X0306 4 2019-06-21 0 0001393818 Blackstone Group L.P. BX 0001128476 MULRONEY BRIAN C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 1 0 0 0 Common units representing limited partner interests 2019-06-21 4 A 0 4651 0.00 A 169375 D Granted under the 2007 Equity Incentive Plan, these deferred restricted units will vest, and the underlying common units will be delivered, on June 21, 2020 subject to the Reporting Person's continued service on the board of directors of Blackstone Group Management L.L.C., the general partner of The Blackstone Group L.P. Tabea Y. Hsi as Attorney-In-Fact 2019-06-25