The Company has been advised by Star Energy Group plc, that drilling operations were completed on July 11th 2007. The Avington-3z well has been on free-flow production through a 14/64” choke since the 10th of August. The well has been producing an average of 470 bopd with only minor traces of water. It will be left on free-flow production until some difficulties in installing a jet pump for longer term production are resolved.

(The Company holds a 5% interest in the Avington licence).

In accordance with the AIM Rules – Guidance for Mining and Oil & Gas Companies, the information contained in this announcement has been reviewed and signed off by the Exploration and Technical Director of Northern, Mr Graham Heard CGeol FGS, who has over 30 years experience as a petroleum geologist.

For further information please contact:

Northern Petroleum Plc
Derek Musgrove, Managing Director
Chris Foss, Finance Director
Graham Heard, Exploration and Technical Director
Tel: +44 (0)20 7743 6080

Investec
Michael Ansell / Paul Brett
Tel: +44 (0) 20 7597 5000

Panmure Gordon & Co
Katherine Roe / Ashton Clanfield
Tel: +44 (0)20 7459 3600

Bishopsgate Communications Limited
Maxine Barnes / Nick Rome
Tel: +44 (0) 20 7562 3350