Exhibit 11.1 CORCOM, INC. COMPUTATION OF EARNINGS PER SHARE (UNAUDITED) (In Thousands, except Share Data) Thirteen Weeks Ended Thirty-nine Weeks Ended -------------------- ----------------------- Sept 27, Sept 28, Sept 27, Sept 28, 1997 1996 1997 1996 --------- --------- --------- ---------- Net earnings per common and common equivalent share: Average shares outstanding 3,817 3,795 3,822 3,778 Additional shares assuming exercise of dilutive stock options based on the treasury stock method using average market price 143 190 135 191 AVERAGE NUMBER OF COMMON AND COMMON EQUIVALENT SHARES 3,960 3,985 3,957 3,969 Net earnings $ 726 $ 1,034 $ 2,457 $ 3,601 Net earnings per common and common equivalent share: $ .18 $ .26 $ .62 $ .91 Net earnings per common and common equivalent share - assuming full dilution: Average shares outstanding 3,817 3,795 3,822 3,778 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. 147 197 147 196 FULLY DILUTED AVERAGE NUMBER OF COMMON AND COMMON EQUIVALENT SHARES 3,964 3,992 3,969 3,974 Net earnings $ 726 $ 1,034 $ 2,457 $ 3,601 Net earnings per common and common equivalent shares $ .18 $ .26 $ .62 $ .91