PRODUCT RANGE HIGHLIGHTS Amosorb™ 4020E • Non-nylon based oxygen scavenging technology for PET • Helps to prolong the shelf life of many products in major markets Amosorb™ 100 • Non-nylon based oxygen scavenging technology for PET • Developed to meet the needs of the North American market • Featuring a special additivation package to allow for pre-consumer regrind Amosorb™ 4020G • Lower haze levels and lower impact on PET recycle stream • Non-nylon based active oxygen scavenger • PET and rPET compatible • Can be used with mono-layer and multi-layer applications Amosorb™ 4020R • Consistent performance with all levels of rPET (25%, 50% and 100%) • Improved haze and color when in combination with rPET • Flexibility on choice of rPET grade • Non-nylon based product Amosorb™ SolO2 -1 (non-carbonated/ carbonated) and SolO2 -2 (carbonated) • Nylon based oxygen scavenging technologies for PET • Active barrier effect to prevent O 2 ingress • Passive barrier effect to prevent gas ingress and digress from the packaging (i.e.

It has good tensile, thermal, flex, and impact properties like nylon (PA) while maintaining excellent wear and chemical resistance. While PK and PA are both semi- crystalline and contain an abundance of carbon and oxygen, polyketone lacks the nitrogen present in the amide bond of the nylon backbone. Concentrated Acid - 30% H2SO4, 24 HRS, 23°C Nylon samples were almost completely dissolved after one day, while the Edgetek PKE bars are still visible.

These characteristics offer manufacturers a high-performing, cost-effective and more eco-conscious alternative to nylon (PA66 and PA6) and acetal (POM). The production of PK emits up to 61 percent less carbon dioxide (CO 2 ) than nylon and POM. When processing, these formulations have similar shrink to nylons and POM, set up quickly, and have short cycle times.

REDUCED WEIGHT 40–50% weight reduction when switching from metal, portability SOLUTION: Long carbon fiber reinforced composites SUSTAINABILITY PIR/PCR content incorporation SOLUTION: Recycled content long fiber thermoplastics STRENGTH IN EXTREME ENVIRONMENTS High strength-to-weight ratio, high and low temperature performance SOLUTION: Long carbon fiber reinforced composites CORROSION RESISTANCE Metal replacement, eliminate secondary operations, slow moisture uptake SOLUTION: Moisture resistant long fiber reinforced nylons ELECTRIFYING STRENGTH Ignite a passion for exploration and push the boundaries of durability with long fiber thermoplastic technology for bikes, engineered to excel in extreme challenges! 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-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics 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/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-pke-formulations https://www.avient.com/products/long-fiber-technology/complet-pke-formulations https://www.avient.com/products/long-fiber-technology/complet-pke-formulations

