OnColor™ FX™ Special Effect Colorants OnColor™ FX Special Effect Colorants

In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans. • A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 0.56 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 C O M M O D I T Y T O S P E C I A L T Y T R A N S F O R M A T I O N PolyOne Corporation 6 • Volume driven, commodity production • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures • Shift to value-based selling & an innovative culture • New leadership team appointed • Implementation of four pillar strategy • Investment in commercial training and innovation • Faster growing, high margin focus • Accelerated growth with world class vitality index • Significant commercial resource additions • Expanded margins with specialty focus • Acquired strategic, bolt-on companies to expand technology offerings and improve geographic breadth Volume Value Transformation The Future 2006 - 2013 2013 – 20192000-2005 2006 - 2013 • Landmark portfolio transformation creates specialty growth company • Sustainability / mega- trends drive above market growth 2020 and Beyond PolyOne Corporation 7 P O L Y O N E 2 0 1 9 R E V E N U E | $ 2 . 9 B I L L I O N Segment End Market Geography Transportation 15% Healthcare 15% Industrial 14% Packaging 13% Consumer 12% Wire & Cable 11% Building & Construction 6% Electrical & Electronics 6% Textiles 5% Appliance 3% Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Europe 19% Asia 11% Latin America 11% Canada 5% P R O O F O F P E RFO RMAN CE C O N S E C U T I V E Y E A R S 10 A D J U S T E D E P S E X P A N S I O N PolyOne Corporation 8 $1.69 $1.51 S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 9 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 5-7% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 710 1,042 130 164 208 504 663 880 2014 2018 2019E PF* R&D / Technical Marketing Sales PolyOne Corporation 10 + 34% + 26% + 32% E X P A N S I O N O F COMMERCIAL RESOURCES D R I V I N G G R O W T H $2.9 $2.9 $3.5 2015 2016 2017 2018 2019E PF Total + 9% Organic + 5% Revenue in Billions Total + 10% Organic + 7%+ 47% + 27% + 33% $4.0 $3.2 2019E PF* * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 11 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 12 Investments in digital and dedicated inside sales to improve customer experience 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 33 2014 2019 Inside sellers $11M $87M 2014 2019 Inside sales/digital revenue A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection R E V E N U E F R O M S U S T A I N A B L E S O L U T I O N S PolyOne Corporation 14 2016 2017 2018 2019 Lightweighting Reduced Material Requirements Improved Recyclability Renewable Energy Applications Eco-conscious Bio-derived Content Reduced Energy Use VOC Reduction $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth I N N O V A T I O N PolyOne Corporation 15 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 12% 37% 2006 2019 $20 $51 2006 2019 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 16 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives PlastiComp Fiber-Line I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E M A T E R I A L S Glass Carbon Aramid Thermosets Thermoplastics PolymersFibers PolyOne Corporation 18 Focused End Markets • Wire & Cable / Electrical • Consumer • Transportation • Industrial C O M P O S I T E S P O R T F O L I O D I V E R S E C A P A B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U F A C T U R E R S A N D O E M S PolyOne Corporation 19 LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 20 1. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 256 309 At Acquisition Today $36 $100 At Acquisition Today 9% 19% At Acquisition Today Established Acquisitions (> 7 years) + 20% + 165% + 1000 bps CLARIANT MASTERBATCH ACQUISITION DRIVES NEXT LEVEL SPECIALTY TRANSFORMATION ACCELER ATING GR OWTH WITH SUSTAINABLE SOLUTIONS T R A N S F O R M A T I O N H E A D L I N E S PolyOne Corporation 26 F I T W I T H F O U R P I L L A R S T R A T E G Y PolyOne Corporation 27 Specialization • Innovation-led organization with heavy emphasis on R&D • World-class expertise in color formulation • Strong presence in specialty end markets including Consumer, Packaging and Healthcare Globalization • Diverse geographic portfolio with an established presence in every major region • Expands PolyOne’s ability to serve customers in key growth areas including India, China and Southeast Asia Operational Excellence • Extensive manufacturing footprint with 46 facilities • Organizational focus on optimizing supply chain to better serve customers • Color design expertise Commercial Excellence • Value-focused salesforce with vast experience marketing and commercializing specialty technologies • Diverse customer portfolio with established OEM’s People Experienced and talented associates with a winning mentality E N D M A R K E T T R A N S F O R M A T I O N PolyOne Corporation 28 Building & Construction 5% 2006 2019E PF* 4% 12% 10% 18% 8% 20% 2006 2019E PF* Healthcare Consumer Packaging 50% 22% High Growth End Markets Percentage of Total Revenue 38% * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business E N D M A R K E T T R A N S F O R M A T I O N PolyOne Corporation 29 Packaging 8% Building & Construction 38% Wire & Cable 