Pension Benefits Health Care Benefits Change in benefit obligation: Projected benefit obligation - beginning of year $ 433.8 $ 549.3 $ 5.9 $ 15.8 Service cost 3.1 4.1 — — Interest cost 19.6 14.1 0.3 0.4 Actuarial loss / (gain) 9.2 (80.8) (1.0) (2.9) Benefits paid (44.8) (47.1) (0.9) (1.0) Other 2.9 (5.8) 0.1 (6.5) Projected benefit obligation - end of year 423.8 433.8 4.4 5.9 Projected salary increases (6.5) (6.3) — — Accumulated benefit obligation $ 417.3 $ 427.5 $ 4.4 $ 5.9 Change in plan assets: Plan assets - beginning of year $ 396.6 $ 529.3 $ — $ — Actual return on plan assets 37.7 (89.9) — — Company contributions 9.1 6.3 0.9 1.0 Benefits paid (44.8) (47.0) (0.9) (1.0) Other 1.9 (2.1) — — Plan assets - end of year $ 400.5 $ 396.6 $ — $ — Unfunded status at end of year $ (23.3) $ (37.2) $ (4.4) $ (5.9) 50 AVIENT CORPORATION Amounts included in the accompanying Consolidated Balance Sheets as of December 31 are as follows: Pension Benefits Health Care Benefits Non-current assets $ 45.1 $ 31.0 $ — $ — Accrued expenses and other liabilities 5.1 5.7 0.5 1.3 Pension and other post-retirement benefits 63.3 62.5 3.9 4.7 As of December 31, 2023 and 2022, we had plans with total projected and accumulated benefit obligations in excess of the related plan assets as follows: Pension Benefits Health Care Benefits Projected benefit obligation $ 92.9 $ 91.5 $ 4.4 $ 5.9 Fair value of plan assets 24.5 23.3 — — Accumulated benefit obligation 86.6 80.2 4.4 5.9 Fair value of plan assets 23.8 17.7 — — Weighted-average assumptions used to determine benefit obligations at December 31: Pension Benefits Health Care Benefits 2023 2022 2023 2022 Discount rate 4.52 % 4.74 % 4.87 % 5.17 % Assumed health care cost trend rates at December 31: Health care cost trend rate assumed for next year N/A N/A 6.00 % 5.93 % Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A 3.99 % 4.13 % Year that the rate reaches the ultimate trend rate N/A N/A 2059 2054 The following table summarizes the components of net periodic benefit cost or gain that was recognized during each of the years in the three-year period ended December 31, 2023. Partially offsetting the lower asset returns was an increase in our year end discount rate from 2.47% to 2.69%. 51 AVIENT CORPORATION Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: Pension Benefits Health Care Benefits 2023 2022 2021 2023 2022 2021 Discount rate* 4.74 % 2.69 % 2.47 % 5.17 % 2.85 % 2.66 % Expected long-term return on plan assets* 6.73 % 4.39 % 4.86 % — — — Assumed health care cost trend rates at December 31: Assumed health care cost trend rates at January 1: N/A N/A N/A 5.93 % 6.44 % 6.24 % Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A N/A 4.08 % 4.08 % 4.04 % Year that the rate reaches the ultimate trend rate N/A N/A N/A 2055 2065 2066 *The mark-to-market component of net periodic costs is determined based on discount rates as of year-end and actual asset returns during the year. Goodrich Company (n/k/a Goodrich Corporation) and our predecessor, The Geon Company, at the time of the initial public offering in 1993.

