X0508 4 2025-04-29 0002012383 BlackRock, Inc. BLK 0001059245 FINK LAURENCE BLACKROCK, INC. 50 HUDSON YARDS NEW YORK NY 10001 1 1 Chairman and CEO 0 Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 104 910.7542 D 303582 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 1533 912.6132 D 302049 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 2047 913.5901 D 300002 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 1529 914.4435 D 298473 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 726 915.5954 D 297747 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 388 916.6566 D 297359 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 1994 917.8741 D 295365 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 4553 918.7404 D 290812 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 1336 919.8383 D 289476 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 1849 920.749 D 287627 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-04-29 4 S 0 426 921.4939 D 287201 D This transaction was executed in multiple trades at prices ranging from $910.39 to $910.92. The price reported represents the weighted average sale 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 sold at each separate price. Includes Common Stock as well as Restricted Stock Units that will vest over a period of 1 to 3 years. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock. This transaction was executed in multiple trades at prices ranging from $911.99 to $912.93. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $913.00 to $913.98. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $914.01 to $915.00. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $915.06 to $916.06. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $916.17 to $917.10. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $917.20 to $918.18. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $918.24 to $919.15. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $919.25 to $920.19. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $920.32 to $921.31. The price reported represents the weighted average sale 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 sold at each separate price. This transaction was executed in multiple trades at prices ranging from $921.35 to $921.70. The price reported represents the weighted average sale 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 sold at each separate price. /s/ R. Andrew Dickson III as Attorney-in-Fact for Laurence Fink 2025-05-01