UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 10-K/A
AMENDMENT NO. 1

|X| Annual Report pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934

FOR THE FISCAL YEAR ENDED DECEMBER 31, 2003

COMMISSION FILE #0-16640

UNITED BANCORP, INC.
(Exact name of registrant as specified in its charter)

MICHIGAN 38-2606280
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)

205 E. CHICAGO BOULEVARD, TECUMSEH, MI 49286
(Address of principal executive offices, including Zip code)

Registrant's telephone number, including area code: (517) 423-8373

Securities registered pursuant to Section 12(b) of the Act: NONE

SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT:
Common Stock, no par value
(Title of Class)

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months and (2) has been subject to such filing requirements for
the past 90 days. Yes |X| No | |

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. |X|

Indicate by check mark whether the registrant is an accelerated filer as defined
in Rule 12b-2 of the Act.
Yes |X| No | |

As of February 10, 2004, the aggregate market value of the voting stock held by
non-affiliates of the registrant was $99,919,000 (common stock, no par value.)
As of February 10, 2004, there were outstanding 2,235,503 shares of registrant's
common stock, no par value.

Documents Incorporated By Reference:

Portions of the Company's Proxy Statement for the Annual Meeting of Shareholders
to be held April 20, 2004, including Management's Discussion and Analysis of
Condition and Results of Operations, Reports of Independent Auditors,
Consolidated Financial Statements and Notes to Consolidated Financial
Statements, are incorporated by reference into Parts I, II, III and IV.

Page 1

Explanatory Note

On March 15, 2004, United Bancorp, Inc. (the "Company") filed with the
Securities and Exchange Commission its Annual Report on Form 10-K for the year
ended December 31, 2003 (the "Initial Form 10-K"). The Initial Form 10-K
included Exhibit 99.1, Report of Prior Independent Auditors (the "Exhibit").
Subsequent to filing the Initial Form 10-K, an error in wording was discovered
in the Exhibit, and this Amendment No. 1 on Form 10-K/A corrects that error in
the Exhibit. No other changes are included in this amendment.

PART IV

ITEM 15 - EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(a) The following documents are filed as a part of this report:

1. The following financial statements of the Company and its
subsidiaries, included in the Company's 2004 Proxy Statement are
incorporated herein by reference:

Pages in Proxy
Statement
--------------

Report of Independent Accountants, BKD LLP, Dated January 23, 2004 A-22

Consolidated Balance Sheets - December 31, 2003 and 2002 A-23

Consolidated Statements of Income - Years Ended December 31,
2003, 2002 and 2001 A-24

Consolidated Statements of Cash Flows - Years Ended December 31,
2003, 2002 and 2001 A-25

Consolidated Statements of Changes in Shareholders' Equity -
Years Ended December 31, 2003, 2002 and 2001 A-26

Notes to Consolidated Financial Statements A-27-A-41

2. Financial statement schedules are not applicable.

(b) No reports on Form 8-K were filed during the fourth quarter of 2003.

Exhibit #

3(a) Restated Articles of Incorporation of United Bancorp, Inc., filed
as Exhibit (4)(a) to registrant's registration statement on Form
S-8 (File Number 333-03305) dated May 8, 1996, and incorporated
herein by reference.

3(b) Bylaws of United Bancorp, Inc., filed as Exhibit (4)(b) to
registrant's registration statement on Form S-8 (File Number
333-03305) dated May 8, 1996, and incorporated herein by
reference.

4(a) Restated Articles of Incorporation of United Bancorp, Inc., filed
as Exhibit (4)(a) to registrant's registration statement on Form
S-8 (File Number 333-03305) dated May 8, 1996, and incorporated
herein by reference.

Page 2

4(b) Bylaws of United Bancorp, Inc., filed as Exhibit (4)(b) to
registrant's registration statement on Form S-8 (File Number
333-03305) dated May 8, 1996, and incorporated herein by
reference.

4(c) United Bancorp, Inc. Director Retainer Stock Plan, filed as
Appendix A to registrant's proxy statement dated March 25, 1996
(file number 0-16640) and incorporated herein by reference.

4(d) United Bancorp, Inc. Senior Management Bonus Deferral Stock Plan,
filed as Appendix B to registrant's proxy statement dated March
25, 1996 (file number 0-16640) and incorporated herein by
reference.

4(e) United Bancorp, Inc. 1999 Stock Option Plan, filed as Appendix B
to the Company's proxy statement dated March 24, 2000 (file
number 0-16640) and incorporated herein by reference.

11 Statement re Computation of Per Share Earnings - this information
is incorporated by reference in Note 1 on Page A-29 and Note 19
on Page A-39 of the Company's 2004 Proxy Statement.

13 Registrant's Annual Report to Shareholders for the fiscal year
ended December 31, 2003 which incorporates Management's
Discussion and Analysis of Financial Condition and Results of
Operations, Reports of Independent Accountants, Consolidated
Financial Statements and Notes to Consolidated Financial
Statements included in the Company's 2004 Proxy Statement (not
deemed filed except for those portions which are specifically
incorporated herein by reference).

14 Registrant's Code of Business Conduct and Ethics as adopted
December 9, 2003

21 Listing of Subsidiaries, filed herewith.

23(a) Consent of BKD LLP, Independent Accountants, filed herewith.

24 Power of Attorney contained on the signature pages of the 2003
Annual Report on Form 10-K.

31.1 Certification of Principal Executive Officer

31.2 Certification of Principal Accounting Officer

32.1 Certification Pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

99.1 Report of Prior Independent Auditors - Crowe Chizek

(d) All other schedules for which provision is made in the applicable
accounting regulations of the Securities and Exchange Commission are
not required under the related instructions or are inapplicable, and
therefore have been omitted.

Page 3

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

United Bancorp, Inc.

/S/ David S. Hickman March 30, 2004
------------------------------------ -----------------------
David S. Hickman, Chairman and Date
Chief Executive Officer, Director

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the registrant and
in the capacities indicated, on March 30, 2004.

/S/ * /S/ *
- ----------------------------------------------- ----------------------------------------------
Joseph D. Butcko, Director James C. Lawson, Director

/S/ * /S/ *
- ----------------------------------------------- ----------------------------------------------
Robert K. Chapman, Director, Vice Chairman Donald J. Martin, Director

/S/ * /S/ *
- ----------------------------------------------- ----------------------------------------------
George H. Cress, Director David E. Maxwell, Director

/S/ * /S/ *
- ----------------------------------------------- ----------------------------------------------
John H. Foss, Director Chris L. McKenney, Director

/S/ * /S/ *
- ----------------------------------------------- ----------------------------------------------
Patricia M. Garcia, Director Kathryn M. Mohr, Director

/S/ David S. Hickman /S/ Dale L. Chadderdon
- ----------------------------------------------- ----------------------------------------------
David S. Hickman (Principal Executive Officer) Dale L. Chadderdon (Principal Financial
Director, Chairman and Chief Executive Officer Officer) Senior Vice President, Secretary and
Treasurer

* Dale L. Chadderdon, by signing his name hereto, does hereby sign this
report on behalf of each of the above named directors of the Company
pursuant to a power of attorney duly exercised by such persons.

/S/ Dale L. Chadderdon
--------------------------------------
Dale L. Chadderdon, Attorney in Fact

Page 4

EXHIBIT INDEX

EXHIBIT NO. DESCRIPTION

EX-31.1 Certification of Chief Executive Officer pursuant to Section 302

EX-31.2 Certification of Chief Financial Officer pursuant to Section 302

EX-32.1 Certification pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-99.1 Report of Prior Independent Auditors - Crowe Chizek