The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA, Adjusted Earnings Per Share, Adjusted Operating Income and Free Cash Flow, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. Purchase price multiple rapidly declining on strength of business and synergy capture 10 $133 $205 2019PF 2021 10 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.1x 2019PF 2021 2021 w/ Full Synergies 11.9% 16.2% 2019PF 2021 EBITDA Margins CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION (1) Financial information is pro forma to include a full year of Clariant Color business ($ millions) Initial Synergy Estimate 2021 Synergy Realization Total Synergies Expected Administrative $ 18 $ 29 $ 40 Sourcing 24 20 24 Operational 18 5 21 Total Synergies $ 60 $ 54 $ 85 CLARIANT COLOR INTEGRATION & COST SYNERGIES UPDATE 11 • Integration going extremely well: synergy target increased to $85 million at December 9th Investor Day • Relentless focus on guiding principles of safety first, employee collaboration and exceeding customer expectations • Future revenue synergies are not part of these estimates and represent additional growth over the long term SUSTAINABILITY FOR A BETTER TOMORROW • Revenue from sustainable solutions grew 16% in 2021 and expected to grow 8-12% in 2022 as our innovation efforts and collaboration with customers accelerates • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business 2016 2017 2018 2019 2020PF** 2021 $405M $455M $550M $790M Revenue From Sustainable Solutions* 2016-2021 $915M $340M PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $16 million raised since 2010 Diversity & Inclusion 13 Q4 2020 $997 $80 Sustainable Solutions 23 12% 8 Healthcare 53 43% 9 Composites 7 22% 2 Growth in Asia / LATAM 14 10% 3 Other 118 23% 2 Sub-total $1,212 22% $104 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 9 Incentives, FX, Other Employee Costs (10) (13) Q4 2021 $1,202 21% $85 Q4 2021 SALES AND OPERATING INCOME 14 Sales Growth Rate Operating Income$ millions Q4 EBITDA BRIDGE 15 Price increases more than offsets raw material and supply chain impacts Q4 2020 $ 118 Demand - $ millions CAI: Price / Mix 62 Inflation (45) SEM: Price / Mix 25 Inflation (20) Distribution: Price / Mix 114 Inflation (109) Net Price Benefit 27 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 9 Incentives, FX, Other Employee Costs (13) Q4 2021 $ 126 Transportation (5)$ Outdoor High Performance (3) Other 8 Total Demand - Q4 2021 SEGMENT PERFORMANCE 16 $526 $581 SEM Distribution $58 $61 + 11% + 6% $305 $425 $18 $22 + 39% + 22% $191 $228 $30 $29 + 19% - 3% 2022 O U TLO O K REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate 2022E Growth Rate Sustainable Solutions 8–12% 12% Healthcare 8–10% 10% Composites 10% 3% Asia / LATAM 5% 6% Other (GDP growth) 2–3% 2–3% Avient 6.5% 6% 18 Excluding Outdoor High Performance 13% (7.5% excl. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

HOW DOES THE SYSTEM WORK?

