Exhibit 11.1 CORCOM, INC. COMPUTATION OF EARNINGS PER SHARE (UNAUDITED) (In Thousands, except Share Data) Thirteen Weeks Ended Twenty-six Weeks Ended ---------------------- ------------------------ June 28, June 29, June 28, June 30, 1997 1996 1997 1996 -------- -------- -------- -------- Net earnings per common and common equivalent share: Average shares outstanding 3,822 3,787 3,824 3,769 Additional shares assuming exercise of dilutive stock options based on the treasury stock method using average market price 136 206 138 194 AVERAGE NUMBER OF COMMON AND COMMON EQUIVALENT SHARES 3,958 3,993 3,962 3,963 Net earnings $ 990 $ 1,303 $ 1,731 $ 2,567 Net earnings per common and common equivalent share: $ .25 $ .33 $ .44 $ .65 Net earnings per common and common equivalent share - assuming full dilution: Average shares outstanding 3,822 3,787 3,824 3,769 Additional shares assuming exercise of dilutive stock options based on the treasury stock method using the period end price if higher than the average market price. 137 206 138 197 FULLY DILUTED AVERAGE NUMBER OF COMMON AND COMMON EQUIVALENT SHARES 3,959 3,993 3,962 3,966 Net earnings $ 990 $ 1,303 $ 1,731 $2,567 Net earnings per common and common equivalent shares $ .25 $ .33 $ .44 $ .65