CenturyLink Extends Services Into Five Additional CoreSite Data Centers

   CenturyLink Extends Services Into Five Additional CoreSite Data Centers

CenturyLink to Provide Services to All CoreSite Customers First Quarter 2013

PR Newswire

DENVER, Nov. 5, 2012

DENVER, Nov. 5, 2012 /PRNewswire/ --CoreSite Realty Corporation (NYSE: COR),
a national provider of powerful, network-rich data centers, today announced
that CenturyLink is extending its full suite of voice and IP services into
five additional CoreSite data centers, offering ubiquitous coverage in all 14
CoreSite data centers throughout North America. CenturyLink, the third largest
telecommunications company in the United States and a global leader in cloud
infrastructure and hosted IT solutions for enterprise customers, provides
broadband, entertainment, voice and managed services to consumers and
businesses across the country.

Currently, CenturyLink offers voice and IP services in multiple CoreSite
facilities in Chicago; Los Angeles; San Jose; Denver; Milpitas, CA; and New
York. As a result of the extended relationship, in December 2012, CenturyLink
will begin providing services in Reston, VA; Washington, DC; and Boston, as
well as additional service in Los Angeles. Beginning in January 2013,
CenturyLink will also expand services to new CoreSite facilities in the San
Francisco Bay area.

"This expanded relationship with CoreSite will help CenturyLink customers
utilizing these data centers meet their unique managed services requirements
by having access to our full suite of services including Internet and MPLS,
metro and long-haul private lines, 100 Mbps to 10 Gbps connections, burstable
or static bandwidth, and voice and IP services," said Blake Wetzel, Vice
President of Sales, CenturyLink Channel Alliance. "Additionally, CoreSite and
CenturyLink customers will benefit from a variety of long-term pricing options
and deployments, giving customers access to CoreSite's extensive mesh of
interconnection for the networking and cloud communities."

"Extending our relationship with CenturyLink brings our customers
best-in-class networking solutions," said Brian Warren, Vice President of
Product Management at CoreSite. "Providing our customers a choice of services
across markets from the top telecommunications extended carriers is an
important part of CoreSite's network-centric computing platform."

"We believe our partnership with CoreSite will help us further extend our
bandwidth and connect to new and existing customers, providing them with
immediate benefits from a recognized telecommunications leader," said Wetzel.

For further information on CoreSite, visit www.CoreSite.com or call

About CoreSite
CoreSite Realty Corporation (NYSE: COR) is a national provider of data center
products and interconnection services. More than 750 customers such as Global
1000 enterprises, communications providers, cloud and content companies,
financial firms, media and entertainment, healthcare, and government agencies
choose CoreSite for the confidence that comes with customer-focused data
center products, service and support systems, and scalability. CoreSite's
network centric computing platform is a business catalyst, featuring the Any2
Internet exchange and network ecosystems, which include access to 225+
carriers and service providers and a growing mesh of more than 15,000
interconnections. The company features a diverse colocation offering from
individual cabinets to custom cages and private suites, with 14 data center
locations in nine major U.S. markets. For more information, visit

About CenturyLink
CenturyLink is the third largest telecommunications company in the United
States and is recognized as a leader in the network services market by
technology industry analyst firms. The company is a global leader in cloud
infrastructure and hosted IT solutions for enterprise customers. CenturyLink
provides data, voice and managed services in local, national and select
international markets through its high-quality advanced fiber optic network
and multiple data centers for businesses and consumers. The company also
offers advanced entertainment services under the CenturyLink^TM Prism^TM TV
and DIRECTV brands. Headquartered in Monroe, La., CenturyLink is an S&P 500
company and is included among the Fortune 500 list of America's largest
corporations. For more information, visit www.centurylink.com. 

Forward Looking Statements

This earnings release and accompanying supplemental information 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 our 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.


Website: http://www.coresite.com
Contact: Jeannie Zaemes, CoreSite Marketing Senior Director, +1-720-446-2006,
+1-866-777-CORE, Jeannie.Zaemes@CoreSite.com
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