Exhibit 11 CTC COMMUNICATIONS CORP. STATEMENTS REGARDING COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS EXCEPT FOR PER SHARE DATA) Three Months Ended June 30, June 30, 1997 1996 ------------- ------------- PRIMARY Average shares outstanding 9,757 $ 9,585 Net effect of stock options, if dilutive, based on the treasury stock method using the average market price 954 1,396 ------------- ------------- Total 10,711 10,981 Net income $ 1,374 $ 1,194 ------------- ------------- Net income per share $ 0.13 0.11 ------------- ------------- FULLY DILUTED Average shares outstanding 9,757 $ 9,585 Net effect of stock options, if dilutive, based on the treasury stock method using the period-end market price 1,056 1,396 ------------- ------------- Total 10,813 10,981 Net income $ 1,374 $ 1,194 ------------- ------------- Net income per share $ 0.13 0.11 ------------- -------------