Roc Oil Provides Update on Gharabi-1 Exploration Well Drilling, Offshore Mauritania

Roc Oil (Mauritania) Company, a wholly owned subsidiary of ROC, advises that the Maersk Deliverer rig started drilling the Gharabi-1 exploration well at 19:10 hours (Mauritania time) on 7 January 2011.

At 06:00 hours on 9 January (Mauritania time) the well was drilling ahead at a measured depth of 2,418 metres.

Gharabi-1 is located in Block C6, offshore Mauritania, approximately 22 kilometres southwest of the Cormoran-1 discovery. The planned total depth of the well is approximately 4,880 metres and the well is located in a water depth of 1,791 metres.

Participating Interests in Block C6 are:

PC Mauritania I Pty Ltd (Operator) ………………………………………….72.58%

Tullow Petroleum (Mauritania) Pty Ltd …………………………………….22.42%

Roc Oil (Mauritania) Company ………………………………………………… 5.00%

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Source:Roc Oil, January  11, 2011