Platform operating income mix percentage 2005Y* 2006Y* 2007Y* 2008Y* 2009Y* 2010Y* 2011Y* Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks 4.3 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions 75.7 64.2 65.8 31.3 33.1 54.0 62.4 Distribution 19.5 19.2 22.1 28.1 24.8 42.0 56.0 SunBelt Joint Venture 91.9 102.9 34.8 28.6 25.5 18.9 5.0 Corporate (51.5) 34.5 (73.3) (425.1) 7.9 (27.7) 20.3 Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Less: Corporate operating expense (income) 51.5 (34.5) 73.3 425.1 (7.9) 27.7 (20.3) Operating income excluding Corporate $ 191.8 $ 199.1 $ 153.3 $ 133.7 $ 129.2 $ 202.3 $ 212.7 Specialty platform operating mix percentage 2% 6% 20% 34% 35% 43% 42% Platform operating income mix percentage 2012Y* 2012PF** Global Specialty Engineered Materials $ 47.0 $ 47.7 Global Color, Additives and Inks 66.8 81.6 Designed Structures & Solutions -- 20.9 Specialty Platform $ 113.8 $ 150.2 Performance Products and Solutions 74.9 37.4 Distribution 66.0 66.0 Corporate (87.6) ( 87.9) )Operating income GAAP $ 167.1 $ 165.7 Less: Corporate operating expense 87.6 87.9 Operating income excluding Corporate $ 254.7 $ 253.6 45% 60% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes the Resin business assets. Specialty platform operating mix percentage Platform sales and operating income (OI) 2006Y* 2007Y* 2008Y* 2009Y* 2010Y* 2011Y* Global Specialty Engineered Materials Sales $ 345.3 $ 384.4 $ 514.0 $ 402.9 $ 517.4 $ 575.1 Global Color, Additives and Inks Sales 531.8 560.5 554.3 459.8 527.4 544.6 Specialty Platform Sales $ 877.1 $ 944.9 $ 1,068.3 $ 862.7 $ 1,044.8 $ 1,119.7 Performance Products and Solutions Sales 1,166.2 1,086.8 1,001.4 667.7 776.3 865.4 PolyOne Distribution Sales 732.8 744.3 796.7 625.1 911.9 996.5 Corporate and Eliminations (153.7) (133.3) (127.7) (94.8) (111.1) (118.1) Total Sales $ 2,622.4 $ 2,642.7 $ 2,738.7 $ 2,060.7 $ 2,621.9 $ 2,863.5 Global Specialty Engineered Materials OI $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks OI 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform OI $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions OI 64.2 65.8 31.3 33.1 54.0 62.4 PolyOne Distribution OI 19.2 22.1 28.1 24.8 42.0 56.0 Sunbelt Joint Venture OI 102.9 34.8 28.6 25.5 18.9 5.0 Corporate and eliminations (4.6) (25.5) (28.9) (40.8) (32.5) (26.4) Special items in OI 39.1 (47.8) (396.2) 48.7 4.8 46.7 Operating income (loss) GAAP $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Sunbelt equity income (107.0) (40.8) (32.5) (29.7) (23.1) (5.7) Special items in OI (39.1) 47.8 396.2 (48.7) (4.8) (46.7) Operating income adjusted $ 87.5 $ 87.0 $ 72.3 $ 58.7 $ 146.7 $ 180.6 Global Specialty Engineered Materials - OI % of sales 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% Global Color, Additives and Inks - OI % of sales 1.7% 4.6% 5.1% 5.5% 7.1% 8.0% Specialty platform OI - % of sales 1.5% 3.2% 4.3% 5.3% 8.4% 8.0% PP&S operating OI - % of sales 5.5% 6.1% 3.1% 5.0% 7.0% 7.2% Distribution OI - % of sales 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% PolyOne OI adjusted - % of sales 3.3% 3.3% 2.6% 2.8% 5.6% 6.3% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. ** Pro Forma results include Spartech and Glasforms acquisitions, Specialty Coatings reclass and excludes the Resin business assets. Average Debt Q1 2012 Q2 2012 Q3 