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 this amount by the weighted average number of common stock and common stock equivalents outstanding during the period, respectively. For the quarter ended March 31, 2001 2000 -------------- ------------- Net Earnings $11,897 $ 3,767 Average common shares outstanding 18,014 19,029 Net earnings per share - basic $ 0.67 $ 0.20 Average common share equivalents outstanding 19,488 19,100 Net earnings per share - diluted $ 0.62 $ 0.20