Scroll down to the “Lines” section and ensure all details are correct, especially the Price and the Quantity. 6. I need to update prices on my hosted catalog with Avient, how can I do that?

In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. 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; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • 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 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; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA; • 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, geopolitical conflicts and any recessionary conditions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2023 under Item 1A, “Risk Factors.”

They use words such as "will," “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. items, include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. 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; • disruptions or inefficiencies in our supply chain, logistics, or operations; • changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • fluctuations in raw material prices, quality and supply, and in energy prices and supply; • demand for our products and services; • 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 pay regular quarterly cash dividends and the amounts and timing of any future dividends; • information systems failures and cyberattacks; • our ability to service our indebtedness and restrictions on our current and future operations due to our indebtedness; • 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; • 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, geopolitical conflicts, tariffs, and any recessionary conditions; and • other factors described in our Annual Report on Form 10-K under Item 1A, “Risk Factors.” Offsetting any inflationary headwinds with our time-tested rigor in raw material sourcing, substitution and pricing actions 6.

They use words such as "will," “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. items, include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. 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; • disruptions or inefficiencies in our supply chain, logistics, or operations; • changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • fluctuations in raw material prices, quality and supply, and in energy prices and supply; • demand for our products and services; • 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 pay regular quarterly cash dividends and the amounts and timing of any future dividends; • information systems failures and cyberattacks; • our ability to service our indebtedness and restrictions on our current and future operations due to our indebtedness; • 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; • 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, geopolitical conflicts, and any recessionary conditions; and • other factors described in our Annual Report on Form 10-K under Item 1A, “Risk Factors.” FX • Driven by strong drug delivery sales, new business wins in building & construction and consumer • Higher sales and favorable mix more than offset by variable compensation reset resulting in lower adjusted EBITDA Copyright © . 2025 11 Specialty Engineered Materials - Q4 2024 performance 260 280 49 56 • Growth headlined by healthcare, including engineered materials in remote monitoring devices, as well as composites for building & construction, wind energy, and defense applications • Higher sales and favorable mix contributed to adjusted EBITDA growth which more than offset unfavorable impact of variable compensation FY 2024 Copyright © . 2025 13 Color, Additives & Inks – full year 2024 performance 2,007 2,047 358 384 • Driven by new applications for drug delivery and building & construction as well as demand recovery in packaging and consumer • Adjusted EBITDA margin expansion driven by higher sales and net price benefit Adj. 17.8% Adj. 18.7% Copyright © . 2025 14 Specialty Engineered Materials – full year 2024 performance 1,138 1,197 224 249 • Growth headlined by strong demand for applications in defense end market and composites used in building & construction and engineered materials used in healthcare • Adjusted EBITDA margin expansion driven by higher sales and favorable mix Adj. 19.7% Adj. 20.8% Copyright © . 2025 15 Avient full year 2024 performance vs. full year 2023 3,143 3,240 502 526 Adj.

