Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

Some milled glass is made from manufacturing byproducts, which makes it eco-friendlier.

a technology company with a product and services portfolio of personal systems, printers, and 3D printing solutions, since 2022. Wulfsohn 76 PROXY STATEMENT 2023 | Annual Meeting of Shareholders MISCELLANEOUS PROVISIONS INTERNET AVAILABILITY OF PROXY MATERIALS In accordance with rules and regulations adopted by the Securities and Exchange Commission, we may furnish proxy materials by providing internet access to those documents, instead of mailing a printed copy of our proxy materials to each shareholder. For business to be properly requested by a shareholder to be brought before the 2025 Annual Meeting, in addition to complying with the timeliness requirements set forth above, the shareholder must comply with all of the requirements of Regulation 8(c) or Regulation 12(b), as applicable, including, without limitation, with respect to the nomination of a director, a statement whether such shareholder intends to solicit the holders of shares representing at least 67% of the voting power of the Company's shares entitled to vote on the election of directors in support of director nominees other than Avient's nominees. 78 PROXY STATEMENT 2023 | Annual Meeting of Shareholders PROXY SOLICITATION Avient is making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.

HP"), a technology company with a product and services portfolio of personal systems, printers, and 3D printing solutions, since 2024. Wulfsohn PROXY STATEMENT 2025 | Annual Meeting of Shareholders 76 Miscellaneous Provisions Internet Availability of Proxy Materials In accordance with rules and regulations adopted by the Securities and Exchange Commission, we may furnish proxy materials by providing internet access to those documents, instead of mailing a printed copy of our proxy materials to each shareholder. PROXY STATEMENT 2025 | Annual Meeting of Shareholders 78 Proxy Solicitation Avient is making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.

a technology company with a product and services portfolio of personal systems, printers, and 3D printing solutions, since 2022. Wulfsohn 76 PROXY STATEMENT 2023 | Annual Meeting of Shareholders MISCELLANEOUS PROVISIONS INTERNET AVAILABILITY OF PROXY MATERIALS In accordance with rules and regulations adopted by the Securities and Exchange Commission, we may furnish proxy materials by providing internet access to those documents, instead of mailing a printed copy of our proxy materials to each shareholder. For business to be properly requested by a shareholder to be brought before the 2025 Annual Meeting, in addition to complying with the timeliness requirements set forth above, the shareholder must comply with all of the requirements of Regulation 8(c) or Regulation 12(b), as applicable, including, without limitation, with respect to the nomination of a director, a statement whether such shareholder intends to solicit the holders of shares representing at least 67% of the voting power of the Company's shares entitled to vote on the election of directors in support of director nominees other than Avient's nominees. 78 PROXY STATEMENT 2023 | Annual Meeting of Shareholders PROXY SOLICITATION Avient is making this proxy solicitation and will bear the expense of preparing, printing and mailing this notice and proxy statement.