 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?

The barrel temperature of the injection molding machine was set from 180°C to 235°C (360°F to 455°F) and the injection velocity from 15 mm/sec to 65 mm/sec.

OUR CUSTOMER SUPPORT ACTIVITIES INCLUDE: • Food and Drug Administration (FDA) compliance support • Compliance with National Inventories • Biocompatibility compliance • REACH – European Legislation on Registration, Evaluation, Authorization and Restriction of Chemicals • Restriction on Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment (WEEE) electronics compliance • Data entry into the International Material Database System (IMDS) • Hazardous communication, including safety data sheets (SDS) and labeling GENERATING REGULATORY COMPLIANCE DOCUMENTATION INCLUDING: • California Proposition 65 • European Food Contact • Individual Customer Restricted Substance lists • Drug Master Files • Medical Application Files • Food and Drug Administration Certification • Potable Water Certification Contact us if you have questions or for specific information on your application’s regulatory compliance requirements.

OM1040 OM1060 OM1245 OM1255 OM1262 OM6050 OM6065 Hardness: 40 60 45 55 62 50 65 Specific Gravity: 0.92 0.93 0.97 1.07 1.17 1.17 1.15 Flow 300% Modulus: 292 472 379 340 583 423 587 Flow Tensile Strength: 587 628 687 462 1847 473 592 Flow Elongation: 593 532 589 604 589 485 236 Flow/Cross Tear: 107 148 140 178 274 156 186 Comp. set 22hr. @ 23 C 18 28 27 25 18 24 33 Comp.

Preete 64 2013 Yes C M Patricia Verduin 65 2019 Yes M M William A. Pederson – 65%; and Mr. Garratt – 65%.

The low usage rate, low minimum order quantities, and pelletized form for easy handling and storage make it a versatile and cost-effective choice.

RISK PERCEPTION RISK TOLERANCE DECISION OR ACTION .56 Injury Rate 65% of sites worked injury-free 110% increase in consecutive days injury free in the last two years SAFETY FIRST 50% 0 70%20 43% Average number of risk assessments completed every day Reduction in lacerations since 2017 Reduction in ergonomic related injuries Automobile related injuries Reduction in acquisition injury rate 74424.indd main_3 3/16/20 12:25 PM Annual Report | 2019 4 With our focus on People, it has led to the creation and expansion of Employee Resource Groups (ERGs) at PolyOne to advance diversity and inclusion. Patterson Chairman, President and CEO 74424.indd main_16 3/16/20 12:26 PM 4424_NARc5.indd 17 3/17/20 12:52 PM [THIS�PAGE�INTENTIONALLY�LEFT�BLANK] 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 [THIS PAGE INTENTIONALLY LEFT BLANK] [THIS�PAGE�INTENTIONALLY�LEFT�BLANK] [THIS�PAGE�INTENTIONALLY�LEFT�BLANK] STOCK EXCHANGE LISTING PolyOne's Common Stock is listed on the New York Stock Exchange, Symbol: POL.

