DIGITAL REALTY TRUST, INC. Underwriting AgreementDigital Realty Trust, Inc. • April 10th, 2007 • Real estate investment trusts • New York
Company FiledApril 10th, 2007 Industry JurisdictionDigital Realty Trust, Inc., a corporation organized under the laws of the State of Maryland (the “Company”), proposes to sell to the several underwriters named in Schedule I hereto (the “Underwriters”), for whom you (the “Representative”) are acting as representative, the number of shares of 4.375% Series C Cumulative Convertible Preferred Shares (Liquidation Preference $25.00 Per Share) (the “Convertible Preferred Stock”), of the Company set forth in Schedule II hereto (said shares to be issued and sold by the Company being hereinafter called the “Underwritten Securities”). The Company also proposes to grant to the Underwriters an option to purchase up to the number of additional shares of Convertible Preferred Stock set forth in Schedule II hereto to cover over-allotments (the “Option Securities”; the Option Securities, together with the Underwritten Securities, being hereinafter called the “Securities”). The Securities are described in the Prospectus which is referred to below. The