NAME BASE RESIN(S) TARGET MARKETS AVAILABLE FEATURES1 Artisan™ Pre-Colored Thermoplastics PA Powersports, Lawn & Garden, Marine Customizable pre-color solutions Scratch & mar resistance Weatherability & UV resistance High impact resistance Chemical resistance Simplifies processing/replaces paint Tailored temperature performance range: -20°C to 105°C Global availability Complēt™ OnForce™ PA, PP, PPA, PPS, TPU Consumer, Transportation, Industrial Long fiber technology Elevated impact and mechanical properties at room temperature Increased performance at temperature extremes Excellent creep and fatigue resistance Glass and carbon fiber filled options Lubricated, fire retardant, and pre-colored options Edgetek™ Bergadur™ ABS, LCP, PA, PC, PC/ABS, PC/PBT, PC/PET, PC/PSU, PEEK, PES, PEI, POM, PPA, PPS, PSU Consumer, Transportation, Industrial Strength and durability Chemical resistance High impact resistance Weatherability Flame retardant grades: UL 94 V-0, V-1, V-2, and 5VA Pre-color solutions Lightweighting 5G properties - Dk/Df and 3D/LDS Gravi-Tech™ PA, TPU, TPE, PBT Consumer, Transportation, Industrial Customized density, from 1.5 to 11 gm/cm3 Broad modulus and strength: flexible to rigid Chemical and corrosion resistance Gravi-Tech™ LD light density grades available LubriOne™ PA, PBT, PC, PEEK, PEI, POM, PP, PPA, PPS, PS Transportation, Electrical & Electronics, Industrial Low coefficient of friction Self-lubricating Chemical, wear, and corrosion resistance Maxxam™ PP Consumer, Transportation, Electrical & Electronics, Industrial Homopolymer and copolymer grades Optional additives: UV, heat stabilizers Standard grades available in natural and black Maxxam™ FR PE, PP Consumer, Transportation, Electrical & Electronics, Industrial Flame retardant grades: UL 94 V-0, V-1, V-2, and 5VA Flame retardant masterbatches Elevated UL RTI ratings Halogen-free flame retardant grades available Nymax™ Nymax™ PIR Bergamid™ PA 6, 66, 612, 12, co-polymers Transportation, Building & Construction, Electrical & Electronics Toughened grades: medium and high impact Optional additives: heat stabilized, lubricated, impact modified, nucleated Standard grades available in natural and black Pre-colored solutions available PIR grades with 20%–100% recycled content, supporting the circular economy SPECIALTY ENGINEERED THERMOPLASTICS 1 See technical data sheets for complete product details 1 See technical data sheets for complete product details 2 From NEU™ Specialty Engineered Materials, LLC., a wholly-owned subsidiary of Avient Corporation NAME BASE RESIN(S) AVAILABLE FEATURES1 Trilliant™ ABS, LCP, PA, PC, ABS, PA 6, PA 66, PC/ABS, PC/PSU, PEBA, PEEK, PES, POM, PPA, PSU Certified to USP Class VI Formulations locked down Drug master file submissions by product stewardship Pre-colored, small lot production down to 50 lb–250 lb Sterilization, chemical resistance, and secondary process guidance Adherence to FDM-GMP manufacturing standards Antimicrobial technologies Materials for radiation shielding protection NEU™ Specialty Materials2 PEBA, TPU, PA 11, PA 12, PP, PE, TPE Radiopacifiers, stabilizers, and surface modifiers Antimicrobial technologies Pre-colored formulations Small lot capabilities Short lead times Versaflex™ HC TPE Overmolding Clear and heat resistant Ultra clear grades Ultra soft TPE gels, 30 shore OO FDA, USP Class VI, ISO 10993 approved grades Sterilizable under autoclave, radiation, and EtO gas Extrusion, injection, and blow moldable HEALTHCARE SPECIALTY THERMOPLASTICS NAME BASE RESIN(S) TARGET MARKETS AVAILABLE FEATURES1 reSound™ R Recycled Formulations PA6, PA66, PC Transportation, Consumer, Household Appliance, Electrical & Electronics, Industrial PA grades: Up to 100% recycled content PC grades: Up to 70% recycled content PIR and PCR grades available Support the circular economy Comparable performance to prime grades Customizable solution Surround™ ABS, PP, PBT, PC, PA 66 Transportation, Electrical & Electronics Integrated EMI/RFI shielding Long fiber technology Conductive properties Galvanic corrosion protection Lightweighting and ease of processing Stat-Tech™ ABS, PA, PC, PC/ABS, PC/PSU, PEEK, PEI, PES, PP, PPA Transportation, Electrical & Electronics Integrated EMI/RFI shielding Conductive properties Anti-static/dissipative properties Corrosion resistance Lightweighting and ease of processing Clean room materials for semiconductors available Therma-Tech™ LCP, PA, PEEK, PP, PPA, PPS Consumer, Transportation Thermally conductive Low coefficient of thermal expansion Corrosion resistance SPECIALTY ENGINEERED THERMOPLASTICS NAME BASE RESIN(S) TARGET MARKETS AVAILABLE FEATURES1 Barricade™ Elastomers with Fortrex™ Technology Barricade™ high-performance elastomers bring next genera- tion technology to market to bridge the gap between tradi- tional TPEs and silicone Healthcare, Industrial Aerospace, Appliances, Electronics High temperature compression set Processes on thermoplastic injection molding and extrusion equipment Customizable and colorable Process simplicity CROSSLINKABLE ELASTOMERS Barricade formulations leverage licensed Fortrex™ technology. Consumer, Packaging, Healthcare, Electrical & Electronics, Appliance Overmolding Clear and heat resistant TPEs Ultra clear grades Ultra soft TPE gels, 30 shore OO FDA, USP Class VI, ISO 10993 approved grades NSF and UL listings Sterilizable under autoclave, radiation, and EtO gas Extrusion, injection, and blow moldable GLS™ THERMOPLASTIC ELASTOMERS * Commercially available in North America only 1 See technical data sheets for complete product details NAME BASE RESIN(S) AVAILABLE FEATURES1 ECCOH™ Polyolefin Flame retardant, low smoke and fume, zero halogen (LSFOH) Cross-linkable grades Chemical, oil, and gel resistant Flexible, low friction, easy-peel, and high speed processing Compatible with Avient additives and color masterbatches FireCon™ CPE, CPE Alloy Low and medium voltage cable jacketing Flame retardant and 90°C deformation resistance Oil resistance RoHS grades available Maxxam™ FR PE, PP UL Yellow Card for plenum applications Halogen-free flame retardant grades available Maxxam™ SY Foamable PP co-polymer Easy processing Variety of final densities available Corrosion resistance Syncure™ XLPE High performance moisture cure technology UL bulletinized XHHW2 and VW1 Temperature, abrasion, and oil resistant WIRE AND CABLE SPECIALTY THERMOPLASTICS To learn more, please visit avient.com or call +1.844.4AVIENT (+1.844.428.4368).

