[GRAPHIC OMITTED][GRAPHIC OMITTED]                                          NEWS
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                   GRC International Completes Acquisition of
                      Management Consulting & Research Inc.

Vienna, Va., Sept. 2, 1999 - GRC International  (NYSE: GRH) today announced that
it  successfully  completed  the  acquisition  of  all of the  common  stock  of
Management  Consulting & Research Inc.  (MCR) Inc. and its  subsidiaries,  under
terms disclosed in a news release issued Aug. 6, 1999.  Beginning Sept. 2, 1999,
MCR will operate as a  wholly-owned  subsidiary  of GRCI under its existing name
with its operating results incorporated into GRCI's results.

MCR, with annual revenues of approximately $30 million and 270 employees, adds a
variety of advanced cost analysis,  financial  management and program management
services to GRC International's technical services offerings and provides access
to a broader client base within the federal government, particularly the U.S.
Air Force.

GRC  International  President and CEO Gary Denman said, "We are pleased with the
quality  of our first  acquisition  under  our  strategic  growth  plan and look
forward to working closely with the all of the employees of MCR. They strengthen
and broaden our services offerings, particularly in the highly sought after area
of cost analysis. This will allow us to provide our customers with a more robust
service offering and will provide our shareholders with greater value."

GRC International  Inc.,  headquartered in Vienna, Va., is a leading provider of
professional services focusing on information technology, management consulting,
and  engineering  services  for a  national  clientele  in  the  government  and
commercial  sectors.  GRCI is a publicly  traded  company listed on the New York
Stock Exchange under the symbol GRH.  Additional details about GRC International
can be obtained on the Internet at http://www.grci.com/.  Details concerning MCR
can be viewed at http://www.mcri.com.

Inquiries:  James  Allen,  CFO,  (703)  506-5574,  or Wayne  Jackson,  Director,
Corporate  Communications,  (703) 506-5038. GRCI press releases are available on
the Internet through Company News On-Call at http://www.prnewswire.com/.

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