Many original equipment manufacturers and plastic injection molding companies in the packaging industry are prioritizing the replacement of ABS. This decision is primarily influenced by recent regulatory requirements such as California’s Proposition 65, which includes the monomers acrylonitrile, butadiene, and styrene, and a recent French law prohibiting styrenic materials in packaging. Company Officers

You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. Our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act are available, free of charge, on our website (www.polyone.com, select Investors and then SEC Edgar filings) or upon written request, as soon as reasonably practicable after we electronically file or furnish them to the SEC. Exhibit Description 10.12+ Amended and Restated Benefit Restoration Plan (Section 401(a)(17)) (incorporated by reference to Exhibit 10.8 of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2007, SEC File No. 1-16091) 10.13+ Strategic Improvement Incentive Plan (incorporated by reference to Exhibit 10.9b to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2001, SEC File No. 1-16091) 10.14+ 2005 Equity and Performance Incentive Plan (amended and restated by the Board as of July 21, 2005) (incorporated by reference to Exhibit 10.4 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2005, SEC File No. 1-16091) 10.15+ Amended and Restated Deferred Compensation Plan for Non-Employee Directors (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2010, SEC File No. 1-16091) 10.16+ Form of Management Continuity Agreement (incorporated by reference to Exhibit 10.13 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2007, SEC File No. 1-16091) 10.17+ Schedule of Executives with Management Continuity Agreements 10.18+ Amended and Restated PolyOne Supplemental Retirement Benefit Plan (incorporated by reference to Exhibit 10.15 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2007, SEC File No. 1-16091) 10.19+ Amended and Restated Letter Agreement, dated as of July 16, 2008, between the Company and Stephen D.

MM-83265 QS FRENCH GRAY NPT-37-0861 MM-83379D SS FRENCH GRAY NPT-37-0912 MM-84008D FRENCH GRAY

MM-84578D QS FRENCH GRAY NPT-37-0862 MM-85252D FRENCH MOONLIGHT MM-85459D KK FRENCH GRAY

General Purposes The general purposes of the Committee are to: • Develop the Company’s overall executive compensation philosophy and objectives; • Discharge the Board’s responsibilities relating to compensation of the Company’s executive officers and, further, to assist the Board in the discharge of its fiduciary responsibilities with regard to establishment of policies governing, and the implementation of, all aspects of remuneration throughout the Company, including benefits and perquisites of executive officers of the Company and any other employees designated by the Committee as key employees of the Company and its subsidiaries; • Discharge similar responsibilities with respect to the remuneration of non-employee directors; • Review and discuss with management the Company’s disclosures in the Compensation Discussion and Analysis (the “CD&A”) required by rules and regulations of the Securities and Exchange Commission (the “SEC”) and recommend to the Board whether the CD&A should be included in the Company’s proxy statement or other applicable SEC filings; • Prepare a Compensation Committee Report for inclusion in the Company’s applicable filings with the SEC that complies with the rules and regulations of the SEC; and • Provide policy guidance and oversight on significant human resource policies and practices. Oversee Regulatory Compliance; Governance. • Review and assess risks arising from the Company’s compensation policies and practices for its executive officers and employees, and whether any such risks are reasonably likely to have a material adverse effect on the Company. • In consultation with appropriate officers of the Company, oversee regulatory compliance with respect to compensation matters, including with respect to applicable tax laws. • Review and recommend to the Board for approval the frequency with which the Company will conduct Say on Pay Votes, taking into account the results of the most recent shareholder advisory vote on the frequency of Say on Pay Votes required by Section 14A of the Exchange Act, and review and approve the proposals regarding the Say on Pay Vote and the frequency of the Say on Pay Vote to be included in the Company's proxy statement. Review and Discuss the CD&A and Compensation Committee Report. • With the assistance of management and any outside advisers the Committee deems appropriate (a) review and discuss with management the Company’s disclosures in the CD&A, and, based on this review, make a recommendation as to whether to include it in the Company’s annual report on Form 10-K and proxy statement relating to the Company’s annual meeting of shareholders, and (b) prepare a Compensation Committee Report for inclusion in the Company’s proxy statement or other applicable SEC filings. 4 Board Reports and Annual Evaluation. • Regularly report the Committee’s activities and any recommendations to the Board in such manner and at such times as the Committee or the Board deems appropriate. • Conduct an annual evaluation of the Committee’s performance.

