Oaktree Capital Group Holdings GP SC 13D/A Contango Oil & Gas Co

EXHIBIT 1

JOINT FILING AGREEMENT

Pursuant to Rule 13(d)-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, each of the undersigned acknowledges and agrees that the foregoing statement on Schedule 13D is filed on behalf of the undersigned and that all subsequent amendments to this statement on Schedule 13D (including this Amendment No. 1)shall be filed on behalf of the undersigned without the necessity of filing additional joint acquisition statements.  Each of the undersigned acknowledges that it shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Dated as of January 31, 2014.

OCM GW HOLDINGS, LLC
By:	OCM Principal Opportunities Fund III, L.P.
Its:	Managing Member
By:	OCM Principal Opportunities Fund III GP, L.P.
Its:	General Partner
By:	Oaktree Fund GP I, L.P.
Its:	General Partner
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Authorized Signatory
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Authorized Signatory

OCM PRINCIPAL OPPORTUNITIES FUND III, L.P.
By:	OCM Principal Opportunities Fund III GP, L.P.
Its:	General Partner
By:	Oaktree Fund GP I, L.P.
Its:	General Partner
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Authorized Signatory
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Authorized Signatory
OCM PRINCIPAL OPPORTUNITIES FUND III GP, L.P.
By:	Oaktree Fund GP I, L.P.
Its:	General Partner
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Authorized Signatory
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Authorized Signatory

2

OAKTREE FUND GP I, L.P.
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Authorized Signatory
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Authorized Signatory
OAKTREE CAPITAL I, L.P.
By:	OCM Holdings I, LLC
Its:	General Partner
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director and Assistant Secretary
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Senior Vice President
OCM HOLDINGS I, LLC
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Senior Vice President

3

OAKTREE HOLDINGS, LLC
By:	Oaktree Capital Group, LLC
Its:	Managing Member
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Senior Vice President
OAKTREE CAPITAL GROUP, LLC
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Senior Vice President
OAKTREE CAPITAL GROUP HOLDINGS GP, LLC
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Senior Vice President

4

OCM CRIMSON HOLDINGS, LLC
By:	OCM Principal Opportunities Fund IV, L.P.
Its:	Managing Member
By:	OCM Principal Opportunities Fund IV GP, L.P.
Its:	General Partner
By:	OCM Principal Opportunities Fund IV GP Ltd.
Its:	General Partner
By:	Oaktree Capital Management, L.P.
Its:	Director
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Managing Director
OCM PRINCIPAL OPPORTUNITIES FUND IV, L.P.
By:	OCM Principal Opportunities Fund IV GP, L.P.
Its:	General Partner
By:	OCM Principal Opportunities Fund IV GP Ltd.
Its:	General Partner
By:	Oaktree Capital Management, L.P.
Its:	Director
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Managing Director

5

OCM PRINCIPAL OPPORTUNITIES FUND IV GP, L.P.
By:	OCM Principal Opportunities Fund IV GP Ltd.
Its:	General Partner
By:	Oaktree Capital Management, L.P.
Its:	Director
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Managing Director
OCM PRINCIPAL OPPORTUNITIES FUND IV GP LTD.
By:	Oaktree Capital Management, L.P.
Its:	Director
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Managing Director
OAKTREE CAPITAL MANAGEMENT, L.P.
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Managing Director

6

OAKTREE HOLDINGS, INC.
By:	/s/ Lisa Arakaki
Name:	Lisa Arakaki
Title:	Managing Director and Assistant Secretary
By:	/s/ Martin Boskovich
Name:	Martin Boskovich
Title:	Senior Vice President

7