Lagune Exploitation is developing the 34.5 million metric tons Benene deposit in the country’s east that will produce 750,000 tons of the alumina-making ingredient and 350,000 tons of calcinated metal in a year, Chief Executive Officer Moumouni Bictogo said Monday in an interview in the West African nation’s commercial capital, Abidjan. The company is also planning to build the two plants by 2025, he said.