Cogent Communications Selects Digital Realty Trust Facility for New Point of Presence

SAN FRANCISCO, July 30 /PRNewswire-FirstCall/ -- Digital Realty Trust, Inc. , a leading owner and manager of corporate datacenters and Internet gateways, has completed a lease agreement with Cogent Communications Group to support a new point of presence for the Internet service provider. The Digital Realty Trust Turn-Key Datacenter(TM) facility, located in Charlotte, N.C., will house Cogent's equipment and provide other tenants located within the datacenter the opportunity to purchase bandwidth from Cogent. The space leased through this agreement will supply Cogent Communications with another point of presence where it can continue to add customers and bandwidth to its network, which is the largest capacity IP network in existence at 160 Gbps across the United States.

"Digital Realty Trust team has provided a tremendous amount of effort in making sure our presence met both our technical and business needs," said Dave Schaeffer, founder and CEO of Cogent Communications. "We look forward to providing the tenants at this location with the lowest pricing in the industry for bandwidth that is backed by one of the industry's leading Service Level agreements."

"Digital Realty Trust facilities offer advanced technical capabilities, redundancy features and physical security that are key requirements of companies like Cogent, which have very high standards for the facilities that house their datacenters. Cogent's selection of our facility underscores our ability to provide premier datacenter environments for the world's most respected companies," said Michael F. Foust, Chief Executive Officer of Digital Realty Trust.

Digital Realty Trust's Turn-Key Datacenters(TM) (http://www.digitalrealtytrust.com/turn_key.asp) are move-in ready, physically secure facilities with the power and cooling capabilities to support critical enterprise applications. Digital Realty Trust offers scalability from one hundred square feet to over one hundred thousand square feet in state-of-the-art facilities with true carrier and managed service provider neutrality and metered power. Its Critical Facilities Management(TM) services and team of technical engineers and datacenter operations experts support the 24/7 mission-critical applications of today's technology and corporate enterprise tenants.

About Digital Realty Trust, Inc.

Digital Realty Trust, Inc. owns, acquires, repositions and manages technology-related real estate. Digital Realty Trust's 62 properties, excluding one property held 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 11.4 million rentable square feet, including 1.7 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 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 domestic and international growth effectively; failure to obtain necessary outside financing; decreased rental rates or increased vacancy rates; difficulties in identifying properties to acquire and completing acquisitions at acceptable return levels; failure to successfully operate acquired properties and operations; failure of acquired properties to perform as expected; failure to successfully redevelop properties acquired for such purposes or unexpected costs related thereto; 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; risks of operating in foreign markets; 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 United States Securities and Exchange Commission, or SEC, including the Company's annual report on Form 10-K for the year ended December 31, 2006, as updated by subsequent reports on Form 10-Q and Form 8-K filed with the SEC. 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 Chris Crosby Chief Financial Officer Investor/Analyst Sales & and Chief Investment Officer Information Technical Operations Digital Realty Digital Realty Digital Realty Trust, Inc. Trust, Inc. Trust, Inc. [phone] [phone] [phone]