1 EXHIBIT 11.1 DYNAMEX INC. AND SUBSIDIARIES CALCULATION OF NET INCOME PER COMMON SHARE (IN THOUSANDS EXCEPT PER SHARE DATA) Years ending July 31, --------------------- 1998 1997 1996 ---------- ---------- ---------- Net Income $ 3,378 $ 3,512 $ 876 ========== ========== ========== Weighted Average Common Shares Outstanding 7,937 6,670 2,543 Common Share Equivalents Related to Options and Warrants 199 169 1,189 ---------- ---------- ---------- Common Shares and Common Share Equivalents 8,136 6,839 3,732 ========== ========== ========== Common Stock Price used under Treasury Stock Method $ 10.82 $ 8.89 $ 8.00 ========== ========== ========== Net Income per Common Share: Basic $ 0.43 $ 0.53 $ 0.34 ========== ========== ========== Diluted $ 0.42 $ 0.51 $ 0.23 ========== ========== ==========