You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. Our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act are available, free of charge, on our website (www.polyone.com, select Investors and then SEC Edgar filings) or upon written request, as soon as reasonably practicable after we electronically file or furnish them to the SEC. Bank Trust National Association, as collateral trustee (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K filed on June 8, 2006, SEC File No. 1-16091) 10.21 Assumption of Liabilities and Indemnification Agreement, dated March 1, 1993, amended and restated by Amended and Restated Assumption of Liabilities and Indemnification Agreement, dated April 27, 1993 (incorporated by reference to Exhibit 10.14 to The Geon Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 1996, SEC File No. 1-11804) 10.22 Unconditional and Continuing Guaranty, between the Company and Olin Corporation and Sunbelt Chlor Alkali Partnership (incorporated by reference to Exhibit 10(c) to The Geon Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 1996, SEC File No. 1-11804) 10.23 Asset Contribution Agreement — PVC Partnership (Geon) (incorporated by reference to Exhibit 10.3 to The Geon Company’s Current Report on Form 8-K filed on May 13, 1999, SEC File No. 1-11804) 10.24+ Form of Award Agreement for Stock-Settled Stock Appreciation Rights (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2007, SEC File No. 1-16091) 10.25 Sale and Agreement, by and among PolyOne Corporation, Occidental Chemical Corporation, and their representative affiliates party thereto, dated as of July 6, 2007 (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2007, SEC File No. 1-16091) 10.26+ PolyOne Corporation 2008 Equity and Performance Incentive Plan (incorporated herein by reference to Appendix A to the Registrant’s proxy statement on Schedule 14A (SEC File No. 1-16091), filed on March 25, 2008). 10.27+ Form of Award Agreement for Restricted Stock Units (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2008, SEC File No. 1-16091) 10.28+ Form of Award Agreement for Stock-Settled Stock Appreciation Rights (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2008, SEC File No. 1-16091) 10.29+ First Amendment to The Geon Company Section 401(a)(17) Benefit Restoration Plan (December 31, 2007 Restatement) (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2009, SEC File No. 1-16091) POLYONE CORPORATION Exhibit No.

