Exhibit 31.1

Rule 13a-14 Certification

I, Gary L. Ocepek, certify that:

1. I have reviewed this quarterly report on Form 10-QSB of Ottawa Savings
Bancorp, Inc.,

2. Based on my knowledge, this quarterly 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 quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly 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 quarterly 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 15(d)-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 quarterly 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 principals;

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

(d) Disclosed in this report any change in the registrants internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) that occurred during the registrants most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrants internal control over
financial reporting;

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 registrants board of directors (or persons performing the equivalent function):

(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.

Date: November 13, 2006



/s/ Gary L. OcepekGary L. OcepekPresident and Chief Executive Officer