EXHIBIT 11.1 GENESEE & WYOMING INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE (in thousands, except per share amounts) FOR THE YEARS ENDED DECEMBER 31, 1997 1996 ---- ---- BASIC EARNINGS PER SHARE CALCULATION: - ------------------------------------- Net Income $7,998 $5,905 Weighted average number of shares of common stock 5,250 3,829 ===== ===== Earnings per share - basic $1.52 $1.54 ====== ====== DILUTED EARNINGS PER SHARE CALCULATION: - --------------------------------------- Net Income $7,998 $5,905 Weighted average number of shares of common stock and common stock equivalents outstanding: Weighted average number of shares of common stock 5,250 3,829 Common stock equivalents applicable to warrants 42 38 Common stock equivalents issuable under stock option plans 155 99 Weighted average number of shares of common stock and common stock equivalents - diluted 5,447 3,966 ====== ====== Earnings per share - diluted $ 1.47 $ 1.49 ====== ======