Exhibit 12 J. B. Hunt Transport Services, Inc. Computation of Ratio of Earnings to Fixed Charges (in thousands, except ratio) For The Years Ended December 31 ----------------- Three Months 1993 1994 Ended March 31, 1995 ------- ------- -------------------- Earnings Earnings before income taxes and cumulative effect of change in accounting method ...... $64,826 $65,148 $ 7,762 Add: Interest expense ................... 13,800 19,748 5,976 ------- ------- ------- Earnings as adjusted ................. $78,626 $84,896 $13,738 ======= ======= ======= Ratio of earnings to fixed charges ................... 5.70 4.30 2.30 ======= ======= =======