EXHIBIT 11 NATIONAL WESTERN LIFE INSURANCE COMPANY AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE For the Three Months Ended June 30, 1998 and 1997 (Unaudited) (In Thousands Except Per Share Data) 1998 1997 Numerator for basic and diluted earnings per share: Earnings available to common stockholders before and after assumed conversions: Net earnings $ 12,270 11,798 Denominator: Basic earnings per share - weighted-average shares 3,494 3,491 Effect of dilutive stock options 37 28 Diluted earnings per share - adjusted weighted-average shares for assumed conversions 3,531 3,519 Basic earnings per share: Net earnings $ 3.51 3.38 Diluted earnings per share: Net earnings $ 3.48 3.35 EXHIBIT 11 NATIONAL WESTERN LIFE INSURANCE COMPANY AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE For the Six Months Ended June 30, 1998 and 1997 (Unaudited) (In Thousands Except Per Share Data) 1998 1997 Numerator for basic and diluted earnings per share: Earnings available to common stockholders before and after assumed conversions: Earnings from continuing operations $ 22,640 18,550 Losses from discontinued operations - (1,000) Net earnings $ 22,640 17,550 Denominator: Basic earnings per share - weighted-average shares 3,493 3,491 Effect of dilutive stock options 35 28 Diluted earnings per share - adjusted weighted-average shares for assumed conversions 3,528 3,519 Basic earnings per share: Earnings from continuing operations $ 6.48 5.32 Losses from discontinued operations - (0.29) Net earnings $ 6.48 5.03 Diluted earnings per share: Earnings from continuing operations $ 6.42 5.27 Losses from discontinued operations - (0.28) Net earnings $ 6.42 4.99