Geon(TM) DB4987 BLACK LO TEMP LO GLOSS Geon(TM) VBX3577K BLACK PVC GEON W9300 NAT 0000

GEON L6256 WHITE 1320 VM2576-5B8 VBX3558 5B8 CHARCOAL BLK PVC GEON W9300 NAT 0000

GEON E-47 THERMO WHITE II PVC GEON W9300 NAT 0000

GEON L1555 GRAY GEON C8000 BLUE VAERTEK GREEN PVC

GEON L9630 WHITE 1134 GEON M3000 BLK 2880 Geon(TM) VBX3706 5B8 CHARCOAL BLACK PVC

ABS Quality Evaluations Certificate Of Conformance PolyOne Corporation 1260 Carden Farm Drive Clinton, TN 33716 U.S.A. has been assessed by ABS Quality Evaluations,Inc. and found to be in conformance with the requirements set forth by: RC14001®:2015 COMPOUNDING OF THERMOPLASTIC PRODUCTS Certificate No: 55287 Effective Date: 07 December 2017 Expiration Date: 06 December 2020 Issue Date: 07 December 2017 Alex Weisselberg, President 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. All rights reserved. http://www.abs-qe.com/cert_validation PolyOne Corporation has been assessed by ABS Quality Evaluations,Inc. and found to be in conformance with the requirements set forth by: Certificate No: 55287

Check one box below and provide information as required: Complete the following information: Form 540 Prescribed by: POLYONE CORPORATION 1181191 1701.70(B)(6) DOC ID ----> 202018203934 Page 2 of 2Form 540 Last Revised: 06/2019 A copy of the resolution of amendment is attached to this document. Brown: Please be advised that the office of the Secretary of State has reviewed your pre- clearance request for the Certificate of Amendment for PolyOne Corporation. NOW, THEREFORE, BE IT RESOLVED, that, effective as of the time and date that the applicable certificate is accepted for filing by the Ohio Secretary of State (the “Effective Time”), the name of the Company shall be changed from “PolyOne Corporation” to “Avient Corporation.”

ABS Quality Evaluations This is to certify that the Quality Management System of: PolyOne Corporation 80 North West Street Norwalk, OH 44857 U.S.A. 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.

ABS Quality Evaluations This is to certify that the Quality Management System of: PolyOne Corporation Plastics Compounds and Colorants Group 107 Jackson Street Dyersburg, TN 38024 U.S.A. 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.

It’s in this spirit that we joined legacy PolyOne and Clariant Masterbatch, two complementary businesses, and formed a new one that we’ve named Avient. Planet—Data excludes divested Performance Products and Solutions segment. 102–49 Changes in reporting PolyOne acquired Clariant Masterbatch on July 1, 2020 and combined to create the current company, Avient. Data and information from PolyOne's Performance Products and Solutions segment was not included as it was divested in 2019.