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New Colorant Chromatics™ Metallic Effect Pre-Colored Sulfone Formulations Launched by Avient Corporation at Fakuma 2024 To download a high-resolu Company Officers

CLEVELAND – PolyOne Corporation, a leading global provider of specialized polymer materials, services and solutions, is investing in its GSDI s Company Officers

POMMERLOCH, Luxembourg – November 16, 2022 – Avient Corporation today announced the launch of new Cesa™ fiber tracer concentrates specifically d Company Officers

Potential markets include lighter-weight adventure gear for outdoor recreation, next-generation vehicles that go further using fewer energy resources, and recycled-content office furnishings that contribute to LEED certification for buildings. 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. Company Officers

Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media Contacts Crandall Turner Avient Corporation Crandall.Turner@Avient.com Company Officers

Position of individual(s) Please explain Chief Executive Officer (CEO) Climate-related issues are the responsibility of Avient’s Chief Executive Officer (CEO), who has been a member of Avient’s Board of Directors (BOD) since 2014. Where in the organizational structure this position (s) and / or committee (s) lie: Corporate sustainability and climate-related issues are the responsibility of Avient’s highest- level officer, our Chairman, President and Chief Executive Officer (CEO), who is also a member of the Board of Directors. Job title Corresponding job category Row 1 VP Sustainability Chief Sustainability Officer (CSO) SC.

We established Avient’s 2030 Sustainability Goals to set clear expectations for our company related to climate change, product innovation, and overall corporate responsibility.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com http://www.avient.com/ http://www.avient.com/news mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com NEWS RELEASE

THE CHALLENGES Improving rPET Quality • Reduce yellowing, improve color and assure IV uniformity Enhancing Bottle Performance • Improve bottle strength, reduce acetaldehyde and minimize thread pulls & blowouts that cause high scrap rates Reducing Carbon Footprint • Reduce energy consumption and raw material usage while driving product efficiencies OUR SOLUTIONS Aligning our work with sustainability demands, we address those challenges for rPET producers, convertors and brand owners alike with technologies to improve both quality and performance, ensuring the recyclability of plastic packaging. We’ll work with you to address your challenges and help you in driving the circular economy, boosting recyclability and meeting your sustainability goals. 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.