1 EXHIBIT 11 GALILEO CORPORATION CALCULATION OF EARNINGS PER SHARE Three Months Ended December 31, 1996 1995 --------------------------- Primary Average shares outstanding 6,836,453 6,763,573 Net effect of dilutive stock options - based on the treasury stock method using average market price -- 101,723 ----------- ---------- Total 6,836,453 6,865,296 =========== ========== Net income (loss) $(1,166,000) $1,524,000 Per share amount $ (.17) $ .22 Fully Diluted Average shares outstanding 6,836,453 6,763,573 Net effect of dilutive stock options - based on the treasury stock method using the quarter-end market price, if higher than average market price -- 110,009 ----------- ---------- Total 6,836,453 6,873,582 =========== ========== Net income (loss) $(1,166,000) $1,524,000 Per share amount $ (.17) $ .22 15