Dry well on the Storkinn prospect in PL 408

Det norske oljeselskap ASA, operator of production licence 408, has completed the drilling of wildcat well 15/9-24. The well, which was dry, was drilled southwest of the Sleipner Øst field in the central  part of the North Sea.

The well will now be permanently plugged and abandoned. The licence was awarded in APA 2006.

Well 15/9-24 was drilled by semi submersible drilling rig Bredford Dolphin. This was the last well for this rig on contract for Det norske.

Contacts: Knut Evensen, VP Investor Relations, tel.: +47 950 77 622
Odd Ragnar Heum, Sr. VP Field and Area Development, tel.: +47 93 22 40 76

About Det norske:

Det norske oljeselskap ASA has interests in a total of 74 licenses, with 37 operatorships.

Det norske is the second-largest operating company on the Norwegian Continental Shelf both considering number of operatotships and exploration activity. I 2009 the company operated nine exploration wells or on behalf of other operators. The high activity will continue in 2010. Det norske runs its activities in a safe and responsible manner in close cooperation with the authorities.

Det norske currently employs a staff of 180. The company`s registered office is located in Trondheim. The company also has offices in Oslo, Harstad, and Stavanger. Det norske is listed on the Oslo Stock Exchange (DETNOR).

More information: www.detnor.no