X0306 4 2021-11-22 0 0001819928 DoubleVerify Holdings, Inc. DV 0001853874 McLaughlin Matthew F. C/O DOUBLEVERIFY HOLDINGS, INC. 233 SPRING STREET NEW YORK NY 10013 0 1 0 0 Chief Operating Officer Options (Rights to Buy) 2.01 2021-11-22 4 A 0 601412 0.00 A 2021-11-22 2027-09-20 Common Stock 601412 601412 I By Trust Represents non-qualified stock options granted on September 20, 2017 that vested on November 22, 2021 upon Providence VII U.S. Holdings L.P. receiving cumulative cash proceeds in respect of its investment in DoubleVerify Holdings, Inc. (the "Company") equal to two times its aggregate cash investment in the Company. Represents options held by The McLaughlin Family Trust for which Mr. McLaughlin is a trustee. /s/ Andrew E. Grimmig, as Attorney-in-Fact for Matthew F. McLaughlin 2021-11-24