MOLD DESIGN RECOMMENDATIONS Gates • Many different types of gates can be used such as pin, fan, tunnel, tab and edge gates.

MOLD DESIGN RECOMMENDATIONS Gates • Many different types of gates can be used such as pin, fan, tunnel, tab and edge gates.

Many different types of gates can be used such as pin, fan, tunnel, tab and edge gates 2.

MOLD DESIGN RECOMMENDATIONS Gates • Many different types of gates can be used, such as fan, tunnel, tab, and edge gates. • Moderate gate size according to the part geometry.

Commercial Improvements Lower part costs improve margins and increase competitive edge.

All types of gates can be used such as pin, fan, tunnel, tab and edge gates.

To access Avient’s news library online, please visit www.avient.com/news. https://www.avient.com/news 4 Pro Forma for Acquisition of Avient Protective Materials business (APM) On September 1, 2022, the company acquired DSM’s Protective Materials business, the foundation of which is the renowned technology and globally admired brand of Dyneema®, the World’s Strongest Fiber™. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. https://www.avient.com/investors https://edge.media-server.com/mmc/p/a8tcrg4m https://www.avient.com/investors https://register.vevent.com/register/BI125445d5780d4c898d63ec3c1fa53045 https://www.avient.com/investors/events-presentations 5 About Avient 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. For more information, visit https://www.avient.com. 6 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

KEY FEATURES • Compatible with various Fiber-Line fibers, performance-adding processes, and thermoplastic resins to meet your application needs • Tapes available up to 5 inch width via spools or cut-to-length • Rapid prototyping FIBERS FOR FIBER-LINE TAPES • Carbon fiber • Fiberglass • Kevlar® Para-Aramid • Nomex® Meta-Aramid FIBER-LINE PERFORMANCE-ADDING PROCESSES • Coating • Twisting KEY APPLICATIONS • Oil & Gas • Industrial • Aerospace Polystrand™ Thermoplastic Tape Fiber-Line™ Thermoplastic Tape

Microsoft PowerPoint - Avient February IR Meetings AVIENT CORPORATION (NYSE: AVNT) F E B R U A R Y 1 7 - 1 8 , 2 0 2 1 I N V E S T O R M E E T I N G S H O S T E D B Y G O L D M A N S A C H S A N D M O R G A N S T A N L E Y DISCLAIMER 2 Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 26 1.

Microsoft PowerPoint - Avient IR Presentation - May 2021 AVIENT CORPORATION M AY 2 0 2 1 I N V E S T O R M E E T I N G S (NYSE: AVNT) DISCLAIMER 2 Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Our free cash flow supports shareholder value creation through investing in R&D for organic growth, completing bolt-on acquisitions, and returning cash to shareholders via our dividend program and opportunistic share repurchases. 27 1.