EXHIBIT 12.1 MONITRONICS INTERNATIONAL, INC. COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) Fiscal Year Ended ------------------------------------------------------------------------------ June 30, 1999 June 30, 2000 June 30, 2001 June 30, 2002 June 30, 2003 (Restated) (Restated) (Restated) (Restated) ------------- ------------- ------------- ------------- ------------- Fixed Charges as Defined: Deferred Finance Charges 301 423 524 1,205 1,777 Interest expense 11,192 21,325 27,160 19,183 20,838 Interest component of non-cancelable lease rent 67 100 176 209 220 ------ ------ ------ ------ ------ Total fixed charges (A) 11,560 21,848 27,860 20,597 22,835 Earnings as Defined: Pretax income 4,452 3,441 2,392 7,911 8,580 Add fixed charges 11,560 21,848 27,860 20,597 22,835 ------ ------ ------ ------ ------ Earnings and fixed charges (B) 16,012 25,289 30,252 28,508 31,415 Ratio of earnings to fixed charges (B/A) 1.39x 1.16x 1.09x 1.38x 1.38x