EXHIBIT 12 RATIO OF EARNINGS TO FIXED CHARGES (In Thousands) RATIO EARNINGS TO FIXED CHARGES CALCULATION: YEARS ENDED DECEMBER 31, ----------------------------------------------------- EARNINGS: 1993 1994 1995 1996 1997 --------- --------- --------- --------- --------- INCOME (LOSS) before income taxes and extraordinary items...... 5,878 (9,735) 10,783 10,619 (14,063) PLUS: FIXED CHARGES.................................................. 48,198 50,265 45,467 116,861 146,516 LESS: CAPITALIZED INTEREST........................................... 0 0 0 0 0 --------- --------- --------- --------- --------- EARNINGS..................................................... 54,076 40,530 56,250 127,480 132,453 --------- --------- --------- --------- --------- FIXED CHARGES: INTEREST EXPENSE............................................... 40,435 49,061 44,264 114,461 144,140 PLUS: CAPITALIZED INTEREST........................................... 0 0 0 0 0 PREFERRED PARTNERSHIP DIST..................................... 6,317 0 0 0 0 INTEREST ELEMENT OF RENTAL EXPENSE............................. 1,446 1,204 1,203 2,400 2,376 --------- --------- --------- --------- --------- FIXED CHARGES................................................ 48,198 50,265 45,467 116,861 146,516 --------- --------- --------- --------- --------- RATIO OF EARNINGS TO FIXED CHARGES (DEFICIENCY)................. 1.1 (9,735) 1.2 1.1 (14,063) --------- --------- --------- --------- --------- --------- --------- --------- --------- ---------