Avient is committed to continue partnerships with suppliers who align with the following policies: • Environmental Policy • Health and Safety Policy • Supplier Code of Conduct • Avient’s Human Rights Position Statement • Quality Policy The initial phase of the Sustainable Sourcing Program is focused on training of our suppliers and evaluation through third party self- assessments, including EcoVadis and IntegrityNext. 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. To set clear expectations and understanding, our policies, along with the training and communication of these policies are provided in over 20 languages and disclosed on our website.

The Audit Committee has adopted a separate policy covering the pre- approval of independent auditor services and fees. Establish clear hiring policies for the Company’s hiring of employees or former employees of the independent auditor that participated in any capacity in the audit of the Company. 5. Advise the Board with respect to the Company’s policies and procedures regarding compliance with the Company’s Codes of Business Conduct and Ethics. 3.

https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf Etik ve Yönetişim • Tüm ticari müzakereleri sorumlu, etik ve yasal bir şekilde yürütün

What is the company’s environmental policy? The policy can be found at www.polyone.com 4. Describe your training policy.

Clawback Policy. Exercise or Base Price of Option Awards (column (i)) Grant Date Fair Value of Stock and Option Awards (column (j)) Narrative Disclosure Relating to the 2018 Summary Compensation Table and the 2018 Grants of Plan-Based Awards Table Outstanding Equity Awards at 2018 Fiscal Year-End Exercise Price Expiration Date Market Value of Shares or Units of Stock That Have Not Vested Equity Incentive Plan Awards: Market or Payout Value of Unearned Shares, Units or Other Rights that Have Not Vested (j) Stock Awards Equity Incentive Plan Awards: Number of Securities Underlying Unearned Options Equity Incentive Plan Awards: Number of Unearned Shares, Units or Other Rights that Have Not Vested (i) Number of Shares or Units of Stock That Have Not Vested Number of Underlying Unexercised Options (#) Unexercisable Number of Securities Underlying Options (#) Exercisable Option Awards Number of Securities Underlying Unexercised Options (#) Exercisable (column (b)) Number of Securities Underlying Unexercised Options (#) Unexercisable (column (c)) Equity Incentive Plan Awards: Number of Securities Underlying Unexercised Unearned Options (column (d)) Option Exercise Price (column (e)) Option Expiration Date (column (f)) Number of Shares or Units of Stock That Have Not Vested (column (g)) Market Value of Shares or Units of Stock That Have Not Vested (column (h)) Equity Incentive Plan Awards: Number of Unearned Shares, Units or Other Rights That Have Not Vested (column (i)) Equity Incentive Plan Awards: Market or Payout Value of Unearned Shares, Units or Other Rights That Have Not Vested (column (j)) 2018 Option Exercises and Stock Vested Option Awards Stock Awards Acquired on Exercise Value Realized on Exercise Acquired on Vesting Value Realized on Vesting Option Awards (columns (b) and (c)) Stock Awards (columns (d) and (e)) 2018 Nonqualified Deferred Compensation Aggregate Executive Registrant Aggregate Aggregate Aggregate Balance at Contributions Contributions Earnings Withdrawals/ Balance at in Last FY in Last FY in Last FY Distributions Last FYE (1) ($)(2) ($)(3) ($)(4) ($) ($)(1)(5) Potential Payments Upon Termination or Change of Control Summary of Potential Payments Management Continuity Agreements Executive Severance Plan Annual Plan Long-Term Incentive Awards Retirement Benefits Payments and Benefits Upon Termination — As of the End of Fiscal Year 2018 CEO Pay Ratio Disclosure CEO Annual Total Compensation for 2018: $6,127,920 Median Employee Annual Total Compensation for 2018: $48,056 Ratio of CEO to Median Employee Annual Total Compensation for 2018: 128:1 How the Median Employee was Determined in 2017 Compensation Committee Interlocks and Insider Participation Policy on Related Person Transactions Risk Assessment of the Compensation Programs Compensation Committee Report The Compensation Committee of the Board of Directors MISCELLANEOUS MISCELLANEOUS PROVISIONS Voting at the Meeting not Shareholder Proposals MISCELLANEOUS Proxy Solicitation We will furnish without charge to each person from whom a proxy is being solicited, upon written request of any such person, a copy of the Annual Report on Form 10-K of the Company for the fiscal year ending December 31, 2018, as filed with the SEC, including the financial statements and schedules thereto. Kunkle APPENDIX A Year Ended Year Ended December 31, 2018 December 31, 2017 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Year Ended Year Ended December 31, 2016 December 31, 2015 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Year Ended December 31, 2014 Reconciliation to Condensed Consolidated Statements of Income $ EPS Year Ended December 31, Reconciliation to Consolidated Statements of Income 2018 2017 As of December 31, 2018 Table Of Contents Message From Our CEO Notice Of 2019 Annual Meeting Of Shareholders Proxy Summary Proxy Statement Proposal 1-Election Of Board Of Directors Proposal 2-Advisory Vote To Approve Named Executive Officer Compensation Proposal 3-Ratification Of Appointment Of Independent Registered Public Accounting Firm Corporate Governance 2018 Non-employee Director Compensation Ownership Of Polyone Shares Compensation Discussion And Analysis Executive Summary Executive Compensation Philosophy And Objectives What We Pay And Why: Elements Of Compensation Other Aspects Of Our Compensation Programs Executive Compensation 2018 Summary Compensation Table 2018 Grants Of Plan-Based Awards Outstanding Equity Awards At 2018 Fiscal Year-End 2018 Option Exercises And Stock Vested 2018 Nonqualified Deferred Compensation Potential Payments Upon Termination Or Change Of Control CEO Pay Ratio Disclosure Compensation Committee Interlocks And Insider Participation Policy On Related Person Transactions Risk Assessment Of The Compensation Programs Compensation Committee Report Miscellaneous Provisions Appendix A

