In addition, the acquisition of Clariant’s color business in July 2020 has been transformational to our portfolio and helped us become the specialty formulator we are today. Full Year Comparisons Pro Forma for Acquisition of Clariant’s Color Business The company acquired Clariant’s color (“Clariant Color”) business on July 1, 2020 (the “Acquisition Date”). See Attachment 3 for a definition and summary of special items and Attachment 7 for a summary of pro forma adjustments associated with the Clariant Color Acquisition necessary to reflect Clariant Color adjusted results in all periods presented.

Ripcords • Lubricated, color coated, various fibers • Rips through any material including steel armor • Made from Kevlar, Vectran LCP or PET polyester 12. T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Growing leadership position in attractive markets  Innovation, technology and service are differentiators  Capital management is a strength: Record-setting cash generation to continue for years  Expand ROIC while increasing invested capital  Proven acquisition strategy with robust pipeline  Commercial investments are fueling momentum and generating organic growth SERVICE: T H E T I M E L E S S D I F F E R E N T I A T O R PolyOne Corporation 31 T A L E N T D E V E L O P M E N T PolyOne Corporation 32 Leadership Program Participants 2012 2013 2015 47 86 2016 125 169 315 Campus Hires 2008 2011 2017 25 47 PolyOne LSS Blackbelts 2008 2011 67 220 147 2018 141 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design IQ DESIGN LABS PolyOne Corporation 33 Material & Color Expertise Manufacturing Expertise 14 Industrial designers $0 $10M $4M $80M Opportunity funnel New business revenue LSS CUSTOMER FIRST PolyOne Corporation 34 Customer Projects Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2 104 3 D P R I N T I N G B R I N G I N G N E W I D E A S T O L I F E PolyOne Corporation 35 Enables validation of fit and function Shortens design cycle and time to market Avoids tooling rework Drives innovation Delivers substantial customer value PolyOne Corporation 36 From concept to production 99.9% Reduction in turnaround time Traditional Timeline up to 24 weeks PolyOne ColorMatrix Select™ 6 hours Innovative system for processors and OEMs to develop colors in real time Complete system that provides customers with the freedom to match, prototype and produce color entirely within their own facility C O L O R M A T R I X S E L E C T ™ “Being able to create color and produce parts in 1 day is unheard of in this industry” -CEO, Industry Leader I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 37 SEGMENT HIGHLIGHTS C O L O R , A D D I T I V E S & I N K S PolyOne Corporation 38 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants 28% Industrial 14% Textiles Building & Construction 10% Appliances Electrical & Electronic 1% Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 8 R E V E N U E | O V E R $ 1 B I L L I O N $4 $25 $104 $159 0.9% 5.5% 12.2% 15.1% 14.0% 16.0% 100 110 120 130 140 150 160 170 PolyOne Corporation 39 Europe 35% 45% 14% 1% Mexico South America S P E C I A L T Y E N G I N E E R E D M A T E R I A L S PolyOne Corporation 40 Engineered Formulations Advanced Thermoplastic Elastomers 21% 13%Healthcare Building & Construction 4% Electrical & Electronics S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 8 R E V E N U E | $ 6 4 6 M I L L I O N PolyOne Corporation 41 $21 $57 $72 0.1% 5.1% 9.3% 11.2% Europe 28% 46% 24% P E R F O R M A N C E P R O D U C T S & S O L U T I O N S PolyOne Corporation 42 Specialty Vinyl Solutions Healthcare Formulations Smart Device Flame Retardant Polymers Building & 28% 17% 16%Consumer Electrical & Asia 78% Mexico P E R F O R M A N C E P R O D U C T S & S O L U T I O N S Operating Income & MarginRevenue by Region 2 0 1 8 R E V E N U E | $ 7 3 6 M I L L I O N $40 $24 $56 $74 4.6% 3.6% 7.2% 14.0% 16.0% 10 100 PolyOne Corporation 43 D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S PolyOne Corporation 44 27% 22% Electrical & Building & $20 $25 $63 $71 2.9% 5.9% 5.6% 1.0% 3.0% 5.0% 7.0% 15 25 35 45 55 65 75 Operating Income & Margin2018 Revenue | $1.3 Billion http://www.polyone.com/Pages/VariationRoot.aspx O V E R V I E W O F R A W M A T E R I A L P U R C H A S E S PolyOne Corporation 45 Performance Additives PVC Pigments Polyethylene Plasticizers Polypropylene TiO2 Nylon Styrenic Block Copolymer Other Raw 27% $1.3 billion of raw material purchases in 2018 excluding Distribution business Note: All figures exclude Distribution business T A R G E T E N D M A R K E T S & A P P L I C A T I O N E X A M P L E S PolyOne Corporation 46 Thermally Conductive Chemical Resistant Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Target End Markets… Healthcare Catheter Technologies Under-hood Components Target End Markets… Automotive Interior Structural Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps Target End Markets… Consumer Thermally Conductive Polymer Colorants Elastomeric Grips and Handles Structural Composite Oxygen Scavenger Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Antioxidant Technologies Density Modified Target End Markets… Packaging  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  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 OnColorTM Super Concentrates  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 Combat Bacteria Formation WithStandTM Antimicrobial Technology  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 Medical Device Housings Chemically Resistant Engineered Polymers 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 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  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 Fiber Colorants 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 shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results. Service:�The Timeless differentiator Talent development IQ DESIGN LABS LSS CUSTOMER FIRST 3D Printing�Bringing New ideas to life Slide Number 36 Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials Performance Products & Solutions Performance Products & Solutions DISTRIBUTION Overview of RAW MATERIAL PURCHASES Target end markets & �application examples Slide Number 47 Slide Number 48 Slide Number 49 Slide Number 50 Slide Number 51 Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55 Slide Number 56 Slide Number 57

