About Monarch Natural Gas LLCMonarch Natural Gas LLC, with offices in Austin, Dallas, TX, Denver, CO, and Houston, TX is a private energy company focused on making investments in the midstream sector including gathering, processing, treating, transportation, storage and marketing of natural gas, natural gas liquids (NGLs), oil and related hydrocarbons. The principals of Monarch have worked together since the early 1990s in a number of operating companies the experience from which it will draw upon to identify, execute, provide strategic direction to and if needed operate new investments in midstream companies and assets. Monarch's management team will be responsible for sourcing and executing investments in acquisitions and development projects, in which their experience and knowledge will provide strategic guidance and will, where necessary, take charge of day-to-day operations. Contact for Monarch Natural Gas LLC: Greg Sales, 512-215-2192 About Metalmark Capital Metalmark Capital is a leading private equity firm whose principals have a long track record of successful investing in targeted sectors, with particular focus and competence in energy and natural resources, industrials and healthcare. Metalmark Capital seeks to build long-term value through active and supportive partnerships with the companies and management teams in which they invest. Metalmark Capital is an investment center of Citi Capital Advisors. For more information, please visit www.metalmarkcapital.com. This press release does not constitute an offering of interests in any fund or partnership managed by Metalmark Capital. If and when an investment opportunity is structured, all investors must obtain and carefully read the related confidential offering memorandum and any amendments or supplements thereto. Forward-looking Statements Certain statements set forth in this press release relate to management's future plans, objectives and expectations. Such statements are forwardlooking within the meanings of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical facts included in this press release, including, without limitation, statements regarding Gasco's future financial position, potential resources, business strategy, budgets, projected costs and plans and objectives of management for future operations, are forward-looking statements. In addition, forwardlooking statements generally can be identified by the use of forward-looking terminology such as "may," "will," "expect," "intend," "project," "estimate," "anticipate," "believe," or "continue" or the negative thereof or similar terminology. Although any forward-looking statements contained in this press release are to the knowledge or in the judgment of the officers and directors of Gasco, believed to be reasonable, there can be no assurances that any of these expectations will prove correct or that any of the actions that are planned will be taken. Forward-looking statements involve known and unknown risks and uncertainties that may cause Gasco's actual performance and financial results in future periods to differ materially from any projection, estimate or forecasted result. Some of the key factors that may cause actual results to vary from those Gasco expects include inherent uncertainties in interpreting engineering and reserve or production data; operating hazards; delays or cancellations of drilling operations because of weather and other natural and economic forces; fluctuations in oil and natural gas prices in response to changes in supply; competition from other companies with greater resources; environmental and other government regulations; defects in title to properties; increases in the Company's cost of borrowing or inability or unavailability of capital resources to fund capital expenditures; fluctuations in natural gas and oil prices; pipeline constraints; overall demand for natural gas and oil in the United States; changes in general economic conditions in the United States; the Company's ability to manage interest rate and commodity price exposure; changes in the Company's borrowing arrangements; the condition of credit and capital markets in the United States; and other risks described under "Risk Factors" in Item 1 of the Company's Annual Report on Form 10-K for the year ended December 31, 2008 filed with the SEC on March 4, 2009 and under "Risk Factors" in Item 1A of the Company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2009 filed with the SEC on August 4, 2009. Any of these factors could cause our actual results to differ materially from the results implied by these or any other forward-looking statements made by us or on our behalf. We cannot assure you that our future results will meet our expectations. When you consider these forward-looking statements, you should keep in mind these factors. All subsequent written and oral forward-looking statements attributable to the Company, or persons acting on its behalf, are expressly qualified in their entirety by these factors. Our forward-looking statements speak only as of the date made. The Company assumes no duty to update or revise its forward-looking statements based on changes in internal estimates or expectations or otherwise. SOURCE Gasco Energy, Inc.