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?

FLEXIBLE PACKAGING MANUFACTURER F L E X I B L E P O U L T R Y P A C K A G I N G • Provide low friction resistance for multilayer film structures with external polyamides • Prevent self-adhesion of plastic films • Enhance the end-use appearance • Provided additives that result in a lower coefficient of friction for packaging end products • Enhanced the appearance of packaging surfaces by creating a smoother finish • Offered expertise in additives for polyamides in flexible packaging and assistance in achieving regulatory approval Cesa Anti-Block Additives and Cesa Slip Additives KEY REQUIREMENTS WHY AVIENT?

PowerPoint Presentation MEDICAL DEVICE MANUFACTURER O S T O M Y B A G S E A L S • Comply with ISO 10993 and FDA Class II medical device regulations • Offer Good sealing performance • Provide technical supports for processing recommendations • Deliver a high compression set materials to improve comfort • Provided a medical-grade TPE to help the customer meet necessary regulatory specifications and gain market share • Provided technical support during design and the manufacturing process for EVA bonding • Delivered soft-touch feel and excellent sealing performance Versaflex HC Thermoplastic Elastomers - G2705 Formulation KEY REQUIREMENTS WHY AVIENT?

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?

Baby diaper manufactureR BABY DIAPER MANUFACTURER P P N O N W O V E N M U L T I L A Y E R S • Provide slip additives with high concentrated content • Offer products meeting customer FDA requirements • Shorten supply lead time and reduce cost compared with importing from EU • Offered additives with high concentrated content, which is unachievable for competitors • Provided regulatory support, significant cost and time savings • Compressed the timeline through on-site color visualization, exploration, and formulation of new colors by the expert designer Cesa Slip Additives KEY REQUIREMENTS WHY AVIENT?

Medical gown manufacturer MEDICAL GOWN MANUFACTURER P P N O N W O V E N M U L T I L A Y E R S • Excellent anti-microbial and anti-virus performance • Pass JIS Test • Provide technical support including specific specs, processing and molding recommendations • Customized anti-virus solutions designed to support performance standards for materials used in the surgical environment • Provided technical support for material selection, part & tool design, and process development to accelerate commercialization • Supported customer’s products pass the JIS test Cesa WithStand Antimicrobial Additives KEY REQUIREMENTS WHY AVIENT?

In December, we completed our annual employee engagement survey and received our 3rd consecutive Great Place to Work® certification from the Great Place to Work Institute.” 3 2022 Outlook “As we discussed during our Investor Day in December, we have momentum in growing sustainable solutions, solving healthcare challenges and broadening advanced composite applications,” said Jamie A. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for adjusted earnings per share, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort.

The company noted it will provide more details on its third quarter results and outlook during the webcast scheduled for 8:00 a.m. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for adjusted earnings per share, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort.

The underlying growth in these regions helped offset softer demand in Europe and Southeast Asia." 2 2024 Outlook “Looking ahead to the second quarter, we expect adjusted EPS of $0.71, a 13% increase over the prior year," said Jamie Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. Avient will provide additional details on its 2024 first quarter and 2024 outlook during its webcast scheduled for 8:00 a.m.

SEMICONDUCTOR PACKAGING OEM S P E C I A L T Y , S T A T I C D I S S I P A T I V E P A C K A G I N G • Provide protection against electrostatic discharge (ESD) and environmental variations • Ensure highly specialized, clean manufacturing conditions • Deliver stringent quality control of ionic and metal contamination • Maintain availability of raw materials across a global supply chain • Ability to translate production globally • Protected critical electronics from ESD while providing an environmental barrier • Adhered to strict quality and cleanliness controls from raw material handling through production to help maintain high-purity standards, such as ultra-clean feeders, deionized water, and specific HVAC systems, supporting quality initiatives, including PCS reviews, eCoA, and HA assessments • Exceeded customer expectations for controlling ionic and metal contamination down to parts per billion (PPB) • Offered global capabilities with local support and material supply to meet growing semiconductor industry needs Stat-Tech Static Dissipative Formulations KEY REQUIREMENTS WHY AVIENT?