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 For the nine months Ended September 30, Ended September 30, 1999 1998 1999 1998 -------------- ----------- ------------ ------------- (In thousands, except share data) Net Earnings $ 7,204 $ 10,305 $ 30,266 $ 28,241 Average common shares outstanding 13,689 13,670 13,679 13,670 Net earnings per share - basic $ 0.52 $ 0.76 $ 2.21 $ 2.07 Average common share equivalents outstanding 13,984 14,188 14,178 14,156 Net earnings per share - diluted $ 0.51 $ 0.73 $ 2.14 $ 2.00