EXHIBIT 12.1 BURLINGTON NORTHERN SANTA FE CORPORATION and SUBSIDIARIES COMPUTATION of RATIO of EARNINGS to FIXED CHARGES (In Millions, Except Ratio Amounts) (Unaudited) Three Months Ended March 31, ------------------------- 2001 2000 ------- ------- Earnings: Pre-tax income $ 226 $ 391 Add: Interest and fixed charges, excluding capitalized interest 120 104 Portion of rent under long-term operating leases representative of an interest factor 48 43 Distributed income of investees accounted for under the equity method 2 43 Amortization of capitalized interest 2 1 Less: Undistributed equity in earnings of investments accounted for under the equity method 7 3 ------- ------- Total earnings available for fixed charges $ 391 $ 579 ======= ======= Fixed charges: Interest and fixed charges $ 123 $ 106 Portion of rent under long-term operating leases representative of an interest factor 48 43 ------- ------- Total fixed charges $ 171 $ 149 ======= ======= Ratio of earnings to fixed charges 2.29x 3.89x