About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

March 9, 2016

January 21, 2016

About PolyOne  PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

PolyOne Investor Presentation 3Q 2016 Morgan Stanley Global Chemicals and Agriculture Conference November 2016 POLYONE CORPORATION 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. PolyOne Investor �Presentation�3Q 2016 Forward-Looking Statements Use of Non-GAAP Measures About PolyOne What We Do At a Glance Slide Number 7 28 Consecutive Quarters of EPS Growth Proof of Performance & 2020 Goals Ours is Not a Cost Cutting Story Innovation Drives Earnings Growth Strategic Growth Opportunities Primary Industries Served Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Returning Cash to Shareholders Why Invest In PolyOne? 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

Adjusted EPS is calculated as follows: Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y 2014Y 2015Y Net income (loss) attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 Joint venture equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) — — — — Special items, after tax(1) (51.2) 10.7 457.2 (75.9) (72.5) (72.8) 36.2 32.6 90.5 28.9 Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 93.5 88.7 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 Adjusted EPS Q1 2009* Q2 2009* Q3 2009* Q4 2009* Q1 2010 Q2 2010 Q3 2010 Q4 2010 Net income attributable to PolyOne common shareholders $ 3.3 $ 1.3 $ 51.3 $ 50.8 $ 20.1 $ 44.7 $ 0.1 $ 87.6 Joint venture equity earnings, after tax (8.2) (5.8) (3.0) (2.0) (0.5) (4.5) (6.2) (3.5) Special items, after tax(1) (10.2) 9.2 (36.9) (38.0) (3.8) (22.1) 25.4 (72.0) Adjusted net (loss) income $ (15.1) $ 4.7 $ 11.4 $ 10.8 $ 15.8 $ 18.1 $ 19.3 $ 12.1 Diluted shares 92.2 93.5 93.9 94.4 95.3 96.3 96.3 97.4 Adjusted EPS $ (0.16) $ 0.05 $ 0.12 $ 0.11 $ 0.17 $ 0.19 $ 0.20 $ 0.12 Adjusted EPS Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 Net income attributable to PolyOne common shareholders $ 106.0 $ 23.1 $ 16.0 $ 8.3 $ 15.3 $ 18.4 $ 19.4 $ 0.2 Joint venture equity earnings, after tax (3.7) - - - - - - - Special items, after tax(1) (81.3) 1.3 2.8 4.4 6.2 8.9 5.4 15.7 Adjusted net income $ 21.0 $ 24.4 $ 18.8 $ 12.7 $ 21.5 $ 27.3 $ 24.8 $ 15.9 Diluted shares 96.4 95.5 94.0 91.9 90.7 90.7 90.2 90.5 Adjusted EPS $ 0.22 $ 0.26 $ 0.20 $ 0.14 $ 0.24 $ 0.30 $ 0.28 $ 0.18 2 Adjusted EPS Q1 2013 Q2 2013 Q3 2013 Q4 2013 Q1 2014 Q2 2014 Q3 2014 Q4 2014 Net income (loss) attributable to PolyOne common