EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS FOR NINE MONTHS ENDED SEPTEMBER 30: (UNAUDITED) (Dollars in millions) 1996 1995 -------- -------- Earnings before income taxes(1) $ 5,706 $ 5,286 Add: Fixed charges, excluding capitalized interest 1,450 1,513 -------- -------- Earnings as adjusted $ 7,156 $ 6,799 ======== ======== Fixed charges: Interest expense 1,153 1,209 Capitalized interest 24 16 Portion of rental expense representative of interest 297 304 -------- -------- Total fixed charges $ 1,474 $ 1,529 ======== ======== Preferred stock dividends(2) 25 32 -------- -------- Combined fixed charges and preferred stock dividends $ 1,499 $ 1,561 ======== ======== Ratio of earnings to fixed charges 4.85 4.45 Ratio of earnings to combined fixed charges and preferred stock dividends 4.78 4.36 (1) Earnings before income taxes excludes the company's share in the income and losses of less-than-fifty percent-owned affiliates. (2) The company reported preferred stock dividends and transaction costs of $15 million and $57 million for the nine months ended September 30, 1996 and 1995, respectively. Excluded from the ratio computation for the nine months ended September 30, 1995 are transaction costs of $42 million relating to the repurchase of Series A 7 1/2 percent preferred stock depositary shares. Included are preferred stock dividends of $15 million, for the nine months ended September 30, 1996 and 1995 or $25 million and $32 million representing the pre-tax earnings which would be required to cover such dividend requirements based on the company's effective income tax rate for the nine months ended September 30, 1996 and 1995, respectively. - 18 -