PASADENA, Calif., Sept. 19 /PRNewswire/ -- Alexandria Real Estate Equities, Inc. (NYSE: ARE) announced today that it has agreed to sell 2,000,000 shares of common stock in a follow-on public offering. Gross proceeds from the offering will be approximately $200 million. Citi and Merrill Lynch & Co. are acting as joint bookrunning managers in connection with the offering. Alexandria Real Estate Equities, Inc. has granted the underwriters a thirty day option to purchase up to 300,000 additional shares to cover over-allotments, if any. The offering is expected to close on Tuesday, September 25, 2007, subject to customary closing conditions. The Company intends to use the net proceeds from this offering to reduce the outstanding balance on its unsecured line of credit, which it uses from time to time to provide funds for general working capital and other corporate purposes, including the selective development, redevelopment and acquisition of life science properties.

Alexandria Real Estate Equities, Inc., Landlord and Developer of Choice to the Life Science Industry(R), is a publicly-traded real estate investment trust focused principally on the ownership, operation, management, selective development, redevelopment and acquisition of life science properties. Our properties are designed and improved for lease primarily to institutional (universities and independent not-for-profit institutions), pharmaceutical, biotechnology, medical device, life science product, service, biodefense and translational medicine entities, as well as governmental agencies. We are the largest and leading provider of real estate to the broad and diverse life science industry with an asset base, as of June 30, 2007, that will enable us to grow to approximately 18.8 million square feet consisting of 155 properties approximating 10.8 million square feet, properties undergoing ground-up development approximating 1.2 million square feet, plus an imbedded pipeline for ground-up development approximating 6.8 million square feet.

The common stock will be issued pursuant to an effective registration statement on Form S-3 that was previously filed with the Securities and Exchange Commission. This press release does not constitute an offer to sell or the solicitation of an offer to buy any of the Company's common stock, nor shall there be any sale of the common stock in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

Copies of the prospectus supplement relating to this offering, when available, may be obtained by contacting: Citi, Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, New York 11220 (tel: 718-765-6732; fax: 718-765-6734) or Merrill Lynch & Co. (Prospectus Fulfillment), 4 World Financial Center, Prospectus Department, New York, NY 10080.

This press release contains forward-looking statements within the meaning of the federal securities laws. The Company's actual results might differ materially from those projected in the forward-looking statements. Additional information concerning factors that could cause actual results to differ materially from those in the forward-looking statements is contained in the Company's Annual Report on Form 10-K and its other periodic reports filed with the Securities and Exchange Commission.

SOURCE Alexandria Real Estate Equities, Inc.