Digital Realty Trust, Inc.

Digital Realty Trust, Inc. Signs Major Leases f...

SAN FRANCISCO and DUBLIN, Ireland, January 22 /PRNewswire/ --

    Digital Realty Trust, Inc. (NYSE: DLR), a leading owner and manager of
corporate datacenters and Internet gateways, announced today the signing of
two major leases totaling approximately 210,500 square feet at projects in
Santa Clara, California and Dublin, Ireland.

    The Company signed a long term lease for Turn-Key Datacenter(TM) space
with a leading Web 2.0 social networking company for an 86,000 square foot
single building redevelopment project in Santa Clara, California. The Company
also leased during the quarter its new ground up development project, located
in Dublin, Ireland, to one of Ireland's largest telecommunications service
suppliers. Of the building's 124,500 square feet, 64,500 square feet was
leased on a Powered Base Building(TM) basis and the remaining 60,000 square
feet was leased on a Turn-Key Datacenter(TM) basis.

    "These leases demonstrate the success of our redevelopment program and we
are pleased with our overall leasing performance during the fourth quarter of
2007," commented Michael F. Foust, Chief Executive Officer of Digital Realty
Trust. "Our products offer corporate enterprise customers, including
financial institutions, other global Fortune 1000 and Web 2.0 companies
alike, as well as large system integrators, flexible, cost effective,
customer-oriented solutions for their immediate and longer term
datacenter requirements, making Digital Realty Trust a preferred business

    "A record number of leases were signed for our Turn-Key Datacenter(TM)
space during the quarter and we see this accelerating pace continuing into
2008," added Chris Crosby, Senior Vice President of Digital Realty Trust.
"Markets where the Company is experiencing the strongest demand include
Chicago, Northern New Jersey, Silicon Valley, Phoenix, Dallas and Northern
Virginia in the U.S. and London, Dublin, and Paris in Europe."

    Digital Realty Trust's Turn-Key Datacenters(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 facility is
physically secure and features a state-of-the-art power and cooling
architecture that has been optimized for green operation. Every Turn-Key
Datacenter(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. Each Turn-Key facility is also managed via Digital Realty Trust's
Critical Facilities Management(TM) program to ensure the maximum uptime of
mission critical applications.

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 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 datacenter
tenants. Comprising approximately 12.3 million rentable square feet as of
January 7, 2008, including 1.9 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

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 forward-looking statements include statements related to
2008 leasing momentum and the markets where we are experiencing the strongest
demand. These risks and uncertainties include adverse economic or real estate
developments in the Company's markets or the technology industry; general
economic conditions; 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

    Chris Crosby
    Sales & Technical Operations
    Digital Realty Trust, Inc.

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