SAN FRANCISCO, March 3, 2008 --  UnitedLayer, a North American Managed Infrastructure & Colocation services company, has continued its Bay Area expansion with a new lease of existing Turn-Key Datacenter (TM) space at the Digital Realty Trust (NYSE:DLR) facility located at 200 Paul Avenue.

UnitedLayer, adding to their growing list of strategically placed datacenters located throughout North America, is focused on solidifying their presence as an industry leader in providing scalable internet infrastructure solutions to businesses worldwide. This expansion in the 200 Paul Avenue Facility brings an additional 21,000 square feet of Turn-Key Datacenter (TM) space to UnitedLayer's portfolio.

“This is our second expansion announcement inside 200 Paul in less than 6 months.  There simply is too much demand for space at 200 Paul and we are conditioning it for retail as fast as we can.” said Arman Khalili, CEO of UnitedLayer.  “It just demonstrates, again, how easy it is to work with Digital Realty Trust and inside 200 Paul Ave specifically.”

“UnitedLayer is an exciting company to watch and has been very successful bringing new customers in to our first-class facility in San Francisco at 200 Paul Ave.,” commented Brent Behrman, Vice President of Sales for Digital Realty Trust.   “We look forward to supporting UnitedLayer’s continued success in the future.”

“With the astronomic rise in global demand for scalable, secure and reliable internet infrastructure services, we have seen tremendous growth this past year across all of our service offerings,” said Richard Donaldson, COO of UnitedLayer. “Through the acquisition of this space that had pre-existing customers and revenue, we can take our proven model of customer-centric services and ensure that these customers are happy and can expand as their business demands it.”

UnitedLayer, founded in 2001, is a North American internet enabler offering a suite of internet infrastructure solutions including managed bandwidth, colocation and infrastructure services.

About UnitedLayer, Inc.
UnitedLayer, Inc. is a North American internet infrastructure service and colocation company offering: IP transit, managed colocation and managed infrastructure services in multiple datacenters strategically located throughout North America. UnitedLayer's mission is to help educate and empower businesses of all sizes to make smarter decisions with the infrastructure needed to start, build, scale and optimize their online business presence. For additional information, please visit UnitedLayer’s website at http://www.unitedlayer.com.

About Digital Realty Trust, Inc.
Digital Realty Trust, Inc. owns, acquires, redevelops, develops and manages technology-related real estate. The Company is focused on providing Turn-Key Datacenter™ and Powered Base Building™ datacenter solutions for domestic and international tenants across a variety of industry verticals ranging from information technology and internet enterprises, to manufacturing and financial services. Digital Realty Trust's 71 properties, excluding one property held as an investment in an unconsolidated joint venture, contain applications and operations critical to the day-to-day operations of technology industry tenants and corporate enterprise datacentre tenants. Comprising approximately 12.6 million rentable square feet as of February 26, 2008, including 2.0 million square feet of space held for redevelopment, Digital Realty Trust's portfolio is located in 26 markets throughout North America and Europe. For additional information, please visit Digital Realty Trust's website at http://www.digitalrealtytrust.com.

Contacts:
UnitedLayer Inc.
Pete Sclafani, 888-853-7733 ext. 1045
Director of Marketing
pete@unitedlayer.com
www.unitedlayer.com