Avient Corporation Corporate Governance Guidelines The Board of Directors (the “Board”) of Avient Corporation (the “Company”) has adopted the following Corporate Governance Guidelines (the “Guidelines”). In addition, the Board shall determine that a director is not independent if the director: A. March 6, 2024 Avient Corporation Corporate Governance Guidelines 1.

THE SOLUTION While researching other possibilities online, the company found Avient and requested additional information on its thermoplastic elastomers (TPEs). While evaluating several grades, the accessories company worked with Avient’s global color and additives group to develop a glow-in-the- dark solution. In addition to providing a custom green shade, Avient’s engineers had to ensure the glow-in-the- dark effect could match dedicated gamers’ extended periods of play.

Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 26 Capex / Revenue 2022E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 3 3 4 3 3 5 5 5 7 7 7 A vi e nt A vi e nt ( E xc l. We are Avient. In addition, operating income before the effect of special items is a component of Avient’s annual and long-term employee incentive plans and is used in debt covenant computations.

Avient shall communicate additional requirements regarding automotive (IATF 16949) and healthcare (ISO 13485) applications based on the raw material’s end-use application. Any additional Avient business unit/site-level-specific design, development, and shipping requirements not covered within this SQM shall be communicated to and agreed upon with the supplier. 4.2 Nonconforming Material, Containment, and Supplier Corrective Action If an Avient facility or customer receive defective product, Avient shall notify the supplier of the nonconformance. Supplier containment shall take place without undue delay to avoid additional defective material shipment.

ColorMatrix™ Amosorb™ 4020L Shelf Life Extender O2 Scavenging Additive PRODUCT BULLETIN Contact Avient for specific clearances and use conditions. The additive is designed for use with recycled PET (rPET) and delivers full oxygen scavenging performance with up to 100% rPET content. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.