UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED BANCORP, INC. (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) Ohio 34-1405357 (State or Other Jurisdiction (IRS Employer of Incorporation or Organization) Identification No.) 201 SOUTH FOURTH STREET MARTINS FERRY, OHIO 43935 740-633-0445 (Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant's Principal Executive Offices) MR. JAMES W. EVERSON COPIES OF COMMUNICATIONS TO: CHAIRMAN, PRESIDENT AND CHIEF EXECUTIVE OFFICER DAVID J. MACK, ESQ. UNITED BANCORP, INC. SHUMAKER, LOOP & KENDRICK, LLP 201 SOUTH FOURTH STREET 1000 JACKSON STREET MARTINS FERRY, OHIO 43935 TOLEDO, OH 43624-1573 (740) 633-0445 (419) 321-1396 (Name, Address, Including Zip Code, and Telephone Number, Including Area Code, of Agent for Service) Approximate date of commencement of proposed sale of the securities to the public: Not Applicable If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. [X] If any of the securities being registered on this form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. [ ] If this form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of earlier effective registration statement for the same offering. [ ] If this form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. [ ] If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. [ ] If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. [ ] EXPLANATORY NOTE: DEREGISTRATION OF UNSOLD SECURITIES This Post-Effective Amendment No. 1 amends the Registration Statement on Form S-3, Registration No. 333-01081 (the "Original Registration Statement"), of United Bancorp, Inc. (the "Company"), which was filed with the Securities and Exchange Commission (the "Commission") and became effective on February 20, 1996. The Registration Statement registered 150,000 shares of the Company's common stock, par value $1.00 per share ("Common Stock"), for sale pursuant to the United Bancorp, Inc. Dividend Reinvestment Plan. On August 17, 2006, the Company filed a Registration Statement with the Commission on Form S-3 registering 250,000 shares of Common Stock for issuance under the Company's new Dividend Reinvestment and Optional Cash Purchase Plan. Consequently, the offering pursuant to the Original Registration Statement has been terminated. In accordance with an undertaking made by the Company in the Original Registration Statement to remove from registration, by means of a post-effective amendment, any of the securities which remain unsold at the termination of the offering, the Company hereby removes from registration the 44,810 shares of Common Stock registered, but unsold, under the Original Registration Statement. PART II INFORMATION NOT REQUIRED IN PROSPECTUS ITEM 16. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES. See the Index to Exhibits of this Registration Statement on Form S-3. SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Martins Ferry, State of Ohio, on October 16, 2006. UNITED BANCORP, INC. By: /s/ James W. Everson ------------------------------------ James W. Everson Chairman, President and Chief Executive Officer Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated. SIGNATURE TITLE DATE --------- ----- ---- /s/ James W. Everson Chairman, President, Chief Executive October 16, 2006 ------------------------------------- Officer and Director (Principal James W. Everson Executive Officer) /s/ Randall M. Greenwood Vice President and Chief Financial October 16, 2006 ------------------------------------- Officer (Principal Financial and Randall M. Greenwood Accounting Officer) /s/ Michael J. Arciello* Director October 16, 2006 ------------------------------------- Michael J. Arciello /s/ John M. Hoopingarner* Director October 16, 2006 ------------------------------------- John M. Hoopingarner /s/ Richard L. Riesbeck* Director October 16, 2006 ------------------------------------- Richard L. Riesbeck /s/ Matthew C. Thomas* Director October 16, 2006 ------------------------------------- Matthew C. Thomas * For each of the above directors pursuant to power of attorney filed as Exhibit 24 to the Company's Registration Statement on Form S-3 filed with the Commission on February 20, 1996. /s/ James W. Everson October 16, 2006 ------------------------------------- By: James W. Everson (pursuant to power of attorney) 2 EXHIBIT INDEX EXHIBIT NO. EXHIBIT ----------- ------- 24 Power of Attorney: Incorporated by reference to Exhibit 24 of the Company's Registration Statement on Form S-3 filed with the Commission on February 20, 1996. 3