Patterson 12:00-1:00 PM Lunch PolyOne Corporation Page 7 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 18 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Targeting $2.50 adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 8 Specialty 54% PP&S Distribution 28% 2013 Revenues: $3.8 Billion 2013 Revenues: $3.8 Billion United States 67% Latin America $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 End Markets Specialty Operating Income PolyOne At a Glance Building & 9% HealthCare 11% Appliance Electronics & Electrical PolyOne Corporation Page 9 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 64% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 Q1 2014 2015 % o f O p e ra ti n g I n c o m e * JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $60M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 10 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 11 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% 450.00% 550.00% PolyOne S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs. S&P 500 All time high of $39.55 May 13th, 2014 PolyOne Corporation Page 12 2006 Q1 2014 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 13.8% 12 – 16% Global Specialty Engineered Materials 1.1% 11.6% 12 – 16% Designed Structures & Solutions -- 6.5% 8 – 10% Performance Products & Solutions 5.5% 7.7% 9 – 12% Distribution 2.6% 6.1% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 64% 65 – 75% 3) ROIC* 5.0% 9.4% 15% 4) Adjusted EPS Growth N/A 42% Double Digit Expansion Proof of Performance & 2015 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 13 Bridge to $2.50 Adjusted EPS by 2015 2015 EPS: $2.50 2013 EPS: $1.31 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue CAGR PolyOne Corporation Page 14 Financial Highlights Bradley C. Patterson President and Chief Executive Officer PolyOne Corporation Page 36 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 37 Innovation Drives Earnings Growth $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 PolyOne Corporation Page 38 Formula for Success Innovation Market Beating Performance Excellence in Execution PolyOne Corporation Page 39 Track Record of Successful Integrations and Rapid Operating Income Growth $12 $44 2007 2013 $22 $30 2012 2013 $24 $49 2012 2013 GLS ColorMatrix Spartech OI in $ millions PolyOne Corporation Page 40 2015 and Beyond Innovation will drive the next stage in our remarkable transformation Deliver on 2015 goals Expand Specialty offerings and possibilities Identified as a truly global, specialty chemical company Market Potential Exceeds $40 Billion PolyOne Corporation Page 41 Driving Toward Premier Profitability EBIT Margins for top tier companies Victrex 42% Sigma Aldrich 18% FMC 25% IFF 18% Eastman 17% Hexcel 16% 16% Rockwood Holdings Celanese 14% 7% EBIT Margin – 2013 Albemarle 24% Ecolab 13% PolyOne Corporation Page 42 Bright Future & High Aspirations – The Next Seven Years • % OP Income from Specialty - 5% • Market Cap - $500 Million • Revenue - $2.6 Billion • Commodity Peers • Specialty ROS - 1.5% • % OP Income from Specialty - 62% • Market Cap - $3.5 Billion • Revenue - $3.7 Billion • Specialty ROS - 9.4% • % OP Income from Specialty - 80 to 90% • Market Cap - $12 to $18 Billion • Revenue - $8 to $10 Billion • Specialty Peers • Specialty ROS - ≥ 20% 2000 – 2006 2007 – 2013 2014 – 2020 PolyOne Corporation Page 43 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

