Document:

EX-10.51

 Exhibit 10.51 
 INTERNATIONAL LONG-TERM ASSIGNMENT LETTER 
 Date: May 20, 2013 

Employee: Eric Schwartz 
 Dear
Eric, 
 Pursuant to our recent discussions, I would now like to confirm your forthcoming assignment in Amsterdam, The Netherlands. The detailed
provisions of your compensation and benefits package are governed by Equinix’s International Long-Term Assignment and Relocation Policy, which have been discussed with you. The purpose of this letter is to specify the details relating to your
assignment. This letter should be read in conjunction with the International Long-Term Assignment and Relocation Policy. In the event of any conflict between the terms of this letter and such International Long-Term Assignment and Relocation Policy,
the terms of this letter shall apply. This offer is contingent upon your ability and/or the company’s to secure all necessary visas, work permits, and other mandated host-country requirements. 

We anticipate your assignment will begin July 1, 2013 and will last 3 years, with a return date of June 30, 2016. This time
frame may be adjusted, if necessary, in accordance with your and Equinix needs. 
 As an employee of Equinix (the “Company”), your
position will be that of President, EMEA, reporting to Steve Smith. 
 Compensation and Benefits: 

Your compensation and benefits package is designed to provide you with a level of income and benefits that fairly compensate you during
your international assignment. To this end, we have taken into consideration the additional costs that you may reasonably anticipate as a result of living abroad. 
 Compensation 
 You will be an employee of Equinix (EMEA) B.V., paid on the
Netherlands payroll under a contract of employment with Equinix (EMEA) B.V., Luttenbergweg 4, 1101 EC, Amsterdam Zuidoost, The Netherlands. Your annual base salary for this assignment will be $363,000 USD or €279,231 Euro. Salary actions,
including timing and amounts of increases, will be consistent with the salary program in effect for the Company’s executive officers. Typically, while you are on assignment, your bonus eligibility will not change. 

Benefits 
 Life
insurance, business travel accident insurance, retirement plans and disability coverage will be provided under the Netherlands benefits programs, while healthcare coverage will continue to be provided by the United States under a global medical plan
while on assignment. Any vacation/holiday balance you have accrued in the United States will be paid at the beginning of your new assignment, as you will no longer be on the United States payroll and benefits. While you are in the Netherlands, you
accrue vacation/holiday according to the Netherlands schedule. Working hours, public holidays, and sick leave will follow policies in effect for the Netherlands. 

  
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 Tax Assistance: 
 You will be responsible for complying with any and all applicable income tax regulations in the Netherlands and in any other countries where you are required to pay taxes. During this assignment, Equinix
will pay for you to receive tax assistance from Deloitte. A representative from Deloitte will contact you prior to your departure for this assignment to arrange a meeting to discuss the impact of foreign earnings on personal income and related
government and social security taxes. This meeting must take place before your final relocation travel can be authorized. 

Upon your arrival in the Netherlands a representative from Deloitte will contact you to arrange a meeting to discuss the requirements for
tax compliance in the US, UK and the Netherlands. It is critical that these meetings occur in order to ensure that you will receive coverage under Equinix’s Tax Equalization Policy. 

As a part of Equinix’s Tax Equalization Program, Equinix has designed the policy so you should not pay any more or less income taxes
than you would have paid were you to remain working in your home country. Please review the attached copy of Equinix Tax Equalization Policy for further details. 
 Assignment Allowances and Reimbursements: 
 You will be entitled to the
following allowances or reimbursements to cover additional costs incurred as a result of your international assignment. 

Ÿ
COLA - This allowance of €1918.21 Euro per month will be reviewed periodically and may increase or decrease depending on factors current at the time of review. 
 Ÿ Direct Paid Housing or Housing Allowance - Reimbursement up to a
maximum of €13,500 Euro per month. 

Ÿ
 Utilities Allowance - Reimbursement up to a maximum of €500 Euro per month. 
 Ÿ Mail Forwarding – Equinix will reimburse the cost of forwarding personal mail to the host country. 

Ÿ
Home Trips - Equinix will provide 2 annual Home Leave trips per year for each of your family members. Airfare, car rental and hotel will be reimbursed. 
 Ÿ Automobile Assistance - If applicable, an automobile allowance
will be provided in the host location. 
 Ÿ Dependent Schooling - Equinix will reimburse the costs for schooling per the Long Term Assignment and Relocation Policy of the employee’s dependents at the International School of Amsterdam.

