page=1& https://www.forbes.com/lists/net-zero-leaders/ https://www.greatplacetowork.com/ https://www.avient.com/sites/default/files/2023-06/Disclaimer_Statements_Sustainability.pdf https://www.avient.com/sites/default/files/2023-06/Disclaimer_Statements_Sustainability.pdf https://rankings.newsweek.com/americas-greenest-companies-2025 https://www.barrons.com/lists-rankings/top-sustainable-companies? locale=en https://www.carbon-minds.com/ https://www.certipedia.com/quality_marks/0000084994? LEARN MORE Avient Sustainability http://AVIENT.COM http://www.avient.com https://rankings.newsweek.com/americas-greenest-companies-2025 https://www.barrons.com/lists-rankings/top-sustainable-companies?

SOURCE: https://archive.ellenmacarthurfoundation.org/explore/the-circular-economy-in-detail https://archive.ellenmacarthurfoundation.org/explore/the-circular-economy-in-detail The goal of the circular economy is to be a continuous, self-supporting system. SOURCE: https://ellenmacarthurfoundation.org/topics/climate/overview SOURCE: https://ellenmacarthurfoundation.org/topics/plastics/overview Why is the Circular Economy Relevant Today? SOURCE: https://www.gartner.com/en/newsroom/press-releases/2019-09-26-gartner-predicts- circular-economies-will-replace-line SOURCE: https://www.greenbiz.com/article/6-circular-economy-trends-will-shape-2020 What Up Next for the Circular Economy?

HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 15 https://www.avient.com/company/sustainability/planet/environmental-stewardship https://responsiblecare.americanchemistry.com 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-environmental-policy-august-2020.pdf https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/sites/default/files/2020-10/avient-environmental-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. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 62 https://endplasticwaste.org/about/ http://endplasticwaste.org https://www.opcleansweep.org https://www.newplasticseconomy.org/projects/plastics-pact https://www.petcore-europe.org https://plasticsrecycling.org P L A N E T HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 63Sustainability Report | 2019 63 Protecting Our Planet Avient is fully committed to protecting the environment by addressing climate change, conserving natural resources and preventing pollution. Code of Conduct https://www.avient.com/investors/governance HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 95 https://www.avient.com/contact-us-now https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance GRI Standards Content Index GRI Standard Disclosure Title Avient Disclosures Economic Topic Disclosures GRI 206: Anti-Competitive Behavior 1.1 Management approach—GRI 103 Code of Conduct 206–1 Legal actions for anti-competitive behavior, anti-trust, and monopoly practices No legal actions were brought against Avient for anti-competitive behavior, anti-trust, or monopoly practices in 2019.

HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 15 https://www.avient.com/company/sustainability/planet/environmental-stewardship https://responsiblecare.americanchemistry.com 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-environmental-policy-august-2020.pdf https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/sites/default/files/2020-10/avient-environmental-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. HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 62 https://endplasticwaste.org/about/ http://endplasticwaste.org https://www.opcleansweep.org https://www.newplasticseconomy.org/news/uk-plastics-pact-launched-by-the-ellen-macarthur-foundation-and-wrap https://www.petcore-europe.org https://plasticsrecycling.org P L A N E T HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 63Sustainability Report | 2019 63 Protecting Our Planet Avient is fully committed to protecting the environment by addressing climate change, conserving natural resources and preventing pollution. Code of Conduct https://www.avient.com/investors/governance HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 95 https://www.avient.com/contact-us-now https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance GRI Standards Content Index GRI Standard Disclosure Title Avient Disclosures Economic Topic Disclosures GRI 206: Anti-Competitive Behavior 1.1 Management approach—GRI 103 Code of Conduct 206–1 Legal actions for anti-competitive behavior, anti-trust, and monopoly practices No legal actions were brought against Avient for anti-competitive behavior, anti-trust, or monopoly practices in 2019.

