Certificate of Amendment Loi canadienne sur les sociétés par actionsCanada Business Corporations Act Certificat de modification Avient Colorants Canada Inc. 942266-8 Corporate name / Dénomination sociale Corporation number / Numéro de société Raymond Edwards Date of amendment (YYYY-MM-DD) Date de modification (AAAA-MM-JJ) Director / Directeur 2021-01-15 I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attached articles of amendment. Corporation number Numéro de la société 2 942266-8 The articles are amended as follows Les statuts sont modifiés de la façon suivante 3 The corporation changes its name to: La dénomination sociale est modifiée pour : Avient Colorants Canada Inc. James Original signed by / Original signé par 4 Declaration: I certify that I am a director or an officer of the corporation.

Unified social credit code: 91320412MA1NMF5W4P is in conformity with Quality Management System Standard: GB/T19001-2016 / ISO9001:2015 The certificate is valid to the following product(s)/service: Textile (Yarn), Glass Products (Yarn) Coating Processing Registration Address/ Physical Address: R&D Workshop 5, No. 8, Lanxiang Road, West Taihu Science and Technology Industrial Park, Changzhou City, Jiangsu Province, P.

CARPET PRODUCER N Y L O N C A R P E T • Antimicrobial effectiveness for residential and hospital carpets • Suitable for Bulked Continuous Filament (BCF) processed polyamide (nylon) • Limited impact on color • Quick development to address growing market needs for hygienic surface coverings • Developed efficient antimicrobial solution adapted to BCF processing for high-quality yarns • Reduced risk of discoloration with a smartbatch alternative • Leveraged global capabilities to offer quick development, trials and production quantities • Cesa™ Fiber Additives – antimicrobial additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ANTIMICROBIAL EFFECTIVENESS LEARN MORE Copyright © 2023, Avient Corporation.

EYEWEAR BRAND S U N G L A S S F R A M E S • Can float on water • Excellent surface with low flash • Compatible with secondary painting process • Formulated a 0.82g/cm³ density material for lightweight performance that allowed the frames to float on water even after painting • Enabled excellent surface by addressing the typical flashing edge problems • Delivered a paintable material to support brand identity and convey value • Dedicated on-site support to ensure the density performance during secondary painting processing Edgetek™ LD Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LOW DENSITY + EXCELLENT SURFACE LEARN MORE Copyright © 2022, Avient Corporation.

This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 4.2 Each container label will show: 4.2.1 Customer Part No. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 6.0 CUSTOMER AUDIT 6.1 Customer may request to visit and inspect NEU’s facility relating in the manufacture of product.

This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 4.1.5 Packaging may include a liner or pallet based on the configuration. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 5.5 Regulatory Documents: A document referencing the then-current regulatory status of the applicable product(s) at the time of shipment.

Microsoft Word - EHS Committee Charter (Amended July 2022).doc AVIENT CORPORATION ENVIRONMENTAL, HEALTH AND SAFETY COMMITTEE CHARTER Membership • Members of the Environmental, Health and Safety Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will be appointed by the Board each year. • Each Committee member will serve at the pleasure of the Board for such term as the Board may decide. Committee Meetings and Action • A majority of the Committee members will be a quorum for the transaction of business. • The action of a majority of those present at a meeting at which a quorum is present will be the act of the Committee. • Any action that may be taken at a meeting of the Committee may be taken by written consent so long as the written consent is unanimously approved and filed with the Corporate Secretary. • The Company’s Senior Vice President, Global Operations and Process Improvement or his/her designee, will be the management liaison to the Committee. • The Committee may appoint subcommittees from time to time as needed, and may delegate authority to such subcommittees or to officers of the Company when appropriate, consistent with applicable laws, regulations and listing standards. • The Corporate Secretary or his/her designee shall be responsible for keeping minutes of the Committee meetings. • The Committee will meet at least two times a year and at such other times as may be requested by its Chair. 3 • The Committee will annually review its charter and recommend any changes to the Governance and Corporate Responsibility Committee.

KEY CHARACTERISTICS • Patented next-gen formulation that can preserve visual clarity and aesthetics in applications using recycled content • Reduces bacterial, mold, and fungal growth on the surface and through the thickness of the plastic part • Helps reduce odor, staining, discoloration, and loss of mechanical properties • Available for various processes including extrusion, injection molding, blow molding, rotational molding, and thermoforming MARKETS & APPLICATIONS These antimicrobial additives are well-suited for clear polycarbonate or plexiglass applications using recycled resin including: • Electronics • Packaging • Consumer goods • Protective shields and sneeze guards • Plexiglass windows or panels • Clear phone or tablet cases • Modular office construction • Point-of-purchase screens • Touchscreen information kiosks • Transportation infotainment screens 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

APPLICATIONS Cesa Fiber Additives for flame retardancy are recommended for spun-dyed PP, PET and PA fibers used in applications such as automotive textiles, home and office furnishings, clothing, and carpeting. KEY BENEFITS • Very good compatibility and dispersibility • Durable fire resistance with limited to no impact on color • Fire resistance and spinnability tested for efficacy in our labs • Can be combined with colors and with other additives (e.g., light stabilizers) into a single product for convenience PRODUCT BULLETIN Copyright © 2022, Avient Corporation.

PolyOne Corporation is a member of the U.S. To ensure mutually beneficial and productive relationships, PolyOne asks all suppliers to adhere to our safety procedures and security policies within our manufacturing plants, distribution centers, as well as our sales, regional, or corporate offices. George Inglis Jr., VP, Internal Audit and Corporate Ethics Officer Sustainability Report | 2018 79 Enterprise Risk Management (ERM) The ERM process is collaborative across PolyOne’s functions in order to identify PolyOne’s risks.