Inmarsat Regulatory News (ISAT)

Name of applicant:

Inmarsat plc

Name of scheme:

The Bonus Share Plan

Period of return:

From:

2 October 2009

To:

1 April 2010

Balance of unallotted securities under scheme(s) from previous return:

539,956

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

300,000

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

(578,309)

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

261,647

Name of contact:

Jessica Foster

Telephone number of contact:

020 7728 1304