EX-23 3 dex23.txt CONSENT OF ERNST & YOUNG LLP EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the United-Lafayette 401(k) Profit Sharing Plan of United Fire & Casualty Company of our report dated July 14, 2003, with respect to the 2002 financial statements and schedule of the United-Lafayette 401(k) Profit Sharing Plan included in this annual report (Form 11-K) for the year ended December 31, 2002. /s/ Ernst & Young LLP Chicago, Illinois July 14, 2003 11