EIS International, Inc. and Subsidiaries - ---------------------------------------- Exhibit 11 Statement Re Computation of Per Share Earnings (In thousands, except for per share amounts) Three Months Ended March 31, ----------------------- 1997 1998 ---------- ---------- Net income (loss) $ (3,522) $ 1,019 ========== ========== Weighted average number of common shares outstanding - Basic: 11,143 11,546 Dilutive effect of stock options and warrants --- 263 ---------- ---------- Weighted average number of common shares outstanding - Diluted: 11,143 11,809 ========== ========== Basic income (loss) per share: $ (0.32) $ 0.09 Diluted income (loss) per share: (0.32) 0.09 (a) For the three months ended March 31, 1997, the assumed exercise of stock options and warrants has not been included in the calculation as they would be anti-dilutive.