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 1998 1997 1996 1995 1994 - -------------------------------------------------------------------------------------------------------------------------------- Earnings from continuing operations $ 130 $ 669 $ 456 $ 249 $ 110 Provision for income taxes 175 102 302 226 161 - -------------------------------------------------------------------------------------------------------------------------------- Earnings subtotal (a) 305 771 758 475 271 Fixed charges included in earnings: Interest expense 177 183 279 291 275 Distribution on convertible preferred securities 33 33 10 - - Interest portion of rentals (b) 20 23 40 41 50 - -------------------------------------------------------------------------------------------------------------------------------- Fixed charges subtotal 230 239 329 332 325 Earnings from continuing operations available before fixed charges $ 535 $1,010 $1,087 $ 807 $ 596 - -------------------------------------------------------------------------------------------------------------------------------- Fixed charges: Fixed charges included in earnings 230 239 329 332 325 Capitalized interest 26 35 15 35 30 Preferred stock dividends, pre-tax basis - - 29 58 58 - -------------------------------------------------------------------------------------------------------------------------------- Total fixed charges $ 256 $ 274 $ 373 $ 425 $ 413 - -------------------------------------------------------------------------------------------------------------------------------- Ratio of earnings from continuing operations to fixed charges 2.1 3.7 2.9 1.9 1.4 - -------------------------------------------------------------------------------------------------------------------------------- (a) Includes pre-tax impairment of: 102 69 75 105 71 The ratio of earnings, excluding impairment, to fixed charges would be: 2.5 3.9 3.1 2.1 1.6 (b) Calculated as one-third of operating rental expense.