HOUSTON, Sept. 26 /PRNewswire-FirstCall/ -- Administaff, Inc. (NYSE: ASF), the nation's leading professional employer organization (PEO), will release its third quarter 2006 earnings prior to the open of the New York Stock Exchange on Wednesday, Nov. 1, 2006. A teleconference hosted by Administaff's management will be held at 10 a.m. ET to discuss the third quarter results and business trends. Investors, analysts, media and other interested persons may access the call at 800-435-1261, passcode 20234469. The call will also be webcast live at http://www.administaff.com . To access the webcast, click on the Investor Relations section of the Web site and select "Live Webcast." A replay of the conference call will be available at 888-286-8010, passcode 62776356, for two weeks after the call. The webcast will be archived for one year. The conference call script will be posted to the Investor Relations section of the Web site after the call concludes.

Administaff is a leading personnel management company that serves as a full-service human resources department for small and medium-sized businesses throughout the United States.

SOURCE:
Administaff, Inc.

CONTACT:
Investor Relations:
Douglas S. Sharp, Vice President, Finance, Chief Financial Officer and Treasurer, +1-281-348-3232, or Douglas_Sharp@Administaff.com
Media:
Jason Cutbirth, Managing Director, Marketing and Corporate Communications, +1-281-312-3085, or Jason_Cutbirth@Administaff.com
both of Administaff, Inc.

Web site:
http://www.administaff.com