ROBERT HALF INTERNATIONAL ANNOUNCES COMMON STOCK REPURCHASE PROGRAM AND QUARTERLY DIVIDEND TO SHAREHOLDERS

MENLO PARK, California, August 2, 2005 -- Robert Half International Inc. (NYSE symbol: RHI) today announced that its board of directors has authorized the repurchase, from time to time, of up to an additional 10 million shares of the company's common stock on the open market or in privately negotiated transactions, depending on market conditions. Today's 10 million-share authorization is in addition to the approximately two million shares that remain under Robert Half International's existing share repurchase plan.

The company also announced that its board of directors has approved a quarterly cash dividend of $.07 per share. The cash dividend will be paid on September 15, 2005, to all shareholders of record as of August 25, 2005.

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 staffing and consulting services and is the parent company of Protiviti^® (www.protiviti.com), a leading 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. RHI serves its clients and candidates through more than 330 offices worldwide and through online job search services at its divisional websites, all of which can be accessed at www.rhi.com.