EXHIBIT 12.2 UNOCAL CORPORATION AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Year Ended December 31 -------------------------------------------------------------------------- Millions of dollars 1996 1995 1994 1993 1992 - ----------------------------------------------------------------------------------------------------------------------------------- Earnings from continuing operations before cumulative effect of accounting change $ 456 $249 $110 $272 $168 Provision for income taxes 302 226 161 213 137 Minority interest - - - - 5 -------------------------------------------------------------------------- Earnings subtotal (a) 758 475 271 485 310 Fixed charges included in earnings: Interest expense 279 291 275 304 379 Distributions on convertible preferred securities 10 - - - - Interest portion of rentals (b) 40 41 50 55 61 -------------------------------------------------------------------------- Subtotal 329 332 325 359 440 Earnings from continuing operations available before fixed charges $1,087 $807 $596 $844 $750 -------------------------------------------------------------------------- Fixed charges: Fixed charges included in earnings 329 332 325 359 440 Capitalized interest 15 35 30 30 34 Preferred stock dividends, pre-tax basis 29 58 58 58 26 -------------------------------------------------------------------------- Total fixed charges and preferred stock dividends $ 373 $425 $413 $447 $500 Ratio of earnings from continuing operations to combined fixed charges and preferred stock dividends (a) 2.9 1.9 1.4 1.9 1.5 - ----------------------------------------------------------------------------------------------------------------------------------- (a) Includes pre-tax asset write downs of: $ 75 $105 $ 71 $ 19 $ 50 The ratio of earnings, excluding asset write downs, to fixed charges would be: 3.1 2.1 1.6 1.9 1.6 (b) Calculated as one-third of operating rental expense.