C U U M • Lighter than incumbent magnesium part to improve start- up efficiency and enhance overall user experience • High impact resistance to withstand the effect of fast- moving landscaping debris • Good dimensional stability to meet tight tolerances of assembly • Expertise to guide next-generation product development • Proved material performance success through extensive Mold Flow and FEA simulations to prove concept without prototyping and minimize development costs • Produced material globally to support regional demands • Referred customer to US-based dependable mold shops to support local production Complēt™ MT 40% Long Glass Fiber Impact Modified Formulation KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complet-long-fiber-reinforced-structural-thermoplastics

LAWN & GARDEN OEM F A N F O R B L O W E R / V A C U U M • Lighter than incumbent magnesium part to improve start- up efficiency and enhance overall user experience • High impact resistance to withstand the effect of fast- moving landscaping debris • Good dimensional stability to meet tight tolerances of assembly • Expertise to guide next-generation product development • Proved material performance success through extensive Mold Flow and FEA simulations to prove concept without prototyping and minimize development costs • Produced material globally to support regional demands • Referred customer to US-based dependable mold shops to support local production Complēt™ MT 40% Long Glass Fiber Impact Modified Formulation KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complet-long-fiber-reinforced-structural-thermoplastics

$0.30 $0.52 Q4 2020 ORGANIC PERFORMANCE 3 Sales $922 $997 +8% Operating Income EPS $58 $80 +38% +73% • Record 4th quarter sales, adjusted operating income and adjusted EPS performance • All segments delivered year-over-year sales and operating income growth, led by consumer and healthcare end markets • Clariant Masterbatch integration synergy capture ahead of schedule: $5 million realized in 2020 ($ in millions except EPS) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q4 2020 SEGMENT PERFORMANCE 4 Sales Operating Income $100 $100 $100 $922 $100 $100 $100 $997 Distribution CAI SEM Total 2019 2020 $178 $272 $490 $191 $305 $526 SEM Distribution CAI +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total $17 $19 $40 $18 $30 $58 Distribution SEM CAI +38% +45% +58% +6% (3) (3) (1) (2) (1) Total company sales include intercompany sales eliminations (2) Total company reflects adjusted operating income and includes corporate costs (3) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 2020 HIGHLIGHTS 5 • Completed transformational Clariant Masterbatch acquisition and created new brand name Avient • Increased pro forma adjusted EPS 11% from $1.74 to $1.93 as an essential supplier during the pandemic and due to growth in demand for consumer applications • Specialty Engineered Materials delivered record operating income on gains from composites • Achieved record free cash flow, increased dividend for 10th year in a row and delevered from 3.5x to 2.7x net debt to pro forma adjusted EBITDA • Culture is everything: Certified as a Great Place to Work® $133 $150 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies • Acquisition of Clariant Masterbatch significantly expands presence in healthcare, packaging and consumer end markets • Strength of portfolio – 13% EBITDA growth as an essential supplier in COVID response and recovery • Acquisition completed on July 1, 2020 for $1.4 billion. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 23 1. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 24 Avient reflects 2021 estimated EBITDA of $510M OUR VALUATION VERSUS PEERS Avient Specialty Other 9.5 21.1 13.2 13.2 12.0 12.0 9.7 25.2 23.1 14.7 13.5 12.9 11.0 11.0 11.0 10.2 9.6 9.3 9.3 9.1 8.6 8.3 Median: 11.0xMedian: 12.6x SUMMARY: WHY INVEST IN AVIENT?

That’s Avient. 25,000+ CUSTOMERS >70% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales In July 2020, we completed the acquisition of the Clariant Color business, the largest acquisition in the 20-year history of our company. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 31 1. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $635M and estimated CAPEX of $90M (excludes IT system upgrade of $25M and synergy capture CAPEX of $20M) Source: Peer data per Bloomberg market data as of February 15, 2022 86 89 85 80 76 76 89 85 79 78 76 76 76 70 69 63 8 LB Source: Peer data per Bloomberg market data as of February 15, 2022 Total Enterprise Value / 2022E EBITDAWith the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets.

Version / Date: 1 (no adjustments) / 30.12.2024 Page 2 of 2 Annex I to the certificate: Sustainable materials handled by the certified site (This annex is applicable for all scopes except of Trader, Trader with storage, Warehouse, Logistic centres, MTBE and ETBE) This annex is only valid in connection with the certificate: ISCC-PLUS-Cert-PL214-26100824 issued on 30.12.2024 Input material Output material Add-ons (voluntary)1) Raw material category2) SAI FSA3) FEFAC4) Polypropylene (PP) Plastic Compounds (PP) NO Bio Bio-circular Circular N/A N/A Polyethylene (PE) Plastic Compounds (PE) NO Bio Bio-circular Circular N/A N/A 1) ISCC PLUS add-ons (voluntary application, see www.iscc-system.org for further information): • 202-04: Food Security Standard • 205-02: Consumables • 202-07: Low ILUC-risk feedstock • 205-03: Non GMO for food and feed • 205-01: GHG emission requirements • 205-04: Non GMO for technical markets 2) Bio raw materials complies with the ISCC Principles 1 – 6 for the cultivation and harvesting of sustainable biomass.