Drilling Update-Mauritania

9 Oct 2006 07:01

Roc Oil Company Limited09 October 2006 9 October 2006 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE EXPLORATION DRILLING UPDATE OFFSHORE MAURITANIA ROC advises that the Atwood Hunter commenced drilling the Dana-operatedAigrette-1 exploration well in Block 7 on 7 October 2006. As at 0600 hours(local time) on 8 October the well had been drilled to a depth of 1,838 metresand the current operation was drilling ahead. Aigrette-1 is located in a water depth of 1,380 metres approximately 43 kmnorth, northwest of the 2003 Pelican-1 gas discovery and 193 km north, northwestof the Chinguetti Oil Field. The planned Total Depth is 4,925 metres which isexpected to be reached in early November. On completion of Aigrette-1 the Atwood Hunter will return to drill the remainingwells in the Woodside-operated programme: Kibaro-1 exploration well in PSC AreaA and Chinguetti-18 development well. Participating interests include: +---------------------------------+-----------+----------+--------------+ | Company | Dana |Woodside | Woodside | | | Operated | Operated | Operated | | | Block 7 | PSC-A | Chinguetti | | | | |Joint Venture | +---------------------------------+-----------+----------+--------------+ |Roc Oil group companies | 4.950% | 4.155% | 3.24984% | +---------------------------------+-----------+----------+--------------+ |Dana Petroleum (E&P) Limited | 36.000% | -- | -- | +---------------------------------+-----------+----------+--------------+ |Gaz de France UK Exploration B.V.| 27.850% | -- | -- | +---------------------------------+-----------+----------+--------------+ |Hardman group companies | 16.200% | 24.300% | 19.00800% | +---------------------------------+-----------+----------+--------------+ |Woodside group companies | 15.000% | 53.846% | 47.38448% | +---------------------------------+-----------+----------+--------------+ |Societe Mauritanienne des | -- | -- | 12.00000% | |Hydrocarbures (formerly GPC) | | | | +---------------------------------+-----------+----------+--------------+ |BG group companies | -- | 13.084% | 10.23440% | +---------------------------------+-----------+----------+--------------+ |Premier group companies | -- | -- | 8.12328% | +---------------------------------+-----------+----------+--------------+ |Fusion group companies | -- | 4.615% | -- | +---------------------------------+-----------+----------+--------------+ For further information please contact:Michelle Manook Dr John Doran onGeneral Manager - Corporate Affairs Tel: +61-2-8356-2000 Fax: +61-2-9380-2635 Email: jdoran@rocoil.com.au Or visit ROC's website: www.rocoil.com.au Dr Kevin Hird General Manager Business Development Tel: +44 (0)207 586 7935 Fax: +44 (0)207 722 3919 Email: khird@rocoil.com.au Nick Lambert Bell Pottinger Corporate & Financial Tel: +44 (0)207 861 3232 This information is provided by RNS The company news service from the London Stock Exchange