SpatialNews Press Release

TruePosition and Cingular Wireless Complete GSM Testing -- TruePosition Technology Surpasses the FCC Mandated Accuracy Requirements

www.trueposition.com

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KING OF PRUSSIA, Pa., Dec 16, 2002 - TruePosition, Inc., a leading provider of location-based technologies, today announced the successful completion of field testing of TruePosition's network-based wireless location solution for the GSM air interface with Cingular Wireless. TruePosition's Uplink-TDOA platform achieved the FCC's mandated standards.

TruePosition installed its proprietary Position Determining Equipment (PDE) on 17 cell sites across 21 square miles in and around Wilmington, Delaware. In testing led by Cingular Wireless, the equipment exceeded the FCC's mandated standards. Testing occurred over a two-day period from October 23 to October 24, 2002. Testing involved stationary, moving, and in-building calls. Of the 1,529 calls made, 67% were located within 47.1 meters and 95% were located within 112.2 meters.

The results from the testing achieved the FCC's mandated requirements. The FCC requires wireless carriers to provide designated public safety agencies with the location of 911 calls in accordance with the following standards: (1) for network-based location technologies such as TruePosition's, 100 meters for 67% of calls and 300 meters for 95% of calls; and (2) for handset-based technologies, 50 meters for 67% of calls and 150 meters for 95% of calls.

"TruePosition's proprietary network-based, U-TDOA solution is available today," said Kent Sander, President and Chief Operating Officer of TruePosition. "This is another indication of the viability of TruePosition's technology for GSM carriers. Our technology works with all legacy and future handsets and, as proven again today, is a technology that surpasses the FCC's mandated accuracy standards."

About TruePosition, Inc.

TruePosition, headquartered in King of Prussia, PA, is a leading provider of integrated wireless location products and services to both U.S. and international wireless carriers. TruePosition provides a suite of turnkey location technologies supporting the varying needs of wireless carriers and location service providers. TruePosition technology operates with all major air interfaces and is capable of locating over 95% of the world's wireless phones. TruePosition is a subsidiary of Liberty Media Corporation (NYSE: L, LMC.B), which owns interests in a broad range of video programming, broadband distribution, interactive technology services and communications businesses. Liberty Media and its affiliated companies operate in the United States, Europe, South America and Asia with some of the world's most recognized and respected brands, including Encore, STARZ!, Discovery, USA, QVC, and Court TV. For more information, visit http://www.trueposition.com .

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