Integral's EPOCH IPS Leads the Way with Yesterday's Dual Launch

LANHAM, Md., Aug. 15 - Integral Systems, Inc. (NASDAQ:ISYS), today announced that the recent dual launch of BSAT-3a and Spaceway 3 marks the fifth commercial GEO (Geostationary Earth Orbiting) communications satellite launched this year for which Integral Systems has provided command and control systems based on its EPOCH IPS (Integrated Product Suite). EPOCH-based command and control software also was provided to support SAR-Lupe 2, a LEO (Low Earth Orbiting) imaging satellite launched this past July.

"We are pleased with our continued successes in the commercial satellite market," said Stuart Daughtridge, Vice President of the Commercial Division at Integral Systems. "This most recent Ariane dual launch is the fifth launch this year of commercial GEO communications satellites for which we have provided our EPOCH-based control system. These launches span five different satellite owners across Europe, Asia, and North America. The inherent flexibility and reliability of our offering, its low cost to procure, operate, and maintain, and the quality of our services and products continue to make ISI and our EPOCH product line the preferred choice of satellite owners and operators worldwide."

During the next six months, Integral Systems anticipates supporting the launches of an additional four commercial GEO communications satellites with EPOCH-based satellite control systems. EPOCH IPS also will be used to support two LEO imaging satellites, SAR-Lupe 3 and 4, and the U.S. Air Force's WGS-F1 GEO communications satellite. These satellites also are scheduled for launch during the next six months.

Founded in 1982, Integral Systems is a leading provider of satellite ground systems and has supported over 205 different satellite missions for communications, science, meteorological, and earth resource applications. Integral Systems was the first company to offer an integrated suite of COTS (Commercial Off-the-Shelf) software products for satellite command and control: the EPOCH IPS product line. EPOCH IPS has become the world market leader in commercial applications with successful installations on five continents.

Through its wholly-owned subsidiary, SAT Corporation, Integral Systems provides satellite and terrestrial communications signal monitoring systems to satellite operators and users throughout the world. Through its Newpoint Technologies, Inc., subsidiary, Integral Systems also provides software for equipment monitoring and control to satellite operators and telecommunications firms. Integral Systems' RT Logic subsidiary builds telemetry processing systems for military applications, including tracking stations, control centers, and range operations. Integral Systems' Lumistar, Inc., subsidiary provides system- and board-level telemetry acquisition products. Integral Systems has approximately 460 employees working at its headquarters in Lanham, MD, and at other locations in the U.S. and Europe. For more information, visit

Source: Integral Systems, Inc.

CONTACT: Stuart Daughtridge, Executive Vice President, Commercial Division of Integral Systems, Inc., +1-301-731-4233, Fax: +1-301-731-9606

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