X0306 4 2021-04-30 0 0001818383 MediaAlpha, Inc. MAX 0001093166 VRABECK KATHY P C/O MEDIAALPHA, INC. 700 SOUTH FLOWER STREET, SUITE 640 LOS ANGELES CA 90017 1 0 0 0 Class A Common Stock 2021-04-30 4 M 0 1316 0.00 A 2631 D Restricted Stock Units 0.00 2021-04-30 4 M 0 1316 0.00 D Class A Common Stock 1316 13159 D One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU"). Each RSU represents a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value. On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date. /s/ Lance Martinez, attorney-in-fact for Vrabeck Kathy 2021-05-04