EXHIBIT AND FINANCIAL STATEMENT SCHEDULES (a)(1) Financial Statements: The following consolidated financial statements of Avient Corporation are included in Item 8: Consolidated Statements of Income for the years ended December 31, 2023, 2022 and 2021 Consolidated Statements of Comprehensive Income for the years ended December 31, 2023, 2022 and 2021 Consolidated Balance Sheets at December 31, 2023 and 2022 Consolidated Statements of Cash Flows for the years ended December 31, 2023, 2022 and 2021 Consolidated Statements of Shareholders’ Equity for the years ended December 31, 2023, 2022 and 2021 Notes to Consolidated Financial Statements All other schedules for which provision is made in Regulation S-X of the SEC are not required under the related instructions or are inapplicable and, therefore, have been omitted.

EXHIBITS AND FINANCIAL STATEMENT SCHEDULES (a)(1) Financial Statements: The following consolidated financial statements of PolyOne Corporation are included in Item 8: Consolidated Statements of Income for the years ended December 31, 2014, 2013 and 2012 Consolidated Statements of Comprehensive Income for the years ended December 31, 2014, 2013 and 2012 Consolidated Balance Sheets at December 31, 2014 and 2013 Consolidated Statements of Cash Flows for the years ended December 31, 2014, 2013 and 2012 Consolidated Statements of Shareholders’ Equity for the years ended December 31, 2014, 2013 and 2012 Notes to Consolidated Financial Statements All other schedules for which provision is made in Regulation S-X of the SEC are not required under the related instructions or are inapplicable and, therefore, have been omitted.

EXHIBITS AND FINANACIAL STATEMENT SCHEDULES (a)(1) Financial Statements: The following consolidated financial statements of PolyOne Corporation are included in Item 8: Consolidated Statements of Income (Loss) for the years ended December 31, 2018, 2017 and 2016 Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2018, 2017 and 2016 Consolidated Balance Sheets at December 31, 2018 and 2017 Consolidated Statements of Cash Flows for the years ended December 31, 2018, 2017 and 2016 Consolidated Statements of Shareholders’ Equity for the years ended December 31, 2018, 2017 and 2016 Notes to Consolidated Financial Statements All other schedules for which provision is made in Regulation S-X of the SEC are not required under the related instructions or are inapplicable and, therefore, have been omitted.

EXHIBITS AND FINANACIAL STATEMENT SCHEDULES (a)(1) Financial Statements: The following consolidated financial statements of PolyOne Corporation are included in Item 8: Consolidated Statements of Income for the years ended December 31, 2013, 2012 and 2011 Consolidated Statements of Comprehensive Income for the years ended December 31, 2013, 2012 and 2011 Consolidated Balance Sheets at December 31, 2013 and 2012 Consolidated Statements of Cash Flows for the years ended December 31, 2013, 2012 and 2011 Consolidated Statements of Shareholders’ Equity for the years ended December 31, 2013, 2012 and 2011 Notes to Consolidated Financial Statements All other schedules for which provision is made in Regulation S-X of the SEC are not required under the related instructions or are inapplicable and, therefore, have been omitted.