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• Provided excellent dispersion with highly concentrated TiO2 • Offered customized solutions to achieve customer request on TiO2 % @ 80% • Maintained good light fastness https://www.avient.com/products/polymer-colorants Slide 1: EXTRUSION FILM MANUFACTURER

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Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/k7okojz2. To access, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 2171339. http://www.avient.com/investors https://edge.media-server.com/mmc/p/k7okojz2 https://edge.media-server.com/mmc/p/k7okojz2 http://www.avient.com/investors 4 About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, 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 www.avient.com. # # # https://www.avient.com/ 5 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.

Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/yrq7mgm9.To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7899765. To access, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 7899765. http://www.avient.com/investors https://edge.media-server.com/mmc/p/yrq7mgm9 https://edge.media-server.com/mmc/p/yrq7mgm9 http://www.avient.com/investors 3 Full Year Comparisons Pro Forma for Acquisition of Clariant’s Color Business The company acquired Clariant’s color (“Clariant Color”) business on July 1, 2020 (the “Acquisition Date”). For more information, visit www.avient.com. # # # http://www.avient.com/ 4 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.

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/pyh3w2ip/ https://www.avient.com/investors https://register.vevent.com/register/BId7a8a09515a442e9b13c4d5558d927fe https://www.avient.com/investors/events-presentations 4 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. For more information, visit https://www.avient.com/. 5 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.