SAN FRANCISCO, January 5 /PRNewswire/ --

Digital Realty Trust, Inc. (NYSE: DLR), the world's largest wholesale datacentre provider, has been recognised for Innovation in an Outsourced Environment by the prestigious Datacentre Leaders' 2008 Awards. Digital Realty Trust received the honor for a Turn-Key Datacentre(TM) that Digital Realty Trust delivered to IBM to support growth of the company's hosting business in France.

The Datacentre Leaders' Awards recognise innovation and reward excellence in facility design and operations in the U.K. and across Europe. Winners of the Datacentre Leaders' 2008 Awards were announced at a ceremony on 17 December at London's Royal Lancaster Hotel. The annual awards are issued by DatacenterDynamics (www.datacenterdynamics.com), which hosts a global series of conferences and educational forums for professionals involved in the design, construction and operation of 24/7 mission critical IT facilities.

It is an honor to receive this award, particularly for this project with IBM. By establishing its new datacentre in our Turn-Key Datacentre facility in Paris, IBM was able to eliminate capital requirements and meet all of its rigorous technical and financial objectives for the project, said Bernard Geoghegan, Senior Vice President at Digital Realty Trust. We are also proud of this award because it recognises our expertise in datacentre design using environmentally sustainable development methods as well as our industry-leading approach to maximising energy efficiency.

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 North America and Europe. 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 The Datacentre Leaders' Awards

The Datacentre Leaders' Awards were launched in 2007 by DatacenterDynamics Ltd. in order to recognise innovation and reward excellence in facility design and operations not only in the UK but across Europe. The Datacentre Leaders' Awards are an opportunity to showcase the professionalism and ingenuity of this important sector. This Awards programme is about individuals and teams, the people who make this industry what it is today, not just about products and technologies. As well as offering peer recognition, the Awards are an excellent opportunity to demonstrate industry best practice. For more information, visit www.datacenterdynamics.com.

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 tenants and corporate enterprise datacentre tenants. Comprising approximately 1.2 million rentable square metres (12.9 million rentable square feet) as of November 5, 2008, including 150,000 square metres (1.6 million square feet) of space held for redevelopment, Digital Realty Trust's portfolio is located in 27 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; general economic slow-downs or recessions; reductions in information technology spending; difficulties in or inability to lease space, including redeveloped space; construction and development delays or increased costs of construction; tenant bankruptcies or defaults under leases by tenants; failure to commence rental payments on time under signed leases; increased interest rates; increased operating costs; failure to obtain necessary outside financing; decreased rental rates or increased vacancy rates; difficulties in identifying properties to acquire and completing acquisitions at all or at acceptable return levels; failure to successfully operate acquired properties; failure of acquired or redeveloped properties to perform as expected; reductions in property values; 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, 2007 and the Company's quarterly reports on Form 10-Q for the quarters ended March 31, 2008, June 30, 2008 and September 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

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 Services, +1-214-231-1350, all of Digital Realty Trust, Inc.