Exhibit 11.1 Ball Corporation and Subsidiaries STATEMENT RE: COMPUTATION OF EARNINGS PER SHARE (Millions of dollars except per share amounts) Three months ended Nine months ended ------------------ -------------------- Oct. 2, Oct. 3, Oct. 2, Oct. 3, 1994 1993 1994 1993 ------- ------- ------- --------- Earnings per Common Share - Assuming No Dilution - ------------------------- Net income from: Continuing operations $ 23.3 $ 3.8 $ 51.0 $ 26.2 Alltrista operations -- -- -- 2.1 ------- ------- ------- ------ Net income before cumulative effect of changes in accounting principles 23.3 3.8 51.0 28.3 Cumulative effect of changes in accounting principles, net of tax -- -- -- (34.7) ------- ------- ------- ------ Net income (loss) 23.3 3.8 51.0 (6.4) Preferred dividends, net of tax (0.8) (0.8) (2.4) (2.4) ------- ------- ------- ------ Net earnings (loss) attributable to common shareholders $ 22.5 $ 3.0 $ 48.6 $ (8.8) ======= ======= ======= ====== Weighted average number of common shares outstanding (000s) 29,742 29,341 29,618 28,493 ======= ======= ======= ====== Earnings (loss) per share of common stock: Continuing operations $ 0.76 $ 0.10 $ 1.64 $ 0.84 Alltrista operations -- -- -- 0.07 Cumulative effect of changes in accounting principles, net of tax -- -- -- (1.22) ------- ------- ------- ------ $ 0.76 $ 0.10 $ 1.64 $ (0.31) ======= ======= ======= ====== Earnings per Share - Assuming Full Dilution - ------------------------------------------- Net income (loss) $ 23.3 $ 3.8 $ 51.0 $ (6.4) Series B ESOP Preferred dividend, net of tax -- (0.8) -- (2.4) Adjustments for deemed ESOP cash contribution in lieu of Series B ESOP Preferred dividend (0.6) * (1.8) * ------- ------- ------- ------ Net earnings (loss) attributable to common shareholders $ 22.7 $ 3.0 $ 49.2 $ (8.8) ======= ======= ======= ====== Weighted average number of common shares outstanding (000s) 29,742 29,341 29,618 28,493 Dilutive effect of stock options 133 205 139 283 Common shares issuable upon conversion of Series B ESOP Preferred stock 2,139 * 2,145 * ------- ------- ------- ------ Weighted average number shares applicable to fully diluted earnings per share 32,014 29,546 31,902 28,776 ======= ======= ======= ====== Fully diluted earnings (loss) per share: Continuing operations $ 0.71 $ 0.10 $ 1.54 $ 0.83 Alltrista operations -- -- -- 0.07 Cumulative effect of changes in accounting principles, net of tax -- -- -- (1.21) ------- ------- ------- ------ $ 0.71 $ 0.10 $ 1.54 $ (0.31) ======= ======= ======= ====== * No conversion of the Series B ESOP Convertible Preferred Stock is assumed as the effect is antidilutive.