MAGATARTÁSI KÓDEXÜNK | 14 MAGATARTÁSI A TISZTELET BECSÜLETESSÉG A ÜZLETI TÁRSADALMI https://www.avient.com/company/policies-and-governance/it-systems-use-policy https://www.avient.com/company/policies-and-governance/it-systems-use-policy Tulajdonosi és bizalmas információk, ötletek és szellemi tulajdon Versenyképességünk könnyen csökkenhet, ha mások hozzáférést kapnak az Avient tulajdonosi információihoz, innovatív ötleteihez és szellemi tulajdonához, és konkurens termékek fejlesztésére és az ügyfelek előtti pozíciószerzésre használják fel azokat. Ezek megtalálhatók a The Loop felületén, a People & Departments, Ethics & Corporate Policies menüpont alatt. Az Avient ajándékozást és vendéglátást szabályozó dokumentuma elérhető a The Loop felületén, a People & Departments, Ethics & Corporate Policies menüpont alatt.

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.

Clawback Policy. Further, Avient continues to maintain a predecessor compensation clawback policy (the “Prior Clawback Policy”). Insider Trading Policy.

Avient’s commitment to managing and monitoring the impact of global regulatory requirements on our businesses is demonstrated through our Global Chemical Management Policy.

The policies and codes that are included in the EH&S MS are: • Responsible Care Policy, which outlines our overarching commitment to the Responsible Care Guiding Principles; • Safety & Health Policy, which focuses on providing a safe and healthy workplace for our associates through building an actively caring culture; • Security Policy, which focuses on protecting the security of our people and all information related to our operations; • Avient Code of Conduct, which focuses on putting forth guidelines for ethical behavior; • Environmental Policy, which focuses ensuring enduring operations, that contribute positively to our associates’ well-being and the well-being of the communities in which we operate; • Product Stewardship Policy, which covers the sustainable and ethical management of our products to protect our associates, customers and communities in which we operate. Our perfect score reflects Avient’s clear commitment to workplace equality, with respect to policies, benefits and practices. Quality Policy Corporate Governance Guidelines Product Stewardship Policy Safety and Health Policy Environmental Policy Security Policy Conflict Minerals Policy Compensation Committee Charter Governance and Corporate Responsibility Committee Charter Audit Committee Charter Code of Ethics—Applicable to Avient Senior Officers Position Statement on Human Rights California Transparency in Supply Chains Act Disclosure Privacy Policy Sustainability Report | 2019 84 https://www.avient.com/sites/default/files/2020-10/avient-quality-policy.pdf https://www.avient.com/sites/default/files/2020-07/avient-corporate-governance-guidelines-change-in-ng-committee-name-2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-product-stewardship-policy-august-2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-health-safety-policy-august-2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-security-policy-august-2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-07/avient-compensation-committee-charter-amended-july-2018-name-july-2020.pdf https://www.avient.com/sites/default/files/2020-07/avient-governance-and-corporate-responsibility-committee-charter-rev-2020.pdf https://www.avient.com/sites/default/files/2020-07/avient-audit-committee-charter-rev-10-2019.pdf https://www.avient.com/sites/default/files/2020-07/code-of-ethics-for-ceo-cfo-and-controller.pdf https://oag.ca.gov/SB657 https://www.avient.com/company/policies-and-governance/polyone-corporation-privacy-statement GOALS & METRICS Sustainability Report | 2019 85 By 2030, Avient will enable 100% of our products manufactured for packaging applications to be recyclable or reusable to advance the circular economy