Holding(s) in Company

24th Apr 2006 07:00

Embargoed for release: 0700 on 24 April 2006 Northern Petroleum Plc ("the Company") Notification of Shareholding The Board of Northern Petroleum Plc received notification on 21 April fromCredit Suisse Securities (Europe) Limited ("CSSEL") that, as a result ofacquisitions on 19 April, CSSEL has an interest in 1,725,000 ordinary shares,which represents 3.20% of the issued ordinary share capital of the Company. -Ends- For further information please contact:Northern Petroleum PlcChris Foss, Finance DirectorTel: +44(0)20 7743 6080InvestecMichael AnsellAndrew ChenTel: +44(0)20 7597 5000Hansard CommunicationsChris RobertsBen SimonsTel. +44(0)20 7245 1100Further information on Northern Petroleum Plc is available via our website,www.northpet.comENDNORTHERN PETROLEUM PLC

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