Mauritania Drilling Update

Roc Oil Company Limited 28 November 2004 29 November 2004 ROC OIL COMPANY LIMITED ('ROC') STOCK EXCHANGE RELEASE MAURITANIA OFFSHORE DRILLING UPDATE PSC-B, Block 4 Merou-1 Exploration Well ROC advises that the Merou-1 exploration well in PSC-B, offshore Mauritania, has reached Total Depth of 3060m. Drill data and preliminary log evaluation suggest that the well intersected a number of thin hydrocarbon-bearing sands. Hydrocarbon samples have been recovered to surface. Initial interpretation suggests that the accumulations are not of economic size, but further analysis will be required to determine their full significance. Participating Interests in PSC-B are: Woodside group companies (Operator) 53.846% Hardman group companies 21.6% BG group companies 11.63% Premier group companies 9.231% Roc Oil group companies 3.693% John Doran For further information please contact: Chief Executive Officer Dr John Doran on Tel: +61-2-8356-2000 Fax: +61-2-9380-2635 E-mail: 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 Ann-Marie Wilkinson/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
UK 100

Latest directors dealings