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, ------------------------------ 2002 2001 ---- ---- Basic earnings per share - ------------------------ Weighted average number of shares outstanding 49,626,062 49,499,162 =========== =========== Net income $ 12,191 12,708 =========== =========== Basic earnings per common share $ .25 .26 =========== =========== Diluted earnings per share - -------------------------- Weighted average number of shares outstanding 49,626,062 49,499,162 Shares applicable to stock options 107,573 148,698 ----------- ----------- 49,733,635 49,647,860 =========== =========== Net income $ 12,191 12,708 =========== =========== Diluted earnings per common share $ .25 .26 =========== ===========