UK Onshore Drilling Update

Roc Oil Company Limited 22 November 2004 22 November 2004 ROC OIL COMPANY LIMITED ('ROC') STOCK EXCHANGE RELEASE UK ONSHORE DRILLING UPDATE ERRINGTON-1: EXPLORATION WELL, PEDL 028, ONSHORE UK (ROC: 100% & Operator) As at 21 November 2004, the ROC-owned Explorer Rig had been rigged-up at the Errington-1 exploration wildcat well site and preparations were underway to commence conventional petroleum drilling activities following the release of the air drilling rig which had been used to drill the top hole section. Errington-1 is located in PEDL 028 approximately 35 km west of Newcastle in northern England. The Errington-1 wildcat exploration well, which is targeting a potentially large gas prospect, is expected to reach the first objective horizon during the latter part of December 2004. Bruce Clement For further information please contact: Chief Operating 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
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