CoreSite Realty Corporation Schedules Third Quarter 2013 Earnings Release and Conference Call

  CoreSite Realty Corporation Schedules Third Quarter 2013 Earnings Release
  and Conference Call

Business Wire

DENVER -- October 1, 2013

CoreSite Realty Corporation (the “Company”) (NYSE: COR), a national provider
of powerful, network-rich data centers, today announced the Company will
release its third quarter 2013 financial results prior to market open on
Thursday, October 31, 2013, to be followed by its quarterly conference call at
12:00 p.m. (Eastern time).

The call will be accessible by dialing +1-877-407-3982 (domestic) or
+1-201-493-6780 (international). A replay will be available until November 7,
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
10000326.

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

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 fourteen 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 www.CoreSite.com.

Contact:

CoreSite Investor Relations:
Greer Aviv | CoreSite Investor Relations Director
+1 303.405.1012 | +1 303.222.7276
Greer.Aviv@CoreSite.com
or
CoreSite Media:
Jeannie Zaemes | CoreSite Marketing Senior Director
+1 720.446.2006 | +1 866.777.CORE
Jeannie.Zaemes@CoreSite.com