Avient Stock Performance The following is a graph that compares the cumulative total shareholder returns for Avient’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received. The S&P Mid Cap Chemicals index includes a broad range of chemical manufacturers. Because of the relationship of Avient’s business within the chemical industry, comparison with this broader index is appropriate.

These materials are semi-crystalline and deliver excellent chemical resistance, low moisture uptake, and dimensional stability similar to nylon (PA6 and PA66). They are not available for purchase and are not intended for use in countries outside of North America and South America. 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

© 2021, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Versaflex™ TPEs, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit us at avient.com. Its design team determined the need for a soft-touch material with strong chemical resistance and color stability for the mouse grip. It also boasts excellent chemical resistance to common substances like cosmetics and cleaners, as well as foods such as olive oil and mustard.

SAFETY EQUIPMENT MANUFACTURER H E A R I N G P R O T E C T I O N H E A D S E T • High performing acoustic solution • Lightweight material • Good surface aspect • Lost cost solution • Met acoustic test and chemical resistance requirements Gravi-Tech™ Density Modified Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CHEMICAL RESISTANCE + LIGHTWEIGHTING LEARN MORE © 2023, Avient Corporation, All Rights Reserved.

Stan-Tone™ SMB Silicone Masterbatch Dispersions

At Avient, we have solutions that can help address these challenges. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is a premier provider of specialized and sustainable material solutions and services that transform customer challenges into opportunities.

The problem is that most polymer housings are not able to resist the chemicals involved in this treatment without cracking. The manufacturer was struggling to find a replacement material with excellent chemical resistance and a high flame retardant rating. THE SOLUTION The manufacturer approached Avient with its challenge.

HVAC AUTOMOTIVE PRODUCER N O R T H A M E R I C A Excelite™ IM Chemical Foaming Additives WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + CYCLE TIME LEARN MORE • Achieved average weight reduction across molds of 7.75% • Achieved cycle time reduction of 15-20% • Provided key support with equipment and processing • Reduced energy consumption • Projected savings of $500,000 annually KEY REQUIREMENTS • Lightweighting • Cycle time improvement • Processing support to enable a seamless transition to begin using foam Copyright © 2020, Avient Corporation. https://www.avient.com/products/polymer-additives/foaming-agents/colormatrix-excelite-chemical-foaming-additives

SURGICAL INSTRUMENT OEM I N T R A O R A L S C A N N E R • Chemical and impact resistance • Customized pre-colored solutions • Color and dimension stable after sterilization • Minimum color deviation and easy to process • Technical support and color expertise • Offered bright white and customized pre- colored formulations in PPSU and PSU for intraoral scanner head and body parts • Provided a solution that can withstand up to 1,000 cycles autoclave, with good chemical and excellent impact resistance • Met customer request for color stability after processing and biocompatible compliance Transcend™ Premier Healthcare Colorants KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION RESISTANCE + CUSTOMIZED COLORS LEARN MORE Copyright © 2023, Avient Corporation.

Seat Ventilation Tube Case Study Snapshot LEADING LUXURY CAR MANUFACTURER S E A T V E N T I L A T I O N T U B E • Reliable sealing performance • Good bonding ASA+PBT • Excellent chemical resistance and good flexibility • Provided a TPE with good flexibility to maintain a tight seal within the ventilation system, preventing air leaks and ensuring efficient airflow • Formulated a durable and chemically resistant grade to help withstand the various stresses and environmental conditions that the ducts may encounter • Offered quick technical support to fix the leak problem for customer Versaflex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SEALING + OVERMOLDING LEARN MORE Copyright © 2024, Avient Corporation.