UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549


FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of Earliest Event Reported): April 17, 2015


CYRUSONE INC.
(Exact Name of Registrant as Specified in its Charter)


Maryland
001‑35789
46-0691837
(State or Other Jurisdiction
of Incorporation)
(Commission
File Number)
(IRS Employer
Identification Number)

1649 West Frankford Road
Carrollton, TX 75007
(Address of Principal Executive Office) (Zip Code)



Registrant's Telephone Number, Including Area Code: (972) 350-0060



Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:
[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
 










Item 5.02(b)    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 17, 2015, Patricia M. McBratney notified CyrusOne Inc., a Maryland corporation (the "Company"), that, effective May 15, 2015, she will resign as the Company's Vice President, Controller and Chief Accounting Officer. Ms. McBratney will continue to serve in such capacity until such date, including for purposes of quarterly filings. The Company has initiated a search for a new Chief Accounting Officer.






SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
CYRUSONE INC.
    
By: /s/ Thomas W. Bosse                                    
Thomas W. Bosse
Vice President, General Counsel and Secretary

Date: April 23, 2015