ASSIGNMENT OF PURCHASE AGREEMENT

Exhibit 10.20

ASSIGNMENT OF PURCHASE AGREEMENT

This Assignment of Purchase Agreement (the “Assignment”), made this 4th day of May, 2011, by and between XXXXX CORE OFFICE INCOME REIT ADVISORY SERVICES, LLC, a Georgia limited liability company (“Assignor”), and XXXXX CORE REIT – MIRAMAR CENTRE II, LLC, a Delaware limited liability company (“Assignee”).

W I T N E S S E T H:

WHEREAS, Assignor, as Purchaser therein, entered into that certain Purchase Agreement dated April 25, 2011 (the “Agreement”), for the sale of certain real property located in Ft. Lauderdale, Florida known generally as Miramar Centre II; and

WHEREAS, Assignor desires to assign its right, title, and interest in the Agreement to Assignee;

NOW, THEREFORE, for and in consideration of the mutual covenants contained herein, One Dollar ($1.00) in hand paid and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the undersigned hereby agree as follows:

1.        Assignor hereby transfers to Assignee, and Assignee hereby agrees to assume and be bound by, all right, title, interest, covenants, obligations, representations and warranties of the Purchaser under the Agreement.

2.        This Assignment may be executed in any number of counterparts, all of which taken together shall constitute one and the same agreement. Further, a facsimile signature of either Assignor or Assignee on any counterpart may be relied upon as an original signature.

[SIGNATURES CONTAINED ON FOLLOWING PAGE]

IN WITNESS WHEREOF, this Assignment has been executed by Assignor and Assignee as of (but not necessarily on) the day and year first above written.

“ASSIGNOR”						“ASSIGNEE”
XXXXX CORE OFFICE INCOME REIT ADVISORY SERVICES, LLC, a Georgia limited liability company						XXXXX CORE REIT – MIRAMAR CENTRE II, LLC, a Delaware limited liability company
By:          /s/ Authorized Signatory						By:		Xxxxx Core Office Income Operating
Name:     Xxxxxxx X. Xxxxxxxx								Partnership, L.P., a Delaware limited
Title:       Senior Vice President								partnership, its sole member
								By:        Xxxxx Core Office Income
								REIT, Inc., a Maryland corporation, its sole general partner
										By:    /s/ Xxxxxxx X. Xxxxxxxx
										Name:    Xxxxxxx X. Xxxxxxxx
										Title:  Executive Vice President