Includes estimated full year performance of APM acquisition ** 2019 baseline data revised to account for acquisition pro-forma performance and divestitures ¹Refer to CDP Climate Change Report for finalized Energy/Emissions information at https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report  ⁴Certificates can be found at https://www.avient.com/company/policies-and-governance/global-iso-certificate-library

The webcast can be viewed at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/ko4y5g9z.

LEARN MORE https://www.avient.com/products/polymer-colorants/liquid-color-concentrates

Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m. For more information, visit https://www.avient.com.

¹https://www.erdc.usace.army.mil/Missions/Military-Engineering/Deployable-Force-Protection-Demo/ 

https://www.grandviewresearch.com/industry-analysis/synthetic-fibers-market

For more information, visit https://www.avient.com.  

To access PolyOne’s news library online, please go to http://www.polyone.com/news

For more information, visit https://www.avient.com.  

For more information, visit https://www.avient.com.