Avient Climate-related Scenario Analysis Summary SCOPE & TIME HORIZON AVIENT SCENARIO NET ZERO FUTURE PLEDGING PROGRESS STEADFAST POLICY CONVENTION 1.3-1.5°C 1.9-2.3°C 2.4-2.8°C TRANSITION RISK Net Zero Emissions Scenario Announced Pledges Scenario Stated Policies Scenario (IEA WEO 2021 1 scenarios) (NZE) | 1.4°C (APS) | 2.1°C (STEPS) | 2.6°C Emissions peak at 2050 and slowly decline through 2100 Emissions continue to rise beyond 2100 at slower rates Emissions continue to rise beyond 2100 at current rates BUSINESS IMPLICATIONS Increased transition risk: Business impacted by climate policies, carbon prices, market pressures and technological advancements Increased physical risk: Business impacted by direct damages and indirect discruption assocated with severe changes in climate driven weather events · Highly regulated policy environment · Moderate policy regulation · Few changes to current policy settings · Ambitious; net zero commitments achieved at most all levels · Government commitments and National Determined Contributions are achieved · Not all stated commitments are achieved · Improved air pollution in advanced and emerging market & developing economies · Rising air pollution levels especially in emerging market and developing economies · Doubling of the frequency of extreme heat events by 2050 and 120% increase in intensity & rising air pollution levels especially in emerging market and developing economies · Expectation of signifcant capital allocation for innovative product design, energy efficiency investments, and clean electrification of operations · Additional levels of R&D investment will be required to contribute to and attain announced commitments ADAPTATION & STRATEGIC CONSIDERATIONS ADAPTATION & STRATEGIC CONSIDERATIONS · Avient's Environmental and Product Stewardship Polices set a foundation for greater operational and external policy expectations aligned with energy efficiency standards, renewable energy procurement, supplier engagement (i.e., Media & Stakeholder Analyses {MSA} climate criteria) · The current and future focus is on continued Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) assessments, reclassifications and communication on the safe use and handling of these substances. Net zero (1.5C) aligned policies related to procurement decisions, supplier and regulatory engagement, decarbonzation pathways, product pipeline have not fully been established, but is something we are considering · Further enhancement of policies to support the due diligence efforts of M&A opportunities that include climate-related criteria may benefit our decision-making · In 2022, Avient instituted our first internal cost of carbon to better prioritize low-carbon investments · We are constructing a detailed decarbonization pathway aligned to our existing 2030 goal.

Global Policy on Anti-Bribery & Anti-Corruption Issued July 1, 2020 Table of Contents Our Global Policy on Anti-Bribery and Anti-Corruption 1 Importance of Compliance 1 Our Responsibility 1 What Is a Bribe? Avient has developed a comprehensive program for implementing this Policy through appropriate guidance, training, investigation and oversight. Associates who violate this Policy will be subject to disciplinary action, up to and including termination.  

Renumeration Policies Employee training on human rights policies or procedures   GRI 415: Public Policy

If the local policies or guidelines at a certain business unit or location are stricter than the policy or guideline in the Code, you must always follow the stricter policy. Comply with Avient’s travel and entertainment policy; 2. 26 Resources and Contact Information Our Policies You can get specific policy and contact information on our intranet site, The Loop in the Section: People & Departments, Ethics & Corporate Policies or from your supervisor or manager.

AVIENT CORPORATION GROUP’S PUBLICATION OF UK TAX STRATEGY Introduction This document summarizes Avient Corporation and its worldwide affiliates’ (together “The Avient Group”) policy and approach to conducting United Kingdom (“UK”) tax affairs and managing tax risk. Approach of the Avient Group to governance and risk management of UK tax matters The Avient Group establishes internal financial policies requiring UK businesses to comply with all applicable UK tax laws and deploys an internal review process to ensure this policy is followed timely and accurately.

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. Review the compensation of non-employee directors and make recommendations to the Board regarding changes to existing compensation levels. • Perform administrative functions with respect to the compensation of non-employee directors, including interpreting existing policy. • Review and approve (or approve and recommend to the Board for its approval) equity-based grants and awards to non-employee directors under the Company’s equity-based plans. 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

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. We further define these commitments with individual Policies on Environment, Safety & Health, Security and Product Stewardship.

⁴Certificates can be found at https://www.avient.com/company/policies-and-governance/global-iso-certificate-library

September 2020 EQUAL EMPLOYMENT OPPORTUNITY POLICY Avient Corporation provides equal opportunity in all aspects of its employment practices. It is extremely important that all employees of our Company comply with this policy. All employees should feel free to exercise their rights under this policy.

We define child labor as services by anyone under the age of 16 and, if local law is more restrictive than our policy, we will comply with the more restrictive local law. Our disclosures are located at: https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking- statement We reinforce Our Commitment to human rights, as set forth above, throughout our organization by incorporating and reflecting these principles in organizational policies, training programs, and our governance management framework. https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf