X0304 4 2012-01-31 0 0001364742 BlackRock Inc. BLK 0001022729 WILSON KENDRICK R III BLACKROCK, INC. 55 EAST 52ND STREET NEW YORK NY 10055 0 1 0 0 Vice Chairman Shares of Common Stock (par value $0.01 per share) 2012-01-31 4 F 0 991 183.22 D 78020 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) 45,717 Restricted Stock Units vesting in installments on 1/31/13 and 1/31/14, (ii) 4,824 shares of Restricted Stock vesting in equal installments on 1/31/13 and 1/31/14, (iii) 3,742 shares of Restricted Stock vesting on 1/31/14 and (iv) 22,317 shares of Restricted Stock 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 Kendrick R. Wilson 2012-02-02