VERSAFLEX™ PF Capa de adherencia Versaflex™ PF para películas de protección de superficies BOLETÍN TÉCNICO Propiedades Versaflex PF MD6727 Versaflex PF MD6741 Versaflex PF MD6649 Versaflex PF 9512 Versaflex PF MD6666 Versaflex PF MD6748 Versaflex PF MD6700 Características Baja adherencia Baja adherencia; se utiliza para ajustar el revestimiento con MD6700 Baja-media adherencia Oferta de valor Adherencia media Bajo contenido de gel/residuos Construcción de baja adherencia Alta adherencia Resistencia al desprendimiento Baja Baja-media Media Media-Alta Media-Alta Alta Alta Aplicaciones Películas ópticas Electrodomésticos Plásticos Construcción / Metales sin recubrimiento Metales acabados Acero/Metales pintados Metales sin recubrimiento MFR a 190 °C/2,16 kg -- 4,5 17 5,4 21 4,8 6,5 MFRa@ 230 °C/2,16 kg 10 20 -- -- -- -- -- Gravedad específica, g/cc 0,92 0,91 0,92 0,92 0,94 0,94 0,94 Dureza, Límite A 50 49 37 38 37 31 30 G' a 23 °C, Pa 28,0 x 105 10,4 x 106 8,3 x 105 -- 9,9 x 105 11,8 x 105 10,0 x 105 Tg DMA, °C -29 -30 -9 10 11 15 21 Película LDPE/Versaflex PF1 Desprendimiento de 180°, N/25 mm Acero inoxidable después de 20 minutos a 25 °C 0,5 2,2 3,2 6,1 6,7 8,5 8,6 después de 7 días a 25 °C 0,6 2,7 4,3 5,5 8,2 8,3 10,3 PMMA2 después de 20 minutos a 25 °C 1,1 1,7 3,8 4,9 6,9 8,3 8,8 después de 20 minutos a 75 °C 2,8 4,1 5,1 6,9 9,0 10,7 11,8 después de 7 días a 75 °C 4,0 4,4 5,9 9,8 8,4 9,8 10,3 Policarbonato3 después de 20 minutos a 25 °C 1,4 2,2 3,8 6,8 6,3 8,4 7,0 después de 20 minutos a 75 °C 3,4 4,8 6,7 8,8 8,8 10,0 11,8 después de 7 días a 75 °C 4,6 6,5 7,5 10,6 11,6 10,6 13,8 1 Grosor de la película: LDPE de 51 micras/Versaflex PF de 25 micras. 2 Arkema Plexiglas™ V052-100 (Plexiglas es una marca comercial de Arkema France Corp). 3 Sabic Lexan™ L52-111 (Lexan es una marca comercial de Sabic Innovative Plastics).

