Aker BP — Director's Dealing 2010

Dec 30, 2010

DETNORSKE

Trondheim, 2010-12-30

Mandatory notification of trade

Member of the Board, Berge Gerdt Larsen has through the company Larsen Oil & Gas AS bought 15,961 shares in Det norske oljeselskap ASA at an average price of NOK 25,9.

Following the transaction, Larsen Oil & Gas holds 20,961 shares in Det norske oljeselskap ASA.

About Det norske:

Det norske oljeselskap ASA has interests in a total of 72 licenses, with 35 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, and the high activity has continued 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 around 200. 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 about Det norske: www.detnor.no