EXHIBIT 11 Flagstar Bancorp, Inc. Computation of Net Earnings per Share Net earnings per share - basic and net earnings per share - diluted are computed by dividing each such earnings per share by the weighted average number of common stock and common stock equivalents outstanding during the period, respectively (in thousands, except per share data). FOR THE SIX MONTHS ENDED JUNE 30, 2006 2005 ----------- ----------- Net Earnings $ 47,550 $ 47,578 Average common shares outstanding 63,438 61,770 Net earnings per share - basic $ 0.75 $ 0.77 Average common share equivalents outstanding 64,333 64,083 Net earnings per share - diluted $ 0.74 $ 0.74