Carlsbad, CA – March 12, 2008 –ViaSat Inc. (NASDAQ: VSAT) has expanded its contribution to universal communications access in Russia, having installed over 1,000 LinkStar®_S2 satellite networking terminals over the past year. Working through Russian service provider HeliosNet, the VSAT network deployments also include three LinkStar DVB-S2 hubs.

HeliosNet has won rights to provide USO (Universal Service Obligation) services in 11 regions comprising 1524 villages using LinkStar VSATs (Very Small Aperture Terminals). The Russian Federal Communication Agency USO program is installing communal Internet access points for all remote area populations in the Russian Federation. The access points host communication services such as Web browsing, e-mail, education, entertainment, and government information access.

“Our commitment to the thriving Russian communications market continues to be proven by the success of ViaSat and HeliosNet in bringing Internet access to the most difficult and remote locations of this enormous territory,” commented Robert Feierbach, managing director, Europe and Latin America for ViaSat.

The hub-based LinkStar_S2 system incorporates the DVB-S2 waveform that offers up to 30% greater bandwidth efficiency, substantially reducing network operating costs and increasing network capacity. In addition to DVB-S2 savings, the LinkStar system now also includes ACM (Adaptive Coding and Modulation) in which the downstream carrier dynamically changes its modulation and coding in response to changing link conditions. In environments prone to unpredictable and heavy weather, ACM provides up to 46% reduction in satellite bandwidth compared to a non-ACM implementation of DVB-S2. The LinkStar_S2A system also includes ViaSat-exclusive Dynamic Link Adaptation (DLA) to provide operators even more improvements in performance reliability when satellite signal strength degrades.

About HeliosNet (www.helios-net.ru/)

HeliosNet is a Moscow-based telecommunication service provider. The company offers a variety of telecommunication services, including satellite Internet access, for government, commercial organizations and private individuals throughout the Russian Federation. Решайте любые телекоммуникационные задачи с HeliosNet.

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