Exhibit 99(a) CNF TRANSPORTATION INC. COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (Dollars in thousands) Six Months Ended June 30, 2000 1999 Fixed Charges: Interest Expense $ 14,281 $ 14,478 Capitalized Interest 2,767 2,508 Dividend Requirement on Series B Preferred Stock [1] 5,433 5,556 Interest Component of Rental Expense [2] 27,179 25,406 $ 49,660 $ 47,948 Earnings: Income before Taxes $ 148,379 $ 161,204 Fixed Charges 49,660 47,948 Capitalized Interest (2,767) (2,508) Preferred Dividend Requirements [3] (5,433) (5,556) $ 189,839 $ 201,088 Ratio of Earnings to Fixed Charges: 3.8 x 4.2 x [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.