EXHIBIT 11 SWIFT TRANSPORTATION CO., INC. & SUBSIDIARIES Schedule of Computation of Net Earnings Per Share (in thousands, except per share amounts) Year Ended December 31 ---------------------- 1997 1996 1995 ---- ---- ---- Net Earnings $41,644 $27,422 $23,040 ======= ======= ======= Weighted average shares: Common shares outstanding 42,242 37,434 36,867 Common equivalent shares issuable upon exercise of employee stock options (1) 942 1,069 1,155 ------- ------- ------- Total weighted average shares - diluted 43,184 38,503 38,022 ======= ======= ======= Basic earnings per share $ .99 $ .73 $ .62 ======= ======= ======= Diluted earnings per share $ .96 $ .71 $ .61 ======= ======= ======= Notes: (1) Amount calculated using the treasury stock method and fair market values. (2) All share amounts and earnings per share have been retroactively adjusted to reflect the 3-for-2 stock split payable on March 12, 1998 to shareholders of record at the close of business on March 2, 1998.