Trondheim, 2010-01-12

Financial Calendar 2010

Det norske oljeselskap has decided the following financial calendar for
2010:

19 February: Publication of fourth quarter 2009 results
20 April: Annual general meeting in Trondheim
12 Mai: Publication of first quarter 2010 results
18 August : Publication of second quarter 2010 results
5 November: Publication of third quarter 2010 results

Det norske reserves the right to revise the dates.

This information is subject of the disclosure requirements acc. to §5-12
vphl (Norwegian Securities Trading Act)

Contact:
Vice President Investor Relations Knut Evensen; +47 950 77 622

About Det norske:
Det norske oljeselskap ASA has after the merger with Aker Exploration
interests in a total of 70 licenses, with 32 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 176. The company`s registered
office is located in Trondheim. The company also has offices in Oslo,
Harstad, and Stavanger.