Exhibit 11 UAL Corporation and Subsidiary Companies Calculation of Fully Diluted Net Earnings Per Share (In Millions, Except Per Share) Three Months Nine Months Ended Ended September 30 September 30 1997 1996 1997 1996 ---- ---- ---- ---- Earnings: Earnings before preferred stock transactions, distributions on preferred securities and extraordinary item $ 580 $ 347 $ 930 $ 580 Preferred stock dividends (19) (15) (57) (47) Interest on convertible debentures - - - 3 ---- ---- ---- ---- Earnings before preferred stock transactions, distributions on preferred securities and extraordinary item for fully diluted calculation 561 332 873 536 Preferred stock transactions - - - (21) Distributions on preferred securities (1) - (4) - Extraordinary loss on early extinguishment of debt - (7) - (66) ---- ---- ---- ---- Net earnings for fully diluted calculation $ 560 $ 325 $ 869 $ 449 ==== ==== ==== ==== Shares: Average number of shares of common stock outstanding during the period 59.6 58.2 59.2 55.3 Additional shares assumed issued at the beginning of the period (or at the date of issuance) for conversion of preferred stock 37.3 25.6 34.4 22.5 Additional shares assumed issued at the beginning of the period for conversion of convertible debentures - - - 2.9 Additional shares assumed issued at the beginning of the period (or at the date of issuance) for exercises of dilutive stock options and stock award plans (after deducting shares assumed purchased under the treasury stock method) 2.9 2.6 2.7 2.4 ---- ---- ---- ---- Average number of shares for fully diluted calculation 99.8 86.4 96.3 83.1 ==== ==== ==== ==== Fully diluted per share amounts: Earnings before preferred stock transactions and extraordinary item $ 5.61 $ 3.85 $ 9.01 $ 6.45 Preferred stock transactions, net of tax - - - (0.25) Extraordinary loss on early extinguishment of debt, net of tax - (0.08) - (0.80) ---- ---- ---- ---- Net earnings $ 5.61 $ 3.77 $ 9.01 $ 5.40 ==== ==== ==== ====