CommonWealth REIT, formerly HRPT Properties Trust, is a real estate investment trust (REIT). The Company’s primary business is the ownership and operation of real estate, including office and industrial buildings and leased industrial land. As of December 31, 2010, the Company owned 481 properties. Its portfolio, exclusive of properties held for sale, includes 303 office properties with 33.6 million square feet, and 178 industrial and other properties with 30.4 million square feet. The Company’s 178 industrial and other properties include approximately 17.9 million square feet of leased industrial and commercial lands in Oahu, Hawaii. Also, 11 of its total properties with 1.8 million square feet are located in Australia. In February 2011, it sold an industrial property located in Adairsville, GA with approximately 101,000 square feet.
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