The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/yrq7mgm9.  

at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/ko4y5g9z.

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Avient's chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the company and each business segment and to allocate resources. https://www.avient.com/investors/ https://edge.media-server.com/mmc/p/ky9b3iov https://www.avient.com/investors/ https://register.vevent.com/register/BIa7fc29ba31db4eec88eca2de2a3faa90 https://www.avient.com/investors/events-presentations https://www.avient.com/news-events 4 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.

https://www.avient.com/investors https://edge.media-server.com/mmc/p/izyekkyu https://www.avient.com/investors https://register.vevent.com/register/BI3c8fe685f32648e0abfb1ac2c77a59d9 https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Avient's chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. For more information, visit https://www.avient.com.

ELECTRICAL PARTS MANUFACTURER H E A V Y D U T Y C O N N E C T O R S A N D A C C E S S O R I E S • Reduce material rematching and rejection through more efficient pre-testing • Improve processing efficiencies and color consistency in highly FR-filled and high-temperature resins • Achieve regulatory compliance across multiple resin families • Gain better supply chain control to manage scarcity of key engineering resins and changing resin producers • Offered eight UL 94-recognized sites in U.S. and Canada that perform comprehensive analytical, physical and mechanical testing • Provided increased speed to market and expedited design timelines for new products using existing standardized and pre- approved color palettes • Ensured regulatory compliance and security of supply OnColor™ UL 94 Colorants KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION QUALITY + SPEED TO MARKET LEARN MORE © 2023, Avient Corporation, All Rights Reserved https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ul94-colorants

chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. For more information, visit https://www.avient.com. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/k7okojz2.   chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. For more information, visit https://www.avient.com. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. For more information, visit https://www.avient.com. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.