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.

Sustainable Development (as defined by the World Commission on Environment and Development, 1987) 66672.indd main_1 3/25/19 4:00 PM 2 PEOPLE PolyOne Global 5K Fun Run and Walk in Bangkok, Thailand. 66672.indd main_2 3/25/19 4:00 PM 3 79% manufacturing sites INJURY FREE .51 INJURY RATE 50% REDUCTION in lacerations36% REDUCTION in acquisit ion injury rate 19 % FE W ER IN JU RI ES 62%REDUCTIONin injury severity 66%IN CREA SE in consecutive days injury free As an ACC Responsible Care® company, our “safety fi rst” culture was built not through words, but through dedication, continuous improvement and action.