X0306 4 2019-10-24 0001364742 BlackRock Inc. BLK 0001059245 FINK LAURENCE BLACKROCK, INC. 55 EAST 52ND STREET NEW YORK NY 10055 1 1 Chairman and CEO Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-24 4 S 0 100 457.0225 D 952455 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 2125 452.278 D 950330 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 3975 453.1711 D 946355 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 5967 454.135 D 940388 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 4979 455.2693 D 935409 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 1943 456.1513 D 933466 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 2684 457.3767 D 930782 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 3099 458.4594 D 927683 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 14810 459.39 D 912873 D Shares Of Common Stock (par Value $0.01 Per Share) 2019-10-25 4 S 0 4761 460.2651 D 908112 D This transaction was executed in multiple trades at prices ranging from $457.0000 to $457.0500. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. Includes Common Stock as well as Restricted Stock Units that vest over a period of 1 to 3 years. Restricted Stock Units are payable solely by delivery of an equal number of shares of Common Stock. This transaction was executed in multiple trades at prices ranging from $451.6700 to $452.6700. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $452.6800 to $453.6700. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $453.7200 to $454.6600. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $454.7600 to $455.7350. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $455.8000 to $456.7300. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $456.8350 to $457.8150. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $457.8500 to $458.8500. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $458.8600 to $459.8200. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. This transaction was executed in multiple trades at prices ranging from $459.8700 to $460.5600. The price reported represents the weighted average purchase price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the shares purchased at each separate price. /s/ R. Andrew Dickson III as Attorney-in-Fact for Laurence Fink 2019-10-25