Exhibit 99.3

LOGO

2008 Development Summary

as of June 30, 2008

($'s in thousands)

 

Property and

Location

   

Total Rentable

Square Feet

    Anticipated
Total
Cash Cost		    Cash
Cost to
Date		     Anticipated
Construction
Completion Date

Development

           

Dulles Station, Phase II

    360,000 sq ft office    TBD    $ 25,797 1   TBD

Herndon, VA

           
                  
   Total    TBD    $ 25,797    
                  

1 Dulles Station Phase II cost includes land costs of $16.1M and an allocation of the shared parking garage structure of $7.2M.