On the cover: (clockwise from top) Embarcadero Center, San Francisco, CA; Citigroup Center, New York, NY;  5 Times Square, New York, NY; One Freedom Square, Reston, VA; and 111 Huntington Avenue at the Prudential Center, Boston, MA. On the facing page: (clockwise from top) One Cambridge Center, Cambridge, MA; Market Square North, Washington, DC; Embarcadero Center, San Francisco, CA; and 875 Third Avenue, New York, NY. Contents Company Description ● 1 Letter to Shareholders ● 2 Property Portfolio ● 10  Directors and Officers ● 12 Form 10-K ● 13  Corporate Information ● Back Cover  This Annual Report contains “forward-looking statements” within the meaning of the federal securities laws.  See the discussion under “Forward-Looking Statements” in this report for matters to be considered in this regard.