 Ÿ Storage of Household Goods - Equinix will cover expenses for packing of all household items which the employee wishes to store in the US and UK, and delivery to the selected mover’s
warehouse and back to the employee’s residence at the end of the international assignment. All items stored will be insured at full replacement value under the contract with the moving company. If it becomes necessary to access items that are
stored during the assignment (e.g., during home visits), it will be at the employee’s arrangement and expense. 
 Ÿ Transportation of (UK) Household Goods – Equinix will provide complete moving services, including packing, loading,
shipping, and insurance of household goods to the host country and to a secondary location in the UK, if necessary. 

  
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 Please notify Gina Glover, your Relocation Specialist, of any changes in family size within
30 days while you are on assignment, as these changes may affect the structuring of your allowances. 
 Relocation: 

To defray a portion of the expenses associated with your move to the Netherlands, Equinix will pay you a one-time, lump-sum resettlement
allowance equivalent to one month of your base salary, net of taxes, up to a maximum of $10,000 USD or €7,631.00 Euro, to be paid in 2013. 
 To assist you with specific, one-time costs associated with your relocation, Equinix will reimburse you the cost you incur to secure or renew passports. The cost to obtain visas for you and your family
will be paid directly by the Company to Equinix’s Immigration provider. 
 Equinix will arrange and pay for the movement of
your household goods from the UK to the Netherlands. Weight limits will be based on Equinix policy. Equinix will pay for up to 30 days of rental housing for you and your family upon your arrival if necessary, and up to 30 days temporary housing, if
applicable. 
 Repatriation: 
 At the end of this assignment in the Netherlands Equinix will arrange and pay for the movement of your household goods to your home country, or to the location of your next Equinix assignment, if any. The
limits, as applicable upon transfer to your host location, will be based on Equinix policy. Equinix will pay for up to 30 days of rental housing for you and your family upon your return, if necessary, and up to 30 days temporary housing, if
applicable. 
 General: 
 Equinix personnel policies and standards of business apply to your assignment, unless a Company representative, who is authorized to make exceptions, provides a written exception. These policies may be
changed from time to time as legal requirements may dictate, new practices may require, or for other reasons at the discretion of the Company. 
 It is Equinix’s intention that every effort will be made to assist you in finding a job upon your repatriation. While this does not constitute a job guarantee, it is clearly in Equinix’s
interest to utilize your skills and experience after your assignment. 
 This assignment permits you the opportunity to gain
valuable global business experience, as well as to perform important work for the Company. If you are in agreement with the conditions of your assignment as outlined in this letter and in the attached policies, please sign and return a copy of this
letter to Anita Kriek, akriek@equinix.com. Another copy should be retained for your records. 
 Nothing herein is intended to
create an employment contract or a promise of employment for a fixed term or for an indefinite term with Equinix, Inc. 
 For
our part, we are delighted that you have agreed to undertake this assignment. We wish you every success in your professional capacity and hope that you will enjoy a rewarding experience living and working in the Netherlands. 

Regards, 
  

	
	/s/ Steve Smith
	
	 
	Name: Steve Smith
	Title:  CEO, Equinix, Inc.

  
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 By accepting this assignment, you grant to Equinix management and HR, wherever they may be
located, to utilize and process your personal information for purposes related to your employment at Equinix. This may include transfer of our personnel records outside of your home country. All personnel records are considered confidential and
access will be limited and restricted to individuals who need to know or who will process that information. Equinix will share your personnel records as needed with third parties assisting in the administration of your international assignment.

 I have read and I fully understand and accept the terms and conditions of the assignment as outlined in this letter and the
attached copy of Equinix’s International Long-Term Assignment Policy, which will be subject to periodic review. 
  

							
		 	    /s/ Eric Schwartz    	 		 	    21/5/13
	Signed	 	 	 	 Date
	 	 
		 		 		 	

  

			
	 Distribution:
	 	 Signed Original to: Anita Kriek

	 Copies To:
	 	 Eric Schwartz

		 	 Plus Relocation

		 	 Deloitte

  

			
	 Attachments:
	    	Tax Equalization Agreement
		    	Equinix’s Long Term International Assignment and Relocation Policy

