PG 261307.00 BU PP SL PG 261377.00 GN PP SL PG 261380.00 BU PP SL

PG 65830.00 PEARL BU PP PG 65831.00 PEARL BU PP PG 65141.00 OR LC

PG ZYLAR RED PG ZYLAR PINK PG ZYLAR AQUA

EPS $2.66 Copyright © . 2025 4 Key Messages Avient is evolving to its next phase as an innovator of materials solutions to help our customers succeed, while enabling a sustainable world Our primary focus is on organic revenue growth and margin expansion ► intersect secular trends and high growth markets with our technologies ► build businesses in high growthcatalyze growth in our core markets ► hybridization Our strategy is enabled and driven by our focus on (a) portfolio prioritization, (b) amplifying innovation, (c) digital for operational excellence and growth, and (d) leadership, talent and culture for the Avient of the future Copyright © . 2025 5 Our purpose and strategic framework Copyright © . 2025 6 Intersecting secular trends and high growth markets with our technologies to create product platforms of scale Copyright © . 2025 7 Catalyze the core GROW BUSINESS AT GDP + 1. Specialty Engineered Materials END MARKETS REGIONS 17% 14%13% Defense Packaging Telecom 54% 33% US & Canada Europe, Middle East Energy Copyright © . 2025 26 Avient 2024 regional sales, by end market US & CANADA 41% of sales EMEA 35% of sales ASIA 18% of sales LATIN AMERICA 6% of sales 22% Packaging TelecomEnergyDefenseHealthcareBuilding & TransportationIndustrialConsumer 26% 16% 31% 26% 1%1% 2% 61% Copyright © . 2025 27 NON-HYDROCARBON MATERIALS HYDROCARBON-BASED ~35% of the raw material basket including part of “Other raw materials” are hydrocarbon-based Raw material basket 16% 4% 4% Performance additives Pigments TiO2 Dyestuffs Styrenic block copolymers Polypropylene Nylon Polyethylene Other raw materials Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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.

WHY AVIENT WINS 7 Deep Customer Relationships & Application Know-How Superior Design Capabilities & Advanced Analytics Global Footprint Strategically Aligned to Serve Customers We iterate fast and often. 37 24 10 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia We produce locally, serve globally. These investments also consider our global footprint, and we are positioned very well and strategically from a regional perspective. 9 Growth Drivers 2020E Revenue Long-Term Growth Rate Sustainable Solutions $ 550 8–12% Healthcare 520 8–10% Composites / 5G 200 10% Growth in Emerging Regions 650 5% Other (GDP growth) 1,730 2–3% Pro Forma Avient $ 3,650 6.5% (1) Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) (2) 2020 is estimated and Pro forma to include full year of the Clariant Masterbatch business SUSTAINABLE SOLUTIONS Avient has a highly technical and broad portfolio of material solutions that help our customers—and our planet—be more sustainable. PEER COMPARISONS 16 2 3 2 3 3 3 6 3 4 4 4 4 5 5 6 6 7 8 9 23 nt nt ( xc l.

PG 43929 WT PE PG 43928 WT PE GREEN 357M

PG 42763 BU PET GREEN PP PG 42762 BU PET

PG 131283.00 BK ABS PG 57104.00 PEARL WT PE GREEN

PG 331963.00 FT PET PG 331971.00 BU PE SANTO DRAGONFLY GREEN 7718C

GREEN NYLON LM 2 PG 92405.00 PEARL BU PE PG 92783.00 PEARL GN PP