X0407 4 2023-05-15 0 0000006176 AMPCO PITTSBURGH CORP AP 0001747181 Lyon Samuel 726 BELL AVENUE CARNEGIE PA 15106 0 1 0 0 President of Union Electric 0 Common Stock 2023-05-15 4 A 0 21120 0.00 A 129788 D Performance Rights 2023-05-15 4 A 0 50000 0.00 A 2027-05-15 Common Stock 50000 50000 D Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation ("Company") 2016 Omnibus Incentive Plan, as amended and restated as of May 13, 2021. Each restricted stock unit represents the contingent right to receive, upon vesting of the unit, one share of Ampco-Pittsburgh Corporation common stock. Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date. Each performance right represents a contingent right to receive one share of Ampco-Pittsburgh stock. The performance rights vest upon Ampco-Pittsburgh's common stock achieving a specific price per share. /s/ Kimberly P. Knox, attorney-in-fact 2023-05-16