BASE RESIN ABS Drying Temperature 80–90°C Drying Time 2–3 Hours Barrel Temperatures °C Rear Zone 180–210 Center Zone 190–220 Front Zone 200–230 Nozzle 210–240 Mold Temperature 50–80 Screw Speed Moderate Back Pressure 3–10 bar Cushion 5–15 mm Injection Speed Low to medium Injection Pressure Moderate to high Holding Pressure 10–30% of injection pressure Screw Type General purpose Screw L/D 20:1 Screw Compression Ratio 2.0:1–2.5:1 Non-return Check Valve Free flow check ring Nozzle Type Reverse taper Barrel Capacity 30–80% of barrel should be used STARTUP & SHUTDOWN RECOMMENDATIONS Purge Compound 2–3 melt flow PP or purging compound.

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 Polycarbonate/ Polyester (PC/PET) & Polycarbonate/ 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 (PVC) 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, & MONITORING EQUIPMENT 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, & MONITORING EQUIPMENT 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 Elastomers (TPE) Avient Versaflex™ HC Overmolding Series (TPE) Proven healthcare solutions with hardness ranges 42–65 Shore A; autoclave, radiation and EtO sterilizable; bondable to many substrates; customizable haptics Arkema Pebax® MED (TPE) Sterilizable by gamma and EtO; low energy return; soft touch; chemical resistance; overmolding material Thermoplastic Polyester Elastomers (TPC-ET) DuPont™ Hytrel® (TPC-ET) 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 (TPU) Covestro Texin® (TPU) 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 (PVC) 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 (PVC) 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 (TPE) Arkema Pebax® (TPE) Flexibility; chemical resistance; easy processing; abrasion resistance; low coefficient of friction Thermoplastic Polyester Elastomers (TPC-ET) DuPont™ Hytrel® (TPC-ET) 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 (TPU) Covestro Texin® (TPU) 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, & MONITORING EQUIPMENT 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.

RIGID COMPONENTS: DIAGNOSTIC, IMAGING, LIFE SUPPORT, LABORATORY, & MONITORING EQUIPMENT (housings & covers, monitor bezels, body panels, handles, battery enclosures, access panels, 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 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 Polycarbonate/ Polyester (PC/PET) & Polycarbonate/ 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 (PVC) 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 (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 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 Elastomers (TPE) Avient Versaflex™ HC Overmolding Series (TPE) Proven healthcare solutions with hardness ranges 42–65 Shore A; autoclave, radiation and EtO sterilizable; bondable to many substrates; customizable haptics Arkema Pebax® MED (TPE) Sterilizable by gamma and EtO; low energy return; soft touch; chemical resistance; overmolding material Thermoplastic Polyester Elastomers (TPC-ET) DuPont™ Hytrel® (TPC-ET) 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 (TPU) Covestro Texin® (TPU) 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 (PVC) 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 (PVC) 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 (TPE) Arkema Pebax® (TPE) Flexibility; chemical resistance; easy processing; abrasion resistance; low coefficient of friction Thermoplastic Polyester Elastomers (TPC-ET) DuPont™ Hytrel® (TPC-ET) 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 (TPU) Covestro Texin® (TPU) 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.

Recycled Content & Recyclability We offer color concentrates that use post-consumer recycled (PCR) polypropylene (PP) and polystyrene (PS) as carrier resin.

Parameters NM5600-8002 RS NM5600-8004 RS Drying Temperature 100–120°C 100–130°C Drying Time 4–6 hours 4–6 hours Barrel Temperature °C °C Rear Zone 250–270 260–270 Central Zone 260–280 270–290 Front Zone 270–295 290–305 Nozzle 290–300 290–300 Mold Temperature 80–100 80–100 Screw Speed Moderate Moderate Back Pressure 3–10bar 3–10bar Cushion stroke 5–10% of plasticizing stroke 5–10% plasticizing of stroke Injection Speed Medium Medium Injection Pressure Medium–high Medium–high Holding Pressure 30–50% of injection pressure 20–40% of injection pressure Screw Type General purpose General purpose Screw L/D 20:1 20:1 Screw Compression Ratio 2.5:1 2.5:1 Non-return Check Valve Free flow check ring Free flow check ring Nozzle Type Reverse taper Reverse taper Barrel Capacity 30–80% of barrel should be used Processing Guide 2 Start Up & Shut Down Recommendations Purge Compound 1. 2–3 melt flow PP or purging compound.

