1 EXHIBIT 12.1 PARKER DRILLING COMPANY AND SUBSIDIARIES RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) FOUR MONTHS YEAR ENDED ENDED YEAR ENDED AUGUST 31, DECEMBER 31, DECEMBER 31, ----------------------------------------------- 1999 1998 1998 1997 1996 1995 ------------ ------------ -------- -------- -------- -------- Earnings: Income (Loss) from Continuing Operations per Statements of Income ........................... $(37,897) $(14,633) $ 28,092 $ 16,315 $ 4,053 $ 3,916 Add: Interest and Debt Expense ........... $ 55,842 $ 17,301 $ 49,299 $ 32,864 $ 135 $ 88 Income Taxes (Benefit) .............. $ (2,680) $ (1,635) $ 16,435 $ 7,241 $ 4,514 $ 3,184 Income as Adjusted ...................... $ 15,265 $ 1,033 $ 93,826 $ 56,420 $ 8,702 $ 7,188 Fixed Charges-- Interest and Debt Expense per Statements of Income (Includes Amortization of Debt Discount and Expense and Capitalized Interest) ... $ 58,665 $ 18,964 $ 52,756 $ 33,051 $ 135 $ 88 Ratio of Earnings to Fixed Charges ........... .26 .05 1.78 1.71 64.46 81.68