SAN FRANCISCO and LONDON, February 14 /PRNewswire/ --

- Interactive Web Presentation Will Take Place on Monday, 18 February

Digital Realty Trust, Inc. (NYSE: DLR), a leading owner and manager of corporate and Internet gateway datacentres, will present a Webinar about emerging trends in the European datacentre market on Monday, 18 February 2008 at 12:00 p.m. GMT. The Webinar will be hosted by Bernard Geoghegan, Vice President, who oversees Digital Realty Trust's operations in Europe. Digital Realty Trust's portfolio consists of 70 properties located in 26 markets throughout Europe and North America.

Topics addressed in this presentation will include: -- Major trends that will influence the European datacentre market in 2008 -- The leading issues driving datacentre expansion requirements -- Key factors in selecting a geographic location for a new datacentre -- Important power requirements for new datacentres -- The impact of virtualization on datacentre space requirements -- Criteria that users are adopting to evaluate potential partners and make their datacentre decisions -- Comparisons between datacentre requirements in the Europe and in the United States

To register for this Webinar, visit http://www.digitalrealtytrust.com/email/DLR_EM_BG_Webinar_Invite.htm. An archived version of the Webinar will also be available at http://www.digitalrealtytrust.com after 18 February 2008.

About Digital Realty Trust, Inc.

Digital Realty Trust, Inc. owns, acquires, redevelops, develops and manages technology-related real estate. The Company is focused on providing Turn-Key Datacentre(TM) and Powered Base Building(TM) datacentre 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 70 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 datacentre tenants. Comprising approximately 12.3 million rentable square feet as of February 7, 2008, including 1.8 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; reduced IT spending, 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 or unexpected costs related thereto; 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, or SEC, including the Company's annual report on Form 10-K for the year ended December 31, 2006, as updated by subsequent reports on Form 10-Q and Form 8-K filed with the SEC. 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.

For Additional Information: A. William Stein Pamela A. Matthews Chief Financial Officer and Investor/Analyst Information Chief Investment Officer Digital Realty Trust, Inc. Digital Realty Trust, Inc. +1-415-738-6500 +1-415-738-6500 Chris Crosby Sales & Technical Operations Digital Realty Trust, Inc. +1-214-231-1350

Web site: http://www.digitalrealtytrust.com

A. William Stein, Chief Financial Officer and Chief Investment Officer, or Pamela A. Matthews, Investor | Analyst Information, both +1-415-738-6500, or Chris Crosby, Sales & Technical Operations, +1-214-231-1350, all of Digital Realty Trust, Inc.