X0508 4 2025-01-31 0002012383 BlackRock, Inc. BLK 0001855412 Cohen Stephen 50 HUDSON YARDS NEW YORK NY 10001 1 Senior Managing Director 0 Shares Of Common Stock (par Value $0.01 Per Share) 2025-01-31 4 A 0 383 0 A 5846 D Shares Of Common Stock (par Value $0.01 Per Share) 2025-01-31 4 F 0 656 1071.52 D 5190 D Reflects a 2021 BlackRock Performance Incentive Plan award value of $741,374 converted to 891 Restricted Stock Units by dividing the award value by $832.07, which was the average of the high and low price per share of Common Stock on January 18, 2022. As outlined in BlackRock's 2022 Proxy Statement, the award was subject to adjustment based on certain performance metrics approved by the Management Development and Compensation Committee at the time of the award. Based on the Company's performance, the Restricted Stock Units vesting represent 43% of the original award. 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. Represents the withholding by BlackRock of common stock to satisfy tax obligations on the vesting of the reporting person's awards granted under the Third Amended and Restated BlackRock, Inc. 1999 Stock Award and Incentive Plan. /s/ Robert Andrew Dickson III as Attorney-in-Fact for Stephen Cohen 2025-02-04