Exhibit 4

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him, her or it contained herein, but shall not be responsible for the completeness and accuracy of the information concerning the other entities or persons, except to the extent that he, she or it knows or has reason to believe that such information is inaccurate.

Dated as of December 31, 2012

[Signature Pages Follow]

HOTSPURS HOLDINGS LLC
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND X (MASTER), L.P.
By:	The Värde Fund X (GP), L.P., Its General Partner
By:	The Värde Fund X GP, LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND X (GP), L.P.
By:	The Värde Fund X GP, LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND X GP, LLC
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND V-B, L.P.
By:	Värde Fund V GP, LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE FUND V GP, LLC
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel

THE VÄRDE FUND VI-A, L.P.
By:	Värde Investment Partners G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND VII-B, L.P.
By:	Värde Investment Partners G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE INVESTMENT PARTNERS, L.P.
By:	Värde Investment Partners G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE INVESTMENT PARTNERS (OFFSHORE) MASTER, L.P.
By:	Värde Investment Partners G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE INVESTMENT PARTNERS G.P., LLC
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel

THE VÄRDE FUND VIII, L.P.
By:	Värde Fund VIII G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE FUND VIII G.P., LLC
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND IX, L.P.
By:	Värde Fund IX G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
THE VÄRDE FUND IX-A, L.P.
By:	Värde Fund IX G.P., LLC, Its General Partner
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE FUND IX G.P., LLC
By:	Värde Partners, L.P., Its Managing Member
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel
VÄRDE PARTNERS, L.P.
By:	Värde Partners, Inc., Its General Partner
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel

VÄRDE PARTNERS, INC.
By:	/s/ David A. Marple
Name:	David A. Marple
Title:	General Counsel