X0306 4 2019-08-21 0 0001537054 Gogo Inc. GOGO 0001579494 TOWNSEND CHARLES C 111 N. CANAL STREET, STE 1500 CHICAGO IL 60606 1 0 0 0 Common Stock 2019-08-21 4 P 0 58691 3.9298 A 1212958 I By Trust Common Stock 2019-08-22 4 P 0 6960 3.9993 A 1219918 I By Trust Common Stock 2120344 I By LLC The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.88 to $4.00, 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 shares held by the Charles C. Townsend III Trust. Mr Townsend, as a co-trustee of the foregoing trust, may be deemed to have beneficial ownership of the shares held by the trust. Mr. Townsend disclaims beneficial ownership of such shares 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 shares for purposes of Section 16 or for any other purpose. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.99 to $4.00, inclusive. The reported 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. Shares are held directly by PAC LLC. /s/ Margee Elias, Attorney-in-Fact for Charles C. Townsend 2019-08-23