X0304 4 2011-12-14 0001408198 MSCI Inc. MSCI 0001120741 OBSTLER DAVID M MSCI INC. ONE CHASE MANHATTAN PLAZA, 44TH FL NEW YORK, NY 10005 0 1 0 0 Chief Financial Officer Class A Common Stock 2011-12-14 4 F 0 1650 31.83 D 23461 D Represents shares reacquired by MSCI to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 3,268 restricted stock units granted to the Reporting Person on December 14, 2010. /s/ Davis Obstler 2011-12-16