$0.30 $0.52 Q4 2020 ORGANIC PERFORMANCE 3 Sales $922 $997 +8% Operating Income EPS $58 $80 +38% +73% • Record 4th quarter sales, adjusted operating income and adjusted EPS performance • All segments delivered year-over-year sales and operating income growth, led by consumer and healthcare end markets • Clariant Masterbatch integration synergy capture ahead of schedule: $5 million realized in 2020 ($ in millions except EPS) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q4 2020 SEGMENT PERFORMANCE 4 Sales Operating Income $100 $100 $100 $922 $100 $100 $100 $997 Distribution CAI SEM Total 2019 2020 $178 $272 $490 $191 $305 $526 SEM Distribution CAI +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total $17 $19 $40 $18 $30 $58 Distribution SEM CAI +38% +45% +58% +6% (3) (3) (1) (2) (1) Total company sales include intercompany sales eliminations (2) Total company reflects adjusted operating income and includes corporate costs (3) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 2020 HIGHLIGHTS 5 • Completed transformational Clariant Masterbatch acquisition and created new brand name Avient • Increased pro forma adjusted EPS 11% from $1.74 to $1.93 as an essential supplier during the pandemic and due to growth in demand for consumer applications • Specialty Engineered Materials delivered record operating income on gains from composites • Achieved record free cash flow, increased dividend for 10th year in a row and delevered from 3.5x to 2.7x net debt to pro forma adjusted EBITDA • Culture is everything: Certified as a Great Place to Work® $133 $150 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies • Acquisition of Clariant Masterbatch significantly expands presence in healthcare, packaging and consumer end markets • Strength of portfolio – 13% EBITDA growth as an essential supplier in COVID response and recovery • Acquisition completed on July 1, 2020 for $1.4 billion. Purchase price multiple rapidly declining on strength of business and synergy capture (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 7 SEM • Composites and Outdoor High Performance applications drove positive mix within SEM • Clariant Masterbatch synergy realization under way and expected to drive further margin expansion in 2021 • Portfolio transformation to high growth end markets with focus on sustainable solutions megatrend 10.1% 11.8% EBITDA MARGIN EXPANSION Distribution 6.3% 6.0% 15.2% 17.6% 11.1% 12.1% 14.5% 19.8% 13.5% 16.1% 6.4% 6.3% 15.2% 16.2% Full YearQ4 (2) (2) Total company reflects adjusted EBITDA margins SPOTLIGHT: COMPOSITES 8 • SEM delivers a record year in 2020 – 13% operating income growth and over 200 bps in margin expansion year-over-year • Prior investments in composites platform and outdoor high performance applications paying off, resulting in substantial growth over the last two years SEM Operating Income (OI % of Sales) $(0.1) $(1.0) $2.2 $19.1 $26.8 2016 2017 2018 2019 2020 Composites Performance (Operating Income) $83.7 $94.4 2019 2020 (11.2%) (13.3%) 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 11 12 13 14 15 16 17 18 19 20 $19 $160 $338 2011 2019 2020 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 0.85 11 12 13 14 15 16 17 18 19 20 21E FREE CASH FLOW AND CAPITAL ALLOCATION 9 Free Cash Flow Dividends Share Repurchases Deleveraging 3.5x 2.7x Growing Dividend Cumulative Buybacks Net Leverage $B n $ p e r sh ar e Cash Generation ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$350MM PAID OVER LAST 10 YEARS ~$338MM 2.7x NET LEVERAGE (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition GREAT PLACE TO WORK! 10 2021 O U TLO O K Synergies ($ millions) Initial Three-Year Estimate Revised Three-Year Estimate 2021 Expected Realization Administrative $ 18 $ 20 $ 15 Sourcing 24 30 15 Operational 18 25 5 Total Synergies $ 60 $ 75 $ 35 CLARIANT INTEGRATION & COST SYNERGIES UPDATE 12 • Integration going extremely well: synergy target increased from $60 million to $75 million • $5 million of synergies in 2020 and expect to realize $35 million in 2021 • Relentless focus on guiding principles of safety first, employee