HOUSTON, TX – April 12, 2000 – Administaff, Inc. (NYSE: ASF), a leading Professional Employer Organization (PEO), today announced the launch of bizzport, a multi-purpose eCommerce portal designed for exclusive use by Administaff’s clients and worksite employees. By leveraging the collective buying power of Administaff’s clients and worksite employees, the portal brings a broad range of value-added products and services from best-of-class providers to the premium small business community represented by Administaff’s client base. Along with the best-of-class provider network, bizzport offers a Best2BestSM forum that enables Administaff clients to market their products and services to other Administaff clients and worksite employees.

Through bizzport, more than 3,000 business clients and 50,000 worksite employees will have access to special offers on business-to-business and business-to-consumer products, services, and resources. Among the major categories on bizzport are technology solutions, financial solutions, business products and services, research and consulting, insurance services, and consumer services.

Strategic alliances for bizzport offerings currently include American Express, Aon Enterprise Insurance Services, Bank One, Dell Computers, Forrester Research, IBM, MobShop,

Inc. (formerly Accompany, Inc.), and Works.com. In addition, Administaff expects to announce new alliances in the coming months.

"Our new eCommerce portal is another example of how Administaff is integrating high tech with high touch for the benefit of our clients and worksite employees," said Paul J. Sarvadi, Administaff president and chief executive officer. "Bizzport creates a virtual marketplace for business owners and worksite employees to purchase the kinds of quality products and services they need to succeed."

In addition to expanding the company’s service offering and helping to further strengthen client retention rates, bizzport is expected to enhance to company’s attractiveness to prospective clients and produce incremental revenue streams.

Bizzport is accessible to Administaff clients and worksite employees through the company’s web site (www.administaff.com) and through Administaff Assistant, the company’s eService platform.

With 1999 revenues of $2.3 billion, Administaff is a leading provider of personnel management services for small and medium-sized businesses throughout the United States. The company’s comprehensive Personnel Management System includes employment administration, benefits management, government compliance, recruiting and selection, employer liability management, training and development, performance management and owner support. Administaff ranks number 615 on the Fortune 1000 list and is included for the second consecutive year on Fortune’s list of "American’s Most Admired Companies." The company also ranks number 83 on the Information Week 500 list of leading information technology innovators. Administaff currently has 26 sales offices in 15 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) regulatory and tax developments; (ii) changes in Administaff’s direct costs and operating expenses; (iii) the effectiveness of Administaff’s sales and marketing efforts, including its marketing agreement with American Express, American Express’ ability to set qualified appointments and Administaff’s ability to convert those appointments into sales; (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, including identifying and reaching agreements with strategic alliance partners, timely rollout of and attraction of clients and worksite employees to its eCommerce portal, effective generation of revenues from eBusiness initiatives and unanticipated development costs of eBusiness initiatives; and (vi) 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.)