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): March 2, 2022

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 No.)

2850 N. Harwood Street, Suite 2200

Dallas, TX 75201

(Address of principal executive offices, including 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 (see General Instruction A.2. below):

¨	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))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	CONE	The NASDAQ Global Select Market
1.450% Senior Notes due 2027	CONE27	The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

ITEM 1.01 — Entry into a Material Definitive Agreement.

On March 2, 2022, the Amended and Restated Agreement of Limited Partnership of CyrusOne LP (the “Partnership”), dated as of May 2, 2016, by and among CyrusOne GP, a Maryland statutory trust, CyrusOne Inc., a Maryland corporation, and any additional partner that is admitted from time to time to the Partnership, as amended by the First Amendment to the Amended and Restated Agreement of Limited Partnership of CyrusOne LP, dated as of February 18, 2019, and the Second Amendment to the Amended and Restated Agreement of Limited Partnership of CyrusOne LP, dated as of February 15, 2021, was amended (the “Third Amendment”) to reduce the period of time after which a redemption of partnership units would occur from ten business days after submission of a required notice to two calendar days after submission of a required notice, and to make certain related technical modifications to the definition of “Specified Redemption Date”.

The description of the change in the Third Amendment contained in this Current Report on Form 8-K is qualified in its entirety by reference to the full text of the Third Amendment, a copy of which is attached hereto as Exhibit 10.1 and incorporated herein by reference.

ITEM 9.01 — Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
10.1		Third Amendment to the Amended and Restated Agreement of Limited Partnership of CyrusOne LP.
104		Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document.

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.

Date: March 4, 2022	By:	/s/ Robert M. Jackson
		Robert M. Jackson
		Executive Vice President, General Counsel and Secretary

CyrusOne Inc. 8-K