Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-209914 and 333-209913) and Form S-8 (No. 333-217464, 333-210953, 333-196186, 333-151438, 333-151440) of the United States Steel Corporation of our report dated February 21, 2018 relating to the financial statements, financial statement schedule, and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

 

/s/ PricewaterhouseCoopers

Pittsburgh, Pennsylvania

February 21, 2018