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Exhibit 15
ACKNOWLEDGMENT LETTER OF INDEPENDENT AUDITORS
Shareholders and Board of Directors
KeyCorp
We are aware of the incorporation by reference in the Post-Effective Amendment
No. 1 to the Registration Statement (No. 333-10577) on Form S-3 of KeyCorp for
the registration of $561,000,000 of securities of our report dated April 14,
2000 relating to the unaudited condensed consolidated interim financial
statements of KeyCorp that are included in its Form 10-Q for the quarter ended
March 31, 2000.
/s/ Ernst & Young LLP
Cleveland, Ohio
June 19, 2000
