X0306 4 2012-08-03 0 0001411861 MAKO Surgical Corp. MAKO 0001213215 FEDERICO CHARLES 19435 PENINSULA SHORES DRIVE CORNELIUS NC 28031 1 0 0 0 Common Stock 2012-08-03 4 P 0 2000 12.9488 A 12000 D The price in column 4 is a weighted average price per share. The shares were purchased in multiple transactions at prices ranging from $12.945 to $12.96 per share. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range. /s/ Menashe R. Frank, attorney in fact 2012-08-06