X0508 4 2023-08-08 0 0001163302 UNITED STATES STEEL CORP X 0001573269 Graziano Jessica 600 GRANT STREET, SUITE 6100 PITTSBURGH PA 15219 0 1 0 0 SVP & Chief Financial Officer 0 United States Steel Corporation Common Stock 2023-08-08 4 F 0 2594 23.61 D 97992 D United States Steel Corporation Common Stock 1901.88 I By 401(k) Plan This line reflects the tax withholding on the vesting of restricted stock units (RSUs) that were granted on August 8, 2022. /s/ Megan Bombick, By Power of Attorney from Jessica T. Graziano 2023-08-09