Oslo, 1 October 2018

Interoil is pleased to announce that Vikingos workover operation has
successfully finished. Currently the well has been put on stream aiming at
cleaning the near wellbore from the completion fluid used to safely conduct
the workover programme.

Once the cleaning operation concludes, Interoil will continue testing and
evaluating the lower C7 formation by installing downhole pressure gauges for
pressure and flow behaviour in time analysis. This operation is expected to
take place this coming weeks. Afterwards, the well will be put on production
from the C5 formation as it has been producing prior to the workover.

In the meantime, Interoil continues constructive social conversations with the
Duyas native community aiming at having their approval for demobilizing the
work-over unit as well as continuing with Vikingos normal production
operation.

Regardless of the improved social relationship with the Duya, Interoil has
made good progress to get access approval from private landowners through
alternative The Northern Road.

Leandro Carbone, CEO, commented: We are pleased with successfully finalising
Vikingos workover program, and with the improved relationship with the Duya
community. Regardless of our current social relationship with them, the
Northern Road is still an important objective as this will secure daily
access for Vikingo-x1 production operation.