Copolyester, Polyester & PC/Polyester Blends Copolyester Eastman Tritan™ (Copolyester) High chemical resistance to a wide variety of hospital disinfectants; excellent toughness and impact resistance after disinfection; retains color and gloss after sterilization and disinfection; does not contain BPA, BPS or halogens Polybutylene Terephthalate (PBT) DuPont™ Crastin® & Rynite® (FR-PBT) 30% glass reinforced; flame retardant; good mold flow and electrical properties; high strength, stiffness, dimensional stability and heat resistance Polyester (PC/PET) & Polybutylene Terephthalate (PC/PBT) Covestro Makroblend® (FR-PC/PET) & (FR-PC/PBT) Strength; toughness; chemical resistance; flame retardant Covestro Makroblend® (Non-FR PC/PBT) Strength; toughness; chemical resistance; limited biocompatibility Trinseo EMERGE™ (FR-PC/PET) Chemical resistance; ignition resistance; limited biocompatibility PA, PVC, PC & PMMA Polyamide (Nylon, PA) Avient Trilliant™ XR Radiation Shielding (PA) Radiation shielding; green alternative for lead replacement; enhanced design freedom vs. lead; available in hard and soft durometers Arkema Rilsan® MED (PA11) & Rilsamid® MED (PA12) Chemical resistance; transparent and opaque; easy processing; creep resistance; temperature resistance; BPA-free; sterilizable by gamma, EtO and steam Polyvinyl Chloride GEON Performance Solutions Resilience™ HC (PVC) Excellent chemical resistance; good strength and stiffness; very good surface quality; inherently flame resistant; available in all medical colors; excellent solvent bonding to PVC Polycarbonate (PC) Trinseo EMERGE™ (PC) Ignition resistant; transparent and opaque; glass-filled also available PolyMethyl Methacrylate (PMMA) Trinseo Plexiglas® Acrylics (PMMA) Clarity; easy processing; chemical resistance; BPA free; ideal for light piping and lenses Styrenics & FR-PC/ABS Blends Styrenics Trinseo MAGNUM™ (ABS) Opaque; custom colors; excellent impact and flow; low residuals; full biocompatibility INEOS Styrolution Terlux® HD (MABS) Good clarity; good heat and overall chemical resistance; good impact strength; good solvent bonding to PVC; outstanding surface quality INEOS Styrolution Lustran® & Novodur® HD (ABS) Opaque appearance; outstanding chemical resistance; high impact strength; excellent balance of properties; ease of processability; bondable FR- Polycarbonate/ ABS (FR-PC/ABS) Covestro Bayblend® (FR-PC/ABS) Flame retardant; good impact resistance; dimensional stability; toughness Trinseo EMERGE™ (FR-PC/ABS) Ignition resistant; limited biocompatibility; high flow; easy processing; glass-filled also available RIGID COMPONENTS: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, Applications include: • Housings • Covers • Monitor bezels • Body panels • Handles • Access panels • Battery enclosures • Wands • Coils Rigid Component Solution Needs: • Materials compliant with ISO 10993 & USP Class VI, if required • UL approved resins to meet flammability requirements • Housings with toughness & good impact resistance • Enclosures & components that withstand repeated cleanings • High-flow materials for components with complex designs FLEXIBLE COMPONENTS: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, Applications include: • O-rings • Gaskets • Wheels • Soft touch grips/handles • Keypads/displays • Diaphragms • Seals Flexible Component Solution Needs: • Comfortable handles & grips • Water-tight seals • Durable feet or casters • Durable keypads • Flow control TPE, TPC-ET, TPU, TPV & Flexible PVC Thermoplastic Avient Versaflex™ HC Overmolding Series Proven healthcare solutions with hardness ranges 42–65 Shore A; autoclave, radiation and EtO sterilizable; bondable to many substrates; customizable haptics Arkema Pebax® MED Sterilizable by gamma and EtO; low energy return; soft touch; chemical resistance; overmolding material Thermoplastic Polyester DuPont™ Hytrel® Wide range of