EXHIBIT 12 ABBOTT LABORATORIES CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (Unaudited) (Millions of Dollars Except Ratios) Year Ended December 31 ------------------------------------------------- 1994 1993 1992 1991 1990 ------ ------ ------ ------ ------ Net Earnings . . . . . . . . . . . . . . . . . . . . . . . . $1,517 $1,399 $1,239 $1,089 $ 966 Add (deduct): Income taxes. . . . . . . . . . . . . . . . . . . . . . 650 544 500 456 385 Capitalized interest cost, net of amortization. . . . . . . . . . . . . . . . . . (7) (6) (14) (10) (3) Equity in earnings of 20%-49% owned companies, less dividends received . . . . . . . . ... (1) ... (9) (4) Minority interest . . . . . . . . . . . . . . . . . . . 12 13 7 3 (1) ------ ------ ------ ------ ------ Net earnings as adjusted. . . . . . . . . . . . . . . . $2,172 $1,949 $1,732 $1,529 $1,343 ------ ------ ------ ------ ------ Fixed Charges: Interest on long-term and short-term debt. . . . . . . . . . . . . . . . . . $ 50 $ 54 $ 53 $ 64 $ 91 Capitalized interest cost . . . . . . . . . . . . . . . 18 16 24 18 10 Rental expense representative of an interest factor. . . . . . . . . . . . . . . 26 26 25 20 20 ------ ------ ------ ------ ------ Total Fixed Charges. . . . . . . . . . . . . . . . . . . . . 94 96 102 102 121 ------ ------ ------ ------ ------ Total adjusted earnings available for payment of fixed charges. . . . . . . . . . . . . . . . $2,266 $2,045 $1,834 $1,631 $1,464 ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Ratio of earnings to fixed charges . . . . . . . . . . . . . 24.1 21.3 18.0 16.0 12.1 ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ NOTE: For the purpose of calculating this ratio, (i) earnings have been calculated by adjusting net earnings for taxes on earnings; interest expense; capitalized interest cost, net of amortization; minority interest; and the portion of rentals representative of the interest factor, (ii) the Company considers one-third of rental expense to be the amount representing return on capital, and (iii) fixed charges comprise total interest expense, including capitalized interest and such portion of rentals.