end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% 2006 2011PF $20.3 2006 2011PF 14.3% 2006 2011PF ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

DOCUMENT NUMBER_ SSS-003 CATEGORY DETAIL EC Number 215-175-0 CAS Number 1309-64-4 Name Subclass 1 Antimony Trioxide (ATO) Structural Formula CHEMICAL IDENTITY PROPERTY DETAIL Physical State Solid Form Powder Color White Odor Odorless Melting Point 656°C Boiling Point 1425°C Bulk Density 5.20 g/cm3 Water Solubility Slightly Soluble PHYSICAL/ CHEMICAL PROPERTIES DOCUMENT NUMBER_ SSS-003 HEALTH EFFECTS HUMAN HEALTH SAFETY ASSESSMENT Consumer It is very unlikely that consumers would be exposed to ATO in its concentrated form because it is only sold for industrial use to make polymers and other products and is not sold directly to consumers. EXPOSURE HUMAN HEALTH SAFETY ASSESSMENT Human Health Consumers are not likely to be exposed to because it is not sold directly to consumers nor are sales to consumer markets endorsed.

Common healthcare applications include medical tubing, gaskets and stoppers, bags, bottles and films, grips, handles and medical devices. VERSAFLEX™ HC MEDICAL TUBING GRADES • Improve extrusion rates, achieve high service temperature performance or increase clarity in medical tubing • Traditional and bio- based formulations specifically for biopharmaceutical tubing to meet the needs for weldability and minimize extractables during processing VERSALLOY™ HC SERIES • Obtain better flow in long, thin paths and lower shrink rates versus typical TPVs with our alloys • Color easily and obtain a smooth tactile feel VERSAFLEX™ HC GASKETS & STOPPERS SERIES • Achieve no coring, good puncture and resealability in static stoppers • Meet low COF and low stiction requirements in dynamic seals VERSAFLEX™ CL E SERIES • Increase clarity and flexibility in bags, bottles and films • Mitigate risk with plasticizer-free formulations for film extrusion • Deliver excellent odor & O2 barrier performance for film extrusion INDUSTRY BULLETIN TPE HEALTHCARE PRODUCT SELECTOR GUIDE Versaflex™ HC Medical Tubing Grades Versaflex™ HC MT222 Clear 66A 0.88 14 - 334 2.30 629 4.34 898 6.19 430 220 36 ✔ ✔ High clarity, without plasticizersVersaflex™ HC MT224 Clear 75A 0.89 19 - 468 3.23 773 5.33 1360 9.40 530 321 56 ✔ ✔ Versaflex™ HC MT226 Clear 84A 0.88 20 - 606 4.17 885 6.10 1600 11.00 600 433 76 ✔ ✔ Versaflex™ HC MT317 Clear 68A 0.89 17 69 450 3.10 660 4.55 870 6.00 470 221 39 ✔ ✔ Very high service temperature Versaflex™ HC BT218 Natural 67A 0.89 19 69 381 2.60 683 4.70 1186 8.20 608 - - ✔ ✔ Weldable, kink resistant Versalfex™ HC BIO BT218 Natural 70A 0.88 18 58 416 2.87 668 4.60 1190 8.20 630 - - ✔ ✔ Weldable, kink resistant, contains 40% bio-derived content (Gen 1 biomass) Versaflex™ HC Gaskets & Stoppers Series Versaflex™ HC 2110-35N Natural 34A 0.90 19 47 145 1.00 261 1.80 400 2.76 620 97 17 ✔ ✔ Good resealing Versaflex™ HC 2110-43N Natural 43A 0.98 12 46 134 0.92 368 2.54 723 4.98 710 - - ✔ ✔ Good compression set Versaflex™ HC 2110-57B Black 