EXHIBIT 11 CACI INTERNATIONAL INC AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON AND COMMON EQUIVALENT SHARE Three Months Ended 12/31, Six Months Ended 12/31, ------------------------- ---------------------- 1996 1995 1996 1995 ------ ------ ------ ------ Net Income $ 2,846 $ 2,347 $ 5,544 $ 4,571 Average shares outstanding during the period 10,405 10,102 10,352 10,094 Dilutive effect of stock options after application of treasury stock method 573 573 582 590 ------ ------ ------ ------ Average number of shares outstanding during the period 10,978 10,675 10,934 10,684 ====== ====== ====== ====== Earnings per common and common equivalent share $ 0.26 $ 0.22 $ 0.51 $ 0.43