INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued
our report dated March 20, 2017, accompanying the audited consolidated financial statements incorporated by reference in the Annual
Report of United Bancorp, Inc. on Form 10-K for the years ended December 31, 2016 and 2015. We hereby consent to the incorporation
by reference of said report in the Registration Statements of United Bancorp, Inc. on Forms S-8 (file No. 33-123036 effective
February 28, 2005) and S-3 (file No. 333-136708 effective August 17, 2006).
|March 20, 2017