London Internet Exchange (LINX) Selects CoreSite Data Center for First North American Peering Exchange

 London Internet Exchange (LINX) Selects CoreSite Data Center for First North
                          American Peering Exchange

LINX's deployment in CoreSite's Northern Virginia data center campus supports
CoreSite's previously announced Open Internet Exchange Hub, aligned with
principles of Open IX and providing customers enhanced public connectivity

PR Newswire

PHOENIX, Oct. 7, 2013

PHOENIX, Oct. 7, 2013 /PRNewswire/ --CoreSite Realty Corporation (NYSE:COR),
a premier provider of network-dense, cloud-enabled data center solutions and
the CoreSite Mesh, today announced at NANOG59 that the London Internet
Exchange (LINX) has chosen CoreSite's Northern Virginia data center campus as
one of the locations for its first North American peering exchange, LINX NoVA.
This new deployment from one of the world's leading network and Internet
exchanges, will enhance CoreSite's existing carrier density and increase the
number of options for Internet peering and customer connectivity. The
cloud-enabled data center campus in Northern Virginia, which includes
facilities in Reston, VA, and Washington, DC, supports a robust community of
nearly 150 customers, including over 45 networks and ISPs.

LINX, one of the world's largest Internet exchanges, currently connects over
480 networks from nearly 60 countries, including more than 1,100 ports.
Internet exchanges such as LINX allow Internet Service Providers (ISPs) and
other organizations to directly connect to one another to exchange Internet
traffic. LINX's entrance into the North American market supports CoreSite's
Open Internet Exchange Hub, announced in 2012 and aligned with key stated
principles of the Open Internet Exchange (Open-IX), a member-governed
organization working to drive the expansion of business-neutral Internet
exchanges, reduce internet complexity and cost, and improve access to networks
within critical interconnection markets. 

"We are delighted to be expanding into North America," said John Souter, CEO
at LINX. "We believe that our deployment in CoreSite's Northern Virginia
campus will contribute to us being able to create a successful new exchange in
the US. To demonstrate our commitment to building a world leading Internet
Exchange in North America, we will be subsidizing it by providing free 10G
ports to any networks who join."

CoreSite's open peering exchange policy gives customers best-of-breed
connectivity options through public peering opportunities in addition to
CoreSite's robust network density and customer communities. Customers are able
to access the CoreSite marketplace where network, content, and cloud service
providers, along with a wide array of enterprises, interconnect and exchange
traffic and services in an efficient, cost-effective manner, ultimately
reducing latency and improving network diversity. In addition to being able to
peer in the Northern Virginia area at LINX NoVA, CoreSite's Open Internet
Exchange Hub currently provides direct connections to multiple exchanges
including remote access to peering in Europe at the London Internet Exchange
(LINX), Amsterdam Internet Exchange (AMS-IX), German Commercial Internet
Exchange (DE-CIX), and peering elsewhere in the US with New York International
Internet Exchange (NYIIX) and CoreSite's Any2 Internet Exchange.

"The addition of LINX NoVA to our group of peering partners will further
enhance the existing network density inherent in CoreSite's Northern Virginia
community and support the development of a more robust Internet peering
ecosystem in the important Northern Virginia market," said Brian Warren, VP
Product Management at CoreSite. "As reflected by the introduction of our Open
Internet Exchange Hub last year, we believe in the importance of neutral
Internet exchanges and our relationship with LINX NoVA in Virginia further
strengthens our platform's value in providing our customers additional
opportunities for both connectivity and community."

About LINX
The London Internet Exchange (LINX) is a mutually owned membership association
for operators of Internet Protocol networks. We provide a neutral
interconnection facility and peering platform, known as an Internet Exchange
Point (IXP), and represent the interests of our members on matters of public

Our members consist of access networks, ISPs such as BT and content providers
like Google, who exchange Internet traffic between each other over our secure
peering LANs. Through LINX they are able to reach 80% of the total global
Internet making it the single biggest connection point in the world.

About CoreSite
CoreSite Realty Corporation (NYSE: COR) propels customer growth and long-term
competitive advantage by connecting Internet, private networking, mobility,
and cloud communities within and across its fifteen high-performance data
center campuses and through the CoreSite Mesh. More than 750 of the world's
leading carriers and mobile operators, content and cloud providers, media and
entertainment companies, and global enterprises choose CoreSite to run their
performance-sensitive applications and to connect and do business with each
other. With direct access to more than 275 carriers and ISPs, North America
inter-site connectivity and the nation's first Open Cloud Exchange that
provides access to the "most lit" buildings and 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: 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.

SOURCE CoreSite Realty Corporation

Contact: Ben Hedges, LINX Head of Marketing and Business Development, +44 20
7645 3502, +44 7909 680002,, or Jeannie Zaemes, CoreSite
Marketing Senior Director, +1-720-446-2006, +1-866-777-CORE,
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