EXHIBIT 12.1 PARKER DRILLING COMPANY RATIO OF EARNINGS TO FIXED CHARGES (Dollars in Thousands Except Rations) Nine Months Ended September 30, ------------------------------- 2002 2003 ------------- ------------ Pretax income (loss) from continuing operations before minority interest & income (loss) from equity investees $(18,834) $(24,122) Interest expense 36,894 38,569 Amortization of debt expense, discount and premium 1,515 1,332 Amortization of capitalized interest 392 395 Interest portion of rentals (a) 692 828 -------- -------- Earnings $ 20,659 $ 17,002 ======== ======== Interest expense 36,894 38,569 Amortization of debt expense, discount and premium 1,515 1,332 Interest portion of rentals (a) 692 828 -------- -------- Fixed charges $ 39,101 $ 40,729 ======== ======== Ratio of earnings to fixed charges 0.5x 0.4x ======== ======== (a) - Interest portion of rentals is a reasonable approximation of the interest factor