ADMINISTAFF NAMED ONE OF AMERICA'S MOST ADMIRED COMPANIES FOR THIRD CONSECUTIVE YEAR

HOUSTON, TX – February 21, 2001 – Administaff, Inc. (NYSE: ASF), the nation’s leading Professional Employer Organization (PEO), has been named one of America’s most admired companies by Fortune magazine for the third consecutive year. The company ranked among the top four businesses in the Outsourcing Services category. Fortune’s list of America’s most admired companies is published in the Feb. 19, 2001 issue.

To compile the rankings, Fortune used eight criteria, including financial soundness, quality of products and services, long-term investment value, quality of management, employee talent, social responsibility, innovativeness, and use of corporate assets. An independent company that polls top business executives, directors and securities analysts for the industry rankings conducted the survey.

"We are pleased that Fortune magazine has again recognized the success of our company," commented Paul J. Sarvadi, Administaff president and chief executive officer. "We are especially honored to be regarded so highly by our industry peers and are proud to be part of this prestigious list."

For additional information about Fortune magazine’s "America’s Most Admired Companies" list, log on to www.fortune.com.

With 2000 revenues of $3.7 billion, 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. In addition to being included on Fortune’s list of "America’s Most Admired Companies," the company ranks number 615 on the Fortune 1000 list, and is included in the Forbes Platinum 400 list of the best big companies in America and the Information Week 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, Forrester Research, FTD.COM, IBM, Lexmark, MovingStation, Spiegel, Virtual Growth and Works.com.

Administaff has 32 sales offices in 17 major markets. 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.)