Slide 4 - Adjusted Financial Information Recast for DSS Divestiture Reflects quarterly adjusted condensed financial data recast for DSS as a discontinued operation. Slide 5 - Business Segment and Data Recast for DSS Divestiture Reflects segment disclosures recast for DSS as a discontinued operation. Slide 6 - Non-GAAP Reconciliations Reflects a reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure for these recast historical financial results.

Keeping Safety First – and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. View original content to download multimedia:http://www.prnewswire.com/news-releases/polyone-completes-clariant-masterbatch-acquisition-announces-new-name-avient-corporation-301086507.html

Microsoft Word - Avient Announces First Quarter 2025 Results 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2025 Results • First quarter sales of $827 million, reflects 2% organic growth over the prior year quarter, excluding the impact of foreign exchange • First quarter GAAP EPS of ($0.22) compared to $0.54 in the prior year quarter • First quarter adjusted EPS of $0.76, in-line with guidance; growth of 4% over the prior year quarter, excluding an unfavorable impact of $0.03 from foreign exchange • 2025 full year adjusted EPS guidance range of $2.70 to $2.94, unchanged from prior guidance CLEVELAND – May 6, 2025 – Avient Corporation (NYSE: AVNT), an innovator of materials solutions, today announced its first quarter results for 2025. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. Visit www.avient.com to learn more. 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

Adjusted amounts exclude the impact of special items (see definition below and slide 9 for a summary). Slide 5 - Segment Data Recast for Avient Distribution as a Discontinued Operation Reflects segment data recast for Avient Distribution as a discontinued operation. Slide 9 – Special Items Detail Summary of special items detail.

Designed to improve driver and passenger safety and comfort, this new leading-edge TPE technology reduces volatile organic compounds (VOCs) by 50 percent and minimizes fogging and odor in interior automotive components.  Photo Credit: ©ThinkStockPhotos.com Caption: Designed to improve driver and passenger safety and comfort, OnFlex™ LO slashes volatile organic compounds (VOCs) by 50 percent. http://www.ecocenter.org/article/news-ecolink-press-releases/new-ecology-center-guide-toxic-chemicals-cars-helps-consumers

Safety This includes equipment security, fire prevention, and overall user safety. Incorporating flame retardant additives can help mitigate fire hazards by increasing the ignition resistance of plastics, reducing the speed of flame spread, reducing heat release, and reducing smoke and fume generation.

Safety This includes equipment security, fire prevention, and overall user safety. Incorporating flame retardant additives can help mitigate fire hazards by increasing the ignition resistance of plastics, reducing the speed of flame spread, reducing heat release, and reducing smoke and fume generation.

As part of that effort, it entered the National Partnership for Environmental Priorities program, which encourages organizations to form voluntary partnerships with the EPA to reduce the use and release of 31 priority chemicals, including lead. Improved safety and easier handling: Kalas was able to reduce health and safety risks to its workers from lead exposure, while also eliminating the costs of handling, monitoring and reporting these regulated materials.

Safety This includes equipment security, fire prevention, and overall user safety. Incorporating flame retardant additives can help mitigate fire hazards by increasing the ignition resistance of plastics, reducing the speed of flame spread, reducing heat release, and reducing smoke and fume generation.

These new orange colorants, developed as part of Avient’s OnColor portfolio, can help improve the heat and long-term color stability of cautionary, orange-colored polymers in both engineering and general-purpose plastics with no or limited adverse effects on mechanical properties or flame retardancy and can also be customized for laser marking (link to full press release here).   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).   Colorant Chromatics™ Transcend™ Premier Healthcare Colorants: high-temperature solutions offered in pre-colored or concentrate form in a range of vivid opaque and transparent colors that are fully bio-compatible per ISO 10993 standards to provide ultra-high-heat resistance and performance without compromising safety