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

He collaborates on communications for strategic company iniativies, as well as for business and functional strategy execution. Fisher College of Business at The Ohio State University.

RTF Template Place and date: For the issuing office: Shanghai, 19 March, 2021 DNV GL - Business Assurance Suite A, Building 9, No.1591 Hongqiao Road, Changning District, Shanghai 200336, P.R. ACCREDITED UNIT: DNV GL Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands.

If you need colors and surfaces that will appeal to picky toddlers, or sustainable products that will please even the most environmentally conscious of parents, you can count on us too. Learn how OnColor Brilliant Metallic Colorants produce a striking look for polymer parts (Chinese language version) Learn how OnColor Brilliant Metallic Colorants produce a striking look for polymer parts (English language version)

If authorized representative is a business entity, not an individual, then please print the business name in the "signature" box, an authorized representative of the business entity must sign in the "By" box and print their name in the "Print Name" box. James S T A T E OF O H I O C E R T I F I C A T E Ohio Secretary of State, Frank LaRose 4463782 It is hereby certified that the Secretary of State of Ohio has custody of the business records for and, that said business records show the filing and recording of: AVIENT CORPORATION United States of America State of Ohio Office of the Secretary of State Witness my hand and the seal of the Secretary of State at Columbus, Ohio this 23rd day of April, A.D. 2020. The fees are as follows: Expedite 1 $100 2 Business Days Expedite 2 $200 1 Business Day Expedite 3 $300 4 Business Hours 2.

Beggs joined Avient in August 2020 and has more than 20 years of experience in finance and business leadership roles in both public and private organizations with an emphasis on specialty materials and diverse end markets. She previously served as chief financial officer of Hunt Consolidated, Inc., a diversified holding company whose businesses served many industries including energy, real estate and private investments. Prior to Hunt, she worked for Celanese Corporation, where she served in a variety of finance and business positions, including vice president and corporate treasurer, and earlier as chief financial officer of the materials solutions business.

They provide us with unique opportunities for exploration, enabling us to venture into new territories and expand our horizons.

When you work with us, our experts can provide you with additional resources and value-added services that expand your product development and manufacturing capabilities. Bring us your challenges.

They are available for processes including extrusion, injection molding, blow molding, rotational molding and thermoforming. 1. https://www2.deloitte.com/us/en/pages/technology-media-and- telecommunications/articles/global-mobile-consumer-survey-us-edition.html 2. https://cals.arizona.edu/news/why-your-cellphone-has-more-germs-toilet www.avient.com Copyright © 2020, Avient Corporation.

© 2021, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about OnFlex™ S HF, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit us at avient.com. Based on current market data, this translates to potential increased sales revenue of as much as €150,000 ($225,000 US).