2012 Q4 2012 Q1 2013 Average PolyOne Debt $ 706.4 $ 705.8 $ 705.2 $ 706.9 $ 1055.5 $ 776.0 Average Equity Q1 2012 Q2 2012 Q3 2012 Q4 2012 Q1 2013 Average PolyOne shareholders’ equity $ 611.3 $ 604.3 $ 629.3 $ 629.1 $ 871.8 $ 669.2 Platform sales and operating income (OI) 2012Y* 2012PF** Q1 2013 Global Specialty Engineered Materials Sales $ 543.6 $ 773.0 $ 159.8 Global Color, Additives and Inks Sales 703.5 828.5 205.3 Designed Structures & Solutions -- 850.6 41.5 Specialty Platform Sales $ 1,247.1 2,452.1 406.6 Performance Products and Solutions Sales 837.0 696.1 159.7 PolyOne Distribution Sales 1,030.3 1,030.3 268.0 Corporate and Eliminations (121.8) (121.6) (33.2) Total Sales $ 2,992.6 $ 4,056.9 $ 801.1 Global Specialty Engineered Materials OI $ 47.0 $ 47.7 $ 16.2 Global Color, Additives and Inks OI 66.8 81.6 24.1 Designed Structures & Solutions -- 20.9 1.9 Specialty Platform OI $ 113.8 $ 150.2 $ 42.2 Performance Products and Solutions OI 74.9 37.4 13.0 PolyOne Distribution OI 66.0 66.0 16.2 Corporate and eliminations (33.7) (40.0) (14.3) Special items in OI (53.9) (53.9) (16.6) Operating income - GAAP $ 167.1 $ 159.7 $ 40.5 Special items in OI 53.9 53.9 16.6 Operating income adjusted $ 221.0 $ 213.6 $ 57.1 Global Specialty Engineered Materials - OI % of sales 8.6% 6.1% 10.1% Global Color, Additives and Inks - OI % of sales 9.5% 9.8% 11.7% Designed Structures & Solutions -- 2.5% 4.6% Specialty platform OI % of sales 9.1% 6.1% 10.4% PP&S operating OI % of sales 9.0% 5.4% 8.1% Distribution OI % of sales 6.4% 6.4% 6.0% PolyOne OI adjusted, % of sales 7.4% 5.3% 7.1% PolyOne Investor Presentation�Deutsche Bank 2013 Global Industrials and Basic Materials Conference ��June 12, 2013� Forward – Looking Statements Use of Non GAAP Measures Strategy and Execution Drive Results Four Pillar Strategy 2013 Portfolio Transformation Highlights PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Proof of Performance & 2015 Goals Innovation Drives Earnings Growth Positioned for Strong Growth First Quarter Financial Highlights Debt Maturities & Liquidity Summary – 3/31/13 Use of Cash Why Invest In PolyOne?

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Materials Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 4 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 5 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 6 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion. Purchase price multiple rapidly declining on strength of business and synergy capture 7 $133 $201 2019PF 2022E 7 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies 11.9% 16.3% 2019PF 2022E EBITDA Margins CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORIC SPECIALIZATION THROUGH M&A 8 Distribution DSM Protective Materials BOLT-ON ACQUISITION HISTORY 9 Commercial Resources Operating Income Operating Margins 259 363 $40 $139 Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W SPECIALTY TRANSFORMATION T O D A Y 46% 67% 86% 100% 0% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st ed E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 10 Building & 43% 14% Telecom. 2% 2006 2022 Pro Forma 21% Building & Telecom. END MARKET FOCUS ON LESS CYCLICAL INDUSTRIES 11 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPECIALTY EBITDA MARGIN EXPANSION 12 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 13 Adj.

