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 – 2014 2015 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 • 19 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia Latin America Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.

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 – 2014 2015 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 • 20 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 adjusted EPS by 2015, three times the EPS generated in 2011 of $0.82 • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia Latin America Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $191M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.

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 – 2014 2015 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 • 19 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia Latin America Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.

Foaming Agents Remafin™ Fiber Colorants for PP Foaming Prediction Service

Copyright © . 2024 23 Diverse technology portfolio Commercial excellence, financial rigor & prudence Culture of safety and sustainability FOUNDATIONAL STRENGTHS Unwavering customer focus Global reach with a local touch Innovation Digital for Operational Excellence and Growth Leadership, talent STRATEGIC DRIVERS OUR PURPOSE Innovator of materials solutions to help our customers succeed, while enabling a sustainable world STRATEGIC APPROACH Intersecting high growth markets and secular trends with our technologies to create product platforms of scale Catalyze the core Build new platforms of scale GROWING AT GDP+ GROWING AT 10% PLUS CAGR Copyright © . 2024 24 Redesigning organizations & compensation to drive strategy Compensation • Designed a new compensation plan directly to our strategy execution Colors, and Inks Specialty R&D Research and Development New business development & marketing excellence • New SVP hired • Reorganized under a single global leadership eliminated structure and complexity “play to win” focused organizations for growth vectors up front • New CTO hired Copyright © . 2024 25 Strong and committed team leading the change Leslie Sequeira Chief Information Officer SVP and Chief Financial Officer Joel Rathbun SVP Mergers & Acquisitions SVP and President Color, Additives and Inks SVP and President Specialty Engineered Amy Sanders SVP, General Counsel and Secretary Kyle Rose VP, Corporate Communications John Midea SVP, Global Ops and Process Improvement Kristen Gajewski SVP and Chief Human Resources Officer ALSO HERE TODAY Phil Clark SVP and Chief Technology Officer ALSO HERE TODAY Mike Irwin SVP, New Business Development and Marketing Excellence Color, Additives and Inks SEGMENT STRATEGIC REVIEW Copyright © . 2024 28 Solutions provider of customized color and functionality to enhance and improve polymers Color, Additives and Inks – an overview 34% 37%21% 8% US, Canada Europe, Middle East, Africa Latin America $2.0B • Differentiate and enhanced aesthetic appeal of our customers’ products • Enable sustainability through our solutions • Safeguard and preserve packaged contents • Extend product shelf life KEY E N D MARKETS PACKAGING CONSUMER HEALTHCARE BUILDING & CONSTRUCTION INDUSTRIAL TRANSPORTATION Copyright © . 2024 29 Our value we know color color designs completed annually 400,000 color formulations manufacturing footprint in industry 550 commercial resources globally serving locally we are global we innovate 18,000 sustainable solutions broadest portfolio in industry 14,500 additives solutions and growing Copyright © . 2024 30 Portfolio of CAI solutions Solid Colorants Liquid Recycling solutions Barrier enhancements Surface modifiers Plastisol Water-based Bio-based Silicone dispersion Vinyl formulations Specialty coatings Advanced dispersionsScreen printing inks Copyright © . 2024 31 CAI sales growth faster response to customer needs tailored to local needs...globally enhance service with digital tools Copyright © . 2024 32 Personalized, self-administered 32 CAI PORTFOLIO Copyright © . 2024 33 • Regulatory compliance • Reliable material quality and uninterrupted supply • Supply chain risk mitigation • Global reach $6B ADDRESSABLE MARKET AVIENT VALUE PROPOSITION • ISO 13485 accredited sites • Globally approved raw material portfolio • Strict change management • Global supply Auto injectors Syringes Inhalers OTHER APPLICATONS • In-vitro diagnostics • Remote monitoring • Pharma packaging • Catheters • Medical equipment Copyright © . 2024 34 • Reducing material and energy usage • Achieving sustainability goals and objectives • Improved product performance, structural integrity $5B ADDRESSABLE MARKET AVIENT VALUE PROPOSITION • Best-in-class additives for a wide range of polymer processing temperatures • Design services to simulate foaming and mold designs TransportationWood plastic composite decking Bottles and food packaging Building and Copyright © . 2024 35 • Regulatory restrictions with the removal of PFAS in multiple end markets • Major retailers requiring PFAS content declaration from suppliers • Enhanced plastic properties, aesthetics and processability • Specialized functionalities making plastics a safe option in demanding applications $8B ADDRESSABLE MARKET OTHER APPLICATONS • Electrical connectors • Labware • Food contact appliances Flexible film Artificial turf Food storage, oil containers 36Copyright © .

