1 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 10, 1997 United Security Bancorporation (Exact Name of Registrant as Specified in Charter) Washington 0-18561 91-1259511 ---------- ------- ---------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification Number) 9506 North Newport Highway, Spokane, Washington 99218-1200 ---------------------------------------------------------- (Address of principal executive offices/Zip Code) Registrant's telephone number, including area code: (509) 467-6949 ------------------------------------------------------------------ Item 4. Changes in Registrant's Certifying Accountant (a) In connection with its audits for the two most recent fiscal years and subsequent interim period through April 22, 1997, there were no disagreements with McFarland & Alton, the former accountant, except as disclosed in the Form 8-K filed on May 2, 1997, on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure, which disagreements if not resolved to the satisfaction of McFarland & Alton, would have caused McFarland & Alton to make reference thereto in their report on the financial statements for such years. (b) During the two most recent fiscal years and subsequent interim period through April 22, 1997, McFarland & Alton's audits did not contain any "reportable events" within the meaning of item 304(a)(1)(v) of Regulation S-K. (c) A letter from McFarland & Alton addressed to the Securities and Exchange Commission is included as Exhibit 16 to this Form 8-K/A. 1 2 SIGNATURES Pursuant to the requirements of the Security Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Dated: June 10, 1997 UNITED SECURITY BANCORPORATION By: /s/ Chad Galloway --------------------------- Name: Chad Galloway Title: Vice President and Chief Financial Officer 2