EXHIBIT 11 SWIFT TRANSPORTATION CO., INC. & SUBSIDIARIES Schedule of Computation of Net Earnings Per Share (in thousands, except per share amounts) Three months Nine months ended September 30, ended September 30, 1997 1996 1997 1996 ------- ------- ------- ------- Net earnings $12,882 $ 9,451 $29,645 $18,794 ======= ======= ======= ======= Weighted average shares: Common shares outstanding 28,245 24,863 28,131 24,778 Common equivalent shares issuable upon exercise of employee stock options (1) 598 693 642 710 ------- ------- ------- ------- Total weighted average shares - primary 28,843 25,556 28,773 25,488 Incremental common equivalent shares (calculated using the higher of the end of period or average fair market value)(2) 23 23 30 46 ------- ------- ------- ------- Total weighted average shares - fully diluted 28,866 25,579 28,803 25,534 ======= ======= ======= ======= Net earnings per common and equivalent share $ .45 $ .37 $ 1.03 $ .74 ======= ======= ======= ======= Net earnings per common share - assuming full dilution $ .45 $ .37 $ 1.03 $ .74 ======= ======= ======= ======= 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%. 18