Exhibit 99
Form 3 Joint Filer Information

Name:                                        Global Innovation Manager, LLC
Relationship to Issuer:                        Manager of Global Innovation Partners, LLC
Address:                                2730 Sand Hill Road, Suite 280
                                        Menlo Park, CA 94025
                                        
Designated Filer:                        Global Innovation Partners, LLC
Issuer & Ticker Symbol:                        Digital Realty Trust, Inc. (DLR)
Date of Event Requiring Statement:        October 28, 2004 
                                        
                                        Signature:  /s/ Rachel K. Muir                                                 
                                        Date:             October 28, 2004                                        
                                        By:             Rachek K. Muir                                                
                                        Title:             Attorney-in-fact                                                
                                                
The reporting person directly (whether through ownership or position) or indirectly through one 
or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange 
Act of 1934, as amended, to be the indirect beneficial owner of the Common Units owned by 
Global Innovation Partners, LLC and, therefore, a "ten percent holder" hereunder. The reporting 
person disclaims beneficial ownership of the securities reported herein, except to the extent of its 
pecuniary interest therein, and this report shall not be deemed an admission that the reporting 
person is the beneficial owner of such securities for purposes of Section 16 or for any other 
purposes.