X0306 4 2022-06-30 0001364742 BlackRock Inc. BLK 0001530891 Slim Domit Marco Antonio BLACKROCK, INC. 55 EAST 52ND STREET NEW YORK NY 10055 1 Shares Of Common Stock (par Value $0.01 Per Share) 2022-06-30 4 A 0 17 0 A 6177 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 $609.04 per share which was the closing price of the stock on June 30, 2022. This reflects an adjustment to include an aggregate of 81 shares of Common Stock previously awarded under the Plan and deferred until retirement, which were not reflected in the number of shares as previously reported. Those awards were inadvertently reported on a net of tax basis and should have been reported on a gross basis. /s/ R. Andrew Dickson III as Attorney-in-Fact for Marco Antonio Slim Domit 2022-07-01