Transaction Details

Footnotes

Represents the payment of tax liability by withholding shares incident to the vesting of the performance-based restricted stock units. | Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units. | Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation ("Company") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025. Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's 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 common stock of the Company. The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award. The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027.