Basis of presentation (Tables)

6 Months Ended

Jun. 30, 2011

Basis of presentation

Accumulated other comprehensive loss attributable to Alexandria Real Estate Equities, Inc.

	June 30,			December 31,
	2011			2010
Unrealized gain on marketable securities	$	6,169		$	6,157
Unrealized loss on interest rate hedge agreements	(39,321		)	(44,807		)
Unrealized gain on foreign currency translation	26,880			20,315
Total	$	(6,272	)	$	(18,335	)

Reconciliation of comprehensive income attributable to Alexandria Real Estate Equities, Inc.

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011		2010
Net income (loss)	$	34,311		$	(12,224	)	$	66,936	$	16,561
Unrealized (loss) gain on marketable securities	(501		)	(2,190		)	12		(1,853		)
Unrealized (loss) gain on interest rate hedge agreements	(253		)	(3,188		)	5,486		(2,081		)
Unrealized gain (loss) on foreign currency translation	1,676			(8,004		)	6,559		(2,629		)
Comprehensive income (loss)	35,233			(25,606		)	78,993		9,998
Comprehensive income attributable to noncontrolling interests	939			935			1,861		1,949
Comprehensive income (loss) attributable to Alexandria Real Estate Equities, Inc.	$	34,294		$	(26,541	)	$	77,132	$	8,049

Reconciliation of the numerators and denominators of the basic and diluted per share computations for income (loss) from continuing operations and dividends declared per share of common stock

	Three Months EndedJune 30,						Six Months EndedJune 30,
Numerator:	2011			2010			2011			2010
Income (loss) from continuing operations	$	34,349		$	(12,164	)	$	67,033		$	16,028
Net income attributable to noncontrolling interests	(938		)	(930		)	(1,867		)	(1,865		)
Income (loss) from continuing operations attributable to Alexandria Real Estate Equities, Inc.	33,411			(13,094		)	65,166			14,163
Dividends on preferred stock	(7,089		)	(7,090		)	(14,178		)	(14,179		)
Income from continuing operations attributable to unvested restricted stock awards	(298		)	(149		)	(540		)	(311		)
Income (loss) from continuing operations attributable to Alexandria Real Estate Equities, Inc.’s common stockholders – numerator for basic earnings per share	26,024			(20,333		)	50,448			(327		)
Effect of assumed conversion and dilutive securities:
Assumed conversion of 8.00% Unsecured Convertible Notes	–			–			–			–
Amounts attributable to unvested restricted stock awards	–			–			–			–
Income (loss) from continuing operations attributable to Alexandria Real Estate Equities, Inc.’s common stockholders – numerator for diluted earnings per share	$	26,024		$	(20,333	)	$	50,448		$	(327	)
Denominator:
Weighted average shares of common stock outstanding – basic	58,500,055			44,870,142			56,734,012			44,348,850
Effect of assumed conversion and dilutive securities:
Assumed conversion of 8.00% Unsecured Convertible Notes	–			–			–			–
Dilutive effect of stock options	13,067			–			16,261			–
Weighted average shares of common stock outstanding – diluted	58,513,122			44,870,142			56,750,273			44,348,850
Earnings (loss) per share attributable to Alexandria Real Estate Equities, Inc.’s common stockholders – basic:
Continuing operations	0.44			(0.45		)	0.89			(0.01		)
Discontinued operations, net	–			–			–			0.01
Earnings (loss) per share – basic	0.44			(0.45		)	0.89			–
Earnings (loss) per share attributable to Alexandria Real Estate Equities, Inc.’s common stockholders – diluted:
Continuing operations	0.44			(0.45		)	0.89			(0.01		)
Discontinued operations, net	–			–			–			0.01
Earnings (loss) per share – diluted	0.44			(0.45		)	0.89			–
Dividends declared per common share	$	0.45		$	0.35		$	0.90		$	0.70

Net income (loss) attributable to Alexandria Real Estate Equities, Inc.

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Income (loss) from continuing operations	$	34,349		$	(12,164	)	$	67,033		$	16,028
(Loss) income from discontinued operations, net	(38		)	(60		)	(97		)	533
Net income (loss) attributable to Alexandria Real Estate Equities, Inc.	$	34,311		$	(12,224	)	$	66,936		$	16,561

Schedule of fair value of assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy

			June 30, 2011
Description	Total		Quoted Prices in Active Markets for Identical Assets and Liabilities		“Significant Other Observable Inputs”		“Significant Unobservable Inputs”
Assets:
“Available for sale” securities	$	8,559	$	8,559	$	–	$	–
Liabilities:
Interest rate hedge agreements	$	39,221	$	–	$	39,221	$	–

			December 31, 2010
Description	Total		Quoted Prices in Active Markets for Identical Assets and Liabilities		“Significant Other Observable Inputs”		“Significant Unobservable Inputs”
Assets:
“Available for sale” securities	$	8,033	$	8,033	$	–	$	–
Liabilities:
Interest rate hedge agreements	$	44,645	$	–	$	44,645	$	–

Schedule of the book and fair values of available for sale securities, interest rate hedge agreements, secured notes payable, unsecured line of credit, unsecured term loans, and unsecured convertible notes

	June 30, 2011				December 31, 2010
	Book Value		Fair Value		Book Value		Fair Value
“Available for sale” securities	$	8,559	$	8,559	$	8,033	$	8,033
Interest rate hedge agreements	39,221		39,221		44,645		44,645
Secured notes payable	774,691		861,909		790,869		865,939
Unsecured line of credit and unsecured term loans	1,575,000		1,595,134		1,498,000		1,438,751
Unsecured convertible notes	203,638		207,362		295,293		302,486