1 EXHIBIT 12.1 PARKER & PARSLEY PETROLEUM COMPANY RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS PRO FORMA PRO FORMA ------------ ---------- NINE MONTHS NINE MONTHS YEAR ENDED DECEMBER 31, NINE MONTHS YEAR ENDED ENDED ENDED -------------------------------------------------- ENDED DECEMBER 31, SEP. 30, 1997 SEP. 30, 1996 1996 1995 1994 1993 1992 SEP. 30, 1997 1996 ----------------------------- ---------------------------------------------------------------------------- PRETAX EARNINGS 23,478 163,031 200,348 (150,007) (20,491) 48,403 30,146 (35,076) 78,808 ----------------------------- ---------------------------------------------------------------------------- ADJUSTMENTS: ADD FIXED CHARGES AND PREFERRED STOCK DIVIDENDS: INTEREST: EXPENSED 44,264 36,105 46,155 65,449 50,552 23,338 14,708 106,406 138,580 CAPITALIZED 0 0 0 0 0 733 0 157 RENTAL EXPENSE ATTRIBUTABLE TO INTEREST 724 724 965 1,200 500 567 367 724 965 PREFERRED STOCK DIVIDENDS OF SUBSIDIARY 0 0 0 0 0 0 0 0 0 PREFERRED STOCK DIVIDENDS OF THE COMPANY 0 0 0 0 0 0 0 0 0 ----------------------------- ---------------------------------------------------------------------------- TOTAL FIXED CHARGES AND PREFERRED STOCK DIVIDENDS 44,988 36,829 47,120 66,649 51,052 23,905 15,808 107,130 139,702 ----------------------------- ---------------------------------------------------------------------------- DEDUCT: INTEREST CAPITALIZED 0 0 0 0 0 0 733 0 157 PREFERRED STOCK DIVIDENDS OF SUBSIDIARY 0 0 0 0 0 0 0 0 0 ----------------------------- ---------------------------------------------------------------------------- TOTAL DEDUCTS 0 0 0 0 0 0 733 0 157 ----------------------------- ---------------------------------------------------------------------------- ----------------------------- ---------------------------------------------------------------------------- ADJUSTED EARNINGS 68,466 199,860 247,468 (83,358) 30,561 72,306 45,221 72,054 218,353 ============================= ============================================================================ RATIO OF EARNINGS TO FIXED CHARGES 1.52 5.43 5.25 (1.25) 0.60 3.02 2.86 0.67 1.56 RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (C) 1.52 5.43 5.25 (1.25) 0.60 3.02 2.86 0.67 1.56 ============================= ============================================================================ RATIO OF EARNINGS TO FIXED CHARGES DISCLOSURE 1.5 5.4 5.3 (b) (b) 3.0 2.9 (b) 1.6 DEFICIENCY, IF ANY 150,007 20,491 35,076 - ----------- (A) FOR PURPOSES OF COMPUTING SUCH RATIO, ADJUSTED EARNINGS CONSIST OF INCOME BEFORE INCOME TAXES AND CUMULATIVE EFFECT OF ACCOUNTING CHANGE PLUS FIXED CHARGES AND PREFERRED STOCK DIVIDENDS, NET OF PREFERRED STOCK DIVIDENDS OF SUBSIDIARY AND INTEREST CAPITALIZED. FIXED CHARGES AND PREFERRED STOCK DIVIDENDS CONSIST OF INTEREST EXPENSE, INTEREST CAPITALIZED, THE PORTION OF RENTAL EXPENSE ATTRIBUTABLE TO INTEREST, PREFERRED STOCK DIVIDENDS OF SUBSIDIARY AND PREFERRED STOCK DIVIDENDS OF THE COMPANY. THE DIVIDENDS ON THE MIPS ARE RECORDED AS INTEREST EXPENSE FOR FINANCIAL REPORTING PURPOSES. (B) THE RATIO INDICATES A LESS THAN ONE-TO-ONE COVERAGE BECAUSE THE EARNINGS ARE INADEQUATE TO COVER THE FIXED CHARGES FOR THE PERIOD. PRO FORMA COMBINED EARNINGS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1997, AND THE COMPANY'S HISTORICAL EARNINGS FOR THE YEARS ENDED DECEMBER 31, 1995 AND 1994, WERE INSUFFICIENT TO COVER ITS FIXED CHARGES. THE AMOUNTS OF THE DEFICIENCIES WERE $27.6 MILLION, $150 MILLION AND $20.5 MILLION, RESPECTIVELY. (C) FOR PURPOSES OF COMPUTING THE RATIO, ADJUSTED EARNINGS CONSIST OF INCOME BEFORE INCOME TAXES AND CUMULATIVE EFFECT OF ACCOUNTING CHANGE PLUS FIXED CHARGES AND PREFERRED STOCK DIVIDENDS, NET OF PREFERRED STOCK DIVIDENDS OF SUBSIDIARY AND INTEREST CAPITALIZED, AND FIXED CHARGES AND PREFERRED STOCK DIVIDENDS CONSIST OF INTEREST EXPENSE, INTEREST CAPITALIZED, THE PORTION OF RENTAL EXPENSE ATTRIBUTABLE TO INTEREST, PREFERRED STOCK DIVIDENDS OF SUBSIDIARY, AND PREFERRED STOCK DIVIDENDS. THE DIVIDENDS ON THE 6 1/4% CUMULATIVE GUARANTEED MONTHLY INCOME CONVERTIBLE PREFERRED SHARES OF PARKER & PARSLEY CAPITAL LLC, A SUBSIDIARY OF PARKER & PARSLEY, WERE RECORDED AS INTEREST EXPENSE FOR FINANCIAL REPORTING PURPOSES UNTIL THOSE SHARES WERE CONVERTED INTO COMMON STOCK OF PARKER & PARSLEY ON JULY 28, 1997.