1 EXHIBIT 11 FRESENIUS MEDICAL CARE HOLDINGS, INC. AND SUBSIDIARIES WEIGHTED AVERAGE NUMBER OF SHARES AND EARNINGS USED IN PER SHARE COMPUTATION (DOLLARS AND SHARES IN THOUSANDS) SUCCESSOR PREDECESSOR SUCCESSOR PREDECESSOR --------- ----------- --------- ----------- THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, ------------------------ ----------------------------- The weighted average number of shares of Common Stock were as follows .................... 90,000 91,092 90,000 95,188 ====== ====== ====== ====== Income used in the computation of earnings per share were as follows: SUCCESSOR PREDECESSOR SUCCESSOR PREDECESSOR --------- ----------- --------- ----------- THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, ------------------------ ----------------------------- 1997 1996 1997 1996 ------ ------ ------- ------- Net Income ......................................... $5,129 $2,518 $22,300 $62,881 Dividends paid on preferred stocks ................. (130) (130) (390) (393) ------ ------ ------- ------- Income used in per share computation of earnings .................................. $4,999 $2,388 $21,910 $62,488 ====== ====== ======= ======= Earnings per share ................................. $ 0.05 $ 0.04 $ 0.24 $ 0.66 ====== ====== ======= ======= 49