In 2022, we expanded our portfolio of sustainable solutions, including: Complet™ REC solutions provide long fiber-reinforced composites are now available in recycled nylon and TPU formulations Polystrand™ R continuous fiber thermoplastic composites enables lighter weight reinforcement with recycled PET Edgetek™ PKE NHFR formulations are polyketone grades with non-halogen flame retardants specifically designed for electric vehicle components, including connectors Paint replacement technologies, including Artisan™ ABS portfolio and Molded-In Color Metallic Hydrocerol™ Chemical Foaming Agents enable reduced part weight without compromising performance Automotive OEM Lowers Carbon Footprint With Avient An automotive OEM was looking to increase the use of sustainable materials for various vehicle parts in order to make progress towards achieving their sustainability goals and net zero emissions targets. By utilizing a combination of Avient’s OnColor™ Colorants, Hydrocerol™ Chemical Foaming Agents, and Smartbatch™ Combination Colorants & Additives, we enabled the OEM to reduce weight and carbon emissions in panel doors, increase UV resistance in instrument panels and replace traditional paint processes in central consoles. Visit Our Sustainability Site HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 47 https://www.avient.com/industries/transportation https://www.avient.com/sites/default/files/2022-06/Complet%20REC%20Technical%20Bulletin.pdf https://www.avient.com/sites/default/files/2022-11/Polystrand%20R%20Recycled%20Polyester%20Composite%20Tape%20and%20Laminates%20Product%20Bulletin.pdf https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/edgetek-pke-polyketone-formulations https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-premium-finishes https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents https://www.avient.com/sites/default/files/2023-04/Hydrocerol%20Chemical%20Foaming%20Agents%20-%20PP%20Door%20Panel%20-%20Application%20Snapshots.pdf Renewable Energy Market Needs: Structural Components, Regulatory Compliance, Halogen Free Renewable energy provides reliable power while reducing greenhouse gas emissions and conserving natural resources.

However, as a result of the divestiture of the Performance Products and Solutions segment (PP&S) on October 25, 2019, we have removed PP&S as a separate operating segment and its results are presented as discontinued operations. Note 3 — DISCONTINUED OPERATIONS On October 25, 2019, we divested the PP&S segment for $782.1 million cash. For the income tax impact associated with PP&S, refer to Note 3, Discontinued Operations.

Calculate using Let Down Percentage: Cost/lb of Concentrate x (Let Down Percentage/100) = Coloring Cost Calculate using Let Down Ratio: Cost/lb of Concentrate – Cost/lb of Resin Let Down Ratio +1 = Coloring Cost TWO WAYS TO CALCULATE COLORING COSTS TROUBLESHOOTING TWO WAYS TO CALCULATE COLORING COSTS SYMPTOM CAUSE REMEDY Color Variation Shot-to-Shot Poor Omnicolor preblending Pigment has insufficient thermal stability More thorough blending Ensure correct machine temperature control Screw Slip Premature melting of Omnicolor Excessive addition rate Reduce heat in feed zone Check addition rate and reduce if necessary Overall Good Distributive Mixing With Streaks or Dots of Another Color Poor pigment dispersion in concentrate Return concentrate for replacement Black Streaks or Splotches Degraded polymer in barrel Clean screw and barrel Poor Distributive Mixing (Streaking) Insufficient plastification See processing instructions Loss of Color Pigment has insufficient thermal stability Change to more heat stable colorant Ensure correct machine temperature control PROCESSING TEMPERATURES OM0001 OC0UFB White 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM0005 OC0UFC Bright White 200+ 260 260+ 260 200+ 300+ NS 300+ OM0330 OC0UFD Polar White 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM0332 OC0SAD Coconut 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM1275 OC0UFF Magnolia **200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM1293 OC0SAE Vanilla **200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM1625 OC1SAE Sunflower Yellow 200+ 280 260 260 200+ 280 NS 280 OM1637 OC1SAF Daffodil Yellow 200 240 220 NS NS NS NS NS OM1690 OC1UFD Citrus # *200+ NS 260 250 NS 280+ NS 280+ OM1693 OC1UFE Banana *200+ NS 280+ 280+ NS 280+ NS 280+ OM1696 OC1SAG Jasmine 200+ 280 260 260 200+ 280+ NS 280+ OM1700 OC1UFG Canary Yellow 200+ 280 260 260 200+ 280 NS 280 OM1702 OC1SAH Marigold # *200+ NS 260+ 260+ NS 300 NS 300 OM1704 OC8SAF Ivory **200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM1707 OC8SAG Cream 200+ 280+ 260+ 260+ 200+ 300+ 280+ 300+ OM1751 N/A Sol Yellow 200+ 260 260 280 200+ 250+ NS 280 OM1753 N/A Sherbert Lemon 200 240 220 NS NS NS NS NS OM1831 N/A Linen 200+ 280+ 260+ 280+ 200+ 265 NS NS OM1832 N/A Buttermilk 200+ 280+ 260+ 280+ 200+ NS NS NS OM1834 N/A Chick 200+ 240 220 NS NS NS NS NS OM1839 N/A Custard 200+ 280+ 260+ 280+ 200+ NS NS NS OM1845 N/A Yolk 200+ 280+ 260+ 280+ 200+ 265 NS NS OM2239 OC2UFB Seville Orange 200+ 280 260 260 200+ NS NS NS OM2243 OC2SAE Mandarin Orange 200 240 220 NS NS NS NS NS OM2250 OC2SAF Pumpkin 200+ 280 260 240 200+ NS NS NS OM2252 OC2SAG Nectarine # *200+ NS 280+ 280+ NS 300 NS 300 OM2291 N/A Carrot 200+ 280 260 280 200+ NS NS NS OM3223 OC3SAE Strawberry Red 200+ 280 260 260 200+ NS NS NS OM3364 OC3SAF Rose Pink 200+ 280 260 260 200+ NS NS NS OM3513 OC2SAH Flesh Pink **200+ 280 260 260 200+ NS NS NS OM3788 OC3SAH Cherry Red 200+ 280 260 260 200+ NS NS NS OM3801 OC3SAI Pastel Pink 200+ 280 260 260 200+ NS NS NS OM3820 OC3SAJ Flame Red *200 NS 280+ 280+ NS 280+ 280+ 280+ OM3849 OC3SAK Lobster Red 200 260 220 NS NS NS NS NS OM3850 OC3UFJ Tomato Red 200+ 280 260 260 200+ 280 NS 280 OM3853 OC3SAL Fuchsia 200 260 200 NS NS NS NS NS OM3856 OC3SAM Admiral Red # *200+ NS 260+ 260+ NS 300 NS 300 OM3861 OC3UFM Cardinal Red 200+ 280 260 260 200+ 280 NS 280 OM3864 OC3SAN Fire Engine Red # *200+ NS 260+ 260 NS 300 NS 300 OM3872 OC3SAP Rocket Red *200 NS 280+ 280+ 280+ 280+ NS 280+ OM3879 OC3SAQ Raspberry 200 260 200 NS NS NS NS NS OM3947 N/A Brilliant Red 200+ 280 260 260 200+ 250+ NS NS OM3951 N/A Poppy Red 200 260 220 NS NS NS NS NS OM3955 N/A Valentine Red 200+ 280 260 260 200+ 250+ NS NS OM3958 N/A Bubblegum Pink 200+ 280 260 260 200+ 250+ NS NS OM33053 N/A Ruby 200 240 220 NS NS NS NS NS OM4043 OC3SAR Burgundy 200 230 200 NS 200 NS NS NS OM4204 OC4SAA Mulberry 200+ 280 260 260 200 280 NS 280 OM4219 N/A Cerise 200+ 280 260 260 200+ 250+ NS NS TEMPERATURE CONVERSION TABLE °C 200 220 240 260 280 300 °F 392 428 464 500 536 572 NOTES * Suitable for use in all PVC except plasticized PVC ** Suitable for use in all PVC except tin stabilized PVC OM5001 OC5UFB Sky Blue 200+ 260 260+ 280 200+ 280 280 280 OM5009 OC5SAD Powder Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM5011 OC5UFD Mid Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM5027 UC5UFF Royal Blue 200+ 