Horizon holds a 50% interest in PRL 4 and a 45% stake in PRL 21, two of nine onshore licences Canada’s Talisman Energy announced it would farm out to the Japanese giant in February.

Also among the interests to be acquired by Mitsubishi subsidiary Diamond Gas Niugini was a 7.5% stake in PRL 21, which Australian minnow Kina Petroleum had earlier valued at about $22.1