Kaylee Donegan, Digital Marketing Specialist, Digital Insights, Corporate Marketing EDUCATING YOUNG PROFESSIONALS ON AVIENT BENEFITS AND LIFE SKILLS 401k $ USING DIGITAL PLATFORMS TO BUILD AND GROW THE NETWORK OF YOUNG PROFESSIONALS 800+ ASSOCIATES PARTICIPATED IN HYPE EVENTS IN 2021 401k $ HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2021 30Sustainability Report | 2021 30 Workforce Demographics Diversity Leadership Diversity—CEO Direct Reports Female 36.4% Minority 27.2% Female or Minority 63.6% Diversity by Level—Female or Minority* Directors, General Managers, VP/SVP 31% Management 39% Professionals 51% Production Associates 47% All Avient Associates 47% Race & Ethnicity* American Indian or Alaskan Native 0% Asian 3% Black or African American 11% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 13% White 72% Global Associates by Age Under 30 10% 30–50 57% Over 50 33% Turnover** Total Global Turnover = 7.8% Salaried Hourly Total U.S. & Canada 12.3% 13.0% 12.6% Europe/Middle East/Africa 5.0% 4.6% 4.8% Asia 9.2% 3.5% 6.6% Latin America 5.7% 7.7% 6.5% Global 8.5% 7.0% 7.8% Salaried Hourly Total Under 30 23.0% 17.0% 20.1% 30–50 8.1% 5.4% 6.9% Over 50 6.5% 7.5% 6.9% Salaried Hourly Total Female 10.2% 9.3% 10.1% Male 7.6% 6.9% 7.2% New Hires*** New Hires as a % of Total Employee Population = 12.1% Female or Minority* Under 30 30–50 Over 50 Direct (Hourly) 56.0% 34.8% 55.1% 10.1% Indirect (Salaried) 49.7% 30.5% 59.0% 10.6% Total 54.0% 33.1% 56.6% 10.3% Employee Representation Avient respects our associates' right to join or not join any lawful organization and comply with all applicable laws pertaining to freedom of association and collective bargaining. Minority 17% White 83% Female or U.S.

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The assumptions used to determine the lump-sum value are a discount rate of 3.58% and a post-retirement mortality using the RP-2014 White Collar Mortality Table rolled back to 2006 and then projected with the Buck Modified MP-2015 Projection Scale.

Skills/Experience Ab er na th y Fe ar on Go ff Gr ee n Je lli so n Kh an dp ur Li n M in k Ni co la s Pr ee te Ve rd ui n W ul fs oh n Financial Knowledge of finance or financial reporting; experience with debt/capital market transactions and/or mergers and acquisitions l l l l l l l l International Experience doing business internationally or focused on international issues and operations and exposure to markets, economies, and cultures outside the U.S. l l l l l l l l l l l l Industry Expertise Significant experience in the Company’s businesses and industries l l l l l l l l l Regulatory Experience in government and regulatory affairs, and regulated industries, including as part of a business and/or through positions with government organizations and regulatory bodies l l l l l l l l Technology Technical or scientific knowledge and experience implementing technology strategies l l l l l Human Capital Experience in management of labor relations, in human resources, and talent management l l l l l l l l l l Operations Experience overseeing complex operations and developing and implementing operational plans and business operations strategy l l l l l l l l l l l Corporate Governance Experience and understanding of governance matters and principles, including management accountability, transparency and protection of shareholder interests l l l l l l l l l l l l IT and Cybersecurity Experience and understanding of information security, data privacy and cybersecurity l l l l Sustainability Experience in environmental matters, community affairs, and/or corporate responsibility initiatives including sustainability l l l l l l l l l l l l Other Public Company Boards 1 3 1 — — 1 2 2 — 1 2 1 PROXY SUMMARY 12 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Board Diversity Matrix (as of March 19, 2024) Total Number of Directors 12 Female Male Gender Identity Directors 3 9 Demographic Background African American or Black — 2 Alaskan Native or Native American — — Asian — 1 Hispanic or Latinx — — Native Hawaiian or Pacific Islander — — White 3 6 Two or More Races or Ethnicities — — Supplemental Characteristics Person with Disability/Disabilities 1 — Military Veteran — — Person of International / Non-U.S.

