The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.

The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.

The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.

Broad processing speeds from 25 mm/sec to 75 mm/sec result in outstanding adhesion as shown in Figure 6. Table 2: GLS 271-051 overmolded to polyacetal (Delrin511P) and its copolymer (Hostaform 9021) LC 271-051 to Delrin 511P Average, N/mm Maximum,N/mm Mode of failure Melt temperature 1.65 1.95 Adhesive 220°C 1.84 1.98 Adhesive 220°C LC 271-051 to Hostaform 9021 Average, N/mm Maximum,N/mm Mode of failure Melt temperature 2.12 2.22 Adhesive 220°C 2.14 2.33 Adhesive 220°C Universal Polyamide Overmold Update: In earlier studies, robust universal polyamide overmolding materials and their benefits were introduced,2,3 where overmoldability of a 60 shore A and a 75 shore A material to Nylon was demonstrated. Furthermore, the material has outstanding adhesion to Ultramid B3G6 (glass reinforced polyamide 6) as demonstrated in Figure 10 and 11.

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. EBITDA - Full year 2025 $540 to 570M ▲6% to ▲12% growth excluding FX ADJ. Specialty Engineered Materials END MARKETS REGIONS 17% 14%13% Defense Packaging Telecom 54% 33% US & Canada Europe, Middle East Energy Copyright © . 2025 22 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 23 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.

KEY BENEFITS • Unique and personalized tracer for customer/ product lines • Suitable for polyester and polyamide (nylon), including recycled grades; possibility to develop solutions for bio-polymers • No impact on spinnability, color or yarn properties • Can be combined with color into a single product for convenience • Complies with key regulatory requirements by EN, DIN, UNI and others • Supplied with a testing service package Copyright © 2022, Avient Corporation.

The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.

The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.

The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.

The new materials also offer sustainability benefits over the product lifecycle through carbon footprint reductions compared to competitive materials—PK base resin production emits up to 61 percent less carbon dioxide (CO2) than nylon and POM.