Reference is made to the stock exchange announcement dated 9th October 2007 pertaining to the planned combination of Pertra ASA and Det Norske Oljeselskap ASA. The combination is conditional upon an Extraordinary General Meeting (EGM) of DNO ASA. DNO's Board of Directors decided on 17th October 2007 to summon an Extraordinary General Meeting to be held on 8th November 2007 at 5:00 p.m. (CET). Notice of the EGM will be sent to the company's shareholders in week 43.
Chairman of the Board
DNO ASA
October 18, 2007