CoreSite To Develop Expansive, High-Performance Data Center In Secaucus, New Jersey To Meet Growing Demand

 CoreSite To Develop Expansive, High-Performance Data Center In Secaucus, New
                        Jersey To Meet Growing Demand

New Data Center Campus, Powered by the CoreSite Mesh, Helps Network, Cloud,
and IT Service Providers Directly Connect with Enterprise and Financial
Services Customers

PR Newswire

DENVER and SECAUCUS, N.J., Jan. 18, 2013

DENVER and SECAUCUS, N.J., Jan. 18, 2013 /PRNewswire/ --CoreSite Realty
Corporation (NYSE: COR), a provider of powerful, network-dense data center
campuses and the CoreSite Mesh, which enables interconnected communities of
service providers and enterprises, today announced the purchase and planned
development of a new data center campus in Secaucus, New Jersey.

CoreSite is under contract to acquire a 280,000 square-foot building which
will be referred to as NY2, on 10 acres of land in Secaucus, New Jersey. At
full build-out, CoreSite expects NY2 will offer up to 18 critical megawatts of
capacity. In addition to NY2, the land site will support additional data
center development as market demand warrants.

CoreSite anticipates closing on the acquisition in early February, subject to
customary closing conditions, beginning construction to convert the existing
building to data center specifications in Q1, 2013, and delivering turn-key
capacity in Q4, 2013. CoreSite expects to invest $65.0 million to acquire the
facility, redevelop the powered shell, and complete the initial phase of
inventory consisting of 65,000 square feet. Further, CoreSite anticipates
continuing to invest in and scale the campus by constructing additional phases
to meet customer demand.

"CoreSite's entry into Secaucus is an important step in the execution of our
strategy to extend our U.S. platform supporting latency-sensitive customer
applications in network-dense, cloud-enabled data center campuses," said Tom
Ray, President and Chief Executive Officer, CoreSite. "Our New York campus is
designed to meet performance-sensitive customer requirements supported by our
location at the nexus of robust, protected, low-latency network rings serving
Manhattan as well as global cable routes to Chicago, Frankfurt, London, and
Brazil. Additionally, customers are able to connect directly to service nodes
for Amazon Web Services Direct Connect."

Pre-commitments from key CoreSite service partners and preliminary interest
shown by prospective customers in NY2 demonstrate the benefits CoreSite offers
with the optimal combination of cost-effective capacity and power, diverse
high-performance network connectivity, and interconnected communities. The
result for CoreSite customers is the ability to propel growth and gain
long-term competitive advantage. The availability of direct connections to
high speed networks in NY2 is particularly interesting to financial firms
looking to reduce latency and improve performance. Supporting this goal and
reflecting the strength of the NY2 location and CoreSite's North American
operating platform, three network service providers have pre-committed to
serve NY2, consisting of CoreSite partners Sidera Networks, Zayo, and Seaborn
Networks, each of which provides high-performance network support to the
financial services, cloud and network communities.

"The new CoreSite data center in New Jersey fits perfectly with Sidera's
growth strategy," said Clint Heiden, President, Sidera Networks. "This
expansion gives CoreSite customers immediate access to over 40 financial
exchanges and the Sidera Xtreme Ultra-Low Latency Network."

"We are pleased to bring Zayo's Bandwidth Infrastructure services, including
Dark Fiber, Wavelengths, Ethernet and IP services, into CoreSite's new NY2
facility," said Glenn Russo, EVP of Corporate Strategy and Development, Zayo.
"The Zayo and CoreSite relationship continues to expand connectivity for
current and future customers of both companies."

"NY2 is an integral part of Seaborn Networks' plan for CoreSite to serve as
turnkey backhaul provider for the U.S. landing of Seabras-1, our U.S.-Brazil
submarine cable with a planned Ready For Service (RFS)date of Q1, 2015," said
Larry Schwartz, CEO, Seaborn Networks. "This is the first step in CoreSite
providing a full mesh backhaul and point of presence network for Seabras-1's
U.S. landing."

CoreSite intends to ensure the availability of high-capacity and high-speed
lit services as well as a robust dark-fiber tether between NY2 and CoreSite's
NY1 location at 32 Avenue of the Americas in Manhattan, enabling CoreSite to
provide seamless interconnection across its New York campus. The seamless
connection between NY1 and NY2 will provide distributed direct-connect access
to the CoreSite Mesh, creating one of the most comprehensive cloud communities
in the greater New York area and immediately bringing together over 75 leading
network service providers as well as public, private, and hybrid cloud

Digital content providers will also benefit from CoreSite's reliable
infrastructure and scalable campus that can support continued growth in media
consumption. Furthermore, the network providers in the new NY2 location will
enable low latency connectivity within and among the fastest routes available
to the financial services community.

Following the launch of CoreSite's previously announced fifteenth data center,
located in Reston, Virginia, the new Secaucus data center will be the
sixteenth data center in CoreSite's national platform, which spans nine U.S.
markets and includes more than 275 carriers and service providers and more
than 15,000 interconnections.

About CoreSite
CoreSite Realty Corporation (NYSE: COR) is the data center service 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 Meshby connecting theInternet, private
networking, mobility, and cloud communities within and across its 14
high-performance data center campuses innine 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

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: delays
in construction; adverse developments in local economic conditions or the
demand for data center space in Secaucus, New Jersey; increased operating
costs; difficulties in completing the property acquisition; changes in real
estate and zoning laws and increases in real property tax rates; and other
factors affecting the datacenter 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.


Contact: Jeannie Zaemes, CoreSite Marketing Senior Director, +1-720-446-2006,
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