Digital Realty Trust Promotes Jim Smith to Chief Technology Officer

   In CTO Role, Smith Will Lead Digital Realty Trust's Use of Datacenter

                         Infrastructure Technology



    SAN FRANCISCO, Aug. 18 /EMWNews/ -- Digital Realty Trust,

Inc. (NYSE: DLR), the leading owner and manager of corporate and Internet

gateway datacenters, has promoted Jim Smith to the role of Chief Technology

Officer (CTO). Mr. Smith has served as the Company's Vice President of

Engineering. As the first person to hold the title of CTO at Digital Realty

Trust, he will take the lead role in directing Digital Realty Trust's

implementation of datacenter technologies.



    "Jim's work has had a profound impact on the way we design and operate

all of our facilities, and this promotion to CTO will allow him to play an

even greater role in how we utilize technology to drive increasing value

for our customers by reducing costs, increasing operating efficiencies, and

developing Green operating environments," said Michael F. Foust, CEO of

Digital Realty Trust. "He was recently recognized as one of the top

technologists in the industry by InfoWorld, and we are proud to call him

our own. Digital Realty Trust is changing the face of the datacenter

industry, and he is a big part of our success story."



    Last month, Mr. Smith was recognized in InfoWorld's Top 25 Chief

Technology Officers for 2008, a list of the top technologists in the IT

industry. InfoWorld's profile of Mr. Smith put a spotlight on 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.



    As Vice President of Engineering, Mr. Smith was responsible for all

datacenter development projects, spearheaded the Company's efficiency and

green datacenter strategy, and managed power procurement and energy

management. In the past three years, Mr. Smith and the Digital Realty Trust

team have delivered more than 100,000 kW (100 MW) of UPS capacity on over

40 datacenter projects in North America and Europe -- including the

industry's first LEED Gold certified Datacenter. Mr. Smith has a BSc in

Chemistry from Fort Lewis College and an MBA from London Business School.

    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 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

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 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 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.






     For Additional Information:

     A. William Stein               Pamela A. Matthews

     Chief Financial Officer        Investor/Analyst Information

     and Chief Investment Officer   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