EXHIBIT 12 ABBOTT LABORATORIES CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (Unaudited) (Millions of Dollars) SIX MONTHS ENDED JUNE 30, 1996 ---------------- Net Earnings $ 951 Add (deduct): Income taxes 398 Minority interest 8 -------- Net earnings as adjusted $ 1,357 -------- Fixed Charges: Interest on long-term and short-term debt 40 Capitalized interest cost 6 Rental expense representative of an interest factor 13 -------- Total Fixed Charges 59 -------- Total adjusted earnings available for payment of fixed charges $ 1,416 -------- -------- Ratio of earnings to fixed charges 24.0 -------- -------- 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.