Associates Trained in LSS (Cumulative) 2011 2013 2015 2017 2019 2021 LSS Projects Completed (Cumulative) 2011 2013 2015 2017 2019 2021 434 996 1,854 2,718 3,161 4,172 323 1,176 2,999 4,544 6,813 7,423 Customer Centric Selling CCS is at the core of how we serve our customers and collaborate with them to solve their most pressing challenges. CCS training is provided to every member of the Avient salesforce beginning in their onboarding process and continues thereafter throughout their careers. In addition, other customer-facing associates also benefit from CCS engagement.

Our Board maintains Audit ("AC"), Compensation ("CC"), Governance and Corporate Responsibility ("G&CRC"), and Environmental, Health and Safety ("EH&SC") committees. PROXY SUMMARY 10 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E.

Our Board maintains Audit ("AC"), Compensation ("CC"), Governance and Corporate Responsibility ("G&CRC"), and Environmental, Health and Safety ("EH&SC") committees. PROXY SUMMARY 10 PROXY STATEMENT 2024 | Annual Meeting of Shareholders Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E.

PROXY SUMMARY 12 PROXY STATEMENT 2022 | Annual Meeting of Shareholders Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E.

Name Age Director Since Independent Committee Membership (M=Member, C=Chair) AC CC G&CRC EH&SC Robert E. cc) “Restricted Stock Unit” means an award made pursuant to Section 7 or Section 9 of this Plan of the right to receive Common Shares, cash or a combination thereof at the end of a specified period.

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cc) “Restricted Stock” means Common Shares granted or sold pursuant to Section 6 or Section 9 of this Plan as to which neither the substantial risk of forfeiture nor the prohibition on transfers has expired.