ViaSat Demonstration of MUOS Link Effects Simulator for Lockheed Martin Surpasses Program Requirements

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ViaSat Inc. (Nasdaq:VSAT) has completed and demonstrated a UHF Link Effects Simulator for Lockheed Martin (NYSE:LMT) that exceeded program requirements by simulating over 70 atmospheric models in testing terminals for the U.S. Navy Mobile User Objective System (MUOS). The Link Effect Simulator models the effects that varying terrain and environmental conditions will have on signals traveling between many user terminals on the ground and the MUOS satellites. MUOS is designed to be a network of Department of Defense satellites and associated ground facilities providing global, narrowband satellite communication services for mobile and fixed-site terminals.

The ViaSat design is a critical part of our integration and will perform a significant part of the user link demonstrations that make up the MUOS test program

The ViaSat system will become part of the MUOS System Integration Laboratory that Lockheed Martin will use to ensure proper operation of the communications system prior to launch of the satellites and implementation in the field. ViaSat will continue work on the Link Effects Simulator, refining the initial design and building a total of three complete simulators for delivery to Lockheed Martin.

"The ViaSat design is a critical part of our integration and will perform a significant part of the user link demonstrations that make up the MUOS test program," said E.V. DiMiceli, VP and program manager for MUOS at Lockheed Martin. "This is one of our first victories in demonstrating the hardware to our customer and providing this vital military communications infrastructure to our nation's military."

About Lockheed Martin (

Headquartered in Bethesda, Md., Lockheed Martin employs about 140,000 people worldwide and is principally engaged in research, design, development, manufacture, integration, and sustaining advanced technology systems, products and services. The corporation reported 2005 sales of $37.2 billion.

About ViaSat (

ViaSat produces innovative satellite and other communication products that enable fast, secure, and efficient communications to any location. The Company provides networking products and managed broadband services for enterprise IP applications; is a key supplier of network-centric military communications and encryption technologies to the U.S. government; and is the primary technology partner for gateway and customer-premises equipment for consumer and mobile satellite broadband services. The company's three wholly owned subsidiaries, US Monolithics, Efficient Channel Coding, and Enerdyne Technologies Inc., design and produce complimentary products such as monolithic microwave integrated circuits, DVB-S2 satellite communication components, and video data link systems. ViaSat has locations in Carlsbad, CA, and Duluth, GA, along with its Comsat Laboratories division in Germantown, MD. Additional field offices are located in Boston, MA, Baltimore, MD, Washington DC, Australia, China, India, Italy, and Spain.

Safe Harbor Statement

Portions of this release, particularly statements about performance of ViaSat VSAT products, may contain forward-looking statements regarding future events and are subject to risks and uncertainties. ViaSat wishes to caution you that there are some factors that could cause actual results to differ materially, including but not limited to: regulatory issues, product defects, contractual problems, technologies that do not perform according to expectations; and other factors affecting the telecommunications industry generally. The Company refers you to the documents it files from time to time with the Securities and Exchange Commission, specifically the section titled Factors That May Affect Future Performance in the Company's Form 10-K, which contain and identify other important factors that could cause actual results to differ materially from those contained in our projections or forward-looking statements. Stockholders and other readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. We undertake no obligation to update publicly or revise any forward-looking statements.

Comsat Labs and Comsat Laboratories are tradenames of ViaSat, Inc. Neither Comsat Labs nor Comsat Laboratories is affiliated with COMSAT Corporation. "Comsat" is a registered trademark of COMSAT Corporation.

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Joe LoBello
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