Inmarsat Regulatory News (ISAT)

Inmarsat signs contract to launch European Aviation Network satellite with Arianespace

8 December 2016: Inmarsat (LSE:ISAT.L), the world's leading provider of global mobile satellite communications, has today signed a contract with Arianespace to launch its S-band satellite for the European Aviation Network (EAN) on an Ariane 5 heavy lift launch vehicle. The EAN payload is part of a 'condosat' constructed by Thales Alenia Space, which incorporates a second payload for Hellas-Sat. The condosat is scheduled to be launched from the Guiana Space Center in Kourou, French Guiana in mid-2017.

The condosat was originally scheduled for launch with SpaceX. However, following the delay in SpaceX's launch schedule, Inmarsat and Hellas-Sat took the decision to move the condosat to an Arianespace launch.

Inmarsat will launch Inmarsat-5 F4, a Global Xpress (GX) satellite, with SpaceX. This launch is planned for H1 2017 and Inmarsat is looking forward to continuing to work with SpaceX going forward.

"We are delighted with flexibility that Arianespace has shown in being able to provide a launch slot that enables us to place our European Aviation Network S-band satellite in orbit by mid-2017," said Michele Franci, CTO, Inmarsat. "This launch schedule supports the introduction of our ground-breaking integrated satellite and air-to-ground network, developed by Inmarsat and Deutsche Telekom, which will deliver a very high capacity broadband Wi-Fi experience for passengers flying throughout Europe."

ENDS

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Rob Gurner Chris McLaughlin/Jonathan Sinnatt

Tel: +44 (0)20 7728 1518 Tel: +44 (0)20 7728 1935

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About Inmarsat Inmarsat plc is the leading provider of global mobile satellite communications services. Since 1979, Inmarsat has been providing reliable voice and high-speed data communications to governments, enterprises and other organizations, with a range of services that can be used on land, at sea or in the air. Inmarsat employs around 1,600 staff in more than 60 locations around the world, with a presence in the major ports and centres of commerce on every continent. Inmarsat is listed on the London Stock Exchange (LSE:ISAT.L). For more information, please visit www.inmarsat.com.

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