EXHIBIT 11 SMITHWAY MOTOR XPRESS CORP. AND SUBSIDIARY Statement Regarding Computation of Per Share Earnings Three Months Ended Six Months Ended June30, June30, ----------------------- ---------------------- 1996 1997 1996 1997 ----------- ----------- ---------- ----------- Primary earnings per share information: Weighted average number of common shares outstanding during the period 3,499,293 4,999,293 3,500,487 4,999,293 Annualized additional common shares due to stock options 3,413 1,999 ----------- ----------- ---------- ----------- 3,499,293 5,002,706 3,500,487 5,001,292 =========== =========== ========== =========== Net Earnings $1,154,000 $1,536,000 $1,668,000 $2,487,000 Primary earnings per common share $ 0.33 $ 0.31 $ 0.48 $ 0.50 Fully diluted earnings per share information: . Weighted average number of common shares outstanding during the period 3,499,293 4,999,293 3,500,487 4,999,293 Annualized additional common shares due to stock options 7,599 4,092 ----------- ----------- ---------- ----------- 3,499,293 5,006,892 3,500,487 5,003,385 =========== =========== ========== =========== Net earnings $1,154,000 $1,536,000 $1,668,000 $2,487,000 ----------- ----------- ---------- ----------- Fully diluted earnings per common share $ 0.33 $ 0.31 $ 0.48 $ 0.50