Exhibit 11 THE COOPER COMPANIES, INC. AND SUBSIDIARIES Calculation of Earnings Per Share Years Ended October 31, --------------------------------- 1997 1996 1995 ---- ---- ---- (In thousands, except per share amounts) Primary: Income from continuing operations before extraordinary items $ 48,390 $ 16,603 $ 115 Discontinued operations (18,000) - - ------------ ------------ ------------ Income before extraordinary items 30,390 16,603 115 Extraordinary items, net 992 - - ------------ ------------ ------------ Net income $31,382 $ 16,603 $ 115 ============ ============ ============ Weighted average number of common shares outstanding 12,759 11,645 11,416 Number of common equivalent shares using the treasury stock method 312 116 160 ------------ ------------ ------------ Average number of common shares used to compute earnings per share 13,071 11,761 11,576 ============ ============ ============ Earnings per common share: Continuing operations before extraordinary items $ 3.70 $ 1.41 $ 0.01 Discontinued operations (1.38) - - Extraordinary items, net 0.08 - - ------------ ------------ ------------ Earnings per common share: $ 2.40 $ 1.41 $ 0.01 ============ ============ ============ Fully diluted: Income from continuing operations Before extraordinary items $48,390 $ 16,603 $ 115 Discontinued operations (18,000) - - ------------ ------------ ------------ Income before extraordinary items 30,390 16,603 115 Extraordinary items, net 992 - - ------------ ------------ ------------ Net income $ 31,382 $ 16,603 $ 115 ============ ============ ============ Weighted average number of common Shares outstanding 12,759 11,645 11,416 Number of common equivalent shares using the treasury stock method 391 169 207 ------------ ------------ ------------ Average number of common shares used to compute earnings per share 13,150 11,814 11,623 ============ ============ ============ Earnings per common share: Continuing operations before Extraordinary items $ 3.68 $ 1.41 $ 0.01 Discontinued operations (1.37) - - Extraordinary items, net 0.08 - - ------------ ------------ ------------ Earnings per common share: $ 2.39 $ 1.41 $ 0.01 ============ ============ ============