Exhibit 11 CASEY'S GENERAL STORES, INC. Computation of Per Share Earnings (Dollars in Thousands, Except Share and Per Share Amounts) Three Months Ended January 31, 2000 1999 ---- ---- Basic earnings per share Weighted average number of shares outstanding 51,991,748 52,698,079 ---------- ---------- Net income $ 5,209 8,896 ---------- ---------- Basic earnings per common share $ .10 .17 ---------- ---------- Diluted earnings per share Weighted average number of shares outstanding 51,991,748 52,698,079 Shares applicable to stock options 137,851 241,299 ---------- ---------- 52,129,599 52,939,378 ---------- ---------- Net Income $ 5,209 8,896 ---------- ---------- Diluted earnings per common share $ .10 .17 ---------- ---------- CASEY'S GENERAL STORES, INC. Computation of Per Share Earnings (Dollars in Thousands, Except Share and Per Share Amounts) Nine Months Ended January 31, 2000 1999 ---- ---- Basic earnings per share Weighted average number of shares outstanding 52,482,347 52,650,418 ---------- ---------- Net income $ 32,522 34,020 ---------- ---------- Basic earnings per common share $ .62 .65 ---------- ---------- Diluted earnings per share Weighted average number of shares outstanding 52,482,347 52,650,418 Shares applicable to stock options 213,161 276,071 ---------- ---------- 52,695,508 52,926,489 ---------- ---------- Net Income $ 32,522 34,020 ---------- ---------- Diluted earnings per common share $ .62 .64 ---------- ----------