Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
OCM GW Holdings, LLC
  2. Issuer Name and Ticker or Trading Symbol
CRIMSON EXPLORATION INC. [CXPO]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
333 SOUTH GRAND AVENUE, 28TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
12/16/2009
(Street)

LOS ANGELES, CA 90071
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series G Convertible Preferred Stock $ 5 (1) 12/16/2009   A(1)   76,710   02/28/2005 04/30/2010 Common Stock 11,230,619 (1) 76,710 D (2) (3) (4) (5) (6)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
OCM GW Holdings, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
OCM PRINCIPAL OPPORTUNITIES FUND III L P
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
OCM Principal Opportunities Fund III GP, L.P.
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
OAKTREE FUND GP I, L.P.
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
Oaktree Capital I, L.P.
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
OCM HOLDINGS I, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
OAKTREE HOLDINGS, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
Oaktree Capital Group, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
Oaktree Capital Group Holdings, L.P.
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    
Oaktree Capital Group Holdings GP, LLC
333 SOUTH GRAND AVENUE, 28TH FLOOR
LOS ANGELES, CA 90071
  X   X    

Signatures

 See Signatures included in Exhibit 99.1   12/18/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Series G Convertible Preferred Stock is automatically convertible into the Company's Common Stock in connection with the consummation of a registered underwritten offering of the Company's Common Stock on or before April 30, 2010, at the lower of $9.00 or at the price the shares of Common Stock are sold to the public in the registered underwritten offering. On December 16, 2009, the Company priced a registered underwritten public offering of shares of its common stock at the price of $5.00 per share to the public. The 76,710 shares of Series G Preferred Stock are convertible into approximately 11,230,619 shares of Common Stock based on accrued dividends and a conversion date of December 2009.
(2) OCM GW Holdings, LLC ("OCM GW") directly owns 76,700 shares of Series G Convertible Preferred Stock. OCM Crimson Holdings, LLC ("OCM Crimson") directly owns 10 shares of Series G Convertible Preferred Stock. This Form 4 is also being filed by: (i) OCM Principal Opportunities Fund III, L.P. ("POF III"), in its capacity as the managing member of OCM GW and, therefore, has investment and voting control over the shares held by OCM GW; (ii) OCM Principal Opportunities Fund III GP, L.P. ("POF III GP"), in its capacity as the general partner of POF III, (iii) Oaktree Fund GP I, L.P. ("GP I"), in its capacity as the managing member of POF III GP and sole shareholder of Crimson GP (defined below); (iv) Oaktree Capital I, L.P. ("Capital I"), in its capacity as the general partner of GP I;
(3) (v) OCM Holdings I, LLC ("Holdings I"), in its capacity as the general partner of Capital I; (vi) OCM Principal Opportunities Fund IV, L.P. (the "Oaktree Crimson Fund"), in its capacity as the managing member of OCM Crimson and, therefore, has investment and voting control over the shares held by OCM Crimson; (vii) OCM Principal Opportunities Fund IV GP, L.P. (the "Crimson Fund GP"), in its capacity as the general partner of the Oaktree Crimson Fund; and (viii) OCM Principal Opportunities Fund IV GP, Ltd. ("Crimson GP"), in its capacity as the general partner of the Crimson Fund GP.
(4) This Form 4 is also being filed by: (i) Oaktree Holdings, LLC ("Holdings"), in its capacity as the managing member of Holdings I; (ii) Oaktree Capital Group, LLC ("OCG"), in its capacity as the managing member of Holdings; (iii) Oaktree Capital Group Holdings, L.P. ("OCGH"), in its capacity as the holder of a majority of the voting units of OCG; and (iv) Oaktree Capital Group Holdings GP, LLC ("OCGH GP," and together with OCM GW, OCM Crimson, POF III, POF III GP, GP I, Capital I, Holdings I, Oaktree Crimson Fund, Crimson Fund GP, Crimson GP, Holdings, OCG and OCGH, each a "Reporting Person" and collectively, the "Reporting Persons") in its capacity as the general partner of OCGH. Information with respect to each Reporting Person is given solely by such Reporting Person, and no such Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.
(5) Each Reporting Person disclaims beneficial ownership of all shares reported herein except to the extent of their respective pecuniary interest therein and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any shares covered by this Form 4.
(6) OCGH GP is a limited liability company managed by an executive committee, the members of which are Howard S. Marks, Bruce A. Karsh, John B. Frank, David M. Kirchheimer, Sheldon M. Stone, Larry W. Keele, Stephen A. Kaplan and Kevin L. Clayton (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities reported herein. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.
 
Remarks:
***This Form 4 is being filed in two parts due to the large number of reporting persons. This filing is filed by the following Reporting
Persons:  OCM GW, POF III, POF III GP, GP I, Capital I, Holdings I, Holdings, OCG, OCGH and OCGH GP. An accompanying filing is
filed, on the date hereof, by the following Reporting Persons:  OCM Crimson, Oaktree Crimson Fund, Crimson Fund GP and Crimson GP. Both
filings relate to the same series of transactions described above.

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