We are driven by our four pillar strategy of Specialization, Globalization, Commercial Excellence and Operational Excellence. Our core values of Collaboration, Innovation and Excellence, and our personal values of Integrity, Honesty and Respect, are critical to our culture and underpin all that we do. Origin — 1 LGBTQ+ — — PROXY SUMMARY PROXY STATEMENT 2024 | Annual Meeting of Shareholders 13 GOVERNANCE HIGHLIGHTS As part of our commitment to overall excellence, our Company’s 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 without management at Board and committee meetings.

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This accomplishment was the result of our aggressive goal setting and relentless efforts to execute our proven fouff r-pillar strategy of specialization, globalization, commercial excellence and operational excellence. We set aggressive performance goals in 2016 under the 2016 Annual Incentive Program that focused our effoff rts on those facff tors that we believed were critical to our ongoing success, including revenue growth, earnings improvement, cash generation from working capital, effiff ciencies in our operations and the continued implementation of our overall four pillar strategy of globalization, specialization, commercial excellence and operational excellence.

We are driven by our four pillar strategy of Specialization, Globalization, Commercial Excellence and Operational Excellence. Our core values of Collaboration, Innovation and Excellence, and our personal values of Integrity, Honesty and Respect, are critical to our culture and underpin all that we do. Origin — 1 LGBTQ+ — — PROXY SUMMARY PROXY STATEMENT 2024 | Annual Meeting of Shareholders 13 GOVERNANCE HIGHLIGHTS As part of our commitment to overall excellence, our Company’s 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 without management at Board and committee meetings.

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Our strategy utilizes four supporting strategic drivers: Portfolio Prioritization; Amplify Innovation; Digital for Operational Excellence and Growth; and Leadership, Talent and Culture for the Avient of the Future. Skills/Experience A be rn at hy Fe ar o n G o ff G re en Je lli so n K ha nd pu r Li n M in k N ic o la s P re et e V er du in W ul fs o hn 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 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 — — 2 1 2 2 — 1 2 1 OUR PURPOSE AND STRATEGIC FRAMEWORK PROXY STATEMENT 2025 | Annual Meeting of Shareholders 7 Governance Highlights As part of our commitment to overall excellence, our Company’s governance practices include the following: Director Independence • Eleven out of our twelve Director nominees are independent. • The independent Directors regularly hold executive sessions without management at Board and committee meetings.

The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence. Through collaboration, innovation and excellence, our product portfolio is designed to ensure our customer’s success. With excellent chemical resistance, low moisture uptake, high dimensional stability, and superior impact and wear resistance, these formulations are ideal for demanding applications in industrial, electrical/electronics, and transportation sectors.

We are driven by our four pillar strategy of Specialization, Globalization, Commercial Excellence and Operational Excellence. Our core values of Collaboration, Innovation and Excellence, and our personal values of Integrity, Honesty and Respect, are critical to our culture and underpin all that we do. Origin — — — LGBTQ+ — — — PROXY SUMMARY PROXY STATEMENT 2023 | Annual Meeting of Shareholders 13 GOVERNANCE HIGHLIGHTS As part of our commitment to overall excellence, our Company’s 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.