1 EXHIBIT 12 J.B. HUNT TRANSPORT SERVICES, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) YEARS ENDED DECEMBER 31, SIX MONTHS --------------------------------------------------------- ENDED 1993 1994 1995 1996 1997 JUNE 30, 1998 ------- ------ ------ ------ ------ ------------- Earnings (loss) before income taxes $64,826 65,148 (3,445) 35,669 18,332 39,465 Less: Joint Venture Earnings -- -- 1,460 (176) (806) (1,837) Add: Fixed Charges 16,446 23,051 29,041 28,074 27,252 15,402 ------- ------ ------ ------ ------ ------ Earnings as adjusted $81,272 88,199 27,056 63,567 44,778 53,030 ======= ====== ====== ====== ====== ====== Fixed Charges - Interest expense 14,634 20,819 26,556 25,488 24,950 14,184 Representative interest associated with operating leases 1,812 2,232 2,485 2,586 2,302 1,218 ------- ------ ------ ------ ------ ------ Total Fixed Charges $16,446 23,051 29,041 28,074 27,252 15,402 ======= ====== ====== ====== ====== ====== Ratio of Earnings to Fixed Charges 4.94 3.83 (1) 2.26 1.64 3.44 ======= ====== ====== ====== ====== ====== (1) Earnings for 1995 were inadequate to cover fixed charges by approximately $2.0 million. 2 J.B. HUNT TRANSPORT SERVICES, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) PRO FORMA --------------------------------------------------- SIX MONTHS TWELVE MONTHS YEAR ENDED ENDED ENDED DECEMBER 31, 1997 JUNE 30, 1998 JUNE 30, 1998 ----------------- ------------- ------------- Earnings before income taxes $18,332 39,465 53,873 Less: Joint Venture Earnings (806) (1,837) (2,643) Add: Fixed Charges 27,252 15,402 28,670 ------- ------ ------ Earnings as adjusted $44,778 53,030 79,900 ======= ====== ====== Fixed Charges - Interest expense 26,299 14,829 27,623 Representative interest associated with operating leases 2,302 1,218 2,347 ------- ------ ------ Total Fixed Charges $28,601 16,047 29,970 ======= ====== ====== Ratio of Earnings to Fixed Charges 1.57 3.30 2.67 ======= ====== ======