X0306 4 2013-09-11 1 0001511737 Ubiquiti Networks, Inc. UBNT 0001486421 Summit Partners Private Equity Fund VII-A, L.P. 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 0 0 1 0 0001385242 Summit Partners Private Equity Fund VII B L P 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 0 0 1 0 0001494616 Summit Investors I (UK), L.P. 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 1 0 0001435565 Summit Investors I, LLC 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 1 0 Common Stock 2013-09-11 4 S 0 1300000 33 D 4764079 D Represents shares sold by the following entities: 809,635 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 486,280 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P., 3,734 shares of common stock sold by Summit Investors I, LLC and 351 shares of common stock sold by Summit Investors I (UK), L.P. Represents shares held by the following entities: 2,967,050 shares of common stock held by Summit Partners Private Equity Fund VII-A, L.P., 1,782,057 shares of common stock held by Summit Partners Private Equity Fund VII-B, L.P., 13,684 shares of common stock held by Summit Investors I, LLC and 1,288 shares of common stock held by Summit Investors I (UK), L.P. The entities mentioned in Footnotes 1 and 2 are collectively referred to as the "Summit Entities." Each of the Summit Entities disclaims beneficial ownership of all shares except those specifically listed in the Footnotes as held by such entity, except to the extent of each such entity's pecuniary interest therein. Summit Partners Private Equity Fund VII-A, L.P., by Summit Partners PE VII, L.P., its GP, by Summit Partners PE VII, LLC, its GP, by Summit Partners, L.P., its GP, by Summit Master Company, LLC, its GP, by Robin W. Devereux, POA for Joseph Trustey, Member 2013-09-13 Summit Partners Private Equity Fund VII-B, L.P., by Summit Partners PE VII, L.P., its GP, by Summit Partners PE VII, LLC, its GP, by Summit Partners, L.P., its GP, by Summit Master Company, LLC, its GP, by Robin W. Devereux, POA for Joseph Trustey, Member 2013-09-13 Summit Investors I (UK), L.P., by Summit Investors Management, LLC, its General Partner, by Summit Partners, L.P., its Managing Member, by Summit Master Company, its General Partner, by Robin W. Devereux, POA for Joseph F. Trustey, Member 2013-09-13 Summit Investors I, LLC, by Summit Investors Management, LLC, its Manager, by Summit Partners, L.P., its Managing Member, by Summit Master Company, LLC, its general partner, by Robin W. Devereux, POA for Joseph F. Trustey, Member 2013-09-13