Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2 0 3 0 S U STA I NA B I L I T Y TA RG E TS Avient Corporation 5 P RO D U C T S 8 W A Y S W E H E L P C U S T O M E R S B E M O R E S U S T A I N A B L E T R E N D S I N F O C U S Avient Corporation 6 RECYCLING / CIRCULAR ECONOMY LIGHTWEIGHTING ECO-CONSCIOUS S U S TA I NA B L E S O LU T I O N S F O R T H E C I RC U L A R E C O N O M Y Avient Corporation 7 OPTICA™ TONERS FOR PET LACTRA™ SX LIGHT BLOCKING ADDITIVE FOR PET AMOSORB™ OXYGEN SCAVENGER FOR PET JOULE™ & SMARTHEAT™ INFRARED ABSORBER ULTIMATE™ UV LIGHT BARRIER CESA®-NATUR BIO-SOURCED ADDITIVES TRIPLE A™ ACETALDEHYDE SCAVENGER FOR PET IR SORTABLE BLACK FOR RECYCLABLE PACKAGING EZE™ SLIP AGENT FOR PET ONCOLOR™ NATURALS – COLORANTS FOR RECYCLABLE PACKAGING RESOUND™ OM THERMOPLASTIC ELASTOMERS VERSAFLEX™ POST- CONSUMER RECYCLED (PCR) TPE FORMULATIONS AV I E N T C YC L E WO R KS I N N O V A T I O N C E N T E R T O A D V A N C E T H E C I R C U L A R E C O N O M Y • Laboratory mimics real-world circular recycling in a research environment • Conducts chemistry testing to improve plastics recycling for customers • Screening and evaluation of additive and colorant systems during recycling • Collaboration platform for customers and value chain partners Avient Corporation 8 Avient Corporation 9 AV I E N T E NA B L E S C U STO M E R S ’ C I RC U L A R E C O N O M Y G OA L S C O L O R M A T R I X ™ P R O C E S S A I D & T O N E R F O R R E C Y C L E D P E T L I G H T W E I G H T I NG Avient Corporation 10 NYMAX™ NYLON FORMULATIONS HYDROCEROL® CHEMICAL FOAMING AGENTS POLYSTRAND™ TAPES AND LAMINATES COMPLĒT™ LFT ENGINEERED RESINS W H AT ’ S H A P P E N I N G A V I E N T S O L U T I O N S PLASTICS ARE: AV I E N T S O LU T I O N S E NA B L E L I G H T W E I G H T DA S H B OA R D S K I N S H Y D R O C E R O L ® F O A M I N G A G E N T S O L U T I O N S Avient Corporation 11 E C O - C O N SC I O U S Avient Corporation 12 ONCOLOR™ BRILLIANT METALLIC COLORANTS W H AT ’ S H A P P E N I N G ONCOLOR™ WPC CAPSTOCK TECHNOLOGY ZODIAC™ AQUARIUS™ WATER BASED SCREEN PRINTING INKS MAGIQ™ FIBER COLORANTS & ADDITIVES SAFER & CLEANER MATERIALS RESOURCE CONSERVATION HUMAN HEALTH & SAFETY ECO-CONSCIOUS ALTERNATIVES A V I E N T S O L U T I O N S AV I E N T E C O - C O NS C I O U S S O LU T I O N S I M P ROV E FAC E M A S K P E R F O R M A N C E Avient Corporation 13 M A G I Q ™ E L E C T R E T P L U S T E C H N O L O G Y Improved filtration efficiency Protects against aerosols & bacteria particles Increased shelf-life ENERGY INTENSITY 9% DECREASE WASTE INTENSITY 2% DECREASE WATER INTENSITY 20% DECREASE TOTAL CO2 EMISSIONS 29% DECREASE P L A N ET K E Y P E R F O R M A N C E I N D I C A T O R S 2 0 1 6 - 2 0 1 9 56 ENERGY REDUCTION PROJECTS SAVE 7400+ MT/CO2 ANNUALLY PUNE, INDIAASSESSE, BELGIUM Avient Corporation 14 • Avient is a founding member • Cross value chain collaboration • Driving breakthrough innovations R E V E N U E F RO M S U S TA I N A B L E S O LU T I ON S 2016 2017 2018 2019 2020PF VOC Reduction Reduced Energy Use Bio-derived Content Eco-conscious Renewable Energy Applications Recyclability Reduced Material Requirements Lightweighting $275M $325M $355M $410M $560M (1) Proforma to include a full year of Clariant Masterbatch business acquisitionAvient Corporation 16 Revenue from sustainable solutions expected grow at an 8-12% CAGR into the future (1) THANK YOU Avient Corporation 17

Microsoft Word - May 16 2012 Investor Presentation NonGAAP Reconcliation.doc Schedule I 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 GAAP.

