DNO ASA: Yemen Operations Update

Oslo, 31 March 2015 - DNO ASA, the Norwegian oil and gas operator, today announced suspension of production in Yemen due to the continuing deterioration of security conditions. Prior to the suspension, combined production from Block 32 and Block 43 averaged 1,950 barrels of oil per day (bopd) on a gross basis and 950 bopd on a company working interest (CWI) basis.

The company continues to monitor the situation closely and has initiated plans to secure its facilities and remove non-essential staff. All expatriates were previously relocated to Dubai.

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For further information, please contact:

Media: media@dno.no

Investors: investor.relations@dno.no

Tel: +47 911 57 197

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DNO ASA is an Oslo-listed, Middle East and North Africa focused oil and gas company holding stakes in 20 blocks in various stages of exploration, development and production both onshore and offshore in the Kurdistan Region of Iraq, the Republic of Yemen, the Sultanate of Oman, the United Arab Emirates, the Tunisian Republic and Somaliland.

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