If implemented, Exore shareholders will receive 1 Perseus share for every 12.79 Exore shares held.
The acquisition will see the $1.6 billion Perseus take control of Exore's Bagoe project in the Ivory Coast.
It has a JORC compliant resource of 90,000 ounces of gold as an indicated mineral resources and 440,000 ounces classified as an inferred mineral resource.
Shares in Perseus Mining (ASX:PRU) are trading 10.6 per cent lower at $1.20.