INTERLEAF, INC. EXHIBIT 11-COMPUTATION OF EARNINGS PER SHARE Three months ended Six months ended September 30 September 30 1996 1995 1996 1995 ---- ---- ---- ---- (unaudited) (unaudited) In thousands, except for per share amounts PRIMARY Weighted average shares outstanding of Common Stock 17,457 15,084 17,229 14,725 Dilutive Senior Series B Convertible Preferred Stock -- 2,000 -- 2,160 Dilutive stock options -- 1,286 -- 1,081 Dilutive stock purchase warrants -- 203 -- 141 Dilutive stock purchase plan rights -- 45 -- 27 -------- ------- -------- ------- TOTAL 17,457 18,618 17,229 18,134 -------- ------- -------- ------- Net income (loss) $(10,327) $ 922 $(14,127) $ 1,394 -------- ------- -------- ------- Net income (loss) per share $ (0.59) $ 0.05 $ (0.82) $ 0.08 -------- ------- -------- ------- FULLY DILUTED Weighted average shares outstanding of Common Stock 17,457 15,084 17,229 14,725 Dilutive Senior Series B Convertible Preferred Stock -- 2,000 -- 2,160 Dilutive stock options -- 1,323 -- 1,366 Dilutive stock purchase warrants -- 215 -- 277 Dilutive stock purchase plan rights -- 46 -- 32 -------- ------- -------- ------- TOTAL 17,457 18,668 17,229 18,560 -------- ------- -------- ------- Net income (loss) $(10,327) $ 922 $(14,127) $ 1,394 -------- ------- -------- ------- Net income (loss) per share $ (0.59) $ 0.05 $ (0.82) $ 0.08 -------- ------- -------- ------- The dilutive effect of stock options, stock purchase warrants, and stock purchase plan rights are calculated using the treasury stock method. Under this method, these common stock equivalents are assumed to be exercised and proceeds from the exercise are assumed to be used to repurchase common stock at the average market price for primary income (loss) per share and the higher of the end of the period or average market price for fully diluted income (loss) per share. The dilutive effect of Convertible Preferred Stock is calculated using the if-converted method.