X0202 4 2007-07-27 0 0001364742 BlackRock Inc. BLK 0001059226 ANDERSON KEITH BLACKROCK, INC. 40 EAST 52ND STREET NEW YORK NY 10022 0 1 0 0 Vice Chairman Shares of Common Stock, par value $0.01 per share 2007-07-27 4 M 0 24900 37.36 A 183997.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 13200 165.00 D 170797.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 500 165.01 D 170297.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.02 D 170097.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 100 165.03 D 169997.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 500 165.04 D 169497.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 955 165.05 D 168542.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.06 D 168342.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 500 165.10 D 167842.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 1145 165.11 D 166697.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.14 D 166497.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 100 165.16 D 166397.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 700 165.19 D 165697.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.20 D 165497.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.22 D 165297.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 100 165.30 D 165197.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.47 D 164997.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 100 165.50 D 164897.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 4500 165.52 D 160397.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 700 165.53 D 159697.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 200 165.54 D 159497.41 D Shares of Common Stock, par value $0.01 per share 2007-07-27 4 S 0 400 165.55 D 159097.41 D Shares of Common Stock, par value $0.01 per share 82500 I By family trust Shares of Common Stock, par value $0.01 per share 82500 I By family trust Employee Stock Option (right to buy) 37.36 2007-07-27 4 M 0 24900 0.00 D 2006-12-31 2012-10-15 Shares of Common Stock, par value $0.01 per share 24900 25200 D Includes 9,552 shares of restricted Common Stock granted under the BlackRock, Inc. 1999 Stock Award and Incentive Plan ("the Incentive Plan"), vesting on 12/15/07. Also, includes 8,397 Restricted Stock Units granted under the Incentive Plan, vesting in equal installments on 1/31/08 and 1/31/09, and 16,446 Restricted Stock Units granted under the Incentive Plan, vesting in equal installments on 1/31/08, 1/31/09, and 1/31/10. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock. These shares are held in a trust for the benefit of one of the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. /s/ Daniel R. Waltcher as Attorney-in-Fact for Keith Anderson 2007-07-30