CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statementson Form S-8 (Nos. 333-237964 and 333-271509) of United States Steel Corporationof our report dated June 10, 2025 relating to the financial statements and supplemental schedule of USS 401(k) Plan for USW-Represented Employees which appears in this Form 11-K.

/s/PricewaterhouseCoopers LLP

Pittsburgh, PennsylvaniaJune 10, 2025

PricewaterhouseCoopers LLP, PricewaterhouseCoopers Center, 301 Grant Street, Pittsburgh, PA 15219

T: (412) 355-6000, www.pwc.com/us