collaboration and exceeding customer expectations • Future revenue synergies are not part of these estimates and represent additional growth over the long term $86 $103 $0.53 $0.70 ORGANIC GROWTH PROJECTIONS – Q1 13 Sales Adjusted Operating Income $991 $1,090 + 10% Adjusted EPS + 20% + 32% (in millions) (in millions) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition $308 $360 $1.93 $2.40 ORGANIC GROWTH PROJECTIONS – FULL YEAR 14 Sales Adjusted Operating Income $3,783 $4,100 + 8% Adjusted EPS + 17% + 24% (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (in millions) (in millions) 2020 Pro forma $3,783 $308 Sustainable Solutions 60 11% 24 Healthcare 60 11% 18 Composites 20 10% 10 Growth in Emerging Regions 50 7% 11 Other (GDP growth) 82 5% 11 Sub-total $4,055 7% $382 COVID Response Applications (25) - (11) Outdoor High Performance Applications (15) - (7) Asia Payroll Tax Subsidy (COVID) - - (4) FX Impact 85 - 7 Synergies - - 30 Incentives, Travel, Other Employee Costs - - (37) 2021 Estimated $4,100 8% $360 2021 ORGANIC SALES AND OPERATING INCOME 15 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (2) COVID Response Applications: facemasks, personal protective equipment Sales Growth Rate Operating Income$ millions (2) CASH FLOW AND LEVERAGE 16 • Asset light business generates significant free cash flow • Cash generation in 2021 partially offset by restructuring activities to capture synergies associated with the Clariant Masterbatch acquisition • Cash flow deployed to M&A, opportunistic share repurchases and balance sheet / leverage reduction 3.5x 2.7x 2.1x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition ($ millions) 2020 2021E Adjusted EBITDA 382 510 Working Capital: Source / (Use) 116 (30) Cash Taxes (40) (53) Interest Paid (67) (76) CapEx (62) (75) CapEx for Synergy Capture (2) (20) Restructuring for Synergy Capture (11) (25) Other 22 19 Free Cash Flow 338 250 We sell solutions not commodities.

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 3 AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial GuidanceCompany Overview Revenue By: 9,700 Employees 104 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable material solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.13B Revenue $500M Adjusted EBITDA Adjusted EBITDA Margins $180M Free Cash Flow Over $1B in share buybacks since 2011 Raised dividend for 13 consecutive years, a 15% CAGR since 2011 U.S. & Canada 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 9% 4% 4% Building & Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. GUIDANCE $800 $754 $128 $123 Sales Adjusted EBITDA $0.56 $0.57 13 • Demand impacted by destocking and cautious customer sentiment • Positive net price benefit: o CAI - Pricing flat and raw material deflation o SEM - Pricing flat with unfavorable mix related to healthcare, more than offset with raw material deflation • Cost reductions driven by Clariant synergies and reduced administrative costs Q3 EBITDA BRIDGE ($ millions) CAI: Price / Mix -) Deflation 22) SEM: Price / Mix (6) Deflation 13) Net Price Benefit 29) Cost Reductions 13) Wage Inflation (8) FX 1) Q3 2023 Actual $ 123) Adjusted EBITDA Q3 2022 Pro Forma $ 137) Demand (49) 14 2023 G U I DAN CE Q4 2023 GUIDANCE VS. Three Months Ended September 30, 2023 Three Months Ended September 30, 2022 Reconciliation to Condensed Consolidated Statements of Income: $ EPS $ EPS Net income (loss) from continuing operations attributable to Avient shareholders $ 5.1 $ 0.06 $ (27.4) $ (0.30) Special items, after tax 32.0 0.35 68.3 0.75 Amortization expense, after-tax 15.2 0.16 $ 13.4 $ 0.14 Adjusted net income / EPS $ 52.3 $ 0.57 $ 54.3 $ 0.59 September 30, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 Sales - GAAP $ 753.7 $ 823.3 Pro Forma APM