$3.2B $526M 80+ 100+ 2011 63% 2024 sales by business segment Specialty Engineered Materials SEM Color, Additives & Inks CAI 2024 sales by end market 41% 35% 18% 2024 sales by region US, Canada LATAM EMEA PACKAGING 23% CONSUMER INDUSTRIAL TRANSPORTATION BUILDING & CONSTRUCTION HEALTHCARE DEFENSE ENERGY TELECOM 3% 2024 SALES 2024 ADJ. Color, Additives & Inks END MARKETS REGIONS 34% 21% 11% Packaging Telecom 1%Energy 1% 34% US & Canada Latin America Europe, Middle East Construction 25Copyright © . Three Months Ended December 31, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 48.3 $ 0.52 $ 27.8 $ 0.30 Special items, after-tax (18.0) (0.20) 5.4 0.06 Amortization expense, after-tax 14.8 0.17 15.0 0.16 Adjusted net income / EPS $ 45.1 $ 0.49 $ 48.2 $ 0.52 Year Ended December 31, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 169.5 $ 1.84 $ 75.8 $ 0.83 Special items, after-tax 15.9 0.17 79.3 0.86 Amortization expense, after-tax 59.5 0.65 61.5 0.67 Adjusted net income / EPS $ 244.9 $ 2.66 $ 216.6 $ 2.36 Three Months Ended Year Ended Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 2024 2023 Net income from continuing operations – GAAP $ 48.5 $ 27.6 $ 170.7 $ 76.3 Income tax expense (benefit) 14.8 (7.0) 54.1 11.0 Interest expense 25.5 26.8 105.6 115.3 Depreciation and amortization from continuing operations 45.4 44.2 179.7 188.8 EBITDA from continuing operations $ 134.2 $ 91.6 $ 510.1 $ 391.4 Special items, before tax (23.9) 22.4 20.1 114.6 Interest expense included in special items — (0.1) (2.3) (2.3) Depreciation and amortization included in special items (0.3) — (1.5) (1.9) Adjusted EBITDA $ 110.0 $ 113.9 $ 526.4 $ 501.8 Adjusted EBITDA as a percent of sales 14.7 % 15.8 % 16.2 % 16.0 % Three Months Ended Year Ended 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 467.7 $ 459.4 $ 2,046.5 $ 2,007.4 Specialty Engineered Materials 279.7 259.8 1,196.8 1,138.2 Corporate (0.9) (0.2) (2.9) (2.8) Sales $ 746.5 $ 719.0 $ 3,240.4 $ 3,142.8 Gross margin: Color, Additives and Inks $ 152.6 $ 148.3 $ 681.1 $ 631.2 Specialty Engineered Materials 84.2 78.1 374.9 341.8 Corporate 22.7 (17.5) 0.7 (80.5) Gross margin $ 259.5 $ 208.9 $ 1,056.7 $ 892.5 Selling and administrative expense: Color, Additives and Inks $ 92.8 $ 86.5 $ 384.9 $ 371.3 Specialty Engineered Materials 49.6 48.7 207.7 199.3 Corporate 31.5 30.6 134.8 125.1 Selling and administrative expense $ 173.9 $ 165.8 $ 727.4 $ 695.7 Operating income: Color, Additives and Inks $ 59.8 $ 61.8 $ 296.2 $ 259.9 Specialty Engineered Materials 34.6 29.4 167.2 142.5 Corporate (8.8) (48.1) (134.1) (205.6) Operating income $ 85.6 $ 43.1 $ 329.3 $ 196.8 Depreciation and amortization: Color, Additives and Inks $ 21.9 $ 22.2 $ 87.5 $ 98.3 Specialty Engineered Materials 21.0 19.8 82.1 81.5 Corporate 2.5 2.2 10.1 9.0 Depreciation and amortization $ 45.4 $ 44.2 $ 179.7 $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 81.7 $ 84.0 $ 383.7 $ 358.2 Specialty Engineered Materials 55.6 49.2 249.3 224.0 Corporate (6.3) (45.9) (124.0) (196.6) Other income, net 3.2 4.3 1.1 5.8 EBITDA from continuing operations $ 134.2 $ 91.6 $ 510.1 $ 391.4 Special items, before tax (23.9) 22.4 20.1 114.6 Interest expense included in special items — (0.1) (2.3) (2.3) Depreciation and amortization included in special items (0.3) — (1.5) (1.9) Adjusted EBITDA $ 110.0 $ 113.9 $ 526.4 $ 501.8 2 Year Ended December 31, Adjusted Free Cash Flow Calculation 2024 2023 Cash provided by operating activities $ 256.8 $ 201.6 Taxes paid on gain on sale of business — 104.1 One-time payout associated with deferred compensation plans 20.8 — Adjusted cash provided by operating activities $ 277.6 $ 305.7 Capital expenditures (121.9) (119.4) Adjusted free cash flow $ 155.7 $ 186.3 Three Months Ended March 31, 2024 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 49.4 $ 0.54 Special items, after-tax 5.5 0.06 Amortization expense, after-tax 14.9 0.16 Adjusted net income / EPS $ 69.8 $ 0.76 3 AVNT February Investor Presentation_2_25.pdf Avient Investor Presentation - February 2025_w_Non-GAAP.pdf Avient February 2025 Investor Presentation_w_non-GAAP.pdf Non-GAAP- IR Deck - AVNT-2024.12.31 2.06.25 12PM.pdf Attachment

