MANDATORY NOTIFICATION OF TRADE

Petrolia Invest AS has on 18 March bought 50,000 shares in DNO International ASA at a price of NOK 9.146 per share.

Berge Gerdt Larsen is the chairman of Petrolia Invest AS. Mr Larsen is also the chairman of DNO International ASA.

Following this transaction, Petrolia Invest AS holds 1 833 030 shares in DNO.

Oslo, 21 March 2011

DNO International ASA
Corporate Communications

This information is subject of the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.