Our proven ability to innovate materials that enable our Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 24 customers’ sustainability goals remains a differentiator for Avient.

Additionally, we collaborate with industry alliances and consortiums to Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 24 identify solutions for advancing a circular economy that reduces the carbon footprint of plastics.

ADVISORY VOTE PROXY STATEMENT 2025 | Annual Meeting of Shareholders 24 PROPOSAL 3—Ratification of the Appointment of Ernst & Young LLP ("EY") as Our Independent Registered Public Accountant The Audit Committee has appointed EY as our independent registered public accounting firm to audit our consolidated financial statements for the fiscal year ending December 31, 2025.

Continuous fiber reinforced thermoplastic composite tape is slit to custom widths from 2" to 24"

Further, if at least a majority of themembers of the Incumbent Board determines in good faiff th that a person has acquired beneficff ial ownership of 25% or more of the Outstanding Company Voting Securities inadvertently, and such person divests as promptly as practicable a suffiff cient number of shares so that such person beneficff ially owns less than 25% of the Outstanding Company Voting Securities, then no Change of Control will have occurred as a result of such person’s acquisition; • Individuals who, as of May 11, 2017, constitute the Board (the “Incumbent Board”) cease for any reason to constitute at least a majority of the Board, unless their replacements are approved as described in the 2017 Plan (subject to certain exceptions); • The Company closes a reorganization, merger, consolidation, sale, or other disposition of all or substantially all of the assets of the Company or the acquisition of assets of another corporation or other transaction (“Business Combination”) excluding, however, such a Business Combination pursuant to which (A) the individuals and entities who were the beneficial owners of the Outstanding Company Voting Securities immediately prior to such Business Combination beneficff ially own, directly or indirectly, more than 60% of, respectively, the then outstanding Common Shares and the combined voting power of the then outstanding voting securities entitled to vote generally in the election of directors, as the case may be, of the entity resulting froff m such Business Combination (including, without limitation, an entity that as a result of such transaction owns the Company or all or substantially all of the Company’s assets either directly or through one or more subsidiaries), (B) no person (excluding any employee benefit plan (or related trust) of the Company, the Company or such entity resulting froff m such Business Combination) beneficially owns, directly, or indirectly, 25% or more of the combined voting power of the then outstanding securities entitled to vote generally in the election of directors of the entity resulting froff m such Business Combination and (C) at least a majority of the members of the board of directors of the corporation resulting from such Business Combination were members of the Incumbent 24 Board at the time of the execution of the initial agreement, or of the action of the Board, providing for such Business Combination; or • Approval by the shareholders of the Company of a complete liquidation or dissolution of the Company except pursuant to a Business Combination that complies with clauses (A), (B) and (C) of the third bullet above.