|CubeSmart is a self-managed real estate company focused primarily on the ownership, operation, management, acquisition and development of self-storage facilities in the United States of America. As of December 31, 2012, the Company owned 381 self-storage facilities located in 22 states and in the District of Columbia. It owns, operates, develops, manages and acquires self-storage facilities. The Company owns all of its assets and conducts its operations through CubeSmart, L.P. (the Operating Partnership). The Company is the sole general partner of the Operating Partnership and, as of December 31, 2012, owned an approximately 97.6% interest in the Operating Partnership. As of December 31, 2012, the Company owned 381 and 370 facilities, respectively, that contained an aggregate of 25.5 million and 24.4 million rentable square feet with occupancy rates of 84.4% and 78.4%, respectively.