ROBERT HALF INTERNATIONAL ANNOUNCES SCHEDULE FOR SECOND-QUARTER EARNINGS RESULTS AND CONFERENCE CALL

MENLO PARK, California, July 13, 2006 -- Robert Half International Inc. (NYSE symbol: RHI) today announced it expects to release second-quarter 2006 earnings results on Tuesday, July 25, at approximately 4 p.m. EDT. Robert Half International management will conduct a conference call at 5 p.m. EDT on July 25, following the release. The dial-in number is 800-540-0559 (+1-785-832-1508 outside the United States) and the passcode is "Robert Half International." A taped recording of this call will be available for replay beginning at approximately 8 p.m. EDT on July 25 and ending at 8 p.m. EDT on August 1. The dial-in number for the replay is 800-723-1517 (+1-402-220-2659 outside the United States). The conference call also will be archived in audio format on the company's website at www.rhi.com.

Founded in 1948, Robert Half International Inc. (RHI) is the world's first and largest specialized staffing firm. RHI is a recognized leader in professional consulting and staffing services and is the parent company of Protiviti^®, a leading independent internal audit and risk consulting firm. The company's specialized staffing divisions include Accountemps^®, Robert Half^® Finance & Accounting and Robert Half^® Management Resources, for temporary, full-time and project professionals, respectively, in the fields of accounting and finance; OfficeTeam^®, for highly skilled temporary administrative support personnel; Robert Half^® Technology, for information technology professionals; Robert Half^® Legal, for legal personnel; and The Creative Group^®, for advertising, marketing and web design professionals.

Robert Half International has staffing and consulting operations in more than 390 locations worldwide.