XTO Xto Energy, Inc.

FORT WORTH, Texas, Jan. 27 /PRNewswire-FirstCall/ -- In connection with its securities analysts meeting, XTO Energy Inc. (NYSE:XTO) announced today that the Company expects year-end 2005 proved reserves to exceed 7.5 trillion cubic feet of natural gas equivalent (Tcfe). These reserve volumes imply an all-in finding and development cost for the year, including acquisitions, of between $1.40 - $1.50 per thousand cubic feet of gas equivalent (Mcfe). Based on development expenditures of about $1.4 billion, the Company further expects its 2005 drill bit finding costs to range between $1.10 - $1.20 per Mcfe. Final proved reserves estimates, as prepared by Miller & Lents, Ltd., will be available by late February. XTO Energy Inc. is a domestic energy producer engaged in the acquisition, development and discovery of quality, long-lived oil and natural gas properties in the United States. Its properties are concentrated in Texas, New Mexico, Arkansas, Oklahoma, Kansas, Wyoming, Colorado, Alaska, Utah and Louisiana. This release can be found at http://www.xtoenergy.com/. Statements made in this press release, including those relating to proved reserves, finding and development costs, development expenditures and drill bit finding costs are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are based on assumptions and estimates that management believes are reasonable based on currently available information; however, management's assumptions and the Company=s future performance are subject to a wide range of business risks and uncertainties and there is no assurance that these goals and projections can or will be met. Any number of factors could cause actual results to differ materially from those in the forward-looking statements, including, but not limited to, the timing and extent of changes in oil and gas prices, changes in underlying demand for oil and gas, the timing and results of drilling activity, the timing of production, treatment and transportation facility installations, the availability of drilling equipment and technical personnel, curtailments by third-party pipelines, changes in interest rates and higher than expected production costs and other expenses. The Company undertakes no obligation to publicly update or revise any forward-looking statements. Further information on risks and uncertainties is available in the Company's filings with the Securities and Exchange Commission, which are incorporated by this reference as though fully set forth herein. DATASOURCE: XTO Energy Inc. CONTACT: Louis G. Baldwin, Executive Vice President & Chief Financial Officer, +1-817-870-2800, or Gary D. Simpson, Senior Vice President of Investor Relations & Finance, +1-817-870-2800, both of XTO Energy Inc. Web site: http://www.xtoenergy.com/

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