Exhibit 12.1 Hanover Compressor Company Computation of Ratio of Earnings to Fixed Charges (Amounts in thousands of dollars) Year Ended December 31, ----------------------------------------- 2001 2000 1999 1998 1997 -------- -------- ------- ------- ------- Earnings: Income before taxes...................................... $117,410 $ 81,471 $63,586 $49,636 $28,685 Add: Interest on indebtedness and amortization of debt expense and discount(1)........................................ 23,913 15,054 9,064 11,716 10,728 Leasing expense and the estimated interest factor attributable to rents.................................. 71,384 46,132 22,486 6,310 113 Equity in losses of joint ventures....................... -- -- -- 137 342 -------- -------- ------- ------- ------- Earnings as adjusted.................................... $212,707 $142,657 $95,136 $67,799 $39,868 -------- -------- ------- ------- ------- Fixed charges: Interest on indebtedness, amortization of debt expense and discount and capitalized interest(1)............... $ 26,663 $ 16,589 $10,597 $11,716 $10,728 Leasing expense and the estimated interest factor attributable to rents.................................. 71,384 46,132 22,486 6,310 113 -------- -------- ------- ------- ------- Fixed charges........................................... $ 98,047 $ 62,721 $33,083 $18,026 $10,841 -------- -------- ------- ------- ------- Ratio of earnings to fixed charges....................... 2.17 2.27 2.88 3.76 3.68 ======== ======== ======= ======= ======= - -------- (1) Includes distributions on mandatorily redeemable convertible preferred securities. 1