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ABS Quality Evaluations This is to certify that the Quality Management System of: Avient Corporation Avient Corporation - McHenry, IL 831 Ridgeview Drive McHenry, IL 60050 U.S.A. Facility: Avient Corporation - McHenry, IL 921 Ridgeview Drive McHenry, IL 60050 U.S.A. Activity: Management processes, sales, design, purchasing, receiving, inspection, warehouse, shipping, production scheduling, setup, blending, mixing, bagging, inspection & test, calibration, maintenance, HR, Quality Activity: Warehousing, shipping and receiving

CABLE MANUFACTURER H I G H F L A M E R E T A R D A N T S H E A T H F O R R I S E R C A B L E S • Fire performance: CPR classification Dca s1 a1 d0 at a thickness of 350µm • Low shrinkage • Water, UV and chemical resistance • Low CoF • Reduced cable weight by decreasing the jacket thickness from 550µm to 350µm • Provided required CPR classification at a reduced thickness allowing installation in homes and buildings in between walls and floors • Increased cable lifetime due to improved chemical and UV resistance • Enabled fast cable processing ECCOH™ 5702 SEPAP Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LIGHTHWEIGHT + UV/CHEMICAL RESISTANCE LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations Cable Manufacturer

T I G H T B U F F E R I N G E L - F I L L E D L O O S E T U B E F O R A E R I A L C A B L E S GLOBAL CABLE MANUFACTURER • Operating temperature from -40°C to 70°C • High gel resistance • Low shrinkage • Stripability for easy installation • Good flame retardancy • Developed a formulation with good thermal behaviour and low shrinkage • Enabled a greater range of operating temperatures giving the customer the flexibility of using the same cable design in a range of different climates • Provided superior gel resistance increasing life time of the cable • Utilized simulation service to optimize customer tooling and extrusion output ECCOH™ 5806 Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION THERMAL RESISTANCE + LOW SHRINKAGE LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.polyone.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations Global cable manufacturer

EUROPEAN CABLE MANUFACTURER J A C K E T F O R T H I N F T T H C A B L E S • FTTH jacket material for cables installed in premises where no duct and little space is available • Superior crush resistance for small diameter cables • UV and chemical resistance including solvents, oil, acid and bases • Utilized formulation expertise to provide a solution with the desired combination of performance characteristics • Provided superior UV and chemical resistance, increasing cable lifetime • Reduced attenuation loss due to better crush resistance • Enabled the required flexibility and reduced cable weight ECCOH™ 5970 Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CHEMICAL + UV RESISTANCE LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.polyone.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations European cable manufacturer

CABLE MANUFACTURER A E R I A L D R O P C A B L E J A C K E T • Operating temperature between -40°C to 70°C • Fire performance: CPR classification Dca-, s1, d1, a1 • Low water absorption • Clamp resistance • Strong UV resistance & mechanical performance • Improved thermal behaviour giving the customer the flexibility to use the same cable design in a wide range of climates • Enabled superior mechanical performance and water absorption over previous solutions providing versatility and outdoor use • Provided material in black color specifically used in drop cables ECCOH™ 5981 BK UV Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION VERSATILITY + PERFORMANCE LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations Cable manufacturer

Name of topic CABLE PRODUCER P H O T O V O L T A I C C A B L E • Simplified supply chain and inventory by providing one solution for both insulation and jacket coating • Provided a material that gave cable a good surface finish and improved cable life time value (passed Arrhenius life time prediction as per IEC 60216-1 in internal lab test) • Reduced catalyst dosage resulting in lower material cost • Improved customer processing speeds • Enabled flame retardant performance to EN 50618 and IEC 60332-1 standards on complete cable ECCOH™ XL 8148 + ECCOH XL CAT 005 Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION UV RESISTANCE + FAST PROCESSING • Good electrical performance • Low smoke emissions and good flame retardant performance • UV resistance suitable for permanent outdoor use • Cold bending and elongation at break at -40°C LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-cross-linkable-solutions Cable producer

PIRANHA M A R I N E P R O P E L L E R • Similar mechanical properties to aluminum and stainless steel • Improved impact resistance, durability, and vibration damping properties • Injection moldable • Enabled up to 20% more impact resistance compared to standard long fiber reinforced materials, including the incumbent material • Improved durability and vibration damping allowing the blades to flex and absorb energy from minor impacts • Facilitated an interchangeable blade system providing a cost- effective solution for repairs and tuning of propulsion thrust to meet a boat’s intended use, for either speed or transporting loads • Enhanced design flexibility allowing for the innovative blade design to provide 400% more reverse thrust than standard propellers and twice as much as competing metal propellers Complēt™ MT Long Glass Fiber Reinforced Nylon 6 KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION TOUGHNESS + DESIGN FLEXIBILITY LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl%C4%93t-long-fiber-reinforced-structural-thermoplastics

OFF-ROAD VEHICLE MANUFACTURER E N G I N E B R A C K E T • Exceptional structural properties with extremely high stiffness and strength across a broad temperature range (-40 to 160°F) • Excellent creep resistance and fatigue endurance • Lower weight with no reduction in performance • Reduced weight by 40% with zero fatigue failures during extensive field testing • Provided technical support to optimize design for metal-to-composite conversion • Delivered composite solution with similar system cost and more robust performance than failure prone aluminum version Complēt™ Long Carbon Fiber PA66 Composite KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + DURABILITY LEARN MORE Copyright © 2021, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/compl%C4%93t-long-fiber-reinforced-structural-thermoplastics Off-road vehicle manufacturer

Heavy Truck manufacturer HEAVY TRUCK MANUFACTURER E X T E R I O R S T E P P E D A L • Offer pre-color support to achieve an approved silver color formulation • Provide a metallic look with good weather resistance and wear performance for the exterior part • Shorten development time to gain durability approval • Offered color options that met desired metal color and texture, which was different from an ordinary plastic feel • Achieved excellent wear performance and weather resistance, qualifying it to replace metal • Provided support in achieving durability approval, resulting in significant time and cost savings OnForce Long Glass Fiber Reinforced Polypropylene Composites KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PRE-COLOR + METAL REPLACEMENT LEARN MORE Copyright © 2025, Avient Corporation. All Rights Reserved. https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites Slide 1: Heavy Truck manufacturer