Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). We are Avient. Avient acquired Clariant Color on July 1, 2020 (the “Acquisition Date”).

Microsoft PowerPoint - AVNT Nov 2022 Earnings Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) D E C E M B E R 2 0 2 2 AVIENT: WHO WE ARE 40 23 9 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 9,300+ employees 100+ manufacturing plants Key Financial Data 2022PF Sales $3.6 billion 2022PF EBITDA $585 million 2022PF EPS $2.95 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 2 Guidance as of November 2, 2022 Webcast WHO WE ARE – VISION, STRATEGY, CULTURE 3 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. OUR VISION At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

Microsoft PowerPoint - AVNT Nov 2022 Earnings Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) D E C E M B E R 2 0 2 2 AVIENT: WHO WE ARE 40 23 9 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 9,300+ employees 100+ manufacturing plants Key Financial Data $3.6 billion2022PF Sales $585 million2022PF EBITDA $2.952022PF EPS 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 2 Guidance as of November 2, 2022 Webcast WHO WE ARE – VISION, STRATEGY, CULTURE 3 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. OUR VISION At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

CASE STUDY: GORDON™ COMPOSITES UNIDIRECTIONAL LAMINATES WILLOWWOOD MEETS PROSTHETIC PATIENT NEEDS WITH ADVANCED COMPOSITES To learn more, please contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. When developing a more flexible prosthetic foot for low- activity amputees, WillowWood approached the Avient advanced composites group for help improving the experience of end-users. © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012

PIRANHA IS PROPELLED TO PERFORM WITH LONG FIBER COMPOSITES LONG FIBER COMPOSITES ADD TOUGHNESS AND DESIGN FLEXIBILITY © 2022, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more, please contact Avient at 1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. THE SOLUTION Avient proactively worked with Piranha to develop the next generation propeller. Avient’s Complēt MT composite materials enable up to 20% more impact resistance than standard long fiber reinforced materials.

To learn more, contact Avient at +1.844.4AVIENT (844.428.4368). THE SOLUTION The Avient technical team leveraged its expertise in liquid colorants and chemical additives to scientifically engineer its line of ColorMatrix™ Excelite™ chemical foaming additives (CFAs) for PVC processing. When coupled with customized metering equipment from Avient, processors were able to achieve uniform distribution of active CFA content.

In addition, he serves as the primary point of contact for Avient’s shareholders. He joined Avient in 2011 as assistant controller and later served as director, finance for the company’s Global Color, Additives & Inks business segment. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Ripple joined Avient in 1998. Before joining Avient, he held various commercial roles in the specialty elastomers and specialty polybutylene businesses at Shell Chemical Company. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

To learn more, please contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 THE CHALLENGE Category cables serve a critical role in our increasingly connected world. THE SOLUTION The manufacturer worked with Avient to identify alternatives to FEP insulation that would meet requirements in their data cable.

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 23 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 2 2 2 3 3 3 4 3 4 4 5 5 5 5 5 6 7 27 e nt e nt ( xc l. We are Avient.