Reporting & SEC Filings Avient Company Officers

General Purposes The general purposes of the Committee are to: • Oversee the Company’s overall executive compensation philosophy and objectives; • Discharge the Board’s responsibilities relating to compensation of the Company’s executive officers (for purposes of this Charter, “executive officers” means the Company’s Section 16 “officers” as defined under Rule 16a-1(f) under the Securities Exchange Act of 1934, as amended); • Assist the Board in the discharge of its fiduciary responsibilities with regard to establishment of policies governing, and the implementation of, all aspects of executive officer compensation throughout the Company, including benefits and perquisites, and compensation for any other employees designated by the Committee for such purposes; • Discharge similar responsibilities with respect to the compensation of non-employee directors; • Review and discuss with management the Company’s disclosures in the Compensation Discussion and Analysis (the “CD&A”) required by rules and regulations of the Securities and Exchange Commission (the “SEC”) and recommend to the Board whether the CD&A should be included in the Company’s proxy statement or other applicable SEC filings; • Prepare a Compensation Committee Report for inclusion in the Company’s applicable filings with the SEC that complies with the rules and regulations of the SEC; and • Provide policy guidance and oversight on significant human resource policies and practices. 2 Duties and Responsibilities The Committee will: Executive Compensation and Incentives. • Oversee and maintain a competitive executive officer compensation program in order to attract and retain qualified executives and to provide incentives to executive officers that reward pay for performance in attaining the Company’s goals and objectives. • Review and approve a peer group of companies to be used for marketplace trend analysis and to assess the competitiveness of the Company’s total compensation opportunities for executive officers. • Review and approve corporate goals and objectives relevant to the Chief Executive Officer’s compensation; in conjunction with the evaluation conducted by the Board as described in the Company’s Corporate Governance Guidelines, evaluate the Chief Executive Officer’s performance in light of these goals and objectives; and determine and approve (or determine and approve, and recommend to the independent members of the Board for their determination and approval) the Chief Executive Officer’s compensation level based on this evaluation and comparable market data provided by an independent compensation consultant. • In determining the long-term incentive component of the Chief Executive Officer’s compensation, consider the Company’s performance and relative shareholder return, the value of similar incentive awards to chief executive officers at comparable companies, and the awards given to the Chief Executive Officer in the past. • Review and approve the compensation of other executive officers of the Company, including benefits and perquisites, taking into consideration the Company’s performance, comparable market data, the performance of each executive officer, and such other factors as may, in the Committee’s discretion, be appropriate. • In evaluating and making recommendations regarding, or determining and approving, executive compensation, the Committee shall consider the results of the most recent shareholder advisory vote on executive compensation (“Say on Pay Vote”) required by Section 14A of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). • With respect to incentive compensation plans and equity-based plans: • Make recommendations to the Board with respect to the approval of incentive compensation plans for executive officers and all equity-based plans. • Review and approve equity-based grants and awards, including long-term incentive plan awards, to officers, senior managers, key employees, and other employees of the Company and its subsidiaries under the Company’s equity-based plans. • Review and approve the performance criteria, target awards, payout criteria and like items for the Company’s long-term incentive compensation plans. • Review and approve (a) attainment levels for executive officers under the Company’s annual incentive plan; (b) payments to executive officers under the annual incentive plan; and (c) payments to executive officers under the Company’s long-term incentive compensation plans. • Administer the Company’s equity-based incentive compensation plans and other plans 3 adopted by the Board that contemplate administration by the Committee. • Review and approve special bonuses and/or other awards to executive officers on a case-by- case basis for outstanding performance. • Review and approve the terms of all employment agreements, management continuity agreements and change in control agreements for elected officers. Oversee Regulatory Compliance. • Review and assess risks arising from the Company’s compensation policies and practices for its executive officers and employees, and whether any such risks are reasonably likely to have a material adverse effect on the Company. • In consultation with appropriate officers of the Company, oversee (or provide for the oversight of) regulatory compliance with respect to compensation matters, including with respect to applicable tax laws. • Review and recommend to the Board for approval the frequency with which the Company will conduct Say on Pay Votes, taking into account the results of the most recent shareholder advisory vote on the frequency of Say on Pay Votes required by Section 14A of the Exchange Act, and review and approve the proposals regarding the Say on Pay Vote and the frequency of the Say on Pay Vote to be included in the Company's proxy statement. Review and Discuss the CD&A; Compensation Committee Report. • With the assistance of management and any outside advisers the Committee deems appropriate (a) review and discuss with management the Company’s disclosures in the CD&A, and, based on this review, make a recommendation as to whether to include it in the Company’s annual report on Form 10-K and proxy statement relating to the Company’s 4 annual meeting of shareholders, and (b) prepare a Compensation Committee Report for inclusion in the Company’s proxy statement or other applicable SEC filings.

Hanna Company (Hanna). The Company’s reporting units are at a level below the Company’s reportable operating segments. Bank National Association), as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K, filed on May 15, 2020, SEC File No. 1-16091) 4.2 Indenture, dated August 10, 2022, between Avient Corporation and U.S.

Equiniti Trust Company 1110 Center Point Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-800-401-1957 www.shareowneronline.com Reporting & SEC Filings Avient Company Officers