We immediately recognize actuarial gains and losses in our operating results in the year in which the gains or losses occur. Gains and losses on these contracts generally offset gains and losses on the assets and liabilities being hedged. We immediately recognize actuarial gains and losses in our operating results in the year in which the gains or losses occur.

This can help to reduce inventory and can allow the use of general- purpose resin Avient Value-Added Services Avient supports these colorant and additive technologies including: • A focus on sustainability with innovative materials and solutions to help you meet your sustainability goals, including PCR Color Predication Service and Product Footprint Calculator • Leading Color Trend and Design Services - Trend and color insights along with product development assistance from concept through commercialization to optimize design and gain speed to market • Avient Design - A highly specialized group of industrial designers and project engineers that provides advanced design and detailed analysis to foster higher levels of innovation • Application Development and Technical Support - Technical experts specifically trained to work directly with your team to solve definitive application challenges with new or existing approaches • Regulatory Support - Dedicated product stewardship assisting with new product approvals to reduce regulatory overheads and minimize risk • Reliable field technical services and support - Onsite support for tool design, startup, and production optimization to gain manufacturing efficiencies and help resolve technical issues

 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 25 Consecutive Quarters of EPS Growth Note: 2009 has not been restated for subsequent changes in accounting principles or discontinued operations -$0.10 $0.00 $0.10 $0.30 $0.50 $0.60 2009 2010 2011 2012 2013 2014 2015 Adjusted Earnings Per Share -2% 0% 10% 2009 2010 2011 2012 2013 2014 2015 Adjusted Consolidated Operating Margin 2.8% 5.2% 5.6% 6.7% 8.3% 6.9% 9.5% PolyOne Corporation Page 6 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 Distribution 29% PP&S Specialty 51% $1.96 PolyOne Corporation Page 7 Old PolyOne *Operating Income excludes corporate charges and special items 2% 43% 65% 0% 20% 40% 60% 80% 100% 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 Platinum Vision Platinum Vision PolyOne Corporation Page 8 Color and Engineered Materials at the Heart of Specialty Transformation OPERATING MARGIN 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Platinum Vision COLOR, ADDITIVES AND INKS 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2020 Platinum Vision SPECIALTY ENGINEERED MATERIALS PolyOne Corporation Page 9 2006 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Color, Additives & Inks 1.7% 16.7% 20%+ Specialty Engineered Materials 1.1% 14.7% 20%+ Designed Structures & Solutions 1.4% (2012) 3.0% 12 – 14% Performance Products & Solutions 5.5% 8.3% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 65% 80%+ 3) ROIC* 5.0% 11.8% 15% 4) Adjusted EPS Growth N/A 25 Consecutive Quarters of YOY EPS Growth 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 10 Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 10 Film Target End Markets… Healthcare PolyOne Corporation Page 11 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 12 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 13 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 14 Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $20 $53 2006 2015 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 2015 Specialty Platform Gross Margin 12% 43% 2006 2015 Target ≥ 35% Innovation Pipeline Potential PolyOne Corporation Page 15 2,883 2,414 2006 2015 Volume (lbs in millions) -16% $103 $192 2006 2015 Commercial, R&D and Marketing Spending ($M) +86% $303 $721 2006 2015 Adjusted Gross Margin ($M) +138% Investing to Drive Growth Ours Is Not a Cost Cutting Story PolyOne Corporation Page 16 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 17 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% 2006 2015 16.2% 9.7% 2006 2015 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 18 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q4 2015 Pension Funding** As of December 31, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA*= 2.1x ** includes US-qualified pension plans only *TTM 12/31/2015 $550 $600 $200 $300 $400 $500 $600 $700 $800 2022 2023 Debt Maturities As of December 31, 2015 ($ millions) Coupon Rate: 3.750% 5.250% PolyOne Corporation Page 19 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 1.0 million shares in Q4 2015  Repurchased 15.8 million shares since early 2013  4.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 20 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; the effect of changes in accounting principles or other such laws or provisions affecting reported results; and tax adjustments.

 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 Confirmation of Our Strategy Specialization Globalization Operational Excellence Commercial Excellence Driven by our core values of Collaboration, Innovation and Excellence, we are the world’s premier provider of specialized polymer materials, services and solutions PolyOne Corporation Page 8 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 9 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 10 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 11 Lightweighting with Advanced Composites Increasing Healthcare Penetration Innovation Initiatives Expansion in Consumer Markets New Market Development $$$ $$ $ High Temperature Polymers PolyOne Corporation Page 12 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 13 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 14 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q3 2015 Pension Funding** As of September 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.1x $49 $121 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of September 30, 2015 ($ 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 15 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 16 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties, remediation costs and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results

It starts with an initial dialog to understand the customer’s product needs, brand goals, and market requirements. By collaborating with ColorWorks, brand owners, marketers, and product designers gain access to a robust ecosystem of creativity and technical expertise. Impactful, market-ready CMF concepts that captivate consumers and drive business success.

