Mandatory notification of trade

Director of Exploration Tom Bugge and Director of Technology and Development Stein Fines have both sold 70 000 shares,
about 10% of their shareholdings, at an average price of NOK 50.8625.

The transactions were performed on in Thursday September 10th 2009.

Following the transactions, Tom Bugge holds 695 985 shares in Det norske, while Stein Fines holds 631 609 shares.