adjustments — 60.7 Pro forma adjusted sales $ 753.7 $ 884.0 Net income from continuing operations – GAAP $ 5.1 $ (27.8) Income tax (benefit) expense (0.1) (1.2) Interest expense, net 30.3 37.3 Depreciation and amortization 46.4 39.8 EBITDA from continuing operations $ 81.7 $ 48.1 Special items, before tax 43.2 82.0 Interest expense included in special items (2.2) (10.0) Depreciation and amortization included in special items — (0.8) Adjusted EBITDA $ 122.7 $ 119.3 Pro forma APM adjustments — 17.2 Pro forma adjusted EBITDA $ 122.7 $ 136.5 Pro forma adjusted EBITDA as a % of sales 16.3 % 15.4 % 1 Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2006 2018 Sales $ 2,622.4 $ 3,533.4 Net income from continuing operations – GAAP $ 133.5 $ 160.8 Income tax expense 29.7 36.4 Interest expense, net 63.1 62.8 Depreciation and amortization 57.1 91.5 EBITDA from continuing operations $ 283.4 $ 351.5 Special items, before tax (34.0) 59.5 Depreciation and amortization included in special items — (3.0) JV - equity income (107.0) — Adjusted EBITDA $ 142.4 $ 408.0 Adjusted EBITDA as a % of sales 5.4 % 11.5 % Reconciliation to EBITDA and Adjusted EBITDA: December 31, 2022 Net loss from continuing operations – GAAP $ (16.6) Income tax benefit (60.8) Interest expense, net 49.4 Depreciation and amortization 48.6 EBITDA from continuing operations $ 20.6 Special items, before tax 104.3 Interest expense included in special items (16.0) Depreciation and amortization included in special items (1.5) Adjusted EBITDA $ 107.4 Reconciliation of Pro Forma Adjusted Earnings per Share: Three Months Ended December 31, 2022 Net loss from continuing operations attributable to Avient shareholders $ (17.0) Special items, after tax 38.3 Amortization expense, after-tax 14.6 Adjusted net income from continuing operations excluding special items 35.9 Pro forma adjustments* 2.5 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.4 Weighted average diluted shares 91.7 Pro forma adjusted EPS - excluding special items pro forma for APM acquisition $ 0.42 * Pro forma adjustment to reflect APM results for the period before Avient ownership including the impacts of debt financing and paydown of debt with net proceeds from the Distribution sale. 2 AVNT November IR Presentation (11.3) 3PM Avient corporation�investor presentation DISCLAIMER Slide Number 3 Creating a world-class�sustainable organization Top-tier sustainability performance�and recognition What we do: We are a formulator Slide Number 7 Avient protective materials �First Year Slide Number 9 Slide Number 10 Slide Number 11 Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 Slide Number 22 Slide Number 23 Slide Number 24 Slide Number 25 Avient is asset light Free cash flow conversion Multiple expansion Slide Number 29 Slide Number 30 Slide Number 31 2022 pro forma segment, end market and Geography Color, Additives & Inks Specialty Engineered Materials Slide Number 35 IR Deck - AVNT-2023.09.30 Non GAAP Recs Attachment

Revenue increased 13% driven by continued momentum from investments in commercial resources and specialty acquisitions These investments, coupled with recent specialty acquisitions and favorable foreign exchange, led to a 13% increase in overall sales with every segment and region contributing."

H-13 Figure 13 shows a typical design of a submarine gate.

H-13 Figure 13 shows a typical design of a submarine gate.

MAR2005)1, J2412, J2527; BO 116-01 Xenon Arc Weathering (Exposure Testing) SAE J361 Visual Inspection of Automotive Trim GM9302P, GMW17141 Stress Mark Susceptibility GMW14688 Scratch and Mar Resistance (Erichsen) BN108-13, BO162-01 Resistance to Scratching GMW3205 Resistance to Odor Propagation of Interior Materials 1 This laboratory’s scope contains a superseded method.

