EXHIBIT 11 SMITHWAY MOTOR XPRESS CORP. AND SUBSIDIARY Statement Regarding Computation of Per Share Earnings Three Months Ended Nine Months Ended June 30, June 30, --------------------- --------------------- 1997 1996 1997 1996 --------- --------- ---------- --------- Primary earnings per share information: Weighted average number of common shares outstanding during the period 5,001,913 4,999,293 5,000,176 4,000,090 Annualized additional common shares due to stock options 13,897 - 5,965 - ---------- ---------- ---------- --------- 5,015,810 4,999,293 5,006,141 4,000,090 ========== ========== ========== ========== Net Earnings $1,695,000 $1,330,000 $4,181,000 $2,998,000 Primary earnings per common share $ 0.34 $ 0.27 $ 0.84 $ 0.75 Fully diluted earnings per share information: . Weighted average number of common shares outstanding during the period 5,001,913 4,999,293 5,000,176 4,000,090 Annualized additional common shares due to stock options 18,082 - 7,360 - ---------- ---------- ---------- ---------- 5,019,995 4,999,293 5,007,536 4,000,090 ========== ========== ========== ========== Net earnings $1,695,000 $1,330,000 $4,181,000 $2,998,000 ---------- ---------- ---------- ---------- Fully diluted earnings per common share $ 0.34 $ 0.27 $ 0.83 $ 0.75