 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 About PolyOne Reach 7,000 associates | 77 facilities | $3.4 B 2015 revenue Global Presence 10,000 global customers | Americas, Europe, Africa, Asia | Global sales, technical and manufacturing footprint Solutions 35,000+ polymer solutions | 12 innovation centers | Support for design through manufacturing 5 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 6 CAI 23% SEM 15% DSS 13% POD 29% PPS 20% 2015 Revenue: $3.4 Billion At a Glance United States 66% Europe 13% Canada 7% Asia 7% Latin America 7% $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2015 Revenue: $3.4 Billion 2015 Operating Income: $322 Million CAI 38% SEM 23% DSS 4% POD 19% PPS 16% Adjusted Earnings Per Share 7 POLYONE CORPORATION 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 Transformation 2020 Platinum Vision Platinum Vision Mix Shift Highlights Specialty Transformation POLYONE CORPORATION 8 -$0.10 $0.00 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 $0.70 2009 2010 2011 2012 2013 2014 2015 2016 Adjusted Earnings Per Share $0.56 3Q -2% 0% 2% 4% 6% 8% 10% 12% 2009 2010 2011 2012 2013 2014 2015 2016 Adjusted Consolidated Operating Margin 2.8% 5.2% 5.6% 6.7% 8.3% 6.9% 9.5% 9.9% 3Q 28 Consecutive Quarters of EPS Growth 9 POLYONE CORPORATION 2006 2016 YTD 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % of Sales Specialty: Color, Additives & Inks 1.7% 17.0% 20%+ Specialty Engineered Materials 1.1% 15.2% 20%+ Designed Structures & Solutions N/A 0.6% (TTM) 8 – 10% Performance Products & Solutions 5.5% 11.6% 12 – 14% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 60% 80%+ 3) ROIC* 5.0% 11.6% 15% 4) Adjusted EPS Growth N/A 11.5% 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 10 2,883 2,414 2006 2015 Volume (lbs in millions) -16% $103 $192 2006 2015 Commercial, R&D and Marketing Spending ($M) +86% $88 $322 2006 2015 Adjusted Operating Profit ($M) +266% Ours is Not a Cost Cutting Story 11 POLYONE CORPORATION 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% 34% 2006 2015 CAI & SEM Gross Margin 12% 43% 2006 2015 Target ≥ 35% Innovation Pipeline Potential 12 POLYONE CORPORATION Globalization Specialization Commercial Excellence Operational Excellence Growth in urbanization Changing demographics Climate and resource challenges Increase of individual power Evolution and expansion of healthcare Strategic Growth Opportunities Four Pillar Strategy Global Megatrends Attractive Revenue & Margin Growth Opportunities 13 POLYONE CORPORATION Primary Industries Served 2015 Revenue: $3.4 Billion Electrical & Electronic 5% Building & Construction 12% Appliance 4% Industrial 14% Wire & Cable 9% Healthcare 11% Consumer 10% Packaging 13% Transportation 20% Focus End Markets 14 POLYONE CORPORATION Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 14 Film Target End Markets… Healthcare 15 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 16 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 17 POLYONE CORPORATION Source: Outdoor Industry Association TPE Vibration Dampening (SEM/GLS) TPE + OnForce (SEM) OnForce (SEM) Advanced Composites (SEM) TPE Vibration Dampening (SEM/GLS) Target End Markets… Outdoor High Performance 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) 18 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  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased 318,000 shares in Q3 2016  Repurchased 17.6 million shares since early 2013  9.7 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 19 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 $800 million to shareholders  $130 million returned through dividends  $650 million returned through share repurchases $650M $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 Q3'16 Cumulative Share Repurchases (in millions) POLYONE CORPORATION 20 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 25 2015 Revenue: $0.7 Billion At a Glance: Performance Products & Solutions 2015 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 YTD 2020 Operating Income % of Sales Platinum Vision 11.6% B & C 31% Transportation 19% W & C 16% Industrial 13% Appliances 7% Consumer 5% Packaging 5% E & E 3% Healthcare 1% United States 79% Canada 14% Latin America 5% Asia 2% Key Applications POLYONE CORPORATION 26 2015 Revenue: $1.0 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% 6.6% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 YTD 2020 Operating Income % of Sales Platinum Vision 15% 53% 2006 3Q 2016 Transportation 24% Healthcare 23% Industrial 16% Consumer 13% E & E 6% Appliances 6% W & C 4% Packaging 4% B & C 