Document:

EX-4.1

 Exhibit 4.1 
 $525,000,000 
 CYRUSONE LP 

CYRUSONE FINANCE CORP. 

6.375% SENIOR NOTES DUE 2022 

REGISTRATION RIGHTS AGREEMENT 
 November 20, 2012 
 BARCLAYS CAPITAL INC.

 As Representative of the several 

  Initial Purchasers named in Schedule I attached hereto, 
 c/o Barclays Capital Inc. 
 745 Seventh Avenue 

New York, New York 10019 
 Ladies and Gentlemen:

 CyrusOne Inc., a Maryland corporation (“Holdings”), CyrusOne GP, a Maryland statutory trust (the
“General Partner”), which is a subsidiary of Holdings and the sole general partner of CyrusOne LP, a Maryland limited partnership and subsidiary of Holdings (the “Operating Partnership”) and CyrusOne
Finance Corp., a Maryland corporation (together with the Operating Partnership, the “Issuers”), are selling, upon the terms and conditions set forth in the Purchase Agreement (the “Purchase Agreement”)
dated as of November 6, 2012 by and among the Issuers, the Guarantors (as defined below) and the Initial Purchasers listed on Schedule I hereto (the “Initial Purchasers”), for whom you are acting as the representative
(the “Representative”), $525,000,000 in aggregate principal amount of the Issuers’ 6.375% Senior Notes due 2022 (the “Notes”). The Issuers’ obligations under the Notes, including the due and
punctual payment of interest on the Notes, will be irrevocably and unconditionally guaranteed on an unsecured and senior basis (the “Guarantees”) by Holdings, the General Partner and the other guarantors listed in Schedule II
hereto (together the “Guarantors”). As used herein, the term “Notes” shall include the Guarantees unless the context otherwise requires. As an inducement to the Initial Purchasers to enter into the Purchase
Agreement, the Issuers and the Guarantors agree with the Initial Purchasers, for the benefit of the Holders (as defined below) of the Notes (including, without limitation, the Initial Purchasers), as follows: 

 

	1.	Definitions 

Capitalized terms that are used herein without definition and are defined in the Purchase Agreement shall have the respective meanings
ascribed to them in the Purchase Agreement. As used in this Agreement, the following terms shall have the following meanings: 

Additional Guarantor: Any subsidiary of the Operating Partnership that executes a Guarantee of the Notes after the date of this
Agreement. 
 Additional Interest: See Section 4(a). 

Advice: See Section 5(s). 

 Agreement: This Registration Rights Agreement, dated as of the
Closing Date, between the Issuers, the Guarantors and the Representative. 
 Applicable Period: See
Section 2(e). 
 Business Day: A day that is not a Saturday, a Sunday or a day on which banking
institutions in the City of New York are authorized or required by law or executive order to be closed. 

Closing Date: November 20, 2012. 

Effectiveness Date: The 270th calendar day after the Closing Date. 

Effectiveness Period: See Section 3(a). 

Event Date: See Section 4(b). 

Exchange Act: The Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC promulgated
thereunder. 
 Exchange Notes: 6.375% Senior Notes due 2022 of the Issuers, identical in all material
respects to the Notes, including the Guarantees endorsed thereon, except that the Exchange Notes will not have legends restricting transfer. 
 Exchange Offer: See Section 2(a). 
 Exchange
Registration Statement: See Section 2(a). 
 FINRA: Financial Industry Regulatory Authority.

 Guarantors: See the introductory paragraph to this Agreement. 

Holder: Any beneficial holder of Notes. 

Holdings: See the introductory paragraph to this Agreement. 

Indemnified Party: See Section 7(c). 

Indemnifying Party: See Section 7(c). 

Indenture: The Indenture, dated as of the Closing Date, among the Issuers, the Guarantors and Wells Fargo Bank,
N.A., as trustee, pursuant to which the Notes are being issued, as amended or supplemented from time to time in accordance with the terms hereof. 
 Initial Purchasers: See the introductory paragraph to this Agreement. 
 Initial Shelf Registration: See Section 3(a). 

Inspectors: See Section 5(n). 

Issuers: See the introductory paragraph to this Agreement. 

Losses: See Section 7(a). 

  
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 Managing Underwriters: The investment banker(s) and managing underwriter(s) that will
administer any Underwritten Registration or Underwritten Offering, as the case may be, who shall be selected by the Holders of a majority in aggregate principal amount of the Registrable Notes included in such registration or offering;
provided, however, that such Managing Underwriters are reasonably satisfactory to the Operating Partnership. 

Notes: See the introductory paragraph to this Agreement. 
 Operating Partnership: See the introductory paragraph to this Agreement. 

Participating Broker-Dealer: See Section 2(e). 
 Person: An individual, trustee, corporation, partnership, limited liability company, joint stock company, trust, unincorporated association, union, business association, firm, government or agency
or political subdivision thereof, or other legal entity. 
 Prospectus: The prospectus included in any Registration
Statement (including, without limitation, a prospectus that discloses information previously omitted from a prospectus filed as part of an effective registration statement in reliance upon Rule 430A promulgated under the Securities Act), as amended
or supplemented by any prospectus supplement, with respect to the terms of the offering of any portion of the Notes covered by such Registration Statement, and all other amendments and supplements to the Prospectus, including post-effective
amendments, and all material incorporated by reference or deemed to be incorporated by reference in such Prospectus. 

Purchase Agreement: See the introductory paragraph to this Agreement. 

Records: See Section 5(n). 
 Registrable Notes: Notes that are not freely tradeable, without restriction, under federal or state securities laws. 
 Registration Default: See Section 4(a). 
 Registration
Statement: Any registration statement of the Issuers and the Guarantors filed with the SEC under the Securities Act (including, but not limited to, the Exchange Registration Statement, the Shelf Registration and any subsequent Shelf
Registration) that covers any of the Notes pursuant to the provisions of this Agreement, including the Prospectus, amendments and supplements to such registration statement, including post-effective amendments, all exhibits and all material
incorporated by reference or deemed to be incorporated by reference in such registration statement. 
 Representative:
See the introductory paragraph to this Agreement. 
 Rule 144: Rule 144 promulgated under the Securities Act, as such
Rule may be amended from time to time, or any similar rule (other than Rule 144A) or regulation hereafter adopted by the SEC providing for offers and sales of securities made in compliance therewith resulting in offers and sales by subsequent
holders that are not affiliates of an issuer or such securities being free of the registration and prospectus delivery requirements of the Securities Act. 

  
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 Rule 144A: Rule 144A promulgated under the Securities Act, as such Rule may be
amended from time to time, or any similar rule (other than Rule 144) or regulation hereafter adopted by the SEC. 
 Rule
415: Rule 415 promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule or regulation hereafter adopted by the SEC. 
 Rule 430A: Rule 430A promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule or regulation hereafter adopted by the SEC. 

SEC: The Securities and Exchange Commission. 
 Securities Act: The Securities Act of 1933, as amended, and the rules and regulations of the SEC promulgated thereunder. 
 Shelf Notice: See Section 2(j). 
 Shelf Registration: See
Section 3(a). 
 Subsequent Shelf Registration: See Section 3(b). 

TIA: The Trust Indenture Act of 1939, as amended. 
 Trustee: The trustee under the Indenture and, if existent, the trustee under any indenture governing the Exchange Notes. 
 Underwritten Registration or Underwritten Offering: A registration in which securities of the Issuers are sold to an underwriter for reoffering to the public. 

 

	2.	Exchange Offer 

  

	 	(a)	Unless the Exchange Offer would not be permitted by applicable laws or applicable interpretations of the staff of the SEC, the Issuers and the Guarantors shall use
their commercially reasonable efforts to (i) prepare and file with the SEC a registration statement (the “Exchange Registration Statement”) on an appropriate form under the Securities Act with respect to an offer (the
“Exchange Offer”) to the Holders of Notes to issue and deliver to such Holders, in exchange for the Notes, a like principal amount of Exchange Notes, (ii) cause the Exchange Registration Statement to become effective on or
before the Effectiveness Date, (iii) keep the Exchange Registration Statement effective until the consummation of the Exchange Offer in accordance with its terms, and (iv) commence the Exchange Offer and issue on or before the 30th
Business Day after the date on which the Exchange Registration Statement is declared effective, Exchange Notes in exchange for all Notes validly tendered prior thereto in the Exchange Offer. Other than as set forth in this Agreement, including in
Section 2(d) hereto, the Exchange Offer shall not be subject to any conditions. 

  

	 	(b)	The Exchange Notes shall be issued under, and entitled to the benefits of the Indenture or a trust indenture that is identical to the Indenture.

  

	 	(c)	 Interest on the Exchange Notes will accrue from the last interest payment due date on which interest was paid on the Notes surrendered in exchange
therefor or, if no interest 

  
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has been paid on the Notes, from the date of original issue of the Notes. 

  

	 	(d)	The Issuers may require each Holder as a condition to participation in the Exchange Offer to represent (i) that any Exchange Notes received by it will be acquired
in the ordinary course of its business, (ii) that at the time of the commencement and consummation of the Exchange Offer such Holder has no arrangement or understanding with any Person to participate in the distribution (within the meaning of
the Securities Act) of the Exchange Notes in violation of the provisions of the Securities Act, (iii) that it is not an “affiliate” of the Issuers (within the meaning of Rule 405 of the Securities Act, (iv) if such Holder is not
a broker-dealer, that it is not engaged in, and does not intend to engage in, the distribution of the Notes and (v) if such Holder is a Participating Broker-Dealer, that it will deliver a Prospectus in connection with any resale of the Exchange
Notes. 

  

	 	(e)	The Issuers and the Guarantors shall include within the Prospectus contained in the Exchange Registration Statement a section entitled “Plan of Distribution”
reasonably acceptable to the Initial Purchasers which shall contain a summary statement of the positions taken or policies made by the staff of the SEC with respect to the potential “underwriter” status of any broker-dealer that is the
beneficial owner (as defined in Rule 13d-3 under the Exchange Act) of Exchange Notes received by such broker-dealer in the Exchange Offer for its own account in exchange for Notes that were acquired by it as a result of market-making or other
trading activity (a “Participating Broker-Dealer”). Such “Plan of Distribution” section shall also allow, to the extent permitted by applicable policies and regulations of the SEC, the use of the Prospectus by all Persons
subject to the prospectus delivery requirements of the Securities Act, including, to the extent so permitted, all Participating Broker-Dealers, and include a statement describing the manner in which Participating Broker-Dealers may resell the
Exchange Notes. The Issuers and the Guarantors shall use their commercially reasonable efforts to keep the Exchange Registration Statement effective and to amend and supplement the Prospectus contained therein, in order to keep such Prospectus
current during the period described in Section 4(a)(3) of the Securities Act and Rule 174 thereunder that is applicable to transactions by brokers or dealers with respect to Notes or Exchange Notes (the “Applicable Period”).

  

	 	(f)	In connection with the Exchange Offer, the Issuers and the Guarantors shall: 

 

	 	(i)	mail to each Holder a copy of the Prospectus forming part of the Exchange Registration Statement, together with an appropriate letter of transmittal that is an exhibit
to the Exchange Registration Statement, and any related documents; 

  

	 	(ii)	keep the Exchange Offer open for not less than 20 Business Days after the date notice thereof is mailed to the Holders (or longer if required by applicable law) and
until the Issuers have accepted all Notes validly tendered in accordance with the terms of the Exchange Offer; 

  

	 	(iii)	utilize the services of a depository for the Exchange Offer with an address in the Borough of Manhattan, the City of New York, which may be the Trustee or an affiliate
thereof; 

  

	 	(iv)	 permit Holders to withdraw tendered Notes at any time prior to the close of 

  
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business, New York time, on the last Business Day on which the Exchange Offer shall remain open; and 

  

	 	(v)	otherwise comply in all material respects with all applicable laws. 

  

	 	(g)	As soon as practicable after the close of the Exchange Offer, the Issuers and the Guarantors shall: 

 

	 	(i)	accept for exchange all Notes validly tendered pursuant to the Exchange Offer and not validly withdrawn; 

 

	 	(ii)	deliver to the Trustee for cancellation all Notes so accepted for exchange; and 

 

	 	(iii)	cause the Trustee to authenticate and deliver promptly to each Holder tendering such Notes or Exchange Notes, as the case may be, equal in principal amount to the Notes
of such Holder so accepted for exchange. 

  

	 	(h)	The Exchange Notes shall be issued under the Indenture, which will provide that the Exchange Notes will not be subject to the transfer restrictions set forth in the
Indenture and that the Exchange Notes and the Notes, if any, will be deemed one class of security (subject to the provisions of the Indenture) and entitled to participate in any Note Guarantee (as such term is defined in the Indenture) on an equal
and ratable basis. 

  

	 	(i)	If: 

  

	 	(1)	the Issuers and the Guarantors determine that applicable laws or applicable interpretations of the staff of the SEC would not permit the consummation of the Exchange
Offer on or prior to the 30th Business Day following the Effectiveness Date; 

  

	 	(2)	the Exchange Offer is not consummated on or prior to the 90th Business Day following the Effectiveness Date (provided that this shall not affect the obligations of the
Issuers to pay Additional Interest after the 30th such Business Day pursuant to Section 4(a)); or 

  

	 	(3)	in the case of any Initial Purchaser representing that, on advice of counsel, it holds Registrable Notes that are or were ineligible to be exchanged in the Exchange
Offer and such Initial Purchaser notifies the Issuers within six months of consummation of the Exchange Offer, 

then, the Issuers and the Guarantors shall use their commercially reasonable efforts to promptly deliver to the Holders (in the case of
clauses (1) and (2) above), the applicable Initial Purchaser (in the case of clause (3) above) and the Trustee notice thereof (the “Shelf Notice”) and shall within 90 days of receipt of a written request from any such
Holder or Initial Purchaser, use their commercially reasonable efforts to cause the Initial Shelf Registration described in Section 3 to be declared effective by the SEC. 

 

	3.	Shelf Registration 

  
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 If a Shelf Notice is delivered pursuant to Section 2(i) (1) or (2), then this
Section 3 shall apply to all Registrable Notes. Otherwise, upon consummation of the Exchange Offer in accordance with Section 2, the provisions of Section 3 shall apply solely with respect to Notes held by an Initial Purchaser as
contemplated by Section 2(i)(3) hereof, provided, in each case, that the relevant Initial Purchaser has duly notified the Issuers within six months of the Exchange Offer as required by Section 2(i)(3) above. 

 

	 	(a)	 Initial Shelf Registration. The Issuers and the Guarantors shall use their commercially reasonable efforts to file with the SEC a Registration
Statement for an offering to be made on a continuous basis pursuant to Rule 415 covering all of the Registrable Notes (the “Initial Shelf Registration”). If the Issuers and the Guarantors have not yet filed an Exchange Registration
Statement, upon receipt of a written notice described in Section 2(i), the Issuers and the Guarantors shall file with the SEC the Initial Shelf Registration and shall use their commercially reasonable efforts to cause such Initial Shelf
Registration to be declared effective under the Securities Act on or prior to the Effectiveness Date. Otherwise, the Issuers and the Guarantors shall use their commercially reasonable efforts to file with the SEC the Initial Shelf Registration and
to cause such Initial Shelf Registration to be declared effective by the SEC on or prior to the 90th day following the written request described in Section 2(i) above; provided that in no event shall the Issuers be required to cause such
Shelf Registration Statement to be declared effective before the earliest of (i) the 270th day following the Closing Date and (ii) the 45th day following the consummation of the Exchange Offer. The Initial Shelf Registration shall be on the appropriate form permitting registration of such Registrable Notes for resale by Holders in the manner
or manners reasonably designated by them (including, without limitation, one or more underwritten offerings). The Issuers and the Guarantors shall use their commercially reasonable efforts to keep the Initial Shelf Registration effective under the
Securities Act until the date which is the earliest of (i) the one year anniversary of the Closing Date, (ii) the date when all of the Notes have been sold under the Shelf Registration Statement and (iii) the date when Holders, other
than Holders that are “affiliates” (as defined in Rule 144) of the Issuers, are able to sell such Notes without restriction, and without reliance as to the availability of current public information, pursuant to Rule 144 (the
“Effectiveness Period”). 

  

	 	(b)	 Subsequent Shelf Registrations. If the Initial Shelf Registration or any Subsequent Shelf Registration (as defined below) ceases to be effective
for any reason at any time during the Effectiveness Period, the Issuers and the Guarantors shall use their commercially reasonable efforts to obtain the prompt withdrawal of any order suspending the effectiveness thereof, and in any event shall
within 60 days of such cessation of effectiveness amend such Shelf Registration in a manner to obtain the withdrawal of the order suspending the effectiveness thereof, or file an additional “shelf” Registration Statement pursuant to Rule
415 covering all of the Registrable Notes (a “Subsequent Shelf Registration”). If a Subsequent Shelf Registration is filed, the Issuers and the Guarantors shall use their commercially reasonable to cause the Subsequent Shelf
Registration to be declared effective as soon as practicable after such filing and to keep such Subsequent Shelf Registration continuously effective for the remainder of the Effectiveness Period (except that clause (ii) of the definition of
Effectiveness Period for such purposes shall mean the date when all of the Notes have been sold under a Shelf Registration Statement). As used herein the term “Shelf Registration” means the Initial Shelf Registration and any Subsequent
Shelf 

  
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Registrations. 

