X0306 4 2020-10-22 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 Common Stock 2020-10-22 4 M 0 24518 8.32 D 228688 D Common Stock 160983 I By Krongard Irrevocable Equity Trust dated June 30, 2009 Stock Option (Right to Buy) 8.32 2020-10-22 4 M 0 24518 0.00 D 2021-01-05 Common Stock 24518 0 D These shares are held in a trust for the benefit of the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These options were awarded as compensation for services as director. The options vested in four equal quarterly installments on the last day of each calendar quarter during 2011. /s/Brian Leaf, Attorney-in-Fact 2020-10-26