NAME BASE RESIN(S) TARGET MARKETS/ Artisan™ Pre-Colored Thermoplastics ABS, PA Powersports, Lawn & Garden, Marine, Electronics, Home Appliances, Cosmetic Packaging Customizable pre-color solutions Scratch & mar resistance Weatherability & UV resistance High impact resistance Simplifies processing/replaces paint Tailored temperature performance range: -20°C to 105°C Bergadur™ Polyester Formulations PBT Transportation, Consumer, Industrial High strength Good creep rupture strength Good chemical and heat resistance Low friction and good abrasion resistance Complēt™ Long Fiber Reinforced Structural Thermoplastics/ OnForce™ Long Glass Fiber Reinforced Polypropylene Composites PA, PK, PP, PPA, PPS, TPU Consumer, Transportation, Industrial Long fiber technology Elevated impact and mechanical properties at room temperature Increased performance at temperature extremes Excellent creep and fatigue resistance Glass and carbon fiber filled options Lubricated, fire retardant, and pre-colored options PK-based formulations offer reduced carbon footprint as a result of the base resin Recycled grades formulated with up to 100% post- industrial recycled (PIR) or post-consumer recycled (PCR) content Edgetek™ Engineered Polymer Formulations ABS, LCP, PA, PC, PC/ ABS, PC/PBT, PC/PET, PC/PSU, PEEK, PES, PEI, POM, PPA, PPS, PSU Transportation, Consumer, Industrial, Telecommunications, Strength and durability Chemical and temperature resistance High impact resistance Weatherability Flame retardant grades: UL 94 V-0, V-1, V-2, and 5VA Low-density grades for weight reduction 5G properties – customizable Dk/Df and 3D/LDS solutions Edgetek™ REC PC Recycled Polycarbonate Solutions PC Electrical & Electronics, Consumer Goods, Contain 25–70% PIR or PCR content Comparable performance to prime PC formulations Edgetek™ PKE Polyketone PK Electrical & Electronics, Industrial, Consumer, Excellent chemical resistance Good strength, durability and dimensional stability Pre-colored formulations Non-halogen, flame retardant performance to UL 94 V-0 Reduced carbon footprint compared to PA6 and PA66 NAME BASE RESIN(S) TARGET MARKETS/ Gravi-Tech™ Density Modified Formulations PA, TPU, TPE, PBT Consumer, Transportation, Industrial Customized density, from 1.5 to 11 gm/cm3 Broad modulus and strength: flexible to rigid Chemical and corrosion resistance Alternative to lead and other traditional dense metals Suitable for metallization and electroplating Low-shrinkage grades available Gravi-Tech™ BIO Bio-based Formulations Bio-based PP Cosmetic Caps & Closures, Perfume Caps, Spirit Bottle Caps, Luxury Boxes, Handles & Knobs Customized density, from 1.5 to 11 gm/cm3 Formulated with partially bio-based resin from renewable plant sources Achieve equivalent performance to prime density modified solutions Gravi-Tech™ REC Recycled Formulations rPP, rABS, rPA Cosmetic Caps & Closures, Perfume Caps, Spirit Bottle Caps, Luxury Boxes, Handles & Knobs Based on recycled resin and/or filler from PIR and/or PCR sources Achieve equivalent performance to prime density modified solutions LubriOne™ Internally Lubricated Formulations/ LubriOne™ PKE Polyketone PA, PBT, PC, PEEK, PEI, PK, POM, PP, PPA, PPS, PS Transportation, Electrical & Electronics, Industrial Low coefficient of friction Self-lubricating Chemical, wear, and corrosion resistance PK-based formulations can offer a reduced carbon footprint compared to PA6, PA66 and POM Grades avoiding the use of fluorinated lubricants such as PTFE are available Maxxam™ Polyolefin Formulations PP Consumer, Transportation, Electrical & Electronics, Homopolymer and co-polymer grades Optional additives: UV, heat stabilizers Standard grades available in natural and black Maxxam™ BIO Bio-Based Polyolefin PP Consumer, Transportation, Electrical & Electronics, Industrial Formulated with 10–50% bio-content including bio-based resin and/or filler Bio-filler from sources including olive seed powder, recycled coffee grounds, cellulose fiber Achieves equivalent performance to standard polyolefin formulations Maxxam™ FR Flame Retardant Polyolefin PE, PP