EXHIBIT 11 RECOVERY ENGINEERING, INC. COMPUTATION OF LOSS PER SHARE Three months ended Nine months ended September 30, September 30, --------------------------- ---------------------------- 1996 1995 1996 1995 ---- ---- ---- ---- Primary: Weighted average shares outstanding 4,323,000 4,250,000 4,301,000 4,234,000 Net effect of dilutive stock options and warrants ) based on treasury stock method using average market price -- -- -- -- ----------- ----------- ----------- ----------- Total 4,323,000 4,250,000 4,301,000 4,234,000 =========== =========== =========== =========== Net loss $(2,916,000) $ (85,000) $(6,559,000) $ (713,000) =========== =========== =========== =========== Per share amount $ (.67) $ (.02) $ (1.52) $ (.17) =========== =========== =========== =========== Fully diluted: Weighted average shares outstanding 4,323,000 4,250,000 4,301,000 4,234,000 Net effect of dilutive stock options and warrants ) based on treasury stock method using ending market price, if higher than average market price -- -- -- -- ----------- ----------- ----------- ----------- Total 4,323,000 4,250,000 4,301,000 4,234,000 =========== =========== =========== =========== Net loss $(2,916,000) $ (85,000) $(6,559,000) $ (713,000) =========== =========== =========== =========== Per share amount $ (.67) $ (.02) $ (1.52) $ (.17) =========== =========== =========== ===========