The aims of this study are to analyze the effect of intellectual capital performance on intellectualcapital disclosure in annual report of manufacturing company listed in Indonesia Stock Exchange(IDX) period 2004-2006 and to analyze the level of intellectual capital disclosure in annualreport period 2004-2006. 50 companies was taken as samples in the research.This paper usescontent analysis to compile a measure of disclosure on each annual report of manufacturingcompany and statistical analysis to test whether intellectual capital performance has a positiveeffect to intellectual capital disclosure. Based on statistical analysis, it is concluded that theintellectual capital performance and firm size have a positive effect to intellectual capitaldisclosure. Leverage has no effect to intellectual capital disclosure. The result of content analysisshows that the intellectual capital disclosure in annual report of manufacturing company period2004-2006 are less than 50%.