The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/eaivs28r.   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 6746706.  To access, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 6746706.

at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/ko4y5g9z. 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 3293155, as previously announced. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

For more information, visit https://www.avient.com. Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Whether you’re looking to create lightweight designs, amp up aesthetics, rethink comfort, or bring to life your latest cutting-edge idea, you can count on Avient for design and advanced polymer recommendations that will excite your customers and add to your profitability.

Visit the new SurfaceChoice Films Design Center at:  http://www.polyone.com/films-design-center Laurie Forbush Marketing Communications Manager PolyOne Corporation +1 440-930-3320 laurie.forbush@avient.com

AMPS 349735 X GT 38317-01A-1 X ET-37676-01C#1

AMPE 156984 C-LAVENDER PRL 48-1-2C Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

AMPE 348401 ET6000-0006 HI UV Velocity Blue 1 NM Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

BLACK TINT 1% AMPE XXXXXX Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

AMPE 254319 Cobalt Blue 485-10268-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)