X0306 4 2022-02-04 0 0001408198 MSCI Inc. MSCI 0001673075 Mak Jennifer H MSCI INC. 7 WORLD TRADE CENTER, 250 GREENWICH ST. NEW YORK NY 10007 0 1 0 0 Global Controller Common Stock 2022-02-04 4 F 0 108 554.71 D 5486 D Common Stock 2022-02-06 4 F 0 135 554.71 D 5351 D Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of the first tranche of 210 restricted stock units ("RSUs") granted on February 4, 2021. Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of the second tranche of 264 RSUs granted on February 6, 2020. /s/ Cecilia Aza, attorney-in-fact 2022-02-08