Catering oem CATERING OEM F O O D T R A Y S • FDA approval for food contact • Specific color • Must be able to withstand high heat/sanitization • Offered the specific desired color • Food contact grade • Customizable high-performance solution able to withstand multiple cleaning cycles with detergents • Provided commercial, technical, and operational excellence support Colorant Chromatics PES Green Color- Concentrate KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates/colorant-chromatics-pes/psu/ppsu-colorants Slide 1: Catering oem

Cosmetic packaging manufacturer COSMETIC PACKAGING MANUFACTURER L I P G L O S S T U B E T I P • Excellent clarity and high fluidity • FDA thermoplastic elastomer • Overmolds to PE as good sealing performance • Met customer’s design requirements, such as a skin-like feel • Offered transparent appearance • Met FDA 21 compliance • Overmolded onto PE compared with silicone OnFlex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

Attending and Voting at the Annual Meeting PROXY SUMMARY Company Operating Performance Our Company Culture PROXY SUMMARY Impact of Our Performance on Named Executive Officer 2018 Compensation Annual Incentive Plan 2018 Annual Incentive Program Payouts Named Executive Officer 2018 Target Opportunity ($) Payout (%) Payout ($) Long-Term Incentive Program 2016 – 2018 Cash-Settled Performance Units Performance Measure: Adjusted EPS Performance Periods Weighting Target Result Payout % PROXY SUMMARY Our Director Nominees and Committee Membership Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership* (M=Member, C=Chair) AC CC N&GC EH&SC PROXY SUMMARY Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership* (M=Member, C=Chair) AC CC N&GC EH&SC Average Tenure Average Age Gender Diversity 5.25 59 30% Governance Highlights Director Independence Independent Lead Director PROXY SUMMARY Board Oversight of Risk Management Stock Ownership Requirements Board Practices PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 28, 2019 ELECTION OF BOARD OF DIRECTORS PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS Our Board recommends a vote FOR all the nominees listed below.