59A 1.01 20 37 369 2.54 558 3.85 537 3.70 350 147 26 ✔ ✔ Low stiction Versaflex™ CL E Series Versaflex™ CL E85 Clear 84A 0.90 20 72 752 5.18 1160 8.00 1550 10.70 450 433 76 ✔ ✔ High clarity, without plasticizers; E95 also offers excellent odor & O2 barrier Versaflex™ CL E90 Clear 90A 0.90 27 73 1000 6.89 1230 8.50 1830 12.60 57 - - ✔ ✔ Versaflex™ CL E95 Clear 95A 0.90 38 71 1680 11.60 1730 11.90 2500 17.20 580 720 126 ✔ ✔ Versaflex™ HC 3810 Series Versaflex™ HC 3810-20N Natural 20A 0.88 16 54 123 0.80 185 1.30 342 2.40 650 - - ✔ - Formulated without animal derivatives, excellent colorability, translucent Versaflex™ HC 3810-30N Natural 30A 0.89 18 58 170 1.20 245 1.70 459 3.20 680 - - ✔ - Versaflex™ HC 3810-40N Natural 40A 0.88 19 59 191 1.30 275 1.90 506 3.50 670 - - ✔ - Versaflex™ HC 3810-50N Natural 50A 0.89 21 61 264 1.80 366 2.50 699 4.80 690 - - ✔ - Versaflex™ HC 3810-60N Natural 60A 0.88 24 65 459 3.20 594 4.10 790 5.40 510 - - ✔ - Versaflex™ HC 3810-70N Natural 70A 0.88 28 67 535 3.70 684 4.70 1000 6.90 570 - - ✔ - Versaflex™ HC 3810-80N Natural 80A 0.88 30 67 689 4.80 869 6.00 1390 9.60 620 - - ✔ - Versaflex™ HC 3810-90N Natural 90A 0.88 27 89 1087 7.50 1350 9.30 1890 13.00 570 - - ✔ - Versalloy™ HC 9210 Series Versalloy™ HC 9210-45N Natural 45A 0.89 19 39 160 1.10 320 2.20 484 3.33 480 100 18 - ✔ Smooth surface aestheticsVersalloy™ HC 9210-55N Natural 53A 0.89 20 44 208 1.44 335 2.31 580 4.00 610 120 21 - ✔ Versalloy™ HC 9210-70N Natural 70A 0.89 23 53 356 2.45 510 3.52 780 5.38 590 180 32 - ✔ Versalloy™ HC 9220 Series Versalloy™ HC 9220-70 Natural 70A 0.95 17 51 453 3.12 - - 643 4.43 265 208 36 ✔ ✔ ExtrudableVersalloy™ HC 9220-80 Natural 80A 0.94 18 59 553 3.67 777 5.36 945 6.52 415 208 36 ✔ ✔ Versalloy™ HC 9220-90 Natural 90A 0.94 25 55 1030 8.13 1350 9.33 1945 13.45 620 400 70 ✔ ✔ Standard Healthcare Grades Versaflex™ G2705N Natural 60A 0.88 - - - - 528 3.64 670 4.62 470 - - ✔ ✔ Natural, high strength Versaflex™ CL 2242 Clear 43A 0.89 23 - 152 1.05 294 2.02 731 5.00 780 124 22 ✔ ✔ High clarity, boilable Versaflex™ CL 2250 Clear 50A 0.89 20 - 220 1.52 337 2.32 827 5.70 770 140 25 ✔ ✔ Versaflex™ OM Series Versaflex™ OM 1040X Natural 42A 0.92 22 - 180 1.24 301 2.08 504 3.47 580 100 18 ✔ ✔ ABS/PC overmoldVersaflex™ OM 3060 Clear 59A 0.90 33 - 420 2.90 360 2.48 500 3.45 480 180 32 ✔ ✔ Versaflex™ OM 8940X-1 Clear 42A 0.91 - - 233 - 311 - 1573 - 1059 - - - - PK, COPE overmold Versaflex™ OM 4052 Natural 56A 1.01 27 - 271 - 557 - 1680 - 670 - - ✔ - Excellent chemical resistance; PK, PC, ABS, PC/ABS overmoldVersaflex™ OM 4063 Natural 54A 1.12 30 - 365 - 580 - 1640 - 670 - - ✔ - Color Hardness Specific Gravity Compression Set @ 23°C Compression Set @ 100°C 100% Modulus 300% Modulus Tensile Strength Elongation Tear Strength ISO 10993 USP VI Special Characteristics ASTM Shore A ASTM/ISO ASTM % ASTM % ASTM psi MPa ASTM psi MPa ASTM psi ISO MPa ASTM % ASTM pll ISO kN/m GENERAL PROPERTIES TENSILE PROPERTIES OTHER For further information on specific grades, review technical data sheets.

