Avient has a broad portfolio of sustainable solutions that can help customers meet their innovation and sustainable goals through material science. From storage tanks and conveyor belts to pipes and commercial equipment, strength, chemical resistance, and durability are vital to performance. At Avient, we can help you solve your toughest application challenges through the latest specialty polymer, colorant, and additive technologies.

September 27, 2022 Q3 2022 January 1, 2021

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. 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.”

Learning is ingrained in our culture and every Avient associate participates in training annually. There were no fees for audit-related services billed in 2022 or 2021. For 2022 and 2021, our non-PEO named executive officers were Jamie A.

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

May 26, 2021 A team of engineers from the supplier and the OEM met with Avient experts to look at possible polypropylene options. Working together, the supplier and Avient’s technical team also considered opportunities to optimize production.

June 30, 2021 June 30, 2021 Avient

It takes various forms, such as slavery, servitude, forced and compulsory labour and human trafficking, all of which have in common the deprivation of a person's liberty by another in order to exploit them for personal or commercial gain. A full copy of Avient’s Code of Conduct is available in over 20 languages and can be found here: Avient’s Position on Human Rights can be found here http://www.polyone.com/ https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf Page 2 of 3 Training To mitigate against the risk of non-compliance with our policy, Avient requires all associates to complete mandatory Code of Conduct training. Our procurement and compliance teams will continue to focus on identifying and addressing any potential risks in our supply chain and the business will continue to provide awareness and training to all of its employees.

Breaking news and information about Avient earnings, innovations, investor events, acquisitions, and the newest members of our team are available below, searchable by keyword and by date. Garratt as Chief Commercial Officer, Donald K. Avient Company Officers