Exhibit 99(a) CNF TRANSPORTATION INC. COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (Dollars in thousands) Three Months Ended March 31, 1999 1998 Fixed Charges: Interest Expense $ 7,126 $ 8,532 Capitalized Interest 1,129 490 Dividend Requirement on Series B Preferred Stock [1] 3,063 3,003 Interest Component of Rental Expense [2] 12,684 9,863 $ 24,002 $ 21,888 Earnings: Income before Taxes $ 74,861 $ 34,077 Fixed Charges 24,002 21,888 Capitalized Interest (1,129) (490) Preferred Dividend Requirements [3] (3,063) (3,003) $ 94,671 $ 52,472 Ratio of Earnings to Fixed Charges: 3.9x 2.4x [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 fixed charges but not deducted in the determination of Income before Taxes.