NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for 2023 Sustainability Day CLEVELAND – August 28, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, has announced registration details for a virtual Sustainability Day for investment professionals on Wednesday, September 20, 2023, from 9 a.m. – 11 a.m.

PowerPoint Presentation M E D I C A L C O N N E C T O R S • Ongoing production with no change to regular set up • Excellent processing and demolding performance • Color stability during processing • Excellent chemical and impact resistance • Enabled efficient ongoing production rates without changing any processing parameters • Safeguarded color stability and transparency during processing for optimal aesthetics • Ensured regulatory requirements for biocompatible ISO109931 and FDA were met • Provided a solution effective across a range of high-temperature polymers, including PEEK, PPSU, PES, PSU, PEI, LCP, and PPS Colorant Chromatics Evoluscend non- PFAS* high-temperature polymer mold release additive KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION PRODUCTIVITY + REGULATORY LEARN MORE ELECTRICAL COMPONENT OEM (*) A non-PFAS additive manufactured without non-intentionally added (NIA) PFAS or PTFE. (*) manufactured without intentionally added PFAS and without PTFE (1) refers to sulfone products only https://www.avient.com/products/polymer-additives/processing-enhancement-additives/colorant-chromatics-evoluscend-non-pfas-high-temperature-mold-release-additive Slide Number 1

It includes the latest injection and compression molding equipment for overmolded composite part sampling and prototyping as well as advanced testing systems for material analysis.

CLEVELAND – August 19, 2021 – Avient today announced the latest additions to its growing reSound™ R recycled-content thermoplastic elastomers (TPE) portfolio.

Maxxam REC and Maxxam BIO polyolefins are the latest additions to our growing sustainability portfolio.

These TPEs are the latest addition to Avient’s growing portfolio of solutions with enhanced dielectric performance and capabilities for 5G applications.

This new product is the latest demonstration of our commitment to both innovation and protection.”

Avient will also feature the latest Mevopur™ Healthcare Bio-based Polymer Solutions from its portfolio, with a new standard color range centered on bio-based polypropylene (bio-PP).

The PCR Color Prediction Service is the latest addition to our growing portfolio of services and solutions specifically created to support a circular economy by improving the customer experience of working with PCR content, designing out waste and pollution, keeping products and materials in use, and regenerating natural systems across the value chain.   

Sustainability experts from Avient will be on site to discuss the latest innovative solutions and help address recycling challenges.