Exhibit 11 CASEY'S GENERAL STORES, INC. Computation of Per Share Earnings (Dollars in Thousands, Except Share and Per Share Amounts) Three Months Ended July 31, ----------------------- 2000 1999 ---- ---- Basic earnings per share - ------------------------ Weighted average number of shares outstanding 49,453,095 52,718,162 =========== ========== Net income $ 15,725 14,651 =========== ========== Basic earnings per common share $ .32 .28 =========== ========== Diluted earnings per share - -------------------------- Weighted average number of shares outstanding 49,453,095 52,718,162 Shares applicable to stock options 146,296 300,955 ----------- ---------- 49,599,391 53,019,117 =========== ========== Net income $ 15,725 14,651 =========== ========== Diluted earnings per common share $ .32 .28 =========== ==========