11% Industrial 10% Electrical & Electronic 7% 2006 2019E PF* Healthcare 4% Transportation 12% Consumer 18% Building & Construction 5% Wire & Cable 6% Industrial 12% Electrical & Electronic 5% Appliance 3% Textiles 6% Transportation 13% Healthcare 12% Packaging 20% Consumer 10% * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business C O M P L E M E N T A R Y G E O G R A P H I C P R E S E N C E PolyOne Corporation 30 United States 38% Europe 33% Asia 19% Canada 4% Latin America 6% United States 22% Europe & Middle East 48% Asia 23% Canada 1% Latin America 6% Color & Engineered Materials Clariant Masterbatch Business Net Sales by Geographic Region United States 31% Europe & Middle East 39% Asia 21% Canada 3% Latin America 6% Pro Forma Color & Engineered Materials U N I F I E D F O C U S O N S U S T A I N A B I L I T Y PolyOne Corporation 31 2006 - 2013 2013 – 2019 PEO PLE PRO D U C TS PLA N ET PER FO R M A N C E PolyOne Clariant Masterbatch Business • Building mini-recycling plants to facilitate customer projects on design for recycling - CycleWorks • Uses packaging additives & colorants to improve recyclability and enhance automated sorting • Manufactures oxygen scavengers to extend shelf-life of perishable items and reduce material requirements • Combines UV-blocking additive colorants & other barriers to prevent spoilage and waste • Offers spin-dyeing solutions that use significantly less water than traditional methods, allowing for sustainable coloration of textiles • Produces infrared absorbing additives that reduce energy requirements for bottle manufacturing ($ in millions) PolyOne (Continuing Operations) Clariant Color & Additive Masterbatch Business Synergies New PolyOne 2019 Total Sales $2,863 $1,150 $4,013 2019 Adjusted EBITDA $309 $130 $60 $499 % Margin 10.8% 11.3% 12.4% 2019 CapEx $68 $85 % Sales 2.4% 2.1% 2019 Free Cash Flow $161 $250 2019 Adjusted EPS $1.69 $2.22 2019 PF Adjusted EPS $1.69 $2.54 P O L Y O N E + C L A R I A N T M A S T E R B A T C H B U S I N E S S PolyOne Corporation 32 (1) Excludes step-up of depreciation & amortization related to purchase accounting of transaction (1) $0.85/share O V E R 8 5 % O F A D J U S T E D E B I T D A F R O M S P E C I A L T Y PolyOne Corporation 33 46% 66% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2019E PF % o f A d ju st e d E B IT D A * JV's Performance Products & Solutions Distribution Specialty 7% 87% * Adjusted EBITDA is EBITDA excluding corporate costs and special items ** 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business acquisition with synergies Specialty EBITDA $14M $117M $273M $500M ** T R A N S A C T I O N O V E R V I E W • Expected mid-2020, subject to regulatory approvals and customary closing conditions Closing Conditions / Timing • Committed financing in place • Permanent financing to be combination of available cash on-hand, new debt and equity component to limit leverage • Equity issuance of $500MM • Target net leverage below 3.5x, 3.1x synergized PolyOne Corporation 36 • $1.45 B net purchase price • Represents 11.1x adjusted EBITDA (excluding synergies), 7.6x adjusted EBITDA (including synergies) • Pre-tax synergies of $60MM expected to be fully realized by the end of 2023 • Synergies realized from sourcing, operational, technology / commercial, and general administrative Transaction Value Synergies Financing Estimated Synergy Breakdown $60MM • Expect EBITDA synergies of $60MM – Proven integration expertise with a decade of acquisition experience – Administrative synergies reflect reduction of duplicative internal and third-party costs • Run rate synergies of $20MM by the end of Year 1 with $60MM achieved by the end of Year 3 • Significant additional opportunity for geographical expansion – Clariant Masterbatch business has complementary regional presence in key growth areas including India & Southeast Asia • Opportunity to accelerate growth with a combined portfolio of innovative solutions aligned with sustainability megatrends Sourcing 40% Operational 30% Administrative 30% PolyOne Corporation 37 S I G N I F I C A N T S Y N E R G Y O P P O R T U N I T I E S $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Financing Financing Summary Terms on New Debt • $465 million of cash from the balance sheet expected to fund a portion of the purchase price • Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo • Permanent financing expected to include a combination of long-term debt and new equity • The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions • PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies • Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy • New financing expected to have same or better covenant package than existing capital structure • Capital structure would be “covenant lite” Capital Policy • Transaction in line with PolyOne’s disciplined capital allocation policy • Existing PolyOne dividend policy to be maintained • Focus on deleveraging in the near term 2028+ PolyOne Corporation 38 PolyOne Corporation 37 $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Cumulative Share Repurchases (In millions) $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 2019 $917M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation Increasing Annual Dividend 38 $0.81 PolyOne Corporation 39 W H Y I N V E S T I N P O L Y O N E ?

