Exhibit 11.1 Ball Corporation and Subsidiaries STATEMENT RE: COMPUTATION OF EARNINGS PER SHARE (Millions of dollars except per share amounts) March 30, March 31, 1997 1996 ------------------ ------------------ Earnings (loss) per Common Share - Assuming No Dilution Net income (loss) from: Continuing operations $ 7.0 $ 6.8 Discontinued operations -- (1.3) ------------------ ------------------ Net income 7.0 5.5 Preferred dividends, net of tax (0.7) (0.8) ------------------ ------------------ Net earnings available to common shareholders $ 6.3 $ 4.7 ================== ================== Weighted average number of common shares outstanding (000s) 30,447 30,067 ================== ================== Earnings (loss) per share of common stock: Continuing operations $ 0.21 $ 0.20 Discontinued operations -- (0.04) ------------------ ------------------ $ 0.21 $ 0.16 ================== ================== Earnings (loss) per Share - Assuming Full Dilution Net income (loss) from: Continuing operations $ 7.0 $ 6.8 Discontinued operations -- (1.3) ------------------ ------------------ Net income 7.0 5.5 Adjustments for deemed ESOP cash contribution in lieu of Series B ESOP Preferred dividend (0.5) (0.6) ------------------ ------------------ Net earnings attributable to common shareholders $ 6.5 $ 4.9 ================== ================== Weighted average number of common shares outstanding (000s) 30,447 30,067 Dilutive effect of stock options 33 128 Common shares issuable upon conversion of Series B ESOP Preferred stock 1,938 2,059 ------------------ ------------------ Weighted average number shares applicable to fully diluted earnings per share 32,418 32,254 ================== ================== Fully diluted earnings (loss) per share: Continuing operations $ 0.20 $ 0.19 Discontinued operations -- (0.04) ------------------ ------------------ $ 0.20 $ 0.15 ================== ==================