  

	 	(c)	Supplements and Amendments. The Issuers and the Guarantors shall promptly supplement and amend any Shelf Registration if required by the rules, regulations or
instructions applicable to the registration form used for such Shelf Registration, if required by the Securities Act, or if reasonably requested in writing by the Holders of a majority in aggregate principal amount of the Registrable Notes covered
by such Shelf Registration or by the Managing Underwriters of such Registrable Notes. 

  

	 	(d)	Provision of Information. No Holder of Registrable Notes shall be entitled to include any of its Registrable Notes in any Shelf Registration pursuant to this
Agreement unless such Holder furnishes to the Issuers, the Guarantors and the Trustee in writing, within 20 days after receipt of a written request therefor, such information as the Issuers, the Guarantors and the Trustee (after conferring with
counsel with regard to information relating to Holders that would be required by the SEC to be included in such Shelf Registration or Prospectus included therein) may reasonably request for inclusion in any Shelf Registration or Prospectus included
therein, and no such Holder shall be entitled to Additional Interest pursuant to Section 4 hereof unless and until such Holder shall have provided such information. 

 

	4.	Additional Interest 

  

	 	(a)	The Issuers and the Guarantors acknowledge and agree that the Holders will suffer damages if the Issuers or the Guarantors fail to fulfill their material obligations
under Section 2 or Section 3 hereof and that it would not be feasible to ascertain the extent of such damages with precision. Accordingly, if: 

  

	 	(i)	(A) neither the Exchange Registration Statement nor a Shelf Registration is declared effective by the SEC on or prior to the Effectiveness Date or
(B) notwithstanding that the Issuers have consummated or will consummate an Exchange Offer, the Issuers and the Guarantors are required to file a Shelf Registration and such Shelf Registration is not declared effective by the SEC on or prior to
the 90th day following the date such Shelf Registration was filed; or 

  

	 	(ii)	(A) the Issuers have not exchanged all Notes validly tendered in accordance with the terms of the Exchange Offer for Exchange Notes on or prior to the 30th Business Day
after the date on which the Exchange Registration Statement was declared effective or (B) if applicable, the Shelf Registration has been declared effective and such Shelf Registration ceases to be effective at any time prior to the
Effectiveness Period; provided that the Issuers and the Guarantors will be permitted to suspend the use of the prospectus that is part of the Shelf Registration if their management determines to do so for valid business reasons, including
circumstances relating to pending corporate developments and similar events or filings with the SEC, for a period not to exceed 45 days in any three-month period and not to exceed an aggregate of 90 days in any twelve-month period and without
specifying the nature of the event giving rise to a suspension in any notice of suspension provided to the Holders (each a “Registration Default,”), 

  
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 then additional interest (“Additional Interest”) shall accrue on the
principal amount of the Notes at a rate of 0.25% per annum for the first 90 days commencing on the day following the Registration Default, and increasing to 1.00% thereafter, to but excluding the day on which the Registration Default has been
cured. Additional Interest will be paid semi-annually in arrears with the interest payment due on the first interest payment date following the date on which such Additional Interest begins to accrue; provided, however, that
(a) the Additional Interest on the Notes may not accrue under more than one of the foregoing clauses (i) and (ii) at any one time and in no event will Additional Interest accrue after the Effectiveness Period, (b) if a Holder is
not able to or does not provide the representations and information required in connection with a Shelf Registration in a timely manner and is therefore not named as a selling security holder in a Shelf Registration, the Holder will not be entitled
to receive any Additional Interest with respect to its Notes; and (c) the Issuers and the Guarantors will have no other liabilities with respect to any Registration Default. 

 

	 	(b)	The Issuers shall notify the Trustee within 5 Business Days after each and every date on which an event occurs in respect of which Additional Interest is required to be
paid (an “Event Date”). Any amounts of Additional Interest due pursuant to clause (a)(i) or (a)(ii) of this Section 4 will be payable in cash, on the dates and in the manner provided in the Indenture and whether or not any cash
interest would then be payable on such date, commencing with the first such semi-annual date occurring after any such Additional Interest commences to accrue. 

 

	5.	Registration Procedures 

 In connection with the filing of any Registration Statement pursuant to Sections 2 or 3 hereof, the Issuers and the Guarantors shall effect such registrations to permit the sale of such securities covered
thereby in accordance with the intended method or methods of disposition thereof, and pursuant thereto and in connection with any Registration Statement filed by the Issuers and the Guarantors hereunder, the Issuers and the Guarantors shall:

  

	 	(a)	Prepare and file with the SEC, the Exchange Registration Statement or if the Exchange Registration Statement is not filed because of the circumstances contemplated by
Section 2(j), a Shelf Registration as prescribed by Section 3, and shall use their commercially reasonable efforts to cause such Registration Statement to become effective, as the case may be, and remain effective as provided herein. The
Issuers and the Guarantors shall not file any such Registration Statement or Prospectus or any amendments or supplements thereto in respect of which the Holders must provide information for the inclusion therein (i) without the Holders being
afforded a reasonable opportunity to review such documentation with respect to such Holders’ information or (ii) if a Holder, the Managing Underwriters, if any, or any of their respective counsel shall reasonably object in writing on a
timely basis to the information with respect to such Holders. An aforementioned party shall be deemed to have reasonably objected to such filing if such Registration Statement, amendment, Prospectus or supplement, as applicable, as proposed to be
filed, contains an untrue statement of a material fact or omits to state any material fact necessary to make the statements therein not misleading or fails to comply with the applicable requirements of the Securities Act in each case with respect to
the information concerning such Holders. 

  

	 	(b)	 Cause the Indenture to be qualified under the TIA not later than the effective date of the

  
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first Registration Statement; and in connection therewith, to effect such changes to such Indenture as may be required for such Indenture to be so qualified in accordance with the terms of the
TIA; and execute, and use their commercially reasonable efforts to cause the Trustee to execute, all documents as may be required to effect such changes, and all other forms and documents required to be filed with the SEC to enable such Indenture to
be so qualified in a timely manner. 

  

	 	(c)	Prepare and file with the SEC such pre-effective amendments and post-effective amendments to each Shelf Registration or Exchange Registration Statement, as the case may
be, as may be necessary to keep such Registration Statement continuously effective for the Effectiveness Period or the Applicable Period, as the case may be; cause the related Prospectus to be supplemented by any Prospectus supplement required by
applicable law, and as so supplemented to be filed pursuant to Rule 424 (or any similar provisions then in force) promulgated under the Securities Act; and comply with the provisions of the Securities Act and the Exchange Act applicable to them with
respect to the disposition of all securities covered by such Registration Statement as so amended or in such Prospectus as so supplemented and with respect to the subsequent resale of any securities being sold by a Participating Broker-Dealer
covered by any such Prospectus. 

  

	 	(d)	During the Effectiveness Period or the Applicable Period, as the case may be, furnish to such selling Holders and Participating Broker-Dealers who so request in writing
(i) upon the Issuers’ receipt, a copy of the order of the SEC declaring such Registration Statement and any post-effective amendment thereto effective, (ii) such reasonable number of copies of such Registration Statement and of each
amendment and supplement thereto (in each case including any documents incorporated therein by reference and all exhibits, other than any such documents and exhibits that are otherwise publicly available), (iii) such reasonable number of copies
of the Prospectus included in such Registration Statement (including each preliminary Prospectus) and each amendment and supplement thereto, and such reasonable number of copies of the final Prospectus as filed by the Issuers and the Guarantors
pursuant to Rule 424(b) under the Securities Act, in conformity with the requirements of the Securities Act and each amendment and supplement thereto, and (iv) such other documents (including any amendments required to be filed pursuant to
clause (c) of this Section), as any such Person may reasonably request in writing. The Issuers and the Guarantors hereby consent to the use of the Prospectus by each of the selling Holders of Registrable Notes or each such Participating
Broker-Dealer, as the case may be, and the underwriters or agents, if any, and dealers, if any, in connection with the offering and sale of the Registrable Notes covered by, or the sale by Participating Broker-Dealers of the Exchange Notes pursuant
to, such Prospectus and any amendment or supplement thereto. 

  

	 	(e)	 During the Effectiveness Period or the Applicable Period, as the case may be, if (1) a Shelf Registration is filed pursuant to Section 3, or
(2) a Participating Broker-Dealer notifies the Operating Partnership that a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating
Broker-Dealer who seeks to sell Exchange Notes, the Issuers shall notify in writing the selling Holders of Registrable Notes, or each such Participating Broker-Dealer, as the case may be, the Managing Underwriters, if any,

  
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and each of their respective counsel promptly (i) when a Prospectus or any Prospectus supplement or post-effective amendment has been filed, and, with respect to a Registration Statement or
any post-effective amendment, when the same has become effective (including in such notice a written statement that any Holder may, upon request, obtain, without charge, one conformed copy of such Registration Statement or post-effective amendment
including financial statements and schedules, documents incorporated or deemed to be incorporated by reference and exhibits), (ii) of the issuance by the SEC of any stop order suspending the effectiveness of a Registration Statement or of any
order preventing or suspending the use of any Prospectus or the initiation of any proceedings for that purpose, (iii) if at any time when a Prospectus is required by the Securities Act to be delivered in connection with sales of the Registrable
Notes or the Exchange Notes the representations and warranties of the Issuers and the Guarantors contained in any agreement (including any underwriting agreement) contemplated by Section 6(m) hereof cease to be true and correct in all material
respects (provided that if such representations and warranties are otherwise qualified by materiality, in any respect), (iv) of the receipt by the Issuers and the Guarantors of any notification with respect to the suspension of the
qualification or exemption from qualification of a Registration Statement or any of the Registrable Notes or the Exchange Notes to be sold by any Participating Broker-Dealer for offer or sale in any jurisdiction, or the initiation or threatening of
any proceeding for such purpose, (v) of the happening of any event, the existence of any condition or any information becoming known that makes any statement made in such Registration Statement or related Prospectus or any document incorporated
or deemed to be incorporated therein by reference untrue in any material respect or that requires the making of any changes in, or amendments or supplements to, such Registration Statement, Prospectus or documents so that, in the case of the
Registration Statement and the Prospectus, it will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under
which they were made, not misleading, (vi) of any reasonable determination by the Issuers or the Guarantors that a post-effective amendment to a Registration Statement would be appropriate, (vii) of any request by the SEC for amendments to
the Registration Statement or supplements to the Prospectus or for additional information relating thereto, and (viii) when management of Holdings or the Operating Partnership shall have determined in good faith that under circumstances
relating to pending corporate developments and similar events or filing with the SEC, that the Issuers and the Guarantors have valid business reasons to suspend the use of the Prospectus that is part of a Shelf Registration.

  

	 	(f)	During the Effectiveness Period or the Applicable Period, as the case may be, use their commercially reasonable efforts to prevent the issuance of any order suspending
the effectiveness of a Registration Statement or of any order preventing or suspending the use of a Prospectus or suspending the qualification (or exemption from qualification) of any of the Registrable Notes or the Exchange Notes to be sold by any
Participating Broker-Dealer, for sale in any jurisdiction, and, if any such order is issued, to use their commercially reasonable efforts to obtain the withdrawal of any such order at the earliest practicable date. 

 

	 	(g)	 During the Effectiveness Period or the Applicable Period, as the case may be, if (A) a Shelf Registration is filed pursuant to Section 3,
(B) a Participating Broker-Dealer 

  
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notifies the Operating Partnership that a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the Securities Act by any
Participating Broker-Dealer who seeks to sell Exchange Notes or (C) reasonably requested in writing by the Managing Underwriters, if any, or the Holders of a majority in aggregate principal amount of the Registrable Notes being sold in
connection with an underwritten offering, (i) promptly incorporate in a Prospectus supplement or post-effective amendment such information or revisions to information therein relating to such underwriters or selling Holders as the Managing
Underwriters, if any, or such Holders or any of their respective counsel reasonably request in writing to be included or made therein and (ii) make all required filings of such Prospectus supplement or such post-effective amendment as soon as
practicable after the Issuers have received notification of the matters to be incorporated in such Prospectus supplements or post-effective amendment. 

  

	 	(h)	Prior to any public offering of Registrable Notes, any delivery of a Prospectus contained in the Exchange Registration Statement by any Participating Broker-Dealer who
seeks to sell Exchange Notes during the Applicable Period or where Exchange Notes held by Participating Broker-Dealers or Registrable Notes are offered other than through an underwritten offering, use their commercially reasonable efforts to
register or qualify, and to cooperate with the selling Holders of Registrable Notes or each such Participating Broker-Dealer, as the case may be, the Managing Underwriters, if any, and their respective counsel in connection with the registration or
qualification (or exemption from such registration or qualification) of such Registrable Notes or Exchange Notes, as the case may be, for offer and sale under the securities or Blue Sky laws of such jurisdictions within the United States as any
selling Holder, Participating Broker-Dealer or any Managing Underwriter, if any, reasonably request in writing; provided that neither the Issuers nor any Guarantor shall be required to (A) qualify generally to do business in any
jurisdiction where it is not then so qualified, (B) take any action that would subject it to general service of process in any such jurisdiction where it is not then so subject or (C) subject itself to taxation in any such jurisdiction
where it is not then so subject. 

  

	 	(i)	During the Effectiveness Period or the Applicable Period, as the case may be, if (A) a Shelf Registration is filed pursuant to Section 3 or (B) a
Participating Broker-Dealer notifies the Operating Partnership that a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is requested to be delivered under the Securities Act by any Participating
Broker-Dealer who seeks to sell Exchange Notes, cooperate with the selling Holders of Registrable Notes and the Managing Underwriter, if any, to facilitate the timely preparation and delivery of certificates representing Registrable Notes or
Exchange Notes to be sold, which certificates shall not bear any restrictive legends and shall be in a form eligible for deposit with The Depository Trust Company, and enable such Registrable Notes or Exchange Notes to be in such denominations as
provided under the Indenture and registered in such names as the Managing Underwriter, if any, or Holders may reasonably request. 

  

	 	(j)	 Use their commercially reasonable efforts to cause the Registrable Notes or Exchange Notes covered by any Registration Statement to be registered with
or approved by such governmental agencies or authorities as may be necessary to enable the seller or sellers thereof or the underwriter, if any, to consummate the disposition of such Registrable

  
 12 

	 	
Notes or the Exchange Notes, as the case may be, except as may be required solely as a consequence of the nature of such selling Holder’s business, in which case the Issuers and the
Guarantors shall cooperate in all reasonable respects with the filing of such Registration Statement and the granting of such approvals; provided that neither the Issuers nor any Guarantor shall be required to (A) qualify generally to do
business in any jurisdiction where it is not then so qualified, (B) take any action that would subject it to general service of process in any jurisdiction where it is not then so subject or (C) subject itself to taxation in any such
jurisdiction where it is not then so subject. 

  

	 	(k)	During the Effectiveness Period or the Applicable Period, as the case may be, if (1) a Shelf Registration is filed pursuant to Section 3, or (2) a
Participating Broker-Dealer notifies the Operating Partnership that a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating Broker-Dealer
who seeks to sell Exchange Notes, upon the occurrence of any event contemplated by paragraph 5(e)(v) or 5(e)(vi) hereof, as promptly as practicable, prepare and file with the SEC, at the expense of the Issuers and the Guarantors, a supplement or
post-effective amendment to the Registration Statement or a supplement to the related Prospectus or any document incorporated or deemed to be incorporated therein by reference, or file any other required document so that, as thereafter delivered to
the purchasers of the Registrable Notes being sold thereunder or to the purchasers of the Exchange Notes to whom such Prospectus will be delivered by a Participating Broker-Dealer, such Prospectus will not contain an untrue statement of a material
fact or omit to state a material fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under which they were made, not misleading, and, if SEC review is required, use their commercially
reasonable efforts to cause such post-effective amendment to be declared effective as soon as practicable. 

  

	 	(l)	Prior to the initial issuance of the Exchange Notes, (i) provide the Trustee with one or more certificates for the Exchange Notes or the Registrable Notes in a
form eligible for deposit with The Depository Trust Company and (ii) provide a CUSIP number for the Exchange Notes. 

  

	 	(m)	If a Shelf Registration is filed pursuant to Section 3, enter into such agreements (including an underwriting agreement and associated documentation (including,
without limitation, customary opinions, comfort letters and other closing documentation) in form, scope and substance as is customary in underwritten offerings of debt securities similar to the Notes, as may be appropriate in the circumstances) and
take all such other necessary actions in connection therewith (including those reasonably requested in writing by the Managing Underwriters, if any, or the Holders of a majority in aggregate principal amount of the Registrable Notes being sold) in
order to expedite or facilitate the registration or the disposition of such Registrable Notes. 