Patterson Chairman, President and CEO INTRODUCTION B O B P A T T E R S O N PolyOne Corporation 7 PolyOne Corporation 8 H I S T O R I C P A S T I N S P I R E D F U T U R E S U S T A I N A B I L I T Y A T P O L Y O N E PolyOne Corporation 9 P E O P L E P R O D U C T S P L A N E T S A F E T Y F I R S T PolyOne Corporation 10 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Injuries per 100 Workers Spartech Acquisition T H E P O L Y O N E A C A D E M Y PolyOne Corporation 11 Leadership Program Participants 2012 2013 2014 2015 47 0 86 2016 2017 125 169 216 Campus Hires 2008 2011 2014 2017 0 25 90 47 S U S T A I N A B L Y I M P A C T I N G D I V E R S E E N D M A R K E T S PolyOne Corporation 12 With emphasis on: • Light-weighting • Reducing packaging materials • Improving recyclability • Reducing spread of infection • Facilitating alternative energy solutions Transportation 18% Industrial 16% Building & Construction 12% Consumer 12% Packaging 11% Healthcare 11% Wire & Cable 9% Electrical & Electronics 6% Appliance 5% P R O D U C T S A N D P O R T F O L I O O P T I M I Z A T I O N PolyOne Corporation 13 R E I N V E S T G R O WD I V E S T ( D S S ) OUR PLANET PolyOne Corporation 14 Energy Saving Projects 26 10% REDUCTION 47 11% REDUCTION Waste Reduction Projects 2,557 LSS Projects Executed 202 PolyOne LSS Blackbelts 2011 2014 2017 202 2008 147 67 0 0 2,557 2008 2017 S U S T A I N A B I L I T Y A T P O L Y O N E PolyOne Corporation 15 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 2009 2010 2011 2012 2013 2014 2015 2016* 2017* A D J U S T E D E P S E X P A N S I O N C O N S E C U T I V E Y E A R S PolyOne Corporation 16 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 E A R L Y Y E A R S D E F I N E D B Y S P E C I A L T Y M I X I M P R O V E M E N T PolyOne Corporation 17 2% 65% 2005 2014 $5M $242M + 25% + 33% Specialty OI % of Operating Income C O M M O D I T Y P R U N I N G H E L D O R G A N I C S A L E S F L A T PolyOne Corporation 18 2010 2011 2012 2013 2014 Acquisitions Organic Revenue 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 COMMERCIAL RESOURCES D R I V I N G R E S U L T S PolyOne Corporation 19 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 20 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 5.0% 14.0% 15.0% 16-17% 2006 2017 Platinum Vision Updated Expectations R A I S I N G T H E B A R 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 21 COMMERCIAL EXCELLENCE PolyOne Corporation 22 M I C H A E L G A R R A T T 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 NS E R V I C E S T R A T E G I C I N V E S T M E N T I N 3 K E Y A R E A S PolyOne Corporation 23 531 680130 153 504 618 2014 Q1 2018 R&D / Technical Marketing Sales K E Y C O M M E R C I A L I N V E S T M E N T S PolyOne Corporation 24 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% more sales calls 25% more marketing campaigns 1,000 new customers, expanding customer base by 5% $1.0B increase in new opportunities Enhancing efficiency 8% reduction of average territory size, enabling greater customer focus 20% more prospecting calls 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 25 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 26 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 27 3 Horizons of Development Customization 55% M&A 30% Innovation Pipeline 15% Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Business Focus Innovation comes from 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 28 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Business Focus New development adjacent to our existing technology base New development beyond our current technology base Development within our current technology 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 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Business Focus 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 29 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 Gordon/Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives New development adjacent to our existing technology base New development beyond our current technology base Development within our current technology base Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Business Focus 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 30 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 Retardant Polymers Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers New development adjacent to our existing technology base New development beyond our current technology base Development within our current technology base I N N O V A T I O N P I P E L I N E PolyOne Corporation 31 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch 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 Number of Projects 26 16 