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 PRO FORMA 2021 TO 2022 BRIDGE 3 2021 EPS from Continuing Operations 1.69$ Pro Forma & Special Items 1.33 Proforma 2021 Adjusted EPS 3.02$ FX Impact (0.22) China Lockdowns / Russia Import Sales (0.24) Outdoor High Performance (0.13) Dyneema 0.06 Color, Additives and Inks 0.38 Legacy Specialty Engineered Materials 0.22 Other 0.01 Proforma 2022 Adjusted EPS 3.10$ Constant Currency Sales Sales COLOR, ADDITIVES AND INKS Q1 Q2 Q3 Q4 FY 4% Q1 Q2 Q3 Q4 FY 4% 7% (4%) (9%) 6% (10%) 0% 1% 2% Constant currency reflects prior year results restated at current year foreign exchange rates Q1 Q2 Q3 Q4 FY Q1 Q2 Q3 Q4 FY 7% 10% 4% (3%) 12% (6%) 5% 6% 9% 610 650 624 649 587 565 581 526 2,402 2,390 589 650 589 649 543 565 545 526 2,266 2,390 116 121 112 119 93 95 88 79 409 414 113 121 106 119 87 95 84 79 390 414 Constant Currency EBITDA EBITDA 10% 4 Constant Currency EBITDA Sales Q1 Q2 Q3 Q4 FY (1%) PRO FORMA SPECIALTY ENGINEERED MATERIALS Q1 Q2 Q3 Q4 FY 16%8% (8%) (8%) 3% (6%) (6%) (2%) 2% EBITDA Constant Currency Sales Constant currency reflects prior year results restated at current year foreign exchange rates Q1 Q2 Q3 Q4 FY 4% Q1 Q2 Q3 Q4 FY 20%12% (1%) (2%) 5% (1%) (2%) 3% 6% 314 338 348 343 325 300 321 295 1,308 1,276 303 338 329 343 303 300 301 295 1,236 1,276 67 78 75 77 70 66 66 62 278 283 65 78 73 77 67 66 63 62 268 283 5 Constant Currency Adjusted EPS Adjusted EPS PRO FORMA AVIENT Q1 Q2 Q3 Q4 FY 10% (3%) (21%) 3% Q1 Q2 Q3 Q4 FY Q1 Q2 Q3 Q4 FY 9% 5% 7% (5%) (9%) (1%) (1%) (12%) 1% Sales Constant Currency Sales Constant currency reflects prior year results restated at current year foreign exchange rates Q1 Q2 Q3 Q4 FY 17% 8% (14%) 11% Q1 Q2 Q3 Q4 FY Q1 Q2 Q3 Q4 FY 14% 10% 11% 2% (3%) 5% 8% (5%) 7% EBITDA Constant Currency EBITDA 925 987 973 992 912 867 902 823 3,712 3,669 893 987 919 992 847 867 845 823 3,504 3,669 161 176 164 172 142 141 133 117 600 606 155 176 157 172 131 141 123 117 566 6068% 2% 0.84 0.98 0.87 0.96 0.70 0.68 0.61 0.48 3.02 3.10 0.79 0.98 0.82 0.96 0.63 0.68 0.56 0.48 2.80 3.10 17% 24% 6 Three Months Ended March 31, 2022 Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income Avient EPS Avient EPS Net income from continuing operations $ 64.7 $ 60.4 Net income attributable to noncontrolling interests (0.3) (0.4) Net income from continuing operations attributable to Avient shareholders $ 64.4 $ 0.70 $ 60.0 $ 0.65 Special items, after tax $ 6.4 $ 0.07 $ 2.6 $ 0.03 APM pro forma adjustments 2.6 0.03 (3.1) (0.03) Amortization expense, after tax 17.4 0.19 17.9 0.19 Adjusted pro forma net income / EPS $ 90.8 $ 0.98 $ 77.4 $ 0.84 Weighted average diluted shares 92.3 92.2 Three Months Ended June 30, 2022 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income Avient EPS Avient EPS Net income from continuing operations $ 62.8 $ 50.2 Net income attributable to noncontrolling interests — (0.6) Net income from continuing operations attributable to Avient shareholders $ 62.8 $ 0.68 $ 49.6 $ 0.54 Special items, after tax $ 3.2 $ 0.03 $ 11.7 $ 0.13 APM pro forma adjustments 5.2 0.06 1.4 0.02 Amortization expense, after tax 17.2 0.19 17.8 0.19 Adjusted pro forma net income / EPS $ 88.4 $ 0.96 $ 80.5 $ 0.87 Weighted average diluted shares 92.1 92.4 Three Months Ended September 30, 2021 Reconciliation to Condensed Consolidated Statements of Income Avient EPS Net income from continuing operations $ 33.4 Net income attributable to noncontrolling interests 0.3 Net income from continuing operations attributable to Avient shareholders $ 33.7 $ 0.37 Special items, after tax $ 11.7 $ 0.13 APM pro forma adjustments 1.5 0.02 Amortization expense, after tax 17.6 0.19 Adjusted pro forma net income / EPS $ 64.5 $ 0.70 Weighted average diluted shares 92.2 Adjusted EPS may not recalculate due to rounding. 