Cleveland Ohio – September 18, 2006 -- Efficient Channel Coding Inc. (ECC), a wholly-owned subsidiary of ViaSat Inc. (Nasdaq:VSAT), has successfully concluded a development and demonstration of its second generation Digital Video Broadcast over Satellite (DVB-S2) technology for the Air Force Global Broadcast Service (GBS). GBS has been using the predecessor technology, DVB-S to broadcast vast amounts of data and imagery via satellite to armed forces worldwide. The DVB-S2 technology enables use of more advanced forward error correction to increase satellite transponder throughput by at least 30 percent. In addition, an ECC DVB-S2 feature called Variable Coding and Modulation (VCM), can assign different coding and modulation techniques on a terminal-by-terminal basis, increasing throughput by another three to four times. The ECC SkyPhy 3100 DVB-S2 ASIC chip is now available with full VCM and adaptive coding and modulation (ACM).

The GBS demonstration is part of the Office of the Secretary of Defense Acquisition Challenge Program, which provides funding to introduce new technology that improves services or save costs in DOD operational programs. The Defense Information Systems Agency (DISA) and the Air Force GBS Joint Program Office were also involved in the DVB-S2 technology demonstration along with ECC.

Mr. Bruce Bennett, chief of the DISA Terrestrial Network Engineering Office said “once fully deployed the DVB-S2 technology has the potential to save the GBS program up to $50 million in satellite lease costs over the projected life of the program.”

“Our successful performance during the demonstrations helps us solidify our leadership position in DVB-S2 satellite broadband technology,” said ECC CEO Mark Vanderaar.

Safe Harbor Statement

Portions of this release, particularly statements about ECC products and technologies, 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 from historical results or from any results expressed or implied by such forward-looking statements, including but not limited to: ViaSat’s ability to perform under the existing contract, product design flaws or defects, changes in product supply or component pricing, manufacturing issues or delays, changes in relationships with, or the financial condition of, customers or suppliers, changes in government regulations, changes in economic conditions globally and in the communications markets in particular, potential product liability, infringement and other claims, and other factors affecting the communications industry generally. ViaSat 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 ViaSat’s Form 10-Ks and subsequent Form 10-Qs. These documents 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.

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