ROBERT HALF INTERNATIONAL ANNOUNCES QUARTERLY DIVIDEND

MENLO PARK, California, July 30, 2013 — Robert Half International Inc. (NYSE symbol: RHI) today announced that its board of directors has approved a quarterly cash dividend of $.16 per share. The cash dividend will be paid on September 16, 2013, to all shareholders of record as of August 26, 2013.

Founded in 1948, Robert Half International Inc., the world's first and largest specialized staffing firm, is a recognized leader in professional consulting and staffing services, and is the parent company of Protiviti®, a global consulting firm that helps companies solve problems in finance, technology, operations, governance, risk and internal audit. The company's specialized staffing divisions include Accountemps®, Robert Half® Finance & Accounting and Robert Half® Management Resources, for temporary, full-time and senior-level project professionals, respectively, in the fields of accounting and finance; OfficeTeam®, for highly skilled office and administrative support professionals; Robert Half® Technology, for project and full-time technology professionals; Robert Half® Legal, for project and full-time staffing of lawyers, paralegals and legal support personnel; and The Creative Group®, for interactive, design, marketing, advertising and public relations professionals.

Robert Half International has staffing and consulting operations in more than 400 locations worldwide.