Exhibit 99.1

SELECTED QUARTERLY FINANCIAL INFORMATION

(Unaudited)

Selected quarterly information for the years ended December 31, 2010 and 2009 is as follows (in thousands, except per share amounts):

	Quarter Ended
2010	December 31			September 30			June 30			March 31
Rental and related revenue	$	228,868		$	230,781		$	206,351		$	212,242
General contractor and service fee revenue		100,971			132,351			168,398			113,641
Net income (loss) attributable to common shareholders	$	9,552		$	34,064		$	(42,391	)	$	(15,264	)
Basic income (loss) per common share	$	0.04		$	0.13		$	(0.19	)	$	(0.07	)
Diluted income (loss) per common share	$	0.04		$	0.13		$	(0.19	)	$	(0.07	)
Weighted average common shares		252,130			251,866			227,082			224,153
Weighted average common shares and potential dilutive securities		257,420			257,383			227,082			224,153
2009	December 31			September 30			June 30			March 31
Rental and related revenue	$	213,542		$	210,935		$	210,316		$	207,438
General contractor and service fee revenue		114,097			100,880			129,444			105,088
Net income (loss) attributable to common shareholders	$	(3,033	)	$	(322,882	)(2)	$	(32,406	)(3)	$	23,247
Basic income (loss) per common share	$	(0.02	)	$	(1.44	)	$	(0.16	)	$	0.15
Diluted income (loss) per common share	$	(0.02	)	$	(1.44	)	$	(0.16	)	$	0.15
Weighted average common shares		224,012			223,952			207,290			148,488
Weighted average common shares and potential dilutive securities		224,012			223,952			207,290			155,747

(1) Amount includes $284.8 million of non-cash impairment charges.

(2) Amount includes $17.7 million of non-cash impairment charges.