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. This is to certify that the Quality Management System of: Avient Corporation Avient Corporation - Glendale, AZ 7601 North Glen Harbor Blvd. ISO 13485:2016 The Quality Management System is applicable to: Certificate No: 65567 Effective Date: 08 September 2023 Expiration Date: 07 September 2026 Revision Date: 08 September 2023 Dominic Townsend, President This certificate may be found on the ABS QE Website (www.abs-qe.com).

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. This is to certify that the Quality Management System of: NEU Specialty Engineered Materials 15 Corporate Drive North Haven, CT 06473 U.S.A. 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).

MSC Certificate Place and date: For the issuing office: Shanghai, 12 June 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning DistrictShanghai China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 462307-2021-AQ-RGC-RvA Initial certification date: 23 June 2021 Valid: 24 June 2024 – 23 June 2027 This is to certify that the management system of Avient China Company Limited No. 188, Quanzhou Road, Zhongxin Suchu High-Tech Industrial Development Park, Chuzhou, Anhui, China has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Color Concentrates, Filling Concentrates and Additive Concentrates http://www.dnv.com/assurance

HOLGER KRONIMUS Vice President, Europe General Manager, Engineered Materials Europe Holger Kronimus is Vice President, Europe, and General Manager, Specialty Engineered Materials Europe at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Kronimus served as International Controller and Finance Director as well as other positions of financial, commercial and plant management in Avient’s Color, Additives & Ink business unit. Kronimus earned a Bachelor’s degree in Business Administration and Computer Science from the University of Cologne in Cologne and a master’s degree in Global Management from Europäische Wirtschaftsakademie in Berlin.

SHEET RAW MATERIAL SUPPLIERS PET BOTTLE PET PREFORM THERMOFORMERS BRAND OWNERS RETAILERS CONSUMERS LOCAL WASTE MANAGEMENT SORTING COMPANIES RECYCLING COMPANIES REGULATION BODIES NIAS COMPLIANT Why is PET so Popular? STAGE SOLUTION CAPABILITIES Polymer Recycling ColorMatrix™ rePrize™ - Increases intrinsic viscosity to enhance use of recycled PET - Reduces yellowing and decontamination Materials Selection ColorMatrix™ Joule™ RHB - Reduces the energy required and costs - Ensures minimal yellowing and light-weighting Preform Molding ColorMatrix™ AAzure™ - Reduces yellowing and acetaldehyde levels for improved bottled strength Preform Molding ColorWorks™ - Provides a range of possible colors for end products based on the color of the rPET available for use Preform Molding Rejoin™ PCR Masterbatch - Combines pigments and functional additives with a 100% PCR carrier for polyolefins - Enables packaging that is 100% PCR Bottle Blowing & Filling ColorMatrix™ Optica™ - Excellent acid & thermal stability to reduce yellowing and create a haze-free container Bottle Blowing & Filling ColorMatrix™ Smartheat RHC™ Process Aid - Optimizes weight distribution to increase bottle strength and quality - Reduces energy required and costs Sales, Distribution, ColorMatrix™ Amosorb™ - Scavenges oxygen to extend the shelf life and preserve the freshness of food or beverages within container Sales, Distribution, ColorMatrix™ Ultimate™ UV - Blocks ultraviolet light transmission to protect the container and its contents - Enables light-weighting Sales, Distribution, ColorMatrix™ Lactra™ - High-performance light blocking that extends the shelf life of light-sensitive dairy products Taking the Next Steps Move Your Sustainability to the Next Level Because sustainable material solutions and technology are evolving at the speed of life, it takes fresh thinking, agile R & D, and imaginative use of next-generation materials to bring life-changing products to market safely and quickly.

Microsoft Word - PolyOne India Terms and Conditions of Sale of Products.052716.doc TERMS AND CONDITIONS These Terms and Conditions apply to the sale of Products by PolyOne Corporation and its subsidiaries. 1. These Terms and Conditions apply to all sales by PolyOne Corporation and its affiliated companies. UN Convention The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to transactions under this contract. 15.

Review and approve the terms of all employment agreements, management continuity agreements and change in control agreements for elected officers. 3 Non-employee Director Compensation The Company’s Chief Human Resources Officer will be the management liaison to the Committee with respect to matters concerning compensation and benefits The Committee may invite such members of management to its meetings as it deems appropriate.

Discuss with management the Company’s major financial risk exposures and the steps management has taken to monitor and control such exposures, including the Company’s risk assessment and risk management policies. 7. Obtain material written communications between the independent auditor and management, including, but not limited to, the management letter and schedule of unadjusted differences. 11. Review reports to management and the Audit Committee related to on-going assessments of the Company’s risk management processes and system of internal control, including risk oversight related to cyber-security and data protection. 3.

Global Chemical Management Policy AVIENT CORPORATION AND SUBSIDIARIES At Avient, we strive to conduct our business activities in a manner that is protective of health and the environment, while using a scientific and risk-based approach to chemical management. Given Avient’s unique location in the supply chain, we coordinate with and inform appropriate stakeholders throughout the value chain in order to facilitate their journey of safe chemical management. Following Avient’s internal procedures for identifying, reducing, and managing hazardous materials and substances of very high concern (SVHC) in our products

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. 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.