FUNCTIONALITY TARGET APPLICATIONS BLOOD COLLECTION REAGENT CONTAINERS/ KITS PIPETTE/ LABWARE SELF-TESTING/ POCT INSTRUMENT/ ACCESSORIES Colorants for coding for lab automation/ identification Wide range of colors in various polymers, available in ready-to-use formulation or concentrate adapted to your process     Colors – low migration/ interference Ready-to-use formulation to avoid interference with analytical tests; extractable metal data    Colors – biologically evaluated Reduced risk of non compliance to current and proposed regulations such as IVDR     Color in PP, ABS, PC and high temperature polymers with UL listings Ready-to-use solutions/concentrates supporting Underwriters Laboratory requirements of electric enclosures   Antistatic for PP, ABS, PC/ABS Permanent/non-migrating ready-to-use formulation; fast decay time independent of % relative humidity   Clarifying PP Sorbitol-free, minimizing potential migration   Laser marking for UDI replacing ink printing/labels Activation of the polymer to laser energy give high contrast solvent-free, high speed identification     Laser welding for fast, reliable assembly of a range of polymers Custom concentrates and ready-to-use formulations for optically transparent and opaque colors while allowing laser transmission/absorption    Nucleation of semicrystalline polymers e.g.

APPLICATION BULLETIN MATERIAL COMPARISON Long Fiber Reinforced Thermoplastics A380 Aluminum Specific Gravity (g/cc) 1.07–1.71 2.76 Impact Strength (ft/lbs) 2.8–3.6 2.95 Tensile Strength at Yield (psi) 14000–46000 23100 Temperature Resistance Good Excellent Corrosion Resistance Inherent Requires Coating Secondary Operations Limited Extensive Design Freedom Extensive Limited Sound Dampening Good Poor Color Molded-in-Color options Requires painting Material Cost Per Pound $$ $ Tooling Cost $$ $ Total Finished Assembly Cost $ $$ Selecting the right material for your application should include careful evaluation of the material’s technical data.

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Improved Thermal Stability & Reduced Yellowing Based on APR Critical Guidance Test Data 3mm Plaque Actual APR Tolerance L* 91 >82 da* -0.61 >-3 db* -0.38 1.5 Sample Delta L* Delta b* Reference -7.5 11.3 Reference + RHC -5.6 8.6 INCREASED rPET CONTENT & IMPROVED QUALITY SmartHeat RHC is APR accredited for both Critical Guidance and Bottle-to-Bottle, and is EPBP approved.

Thus far, the insert molding data presented here is very encouraging and it is determined that these novel TPEs will exceed expectations in two-shot molding environments as well. R&D Chemist in generating a bulk of the presented data are hereby acknowledged.

Avient reserves the right to verify the changed sub-tier supplier structure. 5.0 Avient Business Expectations Suppliers may be asked to provide additional material specific documentation related to the following functional areas:  Environmental, Health, and Safety  Regulatory  Sourcing  Purchasing  Technology / Research & Development Any other functional group-specific requirements may be communicated through the appropriate Avient representative.