 A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com. 4 POLYONE CORPORATION What We Do Value Formulation Expertise Inputs Base resins Additives Modifiers Pigments Expertise in Polymer Materials, Services and Solutions OEMs Brand Owners Processers Assemblers Driving customer value with specialty products & services Service InVisiOSM Color Services IQ Design Labs LSS Customer First POLYONE CORPORATION 5 2016 Revenue ($3.3 Billion) by Segment At a Glance United States 65% Europe 12% Canada 8% Asia 8% Latin America 7% $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.13 2009 2010 2011 2012 2013 2014 2015 2016 2016 Revenue by Geography 2016 Revenue by End Market Appliance 5% Building & Construction 11% Consumer 11% Electrical & Electronics 5% Healthcare 11% Industrial 15% Packaging 12% Textiles 2% Transportation 19% Wire & Cable 9% Adjusted Earnings Per Share Performance Products & Solutions 19% PolyOne Distribution 31% Designed Structures & Solutions 11% Specialty Engineered Materials 16% Color Additives and Inks 23% 6 POLYONE CORPORATION Returning Cash to Shareholders $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 2011 2012 2013 2014 2015 2016 2017 Annual Dividend*  Since 2011, we have returned nearly $850 million to shareholders  $150 million returned through dividends  $697 million returned through share repurchases $697M $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 Cumulative Share Repurchases (in millions) *Initiated in 2011 7 POLYONE CORPORATION 2% 43% 79% 0% 20% 40% 60% 80% 100% 2005 2010 2016 % o f O pe ra tin g In co m e* *Operating Income excludes corporate charges and special items Specialty OI $5M $87M $273M Mix Shift Highlights Specialty Transformation Specialty = ROS > 10% JV’s Performance Products & Solutions Specialty Distribution 8 POLYONE CORPORATION 2006 2016 2020 “Where we were” “Where we are” Platinum Vision Operating Income % of Sales Color, Additives & Inks 1.7% 16.0% 20%+ Specialty Engineered Materials 1.1% 14.3% 20%+ Performance Products & Solutions 5.5% 11.1% 12 – 14% Distribution 2.6% 6.4% 6.5 – 7.5% Designed Structures & Solutions N/A -0.9% 8 – 10% ROIC* 5.0% 12.9% 15% Proof of Performance & 2020 Platinum Vision *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 Consistently Deliver Double Digit Annual EPS Growth POLYONE CORPORATION 9 2,883 2,538 2006 2016 Volume (lbs in millions) -12% $103 $200 2006 2016 Commercial, R&D and Marketing Spending ($M) +95% $88 $317 2006 2016 Adjusted Operating Profit ($M) +263% Ours is Not a Cost Cutting Story 10 POLYONE CORPORATION Innovation Drives Earnings Growth *Specialty Platform revenue from products introduced in last five years $20 $54 2006 2016 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 33% 2006 2016 CAI & SEM Gross Margin 12% 42% 2006 2016 Target ≥ 35% Innovation Pipeline Potential 11 POLYONE CORPORATION Primary Industries Served 2016 Revenue: $3.3 Billion Electrical & Electronic 5% Building & Construction 11% Appliance 5% Industrial 15% Wire & Cable 9% Healthcare 11% Consumer 11% Packaging 12% Transportation 19% Focus End Markets 12 POLYONE CORPORATION Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 12 Film Target End Markets… Healthcare 13 POLYONE CORPORATION 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 14 POLYONE CORPORATION PreservaPak™ OnColor™ Smart Batch™ VersaFlex™ TPE Cap Liner ColorMatrix™ Amosorb™ Oxygen Scavenger ColorMatrix™ Ultimate™ UV Light Barrier OnCap™ Laser Marking Additives Target End Markets… Packaging 15 POLYONE CORPORATION Source: Outdoor Industry Association TPE Vibration Dampening (SEM/GLS) TPE + OnForce (SEM) OnForce (SEM) Advanced Composites (SEM) TPE Vibration Dampening (SEM/GLS) Thermoplastic Elastomers (SEM) Advanced Composites (SEM) Polymer Colorants (CAI) Sheet (DSS) TPE & Film (SEM + DSS) Advanced Composites (SEM) Polymer Colorants (CAI) Thermatech (SEM) Thermoplastic Elastomers (SEM) TPE + OnForce (SEM) OnForce (SEM) Target End Markets… Consumer 16 POLYONE CORPORATION Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~60 - 70% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Growth synergies  Adjacent material solutions  Repurchased 1.2 million shares in Q4 2016  Repurchased 18.8 million shares since early 2013  8.5 million shares are available for repurchase under the current authorization  Increased annual dividend by 12.5% to $0.54 per share, representing the sixth consecutive year of dividend growth POLYONE CORPORATION 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.mullerquaker.com/products/greek100/greek100-peach-and-passion-fruit&ei=-acYVZq7EIqwyASDjYL4CA&bvm=bv.89381419,d.cWc&psig=AFQjCNGNCQY1_dCN2RPLzxtap_Pu0omTXQ&ust=1427765484498432 POLYONE CORPORATION 22 2016 Revenue: $0.7 Billion At a Glance: Performance Products & Solutions 