ADMINISTAFF NAMED ONE OF AMERICA'S MOST ADMIRED COMPANIES BY FORTUNE MAGAZINE

HOUSTON, TX – March 09, 1998 – Administaff, Inc. (NYSE: ASF), a leading Professional Employer Organization (PEO), has been named to Fortune magazine’s list of America’s Most Admired Companies. Administaff ranked in the top three businesses for the Outsourcing Services category in the magazine’s listing, published in the March 1, 1999, edition.

In compiling the rankings, Fortune based the evaluation on eight criteria, including such areas as financial soundness, quality of products and services, and long-term investment value. The study is conducted by an independent company that surveys top business executives and securities analysts for the industry rankings.

"We are pleased that Fortune has recognized the success of our company, and we are honored to be included on this prestigious list," said Paul J. Sarvadi, Administaff president and chief executive officer.

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

Administaff provides small- to medium-sized businesses with a comprehensive Personnel Management System that includes benefits and payroll administration, medical and workers’ compensation insurance programs, personnel records management, employer liability management, employee recruiting and selection, performance management, and training and development services. The company currently has 23 offices in 14 major markets and serves clients and worksite employees throughout the United States. 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) regulatory and tax developments; (ii) changes in the company's direct costs and operating expenses; (iii) the effectiveness of the company's sales and marketing efforts, including its marketing agreement with American Express, American Express' ability to set qualified appointments and the company's ability to convert those appointments into sales; (iv) the estimated costs and effectiveness of capital projects and investments in technology and infrastructure; (v) changes in the competitive environment in the PEO industry; and (vi) the effectiveness and estimated costs of the company's Year 2000 conversion and contingency plans. These factors are described in further detail in the company's filings with the Securities and Exchange Commission.)