EXCLUSIVE: Nigeria's Dangote seeks around $1.5 billion with refinery IPO, sources say ↧ ↧ EXCLUSIVE: Nigeria's Dangote seeks around $1.5 billion with refiner... Nigeria's Dangote Group plans to price the initial public ‌offering of its refinery unit at 525 naira ($0.40) per share, potentially raising about $1.5 billion in Africa's biggest-ever share sale, two sources with direct knowledge of the deal told Reuters on Friday.