1 EXHIBIT 11 FRESENIUS USA, INC. AND SUBSIDIARIES COMPUTATION OF NET (LOSS) INCOME PER COMMON SHARE (UNAUDITED) (IN THOUSANDS, EXCEPT PER SHARE DATA) Three Months Ended June 30, June 30, 1996 1995 ------------ ------------ Net (loss) income $ (2,728) $ 3,473 ============ ============ Primary net (loss) income per common and common equivalent share $ (.11) $ .13 ============ ============ Weighted average number of shares of common stock and common stock equivalents used to compute primary net (loss) income per common and common equivalent share 25,941 25,773 ============ ============ Fully diluted net (loss) income per common and common equivalent share $ (.11) $ .13 ============ ============ Weighted average number of shares of common stock and common stock equivalents used to compute fully diluted net (loss) income per common and common equivalent share 25,957 26,694 ============ ============ 17 2 EXHIBIT 11 FRESENIUS USA, INC. AND SUBSIDIARIES COMPUTATION OF NET INCOME PER COMMON SHARE (UNAUDITED) (IN THOUSANDS, EXCEPT PER SHARE DATA) Six Months Ended June 30, June 30, 1996 1995 ------------ ------------ Net income $ 2,619 $ 6,791 ============ ============ Primary net income per common and common equivalent share $ .10 $ .26 ============ ============ Weighted average number of shares of common stock and common stock equivalents used to compute primary net income per common and common equivalent share 25,831 25,712 ============ ============ Fully diluted net income per common and common equivalent share $ .10 $ .26 ============ ============ Weighted average number of shares of common stock and common stock equivalents used to compute fully diluted net income per common and common equivalent share 25,884 26,658 ============ ============ 18