Microsoft Word 10.0.6612; CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statements on Form S-8 (Registration No. 33-84340 and Registration No. 33-47891) of MFB Corp. of our report dated November 28, 2006 which is incorporated by reference in this Annual Report on Form 10-K of MFB Corp. for the year ended September 30, 2006. /s/ Crowe Chizek and Company LLC Crowe Chizek and Company LLC South Bend, Indiana December 15, 2006