X0202 4 2008-05-01 0 0001364742 BlackRock Inc. BLK 0001059246 KAPITO ROBERT BLACKROCK INC. 40 EAST 52ND STREET NEW YORK NY 10022 1 1 0 0 President Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 35500 204.00 D 964814.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 500 204.01 D 964314.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 300 204.03 D 964014.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 800 204.05 D 963214.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 200 204.06 D 963014.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.07 D 962914.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 200 204.09 D 962714.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.10 D 962614.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.13 D 962514.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 127 204.14 D 962387.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 173 204.26 D 962214.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.32 D 962114.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.38 D 962014.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.41 D 961914.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 600 204.43 D 961314.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.45 D 961214.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.48 D 961114.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.49 D 961014.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 700 204.50 D 960314.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.62 D 960214.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 300 204.72 D 959914.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.77 D 959814.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 300 204.78 D 959514.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.84 D 959414.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.85 D 959314.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.92 D 959214.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 204.98 D 959114.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 3700 205.00 D 955414.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 205.01 D 955314.6 D Shares of Common Stock (par value $0.01 per share) 2008-05-01 4 S 0 100 205.02 D 955214.6 D Includes (i) 4,972 Restricted Stock Units granted under the Incentive Plan vesting on 1/31/09, (ii) 21,084 Restricted Stock Units vesting in equal installments on 1/31/09 and 1/31/10, and (iii) 31,739 Restricted Stock Units vesting in installments on 1/31/09, 1/31/10, and 1/31/11. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of common stock. This Form 4 is being filed in two parts (part one of two). /s/ Daniel R. Waltcher as Attorney-in-Fact for Robert Kapito 2008-05-05