X0306 4 2016-01-27 0 0001408198 MSCI Inc. MSCI 0001560708 Zangari Peter J. MSCI INC. 7 WORLD TRADE CENTER, 250 GREENWICH ST. NEW YORK NY 10007 0 1 0 0 Head of Analytics Common Stock 2016-01-27 4 F 0 423 66.21 D 61608 D Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 999 restricted stock units granted to the Reporting Person on January 27, 2015. /s/ Cecilia Aza, attorney-in-fact 2016-01-29