 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 16 Appendix PolyOne Corporation Page 17 $0.20 $0.28 $0.36 $0.49 $0.54 $0.00 $0.15 $0.30 $0.45 $0.60 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 Adjusted EPS Q3 2015 Financial Highlights  Color Additives & Inks operating margin reaches record third quarter level of 17.3%  Specialty Engineered Materials operating margin grew 210 basis points year-over-year to 14.7%  Third quarter adjusted EPS has grown on average 28% per year since 2011 $13 $19 $29 $30 $35 $0 $10 $20 $30 $40 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GCAI Operating Profit $11 $13 $15 $18 $20 $10 $14 $18 $22 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GSEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 18 Appliances 2% Building & Construction 12% Consumer 7% Electrical & Electronics 1% Healthcare 6% Industrial 14% Packaging 31% Textiles 7% Transportation 8% Wire & Cable 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 17.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 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% Platinum Vision United States 44% Europe 36% Canada 2% Asia 12% Latin America 6% PolyOne Corporation Page 19 Appliances 4% Building & Construction 3% Consumer 18% Electrical & Electronics 16% Healthcare 12% Industrial 8% Packaging 5% Transportation 20% Wire & Cable 12% 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% 15.1% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision 12.1% United States 44% Europe 33% Canada 2% Asia 19% Latin America 2% PolyOne Corporation Page 20 Appliances 2% Building & Construction 8% Consumer 5% Healthcare 6% Industrial 23% Packaging 27% Transportation 30% United States 96% Canada 4% 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% 3.5% 12-14% 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 21 Appliances 8% Building & Construction 33% Consumer 5% Electrical & Electronics 3% Healthcare 1% Industrial 11% Packaging 5% Transportation 18% Wire & Cable 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.1% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% United States 80% Canada 14% Asia 2% Latin America 4% PolyOne Corporation Page 22 Appliances 6% Building & Construction 5% Consumer 13% Electrical & Electronics 6% Healthcare 23% Industrial 15% Packaging 4% Transportation 25% Wire & Cable 3% 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 YTD 2015 2020 Operating Income % of Sales 15% 52% 2006 Q3 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 23 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 24 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  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  113 trained Black Belts  235 trained Green Belts  151 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 25 Application Examples PolyOne Corporation Page 26 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 27  $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 28 • 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 29 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 30 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 31 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 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 Page 33 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. Appendix Q3 2015 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 Application Examples Outdoor Applications Slide Number 27 Authentication Technology 2015 Range Rover Evoque Interior Slide Number 30 Metal Replacement Solutions High-Barrier Packaging Containers Aerospace Applications Baird Non GAAP Rec.pdf Baird - November 10, 2015

AVIENT ADVANCED COMPOSITES OVERVIEW LOWER ENERGY COSTS Requires less energy during installation and use INCREASE COMPETITIVE ADVANTAGE Customizable solutions for specific application needs REDUCE PRODUCT LIFECYCLE COSTS Lower installation time, as well as warranty and �part replacement � expenses EXTEND PRODUCT LIFETIME Corrosion, flame, fatigue and UV resistant for improved durability DESIGN STRONG, LIGHTER WEIGHT COMPONENTS Up to 75% lighter than steel and up to 25% lighter than aluminum ADVANCED COMPOSITES An exceptional alternative to traditional materials such as wood, ceramic and metal, advanced composite solutions enable designers to: • Design lighter weight structural components for increased lifetime performance and improved fuel efficiency—higher strength-to-weight ratios to exceed the structural performance of traditional materials while significantly reducing weight—up to 75% lighter than steel and up to 25% lighter than aluminum • Extend product lifetime to reduce part replacement and decrease warranty expenses— the corrosion, weather, flame and fatigue resistance of composite solutions improve component durability • Reduce product lifecycle costs—the extended product lifetime, along with the potential for reduced installation time and cost due to the lighter weight of composite solutions, significantly reduces the associated cost over the lifetime of a part • Lower energy costs—by leveraging a higher strength-to-weight ratio, composite solutions allow designers to engineer products that require less energy or power during installation and use • Increase competitive advantage—Avient advanced composite solutions can be customized to provide electrical insulation, thermal insulation, radiopacity, low thermal expansion, flexural memory and load damping, while delivering desired performance and aesthetic specifications TRANSPORTATION Truck floors, liners and aerodynamic components, rail car doors and panels, automotive structural solutions, leaf springs, traffic safety markers and delineators, air cargo unit load devices (ULDs) The Avient advanced composites portfolio offers customized solutions to serve a full range of markets and industries, including: USES & APPLICATIONS ENERGY Wind turbine blade stiffening components, sucker rods, oil & gas production solutions BUILDING & CONSTRUCTION Structural blast protection, garage doors, modular construction, temporary shelters, architectural columns, concrete and masonry reinforcements, pipe reinforcement HEALTHCARE External orthopedic fixators, endoscopy wands, prosthetics MARINE Panels for decking, bulkheads, cabinets, doors, transoms, ceilings; reinforcements for stringers; sail battens CONSUMER & RECREATION Archery bow limbs and risers, furniture springs, diving board springs, golf flagpoles, snowsports equipment, sporting stick shafts, paddle shafts, lightweight and extendable mast structures ELECTRICAL & TELECOMMUNICATIONS Utility poles and cross-arms, high voltage transmission & distribution insulator cores, surge arresters, bus bar covers and electrical tool components INDUSTRIAL Pallet stiffeners, pipe reinforcement, conveyor springs, dock shelters PROCESSES & CAPABILITIES Avient’s reinforced composite technologies use carbon, glass and aramid fibers with custom formulated thermoset or thermoplastic resins in continuous forming processes.

