Archived article
Please note that tax, investment, pension and ISA rules can change and the information and any views contained in this article may now be inaccurate.
Russia focused PetroNeft Resources booked a deeper annual loss, partly owing to exploration writedowns.
Pre-tax losses from continuing operations for the year through December amounted to $7.3m, compared to losses of $2.3m on-year.
The included a share of a joint venture's net loss in WorldAce Investments of $6.3m, which rose partly due to the write-off of wells at Tungolskoye.
Revenue rose modestly to $1.8m, up from $1.7m.