Exhibit

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Stock Incentive Plan of AK Steel Holding Corporation of our report dated February 19, 2016 (except for Note 20, as to which the date is July 29, 2016), with respect to the consolidated financial statements of AK Steel Holding Corporation, included in its Current Report on Form 8-K dated July 29, 2016, filed with the Securities and Exchange Commission. We also consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Stock Incentive Plan of AK Steel Holding Corporation of our report dated February 19, 2016, with respect to the effectiveness of internal control over financial reporting of AK Steel Holding Corporation included in its Annual Report (Form 10-K) for the year ended December 31, 2015, filed with the Securities and Exchange Commission.