CoreSite Completes SSAE 16 Examination For All 14 Operational Data Centers

  CoreSite Completes SSAE 16 Examination For All 14 Operational Data Centers

Thorough external evaluation confirms operational excellence in security and
environmental controls provided to data center customers by CoreSite

PR Newswire

DENVER, Aug. 6, 2013

DENVER, Aug. 6, 2013 /PRNewswire/ -- CoreSite Realty Corporation (NYSE: COR),
a national provider of powerful, network-rich data centers, today announced
the company has completed Statement on Standards for Attestation Engagements
(SSAE) 16 Type 2 examinations covering all 14 operational data centers across
the United States. SSAE 16 provides CoreSite data center customers with
assurance of corporate controls, including security and environmental
compliance, and validation of CoreSite's commitment to the most stringent
standards of operational excellence. BrightLine, a licensed CPA firm,
conducted the CoreSite SSAE 16 examinations over the twelve-month period that
ended June 30, 2013. CoreSite is committed to performing the SSAE 16
examination in future years.

SSAE 16 is an attestation standard issued by the American Institute of
Certified Public Accountants (AICPA) that reports on CoreSite controls
supporting the services provided to customers. CoreSite management developed
internal control objectives to support first-class data center management
services that were used to complete the examination. Companies that are
compliance-sensitive and may require an SSAE 16 include publicly-traded
enterprises, financial firms, and healthcare organizations. The SSAE 16
examination report includes management's description of CoreSite's systems and
the suitability of the design and operating effectiveness of the controls.
Further, the report contains a written assertion from management regarding the
systems and a service auditor's opinion letter.

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

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.

SOURCE CoreSite Realty Corporation

Contact: Jeannie Zaemes | CoreSite Marketing Senior Director, +1 720.446.2006
| +1 866.777.CORE,