Des entrées trompeuses, incomplètes ou fausses dans les livres et registres d’Avient ne sont jamais acceptables. Tenir des livres, registres et des comptes suffisamment détaillés et refléter la transaction avec exactitude et justesse Effectuer des entrées trompeuses, incomplètes ou fausses dans les livres et registres d’Avient

Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 47804 Certification Date: 07 January 2013 Effective Date: 17 December 2018 Expiration Date: 06 January 2022 Issue Date: 17 December 2018 Alex Weisselberg, President This certificate may be found on the ABS QE Website (www.abs-qe.com). For certificates issued in the People's Republic of China information may also be verified on the CNCA website (www.cnca.gov.cn).

Robert Schmitt Certification Body This certificate is valid from: 20.05.2021 to: 19.05.2024 Certificate No.: 000461.1.E/21.R This is a sub-certificate of the PolyOne Deutschland GmbH, Certificate No.: 000461.E/21.R. Certificate The SKZ-Cert GmbH Zertifizierungen certifies to the company PolyOne Th.

China TEL: +86 21 32799000 Zhu Hai Ming M anagement Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. Park, Pudong, 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: ISO 9001:2015/GB/T 19001-2016 This certificate is valid for the following scope: Design and Manufacture of Masterbatch C ertificate N o: 7 071-1998-AQ-RGC-RvA P lac e and date: Shanghai, 3 0 M arch, 2 0 18 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31102922689. assurance. dnvgl.com Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne-Shanghai, C hina No. 88, Guo Shou Jing Road, Z.

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. Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. 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.

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. Printed version of the electronic certificate are permitted and will be considered as a copy. This certificate is valid from 06 August 2023 until 06 August 2026 and remains valid subject to satisfactory surveillance audits.

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In the event of a conflict between this Quality Commitment and any mutually agreed specifications or quality agreement that is executed by NEU, the mutually agreed specifications or signed quality document shall control. 1.0 PRODUCT DESCRIPTION Thermoplastic material in pellet form. 2.0 TEST METHODS NEU test methods are modeled after ASTM testing standards, where applicable. 3.0 OPERATIONAL DEFINTIONS 3.1 Lot (Batch): Material manufactured at one time. 3.2 Blend: No more than three lots of a specific raw material, combined together to form a homogeneous mixture. 3.2.1 Full lot tractability of non-proprietary formulations will be reflected on the COC 3.3 Certification: “Certificate of Conformance” or “Certificate of Analysis” based material requirements 3.4 Certificate of Analysis: Document containing information that the product conforms to the established Product Specifications. 3.5 Certificate of Conformance: Document containing confirmation that the product conforms to the defined formulation. 3.6 Finished Product Form: Finished product shape (Cylindrical, Spherical) 3.7 Product Specification: the product specifications that are contained in a written document signed by NEU, or if such document does not exist, the Certificate of Analysis or Certificate of Conformance issued by NEU. 4.0 PACKAGING 4.1 Standard product packaging options include: 4.1.1 Drum 4.1.2 Gaylord 4.1.3 Pail 4.1.4 Individual bag in box Approved Plant/Local : Reference Document Document #: DOC-10815 Revision: 3 Document Owners: Dean Clark Effective Date: Oct 29, 2020 Title: NEU Quality Commitment Page 2 of 4 Only the electronic version of this document in ETQ is the controlled version of the document. as applicable) 4.2.2 Customer Description 4.2.3 Manufacturer’s Product Code 4.2.4 Manufacturer's Lot Number 4.2.5 Quantity and Units (Example 25 lbs.) 4.2.6 Company Name 4.2.7 Date of Manufacture 4.2.8 Expiration Date (as applicable) 5.0 SUPPORTING DOCUMENTATION 5.1 Certification: Each shipment of product will be accompanied by a Certification that, at the time of shipment, the material conforms to the Product Specifications. 5.1.1 Certification document will include: 5.1.1.1 Customer Part Number 5.1.1.2 Customer Purchase Order Number 5.1.1.3 Customer Material Description 5.1.1.4 Manufacturer's Lot Number 5.1.1.5 Total quantity shipped (with units) 5.1.1.6 Test values (as applicable) 5.1.2 Certification will be sent with each product shipment, addressed to the Customer’s shipping location and/or electronically sent to appropriate Customer contact. 5.1.3 The Certification document may contain test values conducted by NEU on the product for those characteristics listed under certification. 5.2 Safety Data Sheets: A Safety Data Sheet will be made available upon request or may be available on NEU’s website.

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ECert.pdf Page 1 of 2 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 39913 Effective Date: 30 November 2017 Expiration Date: 29 November 2020 Issue Date: 30 November 2017 IATF No: 0280241 Alex Weisselberg, President DESIGN AND MANUFACTURE OF COLOR CONCENTRATES (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 2 ABS Quality Evaluations PolyOne Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.