240 220 NS NS NS NS NS OM5034 OC5SAF Pale Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM5065 OC5SAG Navy Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM5179 OC5UFI Ultra Blue 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM5485 OC5UFJ Pacific Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM5982 OC5SAI Baby Blue 200+ 260+ 260+ 280+ 200+ 300 280+ 300 OM55094 OC4UFB Purple 200+ 260 240 240 200+ NS NS NS OM55157 OC5UFS Ice Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM55160 OC5SAH Midnight Blue # *200+ NS 260 260 NS 300 NS 300 OM55162 OC5UFM Cornflower Blue 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM55302 N/A African Violet 200+ 280 260 260 200+ 250+ NS NS OM55484 N/A Mistral 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM55497 N/A Lavender 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM55500 N/A Bluebell 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM55502 N/A Lilac 200+ 240 240 NS 200+ NS NS NS OM6037 N/A Aqua 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM6969 OC6UFL Alpine Green 200+ 280 260 260 200+ 280 NS 280 OM6985 OC6SAK Spearmint Green 200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM6994 OC6UFN Leaf Green 200 240 220 NS NS NS NS NS OM66070 OC6UFC Fern Green 200+ 280 260 260 200+ 280 NS 280 OM66072 OC6SAD Springtime 200+ 280 260 260 200+ 280 NS 280 OM66075 OC6SAE Racing Green 200+ 280 260 260 200+ 280+ NS 280+ OM66083 OC6SAF Fresh Green 200+ 280 260 260 200+ 280 NS 280 OM66087 OC6UFG Sage Green 200+ 280 260 260 200+ 280 NS 280 OM66088 OC5UFQ Marine Blue 200+ 280 260 260 200 280 NS 280 OM66099 OC6SAG Lime Green *200+ NS 260 250 NS 280+ NS 280+ OM66100 OC6SAH Olive Green 200+ 280+ 260+ 260+ 200+ 300+ 280+ 300+ OM66159 N/A Pod Green 200 240 220 NS NS NS NS NS OM66161 N/A Ocean Green 200+ 280 260+ 260+ 200+ 265 280+ 300 OM66301 N/A Dewdrop 200+ 260+ 260+ NS 200+ NS NS 280+ OM66303 N/A Grass Green 200+ 260+ 260+ NS 200+ NS NS 280 OM66306 N/A Lettuce Green 200+ 260+ 260+ NS 200+ NS NS 280 OM66307 N/A Apple Green 200+ 260+ 260+ NS 200+ NS NS 280 OM7002 OC7SAE Light Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7020 OC7UFD Dark Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7021 OC7SAF Ash Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7053 OC7UFF Mid Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7378 OC7UFG Dove Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7759 OC7UFJ Soft Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7994 OC9SAG Graphite 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7996 OC7SAH Moonstone 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM7999 OC7UFN Pebble ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM77000 OC7SAG Cloud Grey 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM77007 OC9SAE Mink ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM77013 OC5SSA Dusk 200+ 280+ 260+ 280+ 200+ 265 280+ 300 OM77140 N/A Putty 200+ 280 260+ 260+ 200+ 265 280+ 280 + Potential use at temperatures above those indicated NS Not suitable for use in polymer indicated # Contains dyestuff which will migrate from PE/PP and all other polyolefins PROCESSING TEMPERATURES OM77142 N/A Storm Grey 200+ 280 260+ 260+ 200+ 265 280+ 300+ OM77326 N/A Vapour 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM77327 N/A Pigeon 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM77330 N/A Shark 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM8004 OC8SAH Chocolate Brown ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8005 