Exhibit 12.2

RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED SHARE DIVIDENDS

Our ratio of earnings to fixed charges and preferred share dividends for the periods indicated are set forth below. For purposes of calculating the ratios set forth below, earnings represent net income from continuing operations before minority interests from our consolidated statements of operations, as adjusted for fixed charges; and fixed charges represent interest expense and preferred share dividends from our consolidated statements of operations.

The following table presents our ratio of earnings to fixed charges and preferred share dividends for the six-month period ended June 30, 2008 and for the five years ended December 31, 2007 (dollars in thousands):

	For the Six-Month Period Ended June 30, 2008			For the Years Ended December 31
				2007			2006			2005			2004			2003
Net income (loss) from continuing operations as adjusted for minority interest	$	350,734		$	(437,102	)	$	74,704		$	75,074		$	63,098		$	45,379
Add back fixed charges:
Interest expense		254,231			700,953			63,410			13,011			5,435			4,642
Earnings before fixed charges and preferred share dividends		604,965			263,851			138,114			88,085			68,533			50,021
Fixed charges and preferred share dividends:
Interest expense		254,231			700,953			63,410			13,011			5,435			4,642
Preferred share dividends		6,821			11,817			10,079			10,076			5,279			—
Total fixed charges and preferred share dividends	$	261,052		$	712,770		$	73,489		$	23,087		$	10,714		$	4,642
Ratio of earnings to fixed charges and preferred share dividends		2.3	x		—	(1)		1.9	x		3.8	x		6.4	x		10.8	x

(1) The dollar amount of the deficiency for the year ended December 31, 2007 is $448.9 million.