1 Three Months Ended December 31, 2021 Year Ended December 31, 2021 Reconciliation to Condensed Consolidated Statements of Income Avient EPS Avient EPS Net income from continuing operations $ 11.2 $ 155.2 Net income attributable to noncontrolling interests 0.9 0.2 Net income from continuing operations attributable to Avient shareholders $ 12.1 $ 0.13 $ 155.4 $ 1.69 Special items, after tax $ 24.0 $ 0.26 $ 50.0 $ 0.54 APM pro forma adjustments 2.5 0.03 1.6 0.02 Amortization expense, after tax 17.8 0.19 71.1 0.77 Adjusted pro forma net income / EPS $ 56.4 $ 0.61 $ 278.1 $ 3.02 Weighted average diluted shares 92.4 92.1 Reconciliation of Color, Additives and Inks EBITDA Q1 2021 Q2 2021 Q3 2021 Q4 2021 YTD 2021 Q1 2022 Q2 2022 Operating Income 88.8 86.3 66.8 61.2 303.1 94.5 93.6 Depreciation and amortization 27.4 25.3 26.6 26.4 105.7 26.0 25.9 EBITDA $ 116.2 $ 111.6 $ 93.4 $ 87.6 $ 408.8 $ 120.5 $ 119.5 Reconciliation of Specialty Engineered Materials EBITDA Q1 2021 Q2 2021 Q3 2021 SEM Pro forma APM Pro forma SEM SEM Pro forma APM Pro forma SEM SEM Pro forma APM Pro forma SEM Operating Income 32.6 9.1 41.7 35.8 13.9 49.7 30.0 15.2 45.2 Depreciation and amortization 7.8 17.5 25.3 8.1 17.3 25.4 7.9 17.1 25.0 EBITDA $ 40.4 $ 26.6 $ 67.0 $ 43.9 $ 31.2 $ 75.1 $ 37.9 $ 32.3 $ 70.2 Reconciliation of Specialty Engineered Materials EBITDA Q4 2021 YTD 2021 SEM Pro forma APM Pro forma SEM SEM Pro forma APM Pro forma SEM Operating Income 27.1 11.7 38.8 125.5 49.9 175.4 Depreciation and amortization 8.0 18.9 26.9 31.8 70.8 102.6 EBITDA $ 35.1 $ 30.6 $ 65.7 $ 157.3 $ 120.7 $ 278.0 2 Reconciliation of Specialty Engineered Materials EBITDA Q1 2022 Q2 2022 SEM Pro forma APM Pro forma SEM SEM Pro forma APM Pro forma SEM Operating Income 38.3 15.4 53.7 35.2 17.7 52.9 Depreciation and amortization 7.8 16.6 24.4 7.7 16.6 24.3 EBITDA $ 46.1 $ 32.0 $ 78.1 $ 42.9 $ 34.3 $ 77.2 Reconciliation of Avient consolidated pro forma EBITDA Q1 2021 Q2 2021 Q3 2021 Avient Pro forma APM Pro forma Avient Avient Pro forma APM Pro forma Avient Avient Pro forma APM Pro forma Avient Net income from continuing operations 60.4 (3.1) 57.3 50.2 1.4 51.6 33.4 1.5 34.9 Income tax expense 16.3 1.1 17.4 13.8 1.3 15.1 2.0 2.5 4.5 Interest expense 19.3 11.1 30.4 19.5 11.2 30.7 19.0 11.2 30.2 Depreciation and amortization 36.9 17.5 54.4 33.6 17.3 50.9 36.6 17.1 53.7 EBITDA 132.9 26.6 159.5 117.1 31.2 148.3 91.0 32.3 123.3 Special items, before tax 2.4 — 2.4 14.2 — 14.2 19.9 — 19.9 Depreciation included in special items (0.6) — (0.6) 1.4 — 1.4 (0.9) — (0.9) Adjusted EBITDA $ 134.7 $ 26.6 $ 161.3 $ 132.7 $ 31.2 $ 163.9 $ 110.0 $ 32.3 $ 142.3 Reconciliation of Avient consolidated pro forma EBITDA Q4 2021 YTD 2021 Avient Pro forma APM Pro forma Avient Avient Pro forma APM Pro forma Avient Net income from continuing operations 11.2 2.5 13.7 155.2 1.6 156.8 Income tax expense 16.2 (1.9) 14.3 48.3 3.7 52.0 Interest expense 17.5 11.1 28.6 75.3 44.6 119.9 Depreciation and amortization 37.9 18.9 56.8 145.0 70.8 215.8 EBITDA 82.8 30.6 113.4 423.8 120.7 544.5 Special items, before tax 20.6 — 20.6 57.1 — 57.1 Depreciation included in special items (1.6) — (1.6) (1.7) — (1.7) Adjusted EBITDA $ 101.8 $ 30.6 $ 132.4 $ 479.2 $ 120.7 $ 599.9 3 Reconciliation of Avient consolidated pro forma EBITDA Q1 2022 Q2 2022 Avient Pro forma APM Pro forma Avient Avient Pro forma APM Pro forma Avient Net income from continuing operations 64.7 2.6 67.3 62.8 5.2 68.0 Income tax expense 20.0 1.7 21.7 22.7 1.4 24.1 Interest expense 16.9 11.1 28.0 16.2 11.1 27.3 Depreciation and amortization 37.6 16.6 54.2 36.3 16.6 52.9 EBITDA 139.2 32.0 171.2 138.0 34.3 172.3 Special items, before tax 6.6 — 6.6 0.9 — 0.9 Depreciation included in special items (2.1) — (2.1) (1.1) — (1.1) Adjusted EBITDA $ 143.7 $ 32.0 $ 175.7 $ 137.8 $ 34.3 $ 172.1 Reconciliation of Specialty Engineered Pro Forma Sales Q1 2021 Q2 2021 Q3 2021 Q4 2021 YTD 2021 Q1 2022 Q2 2022 Sales 214.7 238.9 231.7 226.3 911.6 243.1 242.3 Pro forma APM 98.9 108.8 93.8 94.9 396.4 94.8 100.5 Pro forma sales $ 313.6 $ 347.7 $ 325.5 $ 321.2 $ 1,308.0 $ 337.9 $ 342.8 Reconciliation of Avient Pro Forma Sales Q1 2021 Q2 2021 Q3 2021 Q4 2021 YTD 2021 Q1 2022 Q2 2022 Sales 826.0 864.5 818.0 807.1 3,315.6 892.2 891.0 Pro forma APM 98.9 108.8 93.8 94.9 396.4 94.8 100.5 Pro forma sales $ 924.9 $ 973.3 $ 911.8 $ 902.0 $ 3,712.0 $ 987.0 $ 991.5 4 IR Slides V17 - 9.26 324pm IR Deck - AVNT-2022.09.27 Pre Release v2

