Exhibit 23
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the KeyCorp 2013 Equity Compensation Plan of our reports dated February 26, 2013 with respect to the consolidated financial statements of KeyCorp and the effectiveness of internal control over financial reporting of KeyCorp included in its Annual Report (Form 10-K) for the year ended December 31, 2012 filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Cleveland, Ohio
May 20, 2013