About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media Contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com    Company Officers

Experts from Avient will be on hand to help wire and cable customers address the complex and demanding needs of solar, telecommunications and transportation applications with its unique portfolio of materials including low smoke and fume non-halogen (LSFOH) polymers, functional additives, colorants, engineered fibers and yarns. Media contact Nicole DeChant Avient Corporation Nicole.Dechant@Avient.com Company Officers

About the Alliance to End Plastic Waste The Alliance to End Plastic Waste is an international nonprofit organization partnering with government, environmental and economic development NGOs and communities around the world to address the challenge to end plastic waste in the environment. Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

Addressing this need, Trilliant™ HC Healthcare Formulations series HC8910 and HC8920 are formulated to help OEMs deliver more durable medical devices and equipment while reducing the risk of potential mechanical failure caused by repeated disinfection. Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Company Officers

CLEVELAND – April 14, 2023 – Today, Avient Corporation announced the launch of its newly upgraded, advanced computer-aided engineering (CAE) capabilities. Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Company Officers

To address consumer OEM needs and help OEMs reach their sustainability goals, we’ve developed a new global product line produced in North America, Europe, and Asia, offering a more sustainable alternative to virgin TPE grades. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Company Officers

This includes addressing major world crises and finding one’s happiness.  Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Company Officers

Sanders Senior Vice President, General Counsel, Secretary and Corporate Ethics Officer Leslie M. Jellison Retired Vice President, Chief Financial Officer, Stryker Corporation Committees: 1*, 3 Ashish K. President and Chief Executive Officer, Avient Corporation Committee: 3 Sandra B.

Page 1 of 5 https://abs.zertic.com https://abs.zertic.com RC14001®:2023 Certificate Of Conformance ANNEX Certificate No: 65536 Avient Corporation At the below facilities FACILITY NAME FACILITY ACTIVITY ADDRESS Avient Corporation Avon Lake Corporate Responsible Care Corporate Support Activities in Sr. Toluca 2000 Toluca Estado de México 50200 Mexico RC14001®:2023 Certificate Of Conformance ANNEX Certificate No: 65536 Avient Corporation At the below facilities FACILITY NAME FACILITY ACTIVITY ADDRESS Copyright as of the Effective Date, ABS Quality Evaluations, Inc. Unit 3 Dodworth Business Park, Dodworth Barnsley South Yorkshire S75 3SP United Kingdom RC14001®:2023 Certificate Of Conformance ANNEX Certificate No: 65536 Avient Corporation At the below facilities FACILITY NAME FACILITY ACTIVITY ADDRESS Copyright as of the Effective Date, ABS Quality Evaluations, Inc.

The SDGs address global environmental, social and economic issues and blueprint the path to a more sustainable future. Avery Dennison Corporation FMC Corporation The Scotts Miracle-Gro Company Cabot Corporation H.B. Management Continuity Agreements We have entered into Continuity Agreements with all of our elected corporate officers, including each of the Named Executive Officers.