Roc Oil Company Limited 02 February 2006 2 February 2006 ROC OIL COMPANY LIMITED ("ROC") STOCK EXCHANGE RELEASE CHINGUETTI OIL FIELD MARKETING ARRANGEMENT ROC advises that it has appointed Woodside Energy UK Ltd to market its share of the crude oil to be produced from the Chinguetti Oil Field, offshore Mauritania. The first cargo is expected to be produced by the end of March, subject to the timely completion of the Chinguetti Oil Field Development (ROC: 3.25%). 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