 Addressable market exceeds $40 billion St f d t t th t t t d ti 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 The New PolyOne: A Specialty Growth Company g p g g g p PolyOne Corporation Page 21 The New PolyOne: A Specialty Growth Company Appendix PolyOne Corporation Page 22 2Q 2016 Financial Highlights  Performance Products & Solutions operating margin grew 370 basis $18 $16 $21 $18 $22 PP&S Operating Profit points year-over-year to 12.3% $11 $15 $16 $10 $14 $18 2Q'12 2Q'13 2Q'14 2Q'15 2Q'16 SEM O ti P fit  SEM operating margin expanded 50 basis points to a record second $15 $19 $20 $21 $18 $22 SEM Operating Profit Adjusted EPS quarter level of 14.9% $13 $15 $10 $14 2Q'12 2Q'13 2Q'14 2Q'15 2Q'16 $0.37 $0.51 $0.57 $0.63 $0.45 $0.70 Adjusted EPS  Second quarter adjusted EPS has grown on average 20% per year PolyOne Corporation Page 23 $0.30 $ $0.20 2Q'12 2Q'13 2Q'14 2Q'15 2Q'16 since 2012 Note: $ in millions, except per share data At a Glance Color, Additives and Inks 2015 Revenues: $0.8 Billion Solutions United States 48% Europe 33% Asia Canada 2% 12% Latin America 5% 16.7% 18.0% 20%+Operating Income % of Sales Expanding Profits2015 Revenue by Industry Segment 14.7% Packaging 31% Textiles 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% Building & C i Consumer Healthcare 6% Industrial 13% 8% Transportation 9% Wire & Cable 11% PolyOne Corporation Page 24 1.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision Appliances 2% Construction 11% 8% Electrical & Electronics 1% At a Glance Specialty Engineered Materials 2015 Revenues: $0.5 Billion Solutions United States 49%49% Europe 29% Asia 20% Canada 2% 14.7% 14.9% 20%+Operating Income % of Sales 2015 Revenue by Industry Segment Expanding Profits Appliances 3% Packaging 5% Transportation 19% Wire & Cable 15% 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1%Building & Construction 3% Consumer 20% Electrical & Electronics Healthcare 11% Industrial 8% PolyOne Corporation Page 25 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision Electronics 16% At a Glance Designed Structures and Solutions Solutions2015 Revenues: $0.5 Billion United States 97% Canada 3% 8-10% Operating Income % of Sales Expanding Profits2015 Revenue by Industry Segment Packaging 19% 1.4% 5.6% 7.3% 3.0% 1.0%Building & Construction Healthcare 7% Industrial 24% Transportation 33% PolyOne Corporation Page 26 2012 2013 2014 2015 2Q'16 2020 Platinum Vision Appliances, 3% Construction 9% Consumer 5% 7% At a Glance Performance Products and Solutions Solutions2015 Revenues: $0.7 Billion United States 79% CanadaCanada 14% Asia 2% Latin America 5% Packaging 5% Transportation 19% Wire & Cable 16% 12-14% Operating Income % of Sales Expanding Profits 12.3% 2015 Revenue by Industry Segment Appliances 7% Building & Construction 31% Electrical & El t i Healthcare 1% Industrial 13% % 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 8.3%7.7% PolyOne Corporation Page 27 31% Consumer 5% Electronics 3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 Platinum Vision At a Glance Distribution Key Suppliers2015 Revenues: $1.0 Billion Packaging 4% Transportation 24% Wire & Cable 4% Appliances 6% Building & Construction 4%Consumer 13%Healthcare Industrial 16% Electrical & Electronics 6% 23% 6 6% 6.5-7.5% 6 5% Operating Income % of Sales 53% ROIC Expanding Profits 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6.6% 6.5% 15% 6.1% PolyOne Corporation Page 28 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2Q'16 2020 15% 2006 2Q 2016 Platinum Vision Plastics: Key to Future Sustainable Development 2 lbs Plastic = 3 lbs aluminum Requires 91% less energy to  recycle a pound of plastic versus  a pound of paper3 lbs aluminum or 8 lbs steel or a pound of paper or 27 lbs glass 33% less material by weight  than aluminum 75% less material by weight75% less material by weight  than steel 93% less material by weight  than glass PolyOne Corporation Page 29 than glass Source: SPI: Sustainability and the Plastics Industry Application Examples PolyOne Corporation Page 30 Luxury Packaging with Gravitech Density Modified Polymers • Impart weight, sound and  metallic finish to caps andmetallic finish to caps and  closures for cosmetics and  spirits applications • Elevate quality and prestige  perceptions amongperceptions among  high‐end consumers • Eliminate time and cost  associated with secondary  operations and assembly PolyOne Corporation Page 31 p y Medical Device Housings with Chemically Resistant Engineered Polymers • Durable, long‐lasting products  stand up to the most  aggressive disinfectants • Minimize environmental stress  cracking and discolorationg • One of the broadest medically y approved polymer and  colorant portfolios PolyOne Corporation Page 32 Printed Circuit Boards with Thermally Conductive Polymers • Replaces metal by etchingReplaces 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 Page 33 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 Page 34 • Faster development timelines Outdoor Applications • Leading provider of high  performance specialty materials for the recreational and sports & p leisure industry • Well positioned across all segments  to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance PolyOne Corporation Page 35 Source: Outdoor Industry Association 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Extrusion‐spun fibers colored via  solid masterbatch PolyOne Corporation Page 36 PET Bottling Technology • $1.5 billion attractive, growing market  Shelf‐life  extension Weight  reduction • Improve performance and reduce cost through light‐weighting,  d d t f t l ti Greater product  consistency l b l Enhanced product  aesthetics reduced waste, faster cycle times  and extended shelf life Recyclability and  reduced carbon  footprint aesthetics High heat • Aligned with megatrend of facing  climate and resource challenges: Color and Special Effects High heat resistance Sustainability benefits include  lower package weight and  improved recyclability of package  at end of use PolyOne Corporation Page 37 at end of use  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 l f f d• Simplifies manufacturing and  lowers total production cost PolyOne Corporation Page 38 High-Barrier Packaging Containers • Capability to extrude up to 13 layers• Capability to extrude up to 13 layers • Strong oxygen and moisture vapor  transmission protectiontransmission protection • Can be made symmetrical or  asymmetrical to meet customizedasymmetrical to meet customized  needs of broad variety of applications • Barrier protection and superiorBarrier protection and superior  sensory properties PolyOne Corporation Page 39 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.

