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O’BRYON Vice President, Treasurer VINCENT W. O’BRYON Vice President, Treasurer VINCENT W.

Type of engagement Information collection (understanding supplier behavior) Details of engagement Collect climate change and carbon information at least annually from suppliers % of suppliers by number 22 % total procurement spend (direct and indirect) 52 % of supplier-related Scope 3 emissions as reported in C6.5 Rationale for the coverage of your engagement Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 110 Beginning in 2020, Avient has partnered with EcoVadis assess the CSR position of its suppliers.

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