We believe that our ongoing commitment to protect the environment, to remain at the forefront of fiber and coating technology, and to ‘treat others as we want to be treated’ will continue to drive the success of our customers, shareholders, and employees.

PRODUCT SELECTION GUIDE WIRE & CABLE SOLUTIONS Specialty Engineered Materials High performance insulation, jacketing, and cross-web formulations for the wire and cable industry Syncure™ XLPE Cross-linkable Polyethylene Formulations • Ambient curing • Flame performance • Resistant to heat, oil, creep, & abrasion • Low temperature properties • Low capital investment • High extrusion speeds • DBDPE-free grades available • UL/CSA bulletins Maxxam™ FR Flame Retardant Polyolefin Formulations • FEP alternative • Fire performance • UL 444 & plenum yellow card compliance • Low dielectric • High extrusion speeds • Thin wall extrudability Maxxam™ SY Foamable Flame Retardant Formulations • Low dielectric • Uniform cell structure • Crush & heat resistance • Ease of chemical foaming ECCOH™ Low Smoke and Fume Non-Halogen Formulations • Improved fire safety • Low smoke, fume, non-halogen (LSFOH) formulations • Chemical resistance ECCOH™ XL Cross-Linkable Solutions • Non-halogen, low smoke, toxicity, & corrosiveness • Excellent mechanical & electrical properties • Easily processed • Operating temperature of 90°C • Moisture cure technology Synprene™ Flame Retardant Thermoplastic Elastomers • Flexibility • Flame performance • Low temperature brittleness (LTB) resistance • Chemical resistance • Easily colored FireCon™ CPE Insulation Jacketing Formulations • Resistance to harsh environments • Low temperature performance • Flame performance • High extrusion speeds • Sunlight resistance FEATURES SPECIFICATION ECCOH™ XL 8148 Non-halogen, low smoke, toxicity, & corrosiveness EN50618 Syncure™ S100FH Horizontal flame UL 44 Syncure™ S100FH-XUV Horizontal flame, UV resistant UL 44 Syncure™ S100FH-UV Horizontal flame, FV-1 flame, UV resistant UL 44, UL 4703 Syncure™ S100FV VW-1 flame UL 44 Syncure™ S100FV-UV VW1, UV resistant UL 44 Syncure™ S112NA Non-flame retardant CSA 22.2 Syncure™ S120NA Non-flame retardant NSF 61 Syncure™ S200FH Horizontal flame, DBDPE-free UL 44 Syncure™ S200FV VW-1, DBDPE-free UL 44 INSULATION FOR POWER CABLE SYSTEMS Low Voltage Power Cables • Flame performance • Resistance to heat, oil, creep, & abrasion • Low temperature performance • Low capital investment • High extrusion speeds INSULATION & CROSS-WEBS FOR DATA CABLE SYSTEMS Category Cables • FEP alternative • Flame performance • Low dielectric constant • High extrusion speeds & thin wall capability • Chemical resistance • Low temperature performance • Flexibility FEATURES SPECIFICATION Maxxam™ FR 0521-48 R1 Low smoke & fume, non-halogen UL 444 Maxxam™ FR 0587-21 R3 Halogenated to plenum performance UL 444 Optical Fiber Cables • Resistance to harsh environments, chemicals, & sunlight • Low temperature brittleness (LTB) resistance • Low smoke & toxicity • Flexibility • High extrusion speeds FEATURES SPECIFICATION ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen Meets customer-specific flame requirements Coaxial Cables • Flexibility • High extrusion speeds • Low dielectric constant • Uniform cell structure • Crush & heat resistance FEATURES SPECIFICATION Maxxam™ SY 89-22-7 Foamable Meets customer-specific flame requirements JACKETING FOR POWER & DATA CABLE SYSTEMS Low & Medium Voltage Jacketing • Resistance to harsh environments, chemicals, & UV degradation • Low temperature brittleness (LTB) resistance • Low smoke & toxicity • Flexibility • High extrusion speeds • Easily colored FEATURES SUBMARKETS & USES FireCon™ CPE 30-33 RoHS Black Flame retardant, flexible Building & construction, industrial, nuclear FireCon™ CPE 37-36 RoHS Black Flame retardant, flexible Building & construction, industrial, nuclear FireCon™ CPE 30-20 RoHS Natural Flame retardant, flexible Building & construction, industrial, nuclear ECCOH™ 5549 UV Low smoke & fume, non-halogen, flame retardant Building & construction, industrial ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen, flame retardant Optical fiber, ducts ECCOH™ 5981 UV Low smoke & fume, non-halogen, flame retardant Industrial, Teck 90 wire Synprene™ RT5180 Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT5180UV Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT3870M Flame retardant, LTB resistance Building & construction, industrial 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.