TIER 1 AEROSPACE SUPPLIER S E A T I N G S T R U C T U R A L C O M P O N E N T • Reduce weight to improve fuel economy • Pass FAA flame, smoke, toxicity requirements • Meet structural requirements • Simplify manufacturing process • Lowered weight ~40% versus aluminum while maintaining the strength performance properties • Formulated a PES material to satisfy flame, smoke, toxicity (FST) standards for commercial aircraft • Passed and/or exceeded customer’s impact testing specifications • Provided an injection moldable hybrid glass/carbon fiber solution that enabled lower viscosity and better processability for thin wall parts Complēt™ Long Hybrid (Carbon + Glass) Fiber Reinforced PES Composite KEY REQUIREMENTS WHY AVIENT?

Van Hulle Page 53 United States 33% Europe 47% Canada Asia 12% Latin America Eastern Europe 2% 2011 Revenue: $0.7 Billion*2011 Revenue: $0.7 Billion* SolutionsSolutions At a Glance Global Color, Additives, and Inks Building & Construction 11% Wire & Cable 15% Consumer 6% Packaging 36% Industrial 10% Misc. 7% HealthCare 3% Transportation 6% Textiles 6% Canada 1% Latin America 5% 2011 Revenue by Industry Segment*2011 Revenue by Industry Segment* *Pro forma for the acquisition of ColorMatrix Expanding ProfitsExpanding Profits 1.7% 4.6% 5.1% 5.5% 7.1% 9.6% 12-16% 2006 2007 2008 2009 2010 2011PF 2015 Operating Income % of Sales Target Page 54 Value Proposition • GCAI is a global leader enabling OEMs and converters to profitably expand their business with customized color and additive solutions Transformation Highlights • Mix improvement and value-based selling has Value Proposition and Transformation Highlights Global Color, Additives, and Inks • Mix improvement and value-based selling has driven nearly 800 basis points increase in operating margin since 2006 • 2011 acquisition of ColorMatrix accelerates innovation pipeline and expansion into new markets > $12B Addressable Market Page 55 • Unbiased, solution-based culture selling value �Customer-centric approach � Economic value impact documented for customers • Complete package, product range and service offering �Custom solutions for customers’ unique requirements Key Differentiators Global Color, Additives, and Inks �Custom solutions for customers’ unique requirements � Industry-leading service offering • Coordinated global infrastructure �Consistency in product and customer service � Supply-chain reliability Page 56 From Volume Commodity white dominated mix To Value Focus on specialty color Global Film Customer Volume Revenue Gross Margin $ Mix Transformation – Executing the Strategy Global Color, Additives, and Inks 2010 2011 2010 2011 2010 2011 Page 57 Global Packaging Customer Volume Sales Gross Margin $ From Volume Commodity white dominated mix To Value Focus on specialty color Mix Transformation – Executing the Strategy Global Color, Additives, and Inks 2010 2011 2010 2011 2010 2011 Page 58 • OnColor™ HC Plus � Applications: Medical devices � Customer benefits: Brand enhancement, expanded market opportunities, speed-to-market • WithStand™ Antimicrobial Solutions � Applications: Healthcare devices, appliances, kitchen utensils Key Innovations Global Color, Additives, and Inks � Applications: Healthcare devices, appliances, kitchen utensils and surfaces, children’s toys � Customer benefits: Expanded market opportunities, extended product life • OnCap™ Antifog � Applications: Food packaging � Customer benefits: Extended shelf life, improved product aesthetics, production efficiencies Page 59 • $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 Market Opportunity Shelf-life extension Greater product consistency Weight reduction Performance Additives Global Color, Additives, and Inks the environment Leading Global Supplier of Additives In Fast Growing PET Market consistency Recyclability and reduced carbon footprint Color and special effects 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 Page 60 HyGuardTM Oxygen Barrier System • Applications: Beverage containers, food packaging • Function: Active scavenging system for ColorMatrix Innovation Global Color, Additives, and Inks • Function: Active scavenging system for oxygen-barrier improvement • Customer benefits: Extended shelf-life, light-weight, recyclable Page 61 ColorMatrix Innovation Global Color, Additives, and Inks ExceliteTM Foaming Agent • Applications: Vinyl sheet for digital printing • Function: Chemical foaming agent for weight reduction • Customer benefits: Increased product quality, operational efficiencies Page 62 Joule RHBTM Advanced Reheat Technology • Applications: PET containers • Function: Infra-red absorber for improved ColorMatrix Innovation Global Color, Additives, and Inks • Function: Infra-red absorber for improved • Customer benefits: Sustainability, operational and energy savings reheating efficiency Page 63 • Accelerate customer development pipeline with OnColor™ HC Plus • Provide solutions addressing infection concerns in healthcare facilities Areas of Focus Global Color, Additives, and Inks $8.7 $20.0 Healthcare 2006 2011PFconcerns in healthcare facilities • Help customers expand into new markets with HyGuard™ technology • Extend food shelf life and consumer appeal with OnCap™ Anti-Fog $130.2 $268.0 2006 2011PF Packaging 2006 2011PF (Revenue in $ millions) 2006 2011PF 2006 2011PF Page 64 Critical Imperatives and 2015 Goal Global Color, Additives, and Inks Critical Imperatives • Integrate and leverage ColorMatrix technology and customer relationships • Identify and focus on specialty applications within our target markets • Accelerate global expansion and profitability improvements in emerging markets, leveraging success in U.S. and Europe 2015 Goal • 12 - 16% return on sales Page 65 Page 66

