Dangote owns an 86-percent stake in Dangote Cement, Africa's largest cement producer.
The sum is 33-percent less than in 2021.
Dangote Sugar Refinery has a refining capacity of 1.44 million metric tonnes.
The hike in prices grew Dangote Sugar Refinery's revenue by 41.5 percent.
A legal action has been launched against Abdul Samad Rabiu.
The sugar industry is highly lucrative for the key players on the Nigerian market.