Strategic drivers Digital for operational excellence Leadership, talent Copyright © . 2024 16 Launch Growth Maturity Decline TIME S A LE S 1. 2. 3. Color, Additives and Inks – strategic drivers Digital for operational excellence Leadership, talent 1. Specialty Engineered Materials – strategic drivers Digital for operational excellence Leadership, talent 1.

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. All nominees should be individuals of substantial accomplishment with demonstrated leadership capabilities. Board Leadership Structure The Board selects the Chairman of the Board and Chief Executive Officer and determines from time to time whether the positions are to be combined and filled by one person or separated and filled by two persons.

Use of Non-GAAP Measures Page 3 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 18 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Targeting $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% 450.00% PolyOne S&P 500 Russell 2000 Dow Jones Chemical All time high of $39.28 April 4th, 2014 • 18 consecutive quarters of double digit EPS growth • 49% CAGR adjusted EPS expansion 2006-2013 • 2013 stock price increased 73% versus 30% growth in the S&P • More than seven fold increase in market cap: $0.5b $3.6b Strategy and Execution Drive Results Page 6 Appliance 4% Building & Construction 13% Wire & Cable 9% Electrical & Electronics 5% Consumer 10%Packaging 16% Industrial 12% HealthCare 11% Transportation 18% Misc. 2% 0.12 0.27 0.21 0.13 0.68 0.82 1.00 1.31 2.50 $0.00 $0.25 $0.50 $0.75 $1.00 $1.25 $1.50 $1.75 $2.00 $2.25 $2.50 2006 2007 2008 2009 2010 2011 2012 2013 2015 Target Ad ju st ed E ar ni ng s P er S ha re 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion EPS Page 7 PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia 6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% Mix Shift Highlights Specialty Transformation Page 8 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 64% 0% 20% 40% 80% 2005 2008 2010 2013 Q1 2014 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $60M Target 2015 Target Proof of Performance & 2015 Goals Page 9 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* (after-tax) 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental share buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid single digit revenue CAGR Innovation Drives Earnings Growth $20.3 $52.3 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years Page 11 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 42.0% 2006 Q1 2014 Healthcare Consumer Packaging and Additive Technology Transportation Page 12 Unique and Innovative Solutions https://www.dropbox.com/sh/dwe4t8aacvhb8ui/uD3p_bdglP/Presentation revise pics/GLS Beverage can closure XO 2.jpg https://www.dropbox.com/sh/dwe4t8aacvhb8ui/-YgkycKypw/Anti-Counterfeiting release & images/GN1979.JPG 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2014 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend  Expanding our sales, marketing, and technical capabilities  Investing in operational and initiatives that drive profitability growth Manufacturing realignment  Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin  Synergy opportunities  Adjacent material solutions  Repurchased 1.4 million shares in Q1 2014  Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

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 Commercial 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 15% Healthcare Wire & Cable Building & Electrical & Electronics Color Additives & Inks 34% Distribution 41% Specialty Engineered 25% 54% Latin America 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* 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 Inside sellers $11M $87M 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 $410M 14% Total Annual Growth 9% Organic Annual Growth I N N O V A T I O N PolyOne Corporation 15 Customization 55% M&A Innovation Pipeline Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 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 New technology development outside of and with our current base Service adjacent markets and Create new markets, target new customer needs Service existing markets and 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. 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  Transformational M&A with PP&S divestment and pending acquisition of Clariant Masterbatch business  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  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 40 T A L E N T D E V E L O P M E N T PolyOne Corporation 41 Leadership Program Participants 2012 2013 2015 47 86 2016 2019 125 169 412 Campus Hires 2008 2011 2017 25 90 47 PolyOne LSS Blackbelts 2008 2011 2019 67 247 147 2019 134 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 PolyOne Corporation 42 Computer Aided Engineering Design Strategy 3 15 Designers & Engineers $0 $15M $4M $87M Opportunity funnel Total Revenue LSS CUSTOMER FIRST PolyOne Corporation 43 Customer Engagements Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2 210 I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 44 SEGMENT HIGHLIGHTS C O L O R , A D D I T I V E S & I N K S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 45 Solid Colorants Performance Screen Printing Inks Liquid Colorants Wire & Appliances Electrical & Electronics 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 9 R E V E N U E | O V E R $ 1 B I L L I O N PolyOne Corporation 46 34% United States 44% Mexico South America $4 $25 $104 $147 0.9% 5.5% 12.2% 14.7% 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 E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 47 Engineered Formulations Advanced Composites Thermoplastic Elastomers Telecommunications (FOC) Electrical & Electronics Building & Construction Note: (FOC) refers to Fiber Optic Cabling 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 9 R E V E N U E | $ 7 5 0 M I L L I O N PolyOne Corporation 48 27% United States 54% 17% $21 $57 $87 0.1% 5.1% 9.3% 11.6% 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 49 28% 23% Electrical & Electronics Building & Operating Income & Margin2019 Revenue | $1.2 Billion $25 $63 $75 $20 2.9% 4.0% 5.9% 6.3% http://www.avient.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 50 Performance Polyethylene Pigments Styrenic Block Copolymer 7% Nylon TiO2 Polypropylene Dyestuffs Plasticizers Other Raw $900 million of raw material purchases in 2019 excluding Distribution business Note: All figures exclude divested PP&S 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 51 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 PolyOne Corporation 63 Global high yield & leveraged finance Conference Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First Commodity to Specialty Transformation PolyOne�2019 Revenue | $2.9 billion Slide Number 8 Sustainable Path to Double-Digit EPS Growth Expansion of Commercial Resources driving growth The Evolving Customer Relationship Slide Number 12 Aligning with trends for Growth Revenue from Sustainable Solutions Innovation 3 Horizons of Development Innovation Spotlight: Composites COMPOSITE MATERIALS COMPOSITEs Portfolio�Diverse Capabilities and Solutions Serving Manufacturers and OEMS PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Clariant Masterbatch Acquisition Drives�Next Level Specialty Transformation Transformation Headlines Fit with Four Pillar Strategy End Market Transformation End Market Transformation Complementary Geographic Presence Slide Number 31 PolyOne + Clariant Masterbatch Business Over 85% of Adjusted EBITDA from Specialty Transaction overview Significant Synergy Opportunities Attractive Financing Structure Slide Number 37 Returning cash to shareholders�Over $1.2 Billion since 2011 Why Invest In PolyOne?

Our key development opportunities include nomination-based leadership programs (such as NextGen, Emerging Leaders and Elevate), foundational leadership training for all current or aspiring people managers, called Core Leadership, and LSS training at a variety of levels, where individuals can be certified for job-specific LSS programs, up through Master Black Belt certification. Patterson Former Chairman, President and Chief Executive Officer Leadership Transitions. In connection with the leadership transition and Dr.

Avient also offers nomination-based leadership development programs, such as NextGen, Elevate, Engage and Lean Six Sigma, as well as Core Leadership, an open-enrollment program for leaders around the globe. The executive leadership team oversees our diversity and inclusion initiatives, which ensures that we have leadership accountability in advancing diversity and inclusion. BOARD LEADERSHIP STRUCTURE Mr.

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 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 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 • 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 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 $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 � 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 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

The webcast can be viewed at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/edkwvu9r.

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