Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements listed below of United States Steel Corporation of our report dated February 15, 2013 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

On Form S-3:

 

    File No.    333-157546   

United States Steel Corporation Dividend Reinvestment

and Stock Purchase Plan

   333-165054    United States Steel Corporation Senior Debt Securities,
      Subordinated Debt Securities, Common Stock,
      Preferred Stock, Depositary Shares, Warrants, Stock
      Purchase Contracts and Stock Purchase Units

On Form S-8:

 

    File No.    333-76394    United States Steel Corporation 2002 Stock Plan
   333-125221    United States Steel Corporation 2005 Stock Incentive Plan
   333-166787    United States Steel Corporation 2005 Stock Incentive Plan
   333-151438    U. S. Steel Tubular Services Savings Plan
   333-151440   

United States Steel Corporation Savings Fund Plan for

Salaried Employees

/s/ PricewaterhouseCoopers LLP

Pittsburgh, Pennsylvania

February 15, 2013