Consumer, Transportation, Electrical & Electronics, Industrial, Energy Flame retardant grades: UL 94 V-0, V-1, V-2, and 5VA Elevated UL RTI ratings Halogen-free flame retardant grades available Maxxam™ REC Recycled Polyolefin PP Consumer, Transportation, Electrical & Electronics, Formulated with 25–100% recycled resin from PIR and PCR sources Achieves equivalent performance to standard polyolefin formulations Nymax™/Bergamid™ Polymer Formulations PA 6, 66, 612, 12, co-polymers Transportation, Building & Construction, Toughened grades: medium and high impact Optional additives: heat stabilized, lubricated, impact modified, nucleated Standard grades available in natural and black Pre-colored solutions available Nymax™ BIO Bio-based Polyamide Solutions Bio-based PA Transportation, Consumer Goods, Industrial, Building & Construction Formulated with 16–47% natural filler, reducing the carbon footprint Excellent surface appearance and colorability Lower warpage compared with PA66 glass fiber-filled materials Equivalent performance to PA66 glass fiber-filled materials Excellent dimensional stability and property retention rate after water uptake Nymax™ REC Recycled Nylon Formulations PA6, PA66 Transportation, Consumer, Household Appliances, Electrical & Electronics, Contains 20–100% recycled content PIR and PCR grades available Support the circular economy Comparable performance to prime grades Super tough formulations available Customizable solution NAME BASE RESIN(S) AVAILABLE FEATURES1 NEUSoft™ Thermoplastic Polyurethanes and NEU™ Custom Capabilities PEBA, TPU, PA 11, PA 12, PP, PE, TPE Radiopacifiers, stabilizers, and surface modifiers Antimicrobial technologies Pre-colored formulations Small lot capabilities Short lead times Trilliant™ HC Healthcare ABS, LCP, PA, PA 6, PA 66, PC, PC/ABS, PC/PSU, PEBA, PEEK, PES, PK, POM, PPA, PSU Certified to USP Class VI Formulations locked down Drug master file submissions by product stewardship Pre-colored, small lot production down to 50 lb–250 lb Sterilization, chemical resistance, and secondary process guidance Adherence to FDM-GMP manufacturing standards Antimicrobial technologies Materials for radiation shielding protection PK-based formulations offer reduced carbon footprint as a result of the base resin Versaflex™ HC Thermoplastic Elastomers TPE Overmolding Clear and heat resistant Ultra clear grades Ultra soft TPE gels, 30 Shore OO FDA, USP Class VI, ISO 10993 approved grades Sterilizable under autoclave, radiation, and EtO gas Extrusion, injection, and blow moldable Bio-based formulations available HEALTHCARE SPECIALTY FORMULATIONS NAME BASE RESIN(S) TARGET MARKETS/ PREPERM™ Low-Loss Dielectric PPE, PBT, ABS, PP Telecommunications, Stable and controlled dielectric performance Ultra-low transmission loss at mmWave frequencies up to 220 GHz Dielectric constant (Dk) range spanning 2.55 to 23 Stat-Tech™ Static Dissipative & Electrically Conductive ABS, PA, PC, PC/ABS, PC/PSU, PEEK, PEI, PES, PP, PPA Transportation, Integrated EMI/RFI shielding Conductive properties Anti-static/dissipative properties Corrosion resistance Lightweighting and ease of processing Clean room materials for semiconductors available TPE grades are available (see page 6) Surround™ EMI/RFI Shielding ABS, PP, PBT, PC, PA 66 Transportation, Integrated EMI/RFI shielding Long fiber technology Conductive properties Galvanic corrosion protection Lightweighting and ease of processing Therma-Tech™ Thermally Conductive LCP, PA, PEEK, PP, PPA, PPS Consumer, Transportation Thermally conductive Low coefficient of thermal expansion NAME BASE RESIN(S) AVAILABLE FEATURES1 ECCOH™ Low Smoke and Fume Non-Halogen PE, PP, TPE, EVA Flame retardant, low smoke and fume, non-halogen (LSFOH) Flexible, low friction, easy-peel, and high-speed processing Compatible with Avient colorants and additives ECCOH™ XL Cross-Linkable Solutions XLPE Enhances the performance of traditional ECCOH LSFOH solutions Improved oil, chemical and UV resistance, mechanical performance, or operating temperature FireCon™ CPE Insulation Jacketing Formulations