Exhibit 99.1 INVESTOR RELATIONS: MEDIA RELATIONS: Caroline Rodda 212.810.3442 Ed Sweeney 646.231.0268 BlackRock Reports First Quarter 2024 Diluted EPS of $10.48, or$9.81 as adjusted New York, April 12, 2024 – BlackRock, Inc. (NYSE: BLK) today reported financial results for the three months ended March 31, 2024. $76 billion of quarterly long-term net inflows reflect continued strength of broad-based platform with positive flows Laurence D. Fink, Chairman and CEO: across asset classes and client types “Black ...