Exhibit 12 E. I. DU PONT DE NEMOURS AND COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Dollars in millions) Years Ended December 31 ----------------------------------------------------------- 2002 2001 2000 1999 1998 ------- ------- ------- ------- ------- Income from Continuing Operations Before Extraordinary Item and Cumulative Effect of a Change In Accounting Principle .............. $1,841 $4,328(a) $2,314 $ 219 $1,648 Provision for Income Taxes ..................... 185 2,467 1,072 1,410 941 Minority Interests in Earnings of Consolidated Subsidiaries ................................ 98 49 61 61 24 Adjustment for Companies Accounted for by the Equity Method ....................... 45 93 (109) 33 (39) Capitalized Interest ........................... (45) (62) (69) (107) (120) Amortization of Capitalized Interest ........... 59 61 65 88(b) 65(b) ------- ------- ------- ------- ------- 2,183 6,936 3,334 1,704 2,519 ------- ------- ------- ------- ------- Fixed Charges: Interest and Debt Expense - Continuing Operations ............................... 359 590 810 535 520 Interest and Debt Expense - Discontinued Operations(c) ............................ -- -- -- 180 304 Capitalized Interest - Continuing Operations 45 62 69 107 120 Capitalized Interest - Discontinued Operations(c) ............................ -- -- -- 3 78 Rental Expense Representative of Interest Factor ................................... 82 78 70 66 71 ------- ------- ------- ------- ------- 486 730 949 891 1,093 ------- ------- ------- ------- ------- Total Adjusted Earnings Available for Payment of Fixed Charges ............................ $2,669 $7,666 $4,283 $2,595 $3,612 ======= ======= ======= ======= ======= Number of Times Fixed Charges are Earned ....... 5.5 10.5 4.5 2.9 3.3 ======= ======= ======= ======= ======= - ------------------- (a) Includes $3,866 after-tax gain on the sale of DuPont Pharmaceuticals to Bristol-Myers Squibb. (b) Includes write-off of capitalized interest associated with divested businesses. (c) Divestiture of Conoco Inc. was completed August 6, 1999.