X0201 4 2004-04-01 0001060021 BLACKROCK INC /NY BLK 0001210392 WAGNER LAWRENCE C/O BLACKROCK FINANCIAL MANAGEMENT, INC. 40 EAST 52ND STREET NEW YORK NY 10022 1 0 0 0 Shares of Class A Common Stock (par value $0.01 per share) 2004-04-01 4 A 0 102 61.17 A 6602 D Shares acquired pursuant to the BlackRock, Inc. Nonemployee Directors Stock Compensation Plan. Lawrence M. Wagner and his wife jointly own 1,646 shares of BlackRock, Inc., including the current issuance of 102 shares pursuant to the BlackRock, Inc Nonemployee Directors Stock Compensation Plan. Mr. Wagner additionally owns 4,956 shares of BlackRock, Inc. individually, as follows: through a Keogh account Mr. Wagner owns 1,271 shares of BlackRock, Inc., and through a 401(k) account Mr. Wagner owns 3,685 shares of BlackRock, Inc. Salvatore Rappa 2004-04-05