COMMNET CELLULAR INC. EXHIBIT 12.1 Ratio of Earnings to Fixed Charges Years ended September 30, ------------------------------------------------------------------------ 1991 1992 1993 1994 1995 ------------- ------------- ------------ ------------- ------------ Income (loss) before income taxes $(28,701,052) $(17,041,731) $(22,666,212) $(16,751,152) $ 61,967 Add: Interest on indebtedness 11,245,394 14,800,908 16,427,796 21,338,505 26,043,802 Portion of rents representative of the 375,253 390,705 378,616 455,390 803,361 interest factor ------------ ------------ ------------ ------------ ----------- Income (loss) as adjusted $(17,080,405) $ (1,850,118) $ (5,859,800) $ (5,042,743) $26,909,130 ============ ============ ============ ============ =========== Fixed charges: Interest on indebtedness 11,245,394 14,800,908 16,427,796 21,338,505 26,043,802 Portion of rents representative of the 375,253 390,705 378,616 455,390 803,361 interest factor ------------ ------------ ------------ ------------ ----------- $ 11,620,647 $ 15,191,613 $ 16,806,412 $ 21,793,895 $26,847,163 ============ ============ ============ ============ =========== Excess (deficiency) of earnings to fixed charges $(28,701,052) $(17,041,731) $(22,666,212) $(16,751,152) $ 61,967