Administaff, Inc. (NYSE:ASF), a leading provider of human resources services for small and medium-sized businesses, announced that its board of directors has approved a quarterly dividend of $0.11 per share. The cash dividend will be paid on June 20, 2008, to all stockholders of record as of May 30, 2008.

Administaff is the nation’s leading professional employer organization (PEO), serving as a full-service human resources department that provides small and medium-sized businesses with administrative relief, big-company benefits, reduced liabilities and a systematic way to improve productivity. The company operates 49 sales offices in 24 major markets. For additional information, visit Administaff’s Web site at http://www.administaff.com.