10-K/A

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

Form 10-K/A

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

For the fiscal year ended December 31, 2011

Commission File #0-16640

(Exact name of registrant as specified in its charter)

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

2723 South State Street, Ann Arbor, MI 48104
(Address of principal executive offices)

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 if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yes          o           No           þ

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

Yes           o           No           þ

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           þ           No           o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such file).

Yes          þ           No           o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405) 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.           þ

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer.

Large Accelerated Filer o                    Accelerated Filer o
Non-Accelerated Filer o (do not check if a smaller reporting company)                     Smaller reporting company þ

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).

Yes          o           No          þ

As of June 30, 2011, the aggregate market value of the common stock held by non-affiliates of the registrant was $40,052,000, based on a closing price of $3.25 as reported on the OTC Bulletin Board.

As of January 31, 2012, there were 12,697,265 outstanding shares of registrant's common stock, no par value.

EXPLANATORY NOTE

United Bancorp, Inc. (the "Company") is filing this amendment on Form 10-K/A to provide a table that was inadvertently omitted from Item 1 of the Company's Annual Report on Form 10-K for the year ended December 31, 2011, as filed with the Securities and Exchange Commission on February 24, 2012 (the "original filing"). Except for the addition of the table set forth in Item 1 below, no other changes have been made to the original filing as previously filed.

PART I

ITEM 1 BUSINESS

The text of Item 1 of the original filing is here incorporated by reference.

Volume/Rate Table

The following table demonstrates the effect of volume and rate changes on net interest income on a taxable equivalent basis for the past two years. The change in interest due to both rate and volume has been allocated to volume and rate changes in proportion to the relationship of the absolute dollar amounts of the change in each.

	2011 compared to 2010									2010 compared to 2009
	Increase (decrease) due to: (a)									Increase (decrease) due to: (a)
In thousands of dollars	Volume			Rate			Net			Volume			Rate			Net
Interest earned on:
Federal funds sold and equivalents	$	25		$	-		$	25		$	82		$	-		$	82
Taxable securities		1,102			(507	)		595			530			(290	)		240
Tax exempt securities (b)		(294	)		(14	)		(308	)		(332	)		(202	)		(534	)
Taxable loans (c)		(2,863	)		(1,124	)		(3,987	)		(3,336	)		(623	)		(3,959	)
Tax exempt loans (b)		(21	)		1			(20	)		(33	)		17			(16	)
Total interest income	$	(2,051	)	$	(1,644	)	$	(3,695	)	$	(3,089	)	$	(1,098	)	$	(4,187	)
Interest expense on:
NOW and savings deposits	$	(20	)	$	(504	)	$	(524	)	$	77		$	(451	)	$	(374	)
Other interest bearing deposits		(525	)		(1,208	)		(1,733	)		(435	)		(2,240	)		(2,675	)
Short term borrowings		(130	)		51			(79	)		72			72			144
Long term borrowings		(197	)		(40	)		(237	)		(469	)		(190	)		(659	)
Total interest expense	$	(872	)	$	(1,701	)	$	(2,573	)	$	(755	)	$	(2,809	)	$	(3,564	)
Net change in net interest income	$	(1,179	)	$	57		$	(1,122	)	$	(2,334	)	$	1,711		$	(623	)

(a)	The change in interest due to both rate and volume has been allocated to volume and rate changes in proportion to the relationship of the absolute dollar amounts of the change in each.
(b)	Fully tax-equivalent basis; 34% tax rate.
(c)	Non-accrual loans and overdrafts are included in the average balances of loans.

ITEM 15 EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(b) The exhibits filed in response to Item 601 of Regulation S-K are listed in the Exhibit Index, which is incorporated here by reference.

Page 2

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.
By	/s/ Robert K. Chapman	May 17, 2012
	Robert K. Chapman, President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons in the capacities and on the dates indicated.

/s/ Robert K. Chapman	Director, President and Chief Executive Officer (Principal Executive Officer)	May 17, 2012
Robert K. Chapman
/s/ Randal J. Rabe	Executive Vice President and Chief Financial Officer (Principal Financial Officer)	May 17, 2012
Randal J. Rabe
/s/ Stephanie H. Boyse	Director	May 17, 2012
Stephanie H. Boyse*
/s/ James D. Buhr	Director	May 17, 2012
James D. Buhr*
/s/ Kenneth W. Crawford	Director	May 17, 2012
Kenneth W. Crawford*
/s/ John H. Foss	Director	May 17, 2012
John H. Foss*
/s/ Norman G. Herbert	Director	May 17, 2012
Norman G. Herbert*
/s/ James C. Lawson	Chairman of the Board	May 17, 2012
James C. Lawson*
/s/ Len M. Middleton	Director	May 17, 2012
Len M. Middleton*

*By	/s/ Robert K. Chapman
	Robert K. Chapman, Attorney-in-Fact

Page 3

EXHIBIT INDEX

Exhibit	Description
23.	Consent of Independent Registered Public Accounting Firm.
24.	Powers of Attorney. Previously filed as Exhibit 24 to the Company's Annual Report on Form 10-K for the year ended December 31, 2011. Here incorporated by reference.
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification pursuant to 18 U.S.C. Section 1350.

Page 4

EX-23

EXHIBIT 23

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Numbers 333-175710, 333-167460, 333-162761, 333-144515, 333-144514, 333-125635, 333-55680 and 333-03317) of our report dated February 24, 2012, on our audits of the consolidated financial statements of United Bancorp, Inc. as of December 31, 2011 and 2010 and for each of the three years in the period ended December 31, 2011, which report is included in the Form 10-K, as amended.

/s/ BKD LLP

Indianapolis, Indiana
May 17, 2012

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

DISCLOSURE PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Robert K. Chapman, certify that:

1.   I have reviewed this Form 10-K/A of United Bancorp, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.   Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.   Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.   Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.   Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.   The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.   All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b.   Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ Robert K. Chapman	May 17, 2012
Robert K. Chapman (Principal Executive Officer)	Date
President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

DISCLOSURE PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Randal J. Rabe, certify that:

1.   I have reviewed this Form 10-K/A of United Bancorp, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.   Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.   Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.   Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.   Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.   The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.   All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b.   Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ Randal J. Rabe	May 17, 2012
Randal J. Rabe (Principal Financial Officer)	Date
Executive Vice President and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

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

In connection with the accompanying Form 10-K/A of United Bancorp, Inc. (“Company”) for the year ended December 31, 2011 (“Report”), each of the undersigned in his capacity as an officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, 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	May 17, 2012
Robert K. Chapman (Principal Executive Officer)	Date
President and Chief Executive Officer

/s/ Randal J. Rabe	May 17, 2012
Randal J. Rabe (Principal Financial Officer)	Date
Executive Vice President and Chief Financial Officer