Now the benefits of thermoplastic materials are available also for the applications traditionally produced from ceramics or thermoset plastic materials. • Part weight reduction • Low loss tangent • RoHS & REACH compliant solution • Halogen- and heavy metal-free solution • Recyclable Copyright © 2022, Avient Corporation.

Traditionally, Carbon fiber tows were used in thermoset composite applications but are being incorporated into thermoplastics more and more.

2http://www.aerosil.com/product/aerosil/en/industries/plastics-thermoplastics/pages/default.aspx   Long- and short- can be used in thermoplastic compounds for lightweight, high-end reinforcement. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl-t-long-fiber-reinforced-structural-thermoplastics

With PREPERM™ thermoplastics, you can easily produce complex and large high-precision parts that have tight tolerances in material characteristics​. • Low dielectric losses enable accurate imaging​​ • Good temperature resistance and minimal water absorption • Non-brittle material and chipping resistance • Batch-to batch-stability​ • Allows large size and complex designs​ • Size reduction of components, thanks to ​high Dk PREPERM materials are a perfect fit in imaging lenses or as a radome (protecting cover) or as a combination of these two.

LIQUID METERING SYSTEMS Specifically designed for thermoplastic processes PlanetPak connected to a Transfer pump feeding the Plastic reservoir feeding a Metering pump controlled by a CMG controller LIQUID METERING SYSTEMS SYSTEM DESCRIPTION FlexCart™ metering units & PlanetPak™ containers form the main equipment components of Avient’s proprietary liquid metering systems designed to optimise delivery of Avient liquid colors and additives in the thermoplastic processing industry.

Artisan™ AR7300 PRE-COLORED FORMULATIONS PROCESSING GUIDE Artisan™ Pre-Colored Thermoplastics Artisan™ AR7300 pre-colored thermoplastics are customized ABS formulations to help manufacturers achieve brilliant and high-gloss metallic effect, excellent chemical resistance, and scratch resistance.

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.

