ColorMatrix™ Capture™ Oxygen Scavenger ColorMatrix™ Capture™ Oxygen Scavenger is a fully recyclable scavenging solution that actively protects beverages from the adverse effects of oxygen, extending product shelf life up to 24 months.

S EC O N D Q UART ER 2022 RE S U LTS $122 $134 $0.87 $0.98 Q2 2022 PERFORMANCE (TOTAL COMPANY) 4 Sales Adjusted Operating Income $1,235 $1,302 + 5% Adjusted EPS + 10% + 13% (in millions) (in millions) (+ 10% excluding FX) (+ 16% excluding FX) (+ 20% excluding FX) Q2 2022 SEGMENT PERFORMANCE 5 CAI $624 $649 ($ in millions) SEM Distribution $86 $94 + 4% + 9% $404 $443 $24 $27 + 10% + 13% (1) $241 $244 $37 $37 + 1% Flat (+ 10% excluding FX) (+ 16% excluding FX) (+ 6% excluding FX) (+ 3% excluding FX) Q2 2021 $1,235 $122 Sustainable Solutions 17 7% 7 Healthcare 23 14% 5 Composites (ex Outdoor High Performance) 10 20% 4 Growth in Asia / LATAM 5 3% 1 Other 69 11% 5 Sub-total $1,359 10% $144 Outdoor High Performance Impact (9) (5) Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (48) (7) Q2 2022 $1,302 5% $134 Q2 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 6 Sales Growth Rate Operating Income$ millions EBITDA Q2 EBITDA BRIDGE 7 Price increases more than offsets raw material and supply chain impacts Q2 2021 $ 159 Demand (29) $ millions CAI: Price / Mix 87 Inflation (58) SEM: Price / Mix 36 Inflation (24) Distribution: Price / Mix 45 Inflation (41) Net Price Benefit 45 Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (7) Q2 2022 $ 170 China Lockdowns / Russia Impact $ (14) Outdoor High Performance (5) Transportation (5) 8 Q2 '21 Adjusted EPS 0.87$ Color, Additives and Inks 0.11 Specialty Engineered Materials 0.01 Distribution 0.03 Corporate Costs 0.01 F/X (0.05) Segment OI 0.11$ Interest Expense 0.03 Tax Rate (0.03) Q2 '22 Adjusted EPS 0.98$ Q2 EPS BRIDGE Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N. 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 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 (1) 24 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 BILL ION 32% 40% Latin America END MARKET REGION 25 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 26 D I S T R I BU T I O N 26% Building and 80% 3% Latin America END MARKET REGION K E Y S U P P L I ER S 2021 REVENUE | $1 .6 B ILL ION 27 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) 28 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.

Low and stable εr • Ultra-low loss • Low water absorption • Hydrolysis resistant • Excellent impact strength • Mass production friendly APPLICATION BULLETIN A PREPERM radome grade gives you a longer and wider scanning range compared to common resins. 40 m Comparison of PREPERM radome grade and common resin at 24 GHz and 79 GHz bands Common Resin Common Resin PREPERM™ RB260 PREPERM™ RB260 PARAMETER PBT+GF PEI PREPERM RADOME GRADE ELECTRICAL εr @ 77 GHz 3.5–4.2 3.1 2.6 Tan @ 77 GHz 0.03 0.003 0.003 Isotropic @ 77 GHz No Yes Yes MECHANICAL Impact strength -20°C/+23°C notched izod 6kJ/m2/6kJ/m2 6kJ/m2/6kJ/m2 25kJ/m2/35kJ/m2 Elongation @ break 3% 40% 22% Brittleness Yes Yes No THERMAL Max use temp (HDT) 200–220°C 190–200°C 150–180°C Inherent flammability HB V0 V1 to V0 ENVIRONMENTAL Water absorption 0.4% 1.25% 0.2% Chemical resistance Good Excellent Good Hydrolysis resistant Specific Grade Yes Yes MANUFACTURING Batch-to-batch consistency Limited Excellent Excellent Moldability Excellent Good Good Abrasive Yes No No Mold shrinkage Inconsistent, warpage issue Homogenous Homogenous Raw material price Low High Moderate Copyright © 2022, Avient Corporation.