St. Tim Patterson, Maintenance Supervisor, St. In this way, we also keep today’s waste from becoming tomorrow’s contamination. 52% Total Waste RECYCLED OR BENEFICIALLY REUSED IN 2019 0 ZERO Reportable Releases IN EXCESS OF PERMITTED LEVEL TO THE ENVIRONMENT SINCE 2013 0 3,000 6,000 9,000 12,000 15,000 2016 2017 2018 2019 Total Waste 0 5 10 15 20 25 Total Waste Intensity 2016 2017 2018 2019 K g W a st e /M T P ro d u ct io n M e tr ic T o n s HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 67 Eliminating Plastic Waste Plastic is a miraculous, versatile material that positively impacts our world.

St. Tim Patterson, Maintenance Supervisor, St. In this way, we also keep today’s waste from becoming tomorrow’s contamination. 52% Total Waste RECYCLED OR BENEFICIALLY REUSED IN 2019 0 ZERO Reportable Releases IN EXCESS OF PERMITTED LEVEL TO THE ENVIRONMENT SINCE 2013 0 3,000 6,000 9,000 12,000 15,000 2016 2017 2018 2019 Total Waste 0 5 10 15 20 25 Total Waste Intensity 2016 2017 2018 2019 K g W a st e /M T P ro d u ct io n M e tr ic T o n s HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 67 Eliminating Plastic Waste Plastic is a miraculous, versatile material that positively impacts our world.

