EXHIBIT 11.1 CORCOM INC. AND SUBSIDIARIES COMPUTATION OF INCOME PER SHARE for the years ended December 31, 1996, 1995, and 1994 (Amounts in thousands except per share information) 1996 1995 1994 Common and common equivalent shares: Average shares outstanding 3,785 3,686 3,570 Additional shares assuming exercise of dilutive stock options, based on the treasury stock method using average market price 172 181 150 Average number of common and common equivalent shares 3,957 3,867 3,720 Net income $5,472 $2,786 $1,243 Net income per common and common equivalent share $ 1.38 $ 0.72 $ 0.33 Net income per common and common equivalent share, assuming full dilution: Average shares outstanding 3,785 3,686 3,570 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 172 209 152 Fully diluted average number of common and common equivalent shares 3,957 3,895 3,722 Net income $5,472 $2,786 $1,243 Net income per common and common equivalent share $ 1.38 $ 0.72 $ 0.33