X0306 4 2022-03-11 0 0001838672 AdTheorent Holding Company, Inc. ADTH 0001900441 Kiarie Kihara C/O ADTHEORENT HOLDING COMPANY, INC. 330 HUDSON STREET, 13TH FLOOR NEW YORK NY 10013 1 0 0 0 Common Stock, $0.0001 Par Value 2022-03-11 4 A 0 32928 0.00 A 32928 D Common Stock, $0.0001 Par Value 2022-03-11 4 A 0 21952 0.00 A 54881 D Pursuant to the terms of the Issuer's 2021 Long-Term Incentive Plan, the Reporting Person was granted Restricted Stock Units ("RSUs"), which shall vest in three, equal annual installments, beginning on January 1, 2023, subject to continuous service to the Issuer through such date. Pursuant to the terms of the Issuer's 2021 Long-Term Incentive Plan, the Reporting Person was granted RSUs, which shall vest On January 1, 2023, subject to continuous service to the Issuer through such date. /s/ Thomas P. Conaghan, Attorney-in-Fact 2022-03-15