Boingo Wireless Inc – SEE REVERSE FOR CERTAIN DEFINITIONS BOINGO WIRELESS, INC. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF $0.0001 PAR VALUE EACH OF BOINGO WIRELESS, INC. transferable on the books of the Corporation in person or by attorney upon surrender of this certificate duly endorsed or assigned. This certificate and the shares represented hereby ae subject to the laws of the State of Delaware, and to the Certificate of Incorporation and Bylaws of the Corporation, as now or hereafter amended. This certificate is not valid until countersigned by (September 11th, 2015)