X0306 4 2022-03-11 0 0001838672 AdTheorent Holding Company, Inc. ADTH 0001900499 Jordan Charles C/O ADTHEORENT HOLDING COMPANY, INC. 330 HUDSON STREET, 13TH FLOOR NEW YORK NY 10013 0 1 0 0 Chief Financial Officer Common Stock 2022-03-11 4 A 0 47564 0.00 A 47564 D Option 0.47 2027-10-01 Common Stock 112548 112548 D Option 0.59 2028-02-15 Common Stock 78158 78158 D Option 0.74 2029-05-06 Common Stock 78158 78158 D Pursuant to the terms of the Issuer's 2021 Long-Term Incentive Plan, the Reporting Person was granted Restricted Stock Units, which shall vest in four equal, annual installments, beginning on January 1, 2023, subject to the Reporting Person's continuous employment with the Issuer. This Option grant was vested in full as of 5/15/2021. This Option grant was vested in full on 12/31/2021. This Option grant was vested 79.2% vested on 2/28/2022, with the remaining unvested portion of this Option grant vesting at the rate of 2.1% per month (or 1,042 shares per month thereafter), subject to Mr. Jordan remaining continuously employed through each vesting date. /s/ Thomas P. Conaghan, Attorney-in-Fact 2022-03-15