X0306 4 2017-06-08 0 0001169988 BOINGO WIRELESS INC WIFI 0001184213 BOESENBERG CHARLES C/O BOINGO WIRELESS INC. 10960 WILSHIRE BLVD 23RD FL LOS ANGELES CA 90024 1 0 0 0 Common Stock 2017-06-09 4 M 0 23250 0 A 112273 D Restricted Stock Units 2017-06-09 4 M 0 23250 0 D Common Stock 23250 0 D Restricted Stock Units 2017-06-08 4 A 0 11104 0 D Common Stock 11104 11104 D The shares acquired represent the vesting and automatic settlement of 23250 of the Reporting Person's restricted stock units on June 9, 2017 Each Restricted Stock Unit represents a contingent right to receive one share of Boingo Wireless, Inc. common stock Subject to continuing service, such RSUs shall vest in full upon the earliest of (i) June 13, 2017, (ii)a change in control of the Company, or (iii) the day immediately prior to the Company's first regular meeting of stockholders that occurs in 2017 Subject to continuing service, such RSUs shall vest in full upon the earliest of (i) June 8, 2018, (ii) a change in control of the Company, or (iii) the day immediately prior to the Company's first regular meeting of stockholders that occurs in 2018 /s/ Efren Medina as Attorney-in-Fact for Charles Boesenberg 2017-06-12