Typical injection molding machinery Plastification Polymer Reaction Dispersion Nucleation & expansion Activation Hydrocerol concentrate CFA masterbatch Hydrocerol concentrate Injection molding PROCESSING WITH HYDROCEROL CONCENTRATE ON COMMON INJECTION MOLDING MACHINES Foaming agents in the melt—whether physical or chemical—are changing the melt flow behavior and some melt properties, making it comparable to a higher MFI level polymer.

Liquid and masterbatch colorants to provide shelf appeal  OnCap™ Light Shield UV and Visible Light Barrier Masterbatches

Liquid and masterbatch colorants to provide shelf appeal  OnCap™ Light Shield UV and Visible Light Barrier Masterbatches

COLORANT DISPERSIONS RUBBER COLORANT DISPERSIONS Stan-Tone™ MB/MC & EP Stan-Tone™ MB/MC & EP are pigment dispersions for rubber systems, available in customizable binder systems suited for nitrile, EPR, EPDM, SBR, natural rubber, CPE and EVA compounds Applications: industrial goods, auto mats, rubber flooring, sponge rubber, wire and cable URETHANE COLORANT DISPERSIONS Polyester Urethane Paste Colorants: Stan-Tone™ PEP Stan-Tone™ PEP colorants are reactive and compatible with polyester systems, reacting to become part of the final cured product Applications: cast urethane wheels, industrial rollers, rigid foams, adhesives, laminates, pultrusion, glass reinforced composites, coated fabrics Polyether Urethane Paste Colorants: Stan-Tone™ ET Stan-Tone™ ET colorants for urethane are compatible with polyether systems, reacting to become part of the final cured product Applications: flexible foam, cast-able rolls and wheels, adhesives and laminates EPOXY COLORANT DISPERSIONS Stan-Tone™ EPX Stan-Tone™ EPX consists of selected pigments dispersed in a Bisphenol A undiluted epoxy resin with an epoxide equivalent of 185 Applications: protective coatings, adhesives, epoxy flooring, electrical potting and laminates VINYL COLORANT DISPERSIONS Stan-Tone™ VC & VCP Stan-Tone™ VC and VCP are products based on single pigment or multi-pigment blends and are designed for applications in which dispersion, uniformity, compatibility and cleanliness are essential Applications: profile extrusions, decking, outdoor furniture, calendaring applications Plasticizer-Based Colorants for Vinyl Paste: Stan-Tone™ HCC Stan-Tone™ HCC dispersions consist of selected pigments dispersed in diisodecyl phthalate plasticizer (DIDP) and are designed for applications in which dispersion, uniformity, compatibility and cleanliness are essential Applications: coated fabric, vinyl sealants, adhesives, wall coverings, toys and sporting goods SILICONE COLORANT DISPERSIONS Liquid Silicone Colorants: Silcopas™ Stan-Tone™ SP or FSP (FDA-compliant) Silcotec™ SL Stan-Tone™ HC Plus LSR (class VI certified) Silicone paste colorants are single pigment or custom- made dispersions using a silicone carrier specially developed for liquid silicone rubber (LSR) injection molding applications Applications: infant care, toys, seals, gaskets and medical equipment High Consistency Silicone Rubber Colorants: Silcogum™ Silcotec™ S Stan-Tone™ SMB Stan-Tone™ HC Plus HCR (class VI certified) Silicone rubber colorants are made with a silicone elastomer gum binder resulting in cuttable masterbatches or slabs for ease of handling, especially for 2-roll, open-mill mixing Applications: mechanical seals, keypads, gaskets, wire and cable jacketing Room Temperature Vulcanization Colorants: Silcopas™ RTV and Stan-Tone™ SP Silcopas™ RTV and Stan-Tone™ SP colorants offer a standard line of single pigment or custom made dispersions using a low viscosity dimethyl fluid specially developed for room temperature vulcanization (RTV) rubber Applications: caulks, sealants, adhesives WATER-BASED COLORANT DISPERSIONS Water-Based Liquid Colorants: Stan-Tone™ WDN Stan-Tone™ WDN water dispersions are high-solids organic or inorganic pigment dispersions designed to help meet standards for dispersion including pH levels and strength and shade Applications: dipped latex balloons and gloves, coatings and adhesive systems ADDITIVE DISPERSIONS AQUEOUS ADDITIVE DISPERSIONS Aquamix™ Aquamix™ chemical dispersions are a full line of dispersed and emulsified curatives, antioxidants, fillers, vulcanizers, optical brighteners, flame retardants, UV stabilizers and tackifiers Applications: adhesives and latex compounding, curatives SILICONE ADDITIVE DISPERSIONS Electrically Conductive Additives for Silicone: Silcosperse™ EC Silcosperse™ EC electrically conductive additives provide high conductivity and lower filler loadings Applications: resistors, printable electronics, flexible electronics, insulator depolarizers Laser Marking Additives for Silicone: Silcosperse™ LM Silcosperse™ LM laser marking additives are dispersions that contain laser absorbers and color formers that eliminate the need for secondary etching Applications: medical device housings, electronic device housings, wire and cable jacketing Peroxide Additives for Silicone: Silcocat™ Silcocat™ dispersions can improve silicone molding process by stabilizing silicone peroxide compound levels Applications: automotive hoses, seals, gaskets Heat Stabilizer Additives for Silicone: Silcosperse™ The Silcosperse™ family of heat stabilizing additives provide a high quality dispersion into silicone designed to enhance heat resistance of silicone compounds Mold Release Additives for Silicone: Silcosperse™ IMR Silcosperse™ IMR is an internal mold release dispersion designed to be added to the silicone or fluorosilicone compound to facilitate the de-molding of finished parts Acid Acceptor Additives for Silicone: Silcosperse™ 180 Silcosperse™ 180 acid acceptor is a premium dispersion used to neutralize acid by-products generated by certain peroxides Viscosity Modifiers for Silicone: Silcosperse™ 237 Silcosperse™ 237 modifier dispersions are designed to raise or control the viscosity without changing solid content SPECIALTY PRODUCTS DRY POWDER COLORANTS Stan-Tone™ D and Stan-Tone™ DC Stan-Tone™ D and Stan-Tone™ DC are dry powder pigments available in a range of hues and chemical types WET OR DRY BLEND COLORANTS Stan-Tone™ DB Stan-Tone™ DB dry blend colorants provide enhanced performance over dry colors, resulting in uniform critical pigment weight ratios for improved color control SELF-BONDING SILICONE Silcotec™ SCB Silcotec™ SCB self-bonding silicone solutions allow silicone to bond to various substrates without prime coating To learn more about our colorant & additive dispersions, please contact us at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com.