CPE, CPE alloy Low and medium voltage cable jacketing Flame retardant and 90°C deformation resistance Oil resistance RoHS grades available Maxxam™ FR Flame Retardant Polyolefin Formulations PE, PP UL Yellow Card for plenum applications Halogen-free flame retardant grades available Maxxam™ SY Foamable Flame Retardant Foamable PP co-polymer Easy processing Variety of final densities available Syncure™ XLPE Cross-linkable Polyethylene Formulations XLPE Low and medium voltage formulations High performance moisture cure technology UL bulletinized XHHW2 and VW1 Temperature, abrasion, and oil resistant Formulations available without DBDPE Resistant to electrical breakdown WIRE AND CABLE SPECIALTY THERMOPLASTICS NAME TARGET MARKETS/APPLICATIONS AVAILABLE FEATURES1 OnFlex™ Thermoplastic Transportation, Building & Construction, Electrical & Electronics, Industrial, Wire & Cable Low odor solutions UV stabilization High heat resistance Automotive approved grades Excellent compression set Flame resistant grades Excellent weatherability Formulations with imbedded antimicrobial additives reSound™ BIO Thermoplastic Consumer, Transportation, Industrial Biopolymers sustainably sourced from plant-based raw materials Utilizing 35–75% bio-renewable content Strength and durability Impact resistance Pre-colored solutions reSound™ REC Recycled Content Thermoplastic Personal Care Products, Lawn & Garden Tools, Outdoor Goods, Office Supplies, Footwear, Houseware Durables, Consumer Electronics, Automotive PIR & PCR formulations utilizing 9–83% recycled content PCR grades formulated with recycled ocean plastics, food packaging, engine oil, or polyvinyl butyral (PVB) PCR grade suitable for use in specific food-contact applications Supports the circular economy Can be overmolded to PP, PC, ABS, PC/AB Comparable performance to traditional TPEs reSound™ Ultra-Low Carbon Footprint Thermoplastics Personal Care, Household Appliances, Consumer Packaging, Consumer Electronics Formulated to achieve a negative, neutral or low product carbon footprint (PCF) Industry-first cradle-to-gate PCF range between -0.46 and -0.02 in kg CO2 equivalent/kg product Opaque natural appearance Easily colorable Comparable performance to traditional TPEs Can be overmolded to PP or PE Stat-Tech™ TPE Static Dissipative & Electrically Conductive Thermoplastic Automotive, Industrial, Conveyor Belts & Controls, ADAS Systems, Electronic Devices Electrical resistivity range from 10 to 10¹⁰ Ω Hardness range from 40–85 Shore A Protects critical electrical components from EMI/RFI and reduces static build-up Simplifies manufacturing Overmolds directly onto polymer substrates Meets regulatory compliance requirements of ATEX and ESD, and food contact compliance grades are available Versaflex™ and Versaflex™ HC Thermoplastic Consumer, Packaging, Healthcare, Electrical & Electronics, Appliances, Medical Tubing, Protective Films Vibration damping grades Clear and heat resistant TPEs Ultra clear grades Ultra soft TPE gels, 30 Shore OO FDA, USP Class VI, ISO 10993 approved grades NSF and UL listings Sterilizable under autoclave, radiation, and EtO gas Extrusion, injection, and blow moldable Formulations with imbedded antimicrobial additive Bio-based formulations for healthcare available GLS™ THERMOPLASTIC ELASTOMERS Lightweighting Complēt™ Long Fiber Reinforced Structural Thermoplastics Edgetek™ LD Low Density Formulations LubriOne™ Internally Lubricated Formulations OnForce™ Long Glass Fiber Reinforced Polypropylene Composites Stat-Tech™ Static Dissipative & Electrically Conductive Formulations Surround™ EMI/RFI Shielding Formulations Therma-Tech™ Thermally Conductive Formulations Human Health & Safety NEUSoft™ Thermoplastic Polyurethanes Versaflex™ HC Thermoplastic Elastomers Reduced Energy Use Artisan™ Pre-Colored Thermoplastics Versaflex™ Non-Blooming TPEs for Consumer Electronics VOC Reduction OnFlex™ LO Thermoplastic Elastomers Versaflex™ Low Adhesive Build-up TPE for Protective Film Tack Layer Versaflex™ PF Tack Layer for Surface Protective Films Recycle Solutions Complēt™ REC Long