. . . Exhibit 12.1 Arch Western Resources Ratio of Earnings to Combined Fixed Charges and Preference Dividends (Dollars in millions, except ratios) Year ended December 31, ---------------------------------------------------------------------- 2003 2002 2001 2000 1999 1998 ---------------------------------------------------------------------- Earnings: Income (loss) from operations 62,710 49,824 60,370 12,451 27,152 (5,032) Fixed charges net of capitalized interest 46,157 44,256 47,003 49,466 51,926 31,000 Amortization of capitalized interest 75 45 40 56 -- -- ---------------------------------------------------------------------- Earnings before taxes and combined fixed charges and preference dividends 108,942 94,125 107,413 61,973 79,078 25,968 Fixed charges: Interest expense 44,681 43,605 44,638 46,957 49,950 29,282 Capitalized interest -- (711) -- -- (1,190) (39) Dividends on preferred membership interest 95 95 95 96 95 57 Portions of rent which represent an interest factor 1,381 1,267 2,270 2,413 3,071 1,700 ---------------------------------------------------------------------- Total combined fixed charges and preference dividends 46,157 44,256 47,003 49,466 51,926 31,000 RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS 2.36 2.13 2.29 1.25 1.52 (a) (a) The deficiency of earnings to cover fixed charges and preference dividends was 5,032 for the year ended December 31, 1998.