ADMINISTAFF OPENS BOSTON-AREA OFFICE

HOUSTON, TX – April 11, 2001 – Administaff, Inc. (NYSE: ASF), the nation’s leading Professional Employer Organization (PEO), today announced the opening of its first Boston-area office to serve small and medium-sized businesses in that market and throughout New England.

"With the opening of this new office, Administaff will be able to better serve the Boston market and surrounding areas of New England as well," said Jay E. Mincks, Administaff’s executive vice president of sales and marketing. "Boston is home to thousands of companies that fit our target profile, and Massachusetts is ranked as one of the nation's leading markets for fast-growing companies."

Steve Shula has joined Administaff as district manager for the Boston-area office. The office is located at 30 Corporate Drive, Suite 100, Burlington, MA., 01803. The phone number is (781) 565-2900.

This new office opening continues Administaff’s nationwide expansion plan, which targets a total of 90 sales offices in 40 strategically selected markets. The company now operates 34 sales offices in 18 major metropolitan areas: Atlanta, Austin, Baltimore, Boston, Charlotte, Chicago, Dallas, Denver, Houston, Los Angeles, New Jersey, New York City, Orlando, Phoenix, San Antonio, San Francisco, St. Louis and Washington, D.C.

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. The company also is included on Fortune's list of "America's Most Admired Companies," the Forbes Platinum 400 list of the best-performing big companies in America, and 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 Administaff Assistant®, an eService platform that provides clients and worksite employees with information and resources to help maximize the benefit of their Administaff services; and bizzportSM, an eCommerce portal that features value-added products and services from best-of-class providers such as American Express, Aon Enterprise, AT&T, Bank One, Best Upon Request, Continental Airlines, CorporateGifts.com, Dell, FTD.COM, Forrester Research, IBM, Lexmark, MovingStation, Spiegel, Virtual Growth and Works.

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 PEO industry. These factors are described in further detail in Administaff’s filings with the Securities and Exchange Commission.)