EXHIBIT 11 UNION CARBIDE CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE FOR THE FIVE YEARS ENDED DECEMBER 31, 1996 (In millions of dollars except per share amounts) Year Ended December 31, 1996 1995 Earnings Per Share - Primary Income (loss) from continuing operations $ 593 $ 925 Less: Preferred stock dividend 13 13 Net income (loss) from continuing operations for primary income calculation 580 912 Income from discontinued operations - - Cumulative effect of accounting changes - - Net income (loss) - common stockholders $ 580 $ 912 Weighted average number of common and common equivalent shares applicable to primary earnings per share calculation Weighted average number of shares outstanding 131,029,621 137,219,676 Dilutive effect of stock options 4,492,283 4,443,980 135.521.904 141,663,656 Earnings per share - primary Income (loss) from continuing operations $ 4.28 $ 6.44 Discontinued operations - - Cumulative effect of accounting changes - - Net income (loss) - common stockholders $ 4.28 $ 6.44 Earnings Per Share Assuming Full Dilution Income (loss) from continuing operations $ 593 $ 925 Plus: Interest on convertible debentures (net of taxes) - - Less: Additional ESOP contribution resulting from assumed conversion of preferred stock 1 1 Income (loss) from continuing operations for fully diluted income calculation 592 924 Income from discontinued operations - - Cumulative effect of accounting changes - - Net income (loss) for fully diluted income calculation $ 592 $ 924 Weighted average number of common and common equivalent shares applicable to fully diluted earnings per share calculation Weighted average number of shares outstanding 131,029,621 137,219,676 Dilutive effect of stock options 4,492,283 4,819,502 Shares issuable upon conversion of UCC convertible debentures - - Shares issuable upon conversion of UCC convertible preferred stock 16,120,754 16,341,367 151,642,658 158,380,545 Per share assuming full dilution Income (loss) from continuing operations $ 3.90 $ 5.83 Discontinued operations - - Cumulative effect of accounting changes - - Net income (loss) $ 3.90 $ 5.83 <FN> * Fully diluted per share amounts are not presented in the consolidated statements of income where amounts are antidilutive. Fully diluted per share amounts are shown equal to primary per share amounts in the Selected Financial Data on pages 20 through 21 of the 1996 annual report to stockholders where amounts are antidilutive. UNION CARBIDE CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE FOR THE FIVE YEARS ENDED DECEMBER 31, 1996 (In millions of dollars except per share amounts) Year Ended December 31, 1994 1993 Earnings Per Share - Primary Income (loss) from continuing operations $ 389 $ 165 Less: Preferred stock dividend 13 13 Net income (loss) from continuing operations for primary income calculation 376 152 Income from discontinued operations - - Cumulative effect of accounting changes - (97) Net income (loss) - common stockholders $ 376 $ 55 Weighted average number of common and common equivalent shares applicable to primary earnings per share calculation Weighted average number of shares outstanding 149,904,755 147,821,255 Dilutive effect of stock options 4,270,033 3,549,905 154,174,788 151,371,160 Earnings per share - primary Income (loss) from continuing operations $ 2.44 $ 1.00 Discontinued operations - - Cumulative effect of accounting changes - (0.64) Net income (loss) - common stockholders $ 2.44 $ 0.36 Earnings Per Share Assuming Full Dilution Income (loss) from continuing operations $ 389 $ 165 Plus: Interest on convertible debentures (net of taxes) - 4 Less: Additional ESOP contribution resulting from assumed conversion of preferred stock 1 1 Income (loss) from continuing operations for fully diluted income calculation 388 168 Income from discontinued operations - - Cumulative effect of accounting changes - (97) Net income (loss) for fully diluted income calculation $ 388 $ 71 Weighted average number of common and common equivalent shares applicable to fully diluted earnings per share calculation Weighted average number of shares outstanding 149,904,755 147,821,255 Dilutive effect of stock options 4,439,006 4,244,866 Shares issuable upon conversion of UCC convertible debentures - 4,482,931 Shares issuable upon conversion of UCC convertible preferred stock 16,542,644 16,796,109 170,886,405 173,345,161 Per share assuming full dilution Income (loss) from continuing operations $ 2.27 $ 0.97 Discontinued operations - - Cumulative effect of accounting changes - (0.56) Net income (loss) $ 2.27 $ 0.41 * <FN> * Fully diluted per share amounts are not presented in the consolidated statements of income where amounts are antidilutive. Fully diluted per share amounts are shown equal to primary per share amounts in the Selected Financial Data on pages 20 through 21 of the 1996 annual report to stockholders where amounts are antidilutive. UNION CARBIDE CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE FOR THE FIVE YEARS ENDED DECEMBER 31, 1996 (In millions of dollars except per share amounts) Year Ended December 31, 1992 Earnings Per Share - Primary Income (loss) from continuing operations $ 119 Less: Preferred stock dividend 17 Net income (loss) from continuing operations for primary income calculation 102 Income from discontinued operations 67 Cumulative effect of accounting changes (361) Net income (loss) - common stockholders $ (192) Weighted average number of common and common equivalent shares applicable to primary earnings per share calculation Weighted average number of shares outstanding 129,723,738 Dilutive effect of stock options 2,625,735 132,349,473 Earnings per share - primary Income (loss) from continuing operations $ 0.76 Discontinued operations 0.51 Cumulative effect of accounting changes (2.73) Net income (loss) - common stockholders $(1.46) Earnings Per Share Assuming Full Dilution Income (loss) from continuing operations $ 119 Plus: Interest on convertible debentures (net of taxes) 17 Less: Additional ESOP contribution resulting from assumed conversion of preferred stock 7 Income (loss) from continuing operations for fully diluted income calculation 129 Income from discontinued operations 67 Cumulative effect of accounting changes (361) Net income (loss) for fully diluted income calculation $ (165) Weighted average number of common and common equivalent shares applicable to fully diluted earnings per share calculation Weighted average number of shares outstanding 129,723,738 Dilutive effect of stock options 4,038,716 Shares issuable upon conversion of UCC convertible debentures 15,774,784 Shares issuable upon conversion of UCC convertible preferred stock 14,655,935 164,193,173 Per share assuming full dilution Income (loss) from continuing operations $ 0.78 Discontinued operations 0.41 Cumulative effect of accounting changes (2.20) Net income (loss) $(1.01)* <FN> * Fully diluted per share amounts are not presented in the consolidated statements of income where amounts are antidilutive. Fully diluted per share amounts are shown equal to primary per share amounts in the Selected Financial Data on pages 20 through 21 of the 1996 annual report to stockholders where amounts are antidilutive.