4% http://www.avient.com/Pages/VariationRoot.aspx 27 POLYONE CORPORATION Application Examples POLYONE CORPORATION 28 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 29 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 30 Printed Circuit Boards with Thermally Conductive Polymers  Replaces metal by etching circuit designs into thermally conductive plastic  Maintains heat transfer and cooling capabilities of metals  Reduces both weight and cost  Increases the lifetime and reliability of electronic systems POLYONE CORPORATION 31 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 32 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 33 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 34  Improve performance and reduce cost through light-weighting, reduced waste, faster cycle times and extended shelf life  Aligned with megatrend of facing climate and resource challenges:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance Preservative Technology POLYONE CORPORATION 35 Metal Replacement Solutions  Replaces metal in LED lighting  Extends LED durability and life span eliminating hot spots  Greater design flexibility with fewer parts  Weight reduction  Simplifies manufacturing and lowers total production cost POLYONE CORPORATION 36 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) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. Segment Highlights At a Glance: Color, Additives & Inks At a Glance: Specialty Engineered Materials At a Glance: Designed Structures & Solutions At a Glance: Performance Products & Solutions At a Glance: Distribution Application Examples Luxury Packaging�with Gravitech Density Modified Polymers Medical Device Housings�with Chemically Resistant Engineered Polymers Printed Circuit Boards�with Thermally Conductive Polymers Color & Design Services Outdoor Applications Fiber Colorants�Solutions for clothing, apparel, footwear, automotive & sporting goods Slide Number 34 Metal Replacement Solutions High-Barrier Packaging Containers

 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 About PolyOne Reach 7,000 associates | 77 facilities | $3.4 B 2015 revenue Global Presence 10,000 global customers | Americas, Europe, Africa, Asia | Global sales, technical and manufacturing footprint Solutions 35,000+ polymer solutions | 12 innovation centers | Support for design through manufacturing 5 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 6 CAI 23% SEM 15% DSS 13% POD 29% PPS 20% 2015 Revenue: $3.4 Billion At a Glance United States 66% Europe 13% Canada 7% Asia 7% Latin America 7% $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2015 Revenue: $3.4 Billion 2015 Operating Income: $322 Million CAI 38% SEM 23% DSS 4% POD 19% PPS 16% Adjusted Earnings Per Share 7 POLYONE CORPORATION 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 Transformation 2020 Platinum Vision Platinum Vision Mix Shift Highlights Specialty Transformation POLYONE CORPORATION 8 -$0.10 $0.00 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 $0.70 2009 2010 2011 2012 2013 2014 2015 2016 Adjusted Earnings Per Share $0.56 3Q -2% 0% 2% 4% 6% 8% 10% 12% 2009 2010 2011 2012 2013 2014 2015 2016 Adjusted Consolidated Operating Margin 2.8% 5.2% 5.6% 6.7% 8.3% 6.9% 9.5% 9.9% 3Q 28 Consecutive Quarters of EPS Growth 9 POLYONE CORPORATION 2006 2016 YTD 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % of Sales Specialty: Color, Additives & Inks 1.7% 17.0% 20%+ Specialty Engineered Materials 1.1% 15.2% 20%+ Designed Structures & Solutions N/A 0.6% (TTM) 8 – 10% Performance Products & Solutions 5.5% 11.6% 12 – 14% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 60% 80%+ 3) ROIC* 5.0% 11.6% 15% 4) Adjusted EPS Growth N/A 11.5% 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 10 2,883 2,414 2006 2015 Volume (lbs in millions) -16% $103 $192 2006 2015 Commercial, R&D and Marketing Spending ($M) +86% $88 $322 2006 2015 Adjusted Operating Profit ($M) +266% Ours is Not a Cost Cutting Story 11 POLYONE CORPORATION 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% 34% 2006 2015 CAI & SEM Gross Margin 12% 43% 2006 2015 Target ≥ 35% Innovation Pipeline Potential 12 POLYONE CORPORATION Globalization Specialization Commercial Excellence Operational Excellence Growth in urbanization Changing demographics Climate and resource challenges Increase of individual power Evolution and expansion of healthcare Strategic Growth Opportunities