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

HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 36 https://www.greatplacetowork.com/certified-company/1120328 https://www.greatplacetowork.com/ https://www.newsweek.com/rankings/americas-most-responsible-companies-2023 https://www.newsweek.com/rankings/americas-most-responsible-companies-2023 https://www.barrons.com/lists-rankings/top-sustainable-companies? locale=en https://www.carbon-minds.com/ https://www.certipedia.com/quality_marks/0000084994? $20M+ For United Way Since 2007 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 63 https://www.unitedway.org/ http://www.fec.gov https://www.ohiosos.gov/?

Figure 12: Duration of use BMC Musculoskeletal Disorders 2021 22:186. https://doi.org/10.1186/s12891-021-04054-6 Figure 11: Duration of use Journal of Rehabilitation Medicine, 47 2 (2015): 154-60. https://doi.org/10.2340/16501977-1897 https://doi.org/10.1186/s12891-021-04054-6 https://doi.org/10.2340/16501977-1897 https://www.semanticscholar.org/paper/Hand-grip-fatigability-in-persons-with-multiple-to-Severijns-Lamers/834a2a4e4665c6e9f3d7513507807314d0214828 Ergonomic Grip Design Guide 11 Pre-production validation of the conceptual design is paramount in reducing the overall risk of the program. PART MODEL (GEOMETRY AND MESH) MATERIAL MODEL Steel hammer shaft Polymer hammer shaft Wood hammer shaft Figure 19: Material data Inputs * http://www.scielo.org.mx/pdf/remcf/v9n48/2007-1132-remcf-9-48-181-en.pdf ** https://www.westsystem.com/products/compare-epoxy-physical-properties/ http://www.scielo.org.mx/pdf/remcf/v9n48/2007-1132-remcf-9-48-181-en.pdf https://www.westsystem.com/products/compare-epoxy-physical-properties/ Ergonomic Grip Design Guide 19 After setting up the part and material models, the team determined applicable physics for the study. Figure 27: Mold flow fill analysis https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center HOW AVIENT CAN HELP We can help you improve the ergonomic properties of your handheld device to achieve greater usability, comfort, safety and satisfaction.

https://endplasticwaste.org/ Sustainability Report | 2021 7 https://www.there100.org https://endplasticwaste.org/ Avient Reaffirms Commitment to U.N. tab=progress-report http://endplasticwaste.org https://plasticsrecycling.org https://www.microfibreconsortium.com 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. $17.5M+ FOR UNITED WAY SINCE 2007 Sustainability Report | 2021 71 https://www.unitedway.org http://www.fec.gov https://www.ohiosos.gov/?

Any translations of this document shall be used for reference only.) 1/2 Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P Bureau Veritas Certification certify that the Quality Management System of the above organisation has been audited and found to be in accordance with the requirements of IATF 16949 - FIRST EDITION and the applicable customer specific requirements SCOPE Design and manufacturing PERMITTED EXCLUSION(S) None PRODUCT(S) DELIVERED colour with additive concentrates for thermoplastic resins and speciality compounds obtained by mixing and extrusion https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX Date Of Certification: 11 December 2024 Date Of Expiration: 10 December 2027 IATF Certificate N°: 0558656 Bureau Veritas Certification Certificate No: FR094003 - IATF Revision: 1 For Bureau Veritas Certification Holding, Tour ALTO, 4 place des saisons, 92400 COURBEVOIE – France (The official document is in English. Any translations of this document shall be used for reference only.) 2/2 Appendix to the Certificate of Approval AWARDED TO PolyOne France Tossiat Route de la vavrette, 01250, Tossiat - France IATF USI: LWZS4P REMOTE SUPPORT FUNCTION(S) NAME ADDRESS SCOPE AVIENT LUXEMBOURG 19, Route de bastogne, 9638, Pommerloch - Luxembourg IATF USI: GAZS9A Purchasing, Logistics, Supplier Management PolyOne Europe Logistics 7 Rue bleriot, 4460, Grace-Hollogne - Belgium IATF USI: P4WA4Y Warehousing Polyone Poland Ul. wschdnia 6, 99-300, Kutno - Poland IATF USI: C4W5ZL Logistics https://e-cer.bureauveritas.com/68LJQE0ZV0CO6I7YW0YSXOUMV9WWROQPHPI2AOHRRLFFVRAVTFVZGXKWIE3TOWLTTKEWCPQB9UNAPXHH6T0HXOMUEDVYPRPJLEXBBTKQYPBRICYOKY143TECQ5UMHGA3JX 2024-12-13T10:07:11+0100 Authenticity and Integrity

Park, China (Shanghai) Pilot Free Trade Zone, Shanghai, China 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Colour and Additive Concentrates http://www.dnv.com/assurance Certificate no.: 7071-1998-AQ-RGC-RvA Place and date: Shanghai, 20 March 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. Park, China (Shanghai) Pilot Free Trade Zone, Shanghai, China 201203 Design and Manufacture of Colour and Additive Concentrates http://www.dnv.com/assurance

Page 1 of 1 https://abs.zertic.com https://abs.zertic.com

To verify that this certificate is current, please refer to the SAI Global On-Line Certification Register: https://www.saiglobal.com/en-us/assurance/auditing_and_certification/certification_registry/ This is to certify that operates a which complies with the requirements of for the following scope of certification CERTIFICATE OF REGISTRATION Frank Camasta Global Head of Technical Services SAI Global Assurance http://www.qmi-saiglobal.com/qmi_companies http://www.qmi-saiglobal.com/qmi_companies

https://www.avient.com/sustainability 3 Webcast Details Avient will host a webcast on Thursday, July 27, 2023 at 8:00 a.m. https://www.avient.com/investors https://edge.media-server.com/mmc/p/d4zy5fep https://www.avient.com/investors https://register.vevent.com/register/BI2f6c5ad2bc1b4150b7f39a5b024d27cf https://www.avient.com/investors/events-presentations https://www.avient.com/news-events 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.

The webcast can be viewed at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/edkwvu9r.