OC8SAI Terracotta ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8018 OC8SAJ Light Brown ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8021 OC8SAK Mushroom ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8029 OC8SAL Mid Brown ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8142 OC8UFK Dark Brown ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8332 OC8ASM Mahogany ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM8399 OC8SAN Rosewood ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM88721 OC8SAP Toffee ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM88723 OC8SAQ Honey Beige ** 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM88726 OC8SAR Chestnut Brown **200+ 280 260 260 200+ 280+ 280+ 280+ OM88729 UN88729 Beige **200+ 280+ 260+ 260+ 200+ 300+ 280+ 300+ OM88820 N/A Fudge **200+ 280 260+ 260+ 200+ 265 280+ 300 OM88833 N/A Demerara **200+ 280 260 260 200+ 250+ NS 280 OM88942 N/A Sandstone 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM0055 OC9UFA Deep Black 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM0086 OC9SAD Ebony # *200+ NS 260 260 NS 300 NS 300 OM0093 N/A Onyx 200+ 280 260+ 260+ 200+ 260 280+ 300+ OM0174 N/A Pearl White 200+ 280+ 260+ 260+ 200+ 265 280+ 300 OM0448 N/A Satin Pearl 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM1830 N/A Straw Pearl 200+ 280+ 260+ 280+ 200+ NS NS NS OM33051 N/A Shrimp Pink 200+ 280+ 260+ 260 200+ NS NS NS OM55483 N/A Azure Blue 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM55495 N/A Arctic Pearl 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM66297 N/A Mint Pearl 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM0541 OC8SAD Gold NS 240 240 240 200+ NS NS NS OM0548 OC8SAE Aztec Gold # *200+ NS 260 260 NS 300 NS 300 OM0567 OCCSAD Copper NS 240 240 240 200+ NS NS NS OM0574 N/A Summer Bronze **200+ 280 260+ 260+ 200+ 265 280 300 OM0701 OC7UFA Silver 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM0739 OC7SAD Pewter 200+ 280+ 260+ 280+ 200+ 300+ 280+ 300+ OM1268 OC1SAD FL Yellow *200+ NS 260+ 260+ NS 300 NS 300 OM2266 N/A FL Orange # *200+ NS 260+ 260+ NS 265 NS 300 OM3752 OC3SAG FL Pink # *200+ NS 260+ 260+ NS 300 NS 300 OM6941 OC6SAJ FL Green # *200+ NS 260+ 260+ NS 300 NS 300 OM1011TR N/A TR Yellow# *200+ NS 260+ 260+ NS 265 NS 300 OM1833TR N/A TR Lime # *200+ NS 260+ 260+ NS 265 NS 300 OM1846TR N/A Yellow Edge Glow # *200+ NS 260+ 260+ NS 265 NS 280 OM2034TR OC2SAD TR Amber # *200+ NS 260 280 NS 300 NS 300 OM2294TR N/A Orange Edge Glow # *200+ NS 260+ 260+ NS 265 NS 280 OM3012TR OC3SAD TR Red # *200+ NS 260+ 260 NS 300 NS 300 OM5016TR OC5SAE TR Blue # *200+ NS 260+ 260 NS 280 NS 280 OM6881TR OC6SAI TR Green # *200+ NS 260+ 260 NS 300 NS 300 OM7903TR OC9SAF TR Grey *200+ 280+ 260+ 280+ 200+ 300 280+ 300 OM33052TR N/A TR Claret # *200+ NS 260+ 260+ NS 265 NS 280 OM33055TR N/A Pink Edge Glow # *200+ NS 260+ 260+ NS NS NS 300 TEMPERATURE CONVERSION TABLE °C 200 220 240 260 280 300 °F 392 428 464 500 536 572 OM55488TR N/A TR Amethyst # *200+ NS 260+ 260+ NS 265+ NS 300 OM89050TR N/A TR Brown NS NS 260+ 280+ NS 265 NS 300 OM0279HT N/A Diamond White 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM0447HT N/A Cumulus 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM1739HT N/A Melon Yellow # *200+ NS 260+ 260+ NS 265 300+ 300+ OM1740HT N/A Pineapple # *200+ NS NS 260+ NS 265 300+ 300+ OM1829HT N/A Hornet # *200+ NS NS 260+ NS 265 300+ 300+ OM2264HT N/A Fresh Orange # *200+ NS NS NS NS 265 300+ 300+ OM3930HT N/A Deep Red # *200+ NS 260+ 260+ NS 265 300+ 300+ OM3940HT N/A Sunset # *200+ NS NS NS NS 265 300+ 300+ OM4217HT N/A Claret # *200+ NS 260+ 260+ NS 265 300+ 300+ OM33049HT N/A Lava # *200+ NS NS NS NS 265 300 300 OM33050HT N/A Poinsettia # *200+ NS NS NS NS 265 300 300 OM66148HT N/A Mid Green 200+ 280+ 260+ 260+ 200+ 265 300+ 300+ OM66294HT N/A Forest Green # NS NS NS NS NS 265 280+ 300+ OM66295HT N/A Astro # *200+ NS 260+ 280+ NS 265 280+ 300+ OM77323HT N/A Dolphin 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM77324HT N/A Slate 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM0038 N/A Value White 200+ 260+ 260+ 280+ 200+ 265 280+ 300+ OM0246 N/A Stone Effect 200+ 260 280 280+ NS 265 280 300 OM0299 N/A Pearl 200+ 260+ 260+ 280+ 200+ 265 280 300 OM0589 N/A Metallic Sand 200+ 280 260+ 280+ 200+ 265 300 300 OM0590 N/A Autumn Gold 200+ 280 260+ 260 200+ 255 NS NS OM0592 N/A Tropical Pearl 200+ 260 260 260 200+ 250 NS NS OM0593 N/A Inca Gold 200+ 280 260+ 280+ 200+ 250 280 280 OM0797TR N/A Sparkle 200+ NS 280 280 200 265 280 300 OM1339 N/A Value Yellow 200+ 280 280 280+ 200+ 265 280 300 OM5972 N/A Value Blue 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM9074 N/A Odyssey 200+ 280 260+ 280+ 200+ 265 300 300 OM33074 N/A Spanish Earth 200+ 280 260 260 200+ 250 NS NS OM33075 N/A Sunset Pearl 200+ 280 260 260 200+ 250 NS NS OM33100TR N/A Pink Sparkle NS NS 260 260 NS NS NS NS OM33111 N/A Value Red 200+ 240 220+ NS 200+ NS NS NS OM55559 N/A Soft Lilac 200+ 280 260 250 200+ 265 NS 280 OM55561 N/A Atlantic Pearl 200+ 280 260+ 280 200+ 265 280 280 OM55563 N/A Midnight Satin 200+ 280 260+ 280 200+ 265 200 280 OM55564 N/A Frost Bite 200+ 280 260 260 200+ 265 NS 280 OM55565 N/A Winter Wind 200+ 280 260+ 280+ 200+ 265 280 300 OM55566 N/A Mirage 200+ 280 260 260 200+ 265 NS 280 OM55567 N/A Purple Silk 200+ 260 250 250 200+ NS NS NS OM55666TR N/A Blue Sparkle NS NS 260+ 260+ NS 265 NS 280 OM55700TR N/A Violet Sparkle NS NS 260 260 NS 265 NS 300 OM66302 N/A Bottle Green 200+ 280+ 260+ 280+ 200+ 265 NS 300+ OM66344 N/A Arctic Moss 200+ 280 260+ 280+ 200+ 265 280 300 OM66345 N/A Grape 200+ 280 260+ 270 200+ 260 NS 280 OM66380 N/A Value Green 200+ 280+ 260+ 280+ 200+ 265 280+ 300+ OM77450 N/A Value Grey **200+ 280+ 260+ 280+ 200+ 265 280+ 300+ NOTES * Suitable for use in all PVC except plasticized PVC ** Suitable for use in all PVC except tin stabilized PVC + Potential use at temperatures above those indicated NS Not suitable for use in polymer indicated # Contains dyestuff which will migrate from PE/PP and all other polyolefins COLOR CHART White UK OM0001 Stock US OC0UFB Sherbert Lemon UK OM1753 Flame Red UK OM3820 Stock US OC3SAJ Cerise UK OM4219 Bright White UK OM0005 Stock US OC0UFC Linen UK OM1831 Lobster Red UK OM3849 Stock US OC3SAK Sky Blue UK OM5001 Stock US OC5UFB Polar White UK OM0330 Stock US OC0UFD Buttermilk UK OM1832 Tomato Red UK OM3850 Stock US OC3UFJ Powder Blue UK OM5009 Stock US OC5SAD Coconut UK OM0332 Stock US OC0SAD Chick UK OM1834 Fuchsia UK OM3853 US OC3SAL Mid Blue UK OM5011 Stock US OC5UFD Magnolia UK OM1275 Stock US OC0UFF Custard UK OM1839 Admiral Red UK OM3856 US OC3SAM Royal Blue UK OM5027 Stock US OC5UFF Vanilla UK OM1293 Stock US OC0SAE Yolk UK OM1845 Cardinal Red UK OM3861 Stock US OC3UFM Pale Blue UK OM5034 Stock US OC5SAF Sunflower Yellow UK OM1625 Stock US OC1SAE Seville Orange UK OM2239 Stock US OC2UFB Fire Engine Red UK OM3864 US OC3SAN Navy Blue UK OM5065 US OC5SAG Daffodil Yellow UK OM1637 Stock US OC1SAF Mandarin Orange UK