Four Pillar Strategy Global Megatrends Attractive Revenue & Margin Growth Opportunities 13 POLYONE CORPORATION Primary Industries Served 2015 Revenue: $3.4 Billion Electrical & Electronic 5% Building & Construction 12% Appliance 4% Industrial 14% Wire & Cable 9% Healthcare 11% Consumer 10% Packaging 13% Transportation 20% Focus End Markets 14 POLYONE CORPORATION Therma-Tech™ & Sheet GEON™ Vinyl Polymer Colorants Therma-Tech™ TPE’s & Film TPE + OnForce™ Gravi-Tech™ Page 14 Film Target End Markets… Healthcare 15 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 16 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 17 POLYONE CORPORATION Source: Outdoor Industry Association TPE Vibration Dampening (SEM/GLS) TPE + OnForce (SEM) OnForce (SEM) Advanced Composites (SEM) TPE Vibration Dampening (SEM/GLS) Target End Markets… Outdoor High Performance 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) 18 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  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased 318,000 shares in Q3 2016  Repurchased 17.6 million shares since early 2013  9.7 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 19 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 $800 million to shareholders  $130 million returned through dividends  $650 million returned through share repurchases $650M $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 Q3'16 Cumulative Share Repurchases (in millions) POLYONE CORPORATION 20 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 25 2015 Revenue: $0.7 Billion At a Glance: Performance Products & Solutions 2015 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 YTD 2020 Operating Income % of Sales Platinum Vision 11.6% B & C 31% Transportation 19% W & C 16% Industrial 13% Appliances 7% Consumer 5% Packaging 5% E & E 3% Healthcare 1% United States 79% Canada 14% Latin America 5% Asia 2% Key Applications POLYONE CORPORATION 26 2015 Revenue: $1.0 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% 6.6% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 YTD 2020 Operating Income % of Sales Platinum Vision 15% 53% 2006 3Q 2016 Transportation 24% Healthcare 23% Industrial 16% Consumer 13% E & E 6% Appliances 6% W & C 4% Packaging 4% B & C 4% http://www.avient.com/Pages/VariationRoot.aspx 27 POLYONE CORPORATION Application Examples POLYONE CORPORATION 28 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 29 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 30 Printed Circuit Boards with Thermally Conductive Polymers  Replaces metal by etching circuit designs into thermally conductive plastic  Maintains heat transfer and cooling capabilities of metals  Reduces both weight and cost  Increases the lifetime and reliability of electronic systems POLYONE CORPORATION 31 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 32 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 33 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 34  Improve performance and reduce cost through light-weighting, reduced waste, faster cycle times and extended shelf life  Aligned with megatrend of facing climate and resource challenges:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance Preservative Technology POLYONE CORPORATION 35 Metal Replacement Solutions  Replaces metal in LED lighting  Extends LED durability and life span eliminating hot spots  Greater design flexibility with fewer parts  Weight reduction  Simplifies manufacturing and lowers total production cost POLYONE CORPORATION 36 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) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. Segment Highlights At a Glance: Color, Additives & Inks At a Glance: Specialty Engineered Materials At a Glance: Designed Structures & Solutions At a Glance: Performance Products & Solutions At a Glance: Distribution Application Examples Luxury Packaging�with Gravitech Density Modified Polymers Medical Device Housings�with Chemically Resistant Engineered Polymers Printed Circuit Boards�with Thermally Conductive Polymers Color & Design Services Outdoor Applications Fiber Colorants�Solutions for clothing, apparel, footwear, automotive & sporting goods Slide Number 34 Metal Replacement Solutions High-Barrier Packaging Containers Investor Presentation - November 2016 r4 (2).pdf Investor Presentation - November 2016

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