Exhibit 12(a) CNF TRANSPORTATION INC. COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES Year Ended December 31, 1998 1997 1996 1995 1994 (dollars in thousands) Fixed Charges Interest expense $ 32,627 $ 39,553 $ 39,766 $ 33,407 $ 27,065 Capitalized interest 2,342 2,077 2,092 731 793 Dividend requirement on Series B Preferred Stock(1) 12,133 12,377 12,645 12,419 12,475 Interest component of rental expense (2) 40,750 35,607 28,521 29,210 28,776 Fixed Charges $ 87,852 $ 89,614 $ 83,024 $ 75,767 $ 69,109 Earnings: Income from continuing operations before taxes $ 250,411 $ 221,814 $ 147,132 $ 152,942 $ 165,129 Fixed charges 87,852 89,614 83,024 75,767 69,109 Capitalized interest (2,342) (2,077) (2,092) (731) (793) Preferred dividend requirements(3) (12,133) (12,377) (12,645) (12,419) (12,475) $ 323,788 $ 296,974 $ 215,419 $ 215,559 $ 220,970 Ratio 3.7x 3.3x 2.6x 2.8x 3.2x <FN> (1) Dividends on shares of the Series B cumulative convertible preferred stock are used to pay debt service on notes issued by the Company's Thrift and Stock Plan. (2) Estimate of the interest portion of lease payments. (3) Preferred stock dividend requirements included in combined fixed charges but not deducted in the determination of Income from Continuing Operations Before Income Taxes.