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Alexandria, VA – July 19, 2006 – Famborough, England – July 19, 2006 – Rannoch Corporation announced today at the Farnborough Airshow that the City of Houston, Texas, awarded a contract to the company to provide a state-of-the-art flight tracking system covering all three major airports in the Houston Airport System.

The system will track and identify aircraft in real-time at the City’s airports and throughout over 4,000 square miles of airspace in the Houston area. Combined, the three airports of the Houston Airport System - George Bush Intercontinental Airport, William P. Hobby Airport and Ellington Field - generate over 900,000 operations per year, ranking the Houston Airport System as the fourth largest airport system in the United States and the sixth largest in the world.

The technology is called Automatic Dependent Surveillance - EXtended, or ADS-X, which embraces the Next Generation Air Traffic System (NGATS), while preserving compatibility with older, less advanced, aircraft transponder equipment, allowing the system to accurately track and identify all aircraft regardless of whether they have older or newer transponder technology.

Rannoch has many ADS-X flight tracking systems deployed world wide, including applications that serve the needs of airport operations monitoring and air traffic control systems. Rannoch was the first company in the world to deploy multilateration to supply flight track data to airport monitoring and management systems and is the only company that can offer its own multilateration flight tracking system and complete airport management software.

“ADS-X represents the future of flight tracking technology and Rannoch has been leading the way with constant innovation, as evidenced by over 25 patents issued and pending held by the company in the fields of ADS-X, airport management, and revenue management systems,” stated Robert Blair, Rannoch’s Commercial Sales Manager.

“Airports today are looking for systems that have a proven track record and offer assurances that they are investing in technologies with a future. Rannoch realized the advantages of this advanced technology in the airport operations market years ago and has been alone in bringing ADS-X to the commercial airport market at a cost that is competitive with older, less advanced independent tracking technologies,” added Blair.