Caltex Australia Limited has predicted an increase of at least 60% in its 2004 net profit. The company expects a stronger profit after tax on a replacement-cost-of-sales-operating-profit basis of A$315 million (US$243 million) to A$335 million, excluding significant items, for the full-year 2004 compared with A$199.7 million for 2003. “This result excludes the impact of…