IDG's InfoWorld Names Digital Realty Trust's Jim Smith One of the Top 25 Chief Technology Officers for 2008

SAN FRANCISCO, June 5 /PRNewswire-FirstCall/ -- Digital Realty Trust,
Inc. (NYSE: DLR), the leading owner and manager of corporate and Internet
gateway datacenters, announced today that IDG's InfoWorld, the leading
integrated media brand for IT decision makers, has named Digital Realty
Trust's Jim Smith as one of InfoWorld's Top 25 Chief Technology Officers
for 2008.

Every year since 2001, InfoWorld has honored senior IT executives who
have demonstrated leadership within their companies and in the IT
community. The InfoWorld CTO 25 feature, including InfoWorld's expert
reporting and analysis, appears online at http://www.infoworld.com/5265.

Jim Smith, Vice President of Engineering at Digital Realty Trust, was
recognized for this award for his role leading Digital Realty Trust's green
datacenter initiatives and his extensive industry education efforts to
broaden adoption of green best practices. Digital Realty Trust has achieved
a number of industry firsts for green datacenters, including building the
first LEED Gold datacenter, being the first company to report PUE energy
efficiency data about its datacenter facilities, being the first real
estate company to become a Contributor Member of The Green Grid, and being
the first company to adopt a number of other green best practices across
its global portfolio of datacenter facilities.

"Jim's work has had a significant positive impact on the way we design
and operate our portfolio of datacenter facilities in the United States and
Europe -- ensuring that our customers' datacenters run at peak efficiency.
Just as importantly, Jim's work has clearly contributed to the industry's
progress in making all datacenters more energy efficient and
environmentally responsible," commented Michael F. Foust, CEO of Digital
Realty Trust. "Additionally, the recognition that he has received for his
accomplishments and contributions to IT green initiatives is unique among
real estate companies. We are very proud to have Jim as a senior member our
team. He is an important asset to Digital Realty Trust and to the entire
industry,"

"We selected Jim Smith for this year's list because of his important
contributions to the industry-wide effort to increase datacenter energy
efficiency -- an often overlooked area where there is great potential for
energy savings," said Galen Gruman, executive editor of InfoWorld. "In
addition to leading Digital Realty Trust's global green datacenter
initiatives, Jim Smith has also devoted a significant amount of time
instructing datacenter professionals about how to optimize datacenter
operations and increase energy efficiency -- sharing best practices, case
studies and benchmarking data. That commitment to public education is
something that many of the CTOs on this year's list share, positively
impacting the industry as a whole beyond that of their own companies."

About InfoWorld Media Group

InfoWorld Media Group helps IT Decision Makers choose the right
technology, within the context of a cohesive strategy for business impact
at their organizations. InfoWorld identifies and promotes emerging
technology segments that add unique value for the organizations that
implement them, as well as the vendors that provide those solutions. Using
an integrated communications approach including online, events, research,
and a continued investment in an independent Test Center, InfoWorld
analysts and editors provide hands-on analysis and evaluation, as well as
expert commentary on issues surrounding emerging technologies and products.
Visit InfoWorld at http://www.infoworld.com.

About International Data Group

International Data Group (IDG) is the world's leading technology media,
events, and research company. IDG's online network includes more than 450
web sites spanning business technology, consumer technology, digital
entertainment and video games worldwide. IDG also publishes more than 300
magazines and newspapers in 85 countries. IDG's media brands include CIO,
CSO, Computerworld, GamePro, InfoWorld, Macworld, Network World, and PC
World. IDG's lead-generation service, IDG Connect, matches technology
companies with an audience of engaged, high-quality IT professionals,
influencers, and decision makers. IDG is a leading producer of more than
750 technology-related events including Macworld Conference & Expo,
LinuxWorld Conference & Expo, Entertainment for All Expo (E for All), DEMO,
Storage Networking World, and IDC Directions. IDC, a subsidiary of IDG, is
the premier global provider of market intelligence, advisory services, and
events. Over 900 IDC analysts in more than 90 countries provide global,
regional, and local expertise on technology and industry opportunities and
trends. Additional information about IDG, a privately held company, is
available at http://www.idg.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 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 71 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 12.7 million square feet as of
May 8, 2008, including 1.9 million square feet of space held for
redevelopment, Digital Realty Trust's portfolio is located in 26 markets
throughout Europe and North America. 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 our markets, the technology industry or the
industries of our tenants; our failure to obtain necessary outside debt or
equity financing; inability to successfully develop or redevelop and lease
new properties and space held for redevelopment; delays or unexpected costs
in development or redevelopment of properties; our dependence upon
significant tenants; bankruptcy or insolvency of a major tenant; downturn
of local, national or global economic conditions or recession; our
inability to manage our growth effectively; difficulty acquiring or
operating properties in foreign jurisdictions; defaults on or non-renewal
of leases by tenants; increased interest rates and operating costs;
restrictions on our ability to engage in certain business activities; risks
related to joint venture investments; decreased rental rates or increased
vacancy rates; difficulties in identifying properties to acquire and
completing acquisitions; increased competition or available supply of data
center space; our failure to successfully operate acquired or redeveloped
properties; our inability to acquire off-market property; our failure to
maintain our status as a REIT; our inability to comply with the rules and
regulations applicable to public companies; possible adverse changes to tax
laws; environmental uncertainties and risks related to natural disasters;
financial market fluctuations; changes in foreign currency exchange rates;
changes in foreign laws and regulations, including those related to
taxation and real estate ownership and operation; 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 subsequent reports Form
8-K and 10-Q 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 Services
Digital Realty Trust, Inc.
+1 214-231-1350

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[Via Real Estate Newswire]