1
News Release
For Immediate Release


                DELTEK COMPLETES ACQUISITION OF HARPER AND SHUMAN

McLean, Virginia, June 1, 1998 -- Deltek Systems, Inc. (Nasdaq: DLTK), a leading
provider of advanced software for project-oriented businesses, today announced
that it had completed the acquisition of Harper and Shuman, Inc. on May 29,
1998. The acquisition, first announced on May 27, 1998, will support Deltek's
strategy of providing business solutions to architectural and engineering firms.

About Deltek:

Deltek Systems, Inc. (NASDAQ: DLTK) designs, develops and supports software for
project-oriented businesses. Deltek's enterprise-level solutions encompass
financial and project accounting, materials management, human resources and
payroll administration, employee timekeeping, project and resource management,
and executive information distribution. Deltek's full range of related services
include implementation assistance, consulting, training, software maintenance
and telephone support. A leader in providing project-oriented solutions since
1983, Deltek serves thousands of project-oriented companies word-wide.

Industries using Deltek products include aerospace and defense, architecture and
design, biotechnology, computer services, consulting services, construction,
engineering, environmental, US federal government, government contracting, high
technology, laboratories, make-to-order manufacturing, not-for-profit
professional services, public relations and marketing, research and development,
shipbuilding and marine services, software development, systems integration, and
technical services.

Deltek is headquartered in McLean, Virginia, with offices in San Jose,
California, Denver, Colorado, St. Louis, Missouri, and London, England. Product
and service information is located on the Word Wide Web at www.deltek.com.

Contact:
Babette J. Aller
Investor Relations
703-734-8606 x4444
baller@deltek.com