Offshore Mauritania

15 Aug 2006 07:01

Roc Oil Company Limited15 August 2006 15 August 2006 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE EXPLORATION DRILLING UPDATE OFFSHORE MAURITANIA Further to its Stock Exchange Release on 1 August 2006, ROC advises that theAtwood Hunter drilling rig commenced operations at the Dana-operated Flamant-1exploration well in Block 8 on 11 August 2006, with the drilling of a pilot holeto check for shallow gas. At 0600 hours (local time) on 13 August 2006, Flamant-1 was drilled to a depthof 1,494 metres where the 36 inch conductor was set, with preparations underwayto drill ahead in 26 inch hole. Flamant-1 is located in a water depth of 1,414metres approximately 340 km north-west of the Chinguetti Oil Field. The plannedTotal Depth is approximately 3,370 metres. On completion of Flamant-1 the Atwood Hunter will drill a second Dana-operatedexploration well, Aigrette-1 in Block 7, before returning the rig to Woodside. Participating interests include: +---------------------------+---------+---------+ | Company | Dana | Dana | | |Operated |Operated | | | Block 8 | Block 7 | +---------------------------+---------+---------+ |Woodside group companies | -- | 15.000%| +---------------------------+---------+---------+ |Hardman group companies | 18.000%| 16.200%| +---------------------------+---------+---------+ |Roc Oil group companies | 2.000%*| 4.950%| +---------------------------+---------+---------+ |Dana Petroleum (E&P) | 24.000%| 36.000%| |Limited | | | +---------------------------+---------+---------+ |Wintershall AG | 25.000%| -- | +---------------------------+---------+---------+ |Gaz de France UK B.V | 31.000%| 27.850%| +---------------------------+---------+---------+* Option to increase to 5% Michelle Manook For further information please contact:General Manager - Corporate Affairs Dr John Doran on 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