Skills/Experience Ab er na th y Fe ar on Go ff Gr ee n Je lli so n Li n M in k N ic ol as Pa tt er so n Pr ee te Ve rd ui n W ul fs oh n Financial          International             Industry Expertise          Regulatory        Technology     Human Capital           Operations            Corporate Governance          IT and Cybersecurity      Sustainability             Background Gender Male Male Male Male Male Female Female Male Male Male Female Male Race/Ethnicity White White White Black White White White Black White White White White Other Public Company Boards 1 3 1 — — 2 2 — 1 2 — 1 PROXY SUMMARY PROXY STATEMENT 2022 | Annual Meeting of Shareholders 13 GOVERNANCE HIGHLIGHTS As part of our commitment to overall excellence, our Companyʼs governance practices include the following: Director Independence • Strong commitment to Director independence: Eleven out of our twelve Director nominees are independent. • The independent Directors regularly hold executive sessions, led by the independent Lead Director.

Black, blue and clear are popular options, but there is almost no limitation on color when it comes to using TPEs.

Black, blue and clear are popular options, but there is almost no limitation on color when it comes to using TPEs.

High levels of regrind are better tolerated in black materials.

Our key development opportunities include nomination-based leadership programs (such as NextGen, Emerging Leaders and Elevate), foundational leadership training for all current or aspiring people managers, called Core Leadership, and LSS training at a variety of levels, where individuals can be certified for job-specific LSS programs, up through Master Black Belt certification. 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.

High levels of regrind are better tolerated in black materials.

Newlin serves on the Board of Directors of Black Hills Corporation, Oshkosh Corporation and Univar Corporation. Six Sigma Master Black Belt, General Electric Company Plastics Business, March 2001 to December 2002.

Our key development opportunities include nomination-based leadership programs (such as NextGen, Emerging Leaders and Elevate), foundational leadership training for all current or aspiring people managers, called Core Leadership, and LSS training at a variety of levels, where individuals can be certified for job-specific LSS programs, up through Master Black Belt certification. 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.

Further, we believe his experien ece as a Chief Executive Offiff cer of publicly-traded special yty companies has given him unique skills to assist in providi gng guidance on PolyOne’s continuing transformation.

Minority(1) Directors, General Managers, VP/SVP 29% Management 41% Professionals 54% Production Employees 56% All Avient Employees 51% Race & Ethnicity(1) American Indian or Alaskan Native 0% Asian 4% Black or African American 18% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 13% White 64% Global Employees by Age Under 30 11% 30–50 58% Over 50 31% Global Gender Diversity by Level—Female Directors, General Managers, VP/SVP 17% Management 29% Professionals 41% Production Employees 9% All Avient Employees 23% Turnover(2) Total Global Turnover = 8.3% > 1 Year of Service Direct (Hourly & Production) 8.4% Indirect (Professional) 8.2% Total 8.3% New Hires(3) New Hires as a % of Total Employee Population = 9.0% Female and/or U.S.