Injection Molding Parameters Base Resin PPA PPS PA 6/6 PA 12 Barrel Temperatures °F (°C)* Rear Zone 550–580 (288–305) 550–580 (288–305) 440–490 (227–254) 440–480 (227–250) Center Zone 560–600 (293–316) 560–615 (293–324) 470–510 (243–266) 460–510 (238–266) Front Zone 580–620 (304–327) 590–630 (310–333) 490–540 (254–282) 480–520 (250–271) Nozzle 575–615 (302 –324) 600–625 (316–330) 520–570 (271–300) 500–530 (260–277) Melt Temperature °F (°C) 575–615 (302–324) 600–625 (316–330) 520–570 (271–300) 500–530 (260–277) Mold Temperature °F (°C) 250–300 (121–150) 250–300 (121–150) 150–200 (66–93) 150–200 (66–93) Pack and Hold Pressure 50–80% of Injection Pressure Injection Velocity 1.0–3.0 in/sec Back Pressure 25–100 psi Screw Speed 25–75 rpm Drying Parameters °F (°C) 6 hours @ 175 (80) 6 hours @ 300 (150) 3 hours @ 180 (82) 3 hours @ 180 (82) Cushion 0.125–0.250 in Screw Compression Ratio 2.5:1–3.5:1 2.0:1–2.5:1 2.5:1–3.5:1 2.5:1–3.5:1 Nozzle Type General Purpose General Purpose Reverse Taper Reverse Taper Clamp Pressure 4–5 tons/in2 of projected area of cavities and runner system * Barrel temperatures should be elevated for compounds designed for electrical insulative properties.

LUBRIONE™ INTERNALLY LUBRICATED FORMULATIONS PRODUCT SELECTION GUIDE PRODUCT DESCRIPTION UNITS TEST METHOD NN–000/15T BLACK NN–20GF– 10GB/13T–2S BLACK NN–30GF/10T WHITE LB8900-0001 30GF/15T NATURAL LB8900-0002 30GF/13T-2S NATURAL LB8900-0003 18T-2S NATURAL ATT–000/5T BLACK AT–000/18T– 2S NATURAL 5209 FPL 20 NATURAL PS–30GF/2S NATURAL LB5210–0237 1B NATURAL PC–10CF/15T BLACK Base Polymer PA 66 PA 66 PA 66 PK PK PK POM POM POM PBT PP PC General Properties Specific Gravity g/cm3 ASTM D792 1.23 1.46 1.47 1.56 1.55 1.33 1.38 1.47 1.51 1.54 1.13 1.31 Molding Shrinkage ASTM D955 Flow % 1.0–2.0 0.20–0.50 0.50–1.0 0.30–0.60 0.20–0.40 1.7–2.3 1.5–2.0 2.0–3.0 2.0–3.0 0.20–0.40 0.10–0.30 0.10–0.30 Water Absoprtion (23°C, 24 hr.) % ASTM D570 0.8 – 0.050–1.0 0.3 0.4 0.4 0.050 – 0.050 – – – Mechanical Properties Tensile Modulus(1) MPa ASTM D638 2650 9650 9790 8050 7380 1250 965 1770 2420 8620 4140 – Tensile Strength(1) (Yield) MPa ASTM D638 61.4 119 122 119 94 47 35 40 45 108 72.4 90 Tensile Elongation(1) (Break) % ASTM D638 3.0–5.0 1.0–3.0 1.5 3 2 35 40 30 26 3 – – Flexural Modulus MPa ASTM D790 2760 6890 6890 7380 6410 1300 1080 1740 1790 6690 4840 5500 Flexural Strength MPa ASTM D790 108 172 214 182 167 55 41.4 62.7 68.3 165 110 130 Coefficient of Friction ASTM D1894 vs.

