X0407 4 2023-05-18 0 0000006176 AMPCO PITTSBURGH CORP AP 0001498290 DiSanto Frederick D. 6060 PARKLAND BOULEVARD SUITE 200 CLEVELAND OH 44124 1 0 0 0 0 Common Stock 2023-05-18 4 A 0 12728 0.00 A 25456 D Common Stock 491517 I By: Ancora Catalyst Institutional, LP Common Stock 42774 I By: Ancora Catalyst, LP Common Stock 484535 I By: Ancora Merlin Institutional, LP Common Stock 49705 I By: Ancora Merlin, LP Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated as of May 18, 2023. These grants of restricted stock vest on the first anniversary of the grant date. Shares owned directly by Ancora Catalyst Institutional, LP. Mr. DiSanto, solely by virtue of his position as the Chairman and Chief Executive Officer of Ancora Holdings Group, LLC ("Ancora Holdings"), the sole member of Ancora Alternatives, LLC ("Ancora Alternatives"), the General Partner of Ancora Catalyst Institutional, LP, may be deemed to beneficially own the shares owned directly by Ancora Catalyst Institutional, LP, for purposes of Section 16. Mr. DiSanto expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Shares owned directly by Ancora Catalyst, LP. Mr. DiSanto, solely by virtue of his position as the Chairman and Chief Executive Officer of Ancora Holdings, the sole member of Ancora Alternatives, the General Partner of Ancora Catalyst, LP, may be deemed to beneficially own the shares owned directly by Ancora Catalyst, LP, for purposes of Section 16. Mr. DiSanto expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Shares owned directly by Ancora Merlin Institutional, LP. Mr. DiSanto, solely by virtue of his position as the Chairman and Chief Executive Officer of Ancora Holdings, the sole member of Ancora Alternatives, the General Partner of Ancora Merlin Institutional, LP, may be deemed to beneficially own the shares owned directly by Ancora Merlin Institutional, LP, for purposes of Section 16. Mr. DiSanto expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Shares owned directly by Ancora Merlin, LP. Mr. DiSanto, solely by virtue of his position as the Chairman and Chief Executive Officer of Ancora Holdings, the sole member of Ancora Alternatives, the General Partner of Ancora Merlin, LP, may be deemed to beneficially own the shares owned directly by Ancora Merlin, LP, for purposes of Section 16. Mr. DiSanto expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. /s/ Kimberly P. Knox, attorney-in-fact 2023-05-18