HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2021 57 https://www.avient.com/company/sustainability/products/product-stewardship-and-product-safety https://www.americanchemistry.com https://www.compounders.eu https://www.compounders.eu https://tdma.info https://tdma.info https://www.americanchemistry.com https://www.compounders.eu https://tdma.info Global Chemical Management The current and future focus is on continued Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) assessments, reclassifications and communication on the safe use and handling of these substances. tab=progress-report http://endplasticwaste.org https://plasticsrecycling.org https://www.microfibreconsortium.com 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 Planet Photo of Hocking Hills, Ohio, by Avient Associate Nick Govelovich, submitted to our 2022 Earth Day Photo Contest. Challenge Accepted. 2021 Sustainability Report AVIENT.COM http://www.avient.com http://AVIENT.com https://responsiblecare.americanchemistry.com/Guiding-Principles/ https://endplasticwaste.org/about/ https://www.greatplacetowork.com https://www.unglobalcompact.org https://www.newsweek.com/americas-most-responsible-companies-2022 https://www.hrc.org/resources/corporate-equality-index https://www.barrons.com/articles/most-sustainable-companies-51644564600 https://www.wsj.com/news/collection/management-top-250-december-2021-30a0ffe8 Message from the CEO Message from the Governance and Corporate Responsibility Committee Our Sustainability Strategy & Employee Engagement Strategy Execution & Proof of Performance 2030 Sustainability Goals Avient Reaffirms Commitment to U.N.

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To access Avient’s news library online, please visit www.avient.com/news. https://www.avient.com/investors https://edge.media-server.com/mmc/p/xkwywv44 https://www.avient.com/investors https://register.vevent.com/register/BI3163094c31c24a9680e9118cec4f9167 https://www.avient.com/investors/events-presentations https://www.avient.com/news 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. For more information, visit https://www.avient.com. https://www.avient.com/ 5 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.

AVIENT SOLUTION PAINT REPLACEMENT Copyright © 2024, Avient Corporation https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 Tier 2 molder

All Rights Reserved. https://www.avient.com/products/vinyl-formulations/vinyl-plastisols-organosols/core-vinyl-plastisols-healthcare https://www.avient.com/products/polymer-colorants/colorant-dispersions/colorants-liquid-silicone-rubber Slide 1: Medical device manufacturer

PRODUCT MATERIAL DESCRIPTION COLOR MAX THICKNESS IN (MM) MAX WIDTH IN (CM) FLEXURAL MODULUS Msi (GPa) FLEXURAL STRENGTH ksi (MPa) GLASS % GC-70-UL Glass/Epoxy Any 0.1 (2.5) 17.75 (45) 5.8 (39.99) 210 (1448) 70 GC-66-ULW Glass/Epoxy, 90° Weft Any 0.1 (2.5) 17.75 (45) 4.5 (31.03) 130 (896) 66 GC-70-ULS Glass/Epoxy, 1080 Woven Scrim Any 0.1 (2.5) 17.75 (45) 5.8 (39.99) 210 (1448) 70 GC-70-ULZ Glass/Epoxy Natural 0.04 (1.0) 8.75 (22.2) 6.8 (46.89) 245 (1689) 70 GC-70-ULC Carbon/Epoxy Black 0.04 (1.0) 8.0 (20.3) 19.9 (137.21) 300 (2069) 70 http://www.polyone.com/content/product-selection-help-form BARSTOCK All barstock composites are machined to size with a surface finish prepared to fit customer requirements. STANDARD BARSTOCK PRODUCTS PRODUCT MATERIAL DESCRIPTION COLOR MAX THICKNESS IN (MM) MAX WIDTH IN (CM) FLEXURAL MODULUS Msi (GPa) FLEXURAL STRENGTH ksi (MPa) GLASS % GC-67-UB Glass/Epoxy Black 0.575 (14.6) 11.75 (29.8) 5.8 (39.99) 153 (1055) 67 GC-67-UBZ Glass/Epoxy Black 0.5 (12.7) 8.75 (22.2) 5.8 (39.99) 153 (1055) 67 GC-60-UBC Carbon/Epoxy Black 0.25 (6.35) 4.0 (10.2) 12.5 (86.19) 150 (1034) 60 GC-67-UBW Glass/Epoxy, 90° Weft Blue 0.25 (6.35) 8.75 (22.2) 4.8 (33.10) 150 (1034) 67 http://www.polyone.com/content/product-selection-help-form PULTRUDED PROFILES - TYPICAL PROPERTIES The Glasforms™ pultrusion process creates continuous, constant cross-sectional profiles with consistent, uniform quality and exceptional mechanical performance. Benefits include: • Alternating longitudinal (axial) fibers for flexural & tensile strength and circumferential (biaxial) fibers for crush & burst resistance • Manufactured continuously, at a much higher rate than standard filament winding • Resin matrix and fiber loading formulated to meet your property requirements • Tubing in standard or customized diameters and lengths STANDARD SIZES http://www.polyone.com/content/product-selection-help-form To learn more about Avient advanced composite solutions, call +1.844.4AVIENT or visit www.avient.com/composites Copyright © 2020, Avient Corporation.

Using GlasArmor panels, Ballisti-Wall® and Ballisti- Cover® solutions enable utility companies to add a superior level of protection to critical components and meet FERC security requirements within a modular, adaptable construction. 1 https://www.nbcnews.com/news/us-news/three-substations- attacked-washington-state-rcna63214 2 https://www.ferc.gov/sites/default/files/2020-04/E-4_10.pdf © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Avient’s advanced composite solutions, visit www.avient.com/composites. https://www.nbcnews.com/news/us-news/three-substations-attacked-washington-state-rcna63214 https://www.nbcnews.com/news/us-news/three-substations-attacked-washington-state-rcna63214 https://www.ferc.gov/sites/default/files/2020-04/E-4_10.pdf http://www.avient.com/composites

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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 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-traffickingstatement 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. 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