1 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, 1999 1998 -------------- ----------- Net Earnings $ 11,363 $ 7,753 Average common shares outstanding 13,670 13,670 Net earnings per share - basic $ 0.83 $ 0.57 Average common share equivalents outstanding 14,253 14,101 Net earnings per share - diluted $ 0.80 $ 0.54 21