1 EXHIBIT 23.1 - CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the following Registration Statements of National Processing, Inc. of our report dated January 22, 2001, with respect to the consolidated financial statements of National Processing, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2000. Registration Statement Description Shares Registered - ---------------------------------------------------------------------------------- Form S-8 (333-53345) National Processing Company, Inc. Nonemployee Directors Stock Option Plan 200,000 Form S-8 (333-53347) National Processing Company, Inc. 1996 Stock Option Plan 4,000,000 Form S-8 (333-43556) National Processing Company, Inc. 2000 Stock Option Plan 5,000,000 /s/ ERNST & YOUNG LLP Cleveland, Ohio February 21, 2001