flexibility, stiffness, and processing options; Shore D between 30-82; BPA-free; excellent flex fatigue and toughness; low temperature flexibility; good chemical resistance Thermoplastic Polyurethane Covestro Texin® Biocompatible; soft touch; sterilizable; good chemical resistance; overmold for grips and handles; excellent bonding to polar substrates like PC; 70A to 95A Thermoplastic Vulcanizate Avient Versalloy™ Proven healthcare solutions with hardness ranges 45–90 Shore A; autoclave, radiation and EtO sterilizable; natural and colorable; smooth texture; bonds to PP Exxon Mobil Santoprene™ Durable sealing performance; elastic recovery; excellent chemical resistance; compliance with medical standards Flexible Polyvinyl Chloride GEON Performance Solutions Geon™ Flexible PVC Engineered exclusively for the healthcare market; transparent and opaque colors; radiopaque grades available; durometer ranges from 55A to 40D; gamma and EtO sterilizable Thermoset Silicone Elastomers Thermoset Silicone Elastomers/ Liquid Silicone Rubber (LSR) DuPont™ Liveo™ Silicone Elastomers (LSR) Biocompatible; non-irritating and non-sensitization; sterilizable; made without plasticizers, phthalates or latex PVC Polyvinyl Chloride GEON Performance Solutions Geon™ Flexible PVC Inherent flame resistance; halogen-free; excellent chemical resistance; non-yellowing; proven safety record in wire and cable applications; high temperature grades available TPE, TPC-ET, TPU & POE Thermoplastic Polyester Arkema Pebax® Flexibility; chemical resistance; easy processing; abrasion resistance; low coefficient of friction Thermoplastic Polyester Elastomers (TPC-ET) DuPont™ Hytrel® REACH, RoHS and WEEE compliant; wide range of flexibility, stiffness, and processing options; 30D-82D; BPA-free; excellent flex fatigue and toughness; low temperature flexibility; good chemical resistance Thermoplastic Polyurethane Covestro Texin® RoHs, WEEE, and REACH compliant; excellent memory and recoil; abrasion resistance; Texin® Rx Series - medical grade Polyether TPU – 70A to 80D Polyolefin Elastomer (POE) Avient ECCOH™ Non-halogenated flame retardant; high flexibility; environmental stress cracking resistance (ESCR); good electrical properties PA Polyamide (Nylon, PA) Arkema Rilsan® (PA) Chemical resistance; easy processing; abrasion resistance; low coefficient of friction; dimensional stability WIRE & CABLE: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, Applications include: • Plug molding • Flexible jacket • Heater cable insulation • Flexible cords • Coil cords & cable Wire & Cable Component Solution Needs: • Materials compliant with UL, RoHS, REACH & WEEE, if needed • Materials with good chemical, moisture & abrasion resistance • Low smoke & non-halogen materials CUSTOM AVIENT SOLUTIONS FOR MEDICAL EQUIPMENT Custom Solution Needs Avient™ Custom Solutions Specialized materials to meet unique application requirements Avient Trilliant™ Healthcare products are a line of customized solutions specific for regulated medical devices; color branding expertise FDA-registered pre-colored resins and masterbatch options; color coding for safety and brand recognition Avient collaborates with key material suppliers to provide FDA-approved pre-colored resins Avient OnColor™ HC Plus offers customizable color masterbatch solutions pre-certified for biocompatibility using ISO 10993 and USP Class VI test protocol Reduced growth of microbes Avient WithStand™ additive technologies inhibit growth of microbes that often cause odor, staining and loss of mechanical properties AVIENT DISTRIBUTION Healthcare Supplier Line Card You face a unique set of challenges when designing parts for the healthcare industry. At Avient Distribution, we’re prepared to help you: • Mitigate risk • Optimize design • Accelerate commercialization Contact us today to learn more about how we can help you overcome your toughest challenges.

