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

Our Code of Conduct is available in over 20 languages and can be found at: https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/company/policies-and-governance/code-conduct Our Ethics Hotline is available 24 hours a day, 7 days a week, by phone or web, for our associates and the community to report any concerns or make inquiries. Our Supplier Code of Conduct can be found at: https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf Since it is incorporated by reference into our terms and conditions of purchase, our Supplier Code of Conduct drives interactions with our suppliers and our expectations for doing business, and generally aligns with International Labor Organization (ILO) standards. 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-traffickingstatement https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-traffickingstatement https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf

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.

HIVIZ® is a trademark of Hiviz LLC https://www.avient.com/sites/default/files/2020-09/hiviz-recoil-pad-case-study.pdf

MOVE OVER METAL Compared to steel, carbon fiber composites are: Tensile Strength 400–500 ksi Density 1.55 g/cm3 Concrete reinforcement, infrastructure repair BUST THE RUST Carbon fiber composites are inherently corrosion resistant, making them ideal for harsh outdoor applications MEET YOUR NEEDS Avient customizes composite materials to meet your specifications, from specialty surface treatments to finishing operations TAKE THE HEAT Carbon fiber composites have excellent dimensional stability to withstand extreme temperatures and conditions stronger 10X 5X lighter Archery bow limbs, risers, cable guards, arrows https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/gordon-composites-thermoset-laminates-barstock https://www.avient.com/sites/default/files/2021-11/carbon-fiber-reinforced-product-bulletin.pdf

https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A You can use this service to validate a business’s QST registration number. As of suppliers outside QuébecJanuary 1, 2019, certain must register for the QST and collect the tax on certain taxable supplies they make in Québec. Registration number 1019288451 TQ 0004 Status Valid Effective date of status 2017-08-01 Date viewed 2021-02-04 Business's name AVIENT CANADA ULC Business name SPARTECH PLASTIQUES Registration number to validate 1019288451TQ0004 Page 1 of 1Validate a QST Registration Number - Revenu Québec 2/4/2021https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A.ValiderInscription/...

There are several essential metrics used to quantify thermal performance: 1. In high-performance thermoplastics, color can be achieved in two ways: 1. https://www.polyone.com/sites/default/files/resources/CCG%2520Food%2520Handling%2520Case%2520Study%2520FINAL%2520PDF.pdf https://www.polyone.com/sites/default/files/resources/CCG%2520Food%2520Handling%2520Case%2520Study%2520FINAL%2520PDF.pdf Source: https://www.engineering.com/3DPrinting/3DPrintingArticles/ArticleID/14465/3D- Printing-Filaments-Whats-the-Deal-with-ULTEM-and-PEEK.aspx High-performance thermoplastics can be processed using injection molding, compression molding, and extrusion.

The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/p4owuchb.   To participate in the audio-only portion of the call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 2587092.  To access, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 2587092.