July 29, 2008
FOR IMMEDIATE RELEASE

Contact: M. Keith Waddell
Vice Chairman, President and Chief Financial Officer
(650) 234-6000

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

MENLO PARK, California, July 29, 2008 -- 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 4.7 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 $.11 per share. The cash dividend will be paid on September 15, 2008, to all shareholders of record as of August 25, 2008.

Founded in 1948, Robert Half International Inc. is the world's first and largest specialized staffing firm. It also is the parent company of Protiviti®, a global consulting and internal audit firm composed of experts in risk and advisory services. Robert Half'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 400 locations worldwide.