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

Avient Segments We operate in two reportable segments: (1) Color, Additives and Inks and (2) Specialty Engineered Materials. Avient has two reportable segments: (1) Color, Additives and Inks and (2) Specialty Engineered Materials. Color and additive solutions include an innovative array of colors, special effects and performance-enhancing and sustainable solutions.

Senior management believes these measures are useful to investors because they allow for comparison to Avient's performance in prior period s without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude. In addition, operating income before the effect of special items is a component of Avient's annual incentive plans and is used in debt covenant computations. Senior management believes these measures are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in number and personal PIN. Senior management believes these measures are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude. In addition, operating income before the effect of special items is a component of Avient's annual incentive plans and is used in debt covenant computations.

Pigments and eye-catching special effects • Prompt, precise and custom color matching • Biocompatible functional additives • FDA CFR 21, USP VI, ISO 10993-X, and/or USP 661-X • ISO 13485 facilities Avient Corporation 5 4. WHY AVIENT? Avient Corporation 12

L E A D I N G P R O D U C E R O F C L O S U R E S F O R S P I R I T S L U X U R Y C L O S U R E S • Replace metal while providing metallic look and feel • Customization of density and color • Easy processing • FDA compliance • Replaced metal with a weighted polymer solution to maintain high-quality perception • Minimized the appearance of chips from everyday wear better than metal by matching closure interior and metalized coating colors • Enabled the customer to introduce their luxury closures to a new market segment Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION AESTHETICS + HAPTICS LEARN MORE Copyright © 2020, Avient Corporation. SOLUCIÓN AVIENT ESTÉTICA + SENSACIÓN TÁCTIL MÁS INFORMACIÓN Copyright © 2020, Avient Corporation.

As the world continues to shift from operating in a linear economy to a circular economy, Avient is proud to be a part of the solution. With resources like Cycleworks™ Innovation Center for Plastic Recycling and Color Prediction Service, Avient continues to strengthen our expertise to enable our customers to meet their sustainability commitments. How does Avient help reduce carbon footprint?

Color Cosmetics

Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and personal PIN. Senior management believes these measures are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude. In addition, operating income before the effect of special items is a component of Avient's annual incentive plans and is used in debt covenant computations.

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