The Company .  We are a real estate investment trust, or REIT, formed in 1986 under the laws of the State of Maryland.  Our primary business is the ownership and operation of real estate, including office and industrial buildings and leased industrial land.  For a discussion and information regarding our operating segments see our financial statements beginning on page F-1.

As of December 31, 2006, we owned 504 properties for a total investment of $5.8 billion at cost, and a depreciated book value of $5.1 billion.  Our portfolio includes 351 office properties with 34.3 million square feet of space and 153 industrial properties with 25.6...