Investor Day 2021 Shaping a Sustainable Future Bob Patterson Avient Corporation 4 End Market Transformation 5 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Transportation 14% Industrial 15% Energy 4% Telecom. 2% 2006 2021E Healthcare 14% Consumer 23% Building & Construction 10% Transportation 12% Industrial 16% Energy 2% Telecom. 4% Packaging 19% Avient Corporation Avient: Who We Are 39 22 9 34 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 8,600+ employees 100+ manufacturing plants Key Financial Data 2021E Sales $4.75 billion 2021E EBITDA $580 million 2021E EPS $3.00 87% of EBITDA from specialty applications >70% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales Avient Corporation 6 46% 66% 87% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2021E % o f A d ju st ed E B IT D A (1 ) JVs Performance Products & Solutions Distribution Specialty 7% (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) 2021 includes full synergies from Clariant color acquisition (2) Specialty Transformation Avient Corporation 7 CAI (1) Financial information is pro forma to include a full year of Clariant Color business acquisition 2.7% 15.2% 17.0% 2006 2019 2021E 1.8% 15.2% 17.6% 2006 2019 2021E (1) SEM • Continued portfolio transformation to high-growth end markets and sustainable solutions • Clariant synergy realization • Investments in composites and outdoor high performance applications drive growth and mix improvements Specialty EBITDA Margin Expansion Avient Corporation 8 (1) (1) We are a Formulator CUSTOM FORMULATION Avient Corporation 9 Sustainability for a Better Tomorrow *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 Revenue From Sustainable Solutions* 2016-2021 2016 2017 2018 2019 2020PF** 2021E $405M $455M $340M $550M $790M $930M $270 215 170 90 90 30 45 20 $930M2021E Sales ($ in millions) Avient Corporation 10 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 $2.43 $1.51 $1.69 $1.93 $3.00 2009 2010 2011 2012 2013 2014 2015 2016* 2017* 2018 20182 2019 2020 2021E Pro Forma for sale of PP&S (1): Pro Forma for sale of DSS (2): Pro Forma for full year of the Clariant Color acquisition 2018(1) (1) (2) Adjusted EPS Growth Avient Corporation 11 $133 $205 2019PF 2021E Clariant Color: Transformational Acquisition 12 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.0x 2019PF 2021E 2021E w/ Full Synergies • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • On-track to realize $52 million of expected synergies in 2021 • Acquisition completed on July 1, 2020 for $1.45 billion. D is t. ) K W R P P G A V Y F U L R P M G C P F M C H X L H U N E C L E M N C E A S H S C L Source: Peer data per Bloomberg market data as of December 2, 2021 Avient reflects 2021 estimated revenue of $4,750M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) 129Avient Corporation 474 644 1,002 107 147 216 467 616 872 2014 2018 2021E R&D / Technical Marketing Sales Commercial Resources Headcount figures all Pro Forma for sale of Designed Structures and Solutions (DSS) and Performance Products and Solutions (PP&S) segments. 2021E data as of October 31, 2021. D is tr ib u tio n A V N T 2021 Expansion Goals With the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets.

