In millions, except per share data) In millions, except per share data) In millions, except per share data)

FRIEDRICHSHAFEN, Germany – October 15, 2024 – Avient Corporation will exhibit its latest sustainable and specialized materials solutions and services for the plastics industry, including two new product launches, at the 29th Fakuma International Trade Fair for Plastics Processing, held today through October 19, 2024. They are available across multiple polymer systems, including PA6, PA66, PC, POM, PBT, PPS, and PK, and provide comparable performance to conventional internally lubricated grades (link to full press release here).

Many deniers & types available Nomex® Meta-Aramid Nomex® Meta-Aramid

DATA STO R AG E U N IT M A NUFAC TUR ER D A T A S T O R A G E C A R R I E R • Excellent dimensional stability • Good mechanical properties with excellent wear resistance • Flame retardant requirement – FRv0 compliance • UL certification • Provided a customized formulation to meet application-specific lubricity, physical and thermal requirements • Delivered on short lead times to help customer manage working capital LubriOne™ CY1000-000/5T FR V0 BLK001 Formulation KEY REQUIREMENTS WHY AVIENT? https://www.polyone.com/products/engineered-polymer-formulations/general-engineered-formulations/lubrione-internally-lubricated-formulations

The amounts and values for the facility(ies) identified below are accurate, based on reasonable estimates using available data.  I also acknowledge that the data will be made public. lang=En&n=62DA6A44-1 http://healthycanadians.gc.ca/index-eng.php http://www.voyage.gc.ca/index-eng.asp http://www.servicecanada.gc.ca/eng/home.shtml http://www.jobbank.gc.ca/intro-eng.aspx http://actionplan.gc.ca/eng/index.asp http://www.canada.gc.ca/home.html

The amounts and values for the facility(ies) identified below are accurate, based on reasonable estimates using available data.  I also acknowledge that the data will be made public. lang=En&n=62DA6A44-1 http://healthycanadians.gc.ca/index-eng.php http://www.voyage.gc.ca/index-eng.asp http://www.servicecanada.gc.ca/eng/home.shtml http://www.jobbank.gc.ca/intro-eng.aspx http://actionplan.gc.ca/eng/index.asp http://www.canada.gc.ca/home.html

Standard and Custom Availability Safety Data Sheets Technical Data Sheets

Metered lengths available for accuracy Safety Data Sheets Technical Data Sheets

Alternate package solutions are also available at the customer’s request. FRP FIBERS PROCESSES PRODUCTS MOVING HIGH PERFORMANCE FIBERS FORWARD This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com ABOUT FIBER-LINE® NOTICE: The information and data contained herein do not constitute sales specifications.

A recording of the webcast and the slide presentation will be available at avient.com/investors. In addition, a recording of the audio will be available for one week, beginning at 11:00 a.m. http://www.avient.com/investors https://edge.media-server.com/mmc/p/yrq7mgm9 https://edge.media-server.com/mmc/p/yrq7mgm9 http://www.avient.com/investors 3 Full Year Comparisons Pro Forma for Acquisition of Clariant’s Color Business The company acquired Clariant’s color (“Clariant Color”) business on July 1, 2020 (the “Acquisition Date”).