LEARN MORE Visit Our Sustainability Site for More Information LEARN MORE HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 50 https://www.dyneema.com/ https://www.dyneema.com/our-products/dyneema-ud https://www.dyneema.com/our-products/dyneema-fiber https://www.dyneema.com/our-products/dyneema-fabric https://www.dyneema.com/sustainability/bio-based-dyneema-fiber https://www.dyneema.com/sustainability/bio-based-dyneema-fiber https://www.dyneema.com/sustainability/bio-based-dyneema-fiber https://www.dyneema.com/ Management Approach: Product Stewardship Protecting associates, customers and the environment by providing safe products is a priority for Avient. Plan for 2023 Assess 65% of suppliers for ESG alignment Include additional sustainability expectations in supplier contracts Provide training and expectations to suppliers at annual supplier summit 60% Suppliers Assessed Assess supplier spend for alignment with our Sustainability objectives 90% GOAL HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 55Sustainability Report | 2022 55 https://www.avient.com/company/policies-and-governance-0/supplier-code-conduct 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_Health_And_Safety_Policy_2022%20Update.pdf https://www.avient.com/company/policies-and-governance-0/supplier-code-conduct https://www.avient.com/company/policies-and-governance/avients-position-human-rights https://www.avient.com/sites/default/files/2022-05/Avient%20Quality%20Policy.pdf https://responsible-mica-initiative.com/ https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://ecovadis.com/suppliers/ Strategic Partnerships and Alliances Our Environmental Partners Visit Our Sustainability Site for More Information LEARN MORE Alliance to End Plastic Waste American Composites Manufacturers Association Association of Plastic Recyclers (APR) Operation Clean Sweep PET Container Recycling Europe (PetCore) Plastics Recyclers Europe (PRE) RecyClass Responsible Mica Initiative The Microfibre Consortium (TMC) UK Plastic Pact HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 56 https://ellenmacarthurfoundation.org/uk-plastics-pact https://www.petcore-europe.org/ https://plasticsrecycling.org/ https://responsible-mica-initiative.com/ https://www.plasticsrecyclers.eu/who-we-are https://www.microfibreconsortium.com/ https://www.opcleansweep.org/ https://endplasticwaste.org/en https://www.avient.com/company/sustainability/sustainability-report/products/partnerships-alliances https://endplasticwaste.org/en https://acmanet.org/ https://plasticsrecycling.org/ https://www.opcleansweep.org/ https://www.petcore-europe.org/ https://www.plasticsrecyclers.eu/who-we-are https://recyclass.eu/ https://responsible-mica-initiative.com/ https://www.microfibreconsortium.com/ https://ellenmacarthurfoundation.org/uk-plastics-pact https://recyclass.eu/ https://acmanet.org/ PLANET Patagonia, Chile by Bridget Moyer HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 57Sustainability Report | 2022 57 Protecting Our Planet Avient is fully committed to protecting the environment by addressing climate change, conserving natural resources and preventing pollution. Challenge Accepted. 2022 Sustainability Report AVIENT.COM http://www.avient.com http://www.AVIENT.com https://responsiblecare.americanchemistry.com/Guiding-Principles/ https://endplasticwaste.org/en https://unglobalcompact.org/ https://www.hrc.org/resources/corporate-equality-index https://www.barrons.com/articles/most-sustainable-esg-us-companies-1b5f70fd https://www.wsj.com/news/collection/management-top-250-december-2021-30a0ffe8 https://www.greatplacetowork.com https://www.usatoday.com/in-depth/news/nation/2023/05/24/climate-leaders-list-greenhouse-gas-emissions-ranking/70222728007/ https://www.newsweek.com/rankings/americas-most-responsible-companies-2023 Message from the CEO Message from the Governance and Corporate Responsibility Committee Our Sustainability Strategy Sustainability Performance & Recognition 2030 Sustainability Goals and Current Progress Avient Reaffirms Commitment to U.N.

C/ Valportillo Primera 22-24, Edificio Caoba, 28108 Alcobendas - Madrid, España This certificate is valid, subject to the general and specific terms and conditions of certification services STANDARD Bureau Veritas certification certifies that the Management System has been audited and found to be in accordance with the requirements of standard: Awarded to Certification https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 2022-12-15T10:52:43+0100 Authenticity and Integrity 2022-12-15T10:53:51+0100 BUREAU VERITAS CERTIFICATION

To learn more visit: endplasticwaste.org HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 61 https://plasticsrecycling.org https://www.opcleansweep.org https://www.petcore-europe.org https://www.plasticsrecyclers.eu/who-we-are https://responsible-mica-initiative.com https://www.newplasticseconomy.org/projects/plastics-pact https://www.microfibreconsortium.com https://endplasticwaste.org/about/ https://endplasticwaste.org/en/news? GRI Standards Content Index HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2020 89 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/governance https://www.avient.com/investors/governance https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/governance http://newsletter.polyone.com/IHDP/2020%20annual%20report/viewer/desktop/#page/1 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/governance http://newsletter.polyone.com/IHDP/2020%20annual%20report/viewer/desktop/#page/1 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/governance http://newsletter.polyone.com/IHDP/2020%20annual%20report/viewer/desktop/#page/1 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/investors/governance http://newsletter.polyone.com/IHDP/2020%20annual%20report/viewer/desktop/#page/1 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings http://newsletter.polyone.com/IHDP/2020%20annual%20report/viewer/desktop/#page/1 GRI Standard Disclosure Title Avient Disclosures General Disclosures Reporting Practice 102–46 Defining report content and topic boundaries The information in this report applies to Avient and all owned facilities, joint ventures, and operating companies globally within the reporting period, unless otherwise stated. Challenge Accepted. 2020 Sustainability Report AVIENT.COM http://www.avient.com http://AVIENT.com https://responsiblecare.americanchemistry.com/Guiding-Principles/ https://endplasticwaste.org/about/ https://www.hrc.org/resources/corporate-equality-index https://www.greatplacetowork.com https://www.newsweek.com/americas-most-responsible-companies-2021 https://www.unglobalcompact.org Table of Contents Message from the CEO Message from the Governance and Corporate Responsibility Committee 2030 Sustainability Goals Avient Joins U.N.

