Boston Properties, Inc. is an integrated self-administered and self-managed real estate investment trust (REIT), and the owner and developer of office properties in the United States. The Company’s properties are concentrated in five markets: Boston, Washington, D.C., midtown Manhattan, San Francisco and Princeton, New Jersey. The Company conducts all of its business through its subsidiary, Boston Properties Limited Partnership (BPLP). As of December 31, 2008, the Company owned or had interests in 147 properties, totaling approximately 49.8 million net rentable square feet and structured parking for vehicles containing approximately 11.2 million square feet. The Company’s properties consisted of 143 office properties comprising 123 Class A office properties (including 10 properties under construction) and 20 office/technical properties, one hotel and three retail properties.