Remafin™ EP White Colorants Remafin™ Concentrates for Polyolefins Remafin™ Fiber Colorants for PP

St. LEARN MORE Visit Our Sustainability Site for More Information LEARN MORE HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2022 46 https://www.avient.com/industries/healthcare https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-additives/healthcare-additives/mevopur-healthcare-functional-additives https://www.avient.com/products/polymer-additives/healthcare-additives/mevopur-healthcare-functional-additives https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/remafin-ep-white-colorants https://www.avient.com/sites/default/files/2023-01/Trilliant%20HC%20GF%20Polyketone%20_PK_%20Product%20Bulletin.pdf https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers https://www.avient.com/sites/default/files/2023-03/Trilliant%20HC%20glass-filled%20PK%20-%20Biopharma%20Tubing%20Clamps.pdf https://www.avient.com/company/sustainability/sustainability-report/products/markets Transportation Market Needs: Improve Efficiency, Extend Range, Enable Circularity As the demand for low- and zero-emission, energy-efficient transportation continues to grow across all vehicle types, transportation requirements are evolving quickly. continues on next page) Adjusted EBITDA from Specialty Applications % o f A d ju st e d E B IT D A Commodity JV’s Performance Products & Solutions Distribution Specialty Businesses Specialty Transformation Expands Margin Profile (1) Pro forma for the acquisition of Clariant Color (2) Pro forma for the acquisition of APM and divestiture of Distribution 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020PF(1) 2022PF(2) 7% 46% 66% 87% 100% Adjusted EBITDA Margins ��� ��� ��� ���� ���� 16.2% 11.5% 5.4% 2006 2018 2022PF(2) 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 74Sustainability Report | 2022 74 https://www.avient.com/company/policies-and-governance/code-conduct Performance Overview (continued from previous page) With the acquisition of Dyneema®, the world’s strongest fiber, and divestiture of Distribution, 2022 was a pivotal and progressive year for Avient and our vision to be a world-class, sustainable organization.

Manager Equipment Control - KLM-Martinair Avient Corporation 60 18 27 0 5 10 15 20 25 30 35 40 45 50 2023 2026 2029 2032 EMEA APAC Americas 11% CAGR 38 49 53 58 30 35 40 45 50 55 60 2023 2026 2029 2032 Source: NHTSA, Reuters Source: BloombergNEF Global Offshore Wind Installations M ile s Pe r G al lo n An nu al In st al la ti on s (in G ig aw at ts ) 1.

Row 7 (9.3.1.1) Facility reference number Select from: ☑ Facility 42 (9.3.1.3) Value chain stage Select from: ☑ Direct operations 420 (9.3.1.4) Dependencies, impacts, risks, and/or opportunities identified at this facility Select all that apply ☑ Risks (9.3.1.5) Withdrawals or discharges in the reporting year Select from: ☑ Yes, withdrawals and discharges (9.3.1.7) Country/Area & River basin Canada ☑ St. Row 76 (9.3.1.1) Facility reference number Select from: ☑ Facility 98 (9.3.1.3) Value chain stage Select from: ☑ Direct operations (9.3.1.4) Dependencies, impacts, risks, and/or opportunities identified at this facility Select all that apply ☑ Risks 633 (9.3.1.5) Withdrawals or discharges in the reporting year Select from: ☑ Yes, withdrawals and discharges (9.3.1.7) Country/Area & River basin United States of America ☑ St. Row 77 (9.3.1.1) Facility reference number Select from: ☑ Facility 99 (9.3.1.3) Value chain stage Select from: ☑ Direct operations (9.3.1.4) Dependencies, impacts, risks, and/or opportunities identified at this facility Select all that apply 636 ☑ Risks (9.3.1.5) Withdrawals or discharges in the reporting year Select from: ☑ Yes, withdrawals and discharges (9.3.1.7) Country/Area & River basin United States of America ☑ St.

