CyrusOne Inc. Declares First Quarter 2013 Dividend on Common Stock

DALLAS, March 20, 2013 (GLOBE NEWSWIRE) -- CyrusOne Inc. (Nasdaq:CONE), today announced that its Board of Directors has authorized a cash dividend of $0.16 per share on the company's common shares and common share equivalents for the first quarter of 2013. The dividend will be paid on April 15, 2013, to shareholders of record at the close of business on March 29, 2013.

About CyrusOne

CyrusOne (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 more than 500 customers, including nine of the Fortune 20 and more than 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.

CONTACT: Media
         Mindy Miller
         513-671-3811
         mindy.miller@gyro.com
         
         Investors
         Idalia Rodriguez or Jamie Lillis
         972-350-0060
         Investorrelations@cyrusone.com