Digital Realty Trust Announces Appointment of Robert H. Zerbst to Board of Directors

November 3, 2009

SAN FRANCISCO, Nov. 3 /PRNewswire-FirstCall/ -- Digital Realty Trust, Inc. (NYSE: DLR), the world's largest wholesale datacenter provider, announced today that its Board of Directors has appointed Robert H. Zerbst to the Board of Directors.

Mr. Zerbst is a highly respected veteran of the real estate industry. After joining CB Richard Ellis Investors as President in 1997, he served as its Chief Executive Officer from 1998 - 2006 and as Chairman from 2007 - 2008, where he had overall responsibility for investment policy and the strategic direction of the firm. He led the growth and transformation of CB Richard Ellis Investors from a domestic pension fund adviser with $3.7 billion of assets under management to a multi-strategy, global investment organization with a portfolio of more than $42 billion. In 1981 Mr. Zerbst founded and served as Chief Executive Officer of Piedmont Realty Advisors, a San Francisco-based real estate investment manager. In 1991, Piedmont merged with The RREEF Funds. While a partner at RREEF, he was responsible for all investments in the western United States and opportunistic investments nationally.

Mr. Zerbst is also a member of the Pension Real Estate Association (PREA); current Chairman of the National Association of Real Estate Investment Managers (NAREIM); Board member of the National Council of Real Estate Investment Fiduciaries (NCREIF), Real Estate Round Table, Los Angeles World Affairs Council, Asia Society and the Policy Advisory Board of the Fisher Center at the Haas School of Business, University of California at Berkeley; and a Trustee of the San Francisco Conservatory of Music.

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® 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 79 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 14.0 million rentable square feet as of November 3, 2009, 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.

Forward-Looking 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 the impact of the current deterioration in the global economy; future income, expenses, including property taxes, and capital expenditures for the properties being acquired being consistent with our due diligence and underwriting expectations; bankruptcy or insolvency of one or more tenants at the properties being acquired; the downturn of economic conditions in our geographic markets, including the markets where the properties being acquired are located; 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; defaults on or non-renewal of leases by tenants; our failure to obtain necessary debt and equity financing for refinancing; 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; our ability to manage our growth effectively; our failure to successfully operate acquired or redeveloped properties; 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.

    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

SOURCE Digital Realty Trust, Inc.