RIGID COMPONENTS: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, & MONITORING EQUIPMENT (housings & covers, monitor bezels, body panels, handles, battery enclosures, access panels, wands, coils) Rigid Component Materials compliant with ISO 10993 & USP Class VI, if required UL approved resins to meet flammability requirements Housings with toughness & good impact resistance Enclosures & components that withstand repeated cleanings High-flow materials for components with complex designs Copolyester, Polyester & PC/Polyester Blends Copolyester Eastman Tritan™ (Copolyester) High chemical resistance to a wide variety of hospital disinfectants; excellent toughness and impact resistance after disinfection; retains color and gloss after sterilization and disinfection; does not contain BPA, BPS or halogens Polybutylene Terephthalate (PBT) DuPont™ Crastin® & Rynite® (FR- PBT) 30% glass reinforced; flame retardant; good mold flow and electrical properties; high strength, stiffness, dimensional stability and heat resistance Polyester (PC/PET) & Polybutylene Terephthalate (PC/PBT) Covestro Makroblend® (FR-PC/PET) & (FR-PC/PBT) Strength; toughness; chemical resistance; flame retardant Covestro Makroblend® (Non-FR PC/PBT) Strength; toughness; chemical resistance; limited biocompatibility Trinseo EMERGE™ (FR-PC/PET) Chemical resistance; ignition resistance; limited biocompatibility PA, PVC, PC & PMMA Polyamide (Nylon, PA) Avient Trilliant™ XR Radiation Shielding (PA) Radiation shielding; green alternative for lead replacement; enhanced design freedom vs. lead; available in hard and soft durometers Arkema Rilsan® MED (PA11) & Rilsamid® MED (PA12) Chemical resistance; transparent and opaque; easy processing; creep resistance; temperature resistance; BPA-free; sterilizable by gamma, EtO and steam Polyvinyl Chloride GEON Performance Solutions Resilience™ HC (PVC) Excellent chemical resistance; good strength and stiffness; very good surface quality; inherently flame resistant; available in all medical colors; excellent solvent bonding to PVC Polycarbonate (PC) Trinseo EMERGE™ (PC) Ignition resistant; transparent and opaque; glass-filled also available PolyMethyl Methacrylate (PMMA) Altuglas Plexiglas® Acrylics (PMMA) Clarity; easy processing; chemical resistance; BPA free; ideal for light piping and lenses Styrenics & FR-PC/ABS Blends Styrenics Trinseo MAGNUM™ (ABS) Opaque; custom colors; excellent impact and flow; low residuals; full biocompatibility INEOS Styrolution Terlux® HD (MABS) Good clarity; good heat and overall chemical resistance; good impact strength; good solvent bonding to PVC; outstanding surface quality INEOS Styrolution Lustran® & Novodur® HD (ABS) Opaque appearance; outstanding chemical resistance; high impact strength; excellent balance of properties; ease of processability; bondable FR- Polycarbonate/ ABS Covestro Bayblend® Flame retardant; good impact resistance; dimensional stability; toughness Trinseo EMERGE™ Ignition resistant; limited biocompatibility; high flow; easy processing; glass-filled also available Flexible Component Solution Needs: Comfortable handles & grips Water-tight seals Durable feet or casters Durable keypads Flow control TPE, TPC-ET, TPU, TPV & Flexible PVC Thermoplastic Avient Versaflex™ HC Overmolding Series Proven healthcare solutions with hardness ranges 42–65 Shore A; autoclave, radiation and EtO sterilizable; bondable to many substrates; customizable haptics Arkema Pebax® MED Sterilizable by gamma and EtO; low energy return; soft touch; chemical resistance; overmolding material Thermoplastic Polyester DuPont™ Hytrel® Wide range of flexibility, stiffness, and processing options; Shore D between 30-82; BPA-free; excellent flex fatigue and toughness; low temperature flexibility; good chemical resistance Thermoplastic Polyurethane Covestro Texin® Biocompatible; soft touch; sterilizable; good chemical resistance; overmold for grips and handles; excellent bonding to polar substrates like PC; 70A to 95A Thermoplastic Vulcanizate (TPV) Avient Versalloy™ (TPV) Proven healthcare solutions with hardness ranges 45–90 Shore A; autoclave, radiation and EtO sterilizable; natural and colorable; smooth texture; bonds to PP Exxon Mobil Santoprene™ (TPV) Durable sealing performance; elastic recovery; excellent chemical resistance; compliance with medical standards Flexible Polyvinyl Chloride GEON Performance Solutions Geon™ Flexible PVC Engineered exclusively for the healthcare market; transparent and opaque colors; radiopaque grades available; durometer ranges from 55A to 40D; gamma and EtO sterilizable Thermoset Silicone Elastomers Thermoset Silicone Elastomers/ Liquid Silicone Rubber DuPont™ Liveo™ Silicone Elastomers (LSR) Biocompatible; non-irritating and non-sensitization; sterilizable; made without plasticizers, phthalates or latex FLEXIBLE