Colorant Chromatics™ PVDF Processing Aids are specially formulated to improve the melt processing in the extrusion of polyvinylidene fluoride (PVDF) resins.

Using conventional CFA ingredients, a special conditioning process was used to prepare the raw material for optimal foaming performance upon polymer interaction.

Any translations of this document shall be used for reference only.) and the applicable customer specific requirements Revision:1 For Bureau Veritas Certification Holding, Le Triangle de l'Arche, 8 Cours du Triangle - 92800 Puteaux - France None Bureau Veritas Certification Certificate N°: FR072877- IATF IATF Certificate N°: 442787 Date Of Expiration: 01-February-2025 Date Of Certification: 02-February-2022 PRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion PERMITTED EXCLUSION(S) SCOPE Design and manufacturing Bureau Veritas Certification certify that the Quality Management System of the above organisation has been audited and found to be in accordance with the requirements of Route de la Vavrette, 01250, TOSSIAT France PolyOne France Tossiat Awarded to Certificate of Approval https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L https://e-cer.bureauveritas.com/FMSNR3ILR1QPBBMGXNKFUDB2LWB28AYDXJNZADBZ8WDH3QYML73QK0B7L7V6CZQPGPGDYLG2UVXWEPJVT4Q0E4Z0DOKSEXCP0BNO7K2WUHCQB2Q9ORVVTV4F9DTN2UI35L REMOTE SUPPORT FUNCTION(S) (The official document is in English.

The substrate is locked in its place on wheel in order to maintain the 90o angle while the elastomer is being pulled.

In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans. • A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PolyOne Corporation 6 P O L Y O N E P R O F O R M A 2 0 1 8 R E V E N U E | $ 2 . 9 B I L L I O N * Segment End Market Geography Transportation 15% Healthcare 15% Industrial 14% Packaging 13% Consumer 12% Wire & Cable 11% Building & Construction 6% Electrical & Electronics 6% Textiles 5% Appliance 3% Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Europe 20% Asia 11% Latin America 10% Canada 5% *Pro Forma excluding PP&S and including Fiber-Line PolyOne Corporation 204 P R O O F O F PER FO R MA N C E C O N S E C U T I V E Y E A R S 10 A D J U S T E D E P S E X P A N S I O N $1.51 $1.61 S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 5-7% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 710130 164 504 663 2014 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 26% + 32% I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Sustained revenue increases led by organic business $2.9 $2.9 $3.2 $3.5 2015 2016 2017 2018 Total + 9% Organic + 5% Revenue in billions of $ Total + 10% Organic + 7% Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 24 2014 2018 Inside sellers $11M $109M 2014 2018 Inside sales/digital revenue A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 12 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 13 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 12% 35% 2006 2018 $20 $56 2006 2018 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 14 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives PlastiComp Fiber-Line I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 15 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 16 Fiber Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Composites Short Glass Fiber Thermoplastics Continuous Fiber Thermoplastic Composites Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y Acquired Polystrand Installed LFT production Avon Lake Acquired Gordon Composites Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 Acquired PlastiComp, specialty LFT producer 2018 PolyOne Corporation 2019 Acquired Fiber-Line, specialty fiber processor 17 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 18 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 19 1.

This includes many preventive tools and resources, as well as special events hosted globally, like our annual PolyOne Fun Run and Walk. Kunkle APPENDIX A 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018** 2018*** 2019*** Net income from continuing operations attributable to PolyOne common shareholders $106.7 $152.5 $153.4 $ 53.3 $ 94.0 $ 78.0 $144.6 $166.4 $173.5 $161.1 $ 87.7 $ 75.5 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 61.7 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (5.9) Adjusted net income from continuing Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $126.6 $168.5 $173.5 $174.3 $181.6 $195.3 $121.3 $131.3 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 77.7 Adjusted EPS attributable to PolyOneAdjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 1.69 Year Ended December 31, Reconciliation to Consolidated Statements of Income 2019 2018 Operating income - GAAP $ 156.8 $ 178.6 Special items in operating income (1) 71.7 42.4 Operating income adjusted $ 228.5 $ 221.0 APPENDIX B POLYONE CORPORATION 2020 EQUITY AND INCENTIVE COMPENSATION PLAN 1.

