EXHIBIT 12 Abbott Laboratories and Subsidiaries CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (Unaudited) (dollars in millions except ratios) Year Ended December 31 --------------------------------------------- 1998 1997 1996 1995 1994 ---- ---- ---- ---- ---- Net Earnings . . . . . . . . . . . . . . . . . . . . . $2,333 $2,094 $1,882 $1,689 $1,517 Add (deduct): Income taxes . . . . . . . . . . . . . . . . . . . . . 907 855 788 706 650 Capitalized interest cost, net of amortization . . . . 1 (1) (4) (7) (7) Equity in earnings of 20% -49% owned companies, less dividends received. . . . . . . . . . . . . . . . 0 0 0 2 0 Minority interest. . . . . . . . . . . . . . . . . . . 7 11 16 18 12 ------ ------ ------ ------ ------ Net earnings as adjusted . . . . . . . . . . . . . . . $3,248 $2,959 $2,682 $2,408 $2,172 ------ ------ ------ ------ ------ Fixed Charges: Interest on long-term and short-term debt. . . . . . . $160 $135 $95 $70 $50 Capitalized interest cost. . . . . . . . . . . . . . . 14 14 16 19 18 Rental expense representative of an interest factor. . 40 29 26 26 26 ------ ------ ------ ------ ------ Total Fixed Charges. . . . . . . . . . . . . . . . . . 214 178 137 115 94 ------ ------ ------ ------ ------ Total adjusted earnings available for payment of fixed charges . . . . . . . . . . . . . . . $3,462 $3,137 $2,819 $2,523 $2,266 ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Ratio of earnings to fixed charges . . . . . . . . . . 16.2 17.6 20.6 21.9 24.1 ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ 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.