Boston  Properties, Inc., a self-administered and  self-managed real estate  investment trust (REIT), is one of the largest owners,  managers and developers of  first-class office properties in the United States, with  a significant presence in four core markets: Boston, W ashington, D.C., Midtown  Manhattan and  San  Francisco. Boston Properties was founded in 1970 in Boston, where it maintains its  headquarters. The Company acquires, develops and  manages its properties thr ough full-service regional offices in Boston, New York  City , Washington, D.C., San  Francisco and Princeton, New Jersey. Its property  portfolio primarily comprises  first-class office space and  also includes hotels and  industrial buildings. Boston  Properties is  traded on the New York Stock Exchange  under the symbol BXP. 1