EIS International, Inc. and Subsidiaries Exhibit 11 Statement Re Computation of Per Share Earnings (in thousands, except for per share amounts) Three Months Ended June 30, Six Months Ended June 30, 1997 1996 1997 1996 ------- ------- -------- -------- Income (loss) from continuing operations $ 1,359 $ 3,951 $ (2,163) $ (11,291) Discontinued operations - (808) (1,381) ------- ------- -------- --------- Net income (loss) $ 1,359 $ 3,143 $ (2,163) $ (12,672) ======= ======= ======== ========= Weighted average nunber of common and common equivalent shares: Common shares outstanding 11,224 10,668 11,179 10,354 Dilutive effect of stock options and warrants, primary computation 181 941 - - ------- ------- -------- --------- Weighted average number of common and common equivalent shares utilized in the primary income (loss) per share computation: 11,405 11,609 11,179 10,354 Additional dilutive effect of stock options and warrants, fully diluted computation 95 118 - - ------- ------- -------- --------- Weighted average number of common and common equivalent shares utilized in the fully diluted loss per share computation 11,500 11,727 11,179 10,354 ======= ======= ======== ========= Priory income (loss) per share: Continuing operations $ 0.12 $ 0.34 $ (0.19) $ (1.09) Discontinued operations - (0.07) - (0.13) ------- ------- -------- --------- Pimary income (loss) per share $ 0.12 $ 0.27 $ (0.19) $ (1.22) ======= ======= ======== ========= Fully diluted income (loss) per share: Continuing operations $ 0.12 $ 0.34 $ (0.19) $ (1.09) Discontinued operations - (0.07) - (0.13) ------- ------- -------- --------- Fully diluted income (loss) per share $ 0.12 $ 0.27 $ (0.19) $ (1.22) ======= ======= ======== ========= 14