ADMINISTAFF OPENS SECOND BOSTON-AREA OFFICE

HOUSTON - December 17, 2001 - Administaff, Inc. (NYSE: ASF), the nation's leading Professional Employer Organization (PEO), today announced the opening of its second Boston-area office to serve small and medium-sized businesses in the market and throughout New England.

"We believe the entrepreneurial business climate and strong market demographics in Boston represents an ideal opportunity for further expanding our East Coast presence," said Jay E. Mincks, Administaff's executive vice president of sales and marketing.

The opening of the second Boston office continues Administaff's nationwide expansion plan, which targets a total of 90 sales offices in 40 strategically selected markets. The company now operates 36 sales offices in 19 major metropolitan areas: Atlanta, Austin, Baltimore, Boston, Charlotte, Chicago, Dallas, Denver, Houston, Los Angeles, New Jersey, New York City, Orlando, Phoenix, San Antonio, San Diego, San Francisco, St. Louis and Washington, D.C.

Tom Marzola has joined Administaff as the district manager for the second Boston-area office. The office is located at 30 Corporate Drive, Suite 100, in Burlington, Mass. The phone number is (781) 565-2900.

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. With 2000 revenues of $3.7 billion, Administaff ranks number 448 on the Fortune 500 list. In addition, Administaff is included on Fortune's list of "America's Most Admired Companies," on the Forbes Platinum 400 list of the best big companies in America and on the InformationWeek 500 list of leading information technology innovators.

Administaff's Personnel Management System includes employment administration, benefits management, government compliance, recruiting and selection, employer liability management, training and development, performance management and owner support. These core services are complemented by an eBusiness strategy that includes the Employee Service CenterSM, an interactive eService platform that provides clients and worksite employees with information and resources to help maximize the benefit of their Administaff services. The Employee Service Center also features My MarketPlaceSM, an eCommerce portal that offers value-added products and services from best-of-class providers such as American Express, AT&T, Bank One, Continental Airlines, Dell, IBM and Spiegel.

For additional information, visit the company's Web site at www.administaff.com.

(Note: The statements contained in this press release that are not historical facts are forward-looking statements that involve a number of risks and uncertainties. Therefore, the actual results of future events described in such forward-looking statements could differ materially from those stated in such forward-looking statements. Among the factors that could cause actual results to differ materially are: (i) changes in general economic conditions; (ii) regulatory and tax developments; (iii) changes in Administaff's direct costs and operating expenses; (iv) the estimated costs and effectiveness of capital projects and investments in technology and infrastructure; (v) Administaff's ability to effectively implement its eBusiness strategy; (vi) the effectiveness of Administaff's sales and marketing efforts, including the company's marketing arrangements with other companies; and (vii) changes in the competitive environments in the Professional Employer Organization industry. These factors are described in further detail in Administaff's filings with the Securities and Exchange Commission.)