X0306 4 2013-01-04 0 0001418819 Iridium Communications Inc. IRDM 0001312913 Krongard A B C/O IRIDIUM COMMUNICATIONS INC. 1750 TYSONS BOULEVARD, SUITE 1400 MCLEAN VA 22102 1 0 0 0 Stock Option (right to buy) 6.86 2013-01-04 4 A 0 52434 2.67 A 2023-01-04 Common Stock 52434 52434 D The shares underlying this option vest in four equal quarterly installments on the last day of each calendar quarter during 2013, subject to the reporting person's continued service with the issuer as of the vesting date. This stock option was issued to the reporting person as compensation for services as a director pursuant to the issuer's director compensation plan in lieu of annual retainer fees of $140,000. /s/Brian Leaf, Attorney-in-Fact 2013-01-08