ENSCO International Updates Contract Status of Offshore Rig Fleet

Business Wire, Dec 17, 2007

DALLAS -- ENSCO International Incorporated (NYSE:ESV) announced today that its Contract Status of Offshore Rig Fleet Report has been updated as of December 17, 2007.

The Report is available on the Company's website at http://www.enscous.com and can be accessed from the home page by clicking on "Rig Contract Status." The Report also can be accessed through the SEC EDGAR System. The Company updates and files the Report with the SEC on Form 8-K on or about the 15th of each month.

Statements contained in the Contract Status of Offshore Rig Fleet Report, including information regarding the Company's estimated rig availability, contract duration or future day rates, customers or contract status (including letters of intent) are forward-looking statements. The forward-looking statements are made pursuant to safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include references to estimated rig availability, future day rates, customers, contract duration or rig utilization. It is important to note that our actual results could differ materially from those projected in such forward-looking statements. The factors that could cause actual results to differ materially from those in the forward-looking statements include the following: (i) industry conditions and competition, including changes in rig supply and demand or new technology, (ii) cyclical nature of the industry, (iii) worldwide expenditures for oil and gas drilling, (iv) operational risks, including hazards created by severe storms and hurricanes, (v) risks associated with offshore rig operations or, rig relocations in general, and in foreign jurisdictions in particular, (vi) renegotiation, nullification, or breach of contracts or letters of intent with customers or other parties, (vii) changes in the dates our rigs undergoing shipyard construction work, repairs or enhancement will enter a shipyard, return to or enter service, (viii) risks inherent to domestic and foreign shipyard rig construction, rig repair or rig enhancement, (ix) unavailability of transport vessels to relocate rigs, (x) environmental or other liabilities, risks, or losses including hurricane related equipment damage, loss or wreckage or debris removal in the U.S. Gulf of Mexico, that may arise in the future which are not covered by insurance or indemnity in whole or in part, (xi) the impact of current and future laws and government regulation affecting the oil and gas industry in general including taxation, our operations in particular, as well as repeal or modification of same, (xii) political and economic uncertainty, (xiii) limited availability of economic insurance coverage for certain perils such as hurricanes in the Gulf of Mexico or removal of wreckage or debris, (xiv) self-imposed or regulatory limitations on jackup rig drilling locations in the Gulf of Mexico during hurricane season, (xv) our availability to attract and retain skilled or other personnel, (xvi) excess rig availability or supply resulting from delivery of new drilling units, (xvii) heavy concentration of our rig fleet in premium jackups, (xviii) terrorism or military action impacting our operations or financial performance, and (xix) other risks described from time to time as Risk Factors and otherwise in the Company's SEC filings. Copies of such SEC filings may be obtained at no charge by contacting our investor relations department at 214-397-3045 or by referring to the investor relations section of our website at http://www.enscous.com.

Information in the Reports is as of the date posted. The Company undertakes no duty to update the contents of the Contract Status of Offshore Rig Fleet Reports or any forward-looking statement contained therein to conform the statement to actual results or to reflect changes in the Company's expectations.

ENSCO, headquartered in Dallas, Texas, owns and operates a modern fleet of offshore drilling rigs servicing the petroleum industry on a global basis.