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, 1998 1997 1998 1997 --------- --------- ---------- --------- (In thousands, except share data) Net Earnings $ 10,305 $ 6,194 $ 28,241 $ 15,856 Average common shares outstanding 13,670 13,670 13,670 12,685 Net earnings per share - basic $ 0.76 $ 0.45 $ 2.07 $ 1.25 Average common share equivalents outstanding 14,188 12,798 14,156 12,787 Net earnings per share - diluted $ 0.73 $ 0.44 $ 2.00 $ 1.24