EXHIBIT 11 SWIFT TRANSPORTATION CO., INC. & SUBSIDIARIES Schedule of Computation of Net Earnings Per Share (in thousands, except per share amounts) Three months ended March 31, 1999 1998 --------- --------- Net earnings $ 12,103 $ 9,412 ========= ========= Weighted average shares: Common shares outstanding 63,747 63,747 Common equivalent shares issuable upon exercise of employee stock options 1,370 1,407 --------- --------- Diluted weighted average shares 65,117 65,154 ========= ========= Basic earnings per share $ .19 $ .15 ========= ========= Diluted earnings per share $ .19 $ .14 ========= ========= 15