ENERGY STORAGE OEM A Q U E O U S B A T T E R Y G A S K E T • Sealing performance from -40 to 110°F • Ability to flow in a long, thin seal design • Chemical resistance to a proprietary electrolyte solution • Natural color • Provided a chemically resistant TPE that outperformed competitive TPE and thermoplastic rubber in rigorous customer testing • Offered material expertise and education to empower an informed material decision • Enabled OEM to model and evaluate sealing performance via design support and data files • Met global production needs through material consistency and local technical support Dynaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SEALING + CHEMICAL RESISTANCE LEARN MORE Copyright © 2022, Avient Corporation.

COSMETIC PACKAGING OEM L I P G L O S S T I P B R U S H • Good chemical resistance • Shore 40A hardness at a 60-degree angle • Natural/transparent color • Can be flocked • Delivered a formulation with good chemical resistance to oil in long-term environments • Provided an easy-to-mold TPE and replaced TPU/TPEE with a better soft touch feel • Offered good adhesion with an epoxy resin glue with no impact on the flocking process Versaflex™ Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CHEMICAL RESISTANCE + EASY PROCESSING LEARN MORE Copyright © 2023, Avient Corporation.

TOOL MANUFACTURER T O O L H A N D L E S • Electrical resistivity of 100 MΩ, ESD • Hardness of 90 Shore A or higher • Suitable for OM onto PP • White color • Provided a solution with permanent antistatic properties and excellent tear resistance, enhancing durability • Met required hardness range, giving handle excellent grip • Simplified manufacturing process with excellent adherence directly onto PP substrate Stat-Tech™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION TOUCH & GRIP WITH ESD LEARN MORE Copyright © 2023, Avient Corporation.

FABRIC MASK MANUFACTURER P P N O N W O V E N M U L T I L A Y E R S • Meet regulatory requirements for the application • Provide technical support including specific color, processing and molding recommendations • Deliver a highly hydrophilic performance • Developed a compliant additives solution to meet necessary regulatory specifications • Provided technical expertise throughout the design and manufacturing process • Offered an effective solution to make it soft touch while hydrophilic Cesa Fiber Additives KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COMPLIANCE + EFFECTIVENESS LEARN MORE Copyright © 2024, Avient Corporation.

GLOBAL FITNESS BRAND R E S I S T A N C E B A N D • Soft material (25-30 Shore A durometer) • Grippy feel • Good colorability • Compatible with injection molding • Developed a custom-made TPE with excellent rebound resilience, even after 45,000 stretches • Replaced thermoset rubber with a recyclable material • Supported higher production efficiency to reduce total cost Versaflex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PROCESSABILITY + PERFORMANCE LEARN MORE Copyright © 2024, Avient Corporation.

T P E E A N D T P U F I L M M A N U FAC T U R E R H O T M E L T A D H E S I V E F I L M • Anti-phenol yellowing after storage • Keep natural color of product • No impact on melt flow ability • Prevented the appearance quality from yellowing after storage • Had no negative impact on the product’s mechanical properties • Extended the shelf life and durability of the product CesaTM Anti-phenolic Yellowing Additive KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION FUNCTIONALITY + CONVENIENCE LEARN MORE Avient Corporation 1 https://www.avient.com/products/polymer-additives Slide 1: TPEE and TPU Film MANUFACTURER

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. For the same reasons, Avient is unable to address the probable significance of the unavailable information.

Patterson, Chairman, President, and Chief Executive Officer, Avient Corporation. The comprehensive publication is issued in advance of Avient’s upcoming Sustainability Day to be held on September 20, 2023. To access Avient’s news library online, please visit www.avient.com/news.

Adjusted EPS of $0.52 exceeded the $0.48 projection included in the Company’s performance update provided in December and was driven by better-than-expected sales in the Color, Additives and Inks segment. Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. 1 Mr. Patterson added, “Our Color, Additives and Inks segment also delivered record operating income of $58 million during the fourth quarter.

Patterson, Chairman, President, and Chief Executive Officer, Avient Corporation. Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. To access Avient’s news library online, please visit www.avient.com/news.