St. In this way, we also keep today’s waste from becoming tomorrow’s contamination. 0 ZERO Reportable Releases IN EXCESS OF PERMITTED LEVEL TO THE ENVIRONMENT SINCE 2013 0 10 20 30 40 50 60 Total Waste Intensity K g W a st e /M T P ro d u ct io n 0 6,500 13,000 19,500 26,000 2016 2017 2018 2019* 2020* Total Waste M e tr ic T o n s *To facilitate year over year comparisons, 2019 and 2020 metrics for Planet categories have been presented on a pro forma basis inclusive of the acquisition of the Clariant Masterbatch business. 1) 2019 and 2020 figures are pro forma to include a full year of the acquired Clariant Masterbatch business (2) 2021 EPS figure reflects management guidance as of July 30, 2021 earnings call 4% 8% 10% 15% 21% 23% ** 2020 Pro Forma for Clariant Masterbatch acquisition 0 10 20 30 40 50 60 He alt hc ar e High Growth End Markets 2006 2020 PF** 22% 58% E n d M a rk e t R e v e n u e a s a % o f T o ta l Co ns um er Pa ck ag ing 0% 20% 40% 60% 80% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 PF** $14M $117M $273M $527M Adjusted EBITDA* from Specialty Platform % o f A d ju st e d E B IT D A * Specialty EBITDA DistributionJV’s Performance Products & Solutions Specialty Applications * Adjusted EBITDA is EBITDA excluding corporate costs and special items ** 2020 Pro Forma for Clariant Masterbatch acquisition 7% 46% 87% 66% A Specialty Transformation Poised for Future Growth 0 10 20 30 40 50 60 Building & Construction 2006 2020 PF** 38% 9% E n d M a rk e t R e v e n u e a s a % o f T o ta l ���� ���� ���� ���� ���� Adjusted EPS Growth 2019PF(1) 2020PF(1) 2021F(2) $1.93 $3.00 $1.74 31% CA GR HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 74 https://www.avient.com/company/policies-and-governance/code-conduct *Avient Sustainable Solutions definitions aligned with F TC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro forma to include full year of the Clariant Masterbatch business 2016 2017 2018 2019 2020PF** Revenue from Sustainable Solutions* 2016–2020 Lightweighting Recycle Solutions VOC Reduction Human Health & Safety Reduced Energy Use Bio-polymers Eco-conscious Sustainable Infrastructure Sustainable Solutions Performance As highlighted in our Products section, Avient has a highly-technical and broad portfolio of material solutions that help our customers—and our planet— be more sustainable.

St. Clinton, Tennessee 10.Shenzhen, China 10.Assesse, Belgium 10.Dyersburg, Tennessee Jurong, Singapore (3) 11.Cergy, France 11.Pasadena, Texas 11.Diadema, Brazil 12.Tossiat, France 12.Seabrook, Texas 12.Joinville, Brazil 13.Bendorf, Germany 13.Orangeville, 13.Birmingham, AL (6) 14.Gyor, Hungary Ontario, Canada (13 manufacturing plants) 15.Kutno, Poland 14.St. Two purported class actions have been filed in the Circuit Court of St.

St. Portfolio Transformation Provides Foundation for Sustainable Long-Term Growth ���� ���� ���� ���� ���� ����� ����� ����� ����� ����� 2006 2014 2023 10.9% 5.4% 16.0% A d ju st e d E B IT D A M a rg in % Total Company Revenue 60%+ Key Growth Drivers Sustainable Solutions Overlap Composites, Healthcare, Asia/LATAM Other 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 | 2023 66Sustainability Report | 2023 66 https://www.avient.com/company/policies-and-governance-0/code-conduct *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 Revenue from Sustainable Solutions*Sustainable Solutions Performance As highlighted in our Products section, Avient has a highly technical and broad por tfolio of materials solutions that help our customers—and our planet—be more sustainable.