ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office. STAN-TONE DB-15597 HI LITE BLUE ASIA/PACIFIC: SDS for the Asia Pacific region can be obtained by contacting the appropriate regional office.

Nicolas’ experience in managing manufacturing in the Asia Pacific region can assist Avient with our manufacturing plans in that region. His background in managing operations in Europe and Asia/Pacific provides him with international expertise that is of value to Avient. PROXY STATEMENT 2023 | Annual Meeting of Shareholders 87 Principal Executive Officer Principal Executive Officer Average Non-Principal Executive Officer Average Non-Principal Executive Officer Net Income Company TSR Peer Group TSR Principal Executive Officer Average Non-Principal Executive Officer Adjusted EPS Net Income versus Compensation Actually Paid • Net Income (as shown in the table and as the blue line in the graph above) includes the income from discontinued operations, which is comprised of a $550 million gain on the sale of our Distribution business in 2022.

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 IT and Cybersecurity Experience and understanding of information security, data privacy and cybersecurity l l l l Experience in environmental matters, community affairs, and/or corporate responsibility initiatives including sustainability Other Public Company Boards 1 3 1 — — 1 2 2 — 1 2 1 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. Nicolas’ experience in managing manufacturing in the Asia Pacific region can assist Avient with our manufacturing plans in that region. His background in managing operations in Europe and Asia/Pacific provides him with international expertise that is of value to Avient.