Fiber Reinforced Structural Thermoplastics Edgetek™ REC PC Recycled Polycarbonate Solutions Gravi-Tech™ REC Recycled Formulations Maxxam™ REC Recycled Polyolefin Formulations Nymax™ REC Recycled Nylon Formulations reSound™ REC Recycled Content Thermoplastic Elastomer Biopolymers Gravi-Tech™ BIO Bio-based Formulations Maxxam™ BIO Bio-based Polyolefin Formulations Nymax™ BIO Bio-based Polyamide Solutions reSound™ BIO Thermoplastic Elastomers Versaflex™ HC BIO Thermoplastic Elastomers Eco-conscious Complēt™ PKE Long Fiber Reinforced Structural Polyketone Thermoplastics Edgetek™ PKE Polyketone Formulations Edgetek™ Solutions for Laser Welding LubriOne™ PKE Polyketone Formulations Gravi-Tech™ Lead Replacement Formulations reSound™ Ultra-Low Carbon Footprint Thermoplastics Elastomers Trilliant™ HC Healthcare Polyketone-based Thermoplastics Trilliant™ XR Lead Replacement Thermoplastics Sustainable Infrastructure ECCOH™ Low Smoke and Fume Non-Halogen Formulations ECCOH™ XL Cross-linkable Solutions Edgetek™ Formulations for 5G Maxxam™ FR Flame Retardant Polyolefin Formulations PREPERM™ Low-Loss Dielectric Thermoplastics Syncure™ XLPE Cross-linkable Polyethylene Formulations SPECIALTY ENGINEERED FORMULATIONS THAT SUPPORT SUSTAINABILITY SPECIALTY ENGINEERED MATERIALS FOCUS MARKETS Our product portfolio offers customizable solutions to serve a full range of markets, including: Building & Construction Consumer Energy Healthcare Packaging Telecommunications 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: our ability to identify and evaluate acquisition targets and consummate and integrate acquisitions; 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 polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; 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; an inability to raise or sustain prices for products or services; an inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisition and integration, working capital reductions, cost reductions and employee productivity goals; information systems failures and cyberattacks; and other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: the ability and time required to consummate the acquisition of Dyneema; our ability to achieve the strategic and other objectives relating to the proposed acquisition of Dyneema; 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; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows; changes in polymer consumption growth rates and 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; an inability to raise or sustain prices for products or services; information systems failures and cyberattacks; and other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • The impact of the COVID-19 pandemic has on our business, results from operations, financial condition and liquidity; • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • Our ability to successful integrate Clariant’s Masterbatch business and achieve the expected results of the acquisition of Clariant’s Masterbatch business, including, without limitation, the acquisition being accretive; • 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 polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; • Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; • 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; • An inability to raise or sustain prices for products or services; • An ability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisitions and integration, working capital reductions, cost reductions, and employee productivity goals; • Information systems failures and cyber attacks; and • Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. That’s Avient. 16,000+ CUSTOMERS >75% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales AVIENT’S VALUE CREATION LEVERS 8 Exposure to high growth end markets Investment in commercial resources and innovation Strong free cash flow generation / capital deployment Clariant Masterbatch synergies COVID recovery Re-Rating: Current share price valuation Avient is poised for near-term and long-term shareholder value creation.