D ll ( $) M il li n 2017 2018 2019 2020 2021 2022 $85 FROM PRODUCTS INTRODUCED IN THE LAST 5 YEARS 33% of specialty sales Revenue from Sustainable Solutions* 2016–2022 Lightweighting Eco-conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Human Health & Safety Reduced Energy Use Biopolymers * Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) (1) 2020 is Pro Forma to include full year of the Clariant Color business (2) 2022 is Pro Forma for the acquisition of APM and the divestiture of Distribution 2016 2017 2018 2019 2020PF(1) 2021 2022PF(2) $790M $550M $405M $455M $340M $915M $1,175M Vitality Index 11% Organic CAGR Investment in Innovation HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Sustainability Report | 2022 42 Reducing Carbon Footprint What is carbon footprint? Animal Testing Policy Audit Committee Charter California Transparency in Supply Chains Act Disclosure Code of Conduct Code of Ethics—Applicable to Avient Senior Officers ColorMatrix Europe Limited—Modern Slavery and Human Trafficking Statement Compensation Committee Charter Conflict Minerals Policy Corporate Governance Guidelines Environmental Policy Equal Employment Opportunity Global ISO Certificate Library Global Policy on Anti-Bribery and Anti-Corruption Global Policy on Antitrust Governance and Corporate Responsibility Committee Charter Position on Human Rights Privacy Policy Product Stewardship Policy Quality Policy Responsible Care Policy Safety and Health Policy Security Policy Supplier Code of Conduct HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 82 https://www.avient.com/sites/default/files/2022-03/Sustainability%20ESG%20Disclosures_Animal%20Testing%20Policy.pdf https://www.avient.com/sites/default/files/2020-07/avient-audit-committee-charter-rev-10-2019.pdf https://www.avient.com/california-transparency-act-disclosure https://www.avient.com/sites/default/files/2022-03/2022%20Senior%20Financial%20Officer%20Code%20of%20Conduct%20Policy%5B75%5D.pdf https://www.avient.com/sites/default/files/2022-05/Compensation%20Committee%20Charter%20(REV%2010-2019).pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2021-03/corporate-governance-guidelines-2021.pdf https://www.avient.com/sites/default/files/2021-04/eeo-updated-2020.pdf https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption https://www.avient.com/company/policies-and-governance/global-policy-antitrust https://www.avient.com/sites/default/files/2020-07/avient-governance-and-corporate-responsibility-committee-charter-rev-2020.pdf https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf https://www.avient.com/company/policies-and-governance/polyone-corporation-privacy-statement https://www.avient.com/sites/default/files/2022-05/Avient_ProdStewardship_Policy_2022%20Update.pdf https://www.avient.com/sites/default/files/2022-05/Avient%20Quality%20Policy.pdf https://www.avient.com/sites/default/files/2021-05/avient-responsible-care-ehs-s-policies-2021.pdf https://www.avient.com/sites/default/files/2020-10/avient-security-policy-august-2020.pdf METRICS Aldringen, Belgium by Lavinia Bocan HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 83Sustainability Report | 2022 83 People Data and Metrics Category 2019 2020 2021 2022 Total TRIR (#—Direct) 0.56 0.50 0.55 0.51 Total TRIR (#—Contractors) 0.00 0.00 0.00 