20 15 2 79 Color Technologies – – $335 $670 $410 19 $1,415 Barrier Additives – – $160 $255 – 8 $415 Flame Retardant Polymers – – $200 $50 – 14 $250 Thermoplastic Elastomers – – $410 $80 $30 17 $520 Advanced Composites – – $100 $40 – 8 $140 Specialty Vinyl Formulations – – $25 $75 – 13 $100 Total Addressable Market ($ millions) – – $1,230 $1,170 $440 $2,840 12% 38% 2006 2017 $20 $52 2006 2017 Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years I N N O V A T I O N D R I V E S E A R N I N G S G R O W T H PolyOne Corporation 32 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 3 14 2014 2017 Industrial designers $0 $7M 2014 2017 $4M $40M 2014 2017 Opportunity funnel New business revenue 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 34 Enables validation of fit and function Shortens design cycle and time to market Avoids tooling rework Drives innovation Delivers substantial customer value LSS CUSTOMER FIRST PolyOne Corporation 35 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 2014 2017 2 85 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 36 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 37 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 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 21 2014 2017 Inside sellers $11M $88M 2014 2017 Inside sales/digital revenue 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 4 focused end-markets aligned with global megatrends 5 strategic innovation platforms 30% increase in IQ Design projects 35% increase in revenue from inside sales/digital ≥35% vitality index PolyOne Corporation 38 I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 39 SEGMENT REVIEWS POLYONE DISTRIBUTION PolyOne Corporation 40 S C O T T H O R N 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 41 Transportation 23% Healthcare 22% Industrial 18% Consumer 15% Appliance 7% Electrical & Electronics 6% Building & Construction 4% Packaging 3% Wire & Cable 2% $20 $25 $63 $73 2.9% 4.0% 5.9% 6.3% 0.0% 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% 7.0% 15 25 35 45 55 65 75 2005 2009 2013 2017 Operating Income & Margin2017 Revenue | $1.2 Billion http://www.polyone.com/Pages/VariationRoot.aspx http://www.polyone.com/Pages/VariationRoot.aspx S E R V I C E I S O U R B U S I N E S S PolyOne Corporation 42 Uniquely positioned to help our customers grow their brand and value-added solutions 1.2B $ Annual Sales 250 Global Employees 24 Strategic Presence 132 Sales Reps Warehouse Locations 6 Service Centers Dedicated Commercial Team S E R V I C E I S O U R B U S I N E S S S A F E L Y A N D R E S P O N S I B L Y PolyOne Corporation 43 95% on-time delivery Customer/Product Combinations 14,000 Transactions/Month In-Person Customer Visits 6,500 27,000 $ K E Y C O M M E R C I A L I N V E S T M E N T S PolyOne Corporation 44 Generating opportunities 37% more sales calls $65M in new revenue from inside sales $400M increase in new opportunities Enhancing efficiency 24% increase in close rate 51% increase in prospecting calls Increased commercial headcount 119 13211 1315 23 2014 Q1 2018 Sales R&D / Technical Marketing + 18% + 53% + 11% PolyOne Corporation 45 Providing differentiated services that meet the needs of the changing customer landscape G R O W T H T H R O U G H I N S I D E S A L E S $4 $65 2014 2017 PolyOne Distribution Inside Sales $ in millions PolyOne Corporation 46 G R O W T H T H R O U G H M U L T I P L E S A L E S C H A N N E L S Technical Field Sales Key Accounts / Industry Sales Inside Sales Serving a broad spectrum of customers Leveraging digital systems to drive awareness and enhance the customer experience 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 47 P O D S A L E S F U N N E L +27% 2014 $1.2 billion 2017 $1.6 billion 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 >10% annual increase in revenue from inside sales and digital with expanded customer touch points 8% annual expansion of sales funnel with best-in-class service and technical expertise 6-8% compound annual operating income growth 6-7% operating margins PolyOne Corporation 48 SPECIALTY ENGINEERED MATERIALS PolyOne Corporation 49 M I C H A E L G A R R A T T 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 50 Engineered Formulations Advanced Composites Thermoplastic Elastomers Consumer 20% Transportation 19% Electrical & Electronics 15% Wire & Cable 13% Healthcare 11% Industrial 8% Packaging 7% Appliance 4% Building & Construction 3% 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 7 R E V E N U E | $ 6 2 4 M I L L I O N PolyOne Corporation 51 $21 $57 $76 0.1% 5.1% 9.3% 12.1% 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 20 30 40 50 60 70 80 90 2005 2009 2013 2017 Europe 28% United States 48% Asia 22% Canada 2% C A P I T A L