ESG Awards and Certifications * Sustainability Report | 2021 6 https://ecovadis.com/suppliers/ https://www.avient.com/sites/default/files/2021-03/2020-climate-change-avient-score-card.pdf https://www.wsj.com/news/collection/management-top-250-december-2021-30a0ffe8 http://www.sustainalytics.com By 2030, Avient will enable 100% of our products manufactured for packaging applications to be recyclable or reusable or compostable to advance the circular economy Kutno, Poland 1. Sustainability Report | 2021 18 https://responsiblecare.americanchemistry.com https://responsiblecare.americanchemistry.com/Management-System-and-Certification/ https://www.avient.com/sites/default/files/2021-05/avient-responsible-care-ehs-s-policies-2021.pdf https://www.avient.com/sites/default/files/2022-05/Avient_Health_And_Safety_Policy_2022%20Update.pdf https://www.avient.com/sites/default/files/2020-10/avient-security-policy-august-2020.pdf https://www.avient.com/sites/default/files/2022-05/Avient_Environmental%20Policy_2022%20Update.pdf https://www.avient.com/sites/default/files/2022-05/Avient_ProdStewardship_Policy_2022%20Update.pdf Safety First Avient is focused on our goal of zero recordable injuries and our ongoing desire to integrate safety into all aspects of our operations.

https://www.avient.com/investors https://edge.media-server.com/mmc/p/izyekkyu https://www.avient.com/investors https://register.vevent.com/register/BI3c8fe685f32648e0abfb1ac2c77a59d9 https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. For more information, visit https://www.avient.com. https://www.avient.com/news-events https://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

Domestic: 1-844-835-7433 http://edge.media-server.com/m/p/v48otc68/lan/en Domestic: 1-855-859-2056

One caveat: Typical TPE shrinkage is around 2% while that of substrate materials is closer to 1%. ¹http://www.coleparmer.com/Chemical-Resistance  Source: https://en.wikipedia.org/wiki/UV_degradation

One caveat: Typical TPE shrinkage is around 2% while that of substrate materials is closer to 1%. ¹http://www.coleparmer.com/Chemical-Resistance  Source: https://en.wikipedia.org/wiki/UV_degradation

Avient’s Taoyuan site supports customers in Greater China, Japan, South Korea, and Southeast Asia with sustainable polyester fiber solutions for sportswear and casual wear applications primarily made from recycled PET flakes.

The ColorNow service is commercially available in Southeast Asia and Greater China and is currently being tested in Europe.

Jurong, Singapore 1. HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 18Sustainability Report | 2023 18 https://www.avient.com/news/avient-attains-acc-responsible-care-14001-global-certification-environmental-health-safety-and-security-excellence https://www.avient.com/news/avient-attains-acc-responsible-care-14001-global-certification-environmental-health-safety-and-security-excellence https://www.avient.com/sites/default/files/2023-12/Avient_ALL_Policies_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient_SecurityPolicy_Dec_18_2023.pdf https://www.avient.com/sites/default/files/2023-12/Avient_ProdStewardship_Policy_Dec_18_2023.pdf Safety First Avient is focused on our goal of zero recordable injuries and our ongoing desire to integrate safety into all aspects of our organization. page=1 https://www.barrons.com/lists-rankings/top-sustainable-companies?

Kalol, India 1. Sustainability Report | 2019 15 https://responsiblecare.americanchemistry.com/Management-System-and-Certification/ https://www.avient.com/sites/default/files/2020-10/avient-responsible-care-policy-2020.pdf https://www.avient.com/company/sustainability/planet/responsible-care https://www.avient.com/company/sustainability/planet/responsible-care 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-product-stewardship-policy-august-2020.pdf COVID-19 Protecting our People as an Essential Business As a global organization, Avient recognized the early risks associated with the COVID-19 pandemic. 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

Kalol, India 1. Sustainability Report | 2019 15 https://responsiblecare.americanchemistry.com/Management-System-and-Certification/ https://www.avient.com/sites/default/files/2020-10/avient-responsible-care-policy-2020.pdf https://www.avient.com/company/sustainability/planet/responsible-care https://www.avient.com/company/sustainability/planet/responsible-care 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-product-stewardship-policy-august-2020.pdf COVID-19 Protecting our People as an Essential Business As a global organization, Avient recognized the early risks associated with the COVID-19 pandemic. 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/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