NAME BASE RESIN(S) TARGET MARKETS/ APPLICATIONS AVAILABLE FEATURES 1 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 Chemical 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, Electrical & Electronics 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, Transportation Contain 25–70% PIR or PCR content Comparable performance to prime PC formulations Edgetek™ PKE Polyketone Formulations PK Electrical & Electronics, Industrial, Consumer, Transportation 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 1 See technical data sheets for complete product details SPECIALTY ENGINEERED THERMOPLASTICS NAME BASE RESIN(S) TARGET MARKETS/ APPLICATIONS AVAILABLE FEATURES 1 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 Customized density, from 1.5 to 11 gm/cm3 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 Formulations 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, Industrial Homopolymer and co-polymer grades Optional additives: UV, heat stabilizers Standard grades available in natural and black Maxxam™ BIO Bio-Based Polyolefin Formulations P P 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 Formulations 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 Formulations PP Consumer, Transportation, Electrical & Electronics, Industrial 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, Electrical & Electronics 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, Industrial 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 Thermoplastics 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 1 See technical data sheets for complete product details SPECIALTY ENGINEERED THERMOPLASTICS NAME BASE RESIN(S) TARGET MARKETS/ APPLICATIONS AVAILABLE FEATURES 1 PREPERM™ Low-Loss Dielectric Thermoplastics PPE, PBT, ABS, PP Telecommunications, Transportation 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 Formulations ABS, PA, PC, PC/ABS, PC/PSU, PEEK, PEI, PES, PP, PPA Transportation, Electrical & Electronics 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 Formulations ABS, PP, PBT, PC, PA 66 Transportation, Electrical & Electronics Integrated EMI/RFI shielding Long fiber technology Conductive properties Galvanic corrosion protection Lightweighting and ease of processing Therma-Tech™ Thermally Conductive Formulations LCP, PA, PEEK, PP, PPA, PPS Consumer, Transportation Thermally conductive Low coefficient of thermal expansion Corrosion resistance 1 See technical data sheets for complete product details NAME BASE RESIN(S) AVAILABLE FEATURES1 ECCOH™ Low Smoke and Fume Non-Halogen Formulations 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 Formulations Foamable PP co-polymer Easy processing Variety of final densities available Corrosion resistance 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 Elastomers Transportation, Building & Construction, Electrical & Electronics, Industrial, Wire & Cable Low odor solutions UV stabilization High heat resistance Chemical resistance Automotive approved grades Excellent compression set Overmolding Flame resistant grades Excellent weatherability Extrusion, injection, and blow moldable Formulations with imbedded antimicrobial additives reSound™ BIO Thermoplastic Elastomers Consumer, Transportation, Industrial Biopolymers sustainably sourced from plant-based raw materials Utilizing 35–75% bio-renewable content Strength and durability Chemical resistance Impact resistance Pre-colored solutions reSound™ REC Recycled Content Thermoplastic Elastomers 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 Elastomers 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 Elastomers 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 Elastomers Consumer, Packaging, Healthcare, Electrical & Electronics, Appliances, Medical Tubing, Protective Films Overmolding 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 1 See technical data sheets for complete product details 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 Industrial Packaging Telecommunications Transportation 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

This innovation drives performance and is reflective of consistent, strategic investments in our portfolio…and people. 2020 Pro forma $991 $86 Sustainable Solutions 15 11% 6 Healthcare 28 22% 6 Composites 6 10% 3 Growth in Emerging Regions 44 30% 10 Other 53 10% 7 Sub-total $1,137 15% $118 FX Impact 25 - 2 Synergies - - 11 Incentives, Travel, Other Employee Costs - - (8) 2021 Actual $1,162 17% $123 Q1 2021 ORGANIC SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 7 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Adjusted Operating Income$ millions (1) 8 Electrical & Electronics Building & Construction Wire & Cable Transportation Industrial Healthcare Packaging Consumer Q1 2020PF Q1 2021 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) Financial information is presented on a constant currency basis (1,2) (42% of total revenue) (58% of total revenue) Q1 END MARKET SALES PERFORMANCE +17% +14% +8% +10% +8% +22% +5% +24% Q 2 A N D F U L L Y E A R 2 0 2 1 O U T L O O K $69 $112 2020PF 2021E $0.42 $0.80 2020PF 2021E ORGANIC GROWTH PROJECTIONS – Q2 ( T O TA L C O M PA N Y ) 10 Sales Adjusted Operating Income $870 $1,100 2020PF 2021E + 26% Adjusted EPS + 62% + 90% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition FULL YEAR GUIDANCE INCREASED 11 Sales Adj. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 18 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 3 4 3 3 3 4 4 5 5 5 6 7 7 8 24 A vi e n t A vi e n t (E xc l. APPENDIX Performance Additives 15% Pigments 15% TiO2 12% Dyestuffs 4%Polyethylene 10% Nylon 5% Polypropylene 4% Other Raw Materials 29% Styrenic Block Copolymer 6% ~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% EMEA 26% Asia 16% Latin America 8% 2020 SEGMENT, END MARKET AND GEOGRAPHY 25 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 21%Industrial 15% Wire & Cable 6% Building & Construction 6% Electrical & Electronics 4% END MARKET REVENUE Transportation 10% Healthcare 15% 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 (1) Packaging 35% Consumer 23% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 7% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2 0 2 0 P F R E V E N U E | $ 2 . 0 B I L L I O N US & Canada 31% EMEA 40% Asia 22% Latin America 7% END MARKET REGION 26 2020 figures Pro forma for acquisition of the Clariant Masterbatch business S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Consumer 24% Healthcare 10% Packaging 6% Wire & Cable(1) 24% Electrical & Electronics 13% Transportation 11% Industrial 10% Building & Construction 2% 2 0 2 0 R E V E N U E | $ 7 0 9 M I L L I O N END MARKET US & Canada 58% EMEA 23% Asia 19% REGION 27 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling D I S T R I B U T I O N 2 0 2 0 R E V E N U E | $ 1 . 1 B I L L I O N Healthcare 29% Consumer 25% Packaging 2% Industrial 20% Transportation 14% Electrical & Electronics 5% Building & Construction 4% Wire & Cable 1% US & Canada 82% Asia 3% Latin America 15% END MARKET REGION K E Y S U P P L I E R S 28 T O T A L C O M PA N Y R E G I O N A L S A L E S B Y E N D M A R K E T Packaging 32% Consumer 27% Healthcare 12% Industrial 6% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Asia (16% of sales) Transportation 4% Packaging 34% Consumer 16%Healthcare 5% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% EMEA (26% of sales) Transportation 7% 2020 figures Pro forma for acquisition of the Clariant Masterbatch business 29 Transportation 10% Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% US & Canada (50% of sales) Packaging 45% Consumer 29% Healthcare 6% Industrial 8% Building & Construction 3% Electrical & Electronics 2% Wire & Cable 1% LATAM (8% of sales) Transportation 6% Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items 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 Three Months Ended March 31, 2021 Operating income - GAAP $ 120.4 Special items in operating income 2.4 Adjusted Operating income $ 122.8 1 Business Segment Operations 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 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 % Three Months Ended March 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient 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 Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient 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 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted Avient 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 Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient 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