I Z I N G O N T H E G L O B A L M A R K E T PolyOne Corporation 52 Demand for engineered materials is accelerating Expanding thermoplastic elastomer portfolio to meet the demands of local consumption Grow and develop low smoke, non-halogen technologies to meet increasing European standards Adding capacity in strategic markets India Germany China North America Establishing a commercial hub in Southeast Asia 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 NS E R V I C E S T R A T E G I C I N V E S T M E N T I N 3 K E Y A R E A S PolyOne Corporation 53 K E Y C O M M E R C I A L I N V E S T M E N T S PolyOne Corporation 54 Generating opportunities 13% more sales calls 36% increase in customization projects $270M increase in new opportunities Enhancing efficiency 12% reduction in average territory size, enabling greater customer focus 50% improvement in speed of formulation turnaround Increased commercial headcount 133 17335 39 120 147 2014 Q1 2018 R&D / Technical Marketing Sales + 30% + 11% + 23% 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 55 S E M S A L E S F U N N E L +43% 2014 $610 million 2017 $880 million L S S C U S T O M E R F I R S T G R O W T H T H R O U G H S E R V I C E PolyOne Corporation 56 Leading Sporting Goods Manufacturer Provided Lean Six Sigma training and led an onsite Black Belt project to improve product development cycle times Reduced innovation project cycle times by over 10% and prototyping by 40% 80% increased production resulting in $500k savings 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 57 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 58 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 PolyOne Corporation 59 Acquired Polystrand Installed LFT production Avon Lake Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Acquired Gordon Composites Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2010 2012 2015 2016 20162009 20122011 2014 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 60 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 17 44 At Acquisition Now Commercial Resources 0% 20% At Acquisition Goal Operating Margins Test Market Innovation Projects 8 PolyOne Corporation 61 A D V A N C E D C O M P O S I T E S Long-term investments align with key global megatrends Light-Weighting Design Flexibility Sustainability 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 >10% annual increase in customization projects 10% annual expansion of sales funnel, enhancing portfolio in 4 focus end markets 20% increase in global capacity 12-15% compound annual operating income growth 14-16% operating margins PolyOne Corporation 62 PERFORMANCE PRODUCTS & SOLUTIONS PolyOne Corporation 63 D O N W I S E M A N 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 E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 64 Specialty Vinyl Solutions Healthcare Formulations Smart Device Materials Flame Retardant Polymers Building & Construction 30% Industrial 18% Transportation 16% Wire & Cable 15% Appliance 7% Packaging 5% Consumer 5% Electrical & Electronics 3% Healthcare 1% Asia 2% United States 77% Mexico 5% Canada 16% 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 7 R E V E N U E | $ 7 2 1 M I L L I O N $40 $33 $56 $77 4.6% 3.6% 7.2% 10.7% 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 16.0% 0 10 20 30 40 50 60 70 80 90 100 2005 2009 2013 2017 PolyOne Corporation 65 $886 $668 $773 $721Sales 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 NS E R V I C E S T R A T E G I C I N V E S T M E N T I N 3 K E Y A R E A S PolyOne Corporation 66 K E Y C O M M E R C I A L I N V E S T M E N T S PolyOne Corporation 67 Generating opportunities 25% more sales calls 113% increase in innovation pipeline $240M increase in new opportunities Enhancing efficiency 36% increase in prospecting calls 300 basis point improvement in operating margin Increased commercial headcount 57 66 17 18 37 53 2014 Q1 2018 R&D / Technical Marketing Sales + 16% + 43% + 6% 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 68 P P & S S A L E S F U N N E L +40% 2014 $610 million 2017 $850 million L S S C U S T O M E R F I R S T G R O W T H T H R O U G H S E R V I C E PolyOne Corporation 69 Leading Wire & Cable Manufacturer Provided Lean Six Sigma training and led on-site Kaizen process improvements Reduced over 400 labor hours through reorganized work area and floor space Increased manufacturing throughput value $1.4M G R O W T H T H R O U G H S E R V I C E PolyOne Corporation 70 IQ Design is collaborating with a leading medical device manufacturer to replace metal and provide chemical resistance to solve cracking issues related to intense cleaning requirements H E A L T H C A R E I N N O V A T I O N S I N N O V A T I O N S P O T L I G H T : F