EXTRUDER Screw 3/4" to 6" Polyethylene type—Single flight, no mixing section, 1.5–2:1 compression ratio Tooling Semi-Pressure type: 30°–40° angle Die On size with 1/8" or less land L/D 24:1 recommended Screen Pack No screen pack (Optional depending on pressure) Cooling Trough 120–150°F (50–65°C) recommended Feeder Gravimetric type preferred—3 compartment for cross-linked Dryer Desiccant type, 4 hours at 160°F (70°C) For ECCOH™ compound only; never put Dry Silane in Dryers PROCESSING Temperature ECCOH 5000 Series ECCOH 6000 Series Wire Preheat 180–250°F (80–120°C) 180–250°F (80–120°C) Feed Zones 200°F (93°C) 275°F (135°C) Transition 275°F (135°C) 325°F (163°C) Metering 300°F (150°C) 375°F (190°C) Head/Die 330°F (165°C) 420°F (215°C) Target Melt 330–340°F (165–170°C) 420–440°F (215–225°C) Flame at Die Tip Yes—as needed Line Speed Shear sensitive: Observe Melt Temperature, Motor Amperage, and Pressure Purge Compound HDPE Copyright © 2020, Avient Corporation.

EXTRUDER Screw 1½" to 6" Polyethylene type—Maddock; 3:1 compression ratio Tooling Pressure type Die On size with 1/8" or less land L/D 24:1 or higher Screen Pack 20/60/60/20 Mesh Cooling Trough Hot 120–150° F (50–65° C) Feeder Gravimetric type—3 compartment (for color) Drying Conditions, Catalyst Only Desiccant type, 4 hours at 140° F (60° C) PROCESSING Temperature Wire Preheat 180–250° F (110–120° C) Feed Zones 330° F (165° C) Transition 340° F (170° C) Metering 350° F (177° C) Head/ Die 360° F (182° C) Target Melt 350–380° F (177–190°C) Flame at Die Tip Yes Line Speed Higher line speed improves mixing and surface smoothness Purge Compound HDPE To learn more about Syncure XLPE wire and cable solutions, contact us at +1.844.4AVIENT (1-844.428.4368) www.avient.com Copyright © 2020, Avient Corporation.

National Defense budget of $842 billion submitted to Congress in Q1 2023 • European NATO members annual defense spend expected to increase by up to 20%  Dyneema® is the world’s strongest fiber™  One of the highest strength to weight ratios of any material on Earth  Direct relationships with industry leading armor manufacturers  Resistant to most chemicals, UV, and moisture to handle any environment Avient Confidential 13 DEFENSE Source: US Department of Defense, defense.gov, NATO13 Source: TRANSPORTATION • Increased EPA regulations requiring improved fuel efficiency, enabled in part by lower-weight vehicles • Automakers preparing for 2/3 of U.S. vehicles to be 100% electric by 2032  Lightweight panels that establish both strength and stiffness resulting in decreased energy usage, lower emissions  Long-lasting Color applications to resist UV exposure, temperature fluctuations and exceed the stylistic requirements of global automakers 14 $130 $530 $0.60 $2.40 2023 GUIDANCE 15 Sales Adjusted EBITDA $845 $3,400 Adjusted EPS (in millions) (in millions) CASH FLOW / LEVERAGE 16 • Maintaining free cash flow and leverage guidance from February earnings call • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x LONG-TERM REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites 10% Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% 17 Sustainable Solutions 32% Asia / LATAM Composites Other (GDP Growth) 39% • Virtual presentation to be held September 20, 2023 • The company will be conducting an investor-focused presentation around our sustainability solutions portfolio Avient Confidential 18 SUSTAINABILITY INVESTOR DAY 18 $340M $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020PF** 2021 2022PF*** SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2022 ($ in millions) Organic Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 19 *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 ***2022 is Pro Forma for the acquisition of Avient Protective Materials and the divestiture of Distribution $1,175M Lightweighting Eco-Conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Human Health & Safety Reduced Energy Use Bio-polymers SUSTAINABILITY NEEDS BY MARKET B&C • Eco-Conscious • Carbon footprint • Resource conservation • Carbon footprint • Bio based content • Eco-Conscious Automotive • Light weighting • Recycled Content • VOC reduction • Recycle Solutions • Carbon Footprint Packaging • Recycle Solutions • Food waste reduction Common Theme: CO2 Emission Goals Increasing Single-Use Plastic Regulation 