Additional information can be found in our Human Rights Policy. Avient is committed to continue partnerships with suppliers who align with the following policies: • Environmental Policy • Health and Safety Policy • Supplier Code of Conduct • Human Rights Policy • Quality Policy • Global Supplier Quality Manual Conflict Minerals Process Avient’s business objective is to use conflict free materials and components in our products and expects our global supply chain partners to do the same. It is part of our policy and partnership with our suppliers that they follow the responsibilities and procedure of RMI and are obliged to our Conflict Mineral Policy.

This policy was updated in 2021 to outline our risk assessment target and our commitment to animal welfare through our newly adopted Animal Testing Policy. Sustainability Report | 2021 81 Sustainability Report | 2021 82 Animal Testing Policy Audit Committee Charter California Transparency in Supply Chains Act Disclosure Code of Ethics—Applicable to Avient Senior Officers ColorMatrix Europe Limited—Modern Slavery and Human Trafficking Statement Compensation Committee Charter Conflict Minerals Policy Corporate Governance Guidelines Environmental Policy Equal Employment Opportunity Global Chemical Management Global ISO Certificate Library Global Policy on Anti-Bribery and Anti-Corruption Global Policy on Antitrust Governance and Corporate Responsibility Committee Charter Position on Human Rights Privacy Policy Product Stewardship Policy Quality Policy Responsible Care Policy Safety and Health Policy Security Policy Policies & Guidelines In addition to our Code of Conduct, our corporate governance policies show our commitment to honest, ethical business practices and compliance with applicable law. This policy was updated in 2021 to outline our risk assessment target and our commitment to animal welfare through our newly adopted Animal Testing Policy.

Conflict Mineral Policy The Conflict Mineral Policy is available here. IT Systems of Use Policy This Policy is available here. https://www.avient.com/company/policies-and-governance/it-systems-use-policy 9 10 Annex 1 - ISO 13485 certification for Mevopur manufacturing sites North America & EMEA.

Global Policy on Antitrust Updated February 2021 Table of Contents Guide For Compliance 1 Policy Overview 1 An Overview of U.S. Policy Overview Antitrust laws protect competition. subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1.

Retirement Policy The current retirement age for Board membership is 72 years. The Board may at any time in its sole discretion supplement or amend any provision of this policy in any respect, repeal the policy in whole or part or adopt a new policy relating to director elections with such terms as the Board determines in its sole discretion to be appropriate. The Board will have the exclusive power and authority to administer this policy, including, without limitation, the right and power to interpret the provisions of this policy and to make all determinations deemed necessary or advisable for the administration of this policy, including, without limitation, any determination as to whether any election of directors is contested.

More information about Avient and its locations can be found on our website – www.Avient.com Our policies on slavery and human trafficking The Avient Code of Conduct establishes a clear set of ethical and behavioral standards for the employees of Avient for our business conduct. A full copy of Avient’s Code of Conduct is available in over 20 languages and can be found here: Avient’s Position on Human Rights can be found here http://www.avient.com/ https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf Page 2 of 3 Training To mitigate against the risk of non-compliance with our policy, Avient requires all associates to complete mandatory Code of Conduct training.

General Purposes The general purposes of the Committee are: • Oversee and monitor the establishment and maintenance by management of comprehensive safety, health, environmental, physical security and product stewardship policies, standards and practices for the Company, including risks related to such matters Oversee programs established by the Company whereby the Company is responsible to monitor compliance with Company policies, standards and practices and with applicable governmental laws and regulations concerning safety, health, environmental, physical security and product stewardship on a global basis. Compliance Programs • At least annually review the programs and procedures established by the Company that monitor compliance with the Company’s policies, standards and practices, and laws and regulations with respect to safety, health, environmental, physical security and product stewardship, including providing oversight of the systems that are in place to monitor and mitigate the Company’s carbon footprint and physical risks associated with climate change; • Periodically review with management the significant safety, health, environmental, physical security, and product stewardship risks or exposures faced by the Company, if any, and steps taken by management to minimize such risks and exposures to the Company and its constituencies; • At least annually review the status of the Company’s environmental and safety audit process, assessing compliance with Company policies, standards, practices, laws and regulations; and • Periodically review claims, demands, administrative orders and legal proceedings against the Company regarding safety, health, environmental, physical security and product stewardship matters.

IT Systems of Use Policy https://www.avient.com/company/policies-and- governance/it-systems-use-policy 7.0 Environmental Health, Safety & Security Is there an Emergency Response System? Yes, defined by business unit and facility Are there written policies and procedures covering recall procedures? Yes; via Supply Chain & Customer Service Are there written policies and procedures covering complaint investigations?

Clawback Policy. PROXY STATEMENT 2024 | Annual Meeting of Shareholders 57 Further, Avient continues to maintain a predecessor compensation clawback policy (the “Prior Clawback Policy”). The Prior Clawback Policy remains operational and applies to individuals and/or compensation not covered by or subject to the new NYSE-compliant Compensation Clawback Policy.