EXHIBIT 11 RECOVERY ENGINEERING, INC. COMPUTATION OF LOSS PER SHARE Three months ended Six months ended June 30, June 30, -------------------------- -------------------------- 1996 1995 1996 1995 ----------- ----------- ----------- ----------- Primary: Weighted average shares outstanding 4,319,000 4,243,000 4,290,000 4,225,000 Net effect of dilutive stock options and warrants -- based on treasury stock method using average market price -- -- -- -- ----------- ----------- ----------- ----------- Total 4,319,000 4,243,000 4,290,000 4,225,000 =========== =========== =========== =========== Net loss $(1,722,000) $ (901,000) $(3,643,000) $ (628,000) =========== =========== =========== =========== Per share amount $ (.40) $ (.21) $ (.85) $ (.15) =========== =========== =========== =========== Fully diluted: Weighted average shares outstanding 4,319,000 4,243,000 4,290,000 4,225,000 Net effect of dilutive stock options and warrants -- based on treasury stock method using ending market price, if higher than average market price -- -- -- -- ----------- ----------- ----------- ----------- Total 4,319,000 4,243,000 4,290,000 4,225,000 =========== =========== =========== =========== Net loss $(1,722,000) $ (901,000) $(3,643,000) $ (628,000) =========== =========== =========== =========== Per share amount $ (.40) $ (.21) $ (.85) $ (.15) =========== =========== =========== ===========