Body Weight Active LDR (ppm) —— Body Weight —— Max Load Bo dy W ei gh t ( g) M ax L oa d (lb s) Active LDR (ppm) —— Energy Consumption —— Energy Reduction En er gy C on su m pt io n (k W ) En er gy R ed uc tio n 0 10 25 0 17 34 51 30% 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

& Canada 64% Specialty Engineered Materials Color Additives and Inks 41% 23% 19% 10% 5% 4% Building & Energy Telecom Geography Segment Industry 2024 Financial Guidance $525 to $530 million Adjusted EBITDA $2.63 to $2.67 Adjusted EPS 4 Industry Sustainability Standards ESG Ratings Performance 1 4 87th 94th percentile Avient CDP Score: A- SUSTAINABILITY PERFORMANCE AND RECOGNITION O CTO BE R 3 1 , 2024 W EB CAS T P RE SE N TATI O N 6 Q3 2024 HIGHLIGHTS • 8.5% organic sales growth driven by broad-based growth across all regions and most end markets in both CAI and SEM segments • Growth stemmed from gaining share, winning new product specifications and restocking in certain end markets • Both segments expanded YoY EBITDA margins by 40 bps each • Adjusted EPS of $0.65, an increase of 14% vs the prior year • Successfully refinanced $650M outstanding senior notes due 2025; extending maturity to 2031 • Increased dividend 5% to $1.08 on an annualized basis; 14th consecutive increase Adj.

GRAY GRANITE W/ UV HDPE SILVER W/O LASER GEON W9300 NAT 0000

INDIGO W/METALLIC 4 GREY W/ SILVER FLAKE GEON W9300 NAT 0000

PP 3773 ORANGE W/AO ABS COOL GREY 6C W/UV GEON W9300 NAT 0000

MC-73295PP WHITE W/ 1 YR UV MC-7463ST COOL WHITE W/UV GEON W9300 NAT 0000

HM SONIC GREEN w/UV BLUE 299 W/HS GEON W9300 NAT 0000

MC-11084PE DARK BLUE W/UV R00665 MC-11811PP M BLUE W/SULFUR P20106 GEON W9300 NAT 0000

BODY FULL GREEN W/ UV MIRACLE TRANS ROSE w/UV GEON W9300 NAT 0000

GREEN W/BLUE SPARKLE GREEN W/SHIMMER GEON W9300 NAT 0000