In closing, I would like to thank our shareholders for your support and trust over the years. Our filings are available to the public at the SEC’s website at http://www.sec.gov. The contents of our website are not part of this Annual Report on Form 10-K, and the reference to our website does not constitute incorporation by reference into this Form 10-K of the information contained at that site.

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A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. FX -11% FX -3% Total Avient -14% YoY Comparison against 2022 pro forma results • Aging infrastructure driving need for greater technological advancements and upgrades • Increased focus on strength and capacity of electrical grid plays into further adoption of composites into the market Where Avient Wins:  UV, weather-resistance, customized capabilities  Best-in-class customer responsiveness  Local high-quality manufacturing, unparalleled breadth of portfolio  Expanding position in insulators, utility poles, crossarms, and wind energy Avient Confidential 11 ENERGY 11 • Fiber-optic investments from AT&T, Corning, Commscope continue to drive industry toward innovation • $42B BEAD program in Infrastructure Bill to increase cable deployments; well-positioned to capitalize on “Made in America” requirement and “last mile” buildout Where Avient Wins:  Flame retardance, weather-resistance enables faster, safer, more reliable connections  Local manufacturing, unparalleled breadth of portfolio  Expanding position in insulation for wire jacketing, 5G buildout TELECOMMUNICATIONS Source: U.S. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

Purpose Innovator of materials solutions to help our customers succeed, while enabling a sustainable world Strategic Approach Intersecting high growth markets and secular trends with our technologies to create product platforms of scale Foundational Strengths Strategic Drivers Unwavering customer focus Global reach with a local touch Diverse technology portfolio Commercial excellence, financial rigor & prudence Culture of safety and sustainability Catalyze the core Build new platforms of scale Portfolio prioritization Amplify Innovation Digital for operational excellence & growth Leadership, talent and culture for the Avient of the future Growing at GDP+ Growing at 10% plus CAGR Our Purpose and Strategic Framework Dear Avient Shareholders, 2024 was a positive year for Avient where our primary focus was on organic revenue growth and margin expansion. We have also redesigned our employee incentive compensation plans to help ensure our focus, actions and results are aligned with our new strategy and performance expectations. Annual Report | 2024 2 STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company, LLC 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m.

Non-staining phenolic AO dispersion where high temperature applications are required. Used mainly in varnishes, inks, and adhesives, where its hardness, resistance to aging, solubility, and inherent adhesiveness are desirable properties. Non-staining phenolic AO dispersion where high temperature applications are required.

This is the range where hardness is independent on thickness.  Your GLS Representative can assist with the product grade selection for your specific application.

Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Could your housing design be improved to allow for better overall system performance? You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Your distributor can request certification for the inks you purchase and advise on inks meeting your particular needs. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product. Charging only works when the correct additive solution is utilized, and together with the fiber denier, gram weight and number of layers, it ensures the middle layer of protective masks can effectively trap small airborne particles.