CORPORATE & SHAREHOLDER INFORMATION CORPORATE INFORMATION SENIOR MANAGEMENT BOARD OF DIRECTORS CORPORATE OFFICE STOCK TRANSFER AGENT TICKER SYMBOL INVESTOR RELATIONS ANNUAL MEETING (1) Audit Committee Member (2) Compensation Committee Member (3) Nominating & Corporate Governance Committee Member Michael F. Foust Chief Executive Officer A. William Stein Chief Financial Officer  and Chief Investment Officer Scott E. Peterson Chief Acquisitions Officer David J. Caron Senior Vice President, Portfolio Management James M. Smith Chief Technology Officer  Richard A. Magnuson  Chairman of the Board Kathleen Earley  (2) (3) Nominating & Corporate Governance  Committee Chairman Ruann F. Ernst  (1) (2) (3) Dennis E. Singleton  (1) (2) Compensation Committee Chairman Robert H. Zerbst  (2) (3) Michael F. Foust Chief Executive Officer 560 Mission Street Conference Center, 20th Floor San Francisco, CA 94105  The Company’s annual meeting will be held at 12:00PM Pacific time on Monday, April 25,  2011 at:  Investors seeking additional information about  Digital Realty Trust can visit the Company’s  website at www.digitalrealtytrust.com (click  on “Investors”) or contact us at: American Stock Transfer & Trust Company 59 Maiden Lane Plaza Level New York, NY 10038 Toll Free T. +1.800.937.5449 www.amstock.com NYSE: Common Stock: DLR 560 Mission Street, Suite 2900 San Francisco, CA 94105 T. +1.415.738.6500 F. +1.415.738.6501 www.digitalrealtytrust.com Laurence A. Chapman  (1) (3) Audit Committee Chairman Investor Relations 560 Mission Street, Suite 2900 San Francisco, CA 94105 T. +1.415.738.6500