27 January 2010

Deregistration of Inmarsat Registrants from SEC reporting

Inmarsat plc (the "Company") (LSE: ISAT), today announces that certain of its subsidiaries, namely Inmarsat Finance plc, Inmarsat Finance II plc, Inmarsat Global Limited, Inmarsat Group Limited, Inmarsat Holdings Limited, Inmarsat Investments Limited, Inmarsat Launch Company Limited, Inmarsat Leasing (Two) Limited and Inmarsat Ventures Limited (together, the "Inmarsat Registrants"), intend to file voluntary deregistration forms with the U.S. Securities and Exchange Commission (the "SEC") in connection with the termination of their respective reporting obligations under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The Company decided to deregister the Inmarsat Registrants under the Exchange Act following the redemption and cancellation of certain debt instruments.

The Inmarsat Registrants intend to file Forms 15F with the SEC on or about the date hereof. Upon filing the Forms 15F, the Inmarsat Registrants' respective reporting obligations under the Exchange Act will be immediately suspended, such that they will cease reporting to the SEC. The deregistration will become effective 90 days after the filing, unless the Inmarsat Registrants withdraw the Forms 15F. The Company expects to continue publishing its annual report and consolidated financial accounts and other documents and communications on its website (www.inmarsat.com).

Enquiries:

Simon Ailes

Telephone: +44 20 7728 1518

Email: simon_ailes@inmarsat.com