ROBERT HALF INTERNATIONAL ANNOUNCES QUARTERLY DIVIDEND

MENLO PARK, California, May 5, 2009 -- Robert Half International Inc. (NYSE symbol: RHI) today announced that its board of directors has approved a quarterly cash dividend of $.12 per share. The cash dividend will be paid on June 15, 2009, to all shareholders of record as of May 26, 2009.

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 business consulting and internal audit firm composed of experts specializing in risk, advisory and transaction 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.