COMPONENTS: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, MONITORING EQUIPMENT (o-rings, gaskets, wheels, soft touch grips/handles, keypads/displays, diaphragms, seals) WIRE & CABLE: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, & MONITORING EQUIPMENT (plug molding, heater cable insulation, flexible jacket, flexible cords, coil cords & cable) Wire and Cable Component Solution Needs: Materials compliant with UL, RoHS, REACH & WEEE, if needed Materials with good chemical, moisture & abrasion resistance Low smoke & non- halogen materials PVC Polyvinyl Chloride GEON Performance Solutions Geon™ Flexible PVC Inherent flame resistance; halogen-free; excellent chemical resistance; non-yellowing; proven safety record in wire and cable applications; high temperature grades available TPE, TPC-ET, TPU & POE Thermoplastic Polyester Arkema Pebax® Flexibility; chemical resistance; easy processing; abrasion resistance; low coefficient of friction Thermoplastic Polyester Elastomers (TPC-ET) DuPont™ Hytrel® REACH, RoHS and WEEE compliant; wide range of flexibility, stiffness, and processing options; 30D-82D; BPA-free; excellent flex fatigue and toughness; low temperature flexibility; good chemical resistance Thermoplastic Polyurethane Covestro Texin® RoHs, WEEE, and REACH compliant; excellent memory and recoil; abrasion resistance; Texin® Rx Series - medical grade Polyether TPU – 70A to 80D Polyolefin Elastomer (POE) Avient ECCOH™ Non-halogenated flame retardant; high flexibility; environmental stress cracking resistance (ESCR); good electrical properties PA Polyamide (Nylon, PA) Arkema Rilsan® (PA) Chemical resistance; easy processing; abrasion resistance; low coefficient of friction; dimensional stability CUSTOM AVIENT SOLUTIONS FOR MEDICAL EQUIPMENT Custom Solution Needs Avient™ Custom Solutions Specialized materials to meet unique application requirements Avient Trilliant™ Healthcare products are a line of customized solutions specific for regulated medical devices; color branding expertise FDA-registered pre-colored resins and masterbatch options; color coding for safety and brand recognition Avient collaborates with key material suppliers to provide FDA-approved pre-colored resins Avient OnColor™ HC Plus offers customizable color masterbatch solutions pre-certified for biocompatibility using ISO 10993 and USP Class VI test protocol Reduced growth of microbes Avient WithStand™ additive technologies inhibit growth of microbes that often cause odor, staining and loss of mechanical properties AVIENT DISTRIBUTION Healthcare Supplier Line Card You face a unique set of challenges when designing parts for the healthcare industry. At Avient, we’re prepared to help you: • Mitigate risk • Optimize design • Accelerate commercialization Contact us today to learn how we can help you overcome the challenges you face.

Our report not only captures our commitments and performance but also clearly demonstrates how sustainability is an unquestionable growth driver for The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for adjusted earnings per share, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

LIMITATION OF LIABILITY Immediately upon Buyer's acceptance of the Products at the moment of their delivery or collection, Buyer shall indicate in writing on the official delivery or collection documents whether the Products are affected by any apparent damages or defects resulting from their shipment or transportation. SAFETY & HEALTH INDEMNITY Buyer acknowledges that Seller has furnished to Buyer Material Safety Data Sheets as required under applicable laws and regulations, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. In the event that a provision of these Terms and Conditions is ruled invalid or inapplicable, this shall not affect the validity of the remaining provisions. 17.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: the time required to consummate the acquisition of the Dyneema business; the satisfaction or waiver of conditions in the purchase agreement; completion of the consultation process with the relevant Dutch works council; the ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the proposed acquisition of the Dyneema business; our ability to achieve the strategic and other objectives relating to the proposed acquisition of the Dyneema business and possible sale of the distribution business; 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. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for adjusted EBITDA, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort.

Important information about the health, safety and environmental impacts of Avient products.

Important information about the health, safety and environmental impacts of Avient products.

Important information about the health, safety and environmental impacts of Avient products.