All Rights Reserved 2024 35 Non-PFAS functional additives MARKET DRIVERS & NEEDS • Regulatory restrictions with the removal of PFAS in multiple end markets • Major retailers requiring PFAS content declaration from suppliers • Enhanced plastic properties, aesthetics and processability • Specialized functionalities making plastics a safe option in demanding applications $8B ADDRESSABLE MARKET AVIENT END MARKETS, APPLICATIONS OTHER APPLICATONS • Electrical connectors • Labware • Food contact appliances BUILD NEW PLATFORMS OF SCALE Flexible film Artificial turf Food storage, oil containers 36Copyright © . Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2006 2023 Sales $ 2,622.4 $ 3,142.8 Net income from continuing operations – GAAP $ 133.5 $ 76.3 Income tax expense 29.7 11.0 Interest expense, net 63.1 115.3 Depreciation and amortization from continuing operations 57.1 188.8 EBITDA from continuing operations 283.4 391.4 Special items, before tax (34.0) 114.6 Interest expense included in special items — (2.3) Depreciation and amortization included in special items — (1.9) JV - equity income (107.0) — Adjusted EBITDA $ 142.4 $ 501.8 Adjusted EBITDA as a percent of sales 5.4 % 16.0 % 1 Avient Investor Day_Dec 2024_Wednesday morning edition.pdf Investor Day - Dec24 - Non-GAAP v4 12.03.24 545PM.pdf Attachment

Nikrant Page 67 United States 36% Europe 36% Canada 2% Asia 20% Latin America 2011 Revenue: $0.6 Billion2011 Revenue: $0.6 Billion SolutionsSolutions At a Glance Global Specialty Engineered Materials Appliance 6% Building & Construction 3% Wire & Cable 14% Electrical & Electronics 14%Consumer 21% Packaging 5% Industrial 8% Misc. 3% HealthCare 5% Transportation 21% America 6% 2011 Revenue by Industry Segment2011 Revenue by Industry Segment 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 12-16% 2006 2007 2008 2009 2010 2011 2015 Operating Income % of Sales Target Expanding ProfitsExpanding Profits Page 68 Value Proposition • GSEM is a global leader providing complete specialty solutions encompassing innovative technologies and services to enable customer success Transformation Highlights • Dramatic turnaround of the Engineered Materials business through mix improvement and specialty focus Value Proposition and Transformation Highlights Global Specialty Engineered Materials improvement and specialty focus • GLS acquisition successfully integrated, having more than doubled earnings in 3 years • PolyOne culture and strategy now engrained worldwide • Expansion into healthcare with dedicated resources > $15B Addressable Market Page 69 • Polymer design, formulation and service expertise • Broad, global technology base and regional centers of excellence • Ten innovation centers around the world Key Differentiators Global Specialty Engineered Materials • Ten innovation centers around the world • Specialty brand leadership with PolyOne, GLS, NEU and ECCOH • Ability to leverage global key account team Page 70 From Volume Commodity-driven product portfolio To Value Specialty technology and solutions EM North America Transformation Volume Sales Gross Margin $ Mix Transformation – Executing the Strategy Global Specialty Engineered Materials 2006 2011 2006 2011 2006 2011 Page 71 $12 $29 Operating Income ($ in millions) • Provided access to new customers in specialized, high-growth markets such as healthcare and consumer • Strategic partner to many of the world’s best-known companies GLS Integration Success 16.9% 8.2% 2007 2011 2007 2011 Working Capital % of Sales • Complementary global footprint provided additional cross-selling opportunities • Opportunity to expand margins and drive working capital improvement while remaining customer-focused Page 72 $1.3 $27.6 2006 2011 Healthcare Revenue • Investment in dedicated healthcare team to drive penetration and growth • Leverage product portfolio globally & win specialty business Areas of Focus Global Specialty Engineered Materials $10.5 $117.9 2006 2011 Consumer Revenue 2006 2011globally & win specialty business in targeted markets • Aggressively commercialize specialty innovation platforms • Utilize our innovation centers to influence OEM design (Revenue in $ millions) Page 73 • Carbon Nanotube Formulations � Applications: Semiconductor equipment, hard drives � Customer benefits: Scrap cost reduction and clean conductivity • Thermally Conductive Solutions Applications: Sockets and bulb holders for LED lighting Key Innovations Global Specialty Engineered Materials � Applications: Sockets and bulb holders for LED lighting � Customer benefits: Cost reduction, energy saving, and design flexibility • FDA-Regulated TPEs � Applications: Food packaging seals, intravenous delivery systems, medical stoppers, prefilled syringes � Customer benefits: Clean and safe elastomers for highly regulated applications Page 74 Critical Imperatives and 2015 Goal Global Specialty Engineered Materials Critical Imperatives • Commercialize critical new technology platforms • Manage the mix as we continue to drive the transformation • Global translation of commercial successes 2015 Goal • 12 - 16% return on sales Page 75 Page 76