Inmarsat completes sale of Inmarsat retail energy operations to RigNet

03 February 2014 – Inmarsat (LSE:ISAT.L), the leading provider of global mobile satellite communications services, today confirmed that, following regulatory and other approvals, it has now completed the sale of its retail energy operations to RigNet, Inc. (NASDAQ: RNET), a leading global provider of managed remote communications solutions to the oil and gas industry.  The sale is part of a wide-ranging strategic transaction between the two companies, which also includes the appointment of RigNet as a Value Added Reseller (VAR) for Inmarsat’s game-changing Global Xpress® service and as a Distribution Partner for Inmarsat’s award-winning L-band services to the energy sector.

Under the deal, Inmarsat sold to RigNet substantially all of its retail energy broadband assets, which include Inmarsat’s microwave and WiMAX networks in the US Gulf of Mexico, its VSAT interests in the UK, the US and Canada, its telecommunications systems integration business operating worldwide, and its retail L-band energy satcoms business.   In 2012, the operations subject to the sale had total revenues of US$68 million.   The transaction excludes Inmarsat’s energy interests in Russia.

For Further Information

Chris McLaughlin

Senior VP, External Affairs

Head of Corporate Communications

D +44 (0)20 7728 1015

M +44 (0)779 627 6033

chris.mclaughlin@inmarsat.com

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.

The Inmarsat press release newsfeed is on Twitter @Inmarsatnews and corporate updates are on @Inmarsat_plc

About RigNet, Inc.

RigNet (NASDAQ: RNET) is a leading global provider of managed remote communications, systems integration and collaborative applications dedicated to the oil and gas industry, focusing on offshore and onshore drilling rigs, energy production facilities and energy maritime. RigNet provides solutions ranging from fully-managed voice and data networks to more advanced applications that include video conferencing and real-time data services to remote sites in over 30 countries on six continents, effectively spanning the drilling and production industry. RigNet is based in Houston, Texas. For more information, please visit www.rig.net. RigNet is a registered trademark of RigNet, Inc.