 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?

 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% Canada 8% Europe 12% 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% Industrial 15% Electrical & Electronics 5% Consumer 11% Healthcare 11% 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 2% 43% 80% 0% 20% 40% 60% 80% 100% 2005 2010 1Q 2017 % o f O pe ra tin g In co m e* *Operating Income excludes corporate charges and special items **LTM 1Q 2017 Specialty OI $5M $87M $274M** Mix Shift Highlights Specialty Transformation JV’s Performance Products & Solutions Specialty Mix Distribution 7 POLYONE CORPORATION 2006 1Q 2017 2020 “Where we were” “Where we are” Platinum Vision Operating Income % of Sales Color, Additives & Inks 1.7% 16.6% 20%+ Specialty Engineered Materials 1.1% 14.8% 20%+ Performance Products & Solutions 5.5% 12.0% 12 – 14% Distribution 2.6% 6.5% 6.5 – 7.5% Designed Structures & Solutions N/A -3.2% 8 – 10% ROIC* 5.0% 12.6% 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 8 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 $900 million to shareholders  $167 million returned through dividends  $731 million returned through share repurchases *Initiated in 2011 $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 1Q 2017 Cumulative Share Repurchases (in millions) $731M 9 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 1.0 million shares in Q1 2017  Repurchased 19.8 million shares since early 2013  7.5 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 10 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 11 POLYONE CORPORATION Primary Industries Served 2016 Revenue: $3.3 Billion Appliance 5% Electrical & Electronic 5% Building & Construction 11% Industrial 15% Wire & Cable 9% Healthcare 11% Consumer 11% Packaging 12% Transportation 19% Focus End Markets 12 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 POLYONE CORPORATION 13 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?