They are available in certified USP Class VI and ISO 10993 compositions. To access PolyOne’s news library online, please go to www.avient.com/news. Avient Announces Quarterly Dividend...

To check this certificate validity, please call + 33(0) 1 41 97 00 60. AVIENT BELGIUM 2, RUE MELVILLE WILSON 5330 ASSESSE- BELGIUM Bureau Veritas Certification France certify that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standard detailed below: Standard ISO 14001 : 2015 Scope of certification DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND SPECIALITY COMPOUNDS. Certification cycle start date: 22 February 2023 Subject to the continued satisfactory operation of the organization’s Management System, this certificate expires on: 10 January 2026 Expiry date of previous cycle: : 10 January 2023 Certification audit date: 21 November 2022 Original certification date: 11 January 2017

Avient follows the ISO 14067:2018 standard to calculate PCF values and utilizes global formulation expertise, green manufacturing processes, and sourcing & logistics competence to achieve such low or negative values.   Our shared commitment to sustainability motivates us to develop products that solve those challenges,” said Matt Mitchell, director, global marketing of Specialty Engineered Materials at Avient. To access Avient’s news library online, please visit www.avient.com/news.  

WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 10 ABS Quality Evaluations Avient Corporation RC14001®:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. Facility: Avient Corporation - Global Headquarters - Avon Lake, OH 33587 Walker Road Avon Lake, OH 44012 U.S.A. Activity: Design and Manufacture of Colorants and Additives for Plastics Page 6 of 10 ABS Quality Evaluations Avient Corporation RC14001®:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Transcend Premier Healthcare Colorants are available globally. They are tested to ISO 10993 standards, and can be customized with the addition of functional additives to enhance product performance. To access Avient's news library online, please visit www.avient.com/news

Homepage // News Center // Avient Showcases New Sustainable Solutions and Recent Compliance Certifications at ITMA 2023 Avient’s Taoyuan production site in Taiwan recently achieved full compliance with the Global Recycled Standard (GRS) 4.0. To access Avient's news library online, please visit www.avient.com/news.    

Avient PCF values are determined using its PCF Calculator, which is certified by TÜV Rheinland and meets the ISO 14067:2018 standard.   These latest super tough Nymax REC grades are manufactured in North America and commercially available globally. To access Avient's news library online, please visit www.avient.com/news.    

MEVOPUR medical-grade materials are produced according to ISO13485-2016 protocols and supported by testing to ISO 10993-1, USP, European Pharmacopeia and ICH Q3D guidelines. About Avient To access Avient's news library online, please visit www.avient.com/news.

Tested to ISO 10993 Browse our library of product data sheets containing technical descriptions and details. Browse and download our literature to learn more about Avient solutions and services.

GenericCertificate_NewLayout Certificate TH15/8915 The management system of Avient (Thailand) Co., Ltd. 79 Moo 11, Soi Kingthong, Kingkaew Road, Rachatewa, Bangplee, Samutprakarn, 10540, Thailand This document is an authentic electronic certificate for Client’ business purposes use only. Page 1 / 1 has been assessed and certified as meeting the requirements of ISO 14001:2015 For the following activities The Design and Manufacturing of Plastic Color Concentrated, Plastic Additive Concentrated and Pigment Powder for Thermoplastic & Rubber Industries. Certified since 06 September 2008 Jonathan Hall Global Head - Certification Services Authorised by SGS United Kingdom Ltd Rossmore Business Park, Ellesmere Port, Cheshire, CH65 3EN, UK t +44 (0)151 350-6666 - www.sgs.com https://www.sgs.com/en/terms-and-conditions/