Inmarsat Announces Appointment of Rupert Pearce as CEO From 1 January 2012

LONDON, July 6, 2011 -

Inmarsat plc (LSE:Isat L), the leading provider of global mobile
satellite communications services, reports that with effect from 1
January 2012 Andrew Sukawaty will become Executive Chairman and
Rupert Pearce will become Chief Executive Officer.  Rupert
will join the Inmarsat plc board as an executive director effective
6 July 2011.  With this appointment Inmarsat has implemented a
previously announced plan to separate the roles of Chairman and
Chief Executive Officer.

Rupert Pearce, who currently serves as Senior Vice President of
Inmarsat Enterprises and Inmarsat’s Group General Counsel, has been
with the company for six years.  In this time he has been
instrumental in shaping the strategic direction of the company,
including the acquisition of Inmarsat’s largest distributor,
Stratos; formulating and executing the business plan for the Global
Xpress^[TM] Inmarsat-5 satellite
constellation; as well as the creation and negotiation of the
Co-operation Agreement with LightSquared on use of Inmarsat’s
spectrum over North America.

The Board of Inmarsat is pleased to confirm that Andrew Sukawaty
has agreed to continue to be involved in the business as Executive
Chairman for not less than two years.  He will continue in the
joint role of Chairman and Chief Executive Officer until 31
December 2011. Commenting on Mr Pearce’s appointment, Mr Sukawaty
said, “Rupert has led many of our major programmes since he joined
Inmarsat six years ago.  He is extremely well prepared to head
our experienced management team and drive the company forward into
its next stage of growth.”

About Inmarsat

Inmarsat plc (LSE: ISAT) 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.  The company’s services are delivered through a global
network of more than 400 distribution partners and service
providers operating in 100 countries.  For the year ended 31
December 2010, Inmarsat plc had total revenue of US$1,171.6 million
(2009: US$1,038.1 million) with an EBITDA of US$696.1 million
(2009: US$594.2 million).  For more information, please visit
www.inmarsat.com.

Notes to Editors:

Rupert Pearce joined Inmarsat in January 2005 as Group
General Counsel and, since January 2009, has additionally held the
position of Senior Vice President, Inmarsat Enterprises. Inmarsat
Enterprises is a division of Inmarsat that comprises strategy &
business development, legal & regulatory affairs, as well as
certain operating assets and investments, including Inmarsat’s
recently launched Global
Xpress^[TM] initiative comprising
the Inmarsat-5 generation of revolutionary Ka-band satellites.
 

Previously, Rupert worked for Atlas Venture, a transatlantic
venture capital company, where he was a partner working with the
firm’s European and U.S. investment teams on investment,
divestment, M&A and corporate finance transactions and was a
member of the firm’s investment and exit committees. He was
previously also a partner at the international law firm Linklaters,
where he spent 13 years specialising in corporate finance, M&A
and private equity transactions.

Rupert received an MA (First Class) in Modern History from
Oxford University and won the 1995 Fullbright Fellowship in U.S.
securities law, studying at the Georgetown Law Center. He has been
a visiting fellow of the Imperial College Business School, London
lecturing on the school’s Entrepreneurship programme, and is the
co-author of ‘Raising Venture Capital’ (Wiley).

Pictures available upon request.

Contact: Inmarsat, London, UK, Investor Enquiries: Simon Ailes, Tel: +44-20-7728-1518, simon_ailes at inmarsat.com, Media Enquiries: Chris McLaughlin, Tel: +44(0)77-9627-6033
christopher_mclaughlin at inmarsat.com