AngloGold Ashanti is a global gold mining and exploration company with a diverse portfolio of mining operations and projects on four continents, with more than 96% of the company's revenue derived from the sale of gold produced at its operations located around the world. Working across the full spectrum of the mining value chain, safety and the sustainability of the company's operating activities remain a core focus for management. Headquartered in Johannesburg, South Africa, AngloGold Ashanti has 21 operations in 11 countries. Two new mines, Tropicana in Australia and Kibali in the Democratic Republic of the Congo (DRC), began production in late 2013.