Level 5 7.62mm rifle lead core full metal copper jacket, military ball 2750 ft/sec 838 m/sec 1 Level 6 Level II 9mm full metal jacket with lead core 1400 ft/sec 427 m/sec 5 Level 7 5.56mm rifle full metal copper jacket with lead core 3080 ft/sec 939 m/sec 5 Level 8 Level III 7.62mm rifle lead core full metal copper jacket, military ball 2750 ft/sec 838 m/sec 5 * Class 3.7 (Contraband) and Class 5.0 (Body) Forced Entry Physical Attack Ratings per ASTM F1233-21 Width Length Thickness Color LEVEL 1 GlasArmor Panels 36 in/91 cm 96 in/244 cm 0.256 in/6.5 mm Natural 36 in/91 cm 120 in/305 cm 48 in/122 cm 96 in/244 cm 48 in/122 cm 108 in/274 cm 48 in/122 cm 120 in/305 cm LEVEL 2 GlasArmor Panels 36 in/91 cm 96 in/244 cm 0.384 in/9.8 mm Natural 36 in/91 cm 120 in/305 cm 48 in/122 cm 96 in/244 cm 48 in/122 cm 108 in/274 cm 48 in/122 cm 120 in/305 cm LEVEL 3 GlasArmor Panels 36 in/91 cm 96 in/244 cm 0.500 in/12.7 mm Natural 36 in/91 cm 120 in/305 cm Natural 48 in/122 cm 96 in/244 cm Natural, Grey, White, Tan 48 in/122 cm 108 in/274 cm Natural, Grey 48 in/122 cm 120 in/305 cm Natural, Grey, White ThermoBallistic Panels 24 in/61 cm 96 in/244 cm 0.44 in/11.2 mm White, Grey, Blue 24 in/61 cm 144 in/366 cm 48 in/122 cm 96 in/244 cm 48 in/122 cm 144 in/366 cm BALLISTIC PANEL SELECTION GUIDE Customized panel sizes and colors available.

GEON P505 WHITE 1222 DB3826 WHITE ALMOND CC

PEARL WHITE PEARL WHITE BLACK CC RP7D00