EXHIBIT 12 Abbott Laboratories and Subsidiaries CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (Unaudited) (dollars in millions except ratios) Year Ended December 31 ----------------------------------------------------- 2000 1999 1998 1997 1996 ------ ------ ------ ------ ------ Net Earnings $2,786 $2,446 $2,334 $2,079 $1,874 Add (deduct): Income taxes 1,030 951 908 856 788 Capitalized interest cost, net of amortization (3) (1) 1 (1) (4) Minority interest 8 8 7 11 16 ------ ------ ------ ------ ------ Net earnings as adjusted $3,821 $3,404 $3,250 $2,945 $2,674 ------ ------ ------ ------ ------ Fixed Charges: Interest on long-term and short-term debt $ 114 $ 145 $ 160 $ 135 $ 96 Capitalized interest cost 18 13 14 14 16 Rental expense representative of an interest factor 48 44 40 29 26 ------ ------ ------ ------ ------ Total Fixed Charges 180 202 214 178 138 ------ ------ ------ ------ ------ Total adjusted earnings available for payment of fixed charges $4,001 $3,606 $3,464 $3,123 $2,812 ====== ====== ====== ====== ====== Ratio of earnings to fixed charges 22.2 17.9 16.2 17.5 20.4 ====== ====== ====== ====== ====== 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.