Crimson Exploration Inc. (NasdaqGM:CXPO) today announced it expects to issue its second quarter 2013 earnings press release after market close on Wednesday, August 7, 2013. In conjunction with the release, Crimson will conduct a conference call to discuss contents of that release on Thursday, August 8, 2013 at 10:30am Central Daylight Time.

Those interested in participating in the earnings conference call may do so by calling the following phone number: 800-723-6575, (International 785-830-1997) and entering the following participation code 7789867. A replay of the call will be available from Thursday, August 8, 2013 at 1:30pm CDT through Thursday, August 15, 2013 at 1:30pm CDT by dialing toll free 888-203-1112, (International 719-457-0820) and asking for replay ID code 7789867.

Crimson Exploration is a Houston, Texas-based independent energy company engaged in the exploitation, exploration, development and acquisition of crude oil and natural gas, primarily in the onshore Gulf Coast regions of the United States. Additional information on Crimson Exploration Inc. is available on the Company's website at http://crimsonexploration.com.

Crimson Exploration Inc.
E. Joseph Grady, 713-236-7400
Senior Vice President and Chief Financial Officer