X0306 4 2013-06-13 0 0001511737 Ubiquiti Networks, Inc. UBNT 0001239366 CHUNG PETER Y C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 1 0 0 1 Indirect GP of 10% Owner Common Stock 2013-06-13 4 S 0 531464 16.00 D 8564079 I See Remarks. Represents shares sold by the following entities: 330,993 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 198,800 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P., 1,527 shares of common stock sold by Summit Investors I, LLC and 144 shares of common stock sold by Summit Investors I (UK), L.P. Represents shares held by the following entities: 5,333,675 shares of common stock held by Summit Partners Private Equity Fund VII-A, L.P., 3,203,490 shares of common stock held by Summit Partners Private Equity Fund VII-B, L.P., 24,599 shares of common stock held by Summit Investors I, LLC and 2,315 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. Mr. Chung is a member of the general partner of Summit Partners, L.P. Mr. Chung disclaims beneficial ownership of shares held by the Summit Entities, and this report shall not be deemed an admission that Mr. Chung is the beneficial owner of the shares for the purpose of Section 16 or for any other purpose, except, in each case, to the extent of Mr. Chung's pecuniary interest therein. Robin W. Devereux, Power of Attorney for Peter Y. Chung 2013-06-17