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.

ECert.QECertificate 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: 38972 Effective Date: 04 September 2018 Expiration Date: 03 September 2021 Issue Date: 31 December 2018 IATF No: 0328156 Alex Weisselberg, President DESIGN AND MANUFACTURE OF CUSTOM PVC PLASTISOL AND PVC SLUSH MOLD POWDER (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.

ECert.QECertificate 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: 39032 Effective Date: 14 August 2018 Expiration Date: 13 August 2021 Issue Date: 17 August 2018 IATF No: 0322936 Alex Weisselberg, President MANUFACTURE, DESIGN AND SUPPLY OF PROPRIETARY THERMOPLASTIC COMPOUNDS, INCLUDING THE SUPPLY OF TOLL COMPOUNDING SERVICES (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.

ECert - 2020-11-17T151438.723.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: 58976 Effective Date: 08 February 2019 Expiration Date: 09 August 2022 Revision Date: 17 November 2020 IATF No: 0349837 Dominic Townsend, President DESIGN AND MANUFACTURE OF THERMOPLASTIC COMPOUNDS (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 Avient 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.

China TEL: +86 21 32799000 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31(0)102922689. www.dnvgl.com/assurance Certificate No: 1614-2000-AE-RGC-RvA Initial certification date: 23 May, 2000 Valid: 23 May, 2021 – 23 May, 2024 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, Pudong, Shanghai, China, 201203 has been found to conform to the Environmental Management System standard: ISO 14001:2015 This certificate is valid for the following scope: Design and Manufacture of Masterbatch

Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. 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. RC14001®:2015 Certificate No: 55334 Effective Date: 30 October 2017 Expiration Date: 29 October 2020 Issue Date: 30 October 2017 Alex Weisselberg, President DESIGN AND MANUFACTURE OF COLOR CONCENTRATES Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by:

In addition to all of these challenges, the local masterbatch supplier couldn’t provide the proper documents to certify the materials met Reduction of Hazardous Substances (RoHS) and Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) requirements.

Müller, CEO sqs.ch Swiss Made Member of Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland Appendix of main certificate H61173 Avient Switzerland GmbH Hauptstrasse 30 4127 Birsfelden Switzerland Central function Scope Norm / Revision Reg. no. H61173 Page 2 of 3 Validity 01. 03. 2025  – 29. 02. 2028 Issue 01. 03. 2025 The validity of this appendix depends on the validity of the main certificate. H61173 Page 3 of 3 Validity 01. 03. 2025  – 29. 02. 2028 Issue 01. 03. 2025 The validity of this appendix depends on the validity of the main certificate.

What Information We Collect The term “personal information” refers to any information that, alone or in combination with other information, directly or indirectly identifies you or can be associated with you, and that you have provided to us as part of your registration and application via this recruitment platform (i.e. your application and applicant profile). When applying for a position, you may provide personal information, including: • Identifiers and Contact Information such as your name, date of birth, home address, personal email, phone number, government Identifiers (such as your driving license and/or national identification number); • Log In Details, including your email address, username and password when you sign in to submit your application; https://avient.referrals.selectminds.com/ https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement mailto:HR@polyone.com • Protected Classifications, to the extent permitted by applicable law, such as your gender, race and ethnic origin; • Professional or Employment-Related Information, such as your resume or CV, employment background and history, job qualifications, the position for which you would like to submit an application, employment references, your current salary, bonuses, salary expectation or any other information you elect to provide, including information relating to any previous applications you may have submitted with us or any previous work experience with Avient, professional affiliations or memberships, and preferred start date; • Educational Information, such as educational background, your school transcripts, educational and training history, your English proficiency which may be required for certain positions, language and special competencies, certification information; and • Other personal information you choose to submit to us in connection with your application, such as contact information of references, information disclosed in an interview, or your personal situation In addition, as a part of the application process, you may be asked questions about your work authorization, and your willingness to submit to a background or criminal record check and/or medical examination as permitted by applicable law.

Media & Stakeholder Analyses {MSA} climate criteria) · The current and future focus is on continued Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) assessments, reclassifications and communication on the safe use and handling of these substances. In 2021, we successfully completed the pre-registration for UK REACH post Brexit