X0304 4 2012-01-31 0 0001364742 BlackRock Inc. BLK 0001344979 Feliciani Joseph BLACKROCK, INC. 55 EAST 52ND STREET NEW YORK NY 10055 0 1 0 0 Principal Accounting Officer Shares of Common Stock (par value $0.01 per share) 2012-01-31 4 F 0 1011 183.22 D 13439 D Represents the withholding by BlackRock of Common Stock to satisfy tax obligation on the vesting of the reporting person's Restricted Stock Units granted under the Amended and Restated BlackRock, Inc. 1999 Stock Award and Incentive Plan. Includes (i) 162 Restricted Stock Units vesting on 1/31/13, (ii) 665 Restricted Stock Units vesting in installments on 1/31/13 and 1/31/14, (iii) 1,746 Restricted Stock Units vesting on 1/31/14, (iv) 911 Restricted Stock Units vesting in installments on 1/31/13, 1/31/14 and 1/31/15 and (v) 2,286 Restricted Stock Units vesting on 1/31/15. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock. /s/ Daniel R. Waltcher as Attorney-in-Fact for Joseph Feliciani 2012-02-02