HOUSTON--(BUSINESS WIRE)--Sept. 3, 2008--Administaff, Inc. (NYSE:ASF), a leading provider of human resources services for small and medium-sized businesses, today announced the Administaff BIG $100,000 Business Sweepstakes. The contest, which will award a $100,000 business grant to the winning small or medium-sized business entrant, is the third sweepstakes offered by Administaff and follows the $100,000 prize awarded earlier this year.

In addition to the $100,000 first-place grant, sweepstakes entrants will have an opportunity to win a second or third-place cash prize of $25,000 or $10,000, respectively.

"Administaff has the opportunity to see the entrepreneurial spirit firsthand every day and is pleased to continue to provide hardworking innovators with the chance to strengthen their organizations through the Administaff BIG $100,000 Business Sweepstakes," said Jay E. Mincks, executive vice president of sales and marketing for Administaff. "With many business owners concerned about the economy, cash prizes totaling $135,000 present an unexpected business opportunity for the winners, reflecting Administaff's philosophy to help small and medium-sized businesses succeed."

Businesses with at least 10 and no more than 2,000 full-time employees located in the United States are eligible to enter the sweepstakes at http://www.administaff.com. Entrants are required to view a brief Administaff Advantage Video and correctly answer four questions. A complete list of official rules is also located on the Web site. The contest ends at 5 p.m. CT on Dec. 31, 2008. Winners will be randomly selected from all qualified entries and announced in late January.

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.

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

SOURCE:
Administaff, Inc.