Digital Realty Trust Adds London Property to ISO Certified Properties

LONDON, January 25, 2011 /PRNewswire/ --

- Official Recognition of Information Security and Quality Management Systems with ISO 27001 and ISO 9001 Accreditation

Information security and quality management systems are fundamental considerations for corporate enterprises, particularly when it comes to the delivery of critical business applications. In order to best serve its customers, Digital Realty Trust, Inc. (NYSE: DLR), a leading global wholesale data centre provider, is committed to achieving the highest standards of practice in all markets where it provides customers with flexible, reliable and secure datacentre facilities.

For its Redhill Turn-Key Datacentre(R) in London, Digital Realty Trust has been accredited by the International Organization for Standardization (ISO) with ISO 27001 and ISO 9001 certifications. The ISO 27001 and 9001 standards are industry-leading accreditations for best practice in information security and quality management systems. These accreditations are in addition to ISO 27001 and ISO 9001 certifications for Digital Realty Trust's European Operations as well as its Dublin and Paris properties. These accreditations, which cover personnel, contractors, corporate information, the provision of data centre infrastructure, power, cooling and physical security, represent Digital Realty Trust's commitment to its customers.

"Information security and quality management systems are top priorities for businesses, and the processes required to safeguard data are constantly evolving," said Frederick S. Potter, Managing Director International for Digital Realty Trust. "Achieving these ISO certifications reflects our commitment to providing Digital Realty Trust customers with industry best practices by adopting and driving forward both information security and quality management systems."

The ISO 27001 Information Security Management System identifies Digital Realty Trust as exhibiting good corporate governance and having a clear framework for legal compliance. The standard ultimately certifies that Digital Realty Trust's Information Security Management system safeguards confidential customer information, and that it provides a basis for sharing information with other organisations in a secure manner.

The ISO 9001 Quality Management System is an internationally recognised standard for quality management. It provides a framework of globally acknowledged principles that Digital Realty Trust draws upon to ensure client satisfaction. The ISO 9001 standard also represents an accreditation for the quality of Digital Realty Trust's staff. In earning certification, the Company continues its commitment to delivering the highest standards of service to its customers.

About Digital Realty Trust, Inc.

Digital Realty Trust, Inc. enables customers to deliver critical business applications by providing secure, reliable and cost effective datacentre facilities. Digital Realty Trust's customers include domestic and international companies across multiple industry verticals ranging from information technology and Internet enterprises, to manufacturing and financial services. Digital Realty Trust's 96 properties, excluding two properties held as investments in unconsolidated joint ventures, comprise approximately 16.8 million square feet as of December 9, 2010, including 2.3 million square feet of space held for redevelopment. Digital Realty Trust's portfolio is located in 28 markets throughout Europe, North America and Singapore. For additional information, please visit Digital Realty Trust's website at http://www.digitalrealtytrust.co.uk.

Safe Harbour Statement

This press release contains forward-looking statements which are based on Digital Realty Trust, Inc.'s current expectations, forecasts and assumptions that involve risks and uncertainties that could cause actual outcomes and results to differ materially, including statements related to its practices and its ISO accreditation. These risks and uncertainties include, among others, the following: the impact of the recent deterioration in global economic, credit and market conditions; current local economic conditions in its geographic markets; decreases in information technology spending, including as a result of economic slowdowns or recession; adverse economic or real estate developments in its industry or the industry sectors that it sells to (including risks relating to decreasing real estate valuations and impairment charges); its dependence upon significant tenants; bankruptcy or insolvency of a major tenant or a significant number of smaller tenants; defaults on or non-renewal of leases by tenants; its failure to obtain necessary debt and equity financing; increased interest rates and operating costs; its failure to repay debt when due or its breach of covenants or other terms contained in its loan facilities and agreements; financial market fluctuations; changes in foreign currency exchange rates; its inability to manage its growth effectively; difficulty acquiring or operating properties in foreign jurisdictions; its failure to successfully operate acquired or redeveloped properties; risks related to joint venture investments, including as a result of its lack of control of such 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 centre space; its inability to successfully develop and lease new properties and space held for redevelopment; difficulties in identifying properties to acquire and completing acquisitions; its inability to acquire off-market properties; its inability to comply with the rules and regulations applicable to reporting companies; its failure to maintain its status as a REIT; possible adverse changes to tax laws; restrictions on its 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; 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 Digital Realty Trust, Inc. with the U.S. Securities and Exchange Commission, including Digital Realty Trust, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2009 and Digital Realty Trust, Inc.'s Quarterly Reports on Form 10-Q for the quarters ended March 31, 2010, June 30, 2010 and September 30, 2010. Digital Realty Trust, Inc. 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:
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    A. William Stein      Pamela A. Matthews      Frederick S. Potter
    Chief Financial       Investor/Analyst        Head of International 
    Officer and Chief     Information             Operations
    Investment Officer                                          
    Digital Realty        Digital Realty          Digital Realty
    Trust, Inc.           Trust, Inc.             Trust, Inc.
    +1-415-738-6500       +1-415-738-6500         +44-207-954-9100