EXHIBIT (12) COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES --------------------------------------------------- Millions of Dollars Years Ended June 30 ------------------------------------------------- 1990 1991 1992 1993 1994 ------ ------ ------ ------ ------ EARNINGS AS DEFINED - - ------------------- Earnings from operations before income taxes after eliminating undistributed earnings of 20% to 50% owned affiliates $2,401 $2,652 $2,870 $ 294 $3,307 Fixed charges excluding capitalized interest 480 435 584 631 569 -------- -------- -------- -------- -------- TOTAL EARNINGS, AS DEFINED $2,881 $3,087 $3,454 $ 925 $3,876 ====== ====== ====== ====== ====== FIXED CHARGES, AS DEFINED - - ------------------------- Interest expense $ 442 $ 395 $ 510 $ 552 $ 482 1/3 of rental expense 38 40 74 79 87 ------- ------- ------- ------- ------- 480 435 584 $ 631 $ 569 Capitalized interest 3 17 25 25 19 ------- ------- ------- ------- ------- TOTAL FIXED CHARGES, AS DEFINED $ 483 $ 452 $ 609 $ 656 $ 588 ====== ====== ====== ====== ====== RATIO OF EARNINGS TO FIXED CHARGES 6.0 6.8 5.7 1.4 6.6