 A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com. 4 POLYONE CORPORATION About PolyOne Reach 7,000 associates | 77 facilities | $3.4 B 2015 revenue Global Presence 10,000 global customers | Americas, Europe, Africa, Asia | Global sales, technical and manufacturing footprint Solutions 35,000+ polymer solutions | 12 innovation centers | Support for design through manufacturing 5 POLYONE CORPORATION What We Do Value Formulation Expertise Inputs Base resins Additives Modifiers Pigments Expertise in Polymer Materials, Services and Solutions OEMs Brand Owners Processers Assemblers Driving customer value with specialty products & services Service InVisiOSM Color Services IQ Design Labs LSS Customer First POLYONE CORPORATION 6 CAI 23% SEM 15% DSS 13% POD 29% PPS 20% 2015 Revenue: $3.4 Billion At a Glance United States 66% Europe 13% Canada 7% Asia 7% Latin America 7% $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2015 Revenue: $3.4 Billion 2015 Operating Income: $322 Million CAI 38% SEM 23% DSS 4% POD 19% PPS 16% Adjusted Earnings Per Share 7 POLYONE CORPORATION Old PolyOne *Operating Income excludes corporate charges and special items 2% 43% 65% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $87M $229M Transformation 2020 Platinum Vision Platinum Vision Mix Shift Highlights Specialty Transformation POLYONE CORPORATION 8 -$0.10 $0.00 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 $0.70 2009 2010 2011 2012 2013 2014 2015 2016 Adjusted Earnings Per Share $0.56 3Q -2% 0% 2% 4% 6% 8% 10% 12% 2009 2010 2011 2012 2013 2014 2015 2016 Adjusted Consolidated Operating Margin 2.8% 5.2% 5.6% 6.7% 8.3% 6.9% 9.5% 9.9% 3Q 28 Consecutive Quarters of EPS Growth 9 POLYONE CORPORATION 2006 2016 YTD 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % of Sales Specialty: Color, Additives & Inks 1.7% 17.0% 20%+ Specialty Engineered Materials 1.1% 15.2% 20%+ Designed Structures & Solutions N/A 0.6% (TTM) 8 – 10% Performance Products & Solutions 5.5% 11.6% 12 – 14% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 60% 80%+ 3) ROIC* 5.0% 11.6% 15% 4) Adjusted EPS Growth N/A 11.5% Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period POLYONE CORPORATION 10 2,883 2,414 2006 2015 Volume (lbs in millions) -16% $103 $192 2006 2015 Commercial, R&D and Marketing Spending ($M) +86% $88 $322 2006 2015 Adjusted Operating Profit ($M) +266% Ours is Not a Cost Cutting Story 11 POLYONE CORPORATION Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $20 $53 2006 2015 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 34% 2006 2015 CAI & SEM Gross Margin 12% 43% 2006 2015 Target ≥ 35% Innovation Pipeline Potential 12 POLYONE CORPORATION Globalization Specialization Commercial Excellence Operational Excellence Growth in urbanization Changing demographics Climate and resource challenges Increase of individual power Evolution and expansion of healthcare Strategic Growth Opportunities Four Pillar Strategy Global Megatrends Attractive Revenue & Margin Growth Opportunities 13 POLYONE CORPORATION Primary Industries Served 2015 Revenue: $3.4 Billion Electrical & Electronic 5% Building & Construction 12% Appliance 4% Industrial 14% Wire & Cable 9% Healthcare 11% Consumer 10% Packaging 13% Transportation 20% Focus End Markets 14 POLYONE CORPORATION Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 14 Film Target End Markets… Healthcare 15 POLYONE CORPORATION Sound & Vibration Management Fuel Handling Systems Interior & Exterior Trim Structural Braces & Brackets Interior Structural Components Lighting Air management Electronics & Cameras Fluid Handling Target End Markets… Automotive Underhood Components Roof Systems 16 POLYONE CORPORATION PreservaPak™ OnColor™ Smart Batch™ VersaFlex™ TPE Cap Liner ColorMatrix™ Amosorb™ Oxygen Scavenger ColorMatrix™ Ultimate™ UV Light Barrier OnCap™ Laser Marking Additives Target End Markets… Packaging 17 POLYONE CORPORATION Source: Outdoor Industry Association TPE Vibration Dampening (SEM/GLS) TPE + OnForce (SEM) OnForce (SEM) Advanced Composites (SEM) TPE Vibration Dampening (SEM/GLS) Target End Markets… Outdoor High Performance Thermoplastic Elastomers (SEM) Advanced Composites (SEM) Polymer Colorants (CAI) Sheet (DSS) TPE & Film (SEM + DSS) Advanced Composites (SEM) Polymer Colorants (CAI) Thermatech (SEM) Thermoplastic Elastomers (SEM) TPE + OnForce (SEM) OnForce (SEM) 18 POLYONE CORPORATION Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased 318,000 shares in Q3 2016  Repurchased 17.6 million shares since early 2013  9.7 million shares are available for repurchase under the current authorization  Increased annual