X0407 4 2023-04-25 0 0001163302 UNITED STATES STEEL CORP X 0001210402 GERBER MURRY C/O U. S. STEEL 600 GRANT STREET, SUITE 1500 PITTSBURGH PA 15219 1 0 0 0 0 United States Steel Corporation Common Stock 2023-04-25 4 A 0 7219 0.00 A 220070.062 D Represents shares awarded pursuant to the Corporation's Non-Employee Director Compensation Policy through a transaction exempt under Rule 16b-3. Restricted stock units vest on the earlier of (i) the anniversary of the grant date and (ii) the date of the next Annual Meeting of Stockholders. RSUs are payable in stock. /s/ Megan Bombick, By Power of Attorney from Murry S. Gerber 2023-04-27