Archstone-Smith Management to Present at the
Credit Suisse 2007 Global Real Estate Conference

DENVER — April 4, 2007 — Archstone-Smith (NYSE:ASN) today announced that the company's presentation at the Credit Suisse 2007 Global Real Estate Conference will be held on Wednesday, April 11, 2007, at 2:30 p.m. EST.

For live access to the presentation, visit the Investors section of the company website, www.archstonesmith.com.

The presentation will be archived on the company's website approximately 24 hours after its completion and will be available for 90 days.

Archstone-Smith (NYSE: ASN), an S&P 500 company, is a recognized leader in apartment investment and operations. With a current total market capitalization of $20.2 billion, the company's portfolio is concentrated in many of the most desirable neighborhoods in the Washington, D.C. metropolitan area, Southern California,  the New York City metropolitan area, the San Francisco Bay Area, Boston and Seattle. The company continually upgrades the quality of its portfolio through the selective sale of assets, using proceeds to fund investments in assets with even better growth prospects. Through its two brands, Archstone and Charles E. Smith, Archstone-Smith strives to provide great apartments and great service to its customers – backed by unconditional service guarantees. As of December 31, 2006, the company owned or had an ownership position in 348 communities, representing 88,011 units, including units under construction.

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Archstone-Smith's archived press releases are available on its web site at www.ArchstoneSmith.com or may be obtained by calling (800) 982-9293.

In addition to historical information, this press release and quarterly supplemental information contain forward-looking statements and information under the federal securities law. These statements are based on current expectations, estimates and projections about the industry and markets in which Archstone-Smith operates, management's beliefs and assumptions made by management. While Archstone-Smith management believes the assumptions underlying its forward-looking statements and information are reasonable, such information is necessarily subject to uncertainties and may involve certain risks, many of which are difficult to predict and are beyond management's control. As such, these statements and information are not guarantees of future performance, and actual operating results may differ materially from what is expressed or forecasted in this press release and supplemental information. In addition, the historical performance described herein is not a guarantee of future performance, which may differ materially from past results. See "Risk Factors" in Archstone-Smith's 2006 Annual Report on Form 10-K for factors which could affect Archstone-Smith's future financial performance.