dividend by 12.5% to $0.54 per share, representing the sixth consecutive year of dividend growth 19 POLYONE CORPORATION Returning Cash to Shareholders $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 2011 2012 2013 2014 2015 2016 2017 Annual Dividend  Since 2011, we have returned nearly $800 million to shareholders  $130 million returned through dividends  $650 million returned through share repurchases $650M $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 Q3'16 Cumulative Share Repurchases (in millions) POLYONE CORPORATION 20 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2015 2016 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.96 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence Associates PolyOne Corporation Page 6 26 Consecutive Quarters of EPS Growth PolyOne Corporation Page 7 2015 Revenues: $3.4 Billion End Markets 2015 Revenues: $3.4 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Adjusted EPS United States 66% Europe 13% Canada 7% Asia 7% Latin America 7% Appliances 4% Building & Construction 12% Consumer 10%Electrical & Electronics 5% Healthcare 11% Industrial 14% Packaging 13% Textiles 2% Transportation 20% Wire & Cable 9% $1.96 Distribution 29% PP&S 20% CAI 23% SEM 15%DSS 13% PolyOne Corporation Page 8 Old PolyOne *Operating Income excludes corporate charges and special items 2% 43% 65% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $87M $229M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 9 Color and Engineered Materials at the Heart of Specialty Transformation OPERATING MARGIN 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 17.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1Q'16 2020 Platinum Vision COLOR, ADDITIVES AND INKS 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 16.6% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1Q'16 2020 Platinum Vision SPECIALTY ENGINEERED MATERIALS PolyOne Corporation Page 10 2006 1Q 2016 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Color, Additives & Inks 1.7% 17.0% 20%+ Specialty Engineered Materials 1.1% 16.6% 20%+ Designed Structures & Solutions N/A 2.5% (TTM) 8 – 10% Performance Products & Solutions 5.5% 11.9% 12 – 14% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 61% 80%+ 3) ROIC* 5.0% 12.0% 15% 4) Adjusted EPS Growth N/A 22% Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 11 Therma-Tech™ & Sheet GEON™ Vinyl Polymer ColorantsTherma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 11 Film Target End Markets… Healthcare PolyOne Corporation Page 12 TPE + OnForce (SEM) OnForce (SEM) Glasforms (SEM) TPE Vibration Dampening (SEM/GLS) TPE & Film (SEM + DSS) Glasforms (SEM) Polymer Colorants (CAI) Thermatech (SEM) Thermoplastic Elastomers (SEM) TPE + OnForce (SEM) OnForce (SEM) Thermoplastic Elastomers (SEM) Glasforms (SEM) Polymer Colorants (CAI) Sheet (DSS) Source: Outdoor Industry Association Target End Markets… Outdoor High Performance PolyOne Corporation Page 13 Sound & Vibration Management Fuel Handling Systems Interior & Exterior Trim Structural Braces & Brackets Interior Structural Components Lighting Air management Electronics & Cameras Fluid Handling Target End Markets… Automotive Underhood Components Roof Systems PolyOne Corporation Page 14 Target End Markets… Packaging PreservaPak™ OnColor™ Smart Batch™ VersaFlex™ TPE Cap Liner ColorMatrix™ Amosorb™ Oxygen Scavenger ColorMatrix™ Ultimate™ UV Light Barrier OnCap™ Laser Marking Additives PolyOne Corporation Page 15 Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $20 $53 2006 2015 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 34% 2006 2015 CAI & SEM Gross Margin 12% 43% 2006 2015 Target ≥ 35% Innovation Pipeline Potential PolyOne Corporation Page 16 2,883 2,414 2006 2015 Volume (lbs in millions) -16% $103 $192 2006 2015 Commercial, R&D and Marketing Spending ($M) +86% $303 $721 2006 2015 Adjusted Gross Profit ($M) +138% Ours is Not a Cost Cutting Story PolyOne Corporation Page 17 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 18 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers  Providing training in Customer Centric Selling Skills with customers World’s Best Business Process Excellence Program in 2012* World’s Best Start-up program for Lean Six Sigma Deployment in 2009* 81% 93% 2006 2015 16.2% 9.7% 2006 2015 On-Time Delivery Working Capital % of Sales  52% of associates trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry Commitment to Operational Excellence PolyOne Corporation Page 19 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 1Q 2016 Pension Funding** As of March 31, 2016 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA*= 