July 2024 HUMAN RIGHTS POLICY OUR COMMITMENT Avient is dedicated to conducting business ethically and with integrity, and our Human Rights Policy is part of our commitment to socially responsible business practices. These principles are integrated into our core values of Integrity, Honesty and Respect and are reflected in our guidelines for ethical behavior, as outlined in the Avient Code of Conduct and Supplier Code of Conduct. Avient forbids the use of any form of child labor in connection with Avient’s business.

Mesa, Comptek, SilCoTec, Gordon Composites and Polystrand, including whether such businesses will be accretive, retain the management teams of acquired businesses, and retain relationships with customers of acquired businesses; disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability; the speed and extent of an economic recovery, including the recovery of the housing market; our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; an inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals; an inability to raise or sustain prices for products or services; an inability to maintain appropriate relations with unions and employees; our ability to continue to pay cash dividends including at the increasing rate, which will be subject to, among other factors, market conditions, our cash flow and cash requirements and restrictions contained in any of our debt agreements; the amount and timing of repurchases of our common shares, if any; and other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

Approximately 90% of Avient’s products met this criteria in 2020 By 2030, Avient will obtain directly or contract for 60% of its electricity demand from renewable sources and achieve 100% renewable energy by 2050 31% of Avient’s electricity demand globally was from renewable sources in 2020, up from 0.69% in 2019

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. PolyOne Corporation Page 4 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 • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $92 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 69% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 Q1 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $60M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs.  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 18 Appendix PolyOne Corporation Page 19 $0.17 $0.22 $0.24 $0.31 $0.44 $0.46 $0.00 $0.25 $0.50 Q1'10 Q1'11 Q1'12 Q1'13 Q1'14 Q1'15 Adjusted EPS $30 $34 $25 $30 $35 Q1 2014 Q1 2015 GCAI Operating Income (in millions) $18 $23 $15 $20 $25 Q1 2014 Q1 2015 GSEM Operating Income (in millions) Q1 2015 Financial Highlights  Global Specialty Engineered Materials’ operating margin of 16.3% above the 2015 target  Global Color Additives and Inks’ operating margin grew to 16.2%  First quarter adjusted EPS has grown on average 23% per year since 2010 +26% +11% PolyOne Corporation Page 20 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 16.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 36% PolyOne Corporation Page 21 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 16.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 33% 19% PolyOne Corporation Page 22 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 2.7% 12-14% 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 23 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 6.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 24 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 5.9% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2020 Operating Income % of Sales 15% 50% 2006 Q1 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 25 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 26 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Four consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  103 trained Black Belts  247 trained Green Belts  127 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 29 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 30 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior organoleptic properties PolyOne Corporation Page 35 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  Our ability to realize anticipated savings and operational benefits from the realignment of assets, including the closure of manufacturing facilities;  The timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts;  Separation and severance amounts that differ from original estimates;  Amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates;  Our ability to identify and evaluate acquisition targets and consummate acquisitions;  The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, retain relationships with customers of acquired companies, and achieve the expected results of such acquisitions, including whether such businesses will be accretive to our earnings;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks;  Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. PolyOne Corporation Page 4 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 – 2015 2016 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 • Substantial EPS growth from $0.13 to all-time high of $1.96 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence Associates PolyOne Corporation Page 6 26 Consecutive Quarters of EPS Growth PolyOne Corporation Page 7 2015 Revenues: $3.4 Billion End Markets 2015 Revenues: $3.4 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Adjusted EPS 66% Building & 10%Electrical & Textiles $1.96 Distribution 29% PP&S CAI 23% SEM 15%DSS PolyOne Corporation Page 8 Old PolyOne *Operating Income excludes corporate charges and special items 43% 65% 0% 40% 80% 2005 2010 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $87M $229M Mix Shift Highlights Specialty Transformation Transformation 2020 PolyOne Corporation Page 9 Color