Income tax benefit on above special items Pension and other post-retirement benefits Decrease in pension and other post-retirement benefits

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2024 RE S U LT S Q1 2024 PERFORMANCE VS.

regions benefited largely from restocking and share gains, particularly in the packaging end market." Income tax benefit on above special items Pension and other post-retirement benefits

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Ashish Khandpur, Chairman, President and Chief Executive Officer, Avient Corporation. To access Avient’s news library online, please visit www.avient.com/news. About Avient Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world.

Avient Income tax benefit on above special items Pension and other post-retirement benefits

Income tax benefit (expense) Income tax benefit on special items Income tax (benefit) expense

Income tax benefit on above special items Pension and other post-retirement benefits Income tax (expense) benefit

In addition, and again for comparability, adjusted EPS also excludes the benefit of interest income earned on cash raised in connection with the February share issuance. This calculation of adjusted EPS excludes the additional February shares issued, the benefit of interest income earned on cash raised in connection with the share issuance, as well as the interest expense recognized in connection with the debt proceeds received from the May senior unsecured notes offering. Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

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