EXHIBIT 11 SWIFT TRANSPORTATION CO., INC. & SUBSIDIARIES Schedule of Computation of Net Earnings Per Share (in thousands, except per share amounts) Three months Six months ended June 30, ended June 30, 1997 1996 1997 1996 ------- ------- ------- ------- Net earnings $10,556 $ 6,772 $16,779 $ 9,343 ======= ======= ======= ======= Weighted average shares: Common shares outstanding 28,201 24,810 28,074 24,734 Common equivalent shares issuable upon exercise of employee stock options (1) 616 685 662 718 ------- ------- ------- ------- Total weighted average shares - primary 28,817 25,495 28,736 25,452 Incremental common equivalent shares (calculated using the higher of the end of period or average fair market value (2) 9 10 14 ------- ------- ------- ------- Total weighted average shares - fully diluted 28,817 25,504 28,746 25,466 ======= ======= ======= ======= Net earnings per common and equivalent share $ .37 $ .27 $ .58 $ .37 ======= ======= ======= ======= Net earnings per common share - assuming full dilution $ .37 $ .27 $ .58 $ .37 ======= ======= ======= ======= Notes: (1) Amount calculated using the treasury stock method and average fair market values. (2) The calculation is submitted in accordance with Regulation S-K Item 601(b) (11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%. 19