X0305 4 2012-03-23 0 0001340127 Carbonite Inc CARB 0001526348 KUMARESAN SWAMI C/O CARBONITE, INC. 177 HUNTINGTON AVENUE BOSTON MA 02115 0 1 0 0 EVP, Sales and Marketing Common Stock 2012-03-23 4 S 0 25000 10.00 D 63268 D Common Stock 21309 I By Spouse The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 6, 2011. The reporting person disclaims beneficial ownership of these securities and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose. /s/ Danielle Sheer, by power of attorney 2012-03-26