CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statements Nos. 333-64353, 333-04417, 333-28121, 333-34310, 333-145599, 333-143191, 333-147827, and 333-163636 on Form S-8 and Registration Statement Nos. 333-169358, 333-104270, and 033-58709 on Form S-3 of our reports dated February 24, 2011, relating to the consolidated financial statements and consolidated financial statement schedule of Fiserv, Inc. and subsidiaries, and the effectiveness of Fiserv, Inc.s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Fiserv, Inc. for the year ended December 31, 2010.
/s/ Deloitte & Touche LLP
February 24, 2011