  

	 	(n)	 During the Effectiveness Period or the Applicable Period, as the case may be, if (1) a Shelf Registration is filed pursuant to Section 3, or
(2) a Participating Broker-Dealer notifies the Operating Partnership that a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating
Broker-Dealer who seeks to sell Exchange Notes, make available for inspection by any selling Holder of such Registrable Notes being 

  
 13 

	 	
sold, or each such Participating Broker-Dealer, as the case may be, any underwriter participating in any such disposition of Registrable Notes, if any, and any attorney, accountant or other agent
retained by any such selling Holder or each such Participating Broker-Dealer, as the case may be, or underwriter (collectively, the “Inspectors”), at the offices where normally kept, during reasonable business hours, all material
financial and other records and pertinent material corporate documents of Holdings and its subsidiaries (collectively, the “Records”) as shall be reasonably necessary to enable them to exercise any applicable due diligence
responsibilities, and cause the officers, directors and employees of Holdings and its subsidiaries to supply all information reasonably requested in writing by any such Inspector in connection with such Registration Statement. Each Inspector shall
agree in writing that it will keep the Records confidential and not disclose any of the Records unless (i) the release of such Records is ordered pursuant to a subpoena or other order from a court of competent jurisdiction, (ii) the
information in such Records is public or has been made generally available to the public other than as a result of a disclosure or failure to safeguard by such Inspector or (iii) disclosure of such information is, in the reasonable written
opinion of counsel for any Inspector, necessary in connection with any action, claim, suit or proceeding, directly or indirectly, involving such Inspector and arising out of, based upon, related to, or involving this Agreement, or any transaction
contemplated hereby or arising hereunder. Each selling Holder of such Registrable Notes and each such Participating Broker-Dealer will be required to agree that information obtained by it as a result of such inspections shall be deemed confidential
and shall not be used by it as the basis for any market transactions in the securities of Holdings unless and until such is made generally available to the public. Each Inspector, each selling Holder of such Registrable Notes and each such
Participating Broker-Dealer will be required to further agree that it will, upon learning that disclosure of such Records is sought in a court of competent jurisdiction, give prior written notice to the Operating Partnership and, to the extent
practicable, use their commercially reasonable efforts to allow the Operating Partnership, at its expense, to undertake appropriate action to prevent disclosure of the Records deemed confidential. 

 

	 	(o)	[Reserved]. 

  

	 	(p)	If the Exchange Offer is to be consummated, upon delivery of the Notes by the Holders to the Issuers and the Guarantors (or to such other Person as directed by the
Issuers and the Guarantors) in exchange for the Exchange Notes, the Issuers and the Guarantors shall mark, or caused to be marked, on such Notes that the Exchange Notes are being issued as substitute evidence of the indebtedness originally evidenced
by the Notes; provided that in no event shall such Notes be marked as paid or otherwise satisfied. 

  

	 	(q)	Reasonably cooperate with each seller of Registrable Notes covered by any Shelf Registration Statement and each underwriter, if any, participating in the disposition of
such Registrable Notes and their respective counsel in connection with any filings required to be made with FINRA. 

  

	 	(r)	Use their commercially reasonable efforts to take all other steps reasonably necessary to effect the registration of the Registrable Notes or the Exchange Notes covered
by a Registration Statement contemplated hereby. 

  
 14 

	 	(s)	The Issuers may require each seller of Registrable Notes or Participating Broker-Dealer as to which any registration is being effected to furnish to the Issuers such
information regarding such seller or Participating Broker-Dealer and the distribution of such Registrable Notes or Exchange Notes as the Issuers may, from time to time, reasonably request in writing. The Issuers may exclude from such registration
the Registrable Notes or Exchange Notes of any seller who fails to furnish such information within a reasonable time (which time in no event shall exceed 20 days, subject to Section 3(d)) hereof) after receiving such request. Each seller of
Registrable Notes or Participating Broker-Dealer as to which any registration is being effected agrees to furnish promptly to the Issuers all information required to be disclosed in order to make the information previously furnished by such seller
not materially misleading. 

  

	 	(t)	Each Holder of Registrable Notes and each Participating Broker-Dealer agrees by acquisition of such Registrable Notes or Exchange Notes to be sold by such Participating
Broker-Dealer, as the case may be, that, upon receipt of any notice from the Issuers of the happening of any event of the kind described in Section 5(e)(ii), 5(e)(iv), 5(e)(v), 5(e)(vi), 5(e)(vii) or 5(e)(viii), such Holder will forthwith
discontinue disposition of such Registrable Notes covered by a Registration Statement and such Participating Broker-Dealer will forthwith discontinue disposition of such Exchange Notes pursuant to any Prospectus and, in each case, forthwith
discontinue dissemination of such Prospectus until such Holder’s or Participating Broker-Dealer’s receipt of the copies of the supplemented or amended Prospectus contemplated by Section 5(k), or until it is advised in writing (the
“Advice”) by the Issuers and the Guarantors that the use of the applicable Prospectus may be resumed, and has received copies of any amendments or supplements thereto and, if so directed by the Issuers and the Guarantors, such
Holder or Participating Broker-Dealer, as the case may be, will deliver to the Issuers all copies, other than permanent file copies, then in such Holder’s or Participating Broker-Dealer’s possession, of the Prospectus covering such
Registrable Notes current at the time of the receipt of such notice. In the event the Issuers and the Guarantors shall give any such notice, the Applicable Period shall be extended by the number of days during such periods from and including the
date of the giving of such notice to and including the date when each Participating Broker-Dealer shall have received (x) the copies of the supplemented or amended Prospectus contemplated by Section 5(k) or (y) the Advice.

  

	6.	Registration Expenses 

 Except as set forth in Section 9, all fees and expenses incident to the performance of or compliance with this Agreement by the Issuers and the Guarantors shall be borne by the Issuers and the
Guarantors, whether or not the Exchange Registration Statement or a Shelf Registration is filed or becomes effective, including, without limitation, (i) all registration and filing fees, including, without limitation, (A) fees with respect
to filings required to be made with FINRA in connection with any underwritten offering and (B) fees and expenses of the registration or qualification of the Registrable Notes or the Exchange Notes for offer and sale under the state securities
or Blue Sky laws as provided in Section 6(h) hereof (including, without limitation, reasonable fees and disbursements of counsel in connection with such registration or qualification), (ii) printing expenses, including, without limitation,
expenses of printing Prospectuses if the printing of Prospectuses is reasonably requested by the Managing Underwriter, if any, or otherwise as determined by the Issuers in their sole discretion, (iii) fees

  
 15 

 
and disbursements of counsel for the Issuers and the Guarantors, (iv) fees and disbursements of Holdings or the Operating Partnership’s independent certified public accountants referred
to in Section 5 (including, without limitation, the expenses of any special audit and “cold comfort” letters required by or incident to such performance), (v) rating agency fees, (vi) Securities Act liability insurance, if
the Issuers and the Guarantors desire such insurance, (vii) fees and expenses of all other Persons retained by the Issuers and the Guarantors, (viii) the fees and expenses of the Trustee and (ix) the expenses relating to printing,
word processing and distributing all Registration Statements, underwriting agreements, securities sales agreements, indentures and any other documents necessary in order to comply with this Agreement. 

 

	7.	Indemnification 

  

	 	(a)	Indemnification by the Issuers and the Guarantors. Each of the Issuers and the Guarantors, jointly and severally, agrees to indemnify and hold harmless each
Holder of Registrable Notes or Exchange Notes and each Participating Broker-Dealer selling Exchange Notes during the Applicable Period, each Person, if any, who controls each such Holder and Participating Broker-Dealer (within the meaning of
Section 15 of the Securities Act or Section 20(a) of the Exchange Act), from and against any and all losses, claims, damages and liabilities (including, without limitation, reasonable attorneys’ fees and reasonable expenses incurred
in connection with investigating or defending any of the foregoing as provided in this Section 7) (collectively, “Losses”), as incurred, directly or indirectly caused by, related to, based upon, arising out of or in connection
with any untrue or alleged untrue statement of a material fact contained in any Registration Statement, Prospectus or form of prospectus, or in any amendment or supplement thereto, or in any preliminary prospectus or free writing prospectus, or
caused by any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under which they were made, not misleading, except insofar as such
Losses are caused by such untrue statement or omission or alleged untrue statement or omission based upon any information relating to such Holder or Participating Broker-Dealer furnished to the Issuers or the Guarantors in writing by such Holder or
Participating Broker-Dealer or their counsel expressly for use therein. 

  

	 	(b)	 Indemnification by Holder. In connection with any Registration Statement, Prospectus or form of prospectus, any amendment or supplement thereto,
or any preliminary prospectus in which a Holder is participating, such Holder shall furnish to the Issuers and the Guarantors in writing such information as the Issuers and the Guarantors reasonably request for use in connection with any
Registration Statement, Prospectus or form of prospectus, any amendment or supplement thereto, or any preliminary prospectus and shall indemnify and hold harmless the Issuers, the Guarantors, their respective directors and officers and each Person,
if any, who controls the Issuers and the Guarantors (within the meaning of Section 15 of the Securities Act and Section 20(a) of the Exchange Act), from and against all Losses arising out of or based upon any untrue or alleged untrue
statement of a material fact contained in any Registration Statement, Prospectus or form of prospectus or in any amendment or supplement thereto or in any preliminary prospectus, or any omission or alleged omission to state therein a material fact
required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading to the extent, but only to the extent, that such Losses are caused by an untrue statement

  
 16 

	 	
or alleged untrue statement of a material fact or omission or alleged omission of a material fact contained in or omitted from any information so furnished in writing by such Holder to the
Issuers and the Guarantors expressly for use therein. Notwithstanding the foregoing, in no event shall the liability of any selling Holder be greater in amount than such Holder’s Maximum Contribution Amount (as defined below).

  

	 	(c)	Conduct of Indemnification Proceedings. If any proceeding shall be brought or asserted against any Person entitled to indemnity hereunder (an
“Indemnified Party”), such Indemnified Party shall promptly notify the party or parties from which such indemnity is sought (the “Indemnifying Party” or “Indemnifying Parties”, as applicable) in
writing; provided, that the failure to so notify the Indemnifying Parties shall not (i) relieve such Indemnifying Party from any obligation or liability unless and only to the extent it is materially prejudiced as a result thereof and
(ii) will not, in any event, relieve the Indemnifying Party from any obligations to any Indemnified Party. 

The Indemnifying Party shall, upon the request of the Indemnified Party, retain counsel reasonably satisfactory to the Indemnified Party
to represent the Indemnified Party and any others the Indemnifying Party may designate in such proceeding and shall pay the fees and disbursements of such counsel related to such proceeding. In any such proceeding, any Indemnified Party shall have
the right to retain its own counsel, but the fees and expenses of such counsel shall be at the expense of such Indemnified Party or parties unless: (1) the Indemnifying Party and the Indemnified Party shall have mutually agreed to the retention
of such counsel or (2) the named parties to any such proceeding (including any impleaded parties) include both the Indemnifying Party and the Indemnified Party and representation of both parties by the same counsel would be inappropriate due to
actual or potential differing interests between them. It is understood that the Indemnifying Party shall not, in respect of the legal expenses of any Indemnified Party in connection with any proceeding or related proceedings in the same
jurisdiction, be liable for the fees and expenses of more than one separate firm (in addition to any local counsel) for all such Indemnified Parties and that all such fees and expenses shall be reimbursed as they are incurred. Such firm shall be
designated in writing by a majority of the Holders of the Registrable Notes or Exchange Notes, in the case of parties indemnified pursuant to Section 7(a), by any Issuer or Guarantor, in the case of parties indemnified pursuant to
Section 7(b). The Indemnifying Party shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such consent or if there be a final judgment for the plaintiff, the Indemnifying Party
agrees to indemnify the Indemnified Party from and against any loss or liability by reason of such settlement or judgment. No Indemnifying Party shall, without the prior written consent of the Indemnified Party, effect any settlement of any pending
or threatened proceeding in respect of which any Indemnified Party is or could have been a party and indemnity could have been sought hereunder by such Indemnified Party, unless such settlement includes an unconditional release of such Indemnified
Party from all liability on claims that are the subject matter of such proceeding and does not include a statement as to or an admission of fault, culpability or a failure to act by or on behalf of any Indemnified Party. 

 

	 	(d)	 Contribution. If the indemnification provided for in Section 7(a) or 7(b) is unavailable to an Indemnified Party or is insufficient in
respect of any Losses referred to therein, 

  
 17 

	 	
then each Indemnifying Party under such paragraph, in lieu of indemnifying such Indemnified Party thereunder, shall contribute the amount paid or payable by such Indemnified Party as a result of
such Losses (i) in such proportion as is appropriate to reflect the relative benefits received by the Indemnifying Party, on the one hand, and the Indemnified Party, on the other hand or (ii) if the allocation provided by clause 7(d)(i)
above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause 7(d)(i) above but also the relative fault of the Indemnifying Party, on the one hand, and of the
Indemnified Party, on the other hand, in connection with the statements or omissions that resulted in such Losses as well as any other relevant equitable considerations. The relative fault of the Indemnifying Party, on the one hand, and the
Indemnified Party, on the other hand, shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information
supplied by the Indemnifying Party or by the Indemnified Party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The Holders respective obligations to
contribute pursuant to this Section 7 are several in proportion to the respective principal amount of Notes they have purchased hereunder, and not joint. 

 The parties hereto agree that it would not be just and equitable if contribution pursuant to this Section 7(d) were determined by pro rata allocation or by other method of allocation that does not
take account of the equitable considerations referred to in the immediately preceding paragraph. Notwithstanding the provisions of this Section 7(d), a selling Holder shall not be required to contribute, in the aggregate, any amount in excess
of such Holder’s Maximum Contribution Amount. A selling Holder’s “Maximum Contribution Amount” shall equal the excess of (i) the aggregate proceeds received by such Holder pursuant to the sale of such Registrable
Notes or Exchange Notes over (ii) the aggregate amount of damages that such Holder has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not guilty of such fraudulent misrepresentation. The Holders’ obligations to contribute pursuant to
this Section 7(d) are several in proportion to the respective principal amount of the Notes held by each Holder hereunder and not joint. The Issuers’ and Guarantors’ obligations to contribute pursuant to this Section 7(d) are
joint and several. 
 The indemnity and contribution agreements contained in this Section 7 are in addition to any
liability that the Indemnifying Parties may have to the Indemnified Parties. 
  

	8.	Rules 144 and 144A 

The Issuers and the Guarantors covenant that they shall (a) file the reports required to be filed by it (if so required) under the
Securities Act and the Exchange Act in a timely manner and, if at any time the Issuers or the Guarantors is not required to file such reports, they will, upon the written request of any Holder of Registrable Notes, make publicly available other
information necessary to permit sales pursuant to Rule 144 and 144A and (b) take such further action as any Holder may reasonably request in writing, all to the extent required from time to time to enable such Holder to sell

  
 18 

 
Registrable Notes without registration under the Securities Act pursuant to the exemptions provided by Rule 144 and Rule 144A. Upon the request of any Holder, the Issuers and the Guarantors shall
deliver to such Holder a written statement as to whether they have complied with such information and requirements. 
  

	9.	Underwritten Registrations of Registrable Notes 

 The Holders of Registrable Notes who hold at least 25% in aggregate principal amount of such Registrable Notes covered by any Shelf Registration Statement who desire to do so may sell such Registrable
Notes in an underwritten offering; provided that each Holder shall bear such Holder’s proportionate share (based on the total number of Registrable Notes sold in such registration) of all discounts and commissions payable to the
underwriters or brokers and all transfer taxes and transfer fees in connection with a registration of Registrable Notes pursuant to this Agreement. If any of the Registrable Notes covered by any Shelf Registration is to be sold in an underwritten
offering, the investment banker or investment bankers and manager or managers that will manage the offering will be selected by the Issuers and Holdings. 
 No Holder of Registrable Notes may participate in any underwritten registration hereunder unless such Holder (a) agrees to sell such Holder’s Registrable Notes on the basis provided in any
underwriting arrangements approved by the Persons entitled hereunder to approve such arrangements and (b) completes and executes all questionnaires, powers of attorney, indemnities, underwriting agreements and other documents required under the
terms of such underwriting arrangements. 
  

	10.	Miscellaneous 

  

	 	(a)	No Inconsistent Agreements. The Issuers and each of the Guarantors have not entered, as of the date hereof, and the Issuers and each of the Guarantors shall not
enter, after the date of this Agreement, into any agreement with respect to the Notes that is inconsistent with the rights granted to the Holders in this Agreement or otherwise conflicts with the provisions hereof. The Issuers and each of the
Guarantors have not entered and will not enter into any agreement with respect to any of its securities that will grant to any Person piggy-back rights with respect to a Registration Statement. 

 

	 	(b)	Adjustments Affecting Registrable Notes. The Issuers and the Guarantors shall not, directly or indirectly, take any action with respect to the Registrable Notes
as a class that would adversely affect the ability of the Holders to include such Registrable Notes in a registration undertaken pursuant to this Agreement. 

 

	 	(c)	 Amendments and Waivers. The provisions of this Agreement may not be amended, modified or supplemented, and waivers or consents to departures
from the provisions hereof may not be given, otherwise than with the prior written consent of the Holders of not less than a majority in aggregate principal amount of the then outstanding Registrable Notes in circumstances that would adversely
affect any Holders of Registrable Notes; provided, however, that Section 7 and this Section 10(c) may not be amended, modified or supplemented without the prior written consent of each Holder. Notwithstanding the foregoing, a
waiver or consent to depart from the provisions hereof with respect to a matter that relates exclusively to the rights of Holders of Registrable Notes whose securities are being tendered pursuant to the Exchange Offer or sold pursuant to a Notes
Registration Statement and that does not directly or indirectly affect, impair, limit or compromise the rights of other Holders of Registrable Notes 

  
 19 

	 	
may be given by Holders of at least a majority in aggregate principal amount of the Registrable Notes being tendered or being sold by such Holders pursuant to such Notes Registration Statement.