0.00 Recordable Injuries (Total #) 36 37 55 57 Recordable Illnesses (Total #) 0 0 0 0 Total LTIR (#—Direct) 0.29 0.24 0.14 0.15 Total LTIR (#—Contractors) 0.00 0.00 0.00 0.00 Total Injuries of High Consequence (% of TRIR) 14 5 2 0 Total Fatality Rate (#—Direct) 0.00 0.00 0.00 0.00 Total Fatality Rate (#—Contractors) 0.00 0.00 0.00 0.00 Process Safety Incident Count (#) 0 0 0 0 Process Safety Total Incident Rate (#) 0.00 0.00 0.00 0.00 Process Safety Incident Severity Rate (#) 0.00 0.00 0.00 0.00 Transport Incidents (#—US DOT 5800/EU ADR) 0 0 0 0 Safety Improvements Completed (#) N/A N/A 10,100 14,658 EH&S Internal Audits (#) 58 37 25 40 Workers covered by an EH&S Management Systems (%) 100 100 100 100 Workers covered by an internally audited EH&S MS (%) 100 100 100 100 Facilities externally certified ISO45001 (or equivalent — %)* N/A 52 56 54 Suppliers externally certified ISO45001 (% of surveyed) N/A 44 56 53 *Certificates can be found at (https://www.avient.com/company/policies-and-governance/global-iso-certificate-library) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 84 Planet Data and Metrics ENERGY1 Total Energy (GJ) 2,377,860 2,242,291 2,361,107 2,265,482 Energy Intensity (GJ/MT Sales) 5.09 5.04 4.77 5.05 Renewable Electricity (MWh)** 104,880.63 122,505.22 174,701.68 232,488.43 Electric Power (MWh) 461,426.13 439,773.23 460,693.35 439,215.11 Renewable Electricity (%) 23 28 38 53 Renewable Energy (%) 16 20 27 37 Total Self-Generated Energy (GJ) 11,845 14,590 11,461 12,019 Energy Saving Activities (#) 59 74 102 129 Annual Savings from Energy Saving Activities (GJ) 35,573 19,470 72,845 439,347 Capital Invested in Energy Savings ($MM USD) 1.97 2.43 1.74 5.05 PURCHASED ENERGY (%) Purchased Electricity (%) 49.74 51.70 51.05 69.79 Purchased Natural Gas (%) 12.89 14.11 13.46 29.45 Purchased Steam (%) 0.00 0.00 0.00 0.00 Purchased Diesel Fuel (%) 0.87 0.95 1.12 0.76 SOURCES OF PURCHASED ELECTRICITY (%)2 Non-Renewable: Coal 46.72 45.53 41.12 40.04 Non-Renewable: Natural Gas 33.69 36.12 17.51 17.41 Non-Renewable: Other Fossil Fuels 0.00 0.00 0.26 0.21 Non-Renewable: Nuclear 11.95 11.37 9.86 9.01 Non-Renewable: Oil 2.16 1.60 1.82 1.70 Renewable: Hydro 3.24 2.23 14.79 15.22 Renewable: Wind 0.70 0.88 7.94 9.02 Renewable: Solar 1.48 2.20 3.76 4.67 Renewable: Biomass 0.06 0.07 2.53 2.44 Renewable: Geothermal 0.00 0.00 0.29 0.28 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 85 EMISSIONS1 Greenhouse Gas Emissions (MT Scope 1 GHG)** 36,680 39,023 36,147 34,792 Greenhouse Gas Emissions (MT Scope 2 GHG)** 169,789 102,479 100,595 99,465 Greenhouse Gas Emissions (MT Scope 3 GHG)3 584,622 1,440,584 2,122,338 6,421,128 Greenhouse Gas Emissions (MT Scope 1 & 2 GHG)** 206,469 141,502 136,742 134,257 Greenhouse Gas Emissions Intensity (MT 1&2 GHG/ MT Sales) 0.44 0.32 0.28 0.30 Greenhouse Gas Emissions Intensity (MT 1&2 GHG/ B Revenue) 51,864 63,886 41,249 39,524 Annual GHG Emissions Avoidance from ESA & WMP (MT) 8,378 10,235 33,631 115,099 Reportable Releases—above permitted limits (#) 0 0 0 0 EMISSIONS OF SOX/NOX/VOC/HAPS (MT) SOx 0.14 0.13 0.13 0.25 NOx 14.74 10.85 11.77 12.96 VOC 695.40 659.43 648.17 563.96 Top 4 Hazardous Air Pollutants 0.98 1.00 1.18 6.96 Particulate Matter 33.78 30.99 32.88 28.02 WASTE Total Waste (MT) 31,087 29,783 33,090 32,267 Total Waste Intensity (Kg Waste/MT Sales) 66.60 66.92 66.90 71.88 Total Waste Intensity (MT Waste/ B Revenue) 7,809 13,447 9,982 9,499 Percent of Total Waste Recycled/Beneficially Reused (%) 51.45 50.51 47.85 48.60 Percent of Total Waste Landfilled (%) 40.13 40.20 43.26 44.24 Total Waste Landfilled (MT)** 12,476 11,972 14,315 14,274 Total Non-Hazardous Waste (MT) 27,608 26,606 29,298 28,503 Waste Minimization Projects (#) 34 53 142 114 Annual Diversion from Waste Minimization Projects (MT) 2,087 743 3,136 8,425 Capital Invested in Waste Minimization ($MM USD) 0.00 0.33 1.48 2.68 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 86 HAZARDOUS WASTE Hazardous Waste US & Canada (%) 29 16 19 21 Hazardous Waste Latin America (%) 5 5 6 6 Hazardous Waste Europe (%) 36 51 41 34 Hazardous Waste Asia Pacific (%) 27 25 30 36 Hazardous Waste Middle East & Africa (%) 3 3 4 3 Total Hazardous Waste (MT) 3,480 3,177 3,792 3,850 WATER Total Water Withdrawal (1000 m3) 1,356 1,801 1,796 1,738 Total Water Withdrawal Intensity (m3/MT Sales) 2.90 4.05 3.63 3.87 Total Wastewater Discharge (1000 m3) 892 1,032 1,164 1,122 Wastewater Recycled (% of Total) 34 43 35 35 Total Water Related NoV (#) 0 0 0 0 Withdrawal & Consumed from High Water Stress Areas (% of Total) 38 35 30 28 Water Minimization Projects (#) 4 6 19 19 Annual Diversion from Water Minimization Projects (1000 m3) 9 19 55 115 Capital Invested in Water Minimization ($MM USD) 0.04 0.38 0.24 0.07 CERTIFIED ENVIRONMENTAL MANAGEMENT SYSTEMS Facilities externally certified to ISO14001/RC14001 (%)4 N/A 50 52 57 Facilities externally certified to ISO50001 (# of high energy sites)4 2 2 2 2 Suppliers externally certified ISO14001 (% of surveyed) N/A 70 75 72 Suppliers externally certified to ISO50001 (% of surveyed) N/A 17 19 24 * Includes estimated full year performance of APM acquisition ** 2019 baseline data revised to account for acquisition pro-forma performance and divestitures 1 Refer to CDP Climate Change Report for finalized Energy/Emissions information at https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report 2 Estimates. GRI 412: Human Rights Assessment 412–2 Employee training on human rights policies or procedures Performance—The Highest Ethical Standards Page 77 GRI 413: Local Communities 413–1 Operations with local community engagement, impact assessments, and development programs Planet—Community Service & Charitable Contributions Page 69 413–2 Operations with significant actual and potential negative impacts on local communities Planet—Community Service & Charitable Contributions Page 69 To our knowledge, Avient’s operations do not have a[n] significant actual or potential negative impact on local communities.

Abernathy N. Goff N. Goff — N.

Patterson N/A - - - B.C. Van Hulle N/A - - - C.M. Nikrant N/A - - - J.A.

Az USA minden állama, továbbá az USA-n kívül több mint 100 ország rendelkezik trösztellenes jogszabályokkal. Ha Ön bármikor olyan, trösztellenes szempontból érzékeny tevékenységekbe kíván kezdeni, amelyek hatással bírhatnak akár az USA-n belül, akár azon kívül, akkor előzetesen egyeztessen az Avient jogi osztályával. 2 „Ajánlattétel összehangolása” az, amikor az összejátszó versenytársak előzetesen megegyeznek abban, hogy ki fogja benyújtani a nyertes ajánlatot egy szerződésre egy versenytárgyalási folyamat során.