L A M E R E T A R D A N T P O L Y M E R S PolyOne Corporation 71 F L A M E R E T A R D A N T D R I V E R S PolyOne Corporation 72 Shift toward less toxic solutions Increased consumer awareness Focus on environmentally friendly solutions New regulatory standards F L A M E R E T A R D A N T P E R F O R M A N C E S P E C T R U M PolyOne Corporation 73 Flame Retardant Flame Retardant Flame Retardant Non-Halogen No Dripping Low Smoke Low Toxicity & Corrosiveness H A L O G E N N O N - H A L O G E N L S F O H ( L o w S m o k e a n d F u m e , N o n - H a l o g e n ) Non-Halogen R E G U L A T O R Y C H A N G E S P R O V I D E O P P O R T U N I T Y L E D S O L U T I O N S PolyOne Corporation 74 Solutions for rigid molded & extruded applications Superior outdoor weather performance Excellent light dispersion qualities Formulated to meet stringent flame-rating regulations Custom design support to meet demand 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 breakthroughs in healthcare technologies 8-10% compound annual operating income growth 12-14% operating margins PolyOne Corporation 75 COLOR ADDITIVES & INKS PolyOne Corporation 76 M A R K C R I S T 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 77 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants Packaging 27% Industrial 14% Textiles 12% Building & Construction 10% Wire & Cable 10% Transportation 8% Consumer 7% Healthcare 6% Electrical & Electronics 3% Appliance 3% 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 7 R E V E N U E | $ 8 9 3 M I L L I O N $4 $25 $104 $139 0.9% 5.5% 12.2% 15.5% 0.0% 2.0% 4.0% 6.0% 8.0% 10.0% 12.0% 14.0% 16.0% 18.0% 20 30 40 50 60 70 80 90 100 110 120 130 140 150 2005 2009 2013 2017 PolyOne Corporation 78 Europe 32% United States 46% Asia 15% Canada 1% Mexico 4% Brazil 2% C A P I T A L I Z I N G O N T H E G L O B A L M A R K E T PolyOne Corporation 79 Emerging markets driving strong demand for color and additives Rapid adoption of food and beverage packaging additives Fiber colorants growth focused on expanding Asia-Pacific market Increase commercial investments focused on China, India and Mexico Expand capacity in China and leverage investments in India Recent acquisitions increasing global reach 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 NS E R V I C E S T R A T E G I C I N V E S T M E N T I N 3 K E Y A R E A S PolyOne Corporation 80 K E Y C O M M E R C I A L I N V E S T M E N T S PolyOne Corporation 81 Generating opportunities 35% more sales calls 30% increase in customized color formulations 106% increase in innovation pipeline $170M increase in new opportunities Enhancing efficiency 20% increase in prospecting calls 9 days or less in design turnaround time: best-in-class Increased commercial investment 301 382 38 43 209 275 2014 Q1 2018 R&D / Technical Marketing Sales + 27% + 13% + 32% 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 82 C A I S A L E S F U N N E L +32% 2014 $540 million 2017 $710 million L S S C U S T O M E R F I R S T PolyOne Corporation 83 Developed inventory management framework to reduce working capital by 20% Printing Equipment and Supply Manufacturer Provided Lean Six Sigma training and conducted process mapping exercises to identify key improvement opportunities Optimize manufacturing: 45% improvement in assembly process, 25% improvement in cycle time G R O W T H T H R O U G H S E R V I C E I N N O V A T I O N S P O T L I G H T : A D D I T I V E & C O L O R A N T T E C H N O L O G I E S PolyOne Corporation 84 B A R R I E R T E C H N O L O G I E S Active oxygen scavenging additive in the bottle wall Evolving technology for active oxygen scavenging additive in the bottle cap Amosorb™ HyGuard™ UV and visible light blocking additive to prevent degradation of product Lactra™ SX Market leader in oxygen, light and UV barrier solutions for the PET bottle market PolyOne Corporation 85 S T R A T E G I C A D D R E S S A B L E M A R K E T > $ 2 0 0 M F I B E R C O L O R A N T S Eliminate waste water associated with conventional dyeing Help meet sustainability targets for brand owners Enable “uncolored fiber” producers to bypass dyehouse Strategic addressable market >$300M PolyOne Corporation 86 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 PolyOne Corporation 87 Thermoplastic Composites 2011 2015 2018 Acquired ColorMatrix Acquired Magenta Acquired IQAP $10 $45 2014 2017 Revenue from Fiber Color ($ in millions) Invested in development of liquid fiber colorant technology Expanded solid colorant offerings 38 43 At Acquisition Now Commercial Resources Innovation Projects 5 PolyOne Corporation 88 I N V E S T I N G F O R T H E F U T U R E Nearly 900 projects identified Gaining sustainable momentum & building trust with consumers Fiber Sales Funnel $125M “We are unleashing the power of human potential, all to advance the game. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 98 Commercial Resources Operating Income ($ 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 FINANCIAL REVIEW 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 COMMERCIAL RESOURCES 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 CONCLUSION 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