shareholders $ 11.2 $ 38.6 $ 23.2 $ 21.0 $ 29.4 $ 30.9 $ 32.3 $ (14.6) Special items, after tax(1) 17.7 (2.0) 12.3 4.6 12.5 17.4 13.1 47.5 Adjusted net income $ 28.9 $ 36.6 $ 35.5 $ 25.6 $ 41.9 $ 48.3 $ 45.4 $ 32.9 Diluted shares 92.8 99.1 98.1 97.2 95.7 94.3 93.1 91.3 Adjusted EPS $ 0.31 $ 0.37 $ 0.36 $ 0.26 $ 0.44 $ 0.51 $ 0.49 $ 0.36 Adjusted EPS Q1 2015 Q2 2015 Q3 2015 Q4 2015 Q1 2016 Q2 2016 Net income attributable to PolyOne common shareholders $ 30.2 $ 66.8 $ 44.5 $ 3.1 $ 39.1 $ 50.0 Special items, after tax(1) 11.4 (15.9) 3.0 30.4 9.1 3.2 Adjusted net income $ 41.6 $ 50.9 $ 47.5 $ 33.5 $ 48.2 $ 53.2 Diluted shares 90.1 89.8 88.4 86.6 85.5 84.7 Adjusted EPS $ 0.46 $ 0.57 $ 0.54 $ 0.39 $ 0.56 $ 0.63 Adjusted operating margin is calculated as follows: Adjusted operating margin Q1 2009* Q2 2009* Q3 2009* Q4 2009* YTD 2009* Q1 2010 Q2 2010 Q3 2010 Q4 2010 YTD 2010 Operating Income $ 9.9 $ 17.1 $ 57.9 $ 52.2 $ 137.1 $ 32.3 $ 58.6 $ 42.0 $ 26.3 $ 159.2 Special items (1) (1.3) 4.6 (27.5) (24.5) (48.7) - (14.5) 5.5 4.2 (4.8) Joint venture equity earnings (12.8) (9.0) (4.8) (3.1) (29.7) (0.8) (7.1) (9.7) (5.5) (23.1) Adjusted operating (loss) income $ (4.2) $ 12.7 $ 25.6 $ 24.6 $ 58.7 $ 31.5 $ 37.0 $ 37.8 $ 25.0 $ 131.3 Sales $ 463.4 $ 496.5 $ 548.3 $ 552.5 $ 2,060.7 $ 604.0 $ 666.2 $ 650.7 $ 585.3 $ 2,506.2 Operating Margin (0.9)% 2.6% 4.7% 4.5% 2.8% 5.2% 5.6% 5.8% 4.3% 5.2% Adjusted operating margin Q1 2011 Q2 2011 Q3 2011 Q4 2011 YTD 2011 Q1 2012 Q2 2012 Q3 2012 Q4 2012 YTD 2012 Operating income (loss) $ 173.4 $ 42.4 $ 33.4 $ (46.2) $ 203.0 $ 37.4 $ 43.3 $ 43.5 $ 13.3 $ 137.5 Special items (1) (127.2) 2.7 4.9 72.9 (46.7) 8.5 11.8 8.3 25.3 53.9 Joint venture equity earnings (5.7) - - - (5.7) - - - - - Adjusted operating income $ 40.5 $ 45.1 $ 38.3 $ 26.7 $ 150.6 $ 45.9 $ 55.1 $ 51.8 $ 38.6 $ 191.4 Sales $ 682.8 $ 723.4 $ 694.0 $ 609.2 $ 2,709.4 $ 745.5 $ 756.6 $ 707.7 $ 651.0 $ 2,860.8 Operating Margin 5.9% 6.2% 5.5% 4.4% 5.6% 6.2% 7.3% 7.3% 5.9% 6.7% 3 Adjusted operating margin Q1 2013 Q2 2013 Q3 2013 Q4 2013 YTD 2013 Q1 2014 Q2 2014 Q3 2014 Q4 2014 YTD 2014 Operating income (loss) $ 40.5 $ 80.7 $ 61.6 $ 48.7 $ 231.5 $ 56.4 $ 49.4 $ 63.6 $ (14.3) $ 155.1 Special items (1) 16.6 (5.2) 10.8 7.8 30.0 22.9 39.8 22.0 80.2 164.9 Adjusted operating income $ 57.1 $ 75.5 $ 72.4 $ 56.5 $ 261.5 $ 79.3 $ 89.2 $ 85.6 $ 65.9 $ 320.0 Sales $ 801.1 $ 1,037.6 $ 1,008.9 $ 923.6 $ 3,771.2 $ 1,002.3 $ 1,005.5 $ 958.4 $ 869.3 $ 3,835.5 Operating Margin 7.1% 7.3% 7.2% 6.1% 6.9% 7.9% 8.9% 