EX-23 4 k24109exv23.txt CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM BKD LLP We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Numbers 333-03305, 333-03317, 333-125635 and 333-55680) of our report dated February 15, 2008, on the consolidated financial statements of United Bancorp, Inc., as of December 31, 2007 and 2006 and for each of the three years in the period ended December 31, 2007, which report is included in the Definitive Proxy Statement for the 2008 Annual Meeting of Shareholders of United Bancorp, Inc. and incorporated by reference into the Form 10-K of United Bancorp, Inc. and of our report dated February 15, 2008, on the effectiveness of internal control over financial reporting of United Bancorp, Inc. as of December 31, 2007, which is included in the Form 10-K of United Bancorp, Inc. BKD LLP Indianapolis, Indiana February 19, 2008 Page 32