2016 Revenue by Industry Expanding Profits 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision 11.1% B & C 30% Transportation 18% W & C 16% Industrial 16% Appliance 6% Consumer 5% Packaging 5% E & E 3% Healthcare 1% United States 78% Canada 16% Latin America 4% Asia 2% Key Applications POLYONE CORPORATION 23 2016 Revenue: $1.1 Billion At a Glance: Distribution Key Suppliers ROIC Expanding Profits 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.1% 6.6% 6.5-7.5% 6.4% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision 15% 51% 2006 2016 Transportation 24% Healthcare 22% Industrial 18% Consumer 15% Appliance 6% E & E 5% B & C 4% Packaging 4% W & C 2% http://www.avient.com/Pages/VariationRoot.aspx 24 POLYONE CORPORATION Application Examples POLYONE CORPORATION 25 Luxury Packaging with Gravitech Density Modified Polymers  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly POLYONE CORPORATION 26  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increase design capabilities by reducing weight and layer thickness Optimize Color Usage with OnColor Super Concentrates POLYONE CORPORATION 27  Inhibit microbial growth on polymer surface  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products Combat Bacteria Formation with WithStand Antimicrobial Technology POLYONE CORPORATION 28 Medical Device Housings with Chemically Resistant Engineered Polymers  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios POLYONE CORPORATION 29 Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors and effects  Innovative brand differentiation  Faster development timelines POLYONE CORPORATION 30 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 31 Fiber Colorants Solutions for clothing, apparel, footwear, automotive & sporting goods  ColorMatrix Fiber Colorant Solutions  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch POLYONE CORPORATION 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 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance. IR Presentation - Q4 2016v13 PolyOne Investor �Presentation�March 2017 Forward-Looking Statements Use of Non-GAAP Measures What We Do At a Glance Returning Cash to Shareholders Slide Number 7 Proof of Performance & 2020 Platinum Vision Ours is Not a Cost Cutting Story Innovation Drives Earnings Growth Primary Industries Served Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Why Invest In PolyOne?

EPS: $2.50 Assumptions • High single digit organic  revenue CAGR • Operating margins in mid range  of 2015 targets • No global recession• No global recession • No investment in incremental  PP&S capacity • Completion of 2‐3 midsize  accretive acquisitions • No divestitures  • Housing starts at 85% of 50 year  norm by 2015 R i f t bl b l 3X N t 2012 $ • Remain comfortably below 3X Net  Debt / EBITDA Page 13 Rev: $3.0B Adj.  EPS: $1.20 Proforma Debt Maturities & Liquidity Summary – 12/31/12 (Reflecting  Financing & Spartech Acquisition) • Total Debt at 12/31/12 h $1,010 $297 $360 $300 $400 Debt Maturities  As of December  31, 2012  ($ millions) Less: Cash Net Debt 213 $797 $50 $297 $100 $200 • Available Liquidity Cash $213 $800 Debt Maturities  As of December  31, 2012 P f f 2/13 Fi i $50 $0 2015 2017 2020 Interest Rates: 7.500%                       5.000%                      7.375% Cash ABL Availability Total Liquidity $213 271 $484 $600 $400 $600 Proforma for 2/13 Financing ($ millions) Total Liquidity • Net Debt / EBITDA = 2.0x* $484 $50 $360 $0 $200 • Net Debt / EBITDA = 2.35x** $50$0 2015 2020 2023 Page 14 Interest Rates:   7.500%                      7.375%                      5.250% *Assumes $65 million of synergies related to Spartech acquistion **Assumes no synergies related to Spartech acquistion Use of Cash Share DividendsOrganic G Acquisitions • Repurchased 1 2 Repurchase • Introduced a Dividends • Expanding our Growth T t th t d Acquisitions • Repurchased 1.2 million shares in 2012 • 20.0 million shares are il bl f • Introduced a quarterly dividend in Q1 2011 and increased in Q1 2012 (25%) and Q1 2013 (20%) • Expanding our sales, marketing, and technical capabilities is top priority • Investing in • Targets that expand our: • Specialty offering • End market presence • Geographic footprint available for repurchase under the current authorization Q1 2013 (20%) • Objective of maintaining and growing Investing in operational and LSS initiatives (including synergy capture) • CAPEX • Synergy opportunities • Adjacent material solutions Proforma Cash Balance = $213M N t D bt / EBITDA* 2 0X CAPEX Net Debt / EBITDA* = 2.0X *Adjusted EBITDA assumes synergies related to the Spartech acquisition are realized at close; preliminary synergies estimated at $65M and are expected to be achieved over a 3-year period Page 15 Why Invest In PolyOne?

