Stockholders' equity (Tables)

9 Months Ended

Sep. 30, 2012

Stockholders' equity

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

Accumulated other comprehensive loss attributable to Alexandria Real Estate Equities, Inc. consists of the following (in thousands):

	September 30,			December 31,
	2012			2011
Unrealized gain on marketable securities	$	3,090		$	3,834
Unrealized loss on interest rate swap agreements	(25,336		)	(32,980		)
Unrealized gain (loss) on foreign currency translation	2,517			(5,365		)
Total	$	(19,729	)	$	(34,511	)