Copyright © . 2025 3 Avient at a glance Copyright © . 2025 18 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Adj. Slide 23 Slide 24: Avient 2024 sales Slide 25: Color, Additives & Inks Slide 26: Specialty Engineered Materials Slide 27: Avient 2024 regional sales, by end market Slide 28: Raw material basket Slide 29: Reconciliation of Non-GAAP financial measures (UNAUDITED) Slide 30: Reconciliation of Non-GAAP financial measures (UNAUDITED) Slide 31: Reconciliation of Non-GAAP financial measures (UNAUDITED)

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) Three Months Ended Sales $ 1,162.3 $ 711.5 Operating Income 120.4 52.8 Net income from continuing operations attributable to Avient shareholders 79.3 33.1 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.87 $ 0.38 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.86 $ 0.38 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

PRODUCT BULLETIN Stan-Tone™ Colorants Vinyl Paste Colors (HCC) Stan-Tone™ HCC vinyl paste colorants are select organic and inorganic pigments dispersed in diisodecyl phthalate plasticizer (DIDP). By varying ingredient ratios, a wide range of viscosities and color control are achieved to enhance metering capability and distribution. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. In addition, it has been just over a year since we acquired Clariant Masterbatch and we became Avient. About Avient Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

FINGERPRINT DETECTOR H O U S I N G • Metallic effect • In-mold labeling replacement • Overmold on PC • Chemical resistance • Achieved metallic effects without secondary step of painting • Customized colors to achieve desired aesthetics of the design • Improved cost-effectiveness • Provided live technical support from concept to production Artisan™ AR7300-8001 M Silver Formulation KEY REQUIRMENTS WHY AVIENT ? AVIENT SOLUTION PAINT FREE + OVERMOLDING ON PC LEARN MORE Copyright © 2020, Avient Corporation. https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-paint-replacement

SOFT TOUCH + COLORABILITY FOOTWEAR ACCESSORY BRAND F O O T W E A R I N S E R T • Low durometer with good processability • Optimal cushioning with high elasticity • Non-tacky feel • Excellent colorability • Customized a formulation to achieve super soft gel performance without a tacky finish • Provided material with sufficient cushioning and elasticity for all-day comfort • Optimized lead time and stable supply with local inventory Versaflex™ Customized TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LEARN MORE Copyright © 2021, Avient Corporation. All Rights Reserved.Copyright © 2022, Avient Corporation.

Copyright © 2020, Avient Corporation. MAJOR AUTOMOTIVE OEM R O O F R A C K • Impact resistance • UV stability over time • Color match to specific black color • Developed a supply chain agreement to ensure reliable supply and mitigate risk • Provided just-in-time delivery to help the customer keep working capital low and maximize warehouse space • Provided a product that supports sustainability to potentially enhance the marketplace appeal of the customer’s end product Nymax™ REC Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION IMPACT + UV STABILITY LEARN MORE Copyright © 2024, Avient Corporation.