  

	 	(d)	Notices. All notices and other communications provided for or permitted hereunder shall be made in writing by hand delivery, registered first-class mail,
next-day air courier or telecopier: 

  

	 	(i)	if to a Holder of Notes or to any Participating Broker-Dealer, at the most current address of such Holder or Participating Broker-Dealer, as the case may be, set forth
on the records of the registrar of the Notes, with a copy in like manner to the Initial Purchasers as follows: 

Barclays Capital Inc. 
 745 Seventh Avenue 
 New York, New York 10019 

with a copy to: 

Latham & Watkins LLP 
 885 Third Ave. Suite 1000 
 New York, New York 10013 

Attention: Kirk A. Davenport, Esq. 
  

	 	(ii)	if to the Initial Purchasers, at the address specified in Section 10(e)(1); 

 

	 	(iii)	if to the Issuers or any Guarantor, as follows: 

 CyrusOne Inc. 
 1649 West Frankford Road 

Carrollton, Texas 75007 
 Attention: Chief Financial Officer 
 with a copy to: 

Cravath, Swaine & Moore 
 825 Eighth Avenue 
 New York, New York 10019 

Attention: William Fogg, Esq. 
 All such notices and communications shall be deemed to have been duly given: when delivered by hand, if personally delivered; five business days after being deposited in the United States mail, postage
prepaid, if mailed; one business day after being timely delivered to a next-day air courier guaranteeing overnight delivery; and when receipt is acknowledged by the addressee, if telecopied. 

Copies of all such notices, demands or other communications shall be concurrently delivered by the Person giving the same to the Trustee
under the Indenture at the address specified in such Indenture. 

  
 20 

	 	(e)	Successors and Assigns. This Agreement shall inure to the benefit of and be binding upon the successors and assigns of each of the parties hereto, including,
without limitation and without the need for an express assignment, subsequent Holders of Notes. 

  

	 	(f)	Counterparts. This Agreement may be executed in any number of counterparts and by the parties hereto in separate counterparts, each of which when so executed
shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. 

  

	 	(g)	Headings. The headings in this Agreement are for convenience of reference only and shall not limit or otherwise affect the meaning hereof.

  

	 	(h)	Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF
LAW. EACH OF THE ISSUERS AND EACH OF THE GUARANTORS HEREBY IRREVOCABLY SUBMIT TO THE JURISDICTION OF ANY NEW YORK STATE COURT SITTING IN THE BOROUGH OF MANHATTAN IN THE CITY OF NEW YORK OR ANY FEDERAL COURT SITTING IN THE BOROUGH OF MANHATTAN IN THE
CITY OF NEW YORK IN RESPECT OF ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT, AND IRREVOCABLY ACCEPTS FOR ITS AND IN RESPECT OF ITS PROPERTY, GENERALLY AND UNCONDITIONALLY, JURISDICTION OF THE AFORESAID COURTS. EACH OF
THE ISSUERS AND EACH OF THE GUARANTORS IRREVOCABLY WAIVES, TO THE FULLEST EXTENT IT MAY EFFECTIVELY DO SO UNDER APPLICABLE LAW, TRIAL BY JURY AND ANY OBJECTION THAT IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY SUCH SUIT, ACTION OR
PROCEEDING BROUGHT IN ANY SUCH COURT AND ANY CLAIM THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. EACH OF THE ISSUERS AND EACH OF THE GUARANTORS IRREVOCABLY CONSENTS, TO THE FULLEST
EXTENT IT MAY EFFECTIVELY DO SO UNDER APPLICABLE LAW, TO THE SERVICE OF PROCESS OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO THE ISSUERS OR
THE GUARANTORS AT ITS SAID ADDRESS, SUCH SERVICE TO BECOME EFFECTIVE 30 DAYS AFTER SUCH MAILING. NOTHING HEREIN SHALL AFFECT THE RIGHT OF ANY HOLDER TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL PROCEEDINGS OR OTHERWISE
PROCEED AGAINST THE ISSUERS OR ANY GUARANTOR IN ANY OTHER JURISDICTION. 

  

	 	(i)	 Severability. If any term, provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction to be invalid,
illegal, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions set forth herein shall remain in full force and effect and shall in no way be affected, impaired or invalidated, and the parties hereto shall use
their commercially reasonable efforts to find and 

  
 21 

	 	
employ an alternative means to achieve the same or substantially the same result as that contemplated by such term, provision, covenant or restriction. It is hereby stipulated and declared to be
the intention of the parties that they would have executed the remaining terms, provisions, covenants and restrictions without including any of such that may be hereafter declared invalid, illegal, void or unenforceable. 

 

	 	(j)	Registrable Notes and Exchange Notes Held by the Issuers or their Respective Affiliates. Whenever the consent or approval of Holders of a specified percentage of
Notes or Exchange Notes is required hereunder, Notes and Exchange Notes held by the Issuers or their respective affiliates (as such term is defined in Rule 405 under the Securities Act) shall not be counted in determining whether such consent or
approval was given by the Holders of such required percentage. 

  

	 	(k)	Third Party Beneficiaries. Holders and Participating Broker-Dealers are intended third party beneficiaries of this Agreement and this Agreement may be enforced
by such Persons. 

  

	 	(l)	Entire Agreement. This Agreement, together with the Purchase Agreement and the Indenture, is intended by the parties as a final and exclusive statement of the
agreement and understanding of the parties hereto in respect of the subject matter contained herein and therein and any and all prior oral or written agreements, representations, or warranties, contracts, understanding, correspondence, conversations
and memoranda between the Initial Purchasers on the one hand and the Issuers and the Guarantors on the other, or between or among any agents, representatives, parents, subsidiaries, affiliates, predecessors in interest or successors in interest with
respect to the subject matter hereof and thereof are merged herein and replaced hereby. 

  

	 	(m)	Additional Guarantors. So long as any Registrable Notes remain outstanding, the Issuers will cause each Additional Guarantor upon the creation or acquisition by
the Issuers of such Additional Guarantor, to execute a counterpart to this Agreement in the form attached hereto as Annex A and to deliver such counterpart to the Initial Purchasers no later than five Business Days following the execution thereof.

  
 22 

 SIGNATURES 
 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written above. 
  

					
	Very truly yours,
	
	CyrusOne Inc.
		
	By:	 	 /s/ Kimberly H. Sheehy

		 	Name: Kimberly H. Sheehy
		 	 Title: Chief Financial Officer and Administrative Officer

	
	CyrusOne GP
	
	By: CyrusOne Inc., as the sole trustee
		
	By:	 	 /s/ Kimberly H. Sheehy

		 	Name: Kimberly H. Sheehy
		 	 Title: Chief Financial Officer and Administrative Officer

	
	CyrusOne LP
	
	 By: CyrusOne GP, as the sole General Partner

 
 By: CyrusOne Inc., as the sole trustee

		
	By:	 	 /s/ Kimberly H. Sheehy

		 	Name: Kimberly H. Sheehy
		 	 Title: Chief Financial Officer and Administrative Officer

	
	 CyrusOne Finance Inc.

		
	 By
	 	 /s/ Kimberly H. Sheehy

		 	 Name: Kimberly H. Sheehy

		 	 Title: Chief Financial Officer and Administrative Officer

  
 23 

 
			
	CyrusOne LLC
		
	By	 	 /s/ Kimberly H. Sheehy

		 	Name: Kimberly H. Sheehy
		 	Title: Chief Financial Officer and Administrative Officer
	
	CyrusOne TRS
		
	By	 	 /s/ Kimberly H. Sheehy

		 	Name: Kimberly H. Sheehy
		 	Title: Chief Financial Officer and Administrative Officer
	
	Cyrus One Foreign Holdings LLC
		
	By	 	 /s/ Kimberly H. Sheehy

		 	Name: Kimberly H. Sheehy
		 	Title: Chief Financial Officer and Administrative Officer

  

			
	 ACCEPTED AND AGREED TO:
 For itself and on behalf of the
 Initial Purchasers listed in Schedule I
hereto

	
	By BARCLAYS CAPITAL INC., as Authorized Representative
		
	By	 	 /s/ Robert Chen

		 	Name: Robert Chen
		 	Title: Managing Director

  
 24 

 SCHEDULE I 

INITIAL PURCHASERS 

Barclays Capital Inc. 
 Citigroup Global Markets
Inc. 
 KeyBanc Capital Markets Inc. 

RBS Securities Inc. 
 UBS Financial Services Inc.

 PNC Capital Markets LLC 
 J.P. Morgan
Securities LLC 
 TD Securities (USA) Inc. 

  
 25 

 SCHEDULE II 

OTHER GUARANTORS 

CyrusOne LLC 
 CyrusOne TRS 

Cyrus One Foreign Holdings LLC 

  
 26 

 Annex A 
 Counterpart to Registration Rights Agreement 
 The undersigned hereby
absolutely, unconditionally and irrevocably agrees as a Guarantor (as defined in the Registration Rights Agreement, dated as of November 20, 2012 by and among CyrusOne LP and CyrusOne Finance Corp., as Issuers, the guarantors party thereto and
Barclays Capital Inc., on behalf of itself and the other Initial Purchasers listed in Schedule I thereto) to be bound by the terms and provisions of such Registration Rights Agreement. 

IN WITNESS WHEREOF, the undersigned has executed this counterpart as of 

 

			
	[NAME]
		
	By:	 	  

	Name:	 	
	Title:	 	

  
 27EX-10.1

 Exhibit 10.1 
 EXECUTION COPY 
 CONTRIBUTION AGREEMENT 

DATED AS OF NOVEMBER 20, 2012 
 BY AND BETWEEN 
 CYRUSONE LP, 

a Maryland limited partnership 
 AND 
 DATA CENTERS SOUTH INC., 

a Delaware corporation 

 TABLE OF CONTENTS 

 

							
	 	  	 	  	Page	 
	
	ARTICLE I	  
	
	CONTRIBUTION	  
			
	 Section 1.01.
	  	 CONTRIBUTION OF CONTRIBUTED ASSETS
	  	 	2	  
	 Section 1.02.
	  	 ASSUMPTION OF THE ASSUMED LIABILITIES
	  	 	2	  
	 Section 1.03.
	  	 TRANSFER OF THE OP UNITS
	  	 	3	  
	 Section 1.04.
	  	 FURTHER ACTION
	  	 	3	  
	 Section 1.05.
	  	 TREATMENT AS CONTRIBUTION
	  	 	3	  
	
	ARTICLE II	  
	
	CLOSING	  
			
	 Section 2.01.
	  	 CONDITIONS PRECEDENT
	  	 	4	  
	 Section 2.02.
	  	 TIME AND PLACE
	  	 	5	  
	 Section 2.03.
	  	 DELIVERY OF OP UNITS
	  	 	5	  
	 Section 2.04.
	  	 CLOSING DELIVERIES
	  	 	6	  
	 Section 2.05.
	  	 TERM OF THE AGREEMENT
	  	 	6	  
	 Section 2.06.
	  	 EFFECT OF TERMINATION
	  	 	6	  
	 Section 2.07.
	  	 TAX WITHHOLDING
	  	 	6	  
	
	ARTICLE III	  
	
	REPRESENTATIONS AND WARRANTIES OF THE OPERATING PARTNERSHIP	  
			
	 Section 3.01.
	  	 ORGANIZATION; AUTHORITY
	  	 	6	  
	 Section 3.02.
	  	 DUE AUTHORIZATION
	  	 	7	  
	 Section 3.03.
	  	 CONSENTS AND APPROVALS
	  	 	7	  
	 Section 3.04.
	  	 NO VIOLATION
	  	 	7	  
	 Section 3.05.
	  	 VALIDITY OF OP UNITS
	  	 	8	  
	 Section 3.06.
	  	 LITIGATION
	  	 	8	  
	 Section 3.07.
	  	 OP AGREEMENT
	  	 	8	  
	 Section 3.08.
	  	 LIMITED ACTIVITIES
	  	 	8	  
	 Section 3.09.
	  	 NO OTHER REPRESENTATIONS OR WARRANTIES
	  	 	8	  
	
	ARTICLE IV	  
	
	REPRESENTATIONS AND WARRANTIES OF THE CONTRIBUTOR	  
			
	 Section 4.01.
	  	 ORGANIZATION; AUTHORITY
	  	 	8	  
	 Section 4.02.
	  	 DUE AUTHORIZATION
	  	 	8	  
	 Section 4.03.
	  	 OWNERSHIP OF THE OTHER CONTRIBUTED ASSETS
	  	 	9	  
	 Section 4.04.
	  	 OWNERSHIP OF THE PROPERTIES
	  	 	9	  

  
 i 

							
	 Section 4.05.
	  	 CONSENTS AND APPROVALS
	  	 	9	  
	 Section 4.06.
	  	 NO VIOLATION
	  	 	10	  
	 Section 4.07.
	  	 NON-FOREIGN PERSON
	  	 	10	  
	 Section 4.08.
	  	 TAXES
	  	 	10	  
	 Section 4.09.
	  	 SOLVENCY
	  	 	10	  
	 Section 4.10.
	  	 LITIGATION
	  	 	10	  
	 Section 4.11.
	  	 COMPLIANCE WITH LAWS
	  	 	10	  
	 Section 4.12.
	  	 EMINENT DOMAIN
	  	 	11	  
	 Section 4.13.
	  	 LICENSES AND PERMITS
	  	 	11	  
	 Section 4.14.
	  	 ENVIRONMENTAL COMPLIANCE
	  	 	11	  
	 Section 4.15.
	  	 CUSTOMER LEASES
	  	 	11	  
	 Section 4.16.
	  	 ZONING
	  	 	11	  
	 Section 4.17.
	  	 INVESTMENT
	  	 	12	  
	 Section 4.18.
	  	 NO OTHER REPRESENTATIONS OR WARRANTIES
	  	 	12	  
	
	ARTICLE V	  
	
	INDEMNIFICATION	  
			
	 Section 5.01.
	  	 GENERAL INDEMNIFICATION
	  	 	13	  
	 Section 5.02.
	  	 NOTICE OF CLAIMS
	  	 	13	  
	 Section 5.03.
	  	 THIRD PARTY CLAIMS
	  	 	13	  
	 Section 5.04.
	  	 EXPIRATION
	  	 	14	  
	 Section 5.05.
	  	 LIMITATIONS ON AMOUNTS
	  	 	14	  
	 Section 5.06.
	  	 EXCLUSIVE REMEDY
	  	 	15	  
	 Section 5.07.
	  	 TAX TREATMENT
	  	 	15	  
	
	ARTICLE VI	  
	
	COVENANTS AND OTHER AGREEMENTS	  
			
	 Section 6.01.
	  	 COVENANTS OF THE CONTRIBUTOR
	  	 	15	  
	 Section 6.02.
	  	 COMMERCIALLY REASONABLE EFFORTS BY THE OPERATING PARTNERSHIP AND THE CONTRIBUTOR
	  	 	15	  
	 Section 6.03.
	  	 TAX AGREEMENT
	  	 	15	  
	
	ARTICLE VII	  
	
	WAIVERS AND CONSENTS	  
	
	ARTICLE VIII	  
	
	GENERAL PROVISIONS	  
			
	 Section 8.01.
	  	 NOTICES
	  	 	16	  
	 Section 8.02.
	  	 DEFINITIONS
	  	 	16	  
	 Section 8.03.
	  	 COUNTERPARTS
	  	 	20	  

  
 ii 

							
	 Section 8.04.
	  	 ENTIRE AGREEMENT; THIRD-PARTY BENEFICIARIES
	  	 	20	  
	 Section 8.05.
	  	 GOVERNING LAW
	  	 	20	  
	 Section 8.06.
	  	 ASSIGNMENT
	  	 	20	  
	 Section 8.07.
	  	 JURISDICTION
	  	 	20	  
	 Section 8.08.
	  	 SEVERABILITY
	  	 	21	  
	 Section 8.09.
	  	 RULES OF CONSTRUCTION
	  	 	21	  
	 Section 8.10.
	  	 EQUITABLE REMEDIES
	  	 	22	  
	 Section 8.11.
	  	 DESCRIPTIVE HEADINGS
	  	 	22	  
	 Section 8.12.
	  	 NO PERSONAL LIABILITY CONFERRED
	  	 	22	  
	 Section 8.13.
	  	 AMENDMENT; WAIVER
	  	 	22	  

  
 iii

 Defined Terms 

 