Avient Corporation 1 JEFFERIES VIRTUAL INDUSTRIALS CONFERENCE A U G U S T 2 0 2 0 Avient Corporation 2 FORWARD LOOKING STATEMENTS • • • • • • • • • • • • • • • • • • • • Avient Corporation 3 USE OF NON-GAAP MEASURES • • • Avient Corporation 4 UPDATE ON THE COVID-19 PANDEMIC • • • • Avient Corporation 5 2019 Transportation Consumer Discretionary Healthcare Packaging All Other Industries Cost Containment FX 2020 $64.3 18% 18% 9% 6% 16% 2% $46.9 20% • • • • • • SECOND QUARTER 2020 IN REVIEW Consumer Discretionary Avient Corporation 6 CLARIANT MASTERBATCH STRATEGIC RATIONALE Avient Corporation 7 FIT W I T H FOUR PILLAR S T R A T E G Y Specialization • • • Globalization • • Operational Excellence • • • Commercial Excellence • • People Avient Corporation 8 5% 2006 2019E PF* 4% 12% 10% 18% 8% 20% 2006 2019E PF* Healthcare Consumer Packaging 38% * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business Percentage of Total Revenue E N D M A R K E T T R A N S F O R M A T I O N Building & Construction High Growth End Markets 50% 22% Avient Corporation 9 Wire & Cable 11% Industrial 10% Electrical & Electronic 7% Healthcare 4% Packaging 8% Consumer 10% Transportation 12% Building & Construction 38% Healthcare 12% Packaging 20% Consumer 18%Transportation 12% Building & Constrution 5% Wire & Cable 9% Industrial 11% Electrial & Electronic 4% Appliance 2% Textiles 7% 2006 Pro Forma(1) Net Sales by End Market E N D M A R K E T T R A N S F O R M A T I O N Avient Corporation 10 U N I F I E D F O C U S O N S U S T A I N A B I L I T Y 2006 - 2013 2013 – 2019 PEOPLE PROD UC TS PLANET PER FOR M A NC E •• •• •• Avient Corporation 11 O V E R 8 5 % O F A D J U S T E D E B I T D A F R O M S P E C I A L T Y 46% 66% 0% 20% 40% 60% 80% 100% 2005 2010 2015 Pro Forma % o f A d ju s te d E B IT D A ( 1) JVs Performance Products & Solutions Distribution Specialty 7% 87% (2) Avient Corporation 12 T H E N E W A V I E N T : A S P E C I A L T Y G R O W T H C O M P A N Y     Transaction expected to add $0.85 to pro forma adjusted EPS Avient Corporation 13 SUSTAINABILITY AT AVIENT P E O P L E , P R O D U C T S , P L A N E T , P E R F O R M A N C E Avient Corporation 13 Avient Corporation 14 V I S I O N To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and sustainable solutions Avient Corporation 15 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 0.56 0.14 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 YTD S A F E T Y F I R S T Injuries per 100 Workers Spartech Acquisition Avient Corporation 16 G R E A T P L A C E T O W O R K Avient Corporation 17 C O M M O D I T Y T O S P E C I A L T Y T R A N S F O R M A T I O N • • • • • • • • • • • • 2006 - 2013 2013 – 20192000-2005 2006 - 2013 • • 2020 and Beyond Avient Corporation 18 A V I E N T 2 0 1 9 R E V E N U E | $ 2 . 9 B I L L I O N Segment End Market Geography Healthcare 15% Industrial 14% Consumer 14% Packaging 13% Transportation 13% Wire & Cable 11% Building & Construction 6% Electrical & Electronics 6% Textiles 5% Appliance 3% Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Europe 19% Asia 11% Latin America 11% Canada 5% Avient Corporation 19 Operating Income % of Sales 2006 2019 Color, Additives & Inks 1.7% 14.7% Specialty Engineered Materials 1.1% 11.6% Distribution 2.6% 6.3% 2009 2010 2011 2012 2013 2014 2015 2016*2017* 2018 $2.43 P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S 10 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 A D J U S T E D E P S E X P A N S I O N 2018 2019 $1.69 $1.51 Avient Corporation 20 531 710 1,032 130 164 207 504 663 871 2014 2018 Pro Forma R&D / Technical Marketing Sales + 34% + 26% + 32% E X P A N S I O N O F COMMERCIAL RESOURCES D R I V I N G G R O W T H Revenue in Billions Total + 10% Organic + 7%+ 45% + 26% + 31% $4.0 $3.2 (2) (1) (1) $2.9 $2.9 $3.5 2015 2016 2017 2018 Pro Forma Total + 9% Organic + 5% Pro Forma(2) Avient Corporation 21 P R I O R A C Q U I S I T I O N S H I S T O R Y Commercial Resources(1) Operating Income ($ in millions) Operating Margins 256 350 At Acquisition 2019 $36 $100 At Acquisition 2019 9% 19% At Acquisition 2019 Established Acquisitions (> 7 years) + 37% + 176% + 1000 bps Avient Corporation 22 A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection Avient Corporation 23 I N N O V A T I O N Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend Vitality Index 12% 37% 2006 2019 $20 $51 2006 2019 Avient Corporation 24 R E V E N U E F R O M S U S T A I N A B L E S O L U T I O N S $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth Avient Corporation 25 SEGMENT HIGHLIGHTS I N N O V A T I N G W I T H A V I E N T Avient Corporation 25 Avient Corporation 26 C O L O R , A D D I T I V E S & I N K S E N D M A R K E T S & S O L U T I O N S Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants Packaging 31% Industrial 14% Textiles 13% Wire & Cable 10% Building & Construction 9% Consumer 8% Transportation 7% Healthcare 5% Appliances 2% Electrical & Electronics 1% Avient Corporation 26 Avient Corporation 27 Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 9 R E V E N U E | O V E R $ 1 B I L L I O N Europe 34% United States 44% Asia 15% Canada 1% Mexico 3% South America 3% $4 $25 $104 $147 2005 2009 2013 2019 0.9% 5.5% 12.2% 14.7% Avient Corporation 27 Avient Corporation 28 S P E C I A L T Y E N G I N E E R E D M A T E R I A L S E N D M A R K E T S & S O L U T I O N S Engineered Formulations Advanced Composites Thermoplastic Elastomers Wire & Cable* 28% Consumer 19% Electrical & Electronics 12% Healthcare 9% Industrial 8% Packaging 6% Appliance 2% Building & Construction 2% Transportation 14% Avient Corporation 28 Avient Corporation 29 S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 9 R E V E N U E | $ 7 5 0 M I L L I O N Europe 27% United States 54% Asia 17% Canada 2% $21 $57 $87 2005 2009 2013 2019 0.1% 5.1% 9.3% 11.6% Avient Corporation 29 Avient Corporation 30 D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S Healthcare 28% Industrial 19% Transportation 18% Consumer 17% Appliance 6% Electrical & Electronics 5% Building & Construction 4% Packaging 2% Wire & Cable 1% Operating Income & Margin2019 Revenue | $1.2 Billion $25 $63 $75 2005 2009 2013 2019 $20 2.9% 4.0% 5.9% 6.3% Avient Corporation 30 http://www.polyone.com/Pages/VariationRoot.aspx Avient Corporation 31 O V E R V I E W O F R A W M A T E R I A L P U R C H A S E S Avient Corporation 31 Avient Corporation 32 Avient Corporation 33 Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders Joint venture equity earnings, after tax Special items, before tax (1) Special items, tax adjustments (1) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 (19.0) (14.7) (3.7) — — — — — — — — — — — (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S).

Mink served as Business President of Elastomers, Electrical and Telecommunications at the Dow Chemical Company (“Dow”), a specialty chemicals provider, from 2012 to 2015.

NYLON SOLUTIONS ENGINEERED THERMOPLASTICS PRODUCT SELECTION GUIDE Nylon (polyamide - PA) solutions from Avient include both prime Nymax™/Bergamid™ Polymer Formulations and Nymax™ REC Recycled Nylon Formulations.