Additionally, we transformed our North Haven, Connecticut facility to white room standards, and it has become a showplace for our healthcare customers who manufacture medical tubing, catheters and other devices.

Skills/Experience Ab er na th y Fe ar on Go ff Gr ee n Je lli so n Kh an dp ur Li n M in k Ni co la s Pr ee te Ve rd ui n W ul fs oh n Financial Knowledge of finance or financial reporting; experience with debt/capital market transactions and/or mergers and acquisitions l l l l l l l l International Experience doing business internationally or focused on international issues and operations and exposure to markets, economies, and cultures outside the U.S. l l l l l l l l l l l l Industry Expertise Significant experience in the Company’s businesses and industries l l l l l l l l l Regulatory Experience in government and regulatory affairs, and regulated industries, including as part of a business and/or through positions with government organizations and regulatory bodies l l l l l l l l Technology Technical or scientific knowledge and experience implementing technology strategies l l l l l Human Capital Experience in management of labor relations, in human resources, and talent management l l l l l l l l l l Operations Experience overseeing complex operations and developing and implementing operational plans and business operations strategy l l l l l l l l l l l Corporate Governance Experience and understanding of governance matters and principles, including management accountability, transparency and protection of shareholder interests l l l l l l l l l l l l IT and Cybersecurity Experience and understanding of information security, data privacy and cybersecurity l l l l Sustainability Experience in environmental matters, community affairs, and/or corporate responsibility initiatives including sustainability l l l l l l l l l l l l Other Public Company Boards 1 3 1 — — 1 2 2 — 1 2 1 PROXY SUMMARY 12 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Board Diversity Matrix (as of March 19, 2024) Total Number of Directors 12 Female Male Gender Identity Directors 3 9 Demographic Background African American or Black — 2 Alaskan Native or Native American — — Asian — 1 Hispanic or Latinx — — Native Hawaiian or Pacific Islander — — White 3 6 Two or More Races or Ethnicities — — Supplemental Characteristics Person with Disability/Disabilities 1 — Military Veteran — — Person of International / Non-U.S.

Skills/Experience Ab er na th y Fe ar on Go ff Gr ee n Je lli so n Li n M in k Ni co la s Pa tt er so n Pr ee te Ve rd ui n W ul fs oh n Financial Knowledge of finance or financial reporting; experience with debt/capital market transactions and/or mergers and acquisitions l l l l l l l l l International Experience doing business internationally or focused on international issues and operations and exposure to markets, economies, and cultures outside the U.S. l l l l l l l l l l l l Industry Expertise Significant experience in the Company’s businesses and industries l l l l l l l l l Regulatory Experience in government and regulatory affairs, and regulated industries, including as part of a business and/or through positions with government organizations and regulatory bodies l l l l l l l Technology Technical or scientific knowledge and experience implementing technology strategies l l l l Human Capital Experience in management of labor relations, in human resources, and talent management l l l l l l l l l l Operations Experience overseeing complex operations and developing and implementing operational plans and business operations strategy l l l l l l l l l l l Corporate Governance Experience and understanding of governance matters and principles, including management accountability, transparency and protection of shareholder interests l l l l l l l l l l l l IT and Cybersecurity Experience and understanding of information security, data privacy and cybersecurity l l l l Sustainability Experience in environmental matters, community affairs, and/or corporate responsibility initiatives including sustainability l l l l l l l l l l l l Other Public Company Boards 1 3 1 — — 2 2 — 1 2 — 1 PROXY SUMMARY 12 PROXY STATEMENT 2023 | Annual Meeting of Shareholders Board Diversity Matrix (as of March 14, 2023) Total Number of Directors 12 Female Male Non-Binary Gender Identity Directors 3 9 — Demographic Background African American or Black — 2 — Alaskan Native or Native American — — — Asian — — — Hispanic or Latinx — — — Native Hawaiian or Pacific Islander — — — White 3 7 — Two or More Races or Ethnicities — — — Supplemental Characteristics Person with Disability/Disabilities 1 — — Military Veteran — — — Person of International / Non-U.S.