X0306 4 2016-11-08 0 0001537054 Gogo Inc. GOGO 0001039520 MUNDHEIM ROBERT H 111 N. CANAL STREET, STE 1500 CHICAGO IL 60606 1 0 0 0 Common Stock 2016-11-08 4 P 0 5000 9.6252 A 94244 D Common Stock 2016-11-09 4 P 0 5000 9.0566 A 99244 D Common Stock 2016-11-08 4 P 0 5000 9.5852 A 6500 I By Wife The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.55 to $9.68, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Reflects receipt of shares in connection with a pro rata distribution from Blumenstein/Thorne Aircell Partners, LP, of which the reporting person was a limited partner, exempt under Rule 16a-9. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.05 to $9.07, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.57 to $9.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. /s/ Margee Elias, Attorney-in-Fact for Robert H. Mundheim 2016-11-10