In 2020, we updated our applications and revenue to better represent how we enable our customers’ sustainability goals, as well reflect the sustainable technologies of recently acquired Clariant Masterbatch business. Avient will use this data to develop new and unique masterbatch formulations with proven science behind how they perform during recycling processes, offering customers a portfolio that’s essentially field-tested for recycling. In 2020, we updated our applications and revenue to better represent how we enable our customers’ sustainability goals, as well reflect the sustainable technologies of recently acquired Clariant Masterbatch business.

Liquid and masterbatch colorants to provide shelf appeal Smartbatch™ formulations blend design and function in one masterbatch solution  Antimicrobial technology, custom colors and performance additives in one masterbatch

Rejoin PCR Masterbatch for Polyolefins (Chinese) Masterbatch Solutions for Mosquito Nets Functional masterbatch for protective face masks (English version)

Coincident with the acquisition of the Clariant Color business in 2020, we branded the collective enterprise Avient—a new name for a new kind of materials company. HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 40Sustainability Report | 2023 40 https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainability-report/products/how-our-products-enable-sustainability Service Innovation Enables Quality Recycle Post-Consumer Recycle (PCR) Color Predictive Tool Innovation Award, Winner: Plastics Industr y Association Product Technology Innovation, Winner: Plastics Recycling Awards Europe 2023 Product Innovation Enables PCR Claims + Low CO 2 reSound™ Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industr y Association Rejoin™ 100% PCR Masterbatch Sustainable Packaging Innovation Finalist: U.S. SUPPLIERS AVIENT CUSTOMERS Strategy Avient is actively involved in various associations including the ACC, European MasterBatchers and Compounders (EuMBC), European Plastics Converters (EuPC) and Titanium Dioxide Manufacturers Association (TDMA).

Coincident with the acquisition of the Clariant Color business in 2020, we branded the collective enterprise Avient—a new name for a new kind of materials company. HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 40Sustainability Report | 2023 40 https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainability-report/products/how-our-products-enable-sustainability Service Innovation Enables Quality Recycle Post-Consumer Recycle (PCR) Color Predictive Tool Innovation Award, Winner: Plastics Industr y Association Product Technology Innovation, Winner: Plastics Recycling Awards Europe 2023 Product Innovation Enables PCR Claims + Low CO 2 reSound™ Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industr y Association Rejoin™ 100% PCR Masterbatch Sustainable Packaging Innovation Finalist: U.S. SUPPLIERS AVIENT CUSTOMERS Strategy Avient is actively involved in various associations including the ACC, European MasterBatchers and Compounders (EuMBC), European Plastics Converters (EuPC) and Titanium Dioxide Manufacturers Association (TDMA).

GUIDANCE $800 $754 Guidance Actual $128 $123 Guidance Actual Sales Adjusted EBITDA (in millions) $0.56 $0.57 Guidance Actual Adjusted EPS (in millions) 13 • Demand impacted by destocking and cautious customer sentiment • Positive net price benefit: o CAI - Pricing flat and raw material deflation o SEM - Pricing flat with unfavorable mix related to healthcare, more than offset with raw material deflation • Cost reductions driven by Clariant synergies and reduced administrative costs Q3 EBITDA BRIDGE ($ millions) CAI: Price / Mix -) Deflation 22) SEM: Price / Mix (6) Deflation 13) Net Price Benefit 29) Cost Reductions 13) Wage Inflation (8) FX 1) Q3 2023 Actual $ 123) Adjusted EBITDA Q3 2022 Pro Forma $ 137) Demand (49) 14 2 0 2 3 G U I D A N C E Q4 2023 GUIDANCE VS.