SEVENTH AMENDMENT TO

PURCHASE AND SALE AGREEMENT

THIS SEVENTH AMENDMENT TO PURCHASE AND SALE AGREEMENT (this “Seventh Amendment”)
is made and entered into as of February 22, 2007 by and between GREIT–ONE WORLD
TRADE CENTER, L.P., a California limited partnership (“Seller”), and LEGACY
PARTNERS REALTY FUND II, LLC, a Delaware limited liability company (“Buyer”).

RECITALS

A. Seller and Buyer have entered into that certain Purchase and Sale Agreement
dated as of August 17, 2006, as amended by that certain First Amendment to
Purchase and Sale Agreement dated as of September 21, 2006, that certain Second
Amendment to Purchase and Sale Agreement dated as of January 5, 2007, that
certain Third Amendment to Purchase and Sale Agreement dated as of January 19,
2007, that certain Fourth Amendment to Purchase and Sale Agreement dated as of
January 26, 2007, that certain Fifth Amendment to Purchase and Sale Agreement
dated as of January 31, 2007 and that certain Sixth Amendment to Purchase and
Sale Agreement dated as of February 15, 2007 (as amended, the “Purchase
Agreement”), with respect to that certain real property commonly known as One
World Trade Center, located in the County of Los Angeles, State of California,
and more particularly described in the Purchase Agreement.

B. The parties hereto desire to amend the Purchase Agreement to confirm certain
matters as set forth below.

AGREEMENT

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency
of which is hereby acknowledged, Seller and Buyer agree as follows:

1. Defined Terms. Initially capitalized terms used in this Seventh Amendment and
not otherwise defined in this Seventh Amendment shall have the meanings provided
for such terms in the Purchase Agreement.

2. Closing. Notwithstanding anything to the contrary in Section 7.2.1 of the
Purchase Agreement, Seller and Buyer agree that the outside date for Closing
shall be extended to February 28, 2007.

3. Miscellaneous. Except to the extent expressly modified by this Seventh
Amendment, the Purchase Agreement remains in full force and effect. To the
extent of any inconsistency between this Seventh Amendment and the Purchase
Agreement, the terms and conditions of this Seventh Amendment shall control.
This Seventh Amendment may be executed in multiple counterparts, all of which,
taken together, shall constitute one document. This Seventh Amendment shall be
deemed effective against a party upon receipt by the other party (or its
counsel) of a counterpart executed by facsimile.

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IN WITNESS WHEREOF, Seller and Buyer have executed this Seventh Amendment as of
the date referenced above.

SELLER:

GREIT–ONE WORLD TRADE CENTER, L.P.,

a California limited partnership

         
 
  By:
Its:   GREIT – One World Trade Center GP, LLC,
a California limited liability company
General Partner
 
       
 
      By:G REIT, L.P.,
a Virginia limited partnership,
Its:sole member
 
       
 
      By:G REIT, Inc.,
a Maryland corporation,
Its:General Partner
 
       
 
      By: /s/ Andrea R. Biller
 
       
 
      Name: Andrea R. Biller
 
       
 
      Title: Executive Vice President
 
       
 
       
BUYER:
 
 

 
         
   
 
        LEGACY PARTNERS REALTY FUND II, LLC,
   
 
        a Delaware limited liability company
   
 
        By:   Legacy Partners Investment Management Services, LLC

 
       
Its:
  a Delaware limited liability company
Managing Member  

 
       
 
  By:   /s/ Paul J. Meyer
 
       
 
  Name:   Paul J. Meyer
 
       
 
  Title:   Chief Financial Officer
 
       
 
       

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