CEO, Industry Leader C O M M E R C I A L R E S O U R C E S I N N O V A T I O N S E R V I C E I N S P I R E D F U T U R E 6-8% annual increase in commercial resources 8% more sales calls annually 10% annual expansion of sales funnel, including advances in barrier additives and fiber colorants 12-15% compound annual operating income growth 16-18% operating margins PolyOne Corporation 93 M & A R E V I E W J O E L R A T H B U N PolyOne Corporation 94 TPE O V E R A D E C A D E O F S U C C E S S F U L S P E C I A L T Y A C Q U I S I T I O N S PolyOne Corporation 95 PolyOne Corporation 96 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W S T R A T E G Y PolyOne Corporation 97 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins I N V E S T - T O - G R O W P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! 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 98 Commercial Resources Operating Income ($ in millions) Operating Margins 243 335 At Acquisition Today $36 $90 At Acquisition Today 11% 20% At Acquisition Today Established Acquisitions (> 7 years) + 40% + 150% + 900 bps 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 99 Commercial Resources Operating Income (millions) 53 109 At Acquisition Today 187 214 At Acquisition Today 3 12 At Acquisition Today $12 $45 At Acquisition Today $22 $42 At Acquisition Today $2 $4 At Acquisition Today Acquisition #1 (10 years) Acquisition #3 (7 years) Acquisition #2 (9 years) EBITDA Multiple 10.5x 3.0x At Acquisition Today 11.1x 7.6x At Acquisition Today 4.9x 2.8x At Acquisition Today 10% 23% At Acquisition Today 11% 17% At Acquisition Today 21% 30% At Acquisition Today Return on Sales I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 100 Commercial Resources Operating Income ($ in millions) Operating Margins 17 44 65 At Acquisition Today Goal $0 $0 $25 At Acquisition Today Goal 0% 0% 20% At Acquisition Today Goal Advanced Composites I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 101 Commercial Resources Operating Income ($ in millions) Operating Margins 96 100 141 At Acquisition Today Goal $16 $18 $36 At Acquisition Today Goal 11% 12% 18-20% At Acquisition Today Goal Recent Color Acquisitions PolyOne Corporation 102 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T S U M M A R Y PolyOne Corporation 103 Proven track record with specialty acquisitions using invest-to-grow strategy Our approach to integration differentiates PolyOne in a competitive M&A market Trusted brand and reputation Buyer of choice Robust pipeline with a range of opportunities that fit our strategy F I N A N C I A L R E V I E W B R A D R I C H A R D S O N PolyOne Corporation 104 PolyOne Corporation 105 A D J U S T E D E P S E X P A N S I O N 2009 2010 2011 2012 2013 2014 2015 2016* 2017* C O N S E C U T I V E Y E A R S 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS PolyOne Corporation 106 S T R A T E G I C C A S H D E P L O Y M E N T ORGANIC GROWTH Investing in R&D and capacity 11 Maintenance 40% Strategic Growth Investments 60% Capital Expenditures M&A OPPORTUNITIES Continued pursuit of strategic bolt on acquisitions that expand specialty offerings 2 SHAREHOLDER RETURN Dividends and share buybacks3 Over $400 million M&A Spending Since 2014 $809 million Share Repurchases 2011-Q1 2018 60% Increase in annual dividend over next three years 2011 2013 2015 2017 2006 2017 “Where we were” “Where we are” ROIC 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% P R O O F O F P E R F O R M A N C E E X P A N D I N G M A R G I N S & R O I C PolyOne Corporation 107 531 680130 153 504 618 2014 Q1 2018 R&D / Technical Marketing Sales I N V E S T M E N T I N C O M M E R C I A L R E S O U R C E S D R I V I N G R E S U L T S PolyOne Corporation 108 Increased commercial headcount Largest organic revenue growth since recession $2.9 $2.9 $3.2 2015 2016 2017 Revenue in billions of $ + 28% + 18% + 23% Total + 10% Organic + 7% 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 109 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 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 6.3% 14.0% 15.0% 16-17% 2009 2017 Platinum Vision Updated Expectations R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 110 R O I C D R I V E S S H A R E H O L D E R R E T U R N 6.3% 14.0% 15.0% 16-17% 2009 2017 Platinum Vision Updated Expectations PolyOne Corporation 111 $570 $1,650 $1,750 $2,000 2009 2017 Platinum Vision Updated Expectations ROIC Invested Capital ($ in millions) Improving ROIC + Expanding Invested Capital = Outperforming the Market C O N C L U S I O N B O B P A T T E R S O N PolyOne Corporation 112 1 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. Investor Day Deck - Web Investor Day Forward �Looking �Statements Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: USE OF �NON-GAAP�MEASURES Investor Day Agenda May 10, 2018 The Leaders Behind the Team Introduction Historic Past Sustainability AT PolyOne Safety First the PolyOne Academy Sustainably Impacting diverse End Markets Products and Portfolio Optimization OUR PLANET Sustainability AT PolyOne Adjusted EPS Expansion Early years defined by Specialty �mix improvement Commodity Pruning �Held Organic Sales Flat Investment in Commercial Resources Driving Results Sustainable Path to Double-Digit EPS Growth Raising the Bar�ROIC drives shareholder return Commercial Excellence STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future Aligning with trends for Growth Innovation 3 Horizons of Development 3 Horizons of Development 3 Horizons of Development Innovation Pipeline Innovation Drives Earnings Growth IQ DESIGN LABS 3D Printing�Bringing New ideas to life LSS CUSTOMER FIRST The Evolving Customer Relationship Slide Number 37 Inspired future Innovating with PolyOne PolyOne Distribution DISTRIBUTION Service is our business Service is our business Key Commercial Investments Growth through Inside Sales Growth through Multiple Sales Channels New Resources Fueling the Future Inspired future Specialty Engineered Materials Specialty Engineered Materials Specialty Engineered Materials Capitalizing on the global market STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future growth Through Service Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation Slide Number 61 Inspired future Performance Products �& Solutions Performance Products & Solutions Performance Products & Solutions STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future Growth Through Service Growth Through Service Innovation Spotlight: �Flame Retardant�Polymers FLAME RETARDANT �DRIVERS Flame Retardant Performance Spectrum LED Solutions Inspired future Color Additives�& Inks COLOR, ADDITIVES & INKS Color, Additives & Inks Capitalizing on the global market STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future Growth Through Service Innovation Spotlight: Additive & Colorant�Technologies Barrier Technologies Fiber Colorants Strategic Investment History Slide Number 88 Slide Number 89 COLORMATRIX SELECT™ Enabling the Customer Slide Number 92 Inspired future M&A Review Over a decade of successful specialty acquisitions Invest-to-Grow Strategy Invest-to-Grow Playbook Invest-to-Grow Proof of performance Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Summary Financial Review Adjusted EPS Expansion Strategic cash deployment Proof of Performance �Expanding Margins & ROIC Investment in Commercial Resources Driving Results Sustainable Path to Double-Digit EPS Growth ROIC drives shareholder return ROIC drives shareholder return Conclusion Investor Presentation - May 2018 Non-GAAP Investor Presentation - March 2018

