CLEVELAND– September 10, 2020 – At the virtual Composites and Advanced Materials Expo (CAMX), Avient Corporation will introduce new enhanced adhes SHANGHAI – August 26, 2020 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, will be exhibi CLEVELAND – June 24, 2020 – PolyOne today launched OnColor™ WC Choice, a new line of cost-effective colorants that reliably achieve the per

PolyOne Features a “More Than Materials” Approach for Medical Devices at MD&M West 2020 PolyOne Develops New Silicone-Alternative TPE for Medical Tubing PolyOne Reveals Palettes of Reflection in Color Inspiration 2021+

Check one box below and provide information as required: Complete the following information: Form 540 Prescribed by: POLYONE CORPORATION 1181191 1701.70(B)(6) Page 2 of 2Form 540 Last Revised: 06/2019 A copy of the resolution of amendment is attached to this document. Brown: Please be advised that the office of the Secretary of State has reviewed your pre- clearance request for the Certificate of Amendment for PolyOne Corporation. NOW, THEREFORE, BE IT RESOLVED, that, effective as of the time and date that the applicable certificate is accepted for filing by the Ohio Secretary of State (the “Effective Time”), the name of the Company shall be changed from “PolyOne Corporation” to “Avient Corporation.”

Walter Ripple, vice president of sustainability at Avient, said, “As one of the founding members of the Alliance to End Plastic Waste, Avient is committed to doing our part in advancing a circular economy through partnerships and innovation. NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joint together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe.  Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Event Type: Other Corporate Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More