Engineered Formulations Provide Nylon Alternatives A Guide to Nylon Alternatives Alternatives to Nylon 6,6

B I O P H A R M AC E U T I C A L S U P P LY C O M PA N Y T U B I N G C L A M P • High impact and wear resistance • Low moisture uptake • Comparable dimensional stability to nylon • Eco-conscious alternative to PA66 and PA6 • Delivered a comparable alternative to nylons during supply shortages, resulting in rugged performance and a lower carbon footprint • Provided improved chemical resistance to nylon clamps to withstand repeated cleanings from harsh disinfectants • Offered a global manufacturing footprint to support future expansion of the end products to markets outside the Americas Trilliant™ HC 8910 Glass-Filled Polyketone Thermoplastics KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION DURABILITY + MATERIAL AVAILABILITY LEARN MORE Copyright © 2023, Avient Corporation.

Wall Thickness (mm) C o o li n g T im e ( S e c ) 40 35 30 25 20 15 10 5 0 0 1 2 3 4 ABS PC Nylon 6/6 FIGURE 1 - Wall thickness vs . cooling time of various plastics FIGURE 2 - Designing for wall thickness changes FIGURE 3 - Internal and external radius guidelines FIGURE 4 - Coring for tight radius design ESCR Design Guide 2 CONTOUR Where possible, contouring the products’ exterior form, as shown in Figure 5, can help to eliminate pooling of fluids . Figure 6 shows how to properly draft a part to keep a nominal wall thickness . ESCR Design Guide 6 FIGURE 17 - Non-structural hole design guidelines 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation .

Formulated with between 20 and 100 percent post-industrial nylon materials, such as recycled carpet, Nymax™ PIR post-industrial recycled nylon offers comparable performance to prime nylon grades, including high strength, durability, impact resistance, and weather resistance. As a result, this material is an excellent alternative to prime nylon in many industries and applications, including automotive, outdoor high performance and industrial. For more information about Nymax™ PIR post-industrial recycled nylon grades, click here: Nymax PIR