Capron 8333GHI N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-V 50A-VI 70A-VII 260C/500F 3.7 / 21 N/A 3.2 / 18 No No No No 276C/530F 3.7 / 21 3.7 / 21 3.2 / 18 2.1 / 12 No No No 288C/550F N/A N/A N/A 2.5 / 14 2.5 / 14 No No Capron 8333GHIHS N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.9 / 22 N/A 3.3 / 19 No No No No 276C/530F 3.5 / 20 N/A 3.3 / 19 No No No No 288C/550F N/A N/A N/A 2.5 / 14 2.6 / 15 No No Ultramid B3ZG6 N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.0 / 17 3.3 / 19 3.2 / 18 No No No No 276C/530F 3.2 / 18 3.3 / 19 3.2 / 18 No No No No 288C/550F 3.3 / 19 N/A 3.0 / 17 2.1 / 12 2.1 / 12 No No Zytel 70G33L N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.7 / 21 N/A 3.3 / 19 No No No No 276C/530F 3.7 / 21 3.7 / 21 3.3 / 19 2.3 / 13 No No No 288C/550F N/A N/A N/A 2.1 / 12 2.5 / 14 No No Zytel 408HS N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.0 / 17 N/A 3.2 / 18 No No No No 276C/530F 3.2 / 18 4 / 23 3.0 / 17 No No No No 288C/550F N/A N/A N/A 2.5 / 14 2.5 / 14 No No Zytel 409AHS N/mm (lb/in) 60A-I 60A-II 75A-III 55A-IV 65A-IV 50A-VI 70A-VII 260C/500F 3.2 / 18 N/A 3.0 / 17 No No No No 276C/530F 3.3 / 19 4.2 / 24 2.8/ 16 No No No No 288C/550F N/A N/A N/A 2.1 / 12 2.1 / 12 No No Page 6 of 11 Table 4: Two-shot molding comparison TPE 60A-I 75A-III 55A-IV 65A-IV 50A-VI 70A-VII Barrel temp C/F 260/500 260/500 288/550 288/550 288/550 288/550 Peel Values N/mm or Pli Capron 8333GHI 4.2 / 24 3.5 / 20 3.3 / 19 3.0 / 17 2.3 / 13 3.0 / 17 Capron 8333GHIHS 4.0 / 23 3.9 / 22 2.8 / 16 3.0 / 17 2.3 / 13 3.2 / 18 Zytel 70G33L 4.2 / 24 3.3 / 19 2.8 / 16 3.3 / 18 1.9 / 11 3.3 / 19 Zytel 408AHS 4.0 / 23 4.0 / 23 3.5 / 20 3.7 / 21 1.9 / 11 3.9 / 22 Zytel 409AHS 4.2 / 24 4.0 / 23 3.2 / 18 3.3 / 19 1.6 / 9 3.3 / 19 Surface Energy (mN/m) 46 43 40 37 34 31 28 Engineering Plastics Polyamide 6,6 ABS Polycarbonate Acrylic Polystyrene Polypropylene Polyethylene Elastomers Coplyamide TPU Copolyester Styrenic-TPE TPV metallocenes Figure1.