Guinea · MINING
Key Facts
—The signing: Guinea signed the mining convention for Nimba Mining Company on 6 August 2026 at the Petit Palais of the Presidency in Conakry.
—Ownership: NMC is 100 percent owned by the Guinean state and financed by national capital, created by presidential decree in August 2025 under President Mamadi Doumbouya.
—The asset: The convention covers bauxite extraction at Tinguilinta and export through the Port of Kamsar, with a concession area of 690.20 square kilometres in Boké Prefecture and a 25-year term.







