Facility Earns Highest LEED Certification for Green, Sustainable Buildings; Occupied by NVIDIA Corporation SAN FRANCISCO, Oct. 5 /PRNewswire-FirstCall/ -- Digital Realty Trust, Inc. (NYSE:DLR), the world's largest wholesale datacenter provider, has been awarded a LEED Platinum certification from the U.S. Green Building Council (USGBC) for a new datacenter facility located in Silicon Valley. The facility will be utilized by NVIDIA (NASDAQ:NVDA), the world leader in visual computing technologies, to house a datacenter to support mission-critical systems for its global IT infrastructure. The Leadership in Energy and Environmental Design (LEED) Green Building Rating System(TM) is a third-party certification program and the nationally accepted benchmark for the design, construction and operation of high performance green buildings. LEED promotes a whole-building approach to sustainability by recognizing performance in five key areas of human and environmental health: sustainable site development, water savings, energy efficiency, materials selection and indoor environmental quality. The certification of the Silicon Valley datacenter is the latest milestone in Digital Realty Trust's industry-leading green datacenter program. The facility was developed using sustainable design principles, construction techniques and input materials that enabled it to achieve the highest LEED rating, including airside economization, which enables the facility to use 100 percent outside air for cooling. Based on historical weather data for this location, the datacenter will be able to take advantage of this feature more than 65 percent of each year. At full load, this will deliver approximately 3.5 million kilowatt hours of annual energy savings worth more than $250,000 annually at today's energy prices. Using this architecture, the site achieved a peak power usage effectiveness (PUE) rating of 1.31 during the commissioning process. The site also supports real-time PUE monitoring, allowing users to monitor PUE in 15-minute increments and identify trends in PUE metrics over time. "Achieving LEED platinum certification means that attention has been paid to every aspect of the building's design and construction, including the operating energy efficiency of the finished datacenter as well as often overlooked, key issues such as building materials, materials re-use and construction practices," said Jim Smith, CTO of Digital Realty Trust. "Through a LEED program in conjunction with a PUE-optimized datacenter, we have been able to repeatedly meet sustainable and effective corporate green strategies." "Operating our data centers efficiently is a critical focus of NVIDIA's IT strategy which supports our overall environmental goals," said Ranga Jayaraman, chief information officer, NVIDIA. "Digital Realty Trust's leadership in building and operating highly energy efficient data centers will enable us to better track the performance of our operations and drive continuous improvements to more quickly achieve our environmental goals." Digital Realty Trust also earned LEED-CI Gold certification for its 1500 Space Park property in Santa Clara in June, and has numerous additional projects in process for LEED certification. The latest NVIDIA facility is the first LEED Platinum certified data center in Silicon Valley. Digital Realty Trust worked with local utilities to receive LEED rebates and incentives during for the development of this property. About the U.S. Green Building Council The U.S. Green Building Council is a nonprofit membership organization whose vision is a sustainable built environment within a generation. Its membership includes corporations, builders, universities, government agencies, and other nonprofit organizations. Since USGBC's founding in 1993, the Council has grown to more than 17,000 member companies and organizations, a comprehensive family of LEED® green building rating systems, an expansive educational offering, the industry's popular Greenbuild International Conference and Expo (http://www.greenbuildexpo.org/), and a network of 78 local chapters, affiliates, and organizing groups. For more information, visit http://www.usgbc.org/. About LEED The LEED® (Leadership in Energy and Environmental Design) Green Building Rating System(TM) is a feature-oriented rating system that awards buildings points for satisfying specified green building criteria. The six major environmental categories of review include: Sustainable Sites, Water Efficiency, Energy and Atmosphere, Materials and Resources, Indoor Environmental Quality and Innovation and Design. Certified, Silver, Gold, and Platinum levels of LEED green building certification are awarded based on the total number of points earned within each LEED category. LEED can be applied to all building types including new construction, commercial interiors, core & shell developments, existing buildings, homes, neighborhood developments, schools and retail facilities. Incentives for LEED are available at the state and local level and LEED has also been adopted nationwide by federal agencies, state and local governments, and interested private companies. For more information, visit http://www.usgbc.org/LEED. About Digital Realty Trust, Inc. Digital Realty Trust owns, acquires, redevelops, develops and manages technology-related real estate. The Company is focused on providing Turn-Key Datacenter® and Powered Base Building® 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 77 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 13.8 million square feet as of September 29, 2009, 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 http://www.digitalrealtytrust.com/. About NVIDIA NVIDIA (NASDAQ:NVDA) awakened the world to the power of computer graphics when it invented the graphics processing unit (GPU) in 1999. Since then, it has consistently set new standards in visual computing with breathtaking, interactive graphics available on devices ranging from portable media players to notebooks to workstations. NVIDIA's expertise in programmable GPUs has led to breakthroughs in parallel processing which make supercomputing inexpensive and widely accessible. Fortune magazine has ranked NVIDIA #1 in innovation in the semiconductor industry for two years in a row. For more information, see http://www.nvidia.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, including statements related to expected cost saving resulting from the use of energy efficient design and construction techniques. These risks and uncertainties include the impact of the current deterioration in the global economy, including the turmoil in the financial and credit markets; the downturn of local economic conditions in our geographic markets; decreases in information technology spending, including as a result of economic slowdowns or recession; adverse economic or real estate developments in our industry or the industry sectors that we sell to; decreases in real estate valuations and resulting impairment charges; our dependence upon significant tenants; bankruptcy or insolvency of one or more major tenants or a significant number of smaller tenants; defaults on or non-renewal of leases by tenants; our failure to obtain necessary debt and equity financing for refinancing current debt obligations, undertaking or completing redevelopment, completing acquisitions or other purposes; increased interest rates and operating costs; our failure to repay debt when due or our breach of covenants or other terms contained in our loan documents; financial market fluctuations; changes in foreign currency exchange rates; our ability to manage our growth effectively; difficulty acquiring or operating properties in foreign jurisdictions; our failure to successfully operate acquired or redeveloped properties; risks related to joint venture investments, including as a result of our lack of control of certain of these investments; delays or unexpected costs in development or redevelopment of properties; decreased rental rates or increased vacancy rates; increased competition or available supply of data center space; inability to successfully redevelop and lease new properties and space held for redevelopment; difficulties in identifying properties to acquire and completing acquisitions; our inability to acquire off-market properties; our inability to comply with the rules and regulations applicable to public companies; our failure to maintain our status as a REIT; possible adverse changes to tax laws; restrictions on our ability to engage in certain business activities; environmental uncertainties and risks related to natural disasters; changes in foreign laws and regulations, including those related to taxation and real estate ownership and operation; 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, 2008 and the Company's quarterly reports on Form 10-Q for the quarters ended March 31, 2009 and June 30, 2009. 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. Turn-Key Datacenter, Powered Base Building and POD Architecture are registered trademarks of Digital Realty Trust. For Additional Information: A. William Stein Pamela A. Matthews Chief Financial Officer and Director of Investor Relations Chief Investment Officer Digital Realty Trust, Inc. Digital Realty Trust, Inc. +1 415-738-6500 +1 415-738-6500 DATASOURCE: Digital Realty Trust, Inc. CONTACT: A. William Stein, Chief Financial Officer and Chief Investment Officer, or Pamela A. Matthews, Director of Investor Relations, +1-415-738-6500, both of Digital Realty Trust, Inc. Web Site: http://www.digitalrealtytrust.com/ http://www.nvidia.com/ http://www.usgbc.org/

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