In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. 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; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows; • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • Changes in polymer consumption growth rates and 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; • An inability to achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Our ability to consummate and successfully integrate acquisitions; • 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 described in our Annual Report on Form 10-K for the year ended December 31, 2020 under Item 1A, “Risk Factors.” APPENDIX Performance Additives Pigments TiO2 12% Dyestuffs 4%Polyethylene Nylon Polypropylene Other Raw Materials Styrenic Block Copolymer ~1/3 hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 23 • Exiting 2020, the majority of hydrocarbon based raw material markets were experiencing price inflation and tight inventory • Winter Storm Uri in the Gulf Coast caused further stress on the situation for 2021 • Raw materials most impacted include polyethylene, polypropylene and nylon • We purchase over 8,000 different raw materials to formulate our customized solutions and unique specifications Annual Purchases RAW MATERIAL UPDATE Based on 2020 pro forma purchases, excludes Distribution SEGMENT DATA U.S. & Canada 50% 26% 16% Latin America 2020 SEGMENT, END MARKET AND GEOGRAPHY 25 GEOGRAPHY REVENUESEGMENT FINANCIALS 21%Industrial Building & Electrical & END MARKET REVENUE All data reflects 2020 Pro forma for acquisition of the Clariant Masterbatch business. (1) The total company sales and EBITDA of $3,783M and $457M, respectively, include intercompany sales eliminations and corporate costs $2,043M $331M $709M $124M $1,110M $70M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $457M$3,783M 35% 14% Building & Electrical & C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION 31% 40% 22% Latin America END MARKET REGION 26 2020 figures Pro forma for acquisition of the Clariant Masterbatch business S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 24% Wire & Cable(1) 24% Electrical & 13% 11% Building & 2020 REVENUE | $709 MILLION END MARKET 58% 19% REGION 27 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling DI S TR IBU T I ON 2020 REVENUE | $1 .1 B ILL ION 25% 20% 14% Electrical & Building & 1% 82% Latin America END MARKET REGION K E Y S U P P L I ER S 28 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 32% 27% 12% Building & Electrical & 9% (16% of sales) 34% 16%Healthcare 17% Building & Electrical & (26% of sales) 2020 figures Pro forma for acquisition of the Clariant Masterbatch business 29 26% 19% 13% 16% Building & Electrical & US & Canada (50% of sales) 45% Building & Electrical & 2% Wire & Cable 1% LATAM (8% of sales) Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Adjusted Results Income from continuing operations before income taxes $ 102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (22.9) — (22.9) Income tax impact of special items — (0.9) (0.9) Tax adjustments — 1.1 1.1 Net income attributable to noncontrolling interests (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 79.3 $ 2.6 $ 81.9 Net income / EPS $ 0.86 0.03 $ 0.89 Weighted-average diluted shares 92.2 92.2 92.2 Reconciliation to Consolidated Statements of Income March 31, 2021 Operating income - GAAP $ 120.4 Special items in operating income 2.4 Adjusted Operating income $ 122.8 1 Business Segment Operations March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 609.3 $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Specialty Engineered Materials 216.5 185.3 708.8 745.7 645.8 Distribution 362.7 289.5 1,110.3 1,192.2 1,265.4 Corporate and eliminations (26.2) (19.8) (79.9) (79.0) (76.7) Sales $ 1,162.3 $ 711.5 $ 3,242.1 $ 2,862.7 $ 2,881.0 Gross margin: Color, Additives and Inks $ 197.5 $ 89.4 $ 484.4 $ 338.4 $ 353.4 Specialty Engineered Materials 64.7 52.6 207.6 200.2 171.7 Distribution 39.3 33.6 124.0 132.1 125.8 Corporate and eliminations 0.9 (4.1) (31.7) (13.5) (26.1) Gross margin $ 302.4 $ 171.5 $ 784.3 $ 657.2 $ 624.8 Selling and administrative expense: Color, Additives and Inks $ 108.7 $ 48.9 $ 303.6 $ 191.0 $ 194.9 Specialty Engineered Materials 30.5 30.3 113.2 116.5 99.4 Distribution 15.3 14.2 54.5 56.7 54.3 Corporate and eliminations 27.5 25.3 123.7 136.2 97.6 Selling and administrative expense $ 182.0 $ 118.7 $ 595.0 $ 500.4 $ 446.2 Operating income: Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 34.2 22.3 94.4 83.7 72.3 Distribution 24.0 19.4 69.5 75.4 71.5 Corporate and eliminations (26.6) (29.4) (155.4) (149.7) (123.7) Operating income $ 120.4 $ 52.8 $ 189.3 $ 156.8 $ 178.