Buyer shall examine Product promptly after receipt for damage, short-weight and non- conformance with Seller’s warranties.

Buyer shall examine Product promptly after receipt for damage, short-weight and non- conformance with Seller’s warranties.

Buyer shall examine Product promptly after receipt for damage, short-weight and non- conformance with Seller’s warranties.

Buyer shall examine Product promptly after receipt for damage, short-weight and non-conformance with Seller’s warranties.

Three Months Ended Year Ended Reconciliation of Pro Forma Adjusted Earnings per Share December 31, 2022 Net (loss) income from continuing operations attributable to Avient shareholders $ (17.0) $ 82.8 Special items, after tax 38.3 116.2 Amortization expense, after-tax 14.6 49.0 Adjusted net income from continuing operations excluding special items 35.9 248.0 Pro forma adjustments* 2.5 13.6 APM pro forma amortization expense, after-tax* — 19.1 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.4 $ 280.7 Weighted average diluted shares 91.7 92.2 Pro forma adjusted EPS - excluding special items pro forma for APM acquisition $ 0.42 $ 3.04 * Pro forma adjustment to reflect APM results for the period before Avient ownership including the impacts of debt financing and paydown of debt with net proceeds from the Distribution sale.

Buyer will examine the Product promptly after receipt for damage, defects, short-weight and non-conformance.

Buyer shall examine Product promptly after receipt for damage, short-weight and non- conformance with Seller’s warranties.

Buyer shall examine Product promptly after receipt for damage, short- weight and non-conformance with Seller’s warranties.

Buyer shall examine Product promptly after receipt for damage, short-weight and non- conformance with Seller’s warranties.

Buyer shall examine Product promptly after receipt for damage, short-weight and non- conformance with Seller’s warranties.