OM2243 US OC2SAE Rocket Red UK OM3872 Stock US OC3SAP Ultra Blue UK OM5179 Stock US OC5UFI Citrus UK OM1690 Stock US OC1UFD Pumpkin UK OM2250 Stock US OC2SAF Raspberry UK OM3879 US OC3SAQ Pacific Blue UK OM5485 Stock US OC5UFJ Banana UK OM1693 Stock US OC1UFE Nectarine UK OM2252 Stock US OC2SAG Brilliant Red UK OM3947 Stock Baby Blue UK OM5982 US OC5SAI Jasmine UK OM1696 US OC1SAG Carrot UK OM2291 Poppy Red UK OM3951 Purple UK OM55094 Stock US OC4UFB Canary Yellow UK OM1700 Stock US OC1UFG Strawberry Red UK OM3223 Stock US OC3SAE Valentine Red UK OM3955 Ice Blue UK OM55157 US OC5UFS Marigold UK OM1702 US OC1SAH Rose Pink UK OM3364 US OC3SAF Bubblegum Pink UK OM3958 Midnight Blue UK OM55160 US OC5SAH Ivory UK OM1704 Stock US OC8SAF Flesh Pink UK OM3513 US OC2SAH Ruby UK OM33053 Cornflower Blue UK OM55162 Stock US OC5UFM Cream UK OM1707 US OC8SAG Cherry Red UK OM3788 US OC3SAH Burgundy UK OM4043 Stock US OC3SAR Sol Yellow UK OM1751 Stock Pastel Pink UK OM3801 US OC3SAI Mulberry UK OM4204 Stock US OC4SAA Due to printing or monitor variations, color shown may vary from actual color.

Financials are pro forma for the acquisition of Dyneema® and potential divestiture of Distribution Avient Specialty Other Specialty / Chemical Companies 45 Source: Peer data per Bloomberg market data as of April 21, 2022 Total Enterprise Value / NTM EBITDA With the Dyneema and Clariant Color business acquisition and divestment of the PP&S business, along with the proposed sale of our Distribution business, our exposure is now concentrated in less-cyclical and high-growth markets. OUR VALUATION VERSUS PEERS Avient Specialty Other 5.4 8.5 10.1 9.8 13.8 12.8 12.1 11.8 10.2 21.0 19.2 16.8 13.7 13.6 8.8 8.7 8.7 8.3 8.0 5.6 01 1) 01 6) 02 1) (T od ay ) PM PP AV VR C Historic Multiple APPENDIX Performance Additives 15% Pigments TiO2 Dyestuffs 3%Polyethylene Nylon 6% Polypropylene Other Raw Materials 30% Styrenic Block Copolymer ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 48 • Significant raw material price inflation and tight inventory continued in Q1 2022 o The average cost of hydrocarbon based materials was up 30% o The average cost of non-hydrocarbon based materials was up 20% • Additionally, we continued to experience other supply chain challenges during Q1 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 23% 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M 15% 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILLION 32% 40% Latin America END MARKET REGION 51 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 52 DI S T RI BU T I O N 26% 23% Building and 80% 3% Latin America END MARKET REGION K EY SU PPL IER S 2021 REVENUE | $1 .6 BILLION 53 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 54 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

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 – 2014 2015 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 • 21 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Vitality index and innovation driving growth and expanding margins • Specialty business margins have 20+% potential • Double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & 10% Electrical & 9% Distribution 28% PP&S Specialty 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $92 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $242M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -150% -50% 50% 150% 250% 350% 450% 550% PolyOne S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 EPS CAGR = 40% EPS Share Price vs.