These materials utilize long fiber technology and exhibit enhanced shielding effectiveness versus standard short fiber conductive polymers.

These factors may include, among others: business or professional experience; knowledge and skill in certain specialty areas such as 2 accounting and finance, international markets, physical sciences and technology, or the specialty materials industry; personal characteristics such as ethical standards, integrity, judgment, leadership, and the ability to devote sufficient time to the affairs of the Company; substantial accomplishment with demonstrated leadership capabilities; freedom from outside interests that conflict with the Company’s best interests; the diversity of backgrounds and experience they will bring to the Board, including diversity with respect to race, gender, national origin, ethnicity, nationality, and sexual orientation, as well as differences in viewpoint, background and skill; and the needs of the Company from time to time. • When identifying nominees for election to the Board, the Committee will include, and will request that any search firm it engages include, qualified female and racially/ethnically diverse persons in the initial pool from which director nominees are chosen.

These factors may include, among others: business or professional experience; knowledge and skill in certain specialty areas such as accounting and finance, international markets, physical sciences and technology, or the specialty materials industry; personal characteristics such as ethical standards, integrity, 2 judgment, leadership, and the ability to devote sufficient time to the affairs of the Company; substantial accomplishment with demonstrated leadership capabilities; freedom from outside interests that conflict with the Company’s best interests; the unique backgrounds and experience they will bring to the Board, including differences in viewpoint, background and skill; and the needs of the Company from time to time.

Its site in Knowsley UK employs ~128 associates within manufacturing, technology, regulatory, marketing and administration with sales supplying customers and affiliates within locations based within Europe, the Americas, the Middle east, Asia and Africa.

GLS has focused its R&D efforts on the chemistry and technology of developing overmolding compounds to virtually any substrate. Finally, these novel TPEs for engineering thermoplastics contribute valuably to our ever- expanding portfolio of technologies that offer our customers differentiated solutions for various applications in the consumer market.

In general, nominees are selected on the basis of the following criteria, among others: business or professional experience; knowledge and skill in certain specialty areas such as accounting and finance, international markets, physical sciences and technology, or the specialty materials industry; personal characteristics such as ethical standards, integrity, judgment, leadership, and the ability to devote sufficient time to the affairs of the Company; substantial accomplishment with demonstrated leadership capabilities; freedom from outside interests that conflict with the Company’s best interests; the diversity of backgrounds and experience they will bring to the Board, including diversity with respect to race, gender, national origin, ethnicity, nationality, and sexual orientation, as well as differences in viewpoint, background and skill; and the needs of the Company from time to time. The Board has delegated specific risk oversight responsibility to the committees of the Board as follows: (i) the Audit Committee oversees risks related to the Company’s financial statements, financial reporting processes, internal controls, information technology, and cybersecurity; (ii) the Compensation Committee oversees risks related to the Company’s compensation programs; (iii) the Governance and Corporate Responsibility Committee oversees risks related to the Company’s programs, policies, and practices related to certain sustainability and governance matters, including a review of the Company’s Sustainability Report; and (iv) the Environmental, Health and Safety Committee oversees risks related to safety, health, physical security, environmental, and product stewardship matters.