1 EXHIBIT 11.1 STATEMENT RE: COMPUTATION OF EARNINGS PER SHARE USA TRUCK, INC. Three Months Ended Six Months Ended June 30, June 30, ------------------------- ------------------------- 1998 1997 1998 1997 ---------- ---------- ---------- ---------- Numerator: Net income and comprehensive income.. $2,798,077 $1,924,990 $5,135,794 $3,206,593 ========== ========== ========== ========== Denominator: Denominator for basic earnings per share - weighted average shares ... 9,418,826 9,408,270 9,378,054 9,373,548 Effect of dilutive securities:- Employee stock options ........... 112,228 120,480 100,108 98,675 ---------- ---------- ---------- ---------- Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions ... 9,531,054 9,528,750 9,478,162 9,472,223 ========== ========== ========== ========== Basic earnings per share $ 0.30 $ 0.20 $ 0.55 $ 0.34 ========== ========== ========== ========== Diluted earnings per share $ 0.29 $ 0.20 $ 0.54 $ 0.34 ========== ========== ========== ==========