Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2010

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

21. Quarterly Financial Data (Unaudited)

The following unaudited quarterly data has been prepared on the basis of a December 31 year-end. All amounts have also been restated in accordance with the guidance on discontinued operations and reflect dispositions and/or properties held for sale through September 30, 2011. Amounts are in thousands, except for per share amounts.

2010	First Quarter 3/31			Second Quarter 6/30			Third Quarter 9/30			Fourth Quarter 12/31
Total revenues (1)	$	423,596		$	441,417		$	453,960		$	462,960
Operating income (1)		98,210			98,413			105,264			77,444
(Loss) from continuing operations (1)		(20,676	)		(11,697	)		(295	)		(47,511	)
Discontinued operations, net (1)		78,532			21,786			30,121			245,723
Net income *		57,856			10,089			29,826			198,212
Net income available to Common Shares		51,863			6,343			25,166			185,870
Earnings per share – basic:
Net income available to Common Shares	$	0.18		$	0.02		$	0.09		$	0.65
Weighted average Common Shares outstanding		280,645			282,217			282,717			285,916
Earnings per share – diluted:
Net income available to Common Shares	$	0.18		$	0.02		$	0.09		$	0.65
Weighted average Common Shares outstanding		280,645			282,217			282,717			285,916

(1) The amounts presented for 2010 are not equal to the same amounts previously reported in the Form 8-K filed with the SEC on May 23, 2011 as a result of changes in discontinued operations due to additional property sales which occurred in the second and third quarters of 2011. Below is a reconciliation to the amounts previously reported in the Form 8-K:

2010	First Quarter 3/31			Second Quarter 6/30			Third Quarter 9/30			Fourth Quarter 12/31
Total revenues previously reported in May 2011 Form 8-K	$	464,999		$	487,439		$	504,556		$	509,855
Total revenues subsequently reclassified to discontinued operations		(41,403	)		(46,022	)		(50,596	)		(46,895	)
Total revenues disclosed in Form 8-K	$	423,596		$	441,417		$	453,960		$	462,960
Operating income previously reported in May 2011 Form 8-K	$	110,008		$	112,938		$	118,721		$	90,996
Operating income subsequently reclassified to discontinued operations		(11,798	)		(14,525	)		(13,457	)		(13,552	)
Operating income disclosed in Form 8-K	$	98,210		$	98,413		$	105,264		$	77,444
(Loss) income from continuing operations previously reported in May 2011 Form 8-K	$	(9,407	)	$	2,263		$	12,624		$	(34,515	)
Income from continuing operations subsequently reclassified to discontinued operations		(11,269	)		(13,960	)		(12,919	)		(12,996	)
(Loss) from continuing operations disclosed in Form 8-K	$	(20,676	)	$	(11,697	)	$	(295	)	$	(47,511	)
Discontinued operations, net previously reported in May 2011 Form 8-K	$	67,263		$	7,826		$	17,202		$	232,727
Discontinued operations, net from properties sold subsequent to the respective reporting period		11,269			13,960			12,919			12,996
Discontinued operations, net disclosed in Form 8-K	$	78,532		$	21,786		$	30,121		$	245,723

2009	First Quarter 3/31			Second Quarter 6/30			Third Quarter 9/30			Fourth Quarter 12/31
Total revenues (2)	$	414,096		$	411,876		$	410,984		$	411,766
Operating income (2)		112,087			104,560			106,903			111,935
(Loss) from continuing operations (2)		(5,413	)		(7,295	)		(10,988	)		(31,402	)
Discontinued operations, net (2)		90,834			113,227			154,353			78,713
Net income *		85,421			105,932			143,365			47,311
Net income available to Common Shares		77,175			96,585			132,362			41,672
Earnings per share – basic:
Net income available to Common Shares	$	0.28		$	0.35		$	0.48		$	0.15
Weighted average Common Shares outstanding		272,324			272,901			273,658			275,519
Earnings per share – diluted:
Net income available to Common Shares	$	0.28		$	0.35		$	0.48		$	0.15
Weighted average Common Shares outstanding		272,324			272,901			273,658			275,519

(2) The amounts presented for 2009 are not equal to the same amounts previously reported in the Form 8-K filed with the SEC on May 23, 2011 as a result of changes in discontinued operations due to additional property sales which occurred in the second and third quarters of 2011. Below is a reconciliation to the amounts previously reported in the Form 8-K:

2009	First Quarter 3/31			Second Quarter 6/30			Third Quarter 9/30			Fourth Quarter 12/31
Total revenues previously reported in May 2011 Form 8-K	$	459,083		$	457,098		$	457,777		$	454,241
Total revenues subsequently reclassified to discontinued operations		(44,987	)		(45,222	)		(46,793	)		(42,475	)
Total revenues disclosed in Form 8-K	$	414,096		$	411,876		$	410,984		$	411,766
Operating income previously reported in May 2011 Form 8-K	$	124,057		$	118,354		$	120,470		$	124,683
Operating income subsequently reclassified to discontinued operations		(11,970	)		(13,794	)		(13,567	)		(12,748	)
Operating income disclosed in Form 8-K	$	112,087		$	104,560		$	106,903		$	111,935
Income (loss) from continuing operations previously reported in May 2011 Form 8-K	$	5,684		$	5,503		$	2,066		$	(19,212	)
Income from continuing operations subsequently reclassified to discontinued operations		(11,097	)		(12,798	)		(13,054	)		(12,190	)
(Loss) from continuing operations disclosed in Form 8-K	$	(5,413	)	$	(7,295	)	$	(10,988	)	$	(31,402	)
Discontinued operations, net previously reported in May 2011 Form 8-K	$	79,737		$	100,429		$	141,299		$	66,523
Discontinued operations, net from properties sold subsequent to the respective reporting period		11,097			12,798			13,054			12,190
Discontinued operations, net disclosed in Form 8-K	$	90,834		$	113,227		$	154,353		$	78,713

* The Company did not have any extraordinary items or cumulative effect of change in accounting principle during the years ended December 31, 2010 and 2009. Therefore, income before extraordinary items and cumulative effect of change in accounting principle is not shown as it was equal to the net income amounts disclosed above.