X0203 3 2011-05-03 0 0001169988 BOINGO WIRELESS INC WIFI 0001132326 NEW ENTERPRISE ASSOCIATES 10 L P 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001236049 NEA PARTNERS 10 L P 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001005561 BARRIS PETER J 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001219855 BARRETT M JAMES 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001005550 KRAMLICH C RICHARD 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001005544 NEWHALL CHARLES W III 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001062466 PERRY MARK W 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001237289 SANDELL SCOTT D 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 Common Stock 6432960 D The securities are directly held by New Enterprise Associates 10, Limited Partnership ("NEA 10") and indirectly held by NEA Partners 10, Limited Partnership ("NEA Partners 10"), the sole general partner of NEA 10, and the individual general partners of NEA Partners 10 (NEA Partners 10 and the individual general partners, together, the "Indirect Reporting Persons"). The individual general partners of NEA Partners 10 are Peter Barris, M.James Barrett, C. Richard Kramlich, Charles W. Newhall, Mark W. Perry and Scott D. Sandell. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of the securities fo the Issuer held by NEA 10, except of such Indirect Reporting Persons's pecuniary interest theirein. /s/ Shawn Conway, attorney-in-fact 2011-05-03