SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (FEE REQUIRED) For the fiscal year ended December 31, 1993 Commission File Number 0-9876 A. Full title of the plan and the address of the plan, if different from that of the issuer named below: WEST ONE BANCORP EMPLOYEE THRIFT INVESTMENT PLAN 101 South Capitol Boulevard Boise, Idaho 83733 B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office: WEST ONE BANCORP P.O. Box 8247 Boise, Idaho 83733 SIGNATURES THE PLAN. Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized. WEST ONE BANCORP EMPLOYEE THRIFT INVESTMENT PLAN Date: June 29, 1994 By: /s/ Jim A. Peterson Jim A. Peterson Senior Vice President & Controller The Financial Statements and Schedules which are to be included as part of this filing have been filed in paper under cover of Form SE.