CoreSite Realty Corporation Updates Timing of First Quarter 2013 Earnings Release and Conference Call

  CoreSite Realty Corporation Updates Timing of First Quarter 2013 Earnings
  Release and Conference Call

Business Wire

DENVER -- April 15, 2013

CoreSite Realty Corporation (the “Company”) (NYSE: COR), a national provider
of powerful, network-rich data centers, today announced the Company has
rescheduled its first quarter 2013 conference call by one hour due to a
scheduling conflict. The Company’s quarterly conference call will be held at
1:00 p.m. Eastern time (11:00 a.m. Mountain time) on Wednesday, April 24,
2013. The Company will release its first quarter 2013 financial results prior
to market open on Wednesday, April 24, 2013.

The call will be accessible by dialing +1-877-407-3982 (domestic) or
+1-201-493-6780 (international). A replay will be available until May 1, 2013
and can be accessed shortly after the call by dialing +1-877-870-5176
(domestic) or +1-858-384-5517 (international). The passcode for the replay is

The quarterly conference call will also be offered as a simultaneous webcast,
accessible by visiting and clicking on the “Investors” tab.
An on-line replay will be available for a limited time immediately following
the call.

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 nine markets in North America. With direct access to 275+
carriers and ISPs, over 180 leading cloud and IT service providers, inter-site
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


Investor Relations:
+1 303-222-7276
Jeannie Zaemes, +1 720-446-2006 | +1 866-777-CORE
CoreSite Marketing Senior Director
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