			
	 TERM
	  	 SECTION

	 Affiliate
	  	Section 8.02
	 Agreement
	  	Introduction
	 Assumed Agreements
	  	Section 1.01
	 Assumed Liabilities
	  	Section 1.02
	 Business Day
	  	Section 8.02
	 CBI
	  	Recitals
	 CBI Intercompany Debt
	  	Recitals
	 CBTS
	  	Recitals
	 CBTS Intercompany Debt
	  	Recitals
	 Claim
	  	Article V
	 Claim Notice
	  	Article V
	 Closing
	  	Section 2.02
	 Closing Date
	  	Section 2.02
	 Code
	  	Section 8.02
	 Contributed Assets
	  	Section 1.01
	 Contributor
	  	Introduction
	 Customer Leases
	  	Section 4.15
	 CyrusOne Credit Agreement
	  	Section 8.02
	 CyrusOne GP
	  	Recitals
	 Debt Issuance
	  	Recitals
	 Environmental Law
	  	Section 8.02
	 Environmental Liabilities
	  	Section 8.02
	 Environmental Permits
	  	Section 8.02
	 Expiration Date
	  	Article V
	 Fixtures and Personal Property
	  	Section 8.02
	 Formation Transactions
	  	Recitals
	 Governmental Authority
	  	Section 8.02
	 Governmental Authorization
	  	Section 8.02
	 Hazardous Material
	  	Section 8.02
	 Indemnified Party
	  	Article V
	 Indemnifying Party
	  	Article V
	 Intercompany Debt
	  	Recitals
	 Law
	  	Section 8.02
	 Liability
	  	Section 8.02
	 Liens
	  	Section 8.02
	 Losses
	  	Article V
	 Material Adverse Effect
	  	Section 8.02
	 OP Units
	  	Recitals
	 OP Value
	  	Section 5.05
	 Operating Partnership
	  	Introduction
	 Operating Partnership Agreement
	  	Section 1.05
	 Operating Partnership Subsidiaries
	  	Section 3.01
	 Order
	  	Section 8.02
	 Other Contributed Assets
	  	Section 1.01
	 Outside Date
	  	Section 2.05
	 Permitted Lien
	  	Section 8.02
	 Person
	  	Section 8.02
	 Proceeding
	  	Section 8.02

  
 iv 

			
	 TERM
	  	 SECTION

	 Properties
	  	Recitals
	 Property Interests
	  	Recitals
	 REIT
	  	Introduction
	 Release
	  	Section 8.02
	 Securities Act
	  	Section 8.02
	 Service Contracts
	  	Section 8.02
	 Subsidiary
	  	Section 8.02
	 Tax
	  	Section 8.02
	 Tax Return
	  	Section 8.02
	 Third Party Claims
	  	Article V
	 Total Consideration
	  	Recitals

  
 v 

 CONTRIBUTION AGREEMENT 

THIS CONTRIBUTION AGREEMENT is made and entered into as of November 20, 2012 (this “Agreement”), by and between
CyrusOne LP, a Maryland limited partnership (the “Operating Partnership”), which is a Subsidiary of CyrusOne Inc., a Maryland corporation (the “REIT”), and Data Centers South Inc., a Delaware corporation (the
“Contributor”). 
 RECITALS 
 WHEREAS, the REIT desires to consolidate the ownership of a portfolio of properties listed on Exhibit A (the “Properties”) through a series of transactions whereby the Operating
Partnership will acquire interests in the Properties; 
 WHEREAS, the Contributor owns or holds fee simple or leasehold
interests in the Properties (the “Property Interests”); 
 WHEREAS, the transactions contemplated by this
Agreement and certain other internal restructuring transactions to be completed prior to or on the Closing Date as set forth on Exhibit B-1 (collectively, the “Formation Transactions”) are related to the proposed issuance of
6.375% senior notes due 2022 by the Operating Partnership and CyrusOne Finance Corp., a Maryland corporation, as co-issuers (the “Debt Issuance”); 
 WHEREAS, the Contributor owes $401,509,589 aggregate amount (representing principal plus accrued interest) of intercompany debt to Cincinnati Bell Inc., an Ohio corporation (“CBI”) (such
debt, the “CBI Intercompany Debt”); 
 WHEREAS, the CBI Intercompany Debt was incurred on June 11, 2010 by
Cincinnati Bell Technology Solutions Inc., a Delaware corporation (“CBTS”), in order to fund its acquisition of the entity that held certain Contributed Assets (as defined) at the time of such acquisition; 

WHEREAS, the Contributor owes $60,386,849 aggregate amount (representing principal plus accrued interest) of intercompany debt to CBTS
(such debt, the “CBTS Intercompany Debt”, and together with the CBI Intercompany Debt, the “Intercompany Debt”); 
 WHEREAS, the CBTS Intercompany Debt was incurred by CyrusOne LLC, a Delaware limited liability company (formerly CyrusOne Inc., a Delaware corporation), in order to fund acquisitions of, and improvements
to, certain Contributed Assets; 
 WHEREAS, the CBI Intercompany Debt and the CBTS Intercompany Debt have been assumed by a
series of entities in connection with a series of contributions of the Contributed Assets (or, in certain cases, the entity that owned such assets) to which such debt relates; 
 WHEREAS, the Contributor desires to, and the Operating Partnership desires the Contributor to, contribute to the Operating Partnership, all of the Contributor’s right, title and interest in and to
the Property Interests and the Other Contributed Assets (as defined), free and clear of all Liens, except for Permitted Liens, in exchange for units of limited partnership interest (“OP Units”) in the Operating Partnership and the
assumption by the Operating Partnership of 

 
the Assumed Liabilities (as defined) (the transfer of such OP units to the Contributor and assumption of such Assumed Liabilities by the Operating Partnership, collectively, the “Total
Consideration”), on the terms and subject to the conditions set forth herein; and 
 WHEREAS, all necessary approvals
have been obtained by the parties to this Agreement to consummate the transactions contemplated herein and the other Formation Transactions. 
 NOW, THEREFORE, in consideration of the foregoing and the representations, warranties, covenants and other terms contained in this Agreement, the parties hereto, intending to be legally bound hereby,
agree as follows: 
 ARTICLE I 
 CONTRIBUTION 
 Section 1.01. CONTRIBUTION OF CONTRIBUTED ASSETS. Upon
the terms and subject to the conditions set forth herein, for the Total Consideration, at the Closing, the Contributor shall convey, assign and transfer to the Operating Partnership, and the Operating Partnership agrees to acquire and accept from
the Contributor, free and clear of all Liens, except for Permitted Liens, the Contributed Assets. For purposes of this Agreement, the term “Contributed Assets” shall mean all of the Contributor’s right, title and interest in
and to the following: 
 (a) its Property Interests; 

(b) those assets described on Exhibit C-1, and all right, title and interest held directly or indirectly by the
Contributor in (i) all Fixtures and Personal Property related to the Properties and (ii) all intangible personal property now or hereafter used in connection with the ownership, operation, maintenance, management or occupancy of the
Properties; 
 (c) those certain agreements described on Exhibit C-2, and all agreements and arrangements
related to the Properties, if any, to which the Contributor is a party, directly or indirectly, including all tenant leases and Service Contracts (collectively, the “Assumed Agreements”); and 

(d) all other properties, assets and rights of any kind, whether tangible or intangible, real or personal, held directly
or indirectly by the Contributor (the Contributed Assets described in Section 1.01(b), (c) and (d), collectively, the “Other Contributed Assets”). 
 Section 1.02. ASSUMPTION OF THE ASSUMED LIABILITIES. Upon the terms and subject to the conditions set forth in this Agreement, at the Closing, the Operating Partnership shall assume from the
Contributor and thereafter pay, perform or discharge in accordance with their terms any and all Liabilities of the Contributor, whether arising before, on or after the Closing Date, including the following Liabilities (collectively, the
“Assumed Liabilities”): 

  
 2 

 (a) all accounts payable outstanding as of or arising after the Closing
Date; 
 (b) all Liabilities in connection with the Intercompany Debt; 

(c) all Liabilities to the extent arising out of, or related to, any Contributed Asset, or arising out of, related to or
measured by the ownership by the Contributor and its Affiliates of any Contributed Asset or associated with the realization of the benefits of any Contributed Asset (including all Liabilities arising out of, or related to, any termination or
announcement or notification of an intent to terminate any Assumed Agreement); 
 (d) all Environmental
Liabilities to the extent relating to any Contributed Asset; 
 (e) all Liabilities in respect of any Proceeding
to the extent arising out of or related to any Contributed Asset (including any such Liabilities to the extent relating to any product liability, consumer protection, consumer fraud, breach of warranty or similar claim for injury or death to person
or damage to or destruction of property); 
 (f) all Tax Liabilities arising out of, related to or measured by
the ownership of the Contributed Assets for any taxable period or portion thereof beginning after the Closing Date; and 
 (g) all other Liabilities of whatever kind and nature, primary or secondary, direct or indirect, whether accrued or fixed, known or unknown, absolute or contingent, matured or unmatured or determined or
determinable of the Contributor. 
 Section 1.03. TRANSFER OF THE OP UNITS. Upon the terms and subject to the conditions
set forth in this Agreement, at the Closing, the Operating Partnership shall transfer to the Contributor 68,650,250 OP Units. The transfer of OP Units to the Contributor shall be evidenced by an amendment to the Operating Partnership Agreement in
such form as shall be reasonably acceptable to the Contributor. 
 Section 1.04. FURTHER ACTION. If, at any time after the
Closing, the Operating Partnership shall determine or be advised that any deeds, bills of sale, assignments, assurances or other actions or things are necessary or desirable to vest, perfect or confirm of record or otherwise in the Operating
Partnership the right, title or interest in or to the Contributed Assets or Assumed Liabilities contributed by the Contributor, the Contributor shall execute and deliver all such deeds, bills of sale, assignments and assurances and take and do all
such other actions and things as may be necessary or desirable to vest, perfect or confirm any and all right, title and interest in or to such Contributed Assets or Assumed Liabilities, or otherwise to carry out this Agreement; provided, that
the Contributor shall not be obligated to take any action or execute any document if the additional actions or documents impose additional liabilities, obligations, covenants, responsibilities, representations or warranties on the Contributor that
are not contemplated by this Agreement or reasonably inferable by the terms herein. 
 Section 1.05. TREATMENT AS
CONTRIBUTION. 

  
 3 

 (a) Any transfer, assignment and exchange by the Contributor effectuated
pursuant to this Agreement shall constitute a “Capital Contribution” by the Contributor to the Operating Partnership as defined in Article I of the Operating Partnership Agreement (as defined) and is intended to be governed by
Section 721(a) of the Code. 
 (b) The Contributor and the Operating Partnership agree to the tax treatment
described in Section 1.05(a), and the Contributor and the Operating Partnership shall file their respective Tax Returns consistent with such treatment, unless otherwise required by applicable Law. 

ARTICLE II 

CLOSING 

Section 2.01. CONDITIONS PRECEDENT. 
 (a) Condition to Each Party’s Obligations. The respective obligation of each party to effect the contributions contemplated by this Agreement and to consummate the other transactions
contemplated hereby to occur on the Closing Date is subject to the satisfaction or waiver of the following conditions: 
 (i) Debt Issuance Proceeds. All conditions to the Debt Issuance shall have been satisfied and the initial purchasers under the purchase agreement relating to the Debt Issuance shall be prepared to
fund the Debt Issuance. This condition may not be waived by any party. 
 (ii) No Injunction. No
Governmental Authority shall have enacted, issued, promulgated, enforced or entered any statute, rule, regulation, executive order, decree, judgment, injunction or other order (whether temporary, preliminary or permanent), in any case which is in
effect and which prevents or prohibits consummation of any of the transactions contemplated in this Agreement or any of the other Formation Transactions nor shall any of the same brought by a Governmental Authority of competent jurisdiction be
pending that seeks the foregoing. 
 (iii) Formation Transactions. The Formation Transactions set forth on
Exhibit B-2 shall have been consummated not later than concurrently herewith. This condition may not be waived by any party. 
 (b) Conditions to Obligations of the Operating Partnership. The obligations of the Operating Partnership are further subject to satisfaction of the following conditions (any of which may be waived
by the Operating Partnership in whole or in part): 
 (i) Representations and Warranties. Except as would
not have a Material Adverse Effect, the representations and warranties of the Contributor contained in this Agreement shall be true and correct at and as of the Closing 

  
 4 

 
(except to the extent that any such representation or warranty speaks as of an earlier date, in which case it must be true and correct only as of such earlier date). 

(ii) Performance by the Contributor. The Contributor shall have performed in all material respects all agreements
and covenants required by this Agreement to be performed or complied with by it on or prior to the Closing Date. 

(iii) Consents, Etc. All necessary consents and approvals of Governmental Authorities or third parties (including
lenders) for the Contributor to consummate the transactions contemplated hereby (except for those the absence of which would not have a material adverse effect on the ability of the Contributor to consummate the transactions contemplated by this
Agreement) and the other Formation Transactions shall have been obtained. 
 (iv) No Material Adverse
Change. There shall not have occurred between the date hereof and the Closing Date any material adverse change in the business, financial condition, properties or results of operations of the Contributor. 

(c) Conditions to Obligations of the Contributor. The obligations of the Contributor are further subject to
satisfaction of the following conditions (any of which may be waived by the Contributor in whole or in part): 

(i) Representations and Warranties. Except as would not have a Material Adverse Effect, the representations and
warranties of the Operating Partnership contained in this Agreement shall be true and correct at and as of the Closing (except to the extent that any such representation or warranty speaks as of an earlier date, in which case it must be true and
correct only as of such earlier date). 
 (ii) Performance by the Operating Partnership. The Operating
Partnership shall have performed in all material respects all agreements and covenants required by this Agreement to be performed or complied with by it on or prior to the Closing Date. 

Section 2.02. TIME AND PLACE. Unless this Agreement shall have been terminated pursuant to Section 2.05, and subject to
satisfaction or waiver of the conditions in Section 2.01, the closing of the transfers contemplated by Sections 1.01, 1.02 and 1.03 and the other transactions contemplated hereby (the “Closing”) shall occur immediately prior to
the time the Operating Partnership receives the proceeds from the Debt Issuance on November 20, 2012 (the “Closing Date”). The Closing shall take place at the offices of Cravath, Swaine & Moore LLP, 825 Eighth Avenue,
New York, New York 10019 or such other place as mutually determined by the parties hereto. The transfers described in Sections 1.01, 1.02 and 1.03 and all closing deliveries shall be deemed concurrent for all purposes. 

Section 2.03. DELIVERY OF OP UNITS. The issuance of the OP Units to the Contributor shall be evidenced by an amendment to the
Operating Partnership Agreement in such form as shall be reasonably acceptable to the Contributor. 

  
 5 

 Section 2.04. CLOSING DELIVERIES. At the Closing, the parties shall make, execute,
acknowledge and deliver, or cause to be made, executed, acknowledged and delivered, any other documents reasonably requested by the Operating Partnership or the Contributor or reasonably necessary or desirable to assign, transfer, convey, contribute
and deliver the Contributed Assets or Assumed Liabilities, free and clear of all Liens, except for Permitted Liens, and to effectuate the transactions contemplated hereby. 
 Section 2.05. TERM OF THE AGREEMENT. This Agreement shall terminate automatically if the contributions contemplated by this Agreement shall not have been consummated on or prior to the second
Business Day following the date hereof (such date is hereinafter referred to as the “Outside Date”), unless extended in writing by the parties to this Agreement. 

Section 2.06. EFFECT OF TERMINATION. In the event of termination of this Agreement for any reason, all obligations on the part of
the Operating Partnership and the Contributor under this Agreement shall terminate, except that the obligations set forth in Article VIII shall survive; it being understood and agreed, however, for the avoidance of doubt, that if this Agreement is
terminated because one or more of the conditions to a non-breaching party’s obligations under this Agreement is not satisfied by the Outside Date as a result of the other party’s material breach of a covenant, representation, warranty or
other obligation under this Agreement, the non-breaching party’s right to pursue all legal remedies with respect to such breach will survive such termination unimpaired. 
 Section 2.07. TAX WITHHOLDING. The Operating Partnership shall be entitled to deduct and withhold, from the consideration payable pursuant to this Agreement to the Contributor, such amounts as the
Operating Partnership is required to deduct and withhold with respect to the making of such payment under the Code or any provision of state, local or foreign Tax Law. To the extent that amounts are so withheld by the Operating Partnership, such
withheld amounts shall be treated for all purposes of this Agreement as having been paid to the Contributor in respect of which such deduction and withholding was made by the Operating Partnership. 

ARTICLE III 
 REPRESENTATIONS AND WARRANTIES OF THE OPERATING PARTNERSHIP 
 The Operating
Partnership hereby represents and warrants to and covenants with the Contributor as follows: 
 Section 3.01. ORGANIZATION;
AUTHORITY. 
 (a) The Operating Partnership is a limited partnership duly organized, validly existing and in good
standing under the Law of the State of Maryland. The Operating Partnership has all requisite power and authority to enter this Agreement and each other agreement, document and instrument contemplated hereby and to carry out the transactions
contemplated hereby and thereby, and to own, lease or operate its property and to carry on its business as presently conducted and, to the extent required under 

  
 6 

 
applicable Law, is qualified to do business and is in good standing in each jurisdiction in which the nature of its business or the character of its property make such qualification necessary,
other than in such jurisdictions where the failure to be so qualified would not have a material adverse effect on the business, financial condition, properties or results of operations of the Operating Partnership and the Subsidiaries of the
Operating Partnership (the “Operating Partnership Subsidiaries” and, each individually, an “Operating Partnership Subsidiary”), taken as a whole. 

