WOOD PLASTIC COMPOSITE (WPC) MFG S H E E T A N D D E C K I N G • Lightweighting solution offering energy savings and manufacturing efficiencies • Reduced downtime associated with poor quality rejections • Consistent and uniform cell structure in decking material • Compatibility with mono-core extrusion formula (rice hull bio-filler and virgin PVC) when used with a chemical foaming additive • Density control of 0.60-0.65 g/cc in production • Provided a CFA solution that offered energy savings, process optimization, and extended manufacturing run times • Enabled improved performance results and enhanced process control • Allowed tighter tolerance control with uniform cell structure, eliminating voids and surpassing density target ($100K savings) • Increased productivity and aesthetic finish with secondary operations (sanding) KEY REQUIREMENTS Excelite™ Chemical Foaming Additives (CFA) WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + IMPROVED QUALITY LEARN MORE Copyright © 2022, Avient Corporation.

Ext Building Products OEM Application Snapshot EXTERIOR BUILDING PRODUCTS OEM S H E E T / P R O F I L E E X T R U S I O N • Source a cost competitive and effective chemical foaming additive (CFA) with prompt availability • Incorporate a CFA lightweighting solution with consistent cell structure and density for better overall operational performance • Improve material usage while manufacturing on both single and twin screw processing equipment • Met customer needs and timing with effective and efficient CFA solutions • Provided formulations that improved the dispersion and efficacy for optimized performance and control in manufacturing • Offered application and processing expertise focused on specific customer manufacturing assets and operations, allowing improved material usage and reduced operational costs Hydrocerol™ and Excelite™ CFAs KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + PERFORMANCE LEARN MORE Copyright © 2022, Avient Corporation.

ELECTRICAL APPLIANCE BRAND H O U S E H O L D P R O D U C T S I N R E C Y C L E D A B S A N D P S • Support to qualify a new raw material sourcing process • Color prediction feasibility for new material grades • Color design guidance to maintain brand identity and differentiation • Color solutions that work with mixed grades of rABS and recycled polystyrene • Worked with the brand owner to test multiple styrenic grades and understand the best fit across colors and recycled resins • Supported integration of multiple resin solutions for the best rendering and aesthetics in rABS and rPS • Helped approve 7 colors to be launched within the forthcoming 18 months PCR Color Prediction Service KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION RAW MATERIAL SOURCING FLEXIBILITY LEARN MORE Copyright © 2022, Avient Corporation.

POWER CABLE PRODUCER C A B L E I N S U L A T I O N • Easy to process • To pass CPR fire test • Low smoke and toxicity values on smoke test • Possibilities for low-voltage cables • Cable insulation that passed G18 of the CEI EN 50363-0: 2015 standard • Offered Sioplas technology for cross-linking providing ambient curing • Delivered new cable design possibilities for low- voltage cables while offering easy processing • Processed more efficiently than market- established elastomeric technology which is processed using a CV line • Provided cable insulation that passes the hot set test at 250°C ECCOH XL Cross-Linkable Solutions 8054 KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION NEW CABLE DESIGN POSSIBILITIES LEARN MORE Copyright © 2025, Avient Corporation. All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/sustainable-formulations/eccoh-xl-cross-linkable-solutions Power cable producer

QUALITY POLICY At Avient, we collaborate with customers to provide specialized and sustainable solutions, accepting material science challenges that can enable a circular economy and meet the needs of the present without compromising future generations to do the same. • We listen - To customers’ needs to deliver unique, innovative solutions • We do it right - The first time to provide defect-free materials • We deliver - A consistent product on time Our commitment to continuous improvement and operational excellence drives our actions and decision-making – all with the goal of making Avient the preferred provider of specialized materials, services, and solutions to customers around the world.

Airline components manufacturer AIRLINE COMPONENTS MANUFACTURER C A B I N I N T E R I O R P A R T S • Stable, consistent coloration of high temperature polymers • Improved mechanical strength, superior impact performance and resistance • Robust chemical resistance from cleaning chemicals, oil, and fats • Meet current environmental performance standards (temperatures and user interface) • Regulatory flame retardance performance • Delivered consistent distribution and dispersion in high-temperature polymers, resulting in improved mechanical properties and performance • Maintained efficient processing and waste reduction with shorter lead times • Offered regulatory support to help meet requirements • Allowed minimum order quantities as low as 5kg (10lbs) for custom color solutions requested by specific airlines KEY REQUIREMENTS PERFORMANCE + EFFICIENCY WHY AVIENT? AVIENT SOLUTION Colorant Chromatics PES/PPSU Pre- colored Solutions LEARN MORE © 2024, Avient Corporation.

SBD cordless power tool GLOBAL CLOUD SERVICE PROVIDER I N T E R N A L H O L D O F S E R V E R C A B I N E T S • PC-based solution with good impact strength • UL 94 V-0 certification • Dimensionally stable • Offered a 40% glass fiber-reinforced PC solution with high modulus and high impact strength • Achieved a UL 94 V-0 flammability rating at 3.0 mm • Provided pre-colored formulation that met specific white requirements and maintained good color stability even after long-term production at high temperatures • Ensured high flowability so the material could be injected with low pressure, avoiding damage to the metal frame Edgetek Engineered Polymer Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION FLAME RETARDANCE + IMPACT STRENGTH LEARN MORE Copyright © 2025, Avient Corporation.

Automotive OEM AUTOMOTIVE OEM B U S B A R C A R R I E R F O R E V B A T T E R Y • Non-halogen solution • Flame performance to UL 94 V-0 @ 1.6 mm, GWFI 960°C @ 2mm • Excellent mechanical properties • Easy to process • Heat stabilized and high flow properties • Provide a non-halogenated solution with increased performance • Supported our customer throughout the project with design, regulatory and technical expertise • Helped to achieve the rigid requirements of EV battery applications Maxxam NHFR Non-Halogen Flame Retardant Polyolefin Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION NON-HALOGEN FLAME RETARDANT LEARN MORE Copyright © 2025, Avient Corporation.

STELLANTIS E L E C T R I C Q U A D R I C Y C L E B O D Y • Replace paint on metal/plastic for lightweighting and CO2 footprint reduction • Develop new model shade in specified polypropylene grades • Ensure batch-to-batch color consistency for seamless part pairing • Fulfill requirements for wear and weathering resistance • Supported painted steel replacement with look-alike molded-in-color solution • Color matched new model shade and adapted formulation to different polypropylene grades • Fulfilled strict color variation tolerances to ensure seamless part pairing • Optimized the formulation for scratch, friction, stress whitening, and UV resistance • Offered molded-in color solutions for other electric quadricycle models Smartbatch FX for Paint Replacement KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PAINT REPLACEMENT + CO2 REDUCTION LEARN MORE Copyright © 2025, Avient Corporation.

Deliver cumulative annual revenue growth from sustainable solutions portfolio of 8-12% Assess top 90% of supplier spend for alignment with Avient Sustainability objectives. Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2030 SUSTAINABILITY TARGETS 20 2021 AVIENT INVESTOR DAY 21 • Investor Day to be held December 9, 2021 in New York, NY • Company will provide updates on its key growth drivers with a deep focus on sustainable solutions Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites / 5G 10% Growth in Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% • Senior leadership team to also present on Clariant MB integration, M&A opportunities and capital allocation priorities PEER COMPARISONS 22 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from. 26 We are a specialty formulator that enables many of the world’s products through innovation and custom solutions.