8.9% 7.6% 8.3% Adjusted operating margin Q1 2015 Q2 2015 Q3 2015 Q4 2015 YTD 2015 Q1 2016 Q2 2016 Operating income $ 70.1 $ 80.3 $ 69.2 $ 31.3 $ 250.9 $ 71.3 $ 81.5 Special items (1) 9.3 11.9 18.7 31.4 71.3 13.8 10.4 Adjusted operating income $ 79.4 $ 92.2 $ 87.9 $ 62.7 $ 322.2 $ 85.1 $ 91.9 Sales $ 873.1 $ 887.1 $ 841.6 $ 775.8 $ 3,377.6 $ 847.0 $ 861.5 Operating Margin 9.1% 10.4% 10.4% 8.1% 9.5% 10.0% 10.7% Adjusted gross margin is calculated as follows: (In millions) Twelve Months Ended December 31, 2015 Gross margin - GAAP $ 681.5 Special items in gross margin(1) 39.7 Gross margin before special items $ 721.2 Specialty platform percentage of operating income is calculated as follows: Platform operating income mix percentage 2006Y* Q2 2016 Color, Additives and Inks $ 8.9 $ 38.2 Specialty Engineered Materials 3.9 21.4 Designed Structures and Solutions — 1.0 Specialty Platform $ 12.8 $ 60.6 Performance Products and Solutions 64.2 21.3 Distribution 19.2 17.8 Joint ventures 102.9 — Corporate and eliminations 34.5 (18.2) Operating income GAAP $ 233.6 $ 81.5 Less: Corporate and eliminations (34.5) 18.2 Operating income excluding Corporate $ 199.1 $ 99.7 Specialty platform percentage of operating income excluding corporate 6% 61% 4 Adjusted EBITDA and net debt to adjusted EBITDA is calculated as follows: (In millions) Six Months Ended June 30, 2015 Twelve Months Ended December 31, 2015 Six Months Ended June 30, 2016 Trailing Twelve Months Ended June 30, 2016 Income from continuing operations, before income taxes $ 116.7 $ 167.7 $ 123.6 $ 174.6 Interest expense, net 32.3 64.1 29.2 61.0 Depreciation and amortization 50.1 104.3 52.4 106.6 Special items, impact on income (loss) from continuing operations before income taxes(1) 21.2 87.6 24.5 90.9 Accelerated depreciation included in special items (0.3) (6.2) (3.2) (9.1) Adjusted EBITDA(2) $ 220.0 $ 417.5 $ 226.5 $ 424.0 Short-term and current portion of long-term debt $ 18.4 Long-term debt 1,126.2 Total Debt 1,144.6 Less: Cash and cash equivalents (161.4) Net Debt $ 983.2 Net Debt / TTM Adjusted EBITDA 2.3 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal, discontinued operations or the related resegmentation 2) Adjusted EBITDA does not include the pro forma impact of acquired businesses for the trailing twelve months ended June 30, 2016. Q2 POL IR Presentation - 2016 KeyBanc Capital Markets Basic Materials & Packaging Conference Investor Presentation - September 14, 2016 r4 Investor Presentation - September 14, 2016

