Complēt™ Hybrid Synergistically combines long carbon and long glass fiber together in a unified pellet solution to optimize performance and cost while enabling a more consistent molding experience and end product compared to blending at the press. OVERCOME MATERIAL CHALLENGES Deploy long fiber reinforced composites to meet these needs: • Metal replacement for weight reduction • Failure of lower performing plastics • Structural load carrying requirements • Increased impact or fatigue durability • Wide temperature range performance • Thermoplastic design freedom • Manufacturing process cost savings 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

INDUSTRY BULLETIN DISPERSIONS IN HEALTHCARE TECHNOLOGY DESCRIPTION TYPICAL APPLICATIONS Silicone Colorant Dispersions Biocompatible, conformable silicone rubber colorants that deliver lightfastness and aesthetic appeal • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Medical ventilation/respiratory masks • Dental and medical tools and equipment Silicone Additive Dispersions Silicone additive solutions formulated to provide chemical resistance, durability, and enhanced physical properties Rubber Colorant Dispersions Durable rubber colorants formulated for optimal dispersion and lot-to-lot consistency to promote ease of handling • Medical devices and tools • Vibration and shock control for medical equipment • Drug delivery devices Urethane Colorant Dispersions Versatile urethane colorants that streamline production and enhance quality • Foam enclosures/support for medical tools and equipment • Medical and surgical devices • Physical therapy tools Epoxy Colorant Dispersions Long-lasting, hygienic epoxy colorants that provide high-cost efficiency, stability, and customization opportunities • Healthcare facility floor coatings Vinyl Colorant Dispersions Vinyl colorants developed for applications where dispersion, uniformity, compatibility, and cleanliness are essential • Medical equipment Aqueous Additive Formulations Functional additives stabilized, suspended, and dispersed in water that shorten development cycles, streamline operations, and can be customized to meet specific requirements • Medical gloves • Wound care Electrically Conductive Additives for Silicone Innovative silicone additives to provide high conductivity and lower filler loadings • Neurostimulation electrode pads • Medical tools and equipment Laser Marking Additives for Silicone Dispersions containing laser absorbers and color formers that eliminate the need for secondary etching while promoting chemical resistance, mechanical property retention, and production efficiency • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Medical ventilation/respiratory masks • Medical devices Surface Modification Additives for Silicone Non-oil based silicone additives that reduce tackiness and enhance smoothness of the cured compound • Dental tools and equipment • Medical devices, tools, and equipment Self-Bonding Silicone Silicone compounds able to bond to various substrates without prime coating • Medical tools and equipment This listing represents standard Avient dispersion technologies and addresses common healthcare applications, but we can work with you to explore additional options. However, they can also introduce new challenges in developing the high-performing and cost-effective products needed to help doctors and medical practitioners deliver treatments that will improve patient outcomes.

Purchase price multiple rapidly declining on strength of business and synergy capture 12 $133 $201 2019PF 2022E 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies 11.9% 16.3% 2019PF 2022E EBITDA Margins CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 13 Distribution DSM Protective BOLT-ON ACQUISITION HISTORY 14 Commercial Resources Operating Income Operating Margins 259 363 $40 $139 Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 46% 67% 86% 0% 60% 80% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 15 Building & 43% 14% Telecom. 2% 2006 2022 Pro Forma 21% Building & Telecom. OPS) 21 Sales Adjusted EBITDA $818 $823 + 1% Adjusted EPS + 8% - 3% (in millions) (in millions) (+ 9% excluding FX) (+ 18% excluding FX) (+ 5% excluding FX) Q3 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 Price increases more than offset raw material and supply chain impacts $ millions CAI: Price / Mix 68 Inflation (44) SEM: Price / Mix 41 Inflation (26) Net Price Benefit 39 Wage and Energy Inflation (14) Clariant Color Integration Synergies 6 Incentives, Other Employee Costs 14 FX (11) Q3 2022 $137   Adjusted Q3 2021 $ 142 Demand (39) Q3 2022 SEGMENT PERFORMANCE 23 CAI $587 $566 Sales $93 $93 SEM Pro Forma $326 $319 Sales $70 $62 (+ 4% excluding FX) - 4% - 2% (+ 5% excluding FX) Flat (+ 7% excluding FX) - 11% (- 7% excluding FX) $500 $585 $2.60 $2.95 FULL YEAR 2022 GUIDANCE 24 Sales Adjusted EBITDA $3,375 $3,635 Adjusted EPS (in millions) (in millions) 25 SUMMARY • Executed the plans we laid out earlier this year • Completed the Dyneema acquisition and Distribution divestiture amid challenging market conditions • Paid down debt and expect to finish the year modestly levered at 3.1x net debt to 2022 pro forma adjusted EBITDA • Expect $200 million of free cash flow in 2022 • Entering an economic slowdown with a portfolio that is better positioned than ever before • Updated our EPS guidance to $2.60 from continuing operations APPENDIX Performance Additives Pigments TiO2 Dyestuffs 3%Polyethylene 12% Nylon Polypropylene Other Raw 30% Styrenic Block Copolymer ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 27 • From Q2 to Q3, we have seen a 7-10% sequential decline in certain hydrocarbon-based raw materials • Other raw materials such as performance additives and pigments have shown moderate inflation sequentially from Q2 to Q3 Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Avient Protective Materials SEGMENT DATA U.S. & Canada Latin America 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 21% Building and END MARKET REVENUE (1) Total company adjusted EBITDA of $585M includes corporate costs.