20 INVESTING IN INNOVATION S U S T A I N A B I L I T Y P O R T F O L I O 21 AP P EN D IX 24 RAW MATERIAL 2022 ANNUAL PURCHASES Performance Additives Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials • Cost inflation decelerating, particularly for hydrocarbon-based raw materials 2022 pro forma results for the acquisition of Avient Protective Materials SEGMENT DATA U.S. & Canada 40% 37% 18% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 24% Building and END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) 9% 26 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION 34% 38% END MARKET REGION 27 34% 21% Building & 1% Energy 2% 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 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET 52% 35% REGION 28 19% 8%Industrial 9% Defense Building & 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET 27% 14% 17% Building & (37% of sales)Transportation 24% 12% Building & US & Canada (40% of sales) 56% 23% Building & 1% LATAM (5% of sales) 3% 29 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,400 and estimated run-rate CAPEX of $110M. 31 4 4 5 5 5 6 7 9 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.mullerquaker.com/products/greek100/greek100-peach-and-passion-fruit&ei=-acYVZq7EIqwyASDjYL4CA&bvm=bv.89381419,d.cWc&psig=AFQjCNGNCQY1_dCN2RPLzxtap_Pu0omTXQ&ust=1427765484498432 POLYONE CORPORATION 18 2016 Revenue: $0.7 Billion At a Glance: Performance Products & Solutions 2016 Revenue by Industry Expanding Profits 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 12.0% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 1Q 2017 2020 Operating Income % of Sales 11.1% B & C 30% Transportation 18% W & C 16% Industrial 16% Appliance 6% Consumer 5% Packaging 5% E & E 3% Healthcare 1% United States 78% Canada 16% Latin America 4% Asia 2% Key Applications Platinum Vision POLYONE CORPORATION 19 2016 Revenue: $1.1 Billion At a Glance: Distribution Key Suppliers ROIC Expanding Profits 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% 6.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 1Q 2017 2020 Operating Income % of Sales 4% 36% 2006 2016 Transportation 24% Healthcare 22% Industrial 18% Consumer 15% Appliance 6% E & E 5% B & C 4% Packaging 4% W & C 2% Platinum Vision *After-Tax ROIC http://www.avient.com/Pages/VariationRoot.aspx 20 POLYONE CORPORATION Target End Markets & Application Examples 21 POLYONE CORPORATION Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 21 Film Target End Markets… Healthcare 22 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 23 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 24 POLYONE CORPORATION Source: Outdoor Industry Association TPE Vibration Dampening (SEM/GLS) TPE + OnForce (SEM) OnForce (SEM) Advanced Composites (SEM) TPE Vibration Dampening (SEM/GLS) 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) Target End Markets… Consumer POLYONE CORPORATION 25 Luxury Packaging with Gravitech Density Modified Polymers  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 POLYONE CORPORATION 26  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increase design capabilities by reducing weight and layer thickness Optimize Color Usage with OnColor Super Concentrates POLYONE CORPORATION 27  Inhibit microbial growth on polymer surface  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products Combat Bacteria Formation with WithStand Antimicrobial Technology POLYONE CORPORATION 28 Medical Device Housings with 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 POLYONE CORPORATION 29 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 POLYONE CORPORATION 30 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 31 Fiber Colorants Solutions for clothing, apparel, footwear, automotive & sporting goods  ColorMatrix Fiber Colorant Solutions  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 POLYONE CORPORATION 32 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 33 Smart Home Devices with Resilience 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 attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and operating income before special items 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. Segment Highlights At a Glance: Color, Additives & Inks At a Glance: Specialty Engineered Materials At a Glance: Designed Structures & Solutions At a Glance: Performance Products & Solutions At a Glance: Distribution Target End Markets &�Application Examples Slide Number 21 Slide Number 22 Slide Number 23 Slide Number 24 Luxury Packaging�with Gravitech Density Modified Polymers Optimize Color Usage�with OnColor Super Concentrates Combat Bacteria Formation�with WithStand Antimicrobial Technology Medical Device Housings�with Chemically Resistant Engineered Polymers Color & Design Services Outdoor Applications Fiber Colorants�Solutions for clothing, apparel, footwear, automotive & sporting goods High-Barrier Packaging Containers Smart Home Devices�with Resilience Vinyl Solutions Investor Presentation Non-GAAP Rec - May 2017 r2 Investor Presentation - May 2017

Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 24 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.3 14.4 13.6 13.6 12.4 9.0 20.2 18.2 11.5 10.6 9.7 9.6 8.7 8.3 01 1) 01 8) 02 3) Avient Specialty Other Specialty / SEGMENT DATA U.S. & Canada 40% 37% 18% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 20% 24% Building and END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) 9% 26 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 B ILL ION 34% 38% 20% END MARKET REGION 27 34% 21% Building & 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 B ILL ION 52% 35% 28 19% 8%Industrial 16% 9% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 9% 2022 PROFORMA AVIENT REGIONAL SALES 27% 14% 17% Building & (37% of sales)Transportation 24% 12% Building & US & Canada (40% of sales) 7% 56% 23% 7% Building & 1% LATAM (5% of sales) 3% 29 BY END MARKET 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.

Christopher Murphy Vice President, Research and Development Chief Innovation Officer PolyOne Corporation Page 22 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 23 Decreasing Dependence on Fossil Fuels Globalizing and Localizing • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Protecting the Environment Improving Health and Wellness Alignment with Megatrends PolyOne Corporation Page 24 Innovation Drives Earnings Growth $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 PolyOne Corporation Page 25 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 26 Recent Innovations Aligned with Megatrends in Key End Markets and 2015 Goals Robert M. Patterson President and Chief Executive Officer PolyOne Corporation Page 36 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 37 Innovation Drives Earnings Growth $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 PolyOne Corporation Page 38 Formula for Success Innovation Market Beating Performance Excellence in Execution PolyOne Corporation Page 39 Track Record of Successful Integrations and Rapid Operating Income Growth $12 $44 2007 2013 $22 $30 2012 2013 $24 $49 2012 2013 GLS ColorMatrix Spartech OI in $ millions PolyOne Corporation Page 40 2015 and Beyond Innovation will drive the next stage in our remarkable transformation Deliver on 2015 goals Expand Specialty offerings and possibilities Identified as a truly global, specialty chemical company Market Potential Exceeds $40 Billion PolyOne Corporation Page 41 Driving Toward Premier Profitability EBIT Margins for top tier companies Victrex 42% Sigma Aldrich 18% FMC 25% IFF 18% Eastman 17% Hexcel 16% 16% Rockwood Holdings Celanese 14% 7% EBIT Margin – 2013 Albemarle 24% Ecolab 13% PolyOne Corporation Page 42 Bright Future & High Aspirations – The Next Seven Years • % OP Income from Specialty - 5% • Market Cap - $500 Million • Revenue - $2.6 Billion • Commodity Peers • Specialty ROS - 1.5% • % OP Income from Specialty - 62% • Market Cap - $3.5 Billion • Revenue - $3.7 Billion • Specialty ROS - 9.4% • % OP Income from Specialty - 80 to 90% • Market Cap - $12 to $18 Billion • Revenue - $8 to $10 Billion • Specialty Peers • Specialty ROS - ≥ 20% 2000 – 2006 2007 – 2013 2014 – 2020 PolyOne Corporation Page 43 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Strong past 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 44 Appendix Kiosk Summaries Segments at a Glance Officer Biographies PolyOne Corporation Page 45 Anti-Counterfeiting Solutions  Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their packaging, devices, end products and raw materials in the field  Protects brand equity – defense against