EXHIBIT 11.1 LANDSTAR SYSTEM, INC. AND SUBSIDIARY CALCULATION OF EARNINGS PER COMMON SHARE (In thousands, except per share amounts) (Unaudited) Fiscal Years Ended December 29, December 30, December 25, 2001 2000 1999 ------------ ------------ ------------ Net income $ 42,794 $ 45,194 $ 45,937 ============ ============ ============ Average number of common shares outstanding 8,336 8,781 9,982 ============ ============ ============ Earnings per common share $ 5.13 $ 5.15 $ 4.60 ============ ============ ============ 30