(b) Exhibit D sets forth as of the date hereof, (i) each Operating Partnership Subsidiary, (ii) the
ownership interest therein of the Operating Partnership and (iii) if not wholly owned by the Operating Partnership, the identity and ownership interest of each of the other owners of such Operating Partnership Subsidiary. Each Operating
Partnership Subsidiary has been duly organized or formed and is validly existing under the Law of its jurisdiction of organization or formation, as applicable, has all power and authority to own, lease or operate its property and to carry on its
business as presently conducted and, to the extent required under applicable Law, is qualified to do business and is in good standing in each jurisdiction in which the nature of its business or the character of its property make such qualification
necessary, except where the failure to be so qualified would not have a material adverse effect on the business, financial condition, properties or results of operations of the Operating Partnership and the Operating Partnership Subsidiaries, taken
as a whole. 
 Section 3.02. DUE AUTHORIZATION. The execution, delivery and performance of this Agreement and each other
agreement, document and instrument contemplated hereby by the Operating Partnership has been duly and validly authorized by all necessary action of the Operating Partnership. This Agreement and each agreement, document and instrument executed and
delivered by or on behalf of the Operating Partnership pursuant to this Agreement constitutes, or when executed and delivered will constitute, the legal, valid and binding obligation of the Operating Partnership, each enforceable against the
Operating Partnership in accordance with its terms, subject to applicable bankruptcy, insolvency, moratorium or other similar Law relating to creditors’ rights and general principles of equity. 

Section 3.03. CONSENTS AND APPROVALS. Except in connection with the Debt Issuance or as set forth on Schedule 3.03, no
material consent, waiver, approval or authorization of, or filing with, any Person or Governmental Authority or under any applicable Law is required to be obtained by the Operating Partnership in connection with the execution, delivery and
performance of this Agreement, the transactions contemplated hereby or the other Formation Transactions. 
 Section 3.04.
NO VIOLATION. None of the execution, delivery or performance of this Agreement, or any agreement contemplated hereby between the parties to this Agreement or the consummation of the transactions contemplated hereby or thereby (including the other
Formation Transactions) does or will, with or without the giving of notice, lapse of time, or both, violate, conflict with, result in a breach of, or constitute a default under (a) the organizational documents of the Operating Partnership,
(b) any term or provision of any judgment, order, writ, injunction, or decree binding on the Operating Partnership or (c) any other agreement to which the Operating Partnership is a party thereto. 

  
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 Section 3.05. VALIDITY OF OP UNITS. The OP Units to be issued to the Contributor
pursuant to this Agreement have been duly authorized by the Operating Partnership and, when issued against the consideration therefor, will be validly issued by the Operating Partnership, free and clear of all Liens created by the Operating
Partnership (other than Liens created by the Operating Partnership Agreement). 
 Section 3.06. LITIGATION. There is no
action, suit or proceeding pending or, to the Operating Partnership’s knowledge, threatened against the Operating Partnership or any Operating Partnership Subsidiary which, if adversely determined, would be reasonably expected to have a
material adverse effect on the business, financial condition, properties or results of operations of the Operating Partnership and the Operating Partnership Subsidiaries, taken as a whole, or which would reasonably be expected to impair the ability
of the Operating Partnership to execute or deliver, or perform its obligations under, this Agreement and each other agreement, document and instrument executed by it pursuant to this Agreement or to consummate the transactions contemplated hereby or
thereby. 
 Section 3.07. OP AGREEMENT. Attached as Exhibit E hereto is a true and complete copy of the Operating
Partnership Agreement. 
 Section 3.08. LIMITED ACTIVITIES. Except for activities in connection with the Debt Issuance or
the Formation Transactions, the Operating Partnership and the Operating Partnership Subsidiaries have not engaged in any material business or incurred any material obligations. 

Section 3.09. NO OTHER REPRESENTATIONS OR WARRANTIES. Other than the representations and warranties expressly set forth in this
Article III, the Operating Partnership shall not be deemed to have made any other representation or warranty in connection with this Agreement or the transactions contemplated hereby. 

ARTICLE IV 

REPRESENTATIONS AND WARRANTIES OF THE CONTRIBUTOR 
 The Contributor hereby represents, warrants and agrees that as of the Closing Date: 
 Section 4.01. ORGANIZATION; AUTHORITY. The Contributor is a corporation duly organized, validly existing and in good standing under the Law of the State of Delaware. The Contributor has all requisite
power and authority to enter this Agreement and each other agreement, document and instrument contemplated hereby and to carry out the transactions contemplated hereby and thereby, and to own, lease or operate its property and to carry on its
business as presently conducted and, to the extent required under applicable Law, is qualified to do business and is in good standing in each jurisdiction in which the nature of its business or the character of its property make such qualification
necessary, other than in such jurisdictions where the failure to be so qualified would not have a material adverse effect on the business, financial condition, properties or results of operations of the Contributor. 

Section 4.02. DUE AUTHORIZATION. The execution, delivery and performance of this Agreement and each other agreement, document and
instrument contemplated hereby by the 

  
 8 

 
Contributor has been duly and validly authorized by all necessary action of the Contributor. This Agreement and each agreement, document and instrument executed and delivered by or on behalf of
the Contributor pursuant to this Agreement constitutes, or when executed and delivered will constitute, the legal, valid and binding obligation of the Contributor, each enforceable against the Contributor in accordance with its terms, subject to
applicable bankruptcy, insolvency, moratorium or other similar Law relating to creditors’ rights and general principles of equity. 
 Section 4.03. OWNERSHIP OF THE OTHER CONTRIBUTED ASSETS. The Contributor is the record owner of, or otherwise has good and valid title to, the Other Contributed Assets and has the power and authority
to transfer, sell, assign and convey to the Operating Partnership such Other Contributed Assets free and clear of any Liens, except for Permitted Liens, and, upon delivery of the consideration for such Other Contributed Assets as provided herein,
the Operating Partnership will acquire good and valid title thereto, free and clear of any Liens, except for Permitted Liens and Liens created by the Operating Partnership Agreement. 

Section 4.04. OWNERSHIP OF THE PROPERTIES. 
 (a) Except as set forth on Schedule 4.04(a), the Contributor has good and marketable title in fee simple to all Properties designated as owned real property in Exhibit A hereto and has the
power and authority to transfer, sell, assign and convey to the Operating Partnership such owned real property free and clear of all Liens, except for Permitted Liens, and, upon delivery of the consideration for such owned real property as provided
herein, the Operating Partnership will acquire good and valid title thereto, free and clear of any Liens, except for Permitted Liens and Liens created by the Operating Partnership Agreement. 

(b) Except as set forth on Schedule 4.04(b), the Contributor has a valid leasehold interest in, and enjoys peaceful
and undisturbed possession (consistent with historical use) of all Properties designated as leased real property in Exhibit A hereto, and has the power and authority to transfer, sell, assign and convey to the Operating Partnership such
leased real property free and clear of all Liens, except Permitted Liens, and, upon delivery of the consideration for such leased real property as provided herein, the Operating Partnership will acquire a valid leasehold interest thereto, free and
clear of any Liens, except for Permitted Liens and Liens created by the Operating Partnership Agreement. The Contributor has not received any written notice of any material uncured default under any of the real property leases pursuant to which it
leases such Properties, and to the Contributor’s knowledge there is no material uncured default by any landlord thereunder, except in each case as would not reasonably be expected to have a Material Adverse Effect. 

Section 4.05. CONSENTS AND APPROVALS. Except as shall have been satisfied on or prior to the Closing Date, no consent, waiver,
approval or authorization of, or filing with, any Person or Governmental Authority or under any applicable Law is required to be obtained by the Contributor in connection with the execution, delivery and performance of this Agreement, each other
agreement, document and instrument contemplated hereby, the transactions contemplated 

  
 9 

 
hereby or the other Formation Transactions, except for those consents, waivers, approvals, authorizations or filings, the failure of which to obtain or to file would not have a Material Adverse
Effect. 
 Section 4.06. NO VIOLATION. None of the execution, delivery or performance of this Agreement, or any agreement
contemplated hereby between the parties to this Agreement or the consummation of the transactions contemplated hereby or thereby (including the other Formation Transactions) does or will, with or without the giving of notice, lapse of time, or both,
violate, conflict with, result in a breach of, or constitute a default under or give to others any right of termination, acceleration, cancelation or other right under, (a) the organizational documents of the Contributor, (b) any
agreement, document or instrument to which the Contributor is a party or by which the Contributor is bound or (c) any term or provision of any judgment, order, writ, injunction or decree binding on the Contributor (or its assets or properties),
except, in the case of (b) and (c) any such breaches or defaults that would not have a Material Adverse Effect. 

Section 4.07. NON-FOREIGN PERSON. The Contributor is a United States person (as defined in the Code) and is, therefore, not subject
to the provisions of the Code relating to the withholding of sales or exchange proceeds to foreign persons. 

Section 4.08. TAXES. To the Contributor’s knowledge, and except as would not have a Material Adverse Effect, (a) all Tax
Returns and reports required to be filed with respect to the Contributed Assets have been timely filed (after giving effect to any filing extension properly granted by a Governmental Authority having authority to do so) and all such returns and
reports are accurate and complete in all material respects, and all Taxes required to be paid with respect to the Contributed Assets have been paid and (b) no deficiencies for any Taxes have been proposed, asserted or assessed with respect to
the Contributed Assets, and no requests for waivers of the time to assess any such Taxes are pending. 
 Section 4.09.
SOLVENCY. The Contributor has been and will be solvent at all times prior to and for the 90-day period following the transfer of the Contributed Assets and Assumed Liabilities to the Operating Partnership. 

Section 4.10. LITIGATION. There is no action, suit or proceeding pending or, to the Contributor’s knowledge, threatened against
the Contributor which, if adversely determined, would reasonably be expected to impair the ability of the Contributor to execute or deliver, or perform its obligations under, this Agreement and each other agreement, document and instrument executed
by it pursuant to this Agreement or to consummate the transactions contemplated hereby or thereby or the other Formation Transactions. 
 Section 4.11. COMPLIANCE WITH LAWS. Except as set forth on Schedule 4.11, the Properties have been maintained, and the Contributor has not received written notice that any such Property is
not, in compliance in all material respects with all applicable laws, ordinances, rules, regulations, codes, orders and statutes (including, without limitation, those currently relating to fire safety, conservation, parking, Americans with
Disabilities Act, zoning and building laws) whether federal, state or local, except where the failure to so comply would not have a Material Adverse Effect. Compliance with Environmental Laws is not addressed by this Section 4.11, but rather
solely by Section 4.14. 

  
 10 

 Section 4.12. EMINENT DOMAIN. There is no existing or, to the Contributor’s
knowledge, proposed or threatened condemnation, eminent domain or similar proceeding, or private purchase in lieu of such a proceeding, in respect of all or any material portion of the Properties. 

Section 4.13. LICENSES AND PERMITS. Except as set forth on Schedule 4.13, to the Contributor’s knowledge, all licenses,
permits or other governmental approvals (including certificates of occupancy) required to be obtained by the owner of any Property in connection with the construction, use, occupancy, management, leasing and operation of such Properties have been
obtained and are in full force and effect and in good standing, except for those licenses, permits and other governmental approvals, the failure of which to obtain or maintain in good standing would not have a Material Adverse Effect. 

Section 4.14. ENVIRONMENTAL COMPLIANCE. Except as set forth on Schedule 4.14, the Contributor is currently in compliance with
all Environmental Laws and Environmental Permits, except where the failure to so comply would not have a Material Adverse Effect. The Contributor has not received any written notice from the United States Environmental Protection Agency or any other
federal, state, county or municipal entity or agency that regulates Hazardous Materials or public health risks or other environmental matters or any other private party or Person claiming any current violation of, or requiring current compliance
with, any Environmental Laws or Environmental Permits or demanding payment or contribution for any Release or other environmental damage in, on, under, or upon any of the Properties. No litigation in which the Contributor is a named party is pending
with respect to Hazardous Materials located in, on, under or upon any of the Properties, and, to such Contributor’s knowledge, no investigation in such respect is pending and no such litigation or investigation has been threatened in writing in
the last twelve months by any Governmental Entity or any third party. To the Contributor’s knowledge, except as set forth on Schedule 4.14, there are no environmental conditions existing at, on, under, upon or affecting the Properties
any portion thereof that would reasonably be likely to result in any claim, liability or obligation under any Environmental Laws or Environmental Permit or any claim by any third party that would have a Material Adverse Effect. 

Section 4.15. CUSTOMER LEASES. To the Contributor’s knowledge, except as set forth on Schedule 4.15, (i) all
leases, licenses, subleases, tenancies, possession agreements and occupancy agreements with tenants, subtenants or licensees related to the Properties (the “Customer Leases”) are in full force and effect, (ii) no monetary or
material non-monetary default (beyond applicable notice and cure periods) by any party exists under any such Customer Lease and (iii) no tenant under any of such Customer Leases is presently the subject of any voluntary or involuntary
bankruptcy or insolvency proceedings, except in each case as would not reasonably be expected to have a Material Adverse Effect. 
 Section 4.16. ZONING. Except as set forth on Schedule 4.16, the Contributor has not received (i) any written notice (which remains uncured) from any Governmental Authority stating that
any of the Properties is currently violating any zoning, land use or other similar rules or ordinances in any material respect, or (ii) any written notice of any pending or threatened proceedings for the rezoning (i.e., as opposed to the
current zoning) of any of the Properties or any portion thereof except, in each case as would not have a Material Adverse Effect. 

  
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 Section 4.17. INVESTMENT. The Contributor acknowledges that the offering and issuance
of the OP Units to be acquired pursuant to this Agreement are intended to be exempt from registration under the Securities Act and that the Operating Partnership’s reliance on such exemptions is predicated in part on the accuracy and
completeness of the representations and warranties of the Contributor contained herein. In furtherance thereof, the Contributor represents and warrants to the Operating Partnership as follows: 

(a) The Contributor is an “accredited investor” (as such term is defined in Rule 501(a) of Regulation D
promulgated under the Securities Act). 
 (b) The Contributor is acquiring the OP Units solely for its own
account for the purpose of investment and not as a nominee or agent for any other Person and not with a view to, or for offer or sale in connection with, any distribution of any thereof in violation of the securities Law. 

(c) The Contributor is knowledgeable, sophisticated and experienced in business and financial matters; the Contributor has
previously invested in securities similar to the OP Units and fully understands the limitations on transfer imposed by the federal securities Law. The Contributor is able to bear the economic risk of holding the OP Units for an indefinite period and
is able to afford the complete loss of its investment in the OP Units; the Contributor has received and reviewed all information and documents about or pertaining to the Operating Partnership and the business and prospects of the Operating
Partnership and the issuance of the OP Units as the Contributor deems necessary or desirable, and has been given the opportunity to obtain any additional information or documents and to ask questions and receive answers about such information and
documents, the Operating Partnership and the business and prospects of the Operating Partnership which the Contributor deems necessary or desirable to evaluate the merits and risks related to its investment in the OP Units; and the Contributor
understands and has taken cognizance of all risk factors related to the purchase of the OP Units. The Contributor is relying upon its own independent analysis and assessment (including with respect to taxes), and the advice of the Contributor’s
advisors (including tax advisors), and not upon that of the Operating Partnership or any of the Operating Partnership’s Affiliates, for purposes of evaluating, entering into, and consummating the transactions contemplated hereby. 

(d) The Contributor acknowledges that the OP Units have not been registered under the Securities Act and, therefore, may
not be sold unless registered under the Securities Act or an exemption from registration is available. 
 Section 4.18. NO
OTHER REPRESENTATIONS OR WARRANTIES. Other than the representations and warranties expressly set forth in this Article IV, the Contributor shall not be deemed to have made any other representation or warranty in connection with this Agreement or the
transactions contemplated hereby. 