  
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 INTERNATIONAL ASSIGNMENT TAX EQUALIZATION POLICY AGREEMENT 

I acknowledge having read the attached Tax Equalization Policy (the “Policy”) of Equinix (“Equinix”) and understand
the personal impact of the Policy. Any questions concerning this Policy with Equinix have been fully explained to my satisfaction. I accept that all interpretations under this agreement shall be controlled by the Policy of Equinix, which is included
as part of this agreement. 
 Equinix shall have the right and privilege at any time it deems necessary and proper to amend,
add, or delete provisions to and from this Policy without prior notice. 
 I understand and agree that all tax positions
affecting income, deductions and credits outside the scope of the Policy (i.e., amounts not covered by the Policy) are the responsibility of the employee. Equinix is not liable for any taxes, penalties, or interest resulting from a successful
challenge by any tax authority of any item not covered by the Policy. 
 In addition, I understand the employee is fully
responsible for all penalties and interest charges assessed by any tax authority due to the employee’s failure to (1) provide information to Deloitte on a timely basis, (2) notify Deloitte of any significant personal income or
investment transactions, or (3) cooperate with Equinix with respect to the tax equalization process. 
 I understand and
agree that Equinix will reduce my compensation by an estimated hypothetical tax. The estimated hypothetical tax is an amount which approximates my periodic estimated tax deductions calculated with reference to compensation, benefits, deductions and
credits otherwise available to me had I remained in my home-country, except as otherwise provided in this Policy. In return, Equinix will advance wages that I have not yet earned to assist with the payment of my actual home and host-country tax
liabilities within the limits prescribed by the Policy. Additionally, I agree to have the highest marginal tax rate, as indicated in the US equalization policy, withheld on all Restricted Stock Unit income while on assignment. 

I understand that these wage advances provided by Equinix for payment of taxes constitutes an obligation by me to Equinix, which will be
reconciled with the final liabilities that are Equinix responsibility through the annual tax equalization settlement calculation. After completion of the tax equalization settlement statement for each taxable year, I agree to repay any obligation
for each taxable year within thirty (30) days. If I fail to repay any obligation to Equinix within thirty (30) days after completion of the tax equalization settlement statement, then, unless Equinix and I have agreed otherwise in writing,
Equinix shall have the right to: 
 a) Reduce any foreign assignment allowances or
reimbursements due to me, and/or 
 b) Reduce future amounts paid to me whether as wages,
salary or other compensation for services performed in light of my having received wage advances that I have not yet earned. 

The total obligation will become immediately due and payable if my employment with Equinix or any of its affiliate corporations is
terminated, whether voluntarily or involuntarily. 
 If I fail to furnish tax records in response to a request by Equinix
pursuant to the Policy, or cease employment with Equinix or any of its subsidiaries for any reason before the tax records needed to complete the year-end tax equalization settlement statement under the Policy are available, then Equinix shall have
the right to calculate such amounts by making reasonable assumptions of probable taxes. If an amount is owed to Equinix, Equinix shall also have the right to require immediate payment of such amount, including the right to reduce future amounts paid
to me whether as wages, salary or other compensation for services performed in light of my having received wage advances that I have not yet earned, unless Equinix and I have agreed otherwise in writing. 

  
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 By signing, I accept all terms and conditions of this Tax Equalization Policy Agreement.
Acknowledgment and acceptance: 
 Employee Name: Eric Schwartz 
 /s/ Eric Schwartz 

	
	
	 

 Distribution: Signed Original to: Anita Kriek 

  
 Page 6 of 6EX-10.52

 Exhibit 10.52 
 Execution Version 
 FOURTH AMENDMENT, CONSENT, 

LIMITED RELEASE AND SUBSTITUTION AGREEMENT 
 This FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT, dated as of May 31, 2013 (this “Amendment”), is entered into by and among EQUINIX, INC., a
Delaware corporation (“Equinix” or the “Borrower”), the Required Lenders, the L/C Issuer and BANK OF AMERICA, N.A., as Administrative Agent. Capitalized terms not otherwise defined herein which are defined in
the Credit Agreement referred to below shall have the same respective meanings herein as therein. 

WHEREAS, the Borrower, the Guarantors, the Lenders, the L/C Issuer and the Administrative Agent are parties to
that certain Credit Agreement, dated as of June 28, 2012 (as amended or otherwise modified and in effect from time to time, the “Credit Agreement”), pursuant to which the Lenders have agreed to make Loans and participate in
Letters of Credit issued by the L/C Issuer, all upon the terms and subject to the conditions set forth therein; 

WHEREAS, the Borrower and NY 3, LLC, a Delaware limited liability company and direct wholly-owned Subsidiary of
the Borrower (“NY 3”), recently formed EQIX (Global Holdings) C.V., a Dutch limited partnership (the “Dutch C.V.”), such that, as of the date hereof, (a) the Borrower is the sole limited partner thereof and
owns 99.5% of its Equity Interests, and (b) NY 3 is the sole general partner thereof and owns 0.5% of its Equity Interests; 
 WHEREAS, the Borrower has notified the Administrative Agent that the Borrower proposes to effect an internal corporate restructuring whereby the Borrower will contribute 100% of the Equity
Interests of Equinix (Luxembourg) Holdings S.à r.l., a Luxembourg limited liability company (société à responsabilité limitée) (“Lux HoldCo”) to the Dutch C.V. (the “Specified
Restructuring”); 
 WHEREAS, the Borrower has requested that the Required Lenders consent to the
Specified Restructuring under the Loan Documents and that the Administrative Agent release its Lien on the Equity Interests of Lux HoldCo prior to, or concurrently with, the completion of such Specified Restructuring; 

