X0304 4 2011-11-15 0 0001411861 MAKO Surgical Corp. MAKO 0001296771 Freund John Gordon 525 UNIVERSITY AVENUE PALO ALTO CA 94301 1 0 1 0 Common Stock 2011-11-15 4 J 0 500000 0 D 2245249 I By Skyline Venture Partners V, L.P. Common Stock 2011-11-17 4 J 0 7322 0 A 22702 I By Freund LP Represents a pro-rata in-kind distribution by Skyline Venture Partners V, L.P. ("SVP V") without consideration to its limited and general partners. Represents a pro-rata in-kind distribution from Skyline Venture Management V, LLC ("SVM V"), which previously received a pro-rata in-kind distribution from SVP V in connection with footnote (1). These shares are held by SVP V. SVM V is the sole general partner of SVP V, has sole voting and investment control over the shares owned by SVP V, and may be deemed to own beneficially the shares held by SVP V. John G. Freund ("Freund") is the sole Managing Director of SVM V and has voting and dispositive power over the shares held by SVP V. Freund disclaims beneficial ownership of the shares reported herein, except to the extent of his respective pecuniary interest therein. The shares are held by the John Freund Family Partnership IV, L.P. ("Freund LP"). The Reporting Person is the trustee and beneficiary of the The John G. Freund Revocable Trust u/a/d 6/26/01 which serves as the general partner of Freund LP. The Reporting Person disclaims beneficial ownership of the shares held by Freund LP except to the extent of his proportionate pecuniary interest therein. /s/ John G. Freund 2011-11-17