Viasat, Blacktree Technology Sign Agreement to Enhance Support for the Australian Defence Force and Five Eyes Partners

Agreement Focuses on Providing Advanced Manufacturing and Support Services for Ultra High Frequency Satellite Communications Terminals

CANBERRA,Australia,March 5,2020 --Viasat Inc.(NASDAQ: VSAT),a global communications company,todayannounced it signed a Strategic Alliance Agreement (SAA) with Blacktree Technology,Pty Ltd (Blacktree),an Australian-based communications systems design and integrationcompany,in November 2019. The SAA will enable Viasat and Blacktree to meet the needs of the Australian Defence Force (ADF) requirements,by providing rapid and cost-effective in-country manufacturing and support services for Ultra High Frequency (UHF) satellite communications (SATCOM) systems.

Colin Cooper,general manager,Government Systems,Viasat Australia commented,"Our agreement with Blacktree will play a critical role in supporting and expanding UHF support and maintenance resources in Australia,and will provide opportunities to investigate export of UHF products and services to Five Eyes (FVEY)and coalition UHF military SATCOM user nations."

"Blacktree welcomes the formalisation of the alliance with Viasat,which strengthens a relationship that enhances ongoing innovation and development of UHF SATCOM solutions and support for Defence customers in Australia and internationally," said Joe Nevin,director,Blacktree Technology.

Viasat's leadership in critical technology segments such as SATCOM,tactical networks and cybersecurity offers an opportunity for Australia to modernise systems used by the ADF. Viasat is a leader in UHF SATCOM and is working to assure global 25-kHz Demand-Assigned Multiple-Access and next-generation Integrated Waveform (IW) networks and services,enabled by Viasat's Visual Integrated Satellite communications Information,Operation and Networking (VISION) software platform continue to meet military mission requirements.

Viasat's Ka-band broadband satellites combined currently offer more bandwidth than any other satellite operator in the world. Viasat is a vertically integrated satellite communications technology and services company,and is a leading provider of highly integrated GEO payloads,components & subsystems,gateway/teleport antenna systems,networking systems,user terminals for fixed & mobile applications,ASICs,MMICS,and/or modules for third party terminal developers.

Importantly from a defence perspective,beginning in 2021,Viasat plans to launch a new,global ViaSat-3 constellation of resilient,flexible and agile high-capacity communications satellites that will improve responsiveness of current and emergent defence mission threats.

Viasat's Australian Government Systems business is headquartered in Canberra and provides a wide range of defence technology capabilities and sovereign resourcesto meet Australia's needs.

The range of products being developed and supported by Blacktree include high-gain UHF helical antenna's,static and remote-control pedestal systems,filters and diplexers,HPA's,LNA's and RF management components.Blacktree's products are manufactured in Perth,complemented by support teams located in Darwin and Canberra,Australia.

About Viasat

Viasat is a global communications company that believes everyone and everything in the world can be connected. For more than 30 years,Viasat has helped shape how consumers,businesses,governments and militaries around the world communicate. Today,the Company is developing the ultimate global communications network to power high-quality,secure,affordable,fast connections to impact people's lives anywhere they are—on the ground,in the air or at sea. To learn more about Viasat,visit:www.viasat.com,go to Viasat's Corporate Blog,or follow the Company on social media at: Facebook,Instagram,LinkedIn,TwitterorYouTube.

About Blacktree Technology

Blacktree Technology is a trusted global supplier of critical communications solutions. For the past 20 years Blacktree has been solving communication problems in challenging and geographically diverse environments for commercial,industrial and Defence customers.Based on the west coast of Australia,the Company is supporting the ADF whilst growing exports to customers in FVEY partner nations. To learn more about Blacktree Technology,visitwww.blacktree.com.au,or follow the Company on social media atLinkedin.

Forward-Looking Statements

This press release contains forward-looking statements that are subject to the safe harbors created under the Securities Act of 1933 and the Securities Exchange Act of 1934. Forward-looking statements include statements that refer to the strategic alliance agreement between Viasat and Blacktree Technology,including the provision of UHF SATCOM systems manufacturing and support services to the ADF,FVEY and coalition nations; and the performance,capabilities and anticipated benefits of the ViaSat-3 class satellite platform,including the expected capacity,coverage,flexibility and other features of the ViaSat-3 constellation. Readers are cautioned that actual results could differ materially and adversely from those expressed in any forward-looking statements. Factors that could cause actual results to differ include: the ability to realize the anticipated benefits of the ViaSat-3 satellite platform; unexpected expenses or delays related to the ViaSat-3 satellite platform; risks associated with the construction,launch and operation of ViaSat-3 and Viasat's other satellites,including the effect of any anomaly,operational failure or degradation in satellite performance; manufacturing issues or delays; contractual problems; regulatory issues; technologies not being developed according to anticipated schedules,or that do not perform according to expectations; and increased competition and other factors affecting the government and defence sectors generally. In addition,please refer to the risk factors contained inViasat'sSECfilings available atwww.sec.gov,includingViasat'smost recent Annual Report on Form 10-K and Quarterly Reports on Form 10-Q. Readers are cautioned not to place undue reliance on any forward-looking statements,which speak only as of the date on which they are made.Viasatundertakes no obligation to update or revise any forward-looking statements for any reason.

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