EXHIBIT 11 FTP SOFTWARE, INC. WEIGHTED SHARES USED IN COMPUTATION OF EARNINGS PER SHARE THREE MONTHS SIX MONTHS ENDED ENDED ------------ ---------- FOR THE PERIOD ENDED JUNE 30, 1996: Common stock outstanding, beginning of the period 26,966,222 26,506,729 Weighted average common stock issued during the period ended June 30, 1996 190 445,922 ------------ ------------ Weighted average shares of common stock outstanding 26,966,412 26,952,651 ============ ============ FOR THE PERIOD ENDED JUNE 30, 1995: Common stock outstanding, beginning of the period 24,382,216 23,344,122 Weighted average common stock issued during the period ended June 30, 1995 397,179 718,181 Weighted average common stock equivalents 6,547,266 6,485,453 Weighted average treasury shares acquired using the treasury stock method (2,983,111) (2,358,876) ------------ ------------ Weighted average shares of common stock outstanding 28,343,550 28,188,880 ============ ============ For the three- and six-month periods ended June 30, 1996 and 1995 there was no material difference between the computation of fully diluted and primary weighted shares of common stock equivalents outstanding.