X0303 4 2011-01-31 0 0001364742 BlackRock Inc. BLK 0001059242 GOLUB BENNETT BLACKROCK, INC. 55 EAST 52ND STREET NEW YORK NY 10055 0 1 0 0 Chief Risk Officer Shares of Common Stock (par value $0.01 per share) 2011-01-31 4 F 0 3184 194.28 D 232381.033 D Shares of Common Stock (par value $0.01 per share) 56223.1977 I Trust for benefit of family Represents the withholding by BlackRock of Common Stock to satisfy tax obligation on the vesting of the reporting person's Restricted Stock Units and shares of Restricted Stock granted under the Amended and Restated BlackRock, Inc. 1999 Stock Award and Incentive Plan. Includes 464.2435 shares of Common Stock acquired by the reporting person under the BlackRock, Inc. Employee Stock Purchase Plan. Also includes 1,307.7895 shares of Common Stock held in the BlackRock, Inc. Retirement Savings Plan. Also includes (i) 17,786 Restricted Stock Units vesting on 9/29/11, (ii) 2,326 Restricted Stock Units vesting on 1/31/12, (iii) 2,832 shares of Restricted Stock vesting in equal installments on 1/31/12 and 1/31/13, (iv) 1,715 shares of Restricted Stock vesting on 1/31/12, (v) 5,925 shares of Restricted Stock vesting in equal installments on 1/31/12, 1/31/13 and 1/31/14 and (vi) 5,613 shares of Restricted Stock vesting on 1/31/14. 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 Bennett Golub 2011-02-02