2.5x ** includes US-qualified pension plans only*TTM 3/31/2016 $550 $600 $200 $300 $400 $500 $600 $700 $800 2022 2023 Debt Maturities As of March 31, 2016 ($ millions) Coupon Rate: 3.750% 5.250% PolyOne Corporation Page 20 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased 1.5 million shares in Q1 2016  Repurchased 17.3 million shares since early 2013  10.0 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 21 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 22 Appendix PolyOne Corporation Page 23 $0.24 $0.31 $0.44 $0.46 $0.56 $0.00 $0.25 $0.50 $0.75 1Q'12 1Q'13 1Q'14 1Q'15 1Q'16 Adjusted EPS 1Q 2016 Financial Highlights  Performance Products & Solutions operating margin grew 540 basis points year-over-year to 11.9%  Distribution operating margin expanded 60 basis points to a record first quarter level of 6.5%  First quarter adjusted EPS has grown on average 24% per year since 2012 $11 $20 $0 $5 $10 $15 $20 $25 1Q'15 1Q'16 PP&S Operating Profit $16 $18 $10 $12 $14 $16 $18 $20 1Q'15 1Q'16 POD Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 24 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 16.7% 17.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1Q'16 2020 Operating Income % of Sales At a Glance Color, Additives and Inks 2015 Revenues: $0.8 Billion Solutions Expanding Profits2015 Revenue by Industry Segment 14.7% Platinum Vision United States 48% Europe 33% Canada 2% Asia 12% Latin America 5% Appliances 2% Building & Construction 11% Consumer 8% Electrical & Electronics 1% Healthcare 6% Industrial 13% Packaging 31% Textiles 8% Transportation 9% Wire & Cable 11% PolyOne Corporation Page 25 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 14.7% 16.6% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1Q'16 2020 Operating Income % of Sales At a Glance Specialty Engineered Materials 2015 Revenues: $0.5 Billion Solutions 2015 Revenue by Industry Segment Expanding Profits Platinum Vision 12.1% United States 49% Europe 29% Canada 2% Asia 20% Appliances 3% Building & Construction 3% Consumer 20% Electrical & Electronics 16% Healthcare 11% Industrial 8% Packaging 5% Transportation 19% Wire & Cable 15% PolyOne Corporation Page 26 1.4% 5.6% 7.3% 3.0% 8-10% 0.4% 2012 2013 2014 2015 1Q'16 2020 Operating Income % of Sales At a Glance Designed Structures and Solutions Solutions2015 Revenues: $0.5 Billion Expanding Profits2015 Revenue by Industry Segment Platinum Vision Appliances, 3% Building & Construction 9% Consumer 5% Healthcare 7% Industrial 24% Packaging 19% Transportation 33% United States 97% Canada 3% PolyOne Corporation Page 27 Appliances 7% Building & Construction 31% Consumer 5% Electrical & Electronics 3% Healthcare 1% Industrial 13% Packaging 5% Transportation 19% Wire & Cable 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.3% 12-14% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1Q'16 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2015 Revenues: $0.7 Billion 11.9% Platinum Vision 2015 Revenue by Industry Segment 7.7% United States 79% Canada 14% Asia 2% Latin America 5% PolyOne Corporation Page 28 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5-7.5% 6.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1Q'16 2020 Operating Income % of Sales 15% 54% 2006 1Q 2016 At a Glance Distribution Key Suppliers2015 Revenues: $1.0 Billion ROIC Expanding Profits 6.1% Platinum Vision Appliances 6% Building & Construction 4%Consumer 13% Electrical & Electronics 6% Healthcare 23% Industrial 16% Packaging 4% Transportation 24% Wire & Cable 4% http://www.polyone.com/Pages/VariationRoot.aspx http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 29 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 30 Application Examples PolyOne Corporation Page 31 Outdoor Applications • Leading provider of high performance specialty materials for the recreational and sports & leisure industry • Well positioned across all segments to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance Source: Outdoor Industry Association PolyOne Corporation Page 32  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 33 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 34 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 35 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Range Rover Evoque Interior PolyOne Corporation Page 36 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 37 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior sensory properties PolyOne Corporation Page 38 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc. 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.