EBITDA 97 100 • Sales growth led by resilient packaging demand across all regions, which was partially offset by weak transportation sales • Higher sales, favorable mix, and cost improvements contributed to adjusted EBITDA growth and 50 bps of adjusted EBITDA margin expansion Adj. 18.8% Adj. 19.3% Copyright © . 2025 8 Specialty Engineered Materials – Q1 2025 performance Sales 314 308 Flat Adj. Avient 2024 sales BUSINESS SEGMENTS END MARKETS REGIONS 63% S E M C AI 23% 15% 8% 4% 3% Packaging Telecom Energy Defense 41% 35% 18% US & Canada Latin America Europe, Middle East 14Copyright © . Color, Additives & Inks END MARKETS REGIONS 34% 21% 15% 11% 8% Packaging Telecom 1%Energy 1% 34% US & Canada Latin America Europe, Middle East Construction 15Copyright © .

PRODUCT BULLETIN KEY CHARACTERISTICS • Eliminates electric charges to maintain good product appearance • Creates safer, static-dissipated parts for electronics, packaging, automotive, and military applications • Improves product appeal by reducing static charge-related dust accumulation • Reduces the risk of a potential fire hazard in product environments • Reduces cycle times, maximizes throughput, and lowers operating costs • Can be combined with other additives or colorants into a single masterbatch • Compatible with a variety of processes including blow molding, injection molding, extrusion, and film processing • FDA-approved and bio-based formulations available MARKETS AND APPLICATIONS Cesa Stat Antistatic Additives are suitable for any thermoplastic application that could benefit from reduced static buildup, including: • Automotive under-the-hood components • Automotive dashboards • Electrical connectors & components • Electronic components • Military components • Consumer packaging ARE YOU IN A BATTLE WITH STATIC?

They are also very useful in a variety of other applications such as packaging, electronics or transportation. PRODUCT BULLETIN KEY CHARACTERISTICS • Additives to retard microbe growth in finished plastic parts, enhancing product performance • Reduces bacterial, mold and fungal growth on the surface as well as through the thickness of the plastic part • Helps reduce odor, staining, discoloration and loss of mechanical properties • Available for a variety of processes including extrusion, injection molding, blow molding, rotational molding and thermoforming MARKETS AND APPLICATIONS Suitable for a wide variety of applications, Cesa WithStand Antimicrobial Additives add value across these key markets: • Packaging* • Cosmetics • Wellness • Appliances • Electronics • Building & construction • Transportation • Wire & cable * Contact an Avient representative to check food contact compliance 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

Oxygen scavengers and barriers are essential to the beverage packaging industry. Brands and converters are increasing their use of rPET in packaging to meet current regulations or their own sustainability commitments, but quality rPET is needed.

KEY CHARACTERISTICS • Protects finished part by inhibiting microbial and fungi growth • Extends useful life of finished TPE parts by controlling deterioration caused by mildew or mold fungus • Increases product durability, preserves surface integrity, and minimizes odors MARKETS & APPLICATIONS Suitable for high-touch surfaces and applications, GLS TPEs with antimicrobial technologies add value in the consumer, packaging and automotive markets. PRODUCT BULLETIN VERSAFLEX™ GP 2810-40N AM VERSAFLEX™ CE 3120-65* AM ONFLEX™ LO 7120-45 AM Applications Personal care grips Consumer packaging Consumer electronics Charging stations HVAC seals Cup holder mats Color Natural Natural Natural Durometer, Shore A 45 66 45 Specific Gravity (kg/m3) 0.87 1.14 1.13 Tensile Strength (PSI) 650 1200 585 Elongation % 700 600 685 Modulus @ 300% |(PSI) 260 585 300 Injection Moldable Yes Yes Yes OM Substrate PP PC, ABS, PC/ABS, COPE PP TECHNICAL PROPERTIES *UL listing does not apply; testing can be completed if required by the customer Copyright © 2021, Avient Corporation.

POLYONE SHALL HAVE NO LIABILITY WITH RESPECT TO ANY PRODUCT WHOSE CONTAINER OR OTHER PACKAGING HAS BEEN OPENED OR OTHERWISE COMPROMISED IN ANY WAY AND/OR FOR ANY PURPOSE PRIOR TO ITS USE BY THE END CUSTOMER; INCLUDING, BUT NOT LIMITED TO, REPACKAGING OR BLENDING OF THE PRODUCT BY BUYER. 5. Buyer will not remove or alter any Trademarks, numbers or other means of identification on Products or the Product packaging. 7.

Applications: • Automotive interior trim and exterior trim components • Appliances, electronics and electrical housings • Personal care and cosmetic packaging • Painted or plated consumer products Benefits: • Efficiently replaces paint and plating for various applications • Reduces number of processing steps and complexity • Provides high glossiness and metallic effects for high-quality paint look • Can be customized to include scratch, dust, and UV resistance PRODUCT BULLETIN 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation. Applications: • Automotive interior trim and exterior trim components • Appliances, electronics and electrical housings • Personal care and cosmetic packaging • Painted or plated consumer products Benefits: • Efficiently replaces paint and plating for various applications • Reduces number of processing steps and complexity • Provides high glossiness and metallic effects for high-quality paint look • Can be customized to include scratch, dust, and UV resistance

Precision wound packages are critical for processing Fiber-Line™ engineered fibers. The optimized process provides solid package stability which enables faster line speeds.

Packaging FRP products are supplied on a variety of different size wood or plastics reels along with different lengths depending on the customer’s requirements. Alternate package solutions are also available at the customer’s request.

Netherlands branch Company start date 24-07-2018 Activities SBI-code: 46769 - Wholesale of other intermediary products SBI-code: 46696 - Wholesale of packaging SBI-code: 4941 - Freight transport by road (no removal services) Employees 0 Establishment Establishment number 000040405362 Trade name Avient S.à r.l., Netherlands branch Visiting address Uranusweg 3, 8938AJ Leeuwarden Date of incorporation 24-07-2018 Activities SBI-code: 46769 - Wholesale of other intermediary products SBI-code: 46696 - Wholesale of packaging SBI-code: 4941 - Freight transport by road (no removal services) For further information on activities, see Dutch extract.