and Engineered Materials at the Heart of Specialty Transformation OPERATING MARGIN 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 12.2% 16.7% 17.0% COLOR, ADDITIVES AND INKS 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 16.6% SPECIALTY ENGINEERED MATERIALS PolyOne Corporation Page 10 2006 1Q 2016 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Color, Additives & Inks 1.7% 17.0% 20%+ Specialty Engineered Materials 1.1% 16.6% 20%+ Designed Structures & Solutions N/A 2.5% (TTM) 8 – 10% Performance Products & Solutions 5.5% 11.9% 12 – 14% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 61% 80%+ 3) ROIC* 5.0% 12.0% 15% 4) Adjusted EPS Growth N/A 22% Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 11 Therma-Tech™ & Sheet GEON™ Vinyl Polymer ColorantsTherma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 11 Film Target End Markets… Healthcare PolyOne Corporation Page 12 TPE + OnForce OnForce TPE Vibration Dampening (SEM/GLS) TPE & Film (SEM + DSS) Polymer Colorants (CAI) Thermatech Thermoplastic Elastomers TPE + OnForce OnForce Thermoplastic Elastomers Polymer Colorants (CAI) Sheet (DSS) Source: Outdoor Industry Association Target End Markets… Outdoor High Performance PolyOne Corporation Page 13 Sound & Vibration Management Fuel Handling Systems Interior & Exterior Trim Structural Braces & Brackets Interior Structural Components Lighting Air management Electronics & Cameras Fluid Handling Target End Markets… Automotive Underhood Components Roof Systems PolyOne Corporation Page 14 Target End Markets… Packaging PreservaPak™ OnColor™ Smart Batch™ VersaFlex™ TPE Cap Liner ColorMatrix™ Amosorb™ Oxygen Scavenger ColorMatrix™ Ultimate™ UV Light Barrier OnCap™ Laser Marking Additives PolyOne Corporation Page 15 Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $53 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 34% CAI & SEM Gross Margin 43% Target ≥ 35% Innovation Pipeline Potential PolyOne Corporation Page 16 2,883 2,414 Volume (lbs in millions) -16% $103 $192 Commercial, R&D and Marketing Spending ($M) +86% $303 $721 Adjusted Gross Profit ($M) +138% Ours is Not a Cost Cutting Story PolyOne Corporation Page 17 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 18 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers  Providing training in Customer Centric Selling Skills with customers World’s Best Business Process Excellence Program in 2012* World’s Best Start-up program for Lean Six Sigma Deployment in 2009* 81% 93% 16.2% On-Time Delivery Working Capital % of Sales  52% of associates trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry Commitment to Operational Excellence PolyOne Corporation Page 19 30% 40% 50% 70% 80% 90% 2008 1Q 2016 Pension Funding** As of 2016年3月31日 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA*= 2.5x ** includes US-qualified pension plans only*TTM 3/31/2016 $550 $600 $200 $300 $400 $500 $600 $700 $800 2022 2023 Debt Maturities As of 2016年3月31日 ($ millions) Coupon Rate: 3.750% 5.250% PolyOne Corporation Page 20 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased 1.5 million shares in Q1 2016  Repurchased 17.3 million shares since early 2013  10.0 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 21 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 22 Appendix PolyOne Corporation Page 23 $0.24 $0.31 $0.44 $0.46 $0.56 $0.00 $0.25 $0.50 $0.75 1Q'12 1Q'13 1Q'14 1Q'15 1Q'16 Adjusted EPS 1Q 2016 Financial Highlights  Performance Products & Solutions operating margin grew 540 basis points year-over-year to 11.9%  Distribution operating margin expanded 60 basis points to a record first quarter level of 6.5%  First quarter adjusted EPS has grown on average 24% per year since 2012 $11 $0 $5 $10 $15 $25 1Q'15 1Q'16 PP&S Operating Profit $16 $18 $10 $12 $14 $16 $18 1Q'15 1Q'16 POD Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 24 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 12.2% 16.7% 17.0% Color, Additives and Inks 2015 Revenues: $0.8 Billion Solutions Expanding Profits2015 Revenue by Industry Segment 48% 33% Building & Electrical & 1% 31% Textiles PolyOne Corporation Page 25 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 16.6% Specialty Engineered Materials 2015 Revenues: $0.5 Billion Solutions 2015 Revenue by Industry Segment Expanding Profits 12.1% 49% 29% Building & Electrical & 19% 15% PolyOne Corporation Page 26 1.4% 5.6% 7.3% 3.0% 8-10% 0.4% 2012 2013 2014 2015 1Q'16 2020 Designed Structures and Solutions Solutions2015 Revenues: $0.5 Billion Expanding Profits2015 Revenue by Industry Segment Appliances, Building & Construction Industrial 24% Packaging 19% Transportation 33% 97% PolyOne Corporation Page 27 Building & 31% Electrical & 1% 5% Transportation 19% Wire & Cable 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.3% 12-14% Performance Products and Solutions Solutions Expanding Profits 2015 Revenues: $0.7 Billion 11.9% 2015 Revenue by Industry Segment 7.7% 79% PolyOne Corporation Page 28 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5-7.5% 6.5% 15% 54% 2006 1Q 2016 Distribution Key Suppliers2015 Revenues: $1.0 Billion ROIC Expanding Profits 6.1% Building & 4%Consumer Electrical & 23% 24% http://www.avient.com/Pages/VariationRoot.aspx http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 29 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 30 Application Examples PolyOne Corporation Page 31 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 Source: Outdoor Industry Association PolyOne Corporation Page 32  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 33 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 34 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 35 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Range Rover Evoque Interior PolyOne Corporation Page 36 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 37 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior sensory properties PolyOne Corporation Page 38 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc. 1 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 U.S.