Release Details

Digital Realty Trust, Inc. Acquires Savvis Headquarters and National Operations Center Facility in St. Louis

August 29, 2007

SAN FRANCISCO, Aug. 29 /PRNewswire-FirstCall/ -- Digital Realty Trust, Inc. (NYSE: DLR), a leading owner and manager of corporate datacenters and Internet gateways, announced today the acquisition of One Savvis Parkway, a 156,000 square foot office building located in suburban St. Louis, Missouri. The purchase price was $27.7 million.

The five-story building is 100% leased on a triple net basis through July 2017 to Savvis, Inc. The building serves as its corporate headquarters and national Network Operations Center facility.

"The acquisition of this property represents a very attractive risk-adjusted return for DLR," commented Michael Foust, CEO of Digital Realty Trust. "Savvis continues to be a very important customer for DLR and we are pleased to have its headquarters as part of our operating portfolio."

About Digital Realty Trust, Inc.

Digital Realty Trust, Inc. owns, acquires, repositions and manages technology-related real estate. The Company is focused on providing Turn-Key Datacenter(TM) and Powered Base Building(TM) datacenter solutions for domestic and international tenants across a variety of industry verticals ranging from information technology and internet enterprises, to manufacturing and financial services. Digital Realty Trust's 65 properties, excluding one property held as an investment in an unconsolidated joint venture, contain applications and operations critical to the day-to-day operations of technology industry tenants and corporate enterprise datacenter tenants. Comprising approximately 11.8 million rentable square feet, including 1.7 million square feet of space held for redevelopment, Digital Realty Trust's portfolio is located in 26 markets throughout North America and Europe. For additional information, please visit Digital Realty Trust's website at http://www.digitalrealtytrust.com.

Safe Harbor Statement

This press release contains forward-looking statements which are based on current expectations, forecasts and assumptions that involve risks and uncertainties that could cause actual outcomes and results to differ materially. These risks and uncertainties include adverse economic or real estate developments in the Company's markets or the technology industry; general economic conditions; defaults on or non-renewal of leases by tenants; increased interest rates and operating costs; inability to manage domestic and international growth effectively; failure to obtain necessary outside financing; decreased rental rates or increased vacancy rates; difficulties in identifying properties to acquire and completing acquisitions at acceptable return levels; failure to successfully operate acquired properties and operations, failure of acquired properties to perform as expected; failure to successfully redevelop properties acquired for such purposes; failure to maintain the Company's status as a REIT; environmental uncertainties and risks related to natural disasters; financial market fluctuations; changes in foreign currency exchange rates; risks of operating in foreign markets; and changes in real estate and zoning laws and increases in real property tax rates. For a further list and description of such risks and uncertainties, see the reports and other filings by the Company with the United States Securities and Exchange Commission, including the Company's annual report on Form 10-K for the year ended December 31, 2006. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

    A. William Stein                       Pamela A. Matthews
    Chief Financial Officer and            Investor/Analyst Information
    Chief Investment Officer               Digital Realty Trust, Inc.
    Digital Realty Trust, Inc.             (415) 738-6532
    (415) 738-6500

SOURCE Digital Realty Trust, Inc.

Contact: A. William Stein, Chief Financial Officer and Chief Investment Officer, +1-415-738-6500, or Pamela A. Matthews, Investor-Analyst Information, +1-415-738-6532, both of Digital Realty Trust, Inc.