Edison, New Jersey 4. Lockport, New York 4. Edison, New Jersey 4.

Any forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Full-year 2024 highlights ► 4% organic revenue growth for Avient; 3% for CAI and 6% for SEM ► Adjusted EBITDA margin expanded 20 bps for Avient; 90 bps for CAI and 110 bps for SEM ► New strategy in execution Leadership team strengthened with a new CTO, CIO, General Counsel, SVP (New business development & marketing) in place ► New compensation plan rolled out in January 2025, in direct alignment with the strategy ► 2024 was our safest year on record ► Increased dividend 5% to $1.08 on an annualized basis; 14th consecutive increase FY 2024 FULL YEAR 2024 VS. FX • Driven by strong drug delivery sales, new business wins in building & construction and consumer • Higher sales and favorable mix more than offset by variable compensation reset resulting in lower adjusted EBITDA Copyright © . 2025 11 Specialty Engineered Materials - Q4 2024 performance 260 280 49 56 • Growth headlined by healthcare, including engineered materials in remote monitoring devices, as well as composites for building & construction, wind energy, and defense applications • Higher sales and favorable mix contributed to adjusted EBITDA growth which more than offset unfavorable impact of variable compensation FY 2024 Copyright © . 2025 13 Color, Additives & Inks – full year 2024 performance 2,007 2,047 358 384 • Driven by new applications for drug delivery and building & construction as well as demand recovery in packaging and consumer • Adjusted EBITDA margin expansion driven by higher sales and net price benefit Adj. 17.8% Adj. 18.7% Copyright © . 2025 14 Specialty Engineered Materials – full year 2024 performance 1,138 1,197 224 249 • Growth headlined by strong demand for applications in defense end market and composites used in building & construction and engineered materials used in healthcare • Adjusted EBITDA margin expansion driven by higher sales and favorable mix Adj. 19.7% Adj. 20.8% Copyright © . 2025 15 Avient full year 2024 performance vs. full year 2023 3,143 3,240 502 526 Adj.

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Visit our global network of Innovation Centers to discover existing materials or new formulations that will boost performance and processability in your application.

Bring visionary new products to market with end-to-end development support.

SiteCool technology helps polymer roofing manufacturers give facility owners a new tool to address the challenge of making their sites more energy efficient.

Firearm manufacturers are consistently looking for new and innovative methods and materials to enhance the performance and the appeal of their products.

Put a New Spin on Sustainable Fashion

Whether you want your product to have a unique and novel look, or just want it to maintain a like-new impression, there are colorants and additives that can help.

Avient assists in creating electronic connector for a new, low-cost computer to meet technical requirements, avoid over-engineering and meet cost-performance requirements with Bergamid™ nylon material