EXHIBIT 99.1

FOR IMMEDIATE RELEASE

CONTACT:
Elaine Parfitt
Chief Financial Officer
Integral Systems, Inc.
Phone: 301-731-4233
Fax: 301-731-9606

               INTEGRAL SYSTEMS COMPLETES ACQUISITION OF RT LOGIC

Lanham, Md., October 9, 2002 -- Integral Systems, Inc. (NASDAQ: ISYS) today
announced that it has completed the acquisition of RT Logic in accordance with
the terms disclosed previously. RT Logic will continue operating independently
as a wholly-owned subsidiary.

"We welcome RT Logic to the Integral Systems family of companies," said Steven
R. Chamberlain, Chairman and Chief Executive Officer. "They bring us a wealth of
technical talent, strong management, and another strategic advantage in the
military market."

Founded in 1982, Integral Systems is a leading provider of satellite systems and
has supported over 190 different satellite missions for communications, science,
meteorological and earth resource applications. The Company was the first to
offer an integrated suite of COTS (Commercial Off The Shelf) software products
for satellite command & control, the EPOCH 2000 product line. EPOCH has become a
world market leader in commercial applications with successful installations on
5 continents. The Company also offers products and services for satellite
integration and test and payload data processing.

Through its wholly owned subsidiary SAT Corporation, the Company provides
satellite and terrestrial communications signal monitoring systems to satellite
operators and users throughout the world. The Company also provides software for
equipment monitoring and control to satellite operators and telecommunications
firms through its Newpoint Technologies, Inc. subsidiary. Integral Systems has
approximately 350 employees working at Company headquarters in Lanham, Maryland,
and at other locations in the U.S. and Europe.

Except for statements of historical facts, this news release contains
forward-looking statements about the Company, including but not necessarily
limited to financial projections, all of which are based on the Company's
current expectations. There is no assurance that the Company's projections will
in fact be achieved and these projections do not reflect any acquisitions or
divestitures that may occur in the future. The forward-looking statements
appearing in this news release are subject to risks and uncertainties that may
cause actual results to differ materially from such statements, including the
Company's reliance on contracts and subcontracts funded by the U.S. government,
intense competition in the ground systems industry, the competitive bidding
process to which the Company's government and commercial contracts are subject,
the Company's dependence on the satellite industry for most of its revenues,
rapid technological changes in the satellite industry, the Company's acquisition
strategy and those other risks noted in the Company's SEC filings. The Company
assumes no obligation to update or revise any forward-looking statements
appearing in this news release.

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