Alexandria Real Estate Equities, Inc. Declares Quarterly Cash Dividends

Alexandria Real Estate Equities, Inc. announced that its Board of Directors declared a quarterly cash dividend of $0.49 per common share for the first quarter of 2012. The dividend is payable on April 13, 2012, to shareholders of record on March 30, 2012. The Company announced that its Board of Directors declared a quarterly cash dividend of $0.5234375 per share for the first quarter of 2012 for its 8.375% Series C Cumulative Redeemable Preferred Stock. The dividend is payable on April 13, 2012, to preferred shareholders of record on March 30, 2012. The Company also announced that its Board of Directors declared a quarterly cash dividend of $0.4375 per share for the first quarter of 2012 for its 7.00% Series D Cumulative Convertible Preferred Stock. The dividend is payable on April 13, 2012, to preferred shareholders of record on March 30, 2012.