Colombia drilling program update

The results of our fifth Monserrate well (MN-33) show an initial production of 133 bopd and 146 boepd. The well was drilled to 4 071 ft with a 12 degree deviation. 285 ft. of net sands were selected for perforation. GOR was 553 scf/stb of 26.7 API oil gravity with 0.5% BSW.

For more information please contact:
Thomas J. Fjell
CEO
Mob: +47 958 15 300

Erik Sandøy
CFO
Mob: +47 488 94 426

www.interoil.no

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Interoil Exploration & Production ASA is a Norwegian based exploration and production company – listed on the Oslo Stock Exchange – with focus on Latin-America. The company is operator of several production and exploration assets in Peru and Colombia. Interoil is headquartered in Oslo.

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