Iron-ore miner Kumba Iron Ore delivered a solid operational performance in the fourth quarter and the full-year ended December 31, CEO Themba Mkhwanazi said on Thursday. The Anglo American subsidiary produced 42.4-million tonnes of iron-ore and sold 42.2-million tonnes of iron-ore for the full-year, in line with its guidance of producing 42-million to 43-million tonnes and selling 41.5-million to 42.5-million tonnes respectively.