V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Specialization Commercial Excellence Operational Excellence Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions PolyOne Corporation 5 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N 9% United States 59% 14% Latin America 9% Canada PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction Electrical & Electronics 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 6 $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 7 76% 2005 2017 $5M $280M + 25% + 33% Specialty OI % of Operating Income Consistently Deliver Double Digit Annual EPS Growth *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period PolyOne Corporation 8 2006 2017 2020 “Where we were” “Where we are” Platinum Vision ROIC* 5.0% 14.0% 15.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% 20%+ Specialty Engineered Materials 1.1% 12.5% 20%+ Performance Products & Solutions 5.5% 10.7% 12-14% Distribution 2.6% 6.3% 6.5-7.5% P R O O F O F P E R F O R M A N C E & P L A T I N U M V I S I O N 531 660130 149 504 607 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 G R O W T H PolyOne Corporation 9 Increased commercial headcount Largest organic revenue growth since recession $2.9 $2.9 $3.2 2015 2016 2017 Revenue in billions of $ + 24% + 15% + 20% Total + 10% Organic + 7% Free Cash Flow (In millions) ROIC* PolyOne Corporation 10 $50 $116 $143 $0 $40 $80 $120 $160 $200 2012 2014 2016 2018 10.8% 11.3% 12.9% 11.0% 13.0% 15.0% 2012 2014 2016 2017 2020 Platinum Vision $200 - $220 F R E E C A S H F L O W A N D I M P R O V I N G R E T U R N S *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period 15.0% $767M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 9 5 0 M I L L I O N S I N C E 2 0 1 1 PolyOne Corporation 11 $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 2017 $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.58 $0.70 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Cumulative Share Repurchases (In millions) Increasing Annual Dividend Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 12 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives I N N O V A T I O N P I P E L I N E PolyOne Corporation 13 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 2 2 36 5 13 4 6 7 Breakthrough Platform Derivative Number of Projects 33 17 20 15 5 90 Total Addressable Market ($ millions) - - $800 $1,400 $600 $2,800 F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S 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 14 Launched in 2014, IQ Design Labs is our in-house industrial design team that focuses on material selection and processing expertise to help with problem solving, enabling our clients to develop higher performance products. 1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; the effect of changes in accounting principles or other such laws or provisions affecting reported results and tax adjustments. Segment highlights COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials Performance Products & Solutions Performance Products & Solutions DISTRIBUTION Target end markets & �application examples Slide Number 26 Slide Number 27 Slide Number 28 Slide Number 29 Slide Number 30 Slide Number 31 Slide Number 32 Slide Number 33 Slide Number 34 Slide Number 35 Slide Number 36 Slide Number 37 Investor Presentation - March 2018 r4.pdf Investor Presentation - March 2018

