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Roc Oil Starts Drilling in Mauritania With Atwood Hunter Rig

02-22-2008

Roc Oil (Mauritania) Company, a wholly owned subsidiary of ROC, announces that the Atwood Hunter drilling rig arrived on the Khop-1 well location in PSC Area C, Block 6, offshore Mauritania, on February 14, 2008.

The rig commenced drilling the Khop-1 exploration well at 1700 hours (local time) on February 17, 2008. The well is located approximately 70 kilometers off the Mauritanian coast.

Participating Interests in the PSC Area C, Block 6 are: Roc Oil (Mauritania) Company, 5%; PC Mauritania I Pty Ltd (Operator), 37.578%; Petronas Carigali Overseas Sdn Bhd, 35%; Tullow Oil plc, 22.422%.