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) ------------------ --------------------- 1994 1993 1994 1993 ------- ------- ------- ------- A. Net Income (loss) $ 5,223 ($6,012) $14,080(a) $ 6,909(a) ======= ======= ======= ======= Weighted average number of common shares outstanding 16,332 16,240 16,284(a) 16,217(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 110 155 129 191 ------- ------- ------- ------- B. Average number of common shares and common equivalent shares for primary earnings per share 16,442 16,395 16,413 16,408 ------- ------- ------- ------- Weighted average number of common shares outstanding 16,332 16,240 16,284(a) 16,217(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 177 155 182 191 ------- ------- ------- ------- C. Common shares, assuming full dilution 16,509 16,395 16,466 16,408 ======= ======= ======= ======= Primary earnings (loss) per share A $0.32 ($0.37) $0.86 $0.42(b) - ======= ======= ======= ======= B Fully diluted earnings (loss) per share A $0.32 ($0.37) $0.86 $0.42(b) - ======= ======= ======= ======= C (a) These amounts agree with the related amounts in the Consolidated Statements of Income. 2 (b) The actual difference between reported earnings per share and both primary earnings per share and fully diluted earnings per share is less than $.01, but due to rounding, is shown as presented.