The New PolyOne: A Specialty Growth Company 17POLYONE CORPORATION Segment Highlights 18POLYONE CORPORATION 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 16.4% 2016 Revenue: $0.8 Billion United 45% 33% Latin 5% Color, Additives & Inks Packaging (30%) (10%) Textiles (9%) (9%) 19POLYONE CORPORATION 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 14.3% 13.1% Specialty Engineered Materials 2016 Revenue: $0.6 Billion United 51% 27% 20% Consumer (19%) (19%) Electrical & Electronics Healthcare (11%) 20POLYONE CORPORATION 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 11.4% 11.1% Performance Products & Solutions 2016 Revenue: $0.7 Billion United 78% 16% Latin Building & Construction (30%) (18%) (16%) (16%) 21POLYONE CORPORATION 36% Distribution 2016 Revenue: $1.1 Billion Key Suppliers ROIC 24% Healthcare 22% 18% Consumer 15% Appliance 6% E & E 5% B & C Packaging W & C 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.1% 6.6% 6.5 - 7.5% 6.4% 6.6% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 YTD *After-Tax ROIC http://www.avient.com/Pages/VariationRoot.aspx http://www.avient.com/Pages/VariationRoot.aspx 22POLYONE CORPORATION Target End Markets & Application Examples 23POLYONE CORPORATION Target End Markets… Healthcare Thermally Conductive Technologies Chemical Resistant Technologies Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Technologies 24POLYONE CORPORATION Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Fluid Handling Interior Trim Exterior Trim Braces & Brackets Fasteners Seals & Flaps 25POLYONE CORPORATION Target End Markets… Packaging Oxygen Scavenger Technologies Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Technologies Antioxident Technologies Density Modified Technologies 26POLYONE CORPORATION Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components 27POLYONE CORPORATION  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly Luxury Packaging GravitechTM Density Modified Polymers 28POLYONE CORPORATION Optimize Color Usage OnColorTM Super Concentrates  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increasing design capabilities by reducing weight and layer thickness 29POLYONE CORPORATION Combat Bacteria Formation WithStandTM Antimicrobial Technology  Inhibit microbial growth on polymer surfaces  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products 30POLYONE CORPORATION Medical Device Housings Chemically Resistant Engineered Polymers  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios 31POLYONE CORPORATION Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors, and effects  Innovative brand differentiation  Faster development timelines 32POLYONE CORPORATION 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 33POLYONE CORPORATION  ColorMatrix Fiber Colorant  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch Fiber Colorants 34POLYONE CORPORATION Smart Home Devices ResilienceTM Vinyl Solutions  High flame retardancy to meet strict UL standards  Greater processing and design flexibility  Specialized additives provide long term color stability  Diffusive lens materials improve light dispersion 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

We help our customers overcome healthcare challenges with durable, lightweight, and eco-conscious materials. Our materials help customers provide durable, long-lasting products for the casual explorer, the social adventurer, and the extreme enthusiast. Additionally, these TPEs reduce VOCs, fogging and odor for vehicle interiors.

We help our customers overcome healthcare challenges with durable, lightweight, and eco-conscious materials. Our materials help customers provide durable, long-lasting products for the casual explorer, the social adventurer, and the extreme enthusiast. Additionally, these TPEs reduce VOCs, fogging and odor for vehicle interiors.

Versaflex™ CE for 5G TPEs, providing signal transparency for mobile device accessories

Plastics are renowned for their durability, aesthetics, ease of handling and recyclability. Geon’s products are sold to manufacturers of durable plastic parts and consumer-oriented products. Geon’s products are sold to manufacturers of durable plastic parts and consumer-oriented products.

TPEs for long-term sealing performance and a low COF for consistent performance across barrel sizes

TPEs that are ideal for healthcare, consumer goods and cutting-edge electronics such as wearables

This is a durable assembly method, and acceptable for most plastics. This assembly method has good overall durability, and is suitable for repeated assembly. Unfortunately, this method only has limited durability and has a minimum amount of assembly repeatability.2 FIGURE 19 - Mechanical Fasteners Design Guidlines Potential high stress due to wedging action of screw head Potential high stress due to wedging action of screw head Poor DesignsPoor Designs Preferred DesignsPreferred Designs Planned gap between added bosses prevents excessive bending of hosing as bosses touch and go into compression Planned gap between added bosses prevents excessive bending of hosing as bosses touch and go into compression Alternative recessed head design avoids potentially dangerous wedging action Alternative recessed head design avoids potentially dangerous wedging action Truss or Round Head ScrewTruss or Round Head Screw Potential high bending stress as bolt is tightened Potential high bending stress as bolt is tightened Flat-head Screw Standard Screw Plastic Part Metal Sub-frame Shoulder Screw Plastic Metal Casting FIGURE 20 - Mechanical fasteners design guidelines σH = DShaft W = DShaft DShaft 1 + FIGURE 16 - Interference fit variable σH = DShaft W = DShaft DShaft 1 + FIGURE 17 - Geometry factor variable σH = DShaft W = DShaft DShaft 1 + FIGURE 18 - Hoop stress equation σH = DShaft W = DShaft DShaft 1 + FIGURE 19 - Press fit pull-out force .400 .500 .375 .373 .650 FIGURE 15 - Press fit example Design Guide 13 ADHESIVE TYPES A chart containing the various specific adhesive types, with advantages and disadvantages of both can be seen in the appendix.

L’ampleur et l’importance de nos opérations, associés à nos normes éthiques strictes, exigent que nous recherchions des solutions durables qui résistent à l’épreuve du temps. Avient s’efforce de développer une entreprise durable de premier rang en menant ses activités de façon à répondre aux besoins actuels sans compromettre la capacité des générations futures à faire de même. Rechercher des solutions durables n’est pas seulement la bonne chose à faire pour l’environnement ; c’est également la bonne chose à faire pour nos collaborateurs, nos clients, voisins, actionnaires et notre entreprise.

Our portfolio is designed to help our customers overcome healthcare challenges with durable, lightweight, eco-conscious and lower carbon footprint materials. Highlights in 2022 PREPERM™ Low Loss Dielectric Formulations for antennae and base station components Edgetek™ formulations are used in base station components ECCOH™ Micromodules and ECCOH™ + Syncure™ 5G Hybrid Cable Insulation + Jacket materials are specifically designed to for optical fiber components Fiber-Line™ Swellcoat™ Water Blocking Yarns support 5G antennae, data centers, and backbone cable designs to prevent equipment damage and signal attenuation due to water ingression in the cables Glasforms™ pultrusion technologies provide a durable, corrosion resistant pole to support telecommunications and power distribution Application Highlight: 5G Fiber Optic Cables The need for better, faster and more reliable technology is stronger than ever and 5G is designed to provide high speed connectivity. We look to develop applications for our products that help conserve and protect water resources, including the use of our materials in durable water piping and water conservation applications.