X0306 4 2013-06-04 0 0001511737 Ubiquiti Networks, Inc. UBNT 0000830588 SUMMIT PARTNERS L P 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 0 0 0 1 Manager of GP of 10% Owner 0001507545 Summit Investors Management, LLC 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 0 1 Manager of GP of 10% Owner 0001486419 Summit Partners PE VII, LLC 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 0 0 0 1 Indirect GP of 10% Owner 0001486418 Summit Partners PE VII, L.P. 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 0 0 0 1 GP of 10% Owner 0001018067 MANNION MARTIN J C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 0 1 Manager of GP of 10% owner 0001018062 EVANS BRUCE R C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 0 1 Manager of GP of 10% owner Common Stock 2013-06-04 4 S 0 6000000 16.00 D 9095543 I See Remarks. Represents shares sold by the following entities: 3,736,775 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 2,244,368 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P., 17,235 shares of common stock sold by Summit Investors I, LLC and 1,622 shares of common stock sold by Summit Investors I (UK), L.P. Represents shares held by the following entities: 5,664,668 shares of common stock held by Summit Partners Private Equity Fund VII-A, L.P., 3,402,290 shares of common stock held by Summit Partners Private Equity Fund VII-B, L.P., 26,126 shares of common stock held by Summit Investors I, LLC and 2,459 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." Summit Partners, L.P. is (i) the managing member of Summit Partners PE VII, LLC, which is the general partner of Summit Partners PE VII, L.P., which is the general partner of Summit Partners Private Equity Fund VII-A, L.P. and Summit Partners Private Equity Fund VII-B, L.P., and (ii) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC, and the general partner of Summit Investors I (UK), L.P. Summit Partners, L.P., through its Investment Committee, composed of Martin J. Mannion and Bruce R. Evans, has voting and dispositive authority over the shares held by each of these entities and therefore may beneficially own such shares. Mr. Mannion and Mr. Evans, as members of the two-person investment committee, have voting and dispositive authority over the shares held by the Summit Entities, and therefore may beneficially own the shares. Each of the Summit Entities, Mr. Mannion and Mr. Evans disclaim beneficial ownership of the shares, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the shares for the purposes of Section 16 or for any other purpose, except, in each case, to the extent of each such Reporting Person's pecuniary interest therein. Summit Partners, L.P., by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, POA for Joseph F. Trustey, Member 2013-06-06 Summit Investors Management, LLC, by Summit Partners, L.P., its Managing Member, by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, POA for Joseph Trustey, Member 2013-06-06 Summit Partners PE VII, LLC, by Summit Partners, L.P., its Manager, by Summit Master Company, LLC, its General Parnter, by Robin W. Devereux, POA for Joseph Trustey, Member 2013-06-06 Summit Partners PE VII, L.P., by Summit Partners PE VII, LLC, its General Partner, by Summit Partners, L.P., its Manager, by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, POA for Joseph Trustey, Member 2013-06-06 Robin W. Devereux, POA for Martin J. Mannion 2013-06-06 Robin W. Devereux, POA for Bruce R. Evans 2013-06-06