Release Details

Digital Realty Trust, Inc. Announces Tax Treatment of 2006 Dividends

January 22, 2007

SAN FRANCISCO, Jan. 22 /PRNewswire-FirstCall/ -- Digital Realty Trust (NYSE: DLR) today announced the tax treatment of its 2006 common and preferred stock dividends. Shareholders are urged to consult with their personal tax advisors as to their specific tax treatment of Digital Realty Trust's distributions.

    Digital Realty Trust, Inc. Common Stock Dividends
    CUSIP # 253868103
    Ticker Symbol: DLR

    During 2006, the reportable dividend totaling $1.06000 per share is
classified for income tax purposes as follows: $0.78360 per share (73.93%) as
ordinary taxable income; $0.27640 per share (26.07%) as return of capital on
2006 Form 1099-DIV.  The following table contains this information on a
quarterly basis.



                                                        2006
                                                      Ordinary
    Declaration    Record      Payment      Cash       Taxable  2006 Return
      Date*         Date        Date      Dividend    Dividend  of Capital
                                          ($ per       ($ per    ($ per
                                           share)      share)     share)
    11/08/2005   12/30/2005   01/13/2006   $0.26500   $0.19590   $0.06910
    02/27/2006   03/15/2006   03/31/2006   $0.26500   $0.19590   $0.06910
    05/01/2006   06/15/2006   06/30/2006   $0.26500   $0.19590   $0.06910
    07/31/2006   09/15/2006   10/02/2006   $0.26500   $0.19590   $0.06910
    2006 Totals                            $1.06000   $0.78360   $0.27640

    *  For the common dividend declared on December 29, 2006 and paid on
       January 16, 2007, $0.28625 is considered a reportable dividend for 2007
       income tax purposes.



    Digital Realty Trust, Inc. Preferred Stock Dividends

    Series A Preferred Stock Dividends
    CUSIP # 253868202
    Ticker Symbol: DLR-PA

During 2006, reportable dividends for Digital Realty's Series A Preferred stock were $2.12500 per share. For tax reporting purposes, $2.12500 (100%) of the 2006 reportable dividend will be classified as ordinary taxable income. The following table contains this information on a quarterly basis.

                                                        2006
                                                      Ordinary  Percentage
    Declaration    Record       Payment      Cash      Taxable     2006
      Date          Date         Date      Dividend   Dividend   Ordinary
                                           ($ per      ($ per    Taxable
                                            share)      share)   Dividend
    02/27/2006   03/15/2006   03/31/2006   $0.53125   $0.53125   100.00%
    05/01/2006   06/15/2006   06/30/2006   $0.53125   $0.53125   100.00%
    07/31/2006   09/15/2006   10/02/2006   $0.53125   $0.53125   100.00%
    10/31/2006   12/15/2006   12/29/2006   $0.53125   $0.53125   100.00%
    2006 Totals                            $2.12500   $2.12500   100.00%



    Series B Preferred Stock Dividends
    CUSIP # 253868301
    Ticker Symbol: DLR-PB

During 2006, reportable dividends for Digital Realty's Series B Preferred stock were $1.96876 per share. For tax reporting purposes, $1.96876 (100%) of the 2006 reportable dividend will be classified as ordinary taxable income. The following table contains this information on a quarterly basis.

                                                        2006
                                                      Ordinary  Percentage
    Declaration    Record       Payment      Cash      Taxable     2006
      Date          Date         Date      Dividend   Dividend   Ordinary
                                           ($ per      ($ per    Taxable
                                            share)      share)   Dividend
    02/27/2006   03/15/2006   03/31/2006   $0.49219   $0.49219   100.00%
    05/01/2006   06/15/2006   06/30/2006   $0.49219   $0.49219   100.00%
    07/31/2006   09/15/2006   10/02/2006   $0.49219   $0.49219   100.00%
    10/31/2006   12/15/2006   12/29/2006   $0.49219   $0.49219   100.00%
    2006 Totals                            $1.96876   $1.96876   100.00%



    About Digital Realty Trust, Inc.

Digital Realty Trust, Inc. owns, acquires, repositions and manages technology-related real estate. Digital Realty Trust's 60 properties contain applications and operations critical to the day-to-day operations of technology industry tenants and corporate enterprise datacenter tenants. Comprising approximately 11.4 million rentable square feet, including 1.5 million square feet of space held for redevelopment, Digital Realty Trust's portfolio is located in 25 markets throughout North America and Europe. For additional information, please visit the Digital Realty Trust's website at http://www.digitalrealtytrust.com.

Safe Harbor Statement

This press release contains forward-looking statements, including related to the payment of dividends, 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; defaults on or non-renewal of leases by tenants; increased interest rates and operating costs; inability to manage growth effectively; failure to obtain necessary outside financing; decreased rental rates or increased vacancy rates; difficulties in identifying properties to acquire and completing acquisitions; failure to successfully operate acquired properties and operations, failure of acquired properties to perform as expected; 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; 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 Securities and Exchange Commission, including the Company's annual report on Form 10-K for the year ended December 31, 2005. 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.             (415) 738-6500
    (415) 738-6500

SOURCE Digital Realty Trust, Inc.

Contact: A. William Stein, Chief Financial Officer and Chief Investment Officer, or Pamela A. Matthews, Investor/Analyst Information, both of Digital Realty Trust, Inc., +1-415-738-6500