1 EXHIBIT 11 ARBOR DRUGS, INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE Three Months Ended Year Ended (In thousands, except July 31, July 31, for per share data) ------------------ --------------------- 1995 1994 1995 1994 ------- ------- ------- ------- A. Net Income $ 5,640 $ 5,223 $23,067(a) $14,078(a) ======= ======= ======= ======= Weighted average number of common shares outstanding 24,746 24,498 24,646(a) 24,427(a) Effect of the issuance of stock options and assumed exercise of stock options at prices which are lower than the average market price of the common shares during the period, using the treasury stock method 421 165 332 194 ------- ------- ------- ------- B. Average number of common shares and common equivalent shares for primary earnings per share 25,167 24,663 24,978 24,621 ------- ------- ------- ------- Weighted average number of common shares outstanding 24,746 24,498 24,646(a) 24,427(a) Effect of the issuance of stock options and assumed exercise of options at prices which are lower than the market price of common stock at end of the period when such price is higher than average market price of the common 440 266 443 273 shares during the period, ------- ------- ------- ------- using the treasury stock method. C. Average number of common shares and common equivalent shares for fully diluted earnings per share. 25.186 24.764 25.089 24.700 ======= ======= ======= ======= Primary earnings per share A $0.22 $ 0.21 $0.92(b) $0.57 - ======= ======= ======= ======= B Fully diluted earnings per share A $0.22 $ 0.21 $0.92(b) $0.57 - ======= ======= ======= ======= C (a) These amounts agree with the related amounts in the Consolidated Statements of Income. (b) The actual difference between reported earnings per share and both primary earnings per share and fully diluted earnings per share is less than $.02, but due to rounding, is shown as presented. 30