  
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 ARTICLE V 
 INDEMNIFICATION 
 Section 5.01. GENERAL INDEMNIFICATION. From and
after the Closing Date, each party hereto (each of which is an “Indemnifying Party”) shall indemnify and hold harmless the other party and its Affiliates (each of which is an “Indemnified Party”) from and against
any and all charges, complaints, claims, actions, causes of action, losses, damages, liabilities and expenses of any nature whatsoever, including amounts paid in settlement, reasonable attorneys’ fees, costs of investigation, costs of
investigative judicial or administrative proceedings or appeals therefrom and costs of attachment or similar bonds (collectively, “Losses”) arising out of or relating to, asserted against, imposed upon or incurred by the Indemnified
Party in connection with or as a result of any breach of a representation, warranty or covenant of the Indemnifying Party contained in this Agreement or in any schedule, exhibit, certificate or affidavit or any other agreement, document or
instrument delivered by the Indemnifying Party pursuant to this Agreement; provided, however, that: (i) the Operating Partnership shall not have any obligation under this Article to indemnify any Indemnified Party against any
Losses to the extent that such Losses arise by virtue of (A) any diminution in value of the OP Units, (B) the Contributor’s breach of this Agreement, gross negligence, wilful misconduct or fraud or (C) CyrusOne LLC’s
operation of its business or the ownership and operation of its assets outside of the ordinary course of business prior to the Closing Date; and (ii) the Contributor shall not have any obligation under this Article to indemnify any Indemnified
Party against any Losses to the extent that such Losses arise by virtue of (A) any diminution in value of the Properties, (B) the Operating Partnership’s breach of this Agreement, gross negligence, wilful misconduct or fraud or
(C) the Operating Partnership’s operation of its business or the ownership and operation of its assets outside of the ordinary course of business prior to the Closing Date; and 

Section 5.02. NOTICE OF CLAIMS. At the time when any Indemnified Party learns of any potential claim that is subject to
indemnification pursuant to the terms of this Agreement (a “Claim”) against the Indemnifying Party it will promptly give written notice (a “Claim Notice”) to the Indemnifying Party; provided that failure to
do so shall not prevent recovery under this Agreement, except to the extent that the Indemnifying Party shall have been materially prejudiced by such failure. Each Claim Notice shall describe in reasonable detail the facts known to such Indemnified
Party giving rise to such Claim, and the amount or good faith estimate of the amount of Losses arising therefrom. Unless prohibited by Law, such Indemnified Party shall deliver to the Indemnifying Party, promptly after such Indemnified Party’s
receipt thereof, copies of all notices and documents (including court papers) received by such Indemnified Party relating to claims asserted by third parties (“Third Party Claims”). Any Indemnified Party may at its option demand
indemnity under this Article V as soon as a Claim has been threatened by a third party, regardless of whether an actual Loss has been suffered, so long as such Indemnified Party shall in good faith determine that such claim is not frivolous and that
such Indemnified Party may be liable for, or otherwise incur, a Loss as a result thereof. 
 Section 5.03. THIRD PARTY
CLAIMS. The Indemnifying Party shall be entitled, at its own expense, to assume and control the defense of any Claims based on Third Party Claims, through counsel chosen by the Indemnifying Party and reasonably acceptable to such Indemnified Party
(or any person authorized by such Indemnified Party to act on its behalf), if it 

  
 13 

 
gives written notice of its intention to do so to such Indemnified Party within 30 days of the receipt of the applicable Claim Notice; provided, however, that such Indemnified Party
may at all times participate in such defense at its expense. Without limiting the foregoing, in the event that the Indemnifying Party exercises the right to undertake any such defense against a Third Party Claim, such Indemnified Party shall
cooperate with the Indemnifying Party in such defense and make available to the Indemnifying Party (unless prohibited by Law), at the Indemnifying Party’s expense, all witnesses, pertinent records, materials and information in such Indemnified
Party’s possession or under such Indemnified Party’s control relating thereto as is reasonably required by the Indemnifying Party. No compromise or settlement of such Third Party Claim may be effected by either such Indemnified Party, on
the one hand, or the Indemnifying Party, on the other hand, without the other’s consent (which consent shall not be unreasonably withheld, conditioned or delayed) unless (i) there is no finding or admission of any violation of Law and no
effect on any other claims that may be made against such other party and (ii) each Indemnified Party that is party to such claim is released from all liability with respect to such claim. 

Section 5.04. EXPIRATION. 
 (a) Subject to the limitations set forth in this Agreement, all representations, warranties, covenants and agreements (including those relating to indemnification in Section 5.01) made herein shall
survive the Closing. 
 (b) Unless otherwise specified in this Agreement, all representations, warranties and
covenants of the Indemnifying Party contained in this Agreement shall survive until twelve months after the Closing Date (the “Expiration Date”). If written notice of a claim in accordance with the provisions of this Article V has
been given prior to the Expiration Date, then the relevant representation, warranty and covenant shall survive, but only with respect to such specific claim, until such claim has been finally resolved. Any claim for indemnification not so asserted
in writing by the Expiration Date may not thereafter be asserted and shall forever be waived. 
 Section 5.05. LIMITATIONS
ON AMOUNTS. 
 (a) Except as provided in subparagraph (b) below, the Contributor shall not have any
liability under Section 5.01 for any Losses hereunder (i) unless and until the aggregate total amount of all such Losses for which the Contributor would, but for this provision, be liable exceeds, on a cumulative basis, one percent
(1%) of the aggregate fair market value as of the Closing Date of the OP Units issued to the Contributor on the Closing Date (the “OP Value”), and then only to the extent of such excess, (ii) in excess of, on a cumulative
basis, ten percent (10%) of the fair market value as of the Closing Date of the OP Units issued to the Contributor in respect of any Property, to the extent such Losses are directly related to or arise out of such Property and (iii) in
excess of, on a cumulative basis, ten percent (10%) of the OP Value. 
 (b) The limitations in subparagraph
(a) above shall not apply to any Losses resulting from breach of Section 4.04 with respect to a specific Property unless and until such time as the Operating Partnership (or a Subsidiary of the Operating Partnership)

  
 14 

 
obtains an endorsement providing the Operating Partnership with the benefit of the existing title insurance policy held by CBI or one of its Subsidiaries with respect to such Property, if any, or
a new title insurance policy for the benefit of the Operating Partnership (or a Subsidiary of the Operating Partnership) in the same amount as the lenders’ title insurance policy required to be obtained under the CyrusOne Credit Agreement.

 Section 5.06. EXCLUSIVE REMEDY. In furtherance of the foregoing, the Indemnified Party hereby waives, as of the Closing,
to the fullest extent permitted under applicable Law, any and all rights, claims and causes of action (other than claims of, or causes of action arising from, fraud) it may have against the Indemnifying Party arising under or based upon any federal,
state, local or foreign Law, other than the right to seek indemnity pursuant to this Article V. The foregoing sentence shall not limit the Indemnified Party’s right to specific performance or injunctive relief in connection with the breach by
the Indemnifying Party of the provisions of this Agreement. 
 Section 5.07. TAX TREATMENT. All indemnity payments made
hereunder shall be treated as adjustments to the consideration paid hereunder for United States federal income tax purposes. 

ARTICLE VI 

COVENANTS AND OTHER AGREEMENTS 
 Section 6.01. COVENANTS OF THE CONTRIBUTOR. From the date hereof through the Closing, except as otherwise provided for or as contemplated by this Agreement or the other agreements, documents and
instruments contemplated hereby, the Contributor shall not: 
 (a) sell, transfer or otherwise dispose of all or
any portion of the Contributed Assets; or 
 (b) mortgage, pledge, hypothecate, encumber (or permit to become
encumbered) all or any portion of the Contributed Assets; 
 Section 6.02. COMMERCIALLY REASONABLE EFFORTS BY THE OPERATING
PARTNERSHIP AND THE CONTRIBUTOR. Each of the Operating Partnership and the Contributor shall use commercially reasonable efforts and cooperate with each other in (a) promptly determining whether any filings are required to be made or consents,
approvals, waivers, permits or authorizations are required to be obtained (under any applicable Law or regulation or from any Governmental Authority or third party) in connection with the transactions contemplated by this Agreement and the other
Formation Transactions and (b) promptly making any such filings, in furnishing information required in connection therewith and in timely seeking to obtain any such consents, approvals, waivers, permits or authorizations. 

Section 6.03. TAX AGREEMENT. The Operating Partnership shall account for any variation between the tax basis of any Contributed
Asset and its fair market value at the time of its contribution to the Operating Partnership under any method approved under Section 704(c) of 

  
 15 

 
the Code and the applicable regulations as chosen by the general partner of the Operating Partnership. 
 ARTICLE VII 
 WAIVERS AND CONSENTS 

Effective upon the Closing of the contribution of the Contributed Assets and the exchange of OP Units pursuant to Article I herein, the
Contributor waives and relinquishes all rights and benefits otherwise afforded to the Contributor under any agreement, including, any rights of appraisal or rights of first offer or first refusal, and any and all notice provisions related thereto.

 ARTICLE VIII 
 GENERAL PROVISIONS 
 Section 8.01. NOTICES. All notices and other
communications under this Agreement shall be in writing and shall be deemed given (a) when delivered personally, (b) five Business Days after being mailed by certified mail, return receipt requested and postage prepaid, (c) one
Business Day after being sent by a nationally recognized overnight courier or (d) when transmitted by facsimile or electronic mail if confirmed within 24 hours thereafter by a signed original sent in the manner provided in clause (a),
(b) or (c) to the parties at the following addresses (or at such other address for a party as shall be specified by notice from such party): 
 if to the Operating Partnership to: 
 c/o CyrusOne Inc. 

1649 West Frankford Road 
 Carrollton, Texas 75007 
 Facsimile: 713-965-0106 

Email: customerservice@cyrusone.com 
 Attention: General Counsel 
 if to the Contributor, to: 

c/o Cincinnati Bell Inc. 
 221 East Fourth Street 
 Cincinnati, Ohio 45202 

Facsimile: 513-721-7358 
 Email: christopher.wilson@cinbell.com 
 Attention: General Counsel 

Section 8.02. DEFINITIONS. For purposes of this Agreement, the following terms shall have the following meanings. 

  
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 (a) “Affiliate” means, with respect to any Person, a Person
that, directly or indirectly, through one or more intermediaries, controls, is controlled by, or is under common control with the specified Person. For the purposes of this definition, “control” (including, with correlative meanings, the
terms “controlled by” and “under common control with”) as used with respect to any Person, shall mean the possession, directly or indirectly, of the power to direct or cause the direction of the management or policies of such
Person, whether through the ownership of voting securities, by agreement or otherwise. 
 (b) “Business
Day” means any day that is not a Saturday, Sunday or legal holiday in the State of New York. 
 (c)
“Code” means the Internal Revenue Code of 1986, as amended, together with the rules and regulations promulgated or issued thereunder. 
 (d) “CyrusOne Credit Agreement” means the credit agreement by and among the Operating Partnership, as borrower, Deutsche Bank, as administrative agent, certain subsidiaries of the REIT,
as guarantors, and the financial institutions party thereto as lenders, to be entered into prior to or on the Closing Date. 
 (e) “Environmental Law” means Laws or Orders of any Governmental Authority relating to pollution or protection of the environment or natural resources (including the generation, use,
storage, management, treatment, transportation, disposal, presence, Release or threatened Release of any Hazardous Material) or occupational health and safety, such as the Clean Air Act, 42 U.S.C. Section 7401 et seq.; the Clean Water
Act, 33 U.S.C. Section 1251 et seq. and the Water Quality Act of 1987; the Federal Insecticide, Fungicide, and Rodenticide Act, 7 U.S.C. Section 136 et seq.; the Marine Protection, Research and Sanctuaries Act, 33 U.S.C.
Section 1401 et seq.; the National Environmental Policy Act, 42 U.S.C. Section 4321 et seq.; the Noise Control Act, 42 U.S.C. Section 4901 et seq.; the Occupational Safety and Health Act, 29 U.S.C.
Section 651 et seq.; the Resource Conservation and Recovery Act, 42 U.S.C. Section 6901 et seq., as amended by the Hazardous and Solid Waste Amendments of 1984; the Safe Drinking Water Act, 42 U.S.C. Section 300f et
seq.; the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”), 42 U.S.C. Section 9601 et seq., as amended by the Superfund Amendments and Reauthorization Act, the Emergency Planning and
Community Right-to- Know Act, and Radon Gas and Indoor Air Quality Research Act; the Toxic Substances Control Act, 15 U.S.C. Section 2601 et seq.; the Atomic Energy Act, 42 U.S.C. Section 2011 et seq., and the Nuclear Waste
Policy act of 1982, 42 U.S.C. Section 10101 et seq. 
 (f) “Environmental Permits”
means any and all licenses, certificates, permits, directives, requirements, registrations, government approvals, agreements, authorizations, and consents that are required under or are issued pursuant to any Environmental Laws. 

(g) “Environmental Liability” means any Liability, loss, demand, claim or cost, contingent or otherwise
(including any liability for judgments, orders, damages, costs of investigation, remediation or monitoring, medical monitoring, natural resources 

  
 17 

 
damages, fines, penalties, professional fees or settlements), and relating to, arising under or resulting from (i) any actual or alleged (x) compliance or noncompliance with any
Environmental Law or Governmental Authorization issued thereunder, (y) generation, use, storage, management, treatment, transportation, or disposal of any Hazardous Material or (z) presence, Release or threatened Release of any Hazardous
Material or (ii) any contract, Proceeding or Order pursuant to which Liability, loss, demand, claim or cost is assumed or imposed with respect to any of the foregoing. 

(h) “Fixtures and Personal Property” means all fixtures, furniture, furnishings, apparatus and fittings,
equipment, machinery, appliances, building supplies, tools, and other items of personal property used in connection with the operation or maintenance of the Properties; excluding, however, all fixtures, furniture, furnishings,
apparatus and fittings, equipment, machinery, appliances, building supplies, tools, and other items of personal property owned by tenants, subtenants, guests, invitees, employees, easement holders, service contractors and other Persons who own any
such property located on the Properties. 
 (i) “Governmental Authority” means any government or
agency, bureau, board, commission, court, department, official, political subdivision, tribunal or other instrumentality of any government, whether federal, state or local, domestic or foreign. 

(j) “Governmental Authorizations” means all licenses, permits, consents, certificates, exemptions,
registrations, waivers and other authorizations and approvals required to carry on the Business as conducted as of the date of this Agreement, under applicable Laws of any Governmental Authority. 

(k) “Hazardous Material” means any material, substance or waste defined or regulated in relevant form,
quantity or concentration as hazardous or toxic or as a pollutant or contaminant (or words of similar import) pursuant to any Environmental Law, including any petroleum, waste oil or petroleum constituents or by-products. 

(l) “Law” means laws, statutes, rules, regulations, codes, orders, ordinances, judgments, injunctions,
decrees and policies of any Governmental Authority. 
 (m) “Liabilities” means any and all
debts, liabilities and obligations, of whatever kind or nature, primary or secondary, direct or indirect, whether accrued or fixed, known or unknown, absolute or contingent, matured or unmatured or determined or determinable. 

(n) “Liens” means all pledges, claims, liens, charges, restrictions, controls, easements, rights of way,
exceptions, reservations, leases, licenses, grants, covenants and conditions, encumbrances and security interests of any kind or nature whatsoever. 
 (o) “Material Adverse Effect” means a material adverse effect on the business, financial condition, properties or results of operations of the REIT and its Subsidiaries, taken as a whole.

  
 18 

 (p) “Operating Partnership Agreement” means the Amended and
Restated Agreement of Limited Partnership of the Operating Partnership dated as of November 20, 2012. 
 (q)
“Order” means any order, writ, judgment, injunction, decree, ruling, assessment, stipulation, determination or award entered by or with any court or other Governmental Authority or arbitrator. 

(r) “Permitted Lien” means: 

(i) Liens securing Taxes, the payment of which is not delinquent or the payment of which is actively being contested in
good faith by appropriate proceedings diligently pursued; 
 (ii) Zoning laws and ordinances applicable to the
Properties that are not violated by the existing structures or present uses thereof or the transfer of the Properties; 
 (iii) Liens imposed by laws, such as carriers’, warehousemen’s and mechanics’ liens, and other similar liens arising in the ordinary course of business that secure payment of obligations
arising in the ordinary course of business not more than 60 days past due or which are being contested in good faith by appropriate proceedings diligently pursued; 

(iv) non-exclusive easements for public utilities and other operational purposes that do not materially interfere with the
current use of the Properties; and 
 (v) any other liens that do not materially interfere with the current use
or operation of the Properties. 
 (s) “Person” means an individual, corporation, partnership,
limited liability company, joint venture, association, trust, unincorporated organization or other entity. 
 (t)
“Proceeding” means any action, arbitration, audit, claim, hearing, investigation, litigation or suit (whether civil, commercial, administrative, criminal, investigative or informal) commenced, brought, conducted or heard by or
before, or otherwise involving any Governmental Authority or arbitrator. 
 (u) “Release” means
any release, spill, emission, leaking, dumping, injection, pouring, pumping, placing, discarding, abandoning, deposit, disposal, discharge, dispersal, leaching or migration into or through the environment (including ambient air, surface water,
groundwater, land surface or subsurface strata). 
 (v) “Securities Act” means the Securities
Act of 1933, as amended, and the rules and regulations promulgated thereunder. 

  
 19 

 (w) “Service Contracts” means the service, equipment,
franchise, operating, management, parking, supply, utility and maintenance agreements relating to any Property. 

(x) “Subsidiary” of any Person means any corporation, partnership, limited liability company, joint
venture, trust or other legal entity of which such Person owns (either directly or through or together with another Subsidiary of such Person) either (i) a general partner, managing member or other similar interest or (ii) (A) 10% or
more of the voting power of the voting capital stock or other equity interests or (B) 10% or more of the outstanding voting capital stock or other voting equity interests of such corporation, partnership, limited liability company, joint
venture, trust or other legal entity. 
 (y) “Tax” means all federal, state, local and foreign
income, property, withholding, sales, franchise, employment, excise and other taxes, tariffs or governmental charges of any nature whatsoever, including estimated taxes, together with penalties, interest or additions to Tax with respect thereto.

 (z) “Tax Return” means any return, declaration, report, claim for refund, or information
return or statement related to Taxes, including any schedule or attachment thereto, and including any amendment thereof. 

Section 8.03. COUNTERPARTS. This Agreement may be executed in counterparts, all of which shall be considered one and the same
agreement and shall become effective when one or more counterparts have been signed by each party and delivered to each other party. 
 Section 8.04. ENTIRE AGREEMENT; THIRD-PARTY BENEFICIARIES. This Agreement, including the exhibits and schedules hereto constitute the entire agreement and supersede each prior agreement and
understanding, whether written or oral, among the parties regarding the subject matter of this Agreement. This Agreement is not intended to confer any rights or remedies on any Person other than the parties hereto. 

Section 8.05. GOVERNING LAW. This Agreement shall be governed by, and construed in accordance with, the Law of the State of New
York, regardless of any Law that might otherwise govern under applicable principles of conflicts of laws thereof. 

