PARIS and LONDON, October 9 /PRNewswire/ --

- New Paris Datacentre to Provide Mission Critical IT Infrastructure to IBM

Digital Realty Trust, Inc. (NYSE: DLR), the leading owner and manager of corporate and Internet gateway datacentres, has completed a Turn-Key Datacentre(TM) lease agreement with IBM. Under this agreement, IBM will establish a new hosting datacentre in Digital Realty Trust's property located in suburban Paris.

"IBM understands the value of green datacentre design both in terms of the impact on the bottom line and its importance for corporate responsibility. It is great to work with a company such as Digital Realty Trust that is taking such a forward-looking approach to energy efficient datacentre design," commented Francois Domine, Directeur IBM Business Continuity & Security Services IBM Global Technology Services -- France Northwest Africa.

"We are very pleased to establish our relationship with IBM in France with this new Turn-Key Datacentre(TM) agreement," said Bernard Geoghegan, Senior Vice President, Europe of Digital Realty Trust. "In terms of speed to market, with our Turn-Key Datacentre(TM) product based on our POD Architecture(TM) we are able to meet the datacentre requirements of customers such as IBM in six to eight weeks from the time we come to an agreement -- well ahead of current industry standards."

This new datacentre is an example of Digital Realty Trust's industry leadership in advancing the energy efficiency and reducing the environmental impact of datacentre facilities. This new Turn-Key Datacentre(TM) will be the first release of the new POD Architecture(TM) design in Paris. POD Architecture(TM) design configuration and construction methodology developed by Digital Realty Trust promotes the energy efficiency needed for green datacentre operation.

"Even in today's challenging economic climate, the Paris market is seeing constant and steady demand. The price of power in France combined with our energy efficient design makes our Paris facility a preferred infrastructure solution for many large customers and system integrators," added Geoghegan.

Digital Realty Trust Turn-Key Datacentre(TM) facilities provide state-of-the-art environments for supporting mission critical infrastructure, with advanced cooling, power, redundancy, and sustainability features to ensure that critical applications are available while optimising energy efficiency. Digital Realty Trust's Turn-Key Datacentres(TM) are scalable from hundreds of kilowatts of IT Load to megawatts of IT load and are located in markets throughout Europe and North America. Each Turn-Key Datacentre(TM) facility is physically secure and features a state-of-the-art power and cooling architecture that has been optimised for green operation. Every Turn-Key Datacentre(TM) is built using the company's proprietary POD Architecture(TM) and uses metered power to ensure that clients pay only for the power that they use.

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 74 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 and corporate enterprise datacenter tenants. Comprising approximately 12.9 million rentable square feet as of August 6, 2008, including 1.9 million square feet of space held for redevelopment, Digital Realty Trust's portfolio is located in 27 markets throughout Europe and North America. For additional information, please visit Digital Realty Trust's website at

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 or recession; construction and development delays, termination of leases by tenants; increased interest rates and operating costs; inability to manage domestic; 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, 2007 and the Company's quarterly reports on Form 10-Q for the quarters ended March 31, 2008 and June 30, 2008. 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 Chief Financial Officer and Chief Investment Officer Digital Realty Trust, Inc. +1-415-738-6500 Pamela A. Matthews Investor/Analyst Information Digital Realty Trust, Inc. +1-415-738-6500 Chris Crosby Sales & Technical Services Digital Realty Trust, Inc. +1-214-231-1350

Web site:

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