1 EXHIBIT 12.01 STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (MILLIONS OF DOLLARS) NINE MONTHS ENDED YEAR ENDED DECEMBER 31, SEPTEMBER 30 ---------------------------------------- ------------- 1991 1992 1993 1994 1995 1995 1996 ---- ---- ---- ---- ---- ---- ---- HISTORICAL INFORMATION Earnings: Income from Continuing Operations before Income Taxes $(0.1) $ 1.0 $(45.7) $14.7 $104.6 $ 93.2 $43.7 Interest Expense (Excluding Amounts Capitalized) 74.1 59.6 54.6 56.0 49.8 38.1 32.3 Amortization of Previously Capitalized Interest Expense 0.2 0.2 0.2 0.3 0.4 0.3 0.3 ----- ----- ------ ----- ------ ------ ----- Total Earnings $74.2 $60.8 $ 9.1 $71.0 $154.8 $131.6 $76.3 ===== ===== ====== ===== ====== ====== ===== Fixed Charges: Interest Expense (Excluding Amounts Capitalized) 74.1 59.6 54.6 56.0 49.8 38.1 32.3 Capitalized Interest 0.3 0.4 0.4 1.2 1.5 1.2 0.4 ----- ----- ------ ----- ------ ------ ----- Total Fixed Charges Including Capitalized Interest 74.4 60.0 55.0 57.2 51.3 39.3 32.7 ===== ===== ====== ===== ====== ====== ===== Ratio of Earnings to Fixed Charges 1.0x 1.0x 0.2x 1.2x 3.0x 3.3x 2.3x ===== ===== ====== ===== ====== ====== ===== 2 STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (MILLIONS OF DOLLARS) NINE YEAR ENDED MONTHS ENDED DECEMBER 31, SEPTEMBER 30, ------------ -------------- 1995 1996 ---- ---- PRO FORMA INFORMATION Earnings: Income from Continuing Operations before Income Taxes $121.6 $55.5 Interest Expense (Excluding Amounts Capitalized) 32.8 20.5 Amortization of Previously Capitalized Interest Expense 0.4 0.3 ------ ----- Total Earnings $154.8 $76.3 ====== ===== Fixed Charges: Interest Expense (Excluding Amounts Capitalized) 32.8 20.5 Capitalized Interest 1.5 0.4 ------ ----- Total Fixed Charges Including Capitalized Interest 34.3 20.9 ====== ===== Ratio of Earnings to Fixed Charges 4.5x 3.7x ====== =====