1 EXHIBIT 11 FRESENIUS USA, INC. AND SUBSIDIARIES COMPUTATION OF NET INCOME (LOSS) PER COMMON SHARE (UNAUDITED) (IN THOUSANDS, EXCEPT PER SHARE DATA) Three Months Ended -------------------------------------- March 31, March 31, 1995 1994 --------- --------- Weighted average number of shares of primary and fully dilutive common stock and common stock equivalents 25,872 20,953 ========= ======== Net income $ 3,318 $ 1,537 ========= ======== Net income per common share $ .13 $ .07 ========= ======== 14