Special items for the fourth quarter of 2022 had a $(0.42) impact on EPS and included acquisition-related costs that primarily consist of inventory step-up adjustments, restructuring costs, debt extinguishment costs, and a pension market-to-market adjustment. 2 On a pro forma basis, fourth quarter and full year adjusted EPS were $0.42 and $3.04, respectively, which excludes special items and intangible amortization expense, exceeding previous guidance of $0.33 and $2.95. Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: 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 effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows including, without limitation, any supply chain and logistics issues; changes in laws and regulations regarding plastics in jurisdictions where we conduct business; 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; our ability to achieve strategic objectives and successfully integrate acquisitions, including Avient Protective Materials; an inability to raise or sustain prices for products or services; our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; information systems failures and cyberattacks; amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions. Three Months Ended December 31, 2022 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net (loss) income from continuing operations attributable to Avient shareholders $ (17.0) $ (0.19) $ 11.2 $ 0.12 Special items, after tax (Attachment 3) 38.3 0.42 23.9 0.26 Amortization expense, after-tax 14.6 0.16 11.3 0.12 Adjusted net income / EPS $ 35.9 $ 0.39 $ 46.4 $ 0.50 (1) Per share amounts may not recalculate from figures presented herein due to rounding Year Ended December 31, 2022 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 82.8 $ 0.90 $ 151.8 $ 1.65 Special items, after tax (Attachment 3) 116.2 1.26 50.0 0.54 Amortization expense, after-tax 49.0 0.53 44.9 0.49 Adjusted net income / EPS $ 248.0 $ 2.69 $ 246.7 $ 2.68 (1) Per share amounts may not recalculate from figures presented herein due to rounding 9 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended December 31, 2022 2021 2022 2021 Sales $ 790.4 $ 807.1 $ 3,396.9 $ 3,315.5 Cost of sales 618.4 590.5 2,514.2 2,371.7 Gross margin 172.0 216.6 882.7 943.8 Selling and administrative expense 171.6 166.4 639.4 664.1 Operating income 0.4 50.2 243.3 279.7 Interest expense, net (49.4) (17.5) (119.8) (75.2) Other expense, net (28.4) (5.3) (59.7) (1.0) (Loss) income from continuing operations before income taxes (77.4) 27.4 63.8 203.5 Income tax benefit (expense) 60.8 (17.1) 19.3 (51.9) Net (loss) income from continuing operations (16.6) 10.3 83.1 151.6 Income from discontinued operations, net of income taxes 561.5 18.7 620.3 79.0 Net income 544.9 29.0 703.4 230.6 Net (income) loss attributable to noncontrolling interests (0.4) 0.9 (0.3) 0.2 Net income attributable to Avient common shareholders $ 544.5 $ 29.9 $ 703.1 $ 230.8 Earnings per share attributable to Avient common shareholders - Basic: Continuing operations $ (0.19) $ 0.12 $ 0.91 $ 1.66 Discontinued operations 6.17 0.21 6.80 0.87 Total $ 5.98 $ 0.33 $ 7.71 $ 2.53 Earnings per share attributable to Avient common shareholders - Diluted: Continuing operations $ (0.19) $ 0.12 $ 0.90 $ 1.65 Discontinued operations 6.17 0.20 6.73 0.86 Total $ 5.98 $ 0.32 $ 7.63 $ 2.51 Cash dividends declared per share of common stock $ 0.2475 $ 0.2375 $ 0.9600 $ 0.8750 Weighted-average shares used to compute earnings per common share: Basic 91.0 91.5 91.2 91.4 Diluted 91.0 92.4 92.2 92.1 10 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended December 31, Year Ended December 31, 2022 2021 2022 2021 Cost of sales: Restructuring costs, including accelerated depreciation $ (21.3) $ (6.0) $ (31.1) $ (14.6) Environmental remediation costs (0.4) (0.5) (24.2) (22.9) Reimbursement of previously incurred environmental costs — — 8.3 4.5 Acquisition related costs (23.8) 0.6 (34.1) (0.6) Impact on cost of sales (45.5) (5.9) (81.1) (33.6) Selling and administrative expense: Restructuring, legal and other (8.3) (4.2) (8.3) (5.9) Acquisition related costs (6.1) (1.1) (19.3) (8.3) Impact on selling and administrative expense (14.4) (5.3) (27.6) (14.2) Impact on operating income (59.9) (11.2) (108.7) (47.8) Interest expense, net - committed financing and debt extinguishment (16.0) — (26.0) — Mark-to-market on derivatives — — (30.9) — Pension and post retirement mark-to-market adjustment and other (28.4) (9.3) (28.4) (9.3) Impact on Other expense, net (28.4) (9.3) (59.3) (9.3) Impact on income from continuing operations before income taxes (104.3) (20.5) (194.0) (57.1) Income tax benefit benefit/(expense) on above special items 26.8 4.1 49.4 13.0 Tax adjustments(2) 39.2 (7.5) 28.4 (5.9) Impact of special items on net income from continuing operations $ (38.3) $ (23.9) $ (116.2) $ (50.0) Diluted earnings per common share impact $ (0.42) $ (0.26) $ (1.26) $ (0.54) Weighted average shares used to compute adjusted earnings per share: Diluted 91.7 92.4 92.2 92.1 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results

P l O I t P t tiPolyOne Investor Presentation KeyBanc Capital Markets Basic Materials & Packaging Conference September 2016p PolyOne Corporation Page 1 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; the effect of changes in accounting principles or other such laws or provisions affecting reported results; and tax adjustments. Q2 POL IR Presentation - 2016 KeyBanc Capital Markets Basic Materials & Packaging Conference Investor Presentation - September 14, 2016 r4 Investor Presentation - September 14, 2016

Course evaluations, focus groups and program pilot techniques are utilized to gain insight to program effectiveness and monitor opportunities for enhancement.

Future Mobility Innovations Gain Traction with Visionary PolyOne Materials and Services Portfolio