1 Exhibit (11) COMPUTATION OF PER SHARE EARNINGS LIQUI-BOX CORPORATION Fifty-two Fifty-two Fifty-two Weeks Ended Weeks Ended Weeks Ended December 27, 1992 December 29, 1991 December 30, 1990 ----------------------------------------------------------------- Primary: Weighted average number of common shares outstanding 5,959,962 6,223,395 6,327,969 Net effect of dilutive stock options-- based on treasury stock method using average market price 167,612 173,917 146,659 ----------- ----------- ----------- Weighted average common and common equivalent shares 6,127,574 6,397,312 6,474,628 =========== =========== =========== Net Income $14,519,000 $12,085,000 $13,327,000 Earnings per common and common equivalent share $ 2.37 $ 1.89 $ 2.06 =========== =========== =========== Fully Diluted: Weighted average number of common shares outstanding 5,959,962 6,223,395 6,327,969 Net effect of dilutive stock options-- based on treasury stock method using the year-end market price, if higher than average market price 175,776 173,917 146,659 ----------- ----------- ----------- Fully diluted shares 6,135,738 6,397,312 6,474,628 =========== =========== =========== Net Income $14,519,000 $12,085,000 $13,327,000 Earnings per common and common equivalent share $ 2.37 $ 1.89 $ 2.06 =========== =========== ===========