Offering of Senior Notes

Inmarsat - offering of Senior Notes

London. 4 April 2012. Inmarsat plc announces an offering of debt securities through Inmarsat Finance plc, a wholly-owned subsidiary company. Inmarsat is offering approximately US$200 million of 7.375% Senior Notes due 2017. If completed, these new notes will be treated as one class of securities, having the same terms and rights, as Inmarsat's existing 7.375% Senior Notes due 2017 in all respects. The new notes have not been and will not be registered under the U.S. Securities Act of 1933 and may not be sold in the United States absent an exemption from the registration requirement of such act. The company intends to use the net proceeds (after fees and expenses) for general corporate purposes. A further announcement will be made to confirm the outcome of the offering.

Certain statements in this announcement constitute "forward-looking statements" within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements involve risks, uncertainties and other factors that may cause our actual results, performance or achievements, or industry results, to be materially different from those projected in the forward-looking statements. These factors include: general economic and business conditions; changes in technology; timing or delay in signing, commencement, implementation and performance of programmes, or the delivery of products or services under them; structural change in the satellite industry; relationships with customers; competition; and ability to attract personnel. You are cautioned not to rely on these forward-looking statements, which speak only as of the date of this announcement. We undertake no obligation to update or revise any forward-looking statement to reflect any change in our expectations or any change in events, conditions or circumstances.

Contact

Investor enquiries:

Simon Ailes

Tel: +44 (0)20 7728 1518

[email protected]