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Our key development opportunities include nomination-based leadership programs (such as NextGen, Engage and Elevate), foundational leadership training for all current or aspiring people managers (called Core Leadership), and Lean Six Sigma training at a variety of levels, where individuals can be certified for job-specific Lean Six Sigma programs, up through Master Black Belt certification. 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 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 — — 2 2 — 1 2 — 1 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.

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.

$0 $50 $100 $150 $200 $250 $300 $350 12/31/10 12/31/11 12/31/12 12/31/13 12/31/14 12/31/15 Comparison of Cumulative Total Return to Shareholders PolyOne Corporation S&P 500 Index S&P Mid Cap Chemicals POL 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% om pe ns at io n ile 2014 - 2015 TSR Performance %ile Peer Group Pay vs.

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 Lean Six Sigma training at a variety of levels, where individuals can be certified for job-specific Lean Six Sigma programs, up through Master Black Belt certification.

No longer do you need to compromise and receive only black parts to obtain structural performance.

Six Sigma Master Black Belt, General Electric Company Plastics Business from March 2001 to December 2002.

Six Sigma Master Black Belt, General Electric Company Plastics Business from March 2001 to December 2002.

Comparison of Cumulative Total Return to Shareholders PolyOne Corporation S&P 500 Index S&P Mid Cap Chemicals POL 0% 50% 75% 100% 0% 25% 50% 75% 100% Co m pe ns at io n ile 2014 - 2016 TSR Performance %ile Peer Group Pay vs.