Reviewing the procedures associated with responsible and ethical sourcing This includes: • Ensuring quality and timeframe of sustainability and other corporate disclosures contained in financial and other reports (e.g., Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 7 environmental) • Reviewing the Company’s cyber and data privacy programs • Reviewing and discussing with management and the internal and independent auditors’ compliance with the Company’s Code of Business Conduct and Ethics; reviewing and discussing with management, the general counsel and the independent auditor the Company’s compliance with laws and regulations; advising the Board with respect to the Company’s policies and procedures regarding compliance with the Company’s Code of Business Conduct and Ethics.

These activities have created unified procedures globally across the organization, while maintaining necessary business flexibility for the different businesses that comprise Avient's commercial portfolio of specialty polymer products. Within Operations, this includes Operating Procedures, Safety Procedures, and the Responsible Care Codes. 2.5.1.3) Value chain stage Select all that apply ☑ Direct operations (2.5.1.4) Actions and procedures to minimize adverse impacts Select all that apply ☑ No formal procedure(s) in place (2.5.1.5) Please explain Sites are required to adhere to Avient's Spill Prevention and Water Protection standard, which outlines commitment, responsibilities, and approaches to minimize water pollutants that can cause harm to the environment or human health [Add row] 23 C3.

Reviewing the procedures associated with responsible and ethical sourcing This includes: • Ensuring quality and timeframe of sustainability and other corporate disclosures contained in financial and other reports (e.g., environmental) • Reviewing the Company’s cyber and data privacy programs and providing risk oversight related to cyber-security and data protection • Reviewing and discussing with management and the internal and independent auditors’ compliance with the Company’s Code of Business Conduct and Ethics; reviewing and discussing with management, the general counsel and the independent auditor the Company’s compliance with laws and regulations; advising the Board with respect to the Company’s policies and procedures regarding compliance with the Company’s Code of Business Conduct and Ethics.