PEDERSON Senior Vice President, President of Specialty Engineered Materials JENNIFER N. Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: 2021 2020 2019 2021 2020 2019 Discount rate* 2.47 % 3.19 % 4.11 % 2.66 % 3.06 % 3.98 % Expected long-term return on plan assets* 4.86 % 5.05 % 5.68 % — — — Assumed health care cost trend rates at December 31: Assumed health care cost trend rates at January 1: N/A N/A N/A 6.24 % 6.16 % 6.09 % Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) N/A N/A N/A 4.04 % 4.14 % 4.50 % Year that the rate reaches the ultimate trend rate N/A N/A N/A 2066 2054 2027 *The mark-to-market component of net periodic costs is determined based on discount rates as of year-end and actual asset returns during the year. PEDERSON Senior Vice President, President of Specialty Engineered Materials JENNIFER N.

Beachten Sie bitte, dass alle Änderungen an Ihrem Profil Auswirkungen auf Ihre aktuelle(n) Bewerbung(en) haben können. Wir werden Ihre Anfrage(n) so schnell wie möglich, aber in jedem Fall innerhalb der gesetzlich vorgeschriebenen Frist beantworten.

 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?

PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 5 Building & 10% Electrical & 11% 9% Distribution 28% PP&S Specialty 52% 69% 13% 7% Asia 2014 Revenues: $3.8 Billion End Markets 2014 Revenues: $3.8 Billion PolyOne At A Glance $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 2006 2007 2008 2009 2010 2011 2012 2013 2014 Adjusted EPS PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 2020 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 80%+ Specialty OI $5M $46M $87M $195M $242M $183M Mix Shift Highlights Specialty Transformation Transformation 2020 Platinum Vision Platinum Vision PolyOne Corporation Page 7 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.1% 20%+ Designed Structures & Solutions 1.4% (2012) 3.5% 12 – 14% Performance Products & Solutions 5.5% 8.1% 10 – 12% Distribution 2.6% 6.6% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 66% 80%+ 3) ROIC 5.0% 11.9% 15% 4) Adjusted EPS Growth N/A 24 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 8 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $52 2006 TTM Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 28% 2006 TTM Specialty Platform Gross Margin % 12% 43% 2006 TTM Specialty Vitality Index Target ≥ 35% TTM 9/30/15 TTM 9/30/15 TTM 9/30/15 PolyOne Corporation Page 9 Innovation Pipeline Potential Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 12 4 9 6 1 6 3 7 4 5 6 1 1 7 2 Breakthrough Platform Derivative Number of Projects 12 10 23 19 10 74 Specialty Addressable Market ($ millions) - - $1,150 $1,000 $250 $2,400 PolyOne Corporation Page 10 Lightweighting with Advanced Composites Increasing Healthcare Penetration Innovation Initiatives Expansion in Consumer Markets New Market Development $$$ $$ $ High Temperature Polymers PolyOne Corporation Page 11 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 12 Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers • Supporting customers who lack their own formal process improvement initiatives  Providing training in Customer Centric Selling Skills with customers’ sales force PolyOne Corporation Page 13 60% 97% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q3 2015 Pension Funding** As of September 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.1x $49 $121 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of September 30, 2015 ($ millions) Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.49% as of 9/30/15 **TTM 9/30/2015 PolyOne Corporation Page 14 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.32 $0.40 $0.48 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 2016 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 2.4 million shares in Q3 2015  Repurchased 14.8 million shares since early 2013  5.2 million shares are available for repurchase under the current authorization $0.24 PolyOne Corporation Page 15 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 16 Appendix PolyOne Corporation Page 17 $0.20 $0.28 $0.36 $0.49 $0.54 $0.00 $0.15 $0.30 $0.45 $0.60 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 Adjusted EPS Q3 2015 Financial Highlights  Color Additives & Inks operating margin reaches record third quarter level of 17.3%  Specialty Engineered Materials operating margin grew 210 basis points year-over-year to 14.7%  Third quarter adjusted EPS has grown on average 28% per year since 2011 $13 $19 $29 $30 $35 $0 $10 $20 $30 $40 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GCAI Operating Profit $11 $13 $15 $18 $20 $10 $14 $18 $22 Q3'11 Q3'12 Q3'13 Q3'14 Q3'15 GSEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 18 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 17.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 44% 36% PolyOne Corporation Page 19 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 15.1% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 44% 33% 19% PolyOne Corporation Page 20 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 3.5% 12-14% 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 21 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.1% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 22 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales 15% 52% 2006 Q3 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 23 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 24 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  113 trained Black Belts  235 trained Green Belts  151 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 25 Application Examples PolyOne Corporation Page 26 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 Page 27  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 28 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 29 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 30 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 31 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 Page 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 PolyOne Corporation Page 33 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.

