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Hitt og þetta 13. júlí 2006

OCR - Repurchase of own shares

Stavanger, Norway

On July 12, 2006, the company bought 300,000 Ocean Rig shares at an average price of NOK 44.2234 per share. After this repurchase, the company owns 3,846,200 Ocean Rig shares.

Ocean Rig owns and operates two of the world's largest and most modern drilling rigs, built for ultra deep waters and extreme weather conditions. The units are currently operating offshore Angola and Norway.

NOTE: This press release contains forward-looking statements (within the meaning of Section 27A of the United States Securities Act of 1933, as amended, and Section 21E of the United States Securities Exchange Act of 1934, as amended) which reflect the Company's current views with respect to certain future events and financial performance. Actual events or results may differ materially from those projected or implied in such forward-looking statements. The following important factors, among other, could cause actual results to differ materially from those projected or implied in any forward-looking statements: (i) the limited operations and operating history of the Company; (ii) the failure of the Bingo 9000 design to perform satisfactorily or the Company's failure to adequately protect the proprietary nature of the Bingo 9000 design; (iii) the Company's significant leverage or inability to generate sufficient cash-flow to meet its debt service requirements; (iv) the Company's inability to meet any future capital requirements; (v) the Company's inability to respond to technological changes; (vi) the impact of changed conditions in the oil and gas industry; (vii) the occurrence of any accidents involving the Company or its assets; (viii) changes in governmental regulations, particularly with respect to environmental matters; (ix) increased competition or the entry of new competitors into the Company's markets; and (x) unforeseen occurrences in any of the areas in which the Company may conduct its operations, such as war, expropriation, nationalization, renegotiation or nullification of existing licenses or treaties, taxation and resource development policies, foreign exchange restrictions, changing political conditions and other risks relating to foreign governmental sovereignty over certain areas in which the Company will conduct operations. Due to such uncertainties and risks, investors are cautioned not to place undue reliance upon such forward-looking statements. Reference should be made to the Company's filings with the United States Securities and Exchange Commission.

For further information, please contact Executive Chairman, Geir Aune, tel +47 5196 9000.

Stavanger, July 13, 2006 Ocean Rig ASA