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. PolyOne Corporation Page 4 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 • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Building & 10% Electrical & 11% 9% Distribution 28% PP&S Specialty 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 Adjusted EPS PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $183M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.1% 20%+ Designed Structures & Solutions 1.4% (2012) 3.5% 12 – 14% Performance Products & Solutions 5.5% 8.1% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 80%+ 3) ROIC 5.0% 11.9% 15% 4) Adjusted EPS Growth N/A 24 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 8 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $52 2006 TTM Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 TTM Specialty Platform Gross Margin % 12% 43% 2006 TTM Specialty Vitality Index Target ≥ 35% TTM 9/30/15 TTM 9/30/15 TTM 9/30/15 PolyOne Corporation Page 9 Innovation Pipeline Potential Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 12 4 9 6 1 6 3 7 4 5 6 1 1 7 2 Breakthrough Platform Derivative Number of Projects 12 10 23 19 10 74 Specialty Addressable Market ($ millions) - - $1,150 $1,000 $250 $2,400 PolyOne Corporation Page 10 Lightweighting with Advanced Composites Increasing Healthcare Penetration Innovation Initiatives Expansion in Consumer Markets New Market Development $$$ $$ $ High Temperature Polymers PolyOne Corporation Page 11 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 12 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers • Supporting customers who lack their own formal process improvement initiatives  Providing training in Customer Centric Selling Skills with customers’ sales force PolyOne Corporation Page 13 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q3 2015 Pension Funding** As of 2015年9月30日 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.1x $49 $121 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of 2015年9月30日 ($ millions) Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.49% as of 9/30/15 **TTM 9/30/2015 PolyOne Corporation Page 14 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 2.4 million shares in Q3 2015  Repurchased 14.8 million shares since early 2013  5.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 15 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 16 Appendix PolyOne Corporation Page 17 $0.20 $0.28 $0.36 $0.49 $0.54 $0.00 $0.15 $0.30 $0.45 $0.60 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 Adjusted EPS Q3 2015 Financial Highlights  Color Additives & Inks operating margin reaches record third quarter level of 17.3%  Specialty Engineered Materials operating margin grew 210 basis points year-over-year to 14.7%  Third quarter adjusted EPS has grown on average 28% per year since 2011 $13 $19 $29 $30 $35 $0 $10 $20 $30 $40 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GCAI Operating Profit $11 $13 $15 $18 $20 $10 $14 $18 $22 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GSEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 18 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 17.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 44% 36% PolyOne Corporation Page 19 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 15.1% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 44% 33% 19% PolyOne Corporation Page 20 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 3.5% 12-14% 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 21 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.1% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 22 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales 15% 52% 2006 Q3 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 23 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 24 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  113 trained Black Belts  235 trained Green Belts  151 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 25 Application Examples PolyOne Corporation Page 26 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 Source: Outdoor Industry Association PolyOne Corporation Page 27  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 28 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 29 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 30 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 31 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 32 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior sensory properties PolyOne Corporation Page 33 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to acquisitions, including any expected synergies;  Our ability to successfully integrate acquired companies and achieve the expected results of the acquisitions, including, without limitation, the acquisitions being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. PolyOne Corporation Page 4 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 • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $87 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 69% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 Q1 2015 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 $242M $60M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs.  