It conducts cutting-edge research to solve fundamental issues in mechanical recycling.   Important information about the health, safety and environmental impacts of Avient products. Browse and download our literature to learn more about Avient solutions and services.

Other (see instructions) 4 Exemptions (codes apply only to certain entities, not individuals; see instructions on page 3): Exempt payee code (if any) Exemption from FATCA reporting code (if any) (Applies to accounts maintained outside the U.S.) 5 Address (number, street, and apt. or suite no.) The FATCA code(s) entered on this form (if any) indicating that I am exempt from FATCA reporting is correct. No. 10231X Form W-9 (Rev. 10-2018) AVIENT CORPORATION ✔ 5 D 33587 WALKER ROAD AVON LAKE, OH 44012 3 4 1 7 3 0 4 8 8 7/20/2020

THE IMPACT Avient was able to reduce lead time on these newly developed additives by a week versus the original supplier, enabling this customer to better manage and control inventory levels. Finally, Avient’s willingness and ability to conduct and provide testing results saved the customer time and money. In fact, this customer did not have the capability to design tests or perform them, and its previous supplier didn’t share any information.

1 How to manage Purchase Orders through the Coupa Supplier Portal (CSP) Suppliers Guide For Avient Suppliers The Coupa Supplier Portal (CSP) is a no-cost tool for suppliers that makes working with your clients, such as Avient, easier and smoother. In this training guide specific to Avient suppliers, we will define: ➢ How to view and manage Avient POs through the CSP ➢ How to view PO lines ➢ How to add shipment tracking information to a PO ➢ How to view and manage Advanced Shipment Notifications (ASN) ➢ How to create costume views for reports View and manage POs Click on the Orders tab on the main menu. Items List of items on the PO Unanswered Comments Your comments on the PO for Avient as well as Avient's comments that you need to respond to.

We depend on integrated information systems to conduct our business, including communicating with employees and customers, ordering and managing materials from suppliers, shipping products to customers, and analyzing and reporting results of operations. Avient has adopted a code of ethics that applies to its principal executive officer, principal financial officer and principal accounting officer. Avient’s code of ethics is posted under the Corporate Governance tab of the Investor Relations page of its website at www.avient.com.

Versatile, corrosion resistant and conductive with excellent EMI shielding Important information about the health, safety and environmental impacts of Avient products. Browse and download our literature to learn more about Avient solutions and services.

5 Table des matières Vos responsabilités • Connaître et respecter le Code et toutes les lois, règlements et politiques qui s’appliquent à votre travail chez Avient Aider ses associés à se conformer aux exigences du Code en leur fournissant des conseils sur le Code et les valeurs d’Avient Violations du code Nous prenons très au sérieux les violations de notre Code.

Est-il cohérent avec le Code et les valeurs d’Avient ? Aidez vos collaborateurs à respecter les exigences du Code, en fournissant une orientation sur le Code et les valeurs d’Avient Violations du code Nous prenons très au sérieux les violations de notre Code.

To better evaluate how to protect plastic parts from microbial attack, Avient conducted a study to screen a variety of plastic substrates for susceptibility using American Society for Testing and Materials (ASTM) G21 (fungi susceptibility), Japanese Industrial Standard (JIS) Z2801, and modified ASTM E1428-15a (bacterial susceptibility) test standards.

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