MUSIC ACCESSORIES OEM G U I T A R P I C K S • Achieve colors that provide enhanced visibility in low-light environments • Shorten the product development time to accelerate speed to market • Create a framework of accessibility-focused picks that meet quality and performance standards • Provided onsite exploration using color theory and trend research to develop three color options for use in dimly lit environments or by people with low vision • Expedited the process with rapid color matching, iterations, and approvals, allowing time for additional matches to be explored • Developed specific colors that met all quality standards and offered unique, vibrant, and fun options ColorWorks™ Design Center, Phoenix, AZ KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COLOR + ACCESSIBILITY LEARN MORE Copyright © 2024, Avient Corporation.

& European climates for an extended period • Maintain color stability and resist brittleness for a minimum of 3 years • Reliable supplier with good product quality and stable supply • Offered a UV stabilizer for PP multi-filament yarn • Delivered good light fastness • Provided cost effectiveness by combining colorant and UV additive solutions • Had in-house Q-Lab UV (QUV) tester to meet strict customer standards Smartbatch Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives Slide 1: Pp Multi-filament manufacturer

SERVICES OVERVIEW COLORANTS & ADDITIVES VALUE-ADDED SERVICES At Avient, our goal is to provide premier colorant and additive technologies paired with world-class services that support our specialized and sustainable solutions. From color design services to on-site technical support, we’re with you every step of the way. They use an onsite collaborative approach to accelerate and streamline the product development process, from initial consultation through the translation of ideas into colors, shapes or effects.

E L E C T R I C H A I R C L I P P E R S HAIRSTYLING APPLIANCE MANUFACTURER • Regulatory – UL rated flame retardancy • High stiffness and impact resistance • Excellent surface appearance • Colorability/color matching – specific black color • Provided color matching expertise to match glass fiber reinforced formulation to specific customer requirement • Enabled customer to diversify into a new market with a new design of hair clipper for consumers • Developed material quickly - three months from brief to production Bergamid™ A700 glass reinforced flame retardant formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION REGULATORY + COLORABILITY LEARN MORE Copyright © 2022, Avient Corporation.

APPLIANCE MAKER F O O D H A N D L I N G & C O O K I N G C O M P O N E N T S • Minimize yellow / amber color tone of PEI and PES that detracts from the perception of quality for cooking and food service appliances • Maintain inherent heat and steam resistance of PEI and PES • Food contact compatibility • Colorants counteracted yellow tones without sacrificing heat and steam resistance • Achieved a more intense blue-gray shade that reinforces appliance quality and cleanliness and improves perception of the food Colorant Chromaticsä Precolor and Masterbatch Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION APPEARANCE + PERFORMANCE LEARN MORE Copyright © 2020 Avient Corporation, All Rights Reserved https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates

Polymer science, industry-leading expertise with colors and additives, and our in-house color design service make us a powerful collaborator during bottle design, manufacturing, and product marketing. With our color and design support, your bottle can get noticed quickly. Design support • Color consulting • Special effects colorants 3 • ISBM and multi-layer EBM prototyping • Testing • Operations support REDUCE ENVIRONMENTAL FOOTPRINT Meet your objectives for environmental responsibility.

PRODUCT BULLETIN Stan-Tone™ Colorants Urethane Paste Colorants (PEP & ET) Stan-Tone™ PEP polyester urethane paste colorants are select organic and inorganic pigments dispersed in diethylene glycol adipate. These colorants are compatible with polyester systems, reacting to become part of the final cured product. These colorants are highly compatible with polyether systems, reacting to become part of the final cured product.

Color & Additive Solutions for Biopolymers In recent times, interest in using biopolymers has grown in several industry sectors. Color & Additive Formulations for Biodegradable Resins & Blends Using a selected list of pigments and additives, Avient color experts know how to enhance biodegradable starch blends or PLA without affecting degradability of the resins. Starch blend resins often vary from white to brown and this can influence the final color rendering in the application.