Ottawa Savings Bancorp, Inc. Watch

from SB-2/A 39 pages 1,384,600 Shares (Subject to Increase Up to 1,592,290 Shares in the Event of an Increase in the Pro Forma Market Value of the Company’s Common Stock) Ottawa Savings Bancorp, Inc. (A Federal Stock Holding Company) Common Stock (Par Value $0.01 Per Share) Agency Agreement , 2005

from SB-2 5 pages February 3, 2005 Services and Fees in Our Role as Conversion Agent, We Anticipate That Our Services Will Include the Services Outlined Below, Each as May Be Necessary and as the Bank May Reasonably Request: I. Consolidation of Accounts and Development of a Central File II. Preparation of Proxy, Order and/or Request Forms III. Organization and Supervision of the Conversion Center IV. Proxy Solicitation and Special Meeting Services V. Subscription Services Ottawa Savings Bank March 17, 2005 Page 2 Costs and Expenses

from SB-2 6 pages February 3, 2005 Board of Directors Ottawa Savings Bank 925 Lasalle Street Ottawa, Illinois 61350 Attention: Mr. Gary L. Ocepek President Advisory Services