NTT Communications Expands Global IP Network Footprint with CoreSite across North America

  NTT Communications Expands Global IP Network Footprint with CoreSite across
  North America

   Customers will benefit from greater connectivity options in four markets

Business Wire

DENVER -- July 25, 2013

CoreSite Realty Corporation (NYSE: COR), a premier provider of network-dense,
cloud-enabled data center solutions and the CoreSite Mesh, today announced an
expanded relationship with NTT Communications Corporation. A wholly-owned
subsidiary of NTT (NYSE: NTT), the world’s largest provider of
telecommunications services according to the 2013 Fortune Global 500 List, NTT
Communications is entering CoreSite’s Silicon Valley and Northern Virginia
campuses, and growing its presence at CoreSite’s Chicago and Los Angeles (One
Wilshire) facilities.

Today’s expansion will enable NTT Communications to scale its offerings to
large content companies, internet service providers (ISPs) and enterprises and
increase its access to CoreSite’s growing community of customers. In turn,
CoreSite customers will benefit from a direct link to NTT Communications’
Global IP Network as well as more connectivity options across the CoreSite

“The facilities we choose to connect into directly impact the growth of our
customer base,” said Michael Wheeler, Executive Vice President, NTT America.
“NTT Communications has had a successful relationship with CoreSite in Los
Angeles and Chicago. We are excited to expand our presence in those locations,
and extend our footprint with CoreSite into Silicon Valley and Northern
Virginia in order to reach a broad community of internet-centric businesses.”

CoreSite’s data centers in Silicon Valley, Los Angeles, Chicago and Northern
Virginia will provide NTT Communications with access to the CoreSite Mesh,
including more than 750 national and international carriers, cloud computing
providers, networks, content and service providers, financial trading firms,
CDNs and systems integrators.

“NTT Communications operates one of the world’s largest Tier-1 global
networks,” said Jarrett Appleby, COO, CoreSite. “Today’s announcement brings
tremendous value to our ecosystem of customers. It delivers direct access to
NTT Communications’ network through four of our key data center campuses and
increases the global connectivity options available to customers across the
CoreSite Mesh.”

About NTT Communications

NTT Communications provides consultancy, architecture, security and cloud
services to optimize the information and communications technology (ICT)
environments of enterprises. These offerings are backed by the company’s
worldwide infrastructure, including leading global tier-1 IP network, Arcstar
Universal One™ VPN network reaching over 160 countries/regions, and over 140
secure data centers. NTT Communications’ solutions leverage the global
resources of NTT Group companies including Dimension Data, NTT DOCOMO and NTT

For U.S. product and service information, please visit

About CoreSite

CoreSite Realty Corporation (NYSE: COR) is the data center provider chosen by
more than 750 of the world's leading carriers and mobile operators, content
and cloud providers, media and entertainment companies, and global enterprises
to run their performance-sensitive applications and to connect and do
business. CoreSite propels customer growth and long-term competitive advantage
through the CoreSite Mesh by connecting the Internet, private networking,
mobility, and cloud communities within and across its 14 high-performance data
center campuses in eight markets in North America. With direct access to 275+
carriers and ISPs, over 180 leading cloud and IT service providers, intersite
connectivity, and the nation's first Open Cloud Exchange that provides access
to thousands of lit buildings and multiple key cloud on-ramps, CoreSite
provides easy, efficient and valuable gateways to global business
opportunities. For more information, visit

CoreSite Media Contact

Jeannie Zaemes | CoreSite Marketing Senior Director

+1 720.446.2006 | +1 866.777.CORE

Forward Looking Statements

This press release may contain forward-looking statements within the meaning
of the federal securities laws. Forward-looking statements relate to
expectations, beliefs, projections, future plans and strategies, anticipated
events or trends and similar expressions concerning matters that are not
historical facts. In some cases, you can identify forward-looking statements
by the use of forward-looking terminology such as “believes,” “expects,”
“may,” “will,” “should,” “seeks,” “approximately,” “intends,” “plans,” “pro
forma,” “estimates” or “anticipates” or the negative of these words and
phrases or similar words or phrases that are predictions of or indicate future
events or trends and that do not relate solely to historical matters.
Forward-looking statements involve known and unknown risks, uncertainties,
assumptions and contingencies, many of which are beyond CoreSite’s control,
that may cause actual results to differ significantly from those expressed in
any forward-looking statement. These risks include, without limitation: the
geographic concentration of CoreSite’s data centers in certain markets and any
adverse developments in local economic conditions or the demand for data
center space in these markets; fluctuations in interest rates and increased
operating costs; difficulties in identifying properties to acquire and
completing acquisitions; significant industry competition; CoreSite’s failure
to obtain necessary outside financing; CoreSite’s failure to qualify or
maintain its status as a REIT; financial market fluctuations; changes in real
estate and zoning laws and increases in real property tax rates; and other
factors affecting the real estate industry generally. All forward-looking
statements reflect CoreSite’s good faith beliefs, assumptions and
expectations, but they are not guarantees of future performance. Furthermore,
CoreSite disclaims any obligation to publicly update or revise any
forward-looking statement to reflect changes in underlying assumptions or
factors, of new information, data or methods, future events or other changes.
For a further discussion of these and other factors that could cause
CoreSite’s future results to differ materially from any forward-looking
statements, see the section entitled “Risk Factors” in CoreSite’s most recent
annual report on Form 10-K, and other risks described in documents
subsequently filed by CoreSite from time to time with the Securities and
Exchange Commission.


NTT Communications | NTT America
Fernando Costantino, 425-250-7051
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