Type	Name	Date
Underwriting agreement	UNDERWRITING AGREEMENT	09/16/2020
Indenture	Indenture, by and among CyrusOne LP and CyrusOne Finance Corp., as issuers, and Wells Fargo Bank, N.A., as trustee	12/05/2019
Indenture	First Supplemental Indenture, by and among CyrusOne LP and CyrusOne Finance Corp., as issuers, CyrusOne Inc., as guarantor and Wells Fargo Bank, N.A., as trustee, relating to the 2.900% Senior Notes due 2024	12/05/2019
Indenture	Second Supplemental Indenture, by and among CyrusOne LP and CyrusOne Finance Corp., as issuers, CyrusOne Inc., as guarantor and Wells Fargo Bank, N.A., as trustee, relating to the 3.450% Senior Notes due 2029	12/05/2019
Credit agreement	CREDIT AGREEMENT	04/04/2018
Indenture	Indenture, by and among CyrusOne LP and CyrusOne Finance Corp., as issuers, the guarantors party thereto and Wells Fargo Bank, N.A., as trustee, relating to the 5.000% Senior Notes due 2024	03/17/2017
Indenture	Indenture, by and among CyrusOne LP and CyrusOne Finance Corp., as issuers, the guarantors party thereto and Wells Fargo Bank, N.A., as trustee, relating to the 5.375% Senior Notes due 2027	03/17/2017
Credit agreement	Second Amended and Restated Credit Agreement, among CyrusOne LP, the lenders party thereto, KeyBank National Association, as agent for the lenders, JPMorgan Chase Bank, N.A., as syndication agent, and KeyBanc Capital Markets Inc., JPMorgan Chase Bank, N.A. and TD Securities (USA) LLC, as joint lead arrangers and joint bookrunners	11/23/2016
Credit agreement	First Amended and Restated Credit Agreement, among CyrusOne LP, the lenders party thereto, KeyBank National Association, as agent for the lenders, JPMorgan Chase Bank, N.A., as syndication agent, and KeyBanc Capital Markets Inc., J.P. Morgan Securities LLC, TD Securities (USA) LLC, Barclays Bank PLC and RBC Capital Markets, as joint lead arrangers and joint bookrunners	03/21/2016
Credit agreement	Credit Agreement, by and among CyrusOne LP, a Maryland limited partnership, the lenders party thereto and KeyBank National Association as administrative agent for the lenders	10/10/2014
Registration rights agreement	Registration Rights Agreement, by and among CyrusOne Inc., CyrusOne GP, CyrusOne LP and Data Center Investments Holdco LLC and Data Centers South Holdings LLC	01/25/2013