S&P 500 PolyOne Corporation Page 9 2006 YTD 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 17.2% 20%+ Global Specialty Engineered Materials 1.1% 15.3% 20%+ Designed Structures & Solutions 1.4% (2012) 3.3% 12 – 14% Performance Products & Solutions 5.5% 7.6% 10 – 12% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 67% 80%+ 3) ROIC (after-tax)* 5.0% 11.7% 15% 4) Adjusted EPS Growth N/A 23 Consecutive Quarters of YOY EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals *ROIC is defined as TTM adjusted operating income after-tax divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 102% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q2 2015 Pension Funding** As of June 30, 2015 Debt Maturities & Pension Funding Net Debt / Adjusted EBITDA** = 2.0x Coupon Rate: 7.500% Variable* 7.375% 5.250% ** includes US-qualified pension plans only *Weighted average rate on revolver was 2.40% as of 6/30/15 **TTM 6/30/2015 $49 $79 $317 $600 $400 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2018 2020 2023 Debt Maturities As of June 30, 2015 ($ millions) PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased nearly 600K shares in Q2 2015  Repurchased 12.4 million shares since early 2013  7.6 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance PolyOne Corporation Page 18 Appendix PolyOne Corporation Page 19 $0.19 $0.26 $0.30 $0.37 $0.51 $0.57 $0.00 $0.25 $0.50 Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2'15 Adjusted EPS Q2 2015 Financial Highlights  Global Color Additives & Inks operating margin reaches record level of 18.2%  Global Specialty Engineered Materials operating margin grew 240 basis points year-over-year to 14.4%  Second quarter adjusted EPS has grown on average 25% per year since 2010 $13 $14 $24 $31 $38 $40 $10 $30 $50 Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2'15 GCAI Operating Profit $12 $13 $13 $15 $19 $20 $10 $14 $18 $22 Q2'10 Q2'11 Q2'12 Q2'13 Q2'14 Q2'15 GSEM Operating Profit Note: $ in millions, except per share data PolyOne Corporation Page 20 Building & 7% Electrical & 1% 31% Textiles 7% 12% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 17.2% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Platinum Vision 36% PolyOne Corporation Page 21 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 15.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision 12.1% 33% 19% PolyOne Corporation Page 22 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 3.3% 12-14% 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales Platinum Vision PolyOne Corporation Page 23 Building & 33% 5% Electrical & 1% 11% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.6% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 10-12% Platinum Vision 2014 Revenue by Industry Segment 7.7% PolyOne Corporation Page 24 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.5% 6.5-7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 YTD 2015 2020 Operating Income % of Sales 15% 52% 2006 Q2 2015 At a Glance Distribution Key Suppliers 2014 Revenues: $1.1 Billion ROIC Expanding Profits 6.1% Platinum Vision http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 25 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 26 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  114 trained Black Belts  222 trained Green Belts  140 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance PET Bottling Technology 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 2009 2014 2019 Asia Pacific North America Latin America Western Europe Eastern Europe Middle East and Africa Global PET Packaging Growth 2009-2019 Source: Euromonitor retail off-trade consumption (PET bottles & jars, home care, personal care, food & non-alcoholic beverages) B ill io n un its 5% CAGR PolyOne Corporation Page 29 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 30 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital 2015 Range Rover Evoque Interior PolyOne Corporation Page 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 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 Page 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 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 PolyOne Corporation Page 35 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.