Microsoft Word - AvientRY 2021 CDP Verification Opinion Declaration_07-26-22r WATER RESOURCES • ENVIRONMENTAL SERVICES • HEALTH & SAFETY • CLIMATE CHANGE Apex Companies, LLC • (800) 733-2739 • www.apexcos.com VERIFICATION OPINION DECLARATION GREENHOUSE GAS EMISSIONS To: The Stakeholders of Avient Corporation Apex Companies, LLC (Apex) was engaged to conduct an independent verification of the greenhouse gas (GHG) emissions reported by Avient Corporation (Avient) for the period stated below. Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • HEALTH & SAFETY • CLIMATE CHANGE Apex Companies, LLC • (800) 733-2739 • www.apexcos.com Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. The verification team has extensive experience in conducting assurance over environmental, social, ethical and health and safety information, systems and processes, has over 20 years combined experience in this field and an excellent understanding of Apex’s standard methodology for the verification of greenhouse gas emissions data.

This is to certify that the Occupational Health and Safety Management of: PolyOne Polymers India Pvt. F-27, MIDC, Ranjangaon, Shirur, Pune, Maharashtra 412 220 India ISO 45001:2018 The Occupational Health and Safety Management is applicable to: Certificate No: 55689 Certification Date: 15 March 2017 Effective Date: 09 March 2023 Expiration Date: 14 March 2026 Revision Date: 15 March 2023 Dominic Townsend, President DESIGN MANUFACTURE OF COLOR MASTER BATCHES, ADDITIVES CONCENTRATES AND SPECIALTY COMPOUNDS.

 Consider environmental, health and safety impacts into product design, manufacture, use, reuse, recycling and disposal.  Promote openness and two-way communication with key stakeholders regarding environmental, health and safety measures and risks associated with use, storage, transportation and disposal of our products.

MEDICAL DEVICE DISINFECTION—HOW TO PREVENT CRACKING AND CRAZING Understanding polymer performance is key to minimizing disinfectant-related failures DISINFECTANT-RELATED DAMAGE ON POLYMER HOUSINGS Strong chemicals used to reduce hospital- acquired infections can damage equipment and result in material failures, such as: • Stress cracking • Crazing • Discoloration CHEMICAL RESISTANCE REQUIREMENTS VARY BY ENVIRONMENT • Patient/exam rooms • Operating and radiology rooms • Reception areas • Home (patient equipment & devices) Healthcare devices must perform flawlessly in a myriad of challenging environments and engineers must be certain their devices can withstand increasingly potent disinfectants, which have begun to outstrip the performance of traditional polymers. Additionally, the wide variability of environments that medical devices might see, which can range from home to hospital, mean devices must be able to withstand varying disinfectant strengths, exposure levels and frequencies. Whether you are designing for a medical device housing or a surgical device in the operating room, we offer solutions to meet a wide variety of performance specifications and application needs.

It is the responsibility of the medical device manufacturer and the person placing the medical device on the market to ensure compliance of the medical device with all applicable laws and regulations, including the suitability of all raw materials and components used for its manufacture.

These customizable color solutions enhance brand value and promote product differentiation for medical device, cosmetic, or pharmaceutical polymer applications. OnColor HC Plus Colorants have been tested across a wide range of medical polymers to provide added confidence in meeting these critical bio- compatibility standards. KEY CHARACTERISTICS • Polymer colorants formulated specifically for healthcare product applications • Meets and exceeds various material performance requirements including FDA 21 CFR, ISO 10993 and USP Class VI • HC Plus colorants certified for bio-compatibility • Available as pre-color, concentrate, masterbatch or Smartbatch™ combined colorant/additive solution • Wide range of colors, striking special effects and custom color matching MARKETS AND APPLICATIONS OnColor™ HC and HC Plus Colorants are an excellent choice for medical devices and parts, pharmaceutical or cosmetic packaging, and many other healthcare related polymer applications.