Annual Statement of Reserves

Trondheim, 2010-03-25

Annual Statement of Reserves

Det norske oljeselskap ASA is providing an Annual Statement of Reserves
in accordance with Oslo Stock Exchange`s Circular No. 9/2009.

The Annual Statement of Reserves is attached, and may also be downloaded
from the company`s web site: www.detnor.no.

For further information, please contact: VP IR Knut Evensen, tel. +47
950 77622

About Det norske:
Det norske oljeselskap ASA has interests in a total of 77 licenses, with
40 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, and 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).