1 EXHIBIT 11 FRESENIUS USA, INC. AND SUBSIDIARIES COMPUTATION OF NET INCOME PER COMMON SHARE (UNAUDITED) (IN THOUSANDS, EXCEPT PER SHARE DATA) Three Months Ended ------------------ March 31, March 31, 1996 1995 --------- -------- Net income $ 5,346 $ 3,318 ======= ======= Primary net income per common and common equivalent share $ .19 $ .13 ======= ======= Weighted average number of shares of common stock and common stock equivalents used to compute primary net income per common and common equivalent share 27,884 25,717 ======= ======= Fully diluted net income per common and common equivalent share $ .19 $ .13 ======= ======= 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 27,936 25,872 ======= ======= 23