EXHIBIT 11 ABBOTT LABORATORIES AND SUBSIDIARIES CALCULATION OF FULLY DILUTED EARNINGS PER SHARE (Dollars and Shares in Millions Except Per Share Amounts) SIX MONTHS ENDED JUNE 30 ----------------------- 1997 1996 -------- ------- 1. Net earnings $ 1,056.4 $ 950.5 -------- ------- 2. Average number of shares outstanding 773.1 784.5 -------- ------- 3. Earnings per share based upon average outstanding shares (1 divided by 2) $ 1.37 $ 1.21 -------- ------- -------- ------- 4. Fully diluted earnings per share: a. Stock options granted and outstanding for which the market price at quarter-end exceeds the option price 32.0 26.9 -------- ------- -------- ------- b. Aggregate proceeds to the Company from the exercise of options in 4.a. $ 1,225.3 $771.7 -------- ------- -------- ------- c. Market price of the Company's common stock at quarter-end $ 66.75 $43.50 -------- ------- -------- ------- d. Shares which could be repurchased under the treasury stock method (4.b. divided by 4.c.) 18.4 17.7 -------- ------- -------- ------- e. Addition to average outstanding shares (4.a. - 4.d.) 13.6 9.2 -------- ------- -------- ------- f. Shares for fully diluted earnings per share calculation (2. + 4.e.) 786.7 793.7 -------- ------- -------- ------- g. Fully diluted earnings per share (1. divided by 4.f.) $ 1.34 $1.20 -------- ------- -------- -------