Jellison served in this capacity from 2013 to 2016. No fees for other services were billed in 2017 and 2016. The stock price hurdles were achieved in 2016.

PolyOne Corporation Page 1 PolyOne Investor Presentation March 2016 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. POL IR Presentation - February 2016 2.26.2016 ��PolyOne Investor Presentation�March 2016�� Forward-Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation 25 Consecutive Quarters of EPS Growth PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Color and Engineered Materials at the�Heart of Specialty Transformation Proof of Performance & 2020 Goals Slide Number 10 Slide Number 11 Slide Number 12 Slide Number 13 Innovation Drives Earnings Growth Investing to Drive Growth Design and Service as a Differentiator Customer First Through World-Class Service Debt Maturities & Pension Funding Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Why Invest In PolyOne? Appendix Recent Acquisitions 2015 Full Year Financial Highlights At a Glance�Color, Additives and Inks At a Glance�Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Application Examples Outdoor Applications Slide Number 32 Authentication Technology Metal Replacement Solutions Range Rover Evoque Interior Slide Number 36 High-Barrier Packaging Containers Aerospace Applications Investor Presentation - March 1, 2016 r36 Investor Presentation - March 1, 2016

GUIDANCE DEBT / LEVERAGE R EDUCTION • Completed sale of Distribution and paid down $750M of debt in November • Strong free cash flow in fourth quarter reduced leverage and enabled paydown of additional $200M of debt • Fixed/Floating Debt Ratio 63/37 • Proven track record of deleveraging following acquisitions through consistent free cash flow generation $725 $725 $725 $575 $500 $400 $600 $525 $425 $650 $650 $650 $600 $2.40B $2.20B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes After Distribution Divestiture Year-End 4 Year-End Leverage 3.8x 3.1x 2.9x 2023 Notes After Avient Protective Materials Acquisition $3.15B 20 22 TRA NSF OR MATI ONAL PORTFOLI O ENHA NC EMENTS 5 EBITDA margins expanded from 12% to 16% Diversified end markets with reduced exposure to more cyclical industries Dyneema® Acquisition $1.48B acquisition strengthens composites platform Significantly improved EBITDA margins $950M divestiture results in 100% specialty sales Strong exit multiple of 10x TTM EBITDA despite market volatility Distribution Divestiture Improved Portfolio G ROW I NG C OM PO SI T ES P LAT F OR M C O NT R I BU TI O NS TO S EM S EG ME NT 6 Note: 2022 is pro forma for Avient Protective Materials 2016 Sales 2022 Sales Advanced Composites 51% $560M $1,300M Advanced Composites 9% C O M P O S I T E S P O R T F O L I O D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D T A P E S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 7 ADVA NC ED C OM POSI TES PERFORMA NCE 8 (1) Pro forma for the acquisition of Avient Protective Materials Sales $51 $84 $212 $668 2016 2018 2020 2022 $4 $10 $41 $169 2016 2018 2020 2022 EBITDA (1) (1) ($ in millions) PORTFOLIO EVOLUTION AND EPS EXPANSION 9 Adj. EPS (1) $0.14 $2.67 $3.04 2006 2018 2022PF TO P- TI E R S U S TA I N A B I L I T Y P E R F O R M A NC E A N D R E C O G N I T I O N Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 3 1 4 10 PEOPL E C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 11 2 0 2 2 R E S U L T S Q4 EBITDA BRIDGE ( P R O F O R M A T O TA L C O M PA N Y ) 13 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted EBITDA Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy P ROV E N T R AC K R E C O R D O F S T RO N G A N D I M P ROV I N G F R E E C A S H F LOW G E N E R AT I O N 14 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 F re e C a s h F lo w C o n v e rs io n F re e C a s h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials $600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE ( T O TA L C O M PA N Y P R O F O R M A ) 15 Sales Adjusted EBITDA $3,712 $3,653 2021 2022 - 2% Adjusted EPS - 1% + 1% (in millions) (in millions) (+ 4% excluding FX) (+ 5% excluding FX) (+ 9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 16 CAI $2,402 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+ 4% excluding FX) - 2% - 1% (+ 5% excluding FX) - 2% (+ 4% excluding FX) - 2% (+ 2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 17 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE ( P R O F O R M A T O TA L C O M PA N Y ) 18 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted EBITDA Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2 0 2 3 G U I D A N C E $125 $530 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 20 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CA SH FLOW / BALANCE SHEET 21 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROW TH DR IVER S: PROV EN SUCC ESS 23 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 2016 2018 2020 2022 Long Term Growth Rate 10% Organic CAGR 10% HEALTHCARE $108 $113 $231 $293 2016 2018 2020 2022 Long Term Growth Rate 8-10% Organic CAGR 11% ASIA/EMERGING REGIONS $265 $358 $726 $830 2016 2018 2020 2022 Long Term Growth Rate 5% Organic CAGR 12% $340 $455 $790 2016 2018 2020 2022 $1,175 SUSTAINABLE SOLUTIONS Long Term Growth Rate 8-12% Organic CAGR 11% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% L E V E R AG I N G O U R T R A N S F OR M E D PO RT F O L I O 24 Healthcare 8% Packaging 24% Consumer 20% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% 2022 PF $3.65B sales Defense 6% Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) (1) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P E E R C O M PA R I S O N S AV I E N T I S A S SE T L I G H T Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 27 3 2 3 3 4 4 3 4 5 5 5 6 7 7 A vi e n t K W R P P G F U L A V Y R P M F M C H U N H X L C E E C L A S H S C L E M N F R E E C A S H F LOW C O N V E R S I O N Source: Peer data per Bloomberg as of February 13, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.