X0306 4 2015-04-21 0 0001340127 Carbonite Inc CARB 0001623950 HUDSON CASSANDRA C/O CARBONITE, INC. TWO AVENUE DE LAFAYETTE BOSTON MA 02111 0 1 0 0 Chief Accounting Officer Common Stock 2015-04-21 4 A 0 3568 0.00 A 19699 D Reflects the grant of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units vest in one installment on April 21, 2016 and will be settled in shares of the issuer's common stock. Includes 19,699 shares of common stock subject to restricted stock units. /s/ Danielle Sheer, by power of attorney 2015-04-23