================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of Earliest Event Reported): May 16, 2006 (May 16, 2006) CRIMSON EXPLORATION INC. (Exact Name of Registrant as Specified in Charter) Delaware 1-12108 20-3037840 (State or Other Jurisdiction (Commission File Number) (IRS Employer of Incorporation) Identification No.) 480 N. Sam Houston Parkway E., Suite 300, Houston Texas 77060 (Address of Principal Executive Offices) (281) 820-1919 (Registrant's telephone number, including area code) -------------------------------------------------------------------------------- Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 14d-2(b)) [] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ================================================================================ Item 2.02 Results of Operations and Financial Conditions On May 15, 2006, Crimson Exploration Inc. issued a press release announcing (i) details of its 1st Quarter 2006 Financial Results and (ii) recent operational activity. The Company also announced that management will hold a conference call to discuss the information in the press release on Tuesday, May 16, 2006 at 9:30 a.m. CST. The press release is included in this report as Exhibit 99.1. The information contained in Exhibit 99.1 is incorporated herein by reference. The information in this Current Report is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended. Item 9.01 Financial Statements and Exhibits. (c) Exhibits Exhibit Number Description -------------- ----------- Exhibit 99.1 Press Release dated May 15, 2006 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized. CRIMSON EXPLORATION INC. Date: May 16, 2006 /s/ Allan D. Keel ------------------------------------- Allan D. Keel President and Chief Executive Officer Exhibit Index Exhibit Number Description -------------- ----------- Exhibit 99.1 Press Release dated May 15, 2006