Investor Day P O L Y O N E I N V E S T O R P R E S E N T A T I O N A U G U S T 2 0 1 8 F O R W A R D L O O K I N G S T A T E M E N T S PolyOne Corporation 2 • • • • • • • • • U S E O F N O N - G A A P M E A S U R E S PolyOne Corporation 3 • • • 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 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.57 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 YTD Injuries per 100 Workers Spartech Acquisition PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N Transportation 18% Industrial 16% Consumer 12% Packaging 11% Healthcare 11% Wire & Cable 9% Appliance 5% United States 59% Europe 14% Asia 10% Latin America 9% Canada 8% PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction 12% Electrical & Electronics 6% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 2006 2017 “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% A D J U S T E D E P S E X P A N S I O N 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 strategic acquisitions Innovate 600K-1M commercial resources 6-8% Double acquired margins Lean Six Sigma commercial excellence 531 689130 157 504 633 2014 Q2 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% 25% 1,000 $1.0B Enhancing efficiency 8% 20% I N V E S T M E N T I N C O M M E R C I A L R E S O U R C E S D R I V I N G G R O W T H 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 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat E X P A N D E D P A T H 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 21 2014 2017 Inside sellers $11M $88M 2014 2017 Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% 2014 $3.0 billion 2017 $4.0 billion 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 I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend Vitality Index 12% 38% 2006 2017 $20 $52 2006 2017 Transformational Adjacent Core 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Market Technical I N N O V A T I O N I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 5 6 2 1 15 4 10 5 11 4 5 7 Breakthrough Platform Derivative F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S 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 S R E F R E S H E R PolyOne Corporation 18 Fiber Polymer Composite 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 Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 2018 PolyOne Corporation 19 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 20 W A T E R C R A F TR A I L H E A V Y T R U C K PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople 8-10% with ability to double I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First!