NIGERIA · MARKETS

Key Facts

—The plan: Aliko Dangote intends to float his oil refinery through a pan-African share sale, in what advisers say would be the largest IPO in the continent’s history.

—The size: The offer aims to raise up to about $5 billion by selling roughly 10% of the company.

—The reach: A primary listing is planned on the Nigerian Exchange, with secondary listings on up to five other African bourses in South Africa, Kenya, Ghana, Ethiopia and West Africa’s regional exchange.