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 17 Appendix PolyOne Corporation Page 18 $0.44 $0.46 $0.40 $0.45 $0.50 Q1 2014 Q1 2015 Adjusted EPS $30 $34 $25 $30 $35 Q1 2014 Q1 2015 GCAI Operating Income (in millions) $18 $23 $15 $20 $25 Q1 2014 Q1 2015 GSEM Operating Income (in millions) Q1 2015 Financial Highlights  Global Specialty Engineered Materials’ operating margin of 16.3% above the 2015 target  Global Color Additives and Inks’ operating margin grew to 16.2%  Adjusted EPS growth despite unfavorable foreign exchange and market dynamics • Ex. currency, EPS grew 10.5% +5% +26% +11% PolyOne Corporation Page 19 Building & 7% Electrical & 1% 31% Textiles 7% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 12-16% 16.2% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2015 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Target 36% PolyOne Corporation Page 20 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12-16% 16.3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2015 Operating Income % of Sales Target 12.1% 33% 19% PolyOne Corporation Page 21 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 2.7% 8-10% 2012 2013 2014 Q1 2015 2015 Operating Income % of Sales Target PolyOne Corporation Page 22 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 6.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2015 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 9-12% Target 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 23 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 5.9% 6-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Q1 2015 2015 Operating Income % of Sales 15% 52% 2006 2014 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Target http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 24 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 25 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Four consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  103 trained Black Belts  247 trained Green Belts  127 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 26 Application Examples PolyOne Corporation Page 27  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 28 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 29 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 30 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 31 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 32 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 33 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior organoleptic properties PolyOne Corporation Page 34 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. PolyOne Corporation Page 4 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 • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Building & 10% Electrical & 11% 9% Distribution 28% PP&S 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $13 $31 $46 $46 $87 $96 $122 $195 $242 2006 2007 2008 2009 2010 2011 2012 2013 2014 Specialty Operating Income ($M) PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 67% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $124M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 -100% 0% 200% 300% 400% 500% 600% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs.  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 18 Appendix PolyOne Corporation Page 19 $0.19 $0.26 $0.30 $0.37 $0.51 $0.57 $0.00 $0.25 $0.50 Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2'15 Adjusted EPS Q2 2015 Financial Highlights  Global Color Additives & Inks operating margin reaches record level of 18.2%  Global Specialty Engineered Materials operating margin grew 240 basis points year-over-year to 14.4%  Second quarter adjusted EPS has grown on average 25% per year since 2010 $13 $14 $24 $31 $38 $40 $10 $30 $50 Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2'15 GCAI Operating Profit $12 $13 $13 $15 $19 $20 $10 $14 $18 $22 Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2'15 GSEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 20 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 17.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 36% PolyOne Corporation Page 21 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 15.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 33% 19% PolyOne Corporation Page 22 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 3.3% 12-14% 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 23 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.6% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 24 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.5% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales 15% 52% 2006 Q2 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 25 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 26 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  114 trained Black Belts  222 trained Green Belts  140 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 29 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 30 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior sensory properties PolyOne Corporation Page 35 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.

LIGHTING MANUFACTURER S T R E E T L I G H T A R M • Limit corrosion • Replace metal insert, maintaining strength • Black color • UV resistance, as used for an outdoor application • Electrical isolation • Utilized simulation services from Avient Design to optimize the product’s design for performance and processability • Achieved required ageing test with the support from R&D and ADTS • Replaced the need to use a metal insert, reducing part weight, cost and simplifying the production process OnForce Long Glass Fiber Reinforced Polypropylene Composites KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION STRENGTH + UV RESISTANCE LEARN MORE © 2024 Avient Corporation, All Rights Reserved https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites Lighting manufacturer

These diverse formulations can be customized with various additives to meet a broad range of performance requirements. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.