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 42.0 29.8 124.4 113.2 95.5 Distribution 24.2 19.5 70.2 75.9 72.2 Corporate and eliminations (24.9) (28.0) (146.2) (144.3) (119.3) Other income, net 1.5 1.6 24.3 12.1 (12.9) EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 19.1 % 20.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 19.4 % 16.1 % 17.6 % 15.2 % 14.8 % Distribution 6.7 % 6.7 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 609.3 $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 279.4 540.4 1,118.6 1,209.8 Pro forma sales $ 609.3 $ 535.9 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 23.0 45.0 72.9 80.3 Pro forma operating income $ 88.8 $ 63.5 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 27.4 $ 10.9 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.1 30.1 60.3 61.2 Pro forma depreciation & amortization $ 27.4 $ 26.0 $ 105.2 $ 103.0 $ 105.5 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 38.1 75.1 133.2 141.5 Pro forma EBITDA $ 116.2 $ 89.5 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 19.1 % 16.7 % 16.2 % 15.2 % 15.3 % March 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Sales $ 711.5 $ — $ 711.5 $ 279.4 $ 990.9 Operating income 52.8 9.7 62.5 23.0 85.5 Interest expense, net (9.4) — (9.4) (12.8) (22.2) Other income, net 1.6 (0.1) 1.5 — 1.5 Income taxes (11.9) (1.0) (12.9) (2.4) (15.3) Net income from continuing operations attributable to Avient shareholders $ 33.1 $ 8.6 $ 41.7 $ 7.8 $ 49.5 Weighted average diluted shares 86.7 Impact to diluted shares from January 2020 equity offering 6.1 Weighted average diluted shares 92.8 EPS $ 0.53 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 3 Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (0.3) 9.2 — 9.2 Income taxes (7.9) 0.7 (7.2) (3.8) (11.0) Net income attributable to non controlling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 9.4 $ 32.4 $ 12.9 $ 45.3 Weighted average diluted shares 91.8 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 107.1 Pro forma adjusted EPS $ 0.42 (2) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Year Ended December 31, Reconciliation to Adjusted EBITDA 2020 2019 2018 Net income from continuing operations – GAAP $ 133.8 $ 75.7 $ 87.4 Income tax expense 5.2 33.7 14.4 Interest expense 74.6 59.5 62.8 Debt extinguishment cost — — 1.1 Depreciation and amortization from continuing operations 115.0 78.1 72.6 EBITDA $ 328.6 $ 247.0 $ 238.3 Special items, before tax 66.2 61.7 59.5 Interest expense included in special items (10.1) — — Accelerated depreciation included in special items (3.2) — (3.0) Adjusted EBITDA $ 381.6 $ 308.7 $ 294.8 4 December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations Operating income and other income, net $ 213.6 $ — $ 56.1 $ 269.7 $ 45.0 $ — $ 314.7 Depreciation and amortization 115.0 (3.2) 111.8 30.1 141.9 EBITDA from continuing operations $ 328.6 $ 52.9 $ 381.5 $ 75.1 $ 456.6 December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations Operating income and other income, net $ 168.9 $ — $ 61.7 $ 230.6 $ 72.9 $ — $ 303.5 Depreciation and amortization 78.1 — 78.1 60.3 138.4 EBITDA from continuing operations $ 247.0 $ 61.7 $ 308.7 $ 133.2 $ 441.9 (3) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 5 AVNT First Quarter 2021 Earnings Presentation no recs.pdf AVNT First Quarter 2021 Earnings Presentation.pdf AVNT First Quarter 2021 Earnings Presentation.pdf AVNT First Quarter 2021 Earnings Presentation.pdf 4.29 127pm Q1 21 IR Deck Version non-GAAP Recs (002).pdf

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • The impact of the COVID-19 pandemic has on our business, results from operations, financial condition and liquidity; • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • Our ability to successful integrate Clariant’s Masterbatch business and achieve the expected results of the acquisition of Clariant’s Masterbatch business, including, without limitation, the acquisition being accretive; • 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 polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; • Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; • 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; • An inability to raise or sustain prices for products or services; • An ability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisitions and integration, working capital reductions, cost reductions, and employee productivity goals; • Information systems failures and cyber attacks; and • Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. That’s Avient. 16,000+ CUSTOMERS >75% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales AVIENT’S VALUE CREATION LEVERS 8 Exposure to high growth end markets Investment in commercial resources and innovation Strong free cash flow generation / capital deployment Clariant Masterbatch synergies COVID recovery Re-Rating: Current share price valuation Avient is poised for near-term and long-term shareholder value creation.