EXHIBIT 32.1
      DISCLOSURE PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the accompanying Quarterly Report on Form 10-Q of United
Bancorp, Inc. ('"Company") for the quarter ended March 31, 2008 ("Report"), each
of the undersigned, hereby certifies, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best
of his respective knowledge and belief, that:

(1)  The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

(2)  The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the Company.


/s/ Robert K. Chapman                   April 25, 2008
-------------------------------------   Date
Robert K. Chapman
President and Chief Executive Officer
(Principal Executive Officer)


/s/ Randal J. Rabe                      April 25, 2008
-------------------------------------   Date
Randal J. Rabe
Executive Vice President and Chief
Financial Officer
(Principal Financial Officer)