X0306 4 2017-03-31 0001364742 BlackRock Inc. BLK 0001204524 EINHORN JESSICA P BLACKROCK, INC. 55 EAST 52ND STREET NEW YORK NY 10055 1 Shares Of Common Stock (par Value $0.01 Per Share) 2017-03-31 4 A 0 16 0 A 2302 D Shares Of Common Stock (par Value $0.01 Per Share) 2017-03-31 4 A 0 456 0 A 2758 D Common Stock granted to Nonemployee Directors under the Second Amended and Restated BlackRock, Inc. 1999 Stock Award and Incentive Plan (the "Plan"), based on $383.51 per share which was the closing price of the stock on March 31, 2017. Restricted Stock Units granted to Nonemployee Directors under the Plan, based on $383.51 per share which was the closing price per share of the Common Stock on March 31, 2017. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock, is immediately vested and will not be settled until the earlier of 3 years from grant or departure from the Board of Directors. /s/ Daniel R. Waltcher as Attorney-in-Fact for Jessica P. Einhorn 2017-04-04