Revised: December 20, 2024 AVIENT CORPORATION Securities Trading Policy 1. General Policy: The Board of Directors of Avient Corporation (the “Company”) has determined, consistent with the Company’s Code of Conduct, that it is the Company’s policy to comply with all applicable federal and state securities laws, including those relating to buying or selling securities of the Company. In the course of conducting the Company’s business, employees or representatives of the Company or any of its affiliates may become aware of material, non-public information regarding the Company, its subsidiaries and divisions, or other companies with which we do business (this so-called “Inside Information” is defined in Section 3 below).

Business Number: 898451794 Mailing Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Facility Name: Orangeville Compound NAICS Code: 326198 NPRI ID: 4358 Physical Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Latitude: 43.91230 Longitude: ­80.11300 Number or Permit Number: ON9820023 Ontario MOE ­ Hazardous Waste Generator Number Number or Permit Number: 0778­6DZLMV Certificate of Approval Air Number or Permit Number: 5626­5DFQF2 Certificate of Approval Industrial Sewage Works Contact Type Technical Contact, Company Coordinator Name: Brian Greer about:/V003/Html http://www.canada.gc.ca/home.html http://www.servicecanada.gc.ca/eng/home.shtml http://www.canada.gc.ca/aboutgov-ausujetgouv/depts/menu-eng.html https://ec.ss.ec.gc.ca/auth/en/Services about:/V003/Logout_Deconnexion http://ec.gc.ca/default.asp?

Avient can help in both these critical areas. Through compliance with these standards, the risk of fire can be minimized in case of failure in the conductive part. Once a specific resin has been identified for your needs, you can check in the table whether Avient has already concentrates listed for the corresponding supplier and under which conditions of use (minimum thickness, exact rating and maximum let-down ratio).

Because this supplier fabricates with both metal and plastic in its operations, the team decided to find out if converting metal parts to plastic would be an option.

If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. The arbitration will be conducted by 3 (three) arbitrators in accordance with the applicable rules of BANI ("BANI Rules") applicable at the time of dispute. The proceedings shall be conducted in the English language.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. For the same reasons, Avient is unable to address the probable significance of the unavailable information.

The 2015 average injury incidence rate for our NAICS Code (326 Plastics and Rubber Products Manufacturing) was 4.3. We depend on integrated information systems to conduct our business. PolyOne’s code of ethics is posted under the Investor Relations tab of its website at www.polyone.com.

At Avient, we are proud to be a part of the solution, supporting the shift from a linear economy to a circular economy and driving sustainability for all of our stakeholders. https://www.recyclingtoday.com/article/recycled-plastic-additives/ Material Solutions for rPET Material suppliers are working on the issues we’ve raised in this eBook. For our part, Avient offers several solutions that enhance rPET recycling and address the challenges at every stage of the process.

Independent Registered Public Accountant Services and Related Fee Arrangements Report of the Audit Committee The Audit Committee of the Board of Directors CORPORATE GOVERNANCE Director Independence Lead Director Board Leadership Structure Board’s Oversight of Risk Code of Ethics, Code of Conduct and Corporate Governance Guidelines Related Person Transactions Communication with Board Board and Committees Board Attendance Board Committees AAudit Committee – Primary Responsibilities and Requirements NUMBER OF MEETINGS IN 2019: 8 MEMBERS: Compensation Committee – Primary Responsibilities and Requirements NUMBER OF MEETINGS IN 2019: 5 Governance and Corporate Responsibility Committee – Primary Responsibilities and Requirements NUMBER OF MEETINGS IN 2019: 2 MEMBERS: Environmental, Health and Safety Committee – Primary Responsibilities and Requirements NUMBER OF MEETINGS IN 2019: 2 Board Refreshment and Diversity 0% 20% 40% 60% 80% 100% 5 or fewer 6 to 10 More than 10 Years of Service 3 of 10 Director nominees Diversity NON-EMPLOYEE DIRECTOR COMPENSATION 2019 NON-EMPLOYEE DIRECTOR COMPENSATION Non-Employee Director Compensation Highlights Non-Employee Director Retainer and Meeting Fees Role Annual Cash Retainers NON-EMPLOYEE DIRECTOR COMPENSATION 2019 Director Compensation Table Name Fees Earned or Paid in Cash Stock Awards Total (1) Fees Earned or Paid in Cash (column (a)) Stock Awards (column (b)) Option Awards Outstanding and Fully-Vested Deferred Shares Number of Deferred Shares(1) Beneficial Ownership of Our Common Shares Number of Shares Owned(1) Right to Acquire Shares Total Beneficial Ownership % of Class(4) Name and Address Number of Common Shares % of Class Stock Ownership Guidelines for Non-Employee Directors Delinquent Section 16(a) Reports COMPENSATION DISCUSSION AND ANALYSIS Executive Summary Name Title How Pay is Tied to Company Performance. Compliance with Section 409A of the Code 19.

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