Trondheim, 2010-04-28

Invitation - Presentation of Financial Results for 1Q 2010

Det norske oljeselskap ASA ("DETNOR") will present its financial results
for the first quarter 2010 in Oslo on Wednesday, May 12th.

The venue is Felix on Aker Brygge (Bryggetorget 3) at 08:15 a.m.(CET).

Please submit your registration to jeanette.tinholt@detnor.no by
12:00(noon) 11th May.

A live webcast of the interim results will also be available on
www.detnor.no.

The company will be represented by:
CEO Erik Haugane
CFO Finn Øistein Nordam
VP Investor Relations Knut Evensen
VP Communication Torgeir Anda.

About Det norske:
Det norske oljeselskap ASA has interests in a total of 77 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