Section 8.06. ASSIGNMENT. This Agreement shall be binding upon, and shall be enforceable by and inure to the benefit of, the parties
hereto and their respective heirs, legal representatives, successors and assigns; provided, however, that this Agreement may not be assigned (except by operation of Law) by any party without the prior written consent of the other
party, and any attempted assignment without such consent shall be null and void and of no force and effect, except that each of the Operating Partnership and the Contributor may assign its rights and obligations hereunder to an Affiliate.

 Section 8.07. JURISDICTION. Each of the parties hereto irrevocably and unconditionally submits to the exclusive
jurisdiction of (a) any New York State court sitting in the County of New York and (b) the United States District Court for the Southern District of New York, for the purposes of any action, suit or proceeding arising out of this Agreement
or any transaction contemplated hereby (and each agrees that no such action, suit or proceeding 

  
 20 

 
relating to this Agreement shall be brought by it or any of its Affiliates except in such courts). Each of the parties hereto further agrees that, to the fullest extent permitted by applicable
Law, service of any process, summons, notice or document by U.S. registered mail to such person’s respective address set forth in Section 8.01 shall be effective service of process for any action, suit or proceeding in New York with
respect to any matters to which it has submitted to jurisdiction as set forth above in the immediately preceding sentence. Nothing in this Agreement will affect the right of any party to this Agreement to serve process in any other manner permitted
by applicable Law. Each of the parties hereto irrevocably and unconditionally waives (and agrees not to plead or claim) any objection to the laying of venue of any action, suit or proceeding arising out of this Agreement or the transactions
contemplated hereby in (i) any New York State court sitting in the County of New York or (ii) the United States District Court for the Southern District of New York, or that any such action, suit or proceeding brought in any such court has
been brought in an inconvenient forum. 
 Section 8.08. SEVERABILITY. Each provision of this Agreement will be interpreted
so as to be effective and valid under applicable Law, but if any provision is held invalid, illegal or unenforceable under applicable Law in any jurisdiction, then such invalidity, illegality or unenforceability will not affect any other provision,
and this Agreement will be reformed, construed and enforced in such jurisdiction as if such invalid, illegal or unenforceable provision had never been included herein. 
 Section 8.09. RULES OF CONSTRUCTION. 
 (a) The parties hereto
agree that they have been represented by counsel during the negotiation, preparation and execution of this Agreement and, therefore, waive the application of any Law, regulation, holding or rule of construction providing that ambiguities in an
agreement or other document will be construed against the party drafting such agreement or document. 
 (b) The
words “hereof,” “herein” and “herewith” and words of similar import shall, unless otherwise stated, be construed to refer to this Agreement as a whole and not to any particular provision of this Agreement, and article,
section, paragraph, exhibit and schedule references are to the articles, sections, paragraphs, exhibits and schedules of this Agreement unless otherwise specified. Whenever the words “include,” “includes” or “including”
are used in this Agreement, they shall be deemed to be followed by the words “without limitation.” All terms defined in this Agreement shall have the defined meanings contained herein when used in agreement, document or instrument made or
delivered pursuant hereto unless otherwise defined therein. The definitions contained in this Agreement are applicable to the singular as well as the plural forms of such terms and to the masculine as well as to the feminine and neuter genders of
such terms. Unless explicitly stated otherwise herein, any agreement, document, instrument or statute defined or referred to herein or in any agreement, document or instrument that is referred to herein means such agreement, document, instrument or
statute as from time to time, amended, qualified or supplemented, including (in the case of agreements, documents and instruments) by waiver or consent and (in the case of statutes) by succession of comparable successor statutes and all attachments
thereto and instruments incorporated therein. References to a Person are also to its permitted successors and assigns. 

  
 21 

 Section 8.10. EQUITABLE REMEDIES. The parties agree that irreparable damage would occur
in the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that each party shall be entitled to an injunction or injunctions to prevent
breaches of this Agreement by the other party hereto and to enforce specifically the terms and provisions hereof in any federal or state court located in New York, this being in addition to any other remedy to which the parties are entitled under
this Agreement or otherwise at law or in equity. 
 Section 8.11. DESCRIPTIVE HEADINGS. The descriptive headings herein are
inserted for convenience only and are not intended to be part of or to affect the meaning or interpretation of this Agreement. 

Section 8.12. NO PERSONAL LIABILITY CONFERRED. This Agreement shall not create or permit any personal liability or obligation on the
part of any officer, director, partner, employee or shareholder of the Operating Partnership or the Contributor. 

Section 8.13. AMENDMENT; WAIVER. Any amendment hereto shall be in writing and signed by all parties hereto. No waiver of any of the
provisions of this Agreement shall be valid unless in writing and signed by the party against whom enforcement is sought. 

[remainder of page intentionally left blank; signature page follows] 

  
 22 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be signed by their
respective duly authorized officers or representatives, all as of the date first written above. 
  

			
	CYRUSONE LP
		
	By:	 	CyrusOne GP
		 	Sole General Partner
		
	By:	 	CyrusOne Inc.
		 	Sole Trustee of CyrusOne GP
		
	By:	 	 /s/ Kimberly H. Sheehy

	Name:	 	Kimberly H. Sheehy
	Title:	 	Chief Financial Officer and Administrative Officer
	
	 CONTRIBUTOR
  

DATA CENTERS SOUTH INC.

		
	By:	 	 /s/ Christopher J. Wilson

	Name:	 	Christopher J. Wilson
	Title:	 	Vice President, General Counsel and Secretary

 EXHIBITS 
 Exhibit A: Properties 
 Exhibit B: Formation
Transactions 
 Exhibit C: Other Contributed Assets 
 Exhibit D: Operating Partnership Subsidiaries 
 Exhibit E:
Operating Partnership Agreement 

 EXHIBIT A 
 PROPERTIES 
 Owned Real Property 

 

					
	 Common Name and Address
	  	 City
	  	 State & Zip Code

	Monroe St. Data Center – 316 East Monroe Street	  	South Bend	  	Indiana 46601
	Galleria Data Center – 4201 Southwest Freeway	  	Houston	  	Texas 77027
	Galleria Data Center – 4211 Southwest Freeway	  	Houston	  	Texas 77027
	San Antonio Data Center – 9999 Westover Hills Boulevard	  	San Antonio	  	Texas 78251
	Houston West I Data Center – 5150 Westway Park Boulevard	  	Houston	  	Texas 77041
	Houston West II Data Center – 5150 Westway Park Boulevard	  	Houston	  	Texas 77041
	Phoenix Continuum Data Center – 2335 South Ellis Street	  	Chandler	  	Arizona 85286
	Ellis Gateway Data Center – South Ellis Street	  	Chandler	  	Arizona 85286
	Carrollton Data Center – 1649 Frankford Road	  	Carrollton	  	Texas 75007

 Leased Real Property 
  

									
	 Common Name and Address
	  	 City
	  	 State & Zip Code
	  	 Landlord/Owner
	  	 Name of Lease

	Bryan Street Data Center – 2323 Bryan Street	  	Dallas	  	Texas 75201	  	Digital – Bryan Street Partnership, L.P.	  	Master Terms and Conditions dated 7/1/2011 between Telx Entities and Cyrus Networks, LLC, and Office Lease dated 10/6/2011 between Digital – Bryan Street Partnership, L.P. and
Cyrus Networks, LLC, as amended
	Lewisville Data Center – 2501 South State Highway 121	  	Lewisville	  	Texas 75067	  	Digital Lewisville, LLC	  	Lease Agreement dated 2/19/2008 between BREOF Convergence LP and Cyrus Networks, LLC, as amended

									
	Met Center I Data Center – 7401 East Ben White Boulevard	  	Austin	  	Texas 78741	  	NNN Met Center 4-9 LP	  	Lease Agreement dated March 2009 between NNN Met Center 4-9 LP and Cyrus Networks LLC, as amended
	Met Center II Data Center – 7101 Metropolis Drive	  	Austin	  	Texas 78741	  	MET CENTER PARTNERS-9, LTD. By Met Center3, Inc.	  	Lease Agreement dated 2/28/2011 between Met Centers Partners-9, LTD. and Cyrus Networks, LLC, as amended
	Galleria Data Center – 4201 Southwest Freeway (land only)	  	Houston	  	Texas 77027	  	Tamborella Real Estate Trust I	  	Lease Agreement dated 11/1/1966 between Bertha Jewell Tamborella and Lynne Tamborella, and Albert H. Herzstein, as amended
	Marsh Lane Data Center – 2440 Marsh Lane	  	Carrollton	  	Texas 75006	  	Horizon Data Center Solutions, LLC	  	Master Service Agreement dated 7/15/2008 between Horizon Data Center Solutions, LLC and Cyrus Networks, LLC, as amended
	Midway Data Center – 4025 Midway Road	  	Carrollton	  	Texas 75093	  	Digital Midway, L.P.	  	Master Service Agreement dated 7/15/2008 between Horizon Data Center Solutions LLC and Cyrus Networks, LLC, and Office Lease dated March 11, 2011 between Digital Midway, L.P. and
Cyrus Networks, LLC, as amended
	Greenspoint Data Center – 12085 North Freeway	  	Houston	  	Texas 77060	  	WXIII/HOU Yale Real Estate Limited Partnership	  	Sublease Agreement dated 12/21/2004 between US Oncology Corporate, Inc. and Cyrus Networks, LLC, as amended
	Lombard Data Center – 1850 Springer Street	  	Lombard	  	Illinois 60148	  	Chicago Title Land Trust Company	  	Lease dated 9/28/2007 between Chicago Title Land Trust Company and GramTel Midwest, Inc. as amended
	Blackthorn Data Center – 3919 Crescent Circle	  	South Bend	  	Indiana 46628	  	Crescent Michiana Properties III, LLC	  	Facility Lease dated 3/6/2008 between Crescent Michiana Properties III, LLC and GramTel, Inc., as amended

 EXHIBIT B-1 
 FORMATION TRANSACTIONS 
  

	1.	Data Centers South Inc. (“Data Centers South”) is formed as a Delaware corporation. 

 

	2.	Data Center Investments Inc. (“Data Center Investments”) is formed as a Delaware corporation. 

 

	3.	Data Centers South Holdings LLC (“DCS Holdco”) is formed as a Delaware limited liability company. 

 

	4.	Data Center Investments Holdco LLC (“DCI Holdco”) is formed as a Delaware limited liability company. 

 

	5.	GramTel Inc., a Virginia corporation, merges with and into CyrusOne Inc., a Delaware corporation (“CyrusOne Inc.”), with CyrusOne Inc. surviving.

  

	6.	Cincinnati Bell Technology Solutions Inc., a Delaware corporation (“CBTS”), transfers its long haul fiber network assets and data center asset and
assigns its interests in leases associated with its data center business to CyrusOne Inc. in exchange for the constructive issuance of CyrusOne Inc. shares and CyrusOne Inc.’s assumption of liabilities related to such assets and leases.

  

	7.	Cincinnati Bell Telephone Company LLC, an Ohio limited liability company (“CBT”), sells its data center building located at 229 West Seventh Street to
CyrusOne Inc. for $18 million payable in the form of a promissory note from CyrusOne Inc. to CBT. 

  

	8.	CBTS contributes the stock of CyrusOne Inc. to Data Center Investments in exchange for the stock of Data Center Investments. 

 

	9.	CyrusOne Inc. converts to CyrusOne LLC, a limited liability company (“CyrusOne LLC”), pursuant to Delaware law. 

 

	10.	CyrusOne LLC transfers its high-basis assets to Data Centers South in exchange for the transfer of Data Centers South stock to CyrusOne LLC and the assumption of
certain liabilities of CyrusOne LLC (including a portion of the intercompany debt owed by CyrusOne LLC to CBTS and all of the intercompany debt owed by CyrusOne LLC to Cincinnati Bell Inc., an Ohio corporation (“CBI”)).

  

	11.	Data Center Investments assumes remaining portion of intercompany debt owed by CyrusOne LLC to CBTS. 

 

	12.	CyrusOne LLC distributes the stock of Data Centers South to Data Center Investments. 

	13.	Data Center Investments transfers interests in CyrusOne LLC to CyrusOne LP, a Maryland limited partnership (“CyrusOne LP”), in exchange for CyrusOne LP
limited partnership interests. 

  

	14.	Data Centers South transfers its high-basis assets to CyrusOne LP in exchange for CyrusOne LP limited partnership interests and CyrusOne LP’s assumption of Data
Center Investment’s liabilities. 

  

	15.	CyrusOne LP transfers its high-basis assets to CyrusOne LLC. 

  

	16.	Data Center Investments transfers its limited partnership interests in CyrusOne LP to DCI Holdco. 

 

	17.	Data Centers South transfers its limited partnership interests in CyrusOne LP to DCS Holdco. 

 

	18.	CBI, CBTS, CBT, CyrusOne LLC and CyrusOne LP enter into intercompany agreements. 

 EXHIBIT B-2 
 FORMATION TRANSACTIONS 
  

	1.	Data Centers South Inc. (“Data Centers South”) is formed as a Delaware corporation. 

 

	2.	Data Center Investments Inc. (“Data Center Investments”) is formed as a Delaware corporation. 

 

	3.	Data Centers South Holdings LLC (“DCS Holdco”) is formed as a Delaware limited liability company. 

 

	4.	Data Center Investments Holdco LLC (“DCI Holdco”) is formed as a Delaware limited liability company. 

 

	5.	GramTel Inc., a Virginia corporation, merges with and into CyrusOne Inc., a Delaware corporation (“CyrusOne Inc.”), with CyrusOne Inc. surviving.

  

	6.	Cincinnati Bell Technology Solutions Inc., a Delaware corporation (“CBTS”), transfers its long haul fiber network assets and data center asset and
assigns its interests in leases associated with its data center business to CyrusOne Inc. in exchange for the constructive issuance of CyrusOne Inc. shares and CyrusOne Inc.’s assumption of liabilities related to such assets and leases.

  

	7.	Cincinnati Bell Telephone Company LLC, an Ohio limited liability company (“CBT”), sells its data center building located at 229 West Seventh Street to
CyrusOne Inc. for $18 million payable in the form of a promissory note from CyrusOne Inc. to CBT. 

  

	8.	CBTS contributes the stock of CyrusOne Inc. to Data Center Investments in exchange for the stock of Data Center Investments. 

 

	9.	CyrusOne Inc. converts to CyrusOne LLC, a limited liability company (“CyrusOne LLC”), pursuant to Delaware law. 

 

	10.	CyrusOne LLC transfers its high-basis assets to Data Centers South in exchange for the transfer of Data Centers South stock to CyrusOne LLC and the assumption of
certain liabilities of CyrusOne LLC (including a portion of the intercompany debt owed by CyrusOne LLC to CBTS and all of the intercompany debt owed by CyrusOne LLC to Cincinnati Bell Inc., an Ohio corporation (“CBI”)).

  

	11.	Data Center Investments assumes remaining portion of intercompany debt owed by CyrusOne LLC to CBTS. 

 

	12.	CyrusOne LLC distributes the stock of Data Centers South to Data Center Investments. 

	13.	Data Center Investments transfers interests in CyrusOne LLC to CyrusOne LP, a Maryland limited partnership (“CyrusOne LP”), in exchange for CyrusOne LP
limited partnership interests. 

 EXHIBIT C-1 
 ASSETS 
  

	1.	All accounts receivable, prepaid expenses, deferred transaction costs, and other current assets of the Contributor which are associated with the Properties.

  

	2.	All assets associated with that certain Texas long-haul fiber route from Houston to Austin to San Antonio, including, but not limited to (i) seven (7) empty
conduits, (ii) rights to those certain 68 fibers granted pursuant to that certain Dark Fiber IRU Agreement dated February 5, 2004 by and between Broadwing Communications LLC and BCSI Inc. and (iii) all rights and interests related
thereto. 

  

	3.	All construction in process and construction escrows related to the Properties. 

 

	4.	All transferrable licenses, permits, consents, certificates, exemptions, registrations, waivers and other authorizations and approvals held to operate the Properties.

  

	5.	All deferred sales commissions, deferred expenses, deferred installation costs, unbilled revenue and deposits associated with the Properties. 

 EXHIBIT C-2 
 ASSUMED AGREEMENTS 
  

	1.	All CyrusOne LLC (or CyrusOne LLC subsidiary) leases, licenses, subleases, tenancies, possession agreement or occupancy agreements with respect to the leased Properties
identified on Exhibit A. 

  

	2.	All tenant leases, licenses, subleases, tenancies, possession agreement or occupancy agreements with respect to the owned and leased Properties.

  

	3.	All service, equipment, franchise, operating, management, parking, supply, utility and maintenance agreements relating to any Property. 

 

	4.	All other agreements to which CyrusOne LLC is a party relating to the owned and leased Properties. 

 EXHIBIT D 
 OPERATING PARTNERSHIP SUBSIDIARIES 
  

	1.	CyrusOne Finance Corp. – 100% 

 EXHIBIT E 
 OPERATING PARTNERSHIP AGREEMENT 

 Schedule 3.03 

Consents and Approvals 
 None 

 Schedule 4.04(a) 

Ownership of the Properties – owned real property 
 None 

 Schedule 4.04(b) 

Ownership of the Properties – leased real property 
 None 

 Schedule 4.11 

Compliance with Laws 
 None 

 Schedule 4.13 

Licenses and Permits 
 None 

 Schedule 4.14 

Environmental Compliance 
 None 

 Schedule 4.15 

Material Customer Leases 
 None 

 Schedule 4.16 

Zoning 

None

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