O F F - ROA D V E H I C L E M A N U FAC T U R E R C A R G O R A C K • Design freedom • Improve process efficiency to reduce cost • High strength-to-weight ratio • Aesthetic appeal • Weather and chemical resistance • Replaced metal with a injection-moldable thermoplastic plus TPE overmold to meet performance demands and maintain premium brand quality • Provided technical support to help expand the design and function of the cargo rack • Reduced manufacturing costs by eliminating the painting step from the process Versalloy™ TPE and thermoplastic substrate KEY REQUIREMENTS WHY AVIENT?

S A F E T Y E Q U I P M E N T M A N U FAC T U R E R M I L I T A R Y H E L M E T P A R T S • High impact resistance • RAL 6031 – military green color • High molecular weight • Met impact resistance requirements for military helmets • Delivered strong collaboration with Avient Design team and service • Provided specific RAL color matching for military application Bergamid™ Polymer Formulations KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - OnColor Combination MIC Color - Lower Bumper - Application Snapshot AUTOMOTI VE OEM L O W E R E X T E R I O R B U M P E R • Develop a new color for molded-in-color plastics • Create ‘Wow’ effect without chroming or paint • Provide metallic aspect with good UV resistance for exterior part • Developed new “gris megalithe” color for PP (AS1) utilizing Avient Design center • Produced master plaques to showcase new color • Accelerated testing to certify outstanding weathering resistance • Collaborated across the supply chain to optimize metallic effect in the final part Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

Avient corporation first quarter 2024 results and 2024 financial guidance AVIENT CORPORATION F I R S T Q U A R T E R 2 0 2 4 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) M A Y 7 , 2 0 2 4 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 O P E N I N G R E M A R K S 4 REGIONAL DEMAND TRENDS-TOTAL COMPANY Q 1 S A L E S V S P Y ( E X C L U D I N G F X ) 4 US & Canada Latin America EMEA Asia +2% -6% Flat +2% Avient ex. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2 0 2 4 R E S U L T S Q1 2024 PERFORMANCE VS.

GLOBAL FRIDGE MANUFACTURER R E F R I G E R A T O R B A S E • Provide 5VA flame retardant rating • Utilize existing molds • Keep the same mechanical and physical properties as current material • Dimensional stability – limit shrinkage of final part • High strength – bearing the weight of the whole fridge • Maintain or reduce weight • Expedited development time, providing solutions ready for testing within a week • Enabled first time approval through close customer collaboration • Provided excellent in person support to both customer and moulder throughout trials • Gave technical advice on how to adjust processing parameters, enabling the use of existing molds with the new material Maxxam™ FR Flame Retardant Formulations KEY REQUIREMENTS WHY AVIENT?

M E D I C A L C O N T R AC T M A N U FAC T U R E R A U T O - I N J E C T O R H O U S I N G • Excellent chemical and wear resistance • Excellent impact resistance • Specific color matching based on customer’s needs • Outstanding durability to extend product life • Customized a chemically resistant formulation to offer an impact-modified alternative to traditional competitors in the market • Provided technical support for material selection, part & tool design, and process development to accelerate commercialization • Delivered custom color matching to meet all key requirements Custom Trilliant™ HC Healthcare Thermoplastic KEY REQUIREMENTS WHY AVIENT?

TRANSPORTATION OEM A F T E R M A R K E T M O T O R C Y C L E T R U N K L I D & B A S E • Maintain physical performance of incumbent 30% glass fiber nylon while improving sink and warp issues • Black with an easy-to-paint surface • UV resistant • Collaborated to rapidly provide an alternative material with excellent balance of physical properties and durability • Achieved comparable performance while improving paintability • Quickly provided samples and offered on-site application development and technical support at molding trials Nymax™ Glass and Mineral Fiber Reinforced Nylon 6 Formulation KEY REQUIREMENTS WHY AVIENT?

A F T E R M A R K E T PA RT S M A N U FAC T U R E R S I D E S T E P • High strength • Low moisture absorbance, reduced warpage • Pleasing cosmetic finish • Strong flexural modulus • Offered long fiber thermoplastic (LFT) with 3x the strength of the incumbent short fiber material without a need for retooling • Resolved major disadvantage of moisture uptake with a moisture-resistant PA66 LFT formulation • Facilitated part consolidation and design freedom • Modeled performance of long glass fiber design with advanced testing capabilities (FEA, moldflow, burnoff) Complēt™ Long Fiber Reinforced Structural Thermoplastics KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION STRENGTH + PART CONSOLIDATION LEARN MORE Copyright © 2023, Avient Corporation.

A F T E R M A R K E T PA RT S M A N U FAC T U R E R S I D E S T E P • High strength • Low moisture absorbance, reduced warpage • Pleasing cosmetic finish • Strong flexural modulus • Offered long fiber thermoplastic (LFT) with 3x the strength of the incumbent short fiber material without a need for retooling • Resolved major disadvantage of moisture uptake with a moisture-resistant PA66 LFT formulation • Facilitated part consolidation and design freedom • Modeled performance of long glass fiber design with advanced testing capabilities (FEA, moldflow, burnoff) Complēt™ Long Fiber Reinforced Structural Thermoplastics KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION STRENGTH + PART CONSOLIDATION LEARN MORE Copyright © 2023, Avient Corporation.

technology H I N G E M A N U FAC T U R E R S P E C I A L T Y F U R N I T U R E F I T T I N G • High dimensional stability • Low slip effect • No squeaking noises • Very low wear properties • High process stability • Provided high quality solutions for mass production with high processing performance • Met customer’s tribological requirements over the entire product life cycle of more than 20 years • Customized tailor-made solutions for specific applications that are constantly being adapted to new requirements LubriOne™ Internally Lubricated Formulations KEY REQUIREMENTS WHY AVIENT?