CITRIX SYSTEMS, INC. EXHIBIT 11 Computation of Earnings Per Share (In Thousands, Except Per Share Data) THREE MONTHS ENDED MARCH 31, 1997 1996 ------------------------------------------ Primary and fully diluted: Average shares outstanding 26,860 23,688 Net effect of dilutive stock options based on the treasury stock method 1,549 2,266 ------------------------------------------ Total 28,409 25,954 ========================================== Net income $ 7,493 $ 2,853 ========================================== Per share amount $ 0.26 $ 0.11 ========================================== 19