EXHIBIT 11.2 UNOCAL CORPORATION AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE ASSUMING FULL DILUTION For Three Months For the Nine Months Ended September 30 Ended September 30 ----------------------------------------------- Dollars and shares in thousands, except per share amounts 1997 1996 1997 1996 - ------------------------------------------------------------------------------------------------------------------- Earnings from continuing operations per share assuming full dilution Earnings from continuing operations ............................. $ 176,856 $ 133,518 $ 520,966 $ 452,815 Distribution on convertible preferred securities (net of tax) ... 5,952 1,720 17,858 1,720 Non-cash charge related to exchange of preferred stock .......... -- (54,246) -- (54,246) ----------------------------------------------- Earnings from continuing operations applicable to common stock ................................. 182,808 80,992 538,824 400,289 Weighted average common stock outstanding ....................... 247,367 248,668 249,153 248,211 Dilutive common stock equivalents ............................... 2,444 2,162 2,342 1,917 Conversion of preferred stock ................................... -- 431 -- 431 Conversion of preferred securities (a) .......................... 12,262 12,264 12,262 12,264 ----------------------------------------------- Weighted average common stock and stock equivalents outstanding ............................... 262,073 263,525 263,757 262,823 ----------------------------------------------- Earnings from continuing operations per common share ...................................... $ 0.70 $ 0.31 $ 2.04 $ 1.52 ----------------------------------------------- Earnings (loss) from discontinued operations per share assuming full dilution Earnings (loss) applicable to common stock ...................... $ -- $ 37,247 $ (44,243) $ 80,091 Weighted average common stock outstanding ....................... 247,367 248,668 249,153 248,211 Dilutive common stock equivalents ............................... 2,444 2,162 2,342 1,917 Conversion of preferred stock ................................... -- 431 -- 431 Conversion of preferred securities (a) .......................... 12,262 12,264 12,262 12,264 ----------------------------------------------- Weighted average common stock and stock equivalents outstanding ............................... 262,073 263,525 263,757 262,823 ----------------------------------------------- Earnings (loss) from discontinued operations per common share ...................................... $ -- $ 0.14 $ (0.17) $ 0.31 ----------------------------------------------- Loss from extraordinary item per share assuming full dilution Early extinguishment of debt ................................. $ -- $ -- $ (37,820) $ -- Weighted average common stock outstanding ....................... 247,367 248,668 249,153 248,211 Dilutive common stock equivalents ............................... 2,444 2,162 2,342 1,917 Conversion of preferred stock ................................... -- 431 -- 431 Conversion of preferred securities (a) ......................... 12,262 12,264 12,262 12,264 ----------------------------------------------- Weighted average common stock and stock equivalents outstanding ............................... 262,073 263,525 263,757 262,823 ----------------------------------------------- Loss from extraordinary item per common share ...................................... $ -- $ -- $ (0.14) $ -- ----------------------------------------------- Net earnings per common share Assuming full dilution .............................. $ 0.70 $ 0.45 $ 1.73 $ 1.83 ----------------------------------------------- <FN> (a) The effect of assumed conversion of preferred stock is antidilutive for the nine months ended September 30, 1997. </FN>