EXHIBIT 11.1 TSI INTERNATIONAL SOFTWARE LTD. COMPUTATION OF EARNINGS PER SHARE Three Months Ended March 31, -------------------- 1997 1998 --------- --------- Weighted average common shares Outstanding-Basic 2,886,822 9,044,404 Common shares issued for conversion Of preferred stock 2,609,415 0 Dilutive effect of stock options and Warrants 872,308 1,783,232 ------- --------- Weighted average common and common equivalent shares outstanding-Diluted 6,368,545 10,827,636 Net Income $870,800 $313,000 Per Share Amount-Basic $ 0.10 $ 0.11 -Diluted $ 0.08 $ 0.05