X0306 4 2016-12-06 1 0001443646 Booz Allen Hamilton Holding Corp BAH 0001444482 EXPLORER COINVEST LLC 1001 PENNSYLVANIA AVE. NW SUITE 220 SOUTH WASHINGTON DC 20004-2505 0 0 1 0 0001562524 Explorer Manager, L.L.C. 1001 PENNSYLVANIA AVE. NW SUITE 220 SOUTH WASHINGTON DC 20004-2505 0 0 1 0 Class A Common Stock 2016-12-06 4 S 0 16660000 36.52 D 0 I See Footnote Explorer Coinvest LLC is the record holder of these shares. Explorer Manager, L.L.C., as the non-member manager of Explorer Coinvest LLC, shares the power to vote and dispose of these shares. EXPLORER COINVEST LLC, By: /s/ David B. Pearson, Member 2016-12-08 EXPLORER MANAGER, L.L.C., By: /s/ David B. Pearson, Member 2016-12-08