the right choice for long term annual report year ended april 30 2006 washington mutual investors fund sm seeks to provide income and growth of principal through investments in quality common stocks this is one 29 american funds organization ranks among nation s three largest families nearly 75 years capital research management company adviser has invested with a focus based on thorough attention risk contents letter shareholders 1 investment 2 value perspective 3 challenge change navigating carefully stock market that never stops moving 6 portfolio 12 financial statements 18 directors advisory board offi cers 32 figures shown are past results class shares unless otherwise indicated not predictive future periods at net asset if sales charge maximum 5 had been deducted would have lower current may be or higher than those