Exhibit 12.1

Computation of Ratio of EBITDA to interest expense

	For the Years Ended December 31,
	2005			2004			2003			2002			2001
	(In thousands, except ratios)
EBITDA:
Net income	$	287,913		$	260,447		$	292,157		$	215,270		$	229,912
Add: Interest expense (1)	313,053			232,919			194,999			185,362			170,121
Add: Depreciation, depletion and amortization (2)	76,275			68,483			56,079			48,041			35,642
Total EBITDA	$	677,241		$	561,849		$	543,235		$	448,673		$	435,675
Interest expense	$	313,053		$	232,919		$	194,999		$	185,362		$	170,121
EBITDA/Interest expense (3)	2.16		x	2.41		x	2.79		x	2.42		x	2.56		x

Explanatory Notes:

(1)For the years ended December 31, 2005, 2004, 2003, 2002 and 2001, interest expense includes $0, $190, $337, $348 and $536, respectively, of interest expense reclassed to discontinued operations.

(2)For the years ended December 31, 2005, 2004, 2003, 2002 and 2001, depreciation, depletion and amortization includes $628, $4,705, $6,136, $6,144 and $5,679, resepectively, of depreciation and amortization reclassed to discontinued operations.

(3)The ratio for 2004 gives effect to the CEO, CFO and ACRE Partners compensation charges of $106.9 million, the 8.75% Senior Notes due 2008 redemption charges of $11.5 million and the preferred stock redemption charge of $9.0 million. Excluding these charges, the ratio of EBITDA/Interest expense would have been 2.92x.