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 Six Months Ended June 30, Ended June 30, 1998 1997 1998 1997 ---------- ---------- ---------- ---------- (In thousands, except share data) Net Earnings $10,183 $ 5,141 $17,936 $ 9,662 Average common shares outstanding 13,670 12,798 13,670 11,990 Net earnings per share - basic $ 0.74 $ 0.40 $ 1.31 $ 0.80 Average common share equivalents outstanding 14,222 12,798 14,154 11,990 Net earnings per share - diluted $ 0.73 $ 0.40 $ 1.27 $ 0.80