EXHIBIT 11 TSI Incorporated Computation of Per Share Earnings Three Months Ended Six Months Ended September 30 September 30 1999 1998 1999 1998 --------------------- --------------------- BASIC Weighted average common shares outstanding 11,293,630 11,385,895 11,238,138 11,398,859 ----------- ----------- ----------- ----------- Net Earnings $ 2,675,593 $ 2,356,057 $ 5,011,738 $ 3,478,007 ----------- ----------- ----------- ----------- Basic earnings per common share $ .24 $ .21 $ .45 $ .31 =========== =========== =========== =========== DILUTED Weighted average common shares outstanding 11,293,630 11,385,894 11,238,138 11,398,859 ----------- ----------- ----------- ----------- Dilutive effect of employee stock options and purchase awards--based on the treasury stock method 337,796 167,081 281,864 175,093 ----------- ----------- ----------- ----------- Weighted average common shares outstanding and dilutive shares 11,631,426 11,552,975 11,520,002 11,573,952 ----------- ----------- ----------- ----------- Net Earnings $ 2,675,593 $ 2,356,057 $ 5,011,738 $ 3,478,007 ----------- ----------- ----------- ----------- Diluted earnings per common share $ .23 $ .20 $ .44 $ .30 =========== =========== =========== =========== -15-