CASE STUDY: GORDON™ COMPOSITES UNIDIRECTIONAL LAMINATES WILLOWWOOD MEETS PROSTHETIC PATIENT NEEDS WITH ADVANCED COMPOSITES To learn more, please contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. When developing a more flexible prosthetic foot for low- activity amputees, WillowWood approached the Avient advanced composites group for help improving the experience of end-users. © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012

To learn more, contact Avient at +1.844.4AVIENT (844.428.4368). THE SOLUTION The Avient technical team leveraged its expertise in liquid colorants and chemical additives to scientifically engineer its line of ColorMatrix™ Excelite™ chemical foaming additives (CFAs) for PVC processing. When coupled with customized metering equipment from Avient, processors were able to achieve uniform distribution of active CFA content.

Microsoft Word - IATF 16949 North Baltimore[80].doc ABS Quality Evaluations Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation Engineered Materials Division Avient Corporation 733 E. Page 1 of 2 ABS Quality Evaluations IATF 16949:2016 Certificate Of Conformance ANNEX Certificate No: IATF No: 38972 0422162 Avient Corporation Engineered Materials Division At Below Facilities: Facility: Corporate 33587 Walker Road Avon Lake, OH 44012 U.S.A.

Vinod Purayath is Senior Vice President and Chief Technology Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Purayath joined Avient in 2021to lead the development of emerging, next-generation and sustainable technologies globally for the company. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com https://www.avient.com/

Para verificar la autenticidad de una representación impresa del mismo, ingrese este código en el sitio web www.diarioficial.cl DIARIO OFICIAL DE LA REPUBLICA DE CHILE Ministerio del Interior y Seguridad Pública V SECCIÓN CONSTITUCIONES, MODIFICACIONES Y DISOLUCIONES DE SOCIEDADES Y COOPERATIVAS Núm. 42.975 | Jueves 10 de Junio de 2021 | Página 1 de 1 Empresas y Cooperativas CVE 1958564 EXTRACTO   EDUARDO DIEZ MORELLO, Abogado, Notario Público, Titular de la 34ª Notaría de Santiago, con oficio en Luis Thayer Ojeda N° 359, comuna de Providencia, certifico: Que por escritura pública de fecha 31 de mayo de 2021, bajo el repertorio N° 8.412-2021, ante mí: En junta extraordinaria de accionistas de PERFORMANCE MASTERBATCHES (CHILE) SpA, inscrita a fojas 51.369 N° 25.460 del Registro de Comercio del Conservador de Bienes Raíces de Santiago correspondiente al año 2019 (la “Sociedad”), celebrada con fecha 28 de abril de 2021, Avient Switzerland GmbH, en su calidad de único accionista de la Sociedad, modificó el nombre o razón social de la Sociedad por “Avient Chile SpA”, reemplazando el artículo Primero de los estatutos por el siguiente: “ARTICULO PRIMERO: Se constituye una sociedad por acciones con el nombre de “AVIENT CHILE SpA”.

Schematic representation of creep mechanism; chain alignment and void formation in response to applied stress. 3© 2021 Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 There are several key factors which can influence the timeline to ESC failure: 1. In this study, Avient’s Trilliant™ HC8900 and Edgetek™ ET8900 thermoplastics were tested alongside competitive materials used for various medical and consumer device enclosures. - - 8© 2021 Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 Table 3B.

July 2024 POSITION ON BIODIVERSITY Avient Corporation is committed to ensuring our operations meet applicable regulations for performance, safety, and environmental due diligence. It is Avient’s expectations that our employees follow this policy and do their part to properly report environmental data, share ideas, and foster a culture around sustainability.

Certificate of Incorporation AVIENT NEW ZEALAND LIMITED 64590 NZBN: 9429040671338 This is to certify that HOECHST (NEW ZEALAND) LIMITED was incorporated under the Companies Act 1955 on the 3rd day of May 1963 and changed its name to HOECHST NEW ZEALAND LIMITED on the 30th day of January 1974 and was reregistered to become a company under the Companies Act 1993 on the 3rd day of April 1995 and changed its name to CLARIANT (NEW ZEALAND) LIMITED on the 27th day of June 1997 and changed its name to AVIENT NEW ZEALAND LIMITED on the 17th day of May 2021.

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Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.