CyrusOne Inc. Announces Closing of Initial Public Offering

  CyrusOne Inc. Announces Closing of Initial Public Offering

Business Wire

DALLAS -- January 24, 2013

CyrusOne Inc. (NASDAQ:CONE) has closed its previously announced initial public
offering of its common stock. CyrusOne sold 18,975,000 shares of its common
stock in total in the offering, which included 2,475,000 shares of common
stock sold pursuant to the option granted to the underwriters by CyrusOne,
which was exercised in full prior to the closing. CyrusOne’s common stock
began trading on the NASDAQ Global Select Market on January 18, 2013 under the
symbol “CONE.”

Morgan Stanley, BofA Merrill Lynch, Deutsche Bank Securities and Barclays
acted as joint-bookrunners for the offering. Citigroup, KeyBanc Capital
Markets, RBS and UBS Investment Bank acted as co-managers.

A registration statement relating to the securities sold in the offering has
been declared effective by the SEC. The offering was made only by means of a
prospectus. A copy of the final prospectus relating to these securities has
been filed with the SEC and may be obtained by contacting Morgan Stanley & Co.
LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York,
New York 10014, by telephone at +1 (866) 718-1649 or by email at; BofA Merrill Lynch, Attention: Prospectus
Department, 222 Broadway, New York, New York 10038 or by email at; Deutsche Bank Securities Inc., Attention:
Prospectus Group, 60 Wall Street, New York, New York 10005-2836, by telephone
at +1 (800) 503-4611 or by email at; or Barclays, c/o
Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York
11717, by telephone at +1 (888) 603-5847 or by email at

This news release shall not constitute an offer to sell, or the solicitation
of an offer to buy, these securities, nor shall there be any sale of these
securities in any state or jurisdiction in which such offer, solicitation or
sale would be unlawful prior to registration or qualification under the
securities laws of any such state or jurisdiction.

About CyrusOne

CyrusOne Inc. (NASDAQ:CONE) specializes in highly reliable enterprise-class,
carrier-neutral data center properties. The company provides mission-critical
data center facilities that protect and ensure the continued operation of IT
infrastructure for approximately 500 customers, including more than nine of
the Fortune 20 and over 100 of the Fortune 1000 companies.

CyrusOne’s data center offerings provide the flexibility, reliability and
security that enterprise customers require and are delivered through a
tailored, customer service-focused platform designed to foster long-term
relationships. CyrusOne is committed to full transparency in communication,
management and service delivery throughout its 24 data centers worldwide.


CyrusOne Inc.
Mindy Miller, 513-346-5564
Idalia Rodriguez or Jamie Lillis, 972-350-0060
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