area_of_inquiry=thermoplastic%20elastomers https://www.avient.com/idea-filter? productgroup=85&theme= https://www.avient.com/idea-filter? https://www.avient.com/services/how-resources/technical-bulletins/hardness https://www.avient.com/services/how-resources/tpe-faqs#stretchProperties What are the main advantages of using TPEs?

We thank you for your understanding, and we look forward to serving your needs. 3 Table of contents A Message from our Global Quality Manager ...............................................................2 Avient Corporation: Overview ............................4 Avient Policy for Customer Audits ......................5 Management Responsibility ...............................6 Product Liability Insurance .............................6 Ethics - Code of Conduct.................................6 Modern Slavery Statement.............................6 Conflict Mineral Policy....................................6 Technical Data Sheets.....................................6 Safety Data Sheets..........................................6 Regulatory Requests and Certificates (FDA certificate, Absence declaration, REACH, SDS) ........................................6 Safety Performance ........................................6 Environmental Performance...........................6 Energy Management ......................................6 Business Continuation Plan.............................6 Preventive - Predictive Maintenance..............6 Financial Report..............................................6 Quality Management..........................................7 3rd Party Certification......................................7 Complaint Handling ........................................7 Continuous Improvement...............................7 Traceability .....................................................7 Record Retention............................................7 IT Security.........................................................8 Firewall .........................................................8 Critical Data ..................................................8 IT Disaster Recovery .....................................8 IT Systems of Use Policy ...............................8 Annex 1 - Special dispositions related to ISO 13485 certification for Mevopur .......................9 Change control .............................................9 Validation .....................................................9 Control of documents and records ...............9 Supplier approval and supplier evaluation ...9 Traceability ...................................................9 Material management ..................................9 Release of finished products.........................9 Control of Non-conforming products, complaints handling, recall and CAPA..........9 Annex 2 – special dispositions related to ISO 22000 certification............................................10 Change..........................................................10 HACCP ..........................................................10 Control of documents and records ...............10 Material management ..................................10 Supplier approval and supplier evaluation ...10 Traceability ...................................................10 Release of finished products.........................10 Control of Non-conforming products, complaints handling, recall and CAPA..........10 4 Avient Corporation: Overview The Avient website is your home base for information about the company: http://www.avient.com/ To find our facility locations: http://www.avient.com/contact/global-directory-and-contacts For more information about our management systems certifications, including ISO, go to: http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Avient Governance (corporate policies and the Avient Code of Conduct): http://www.avient.com/investors/governance Financial reports: https://www.avient.com/investors Avient Sustainability Report: https://www.avient.com/company/sustainability http://www.avient.com/ http://www.avient.com/contact/global-directory-and-contacts http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library http://www.avient.com/investors/governance https://www.avient.com/investors https://www.avient.com/company/sustainability 5 Avient Policy for Customer Audits Avient may permit audits of facilities, subject to:  Advanced notice and an audit agenda provided at least thirty (30) days in advance or as agreed by the Avient location to be audited for a routine audit.  Audits must be conducted during normal business hours.  Audits may require a signed Non-Disclosure Agreement (NDA) prior to the audit. Information that Avient considers as confidential and will not communicate through questionnaires:  Building and facilities figures  Workforce effective  Organization charts  Shift organization  Unions affiliations  Customers  Suppliers  Procedures  Work instructions  Quality Manuals  FMEA/CCP  Control plans http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/sustainability/sustainability-report/people/human-rights https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library https://www.avient.com/resources/safety-data-sheets https://www.avient.com/resources/technical-data-sheets https://www.avient.com/company/sustainability/people/safety https://www.avient.com/company/sustainability/sustainability-report/planet/energy-ghg-emissions https://www.avient.com/investors/investor-news? 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.

lang=En&n=3C401D5C-1 http://www.ec.gc.ca/default.asp? lang=En&n=BD3CE17D-1 http://www.ec.gc.ca/default.asp? lang=En&n=62DA6A44-1 http://healthycanadians.gc.ca/index-eng.php http://www.voyage.gc.ca/index-eng.asp http://www.servicecanada.gc.ca/eng/home.shtml http://www.jobbank.gc.ca/intro-eng.aspx http://actionplan.gc.ca/eng/index.asp http://www.canada.gc.ca/home.html