APPLIANCE MAKER F O O D H A N D L I N G & C O O K I N G C O M P O N E N T S • Minimize yellow / amber color tone of PEI and PES that detracts from the perception of quality for cooking and food service appliances • Maintain inherent heat and steam resistance of PEI and PES • Food contact compatibility • Colorants counteracted yellow tones without sacrificing heat and steam resistance • Achieved a more intense blue-gray shade that reinforces appliance quality and cleanliness and improves perception of the food Colorant Chromaticsä Precolor and Masterbatch Formulations KEY REQUIREMENTS WHY AVIENT?

BLOOD LANCET MANUFACTURER S E A L I N G R I N G • Compliance with strict regulations for medical materials • Excellent sealing performance • Good compression set • Provided a recycled TPE solutions compared to silicone without increasing system cost • Delivered a TPE that complied with ISO 10993-4 & -5 and USP Class VI • Supported a change to an injection molded material to ease production and enhance assembly capabilities Versaflex™ HC TPEs – OM1040-1 Grade KEY REQUIREMENTS WHY AVIENT?

Processing conditions can cause material properties to shift from the values stated in the information. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. Processing conditions can cause material properties to shift from the values stated in the information.

PRE-FILLED SYRINGE COMPANY S Y R I N G E T I P C A P • Excellent sealing performance • No DEHP or natural rubber latex added during processing • Can be sterilized by EtO • Compliant with ISO 10993-4&5 and USP Class VI • Formulated a solution that met rigorous medical application requirements • Leveraged global footprint to ensure supply continuity • Increased process efficiency by replacing previous thermoset material with a TPE Versaflex™ HC Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) F E B R UA RY 2 0 2 4 DISCLAIMER 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. You can identify these statements by the fact that they do not relate strictly to historic or current facts. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

HOW GLS TPES MAKE THE DIFFERENCE IN INFANT CARE APPLICATIONS • Safe to Use – Made without bisphenol A (BPA), phthalates, or heavy metals; select grades compliant with FDA, REACH and China GB4806 • Durable – Resists bites and tears; many are tested and safe to use in microwaves and dishwashers • Comfortable – Can be overmolded to provide a soft touch grip and customized to specific comfort requirements including vibration and noise reduction • Easy to Process – Can be injection molded and overmolded right onto a substrate including PP, ABS, etc Processing conditions can cause material properties to shift from the values stated in the information. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner.

Versaflex TF Adhesive TPEs offer easy processing and shaping, and can also be custom-colored and cost-efficiently laser-cut. Processing conditions can cause material properties to shift from the values stated in the information. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner.

Choosing Avient materials can help to create interior and exterior lighting with just the right color and clarity. Liquid and solid masterbatch colorants differentiate exterior lights—often without adding enormous cost

Avient technologies for lighting systems control heat, allow for maximum output, and withstand the harshest conditions that the most rugged job sites can dish out. Liquid and solid masterbatch colorants differentiate exterior lights—often without adding enormous cost

OnColor™ HC Colorants for Healthcare: color concentrates developed to meet or exceed USP Class VI and ISO 10993 and formulated without heavy metals, phthalates and BPA or other requirements as specified       Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation