X0306 4 2016-09-02 0 0001537054 Gogo Inc. GOGO 0001135089 THORNE OAKLEIGH 111 N. CANAL STREET CHICAGO IL 60606 1 0 1 0 0001455402 Thorndale Farm LLC 63 FRONT STREET MILLBROOK NY 12545 0 0 1 0 3.75% Senior Convertible Notes due 2020 23.85 2016-09-02 4 P 0 100000.00 77850.00 A 2020-03-01 Common Stock 4192 100000.00 I See Footnote The 3.75% senior convertible notes due 2020 become convertible on December 1, 2019 or earlier upon certain events. The 3.75% senior convertible notes due 2020 are convertible into common stock at a conversion price equal to $23.85 per share of the issuer's common stock, subject to adjustment in certain events. Represents the aggregate purchase price for the 3.75% senior convertible notes due 2020. Reflects 3.75% senior convertible notes due 2020 held by Option 1, LLC. Mr. Thorne is the managing member and Mr. Thorne's spouse is the majority member. Mr. Thorne, as the managing member of Option 1, LLC and the spouse of the majority member of Option 1, LLC may be deemed to have beneficial ownership of the 3.75% senior convertible notes due 2020 held by Option 1, LLC. Mr. Thorne disclaims beneficial ownership of such 3.75% senior convertible notes due 2020 except to the extent of any pecuniary interest therein and this report shall not be deemed an admission that he is the beneficial owner of such 3.75% senior convertible notes due 2020 for purposes of Section 16 or for any other purpose. /s/ Oakleigh Thorne 2016-09-07 Thorndale Farm, L.L.C., By: /s/ Oakleigh Thorne, Chief Executive Officer 2016-09-07