customer complaints or legal actions based on erroneous product identification  Protects consumer welfare – decrease in potential harm to consumers, reduction in unwarranted recall expenses  Secures supply chain integrity – support for safe expansion into new geographies PolyOne Corporation Page 46 Security and Safety Solutions  Polycast™ Bullet Resistant Sheet, an optically clear, non-yellowing acrylic, provides ballistics protection against powerful weapons • High-impact resistance that foils “smash-and-grab” thieves  GlasArmor™ Bullet Resistant Panels, a UL-listed solution with superior ballistic resistance yet weights 75% less than steel panel • Used in commercial security applications for business, home, and governmental facilities PolyOne Corporation Page 47 3D Printing  Collaborating with customers using 3D printers to create prototypes and samples  Enables customers to develop and test their products and innovations quickly and accurately  3D printing of molds and inserts allows OEMs to develop and test new product innovation using their own equipment and material of choice, more efficient than traditional processes PolyOne Corporation Page 48 Enhanced Ergonomic Technologies  Versaflex™ VDT was developed to absorb vibration and noise in a broad range of applications, including minimally invasive surgical instruments, electronics, firearms, archery and automotive  Can be overmolded onto a rigid substrate without the need for an adhesive to increase production efficiencies and profitability  Creates value by: • Increasing end-user comfort • Eliminating secondary assembly • Differentiating end products PolyOne Corporation Page 49 Sustainable Solutions  reFlex™ Bio-Based Plasticizer non- phthalate additive used to make vinyl more flexible • Derived primarily from soybeans rather than petroleum • Certified by USDA BioPreferred® program  Wilflex™ Oasis Water-Based Inks satisfy consumer demand for eco- conscious products • Long screen life and production- friendly to improve operational efficiencies, increase design quality PolyOne Corporation Page 50 Color and Design Services  First-of-its-kind offering that supports color and product development from concept to reality  Helps brand managers and designers evaluate color and design alternatives to: – accelerate and streamline product development – strengthen brand equity – build marketplace excitement  Enhances product differentiation  Improves efficiency and profitability PolyOne Corporation Page 51 Metal Replacement Technology  Portfolio of solutions that meet upper range of performance requirements, removing barriers to replacing metal with polymers  Applications include: • LED heat sinks • Electronic shielding (EMI/RFI) • Structural integrity at elevated temperatures (i.e., large appliances) • Lead-free radiation shielding (i.e., CT scanners)  Creates value by eliminating the need for machining and secondary operations, removing weight, streamlining production and improving cost efficiencies PolyOne Corporation Page 52 Medical Device Solutions  Catheters made using NEU™ View patent-pending technology are optically translucent, and have superior contrast under X-ray (radiopaque) when compared with alternative catheter materials  Formulations for cardiovascular and intravascular catheters are application-specific, incorporating medical-grade polymers, additives, color, and healthcare-centric manufacturing practices  Only commercially available product that has excellent visibility, both optically and under X-ray, to bolster clinician confidence and offer significant market advantage PolyOne Corporation Page 53 Consumer Electronics Solutions  Ability to offer multiple technology solutions on a global basis for this industry, where many OEMs design in one region, prototype in another, and manufacture in yet another  Sustainable / “green” solutions help customers to differentiate in this market  New formulations for emerging wearables market that meet skin contact requirements and aesthetic needs PolyOne Corporation Page 54 Building & 17% Electrical & 8% 19% At a Glance Global Specialty Engineered Materials 2013 Revenues: $0.6 Billion Solutions 2013 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 Q1 2014 2015 Operating Income % of Sales Target 43% 33% 11.6% PolyOne Corporation Page 55 Building & Electrical & Target At a Glance Global Color, Additives and Inks 2013 Revenues: $0.9 Billion Solutions Expanding Profits 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 Q1 2014 2015 Operating Income % of Sales 44% 37% 2013 Revenue by Industry Segment 13.8% PolyOne Corporation Page 56 At a Glance Designed Structures and Solutions Solutions 2013 Revenues: $0.6 Billion Expanding Profits 2.2% 8 - 10% 6.5% 2012 PF Q1 2013 Q1 2014 2015 Operating Income % of Sales 0.2% Target 96% 1% Building & 32% 26% 2013 Revenue by Industry Segment PolyOne Corporation Page 57 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 2006 2007 2008 2009 2010 2011 2012 2013 Q1 2014 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2013 Revenues: $0.8 Billion 81% 1% 9-12% Target 2013 Revenue by Industry Segment 8% Building & 4% Electrical & 1%Industrial 2015 7.7% PolyOne Corporation Page 58 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 Q1 2014 2015 Operating Income % of Sales 15.3% 46.0% 2006 Q1 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 Solutions 2013 Revenues: $1.1 Billion ROIC* Expanding Profits Target Building & Electrical & 24% 23% 6.1% http://www.avient.com/Pages/VariationRoot.aspx

 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 21 Appendix PolyOne Corporation Page 22 Recent Acquisitions Kraton TPE Assets Magenta Master Fibers  February 2016 – Acquired Kraton’s thermoplastic elastomer (TPE) assets  Serve personal care, medical, packaging (protective film) and electronics applications  Purchase price of $72 million represents a multiple of 9x EBITDA  Adds $35 million in annual revenue and $0.03 accretive to 2016 adjusted EPS  Expands GLS presence in consumer, healthcare, transportation, and packaging end markets  December 2015 – Acquired Magenta Master Fibers, an innovative developer of specialty color concentrates for the global fiber industry  Purchase price of $22 million represents a multiple of 6.8x EBITDA  Adds $16 million in annual revenue and $0.01 accretive to 2016 adjusted EPS  Broadens portfolio of colorant and additives technologies for fiber applications and extends existing reach into strategic end markets such as transportation and consumer goods Medical Baby Care Electronics Food Packaging Automotive Textiles Home Textiles Clothing Outdoor PolyOne Corporation Page 23 $0.82 $1.00 $1.31 $1.80 $1.96 $0.00 $0.75 $1.50 $2.25 2011 2012 2013 2014 2015 Adjusted EPS 2015 Full Year Financial Highlights  Color Additives & Inks operating margin reached record level of 16.7%  Specialty Engineered Materials operating margin grew 260 basis points year-over-year to 14.7%  Adjusted EPS has grown on average 24% per year since 2011 $50 $75 $104 $125 $135 $0 $40 $80 $120 $160 2011 2012 2013 2014 2015 CAI Operating Profit $46 $47 $57 $72 $80 $20 $40 $60 $80 $100 2011 2012 2013 2014 2015 SEM 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% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Color, Additives and Inks 2015 Revenues: $0.8 Billion Solutions Expanding Profits 2015 Revenue by Industry Segment 14.7% Platinum Vision 48% 33% Building & Electrical & 1% 31% Textiles PolyOne Corporation Page 25 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 14.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 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% 49% 29% Building & Electrical & 19% 15% PolyOne Corporation Page 26 1.4% 5.6% 7.3% 3.0% 12-14% 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Designed Structures and Solutions Solutions 2015 Revenues: $0.5 Billion Expanding Profits 2015 Revenue by Industry Segment Platinum Vision Appliances, Building & Construction Industrial 24% Packaging 19% Transportation 33% 97% PolyOne Corporation Page 27 Building & 31% Electrical & 1% 5% Transportation 19% Wire & Cable 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2015 Revenues: $0.7 Billion 10-12% Platinum Vision 2015 Revenue by Industry Segment 7.7% 79% 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% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Operating Income % of Sales 15% 53% 2006 Q4 2015 At a Glance Distribution Key Suppliers 2015 Revenues: $1.0 Billion ROIC Expanding Profits 6.1% Platinum Vision Building & 4%Consumer Electrical & 23% 24% http://www.avient.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.