At four global ColorWorks centers, teams of experts work to establish high-impact color concepts at the earliest stages of product development to help you heighten shelf impact, differentiate brands, control costs and time- to-market, and manage color across multiple resins all around the world. Streamlining this process and being able to react quickly and cost-effectively to market dynamics can give that all-important competitive edge. Manufacturers operating lean manufacturing systems can also benefit by driving down inventory requirements even further • Avient’s advanced liquid systems can be run at lower temperatures whilst maintaining stability allowing important energy cost and carbon footprint savings to be made LIQUID COLOR SERVICE PACKAGE Avient is dedicated to supporting its customers with a full package of support services to ensure optimum value from our advanced colorant and additive technologies.

At four global ColorWorks centers, teams of experts work to establish high-impact color concepts at the earliest stages of product development to help you heighten shelf impact, differentiate brands, control costs and time- to-market, and manage color across multiple resins all around the world. Streamlining this process and being able to react quickly and cost-effectively to market dynamics can give that all-important competitive edge. Manufacturers operating lean manufacturing systems can also benefit by driving down inventory requirements even further • Avient’s advanced liquid systems can be run at lower temperatures whilst maintaining stability allowing important energy cost and carbon footprint savings to be made LIQUID COLOR SERVICE PACKAGE Avient is dedicated to supporting its customers with a full package of support services to ensure optimum value from our advanced colorant and additive technologies.

Purchase price multiple rapidly declining on strength of business and synergy capture 12 $133 $201 2019PF 2022E 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies 11.9% 16.3% 2019PF 2022E EBITDA Margins CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 13 Distribution DSM Protective BOLT-ON ACQUISITION HISTORY 14 Commercial Resources Operating Income Operating Margins 259 363 $40 $139 Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 46% 67% 86% 0% 60% 80% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 15 Building & 43% 14% Telecom. 2% 2006 2022 Pro Forma 21% Building & Telecom. OPS) 21 Sales Adjusted EBITDA $818 $823 + 1% Adjusted EPS + 8% - 3% (in millions) (in millions) (+ 9% excluding FX) (+ 18% excluding FX) (+ 5% excluding FX) Q3 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 Price increases more than offset raw material and supply chain impacts $ millions CAI: 68Price / Mix (44)Inflation SEM: 41Price / Mix (26)Inflation 39Net Price Benefit (14)Wage and Energy Inflation 6Clariant Color Integration Synergies 14Incentives, Other Employee Costs (11)FX $137 Q3 2022   Adjusted $ 142Q3 2021 (39)Demand Q3 2022 SEGMENT PERFORMANCE 23 CAI $587 $566 Sales $93 $93 SEM Pro Forma $326 $319 Sales $70 $62 (+ 4% excluding FX) - 4% - 2% (+ 5% excluding FX) Flat (+ 7% excluding FX) - 11% (- 7% excluding FX) $500 $585 $2.60 $2.95 FULL YEAR 2022 GUIDANCE 24 Sales Adjusted EBITDA $3,375 $3,635 Adjusted EPS (in millions) (in millions) 25 SUMMARY • Executed the plans we laid out earlier this year • Completed the Dyneema acquisition and Distribution divestiture amid challenging market conditions • Paid down debt and expect to finish the year modestly levered at 3.1x net debt to 2022 pro forma adjusted EBITDA • Expect $200 million of free cash flow in 2022 • Entering an economic slowdown with a portfolio that is better positioned than ever before • Updated our EPS guidance to $2.60 from continuing operations APPENDIX Performance Additives Pigments TiO2 Dyestuffs 3%Polyethylene 12% Nylon Polypropylene Other Raw 30% Styrenic Block Copolymer ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 27 • From Q2 to Q3, we have seen a 7-10% sequential decline in certain hydrocarbon-based raw materials • Other raw materials such as performance additives and pigments have shown moderate inflation sequentially from Q2 to Q3 Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Avient Protective Materials SEGMENT DATA U.S. & Canada Latin America 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 21% Building and END MARKET REVENUE (1) Total company adjusted EBITDA of $585M includes corporate costs.

EXCELLENT QUALITY/CONSISTENCY • Long and stable spinning time • Easy production management • Reduced spinning filter part replacement • Higher production output • Lower production cost vs. conventional dyeing EXCELLENT COLOR CONSISTENCY OF YARNS • Controlled limits of color deviation • Greater customer satisfaction • Strictly selected and controlled raw materials EXCELLENT COLOR FASTNESS (LIGHT, WASHING, DRY HEAT, ETC.) • Attractive appearance to final product • Long lasting color ENVIRONMENTAL ADVANTAGES • Environmental advantages • Less production costs • Lower carbon footprint • Lower chemical usage • Waste reduction MAGIQ FIBER COLORANTS - MASTERBATCH PORTFOLIO BLACK • Standard and special products with high pigment concentrations and excellent tinting strength • MBs at lower concentrations designed to meet specific customer needs • Black MB tailored for special requirements, with particular physical/rheological properties • Optimal melt flow properties allow a good mixture with the polymer matrix yielding the best possible spinnability

Hydrocerol™ Chemical Foaming Agents FOR USE IN INJECTION MOLDING TECHNICAL GUIDE CHEMICAL FOAMING AGENTS • Reduced part weights, saving material and costs • Reduced cycle times • Smoother surface • Fine cell structure • No discoloration or odor • Suitable for standard machinery • Flexibility in production • Smaller machines, due to lower clamping forces • Higher stiffness-to-weight ratio • Elimination of warpage • Elimination of sink marks • Improved dimensional accuracy • Improved flowability • Improved thermal insulation • Decreased sound transfer • Creation of new effects Chemical foaming agents are substances, which get activated at typical thermoplastic polymer processing temperatures, liberating gases such as CO2 and/or N2. Processing stages PRESSURE PROFILE Compact Molding Structured Foam Molding Cycle Time Pr es su re The main reason for the use of Hydrocerol Chemical Foaming Agents is to achieve weight reduction of plastic parts, which in turn saves material costs and supports a more sustainable profile to the molded part.

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