This gas then forms a cellular structure in the polymer matrix. TARGET APPLICATIONS Excelite IM chemical foaming additives (CFAs) are engineered for a wide range of injection molded polymers: olefins, PVC, polystyrene, PC/ABS and high heat applications. PP, PE, PS, PVC No Good Foam PP Better, larger cells with lower cell density in standard IM processes; suitable for cell nucleation in structural foam processing PP, PE, PS, PVC Yes Better FA-110 Best cell structure with higher cell density; provides better structural integrity and lower density in standard IM processes PP, PE, PS, PVC Yes Best KEY CHARACTERISTICS Excelite IM formulations provide injection molders with: • Material density and weight reduction • High concentration of active CFA • Improved distribution of CFA into polymer matrix • High cell density with tight cell structure • Control over consistency and accuracy • Reduced sink marks • Ability to improve flow of material • Cycle time reduction • Improved dimensional stability • Improved thermal insulation EXCELITE IM – PRODUCT FORMULATIONS www.avient.com Copyright © 2020, Avient Corporation.

 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  Addressable market exceeds $40 billion PolyOne Corporation Page 17 Appendix PolyOne Corporation Page 18 +25% $262 $320 $200 $275 $350 2013 2014 Adjusted Operating Income (in millions) +22% 2014 Financial Highlights  All of our segments delivered both operating income and margin expansion during the year  Our specialty businesses achieved record levels of profits and profitability this year  Achieved 21st consecutive quarter, or over five years, of strong, double-digit adjusted EPS growth +37% $1.31 $1.80 $1.00 $1.50 $2.00 2013 2014 Adjusted EPS $195 $242 $150 $200 $250 2013 2014 Specialty Operating Income (in millions) PolyOne Corporation Page 19 Building & 7% Electrical & 1% 31% Textiles 7% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 12-16% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Target 36% PolyOne Corporation Page 20 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12-16% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales Target 12.1% 33% 19% PolyOne Corporation Page 21 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 8-10% 2012 2013 2014 2015 Operating Income % of Sales Target PolyOne Corporation Page 22 Building & 33% 5% Electrical & 1% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 9-12% Target 2014 Revenue by Industry Segment 2015 7.7% PolyOne Corporation Page 23 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6 - 7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales 15% 52% 2006 2014 At a Glance Distribution *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Key Suppliers 2014 Revenues: $1.1 Billion ROIC* Expanding Profits 6.1% Target http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 24 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 25 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Four consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  103 trained Black Belts  247 trained Green Belts  127 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 26 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $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 Fast 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 4% 4% 8% 9% 9% 10% 11% 14% Western Europe North America South America MEA Easter Europe Asia Pacific China India PET 2008-13P CAGR PET Bottling Technology PolyOne Corporation Page 29 • 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 30 • 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 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 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 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 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 organoleptic properties PolyOne Corporation Page 35 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. Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2013Y 2014Y Global Color, Additives and Inks $ 4.3 $ 28.1 $ 37.7 $ 104.0 $ 124.9 Global Specialty Engineered Materials 0.4 17.6 49.7 57.2 72.4 Designed Structures and Solutions - - - 33.4 45.1 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 194.6 $ 242.4 Performance Products and Solutions 75.7 31.3 54.0 56.0 63.1 Distribution 19.5 28.1 42.0 63.3 68.2 Joint ventures 91.9 28.6 18.9 - - Corporate and eliminations (51.5) (425.1) (27.7) (82.4) (218.6) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 231.5 $ 155.1 Less: Corporate operating expense 51.5 425.1 27.7 82.4 218.6 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 313.9 $ 373.7 Specialty platform operating mix percentage 2% 34% 43% 62% 65% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Appendix 2014 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence A Rich Pipeline of Opportunity Application Examples Slide Number 28 Authentication Technology Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Non-GAAP Reconciliation Sidoti & Company non-GAAP Rec

The activation changes the molecular structure of these additives, causing a color change that provides the vivid contrast of laser marking. The mark can be white or dark in color. Avient has experience formulating Cesa Laser Marking Additives that can work with a wide variety of polymers and processes, including injection molding, blow molding and extrusion.

The Mevopur™ Healthcare Functional Additives portfolio includes antistatic additives that reduce the surface resistivity of polymers and the issues caused by electrostatic charges. These antistatic concentrates can be used to increase the visual appeal of a medical device by avoiding charge-related dust accumulation.

Homepage // News Center // PolyOne Designs LED Lighting Innovations with Flame Retardant Polymer Solutions These specialty polymers are formulated to meet UL flame rating standards while also providing anti-yellowing performance, protection from chemicals and outstanding clarity. PolyOne Corporation (NYSE: POL) is a premier provider of specialized polymer materials, services and solutions.

Developed to support growing sustainability goals, these bio- polymers offer hardness levels from 30-70 Shore A and property retention comparable to traditional petroleum-based TPEs. Plus, with an opaque natural color, reSound BIO materials offer excellent colorability, making them ideal for applications such as cosmetics packaging, personal care products, household appliances, and consumer electronics. Customization options may include bio- renewable content percentages, hardness, and color.

McAlindon (24) Page 24 Award-Winning Marketing Campaign Page 25 2012 Range Rover Evoque Interior • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Page 26 KOR Delta Hydration Vessel • Specialty TPE formulation overcame performance issues • Eliminated secondary assembly process for increased operational efficiency Interior seal Flip-top seal Bottom ring Page 27 Friedrich Kühl® Decorative Air Conditioner Housing • Replaced painted ABS housing with Geon™ solution • Reduced operating noise • Simplified manufacturing footprint to drive significant cost savings Page 28 • Focused on markets with high growth and profit potential • Leveraging our in-depth knowledge of formulation Focused Efforts in Attractive Industry Segments $113 $260 Healthcare and processing to develop market driven solutions • Aligning resources across the organization to drive growth in target markets $152 $228 2006 2011 Sustainable Solutions (Revenue in $ millions) 2006 2011 2006 2011 2006 2011 Page 29 • Design service collaboration • Doubled productivity and improved yield rates • Substantial reduction in overall manufacturing costs Pulmonary Device Page 30 Innovating for the future… Rejuvenate a mature industry with new products and processes Products designed for “next life” instead of “end life” Plastics: Key to Future Sustainable Development …Making a difference today!

BOS B A T T E R Y S F R A M E • Recycled materials where possible • Non-halogen flame retardant performance to V0 rating • BOS company color RAL9004 (on visible parts) • Thermal performance for some parts • High strength at low thickness for load-bearing parts • Provided multiple polymer solutions for the battery frame including recycled nylon, thermoplastic elastomers and thermally conductive formulations • Utilized recycled nylon with up to 35% glass fiber content to provide high strength for load-bearing parts at a low thickness to minimize weight • Enabled customer to launch a new innovative battery system with a modular design for use in multiple applications – maximizing the working life of the battery Nymax™ REC Recycled Nylon Formulations and Therma-Tech™ Thermally Conductive Formulations KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/nymax-rec-recycled-nylon-formulations Bos

NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that is a premier provider of specialized polymer materials, services and solutions.

NYSE: POL) a premier provider of specialized polymer materials, services and solutions, today announced that is a premier provider of specialized polymer materials, services and solutions.