WHEREAS, in consideration for such consent and release by the Required Lenders and the Administrative Agent, the
Borrower and NY 3 will pledge approximately (but no more than) 66% of the Equity Interests of the Dutch C.V. in favor of the Administrative Agent as collateral security for the Secured Obligations; 

WHEREAS, in connection with the Specified Restructuring and the above-referenced pledge of the Equity Interests of
the Dutch C.V., the Borrower, the Required Lenders, the L/C Issuer and the Administrative Agent wish to amend certain provisions of each of the Credit Agreement and the Pledge and Security Agreement, in each case, as specifically set forth in this
Amendment and on the terms and conditions set forth herein; 

 NOW, THEREFORE, in consideration of the premises and the mutual
agreements contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows: 

§1.        Amendments to the Credit Agreement. Subject to
Section 4 below, and in reliance on the representations and warranties of the Loan Parties set forth herein, pursuant to Section 10.01 of the Credit Agreement: 

(a)        Section 1.01 of the Credit Agreement is hereby amended to add the
following defined terms in the appropriate alphabetical order: 
 ““Corresponding Debt”
has the meaning specified in Section 10.23. 
 “Parallel Debt” has the meaning
specified in Section 10.23. 
 “Pledgor Subsidiary” has the meaning specified in
Section 6.16.” 
 (b)        The following defined
term, appearing in Section 1.01 of the Credit Agreement, is hereby amended and restated in its entirety to read as follows: 
 ““Loan Parties” means, collectively, the Borrower, each Guarantor and each Pledgor Subsidiary; provided, however, that each Pledgor Subsidiary shall be excluded from
the term “Loan Parties” for purposes of such term’s use within (a) the definitions of “Intercompany Accounts”, “Loan Party Accounts Receivable”, “Material Domestic Subsidiary”, “Material
Subsidiary”, “Net Loan Party Accounts Receivable” and “Real Property Lease Accounts”, and (b) Sections 4.01, 5.08, 5.17, 7.05(h), the last proviso of Section 7.05 and
Section 9.10(a).” 
 (c)        Section 6.16 of the
Credit Agreement is hereby amended and restated to read in its entirety as follows: 

        “ 6.16    Designation of Unrestricted
Subsidiaries.    The Borrower may, from time to time, designate one or more Subsidiaries as “Unrestricted Subsidiaries” by giving written notice to the Administrative Agent; provided, however, that
(a) in no event may the Borrower designate any Subsidiary as an Unrestricted Subsidiary if, at the time of and immediately after giving effect to such designation, either (i) the Attributable Asset Share of Equinix in all Unrestricted
Subsidiaries exceeds 10% of the consolidated total assets of Equinix and its Subsidiaries (based on the most recent consolidated balance sheet of Equinix and its Subsidiaries delivered to the Administrative Agent and the Lenders under
Section 6.01(a) or (b) ), or (ii) the Attributable A/R Share of Equinix in all Unrestricted Subsidiaries exceeds 10% of the net accounts receivable of Equinix and its Subsidiaries (based on the most recent consolidated balance
sheet of Equinix and its Subsidiaries delivered to the Administrative Agent and the Lenders under Section 6.01(a) or (b)), and (b) no Subsidiary (i) that is or is required to become a Guarantor under Section 6.14,
(ii) that is not and is not required to become a Guarantor under Section 6.14 but is or is required become a pledgor of the Equity Interests of a Pledged Subsidiary (hereinafter defined) (a “Pledgor Subsidiary”)
under any Loan Document, or (iii) whose Equity 

  
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Interests are or are required to be pledged on or after the Closing Date (a “Pledged Subsidiary”) in favor of the Administrative Agent under any Loan Document, as the case may
be, may be an Unrestricted Subsidiary. As of the Closing Date, the Unrestricted Subsidiaries are set forth on Schedule 6.16. Any Subsidiary which has been designated as an Unrestricted Subsidiary pursuant to this Section 6.16 may,
at any time thereafter, be redesignated as a Restricted Subsidiary by the Borrower; provided, however, that a Subsidiary that has been redesignated as a Restricted Subsidiary as provided in this sentence may not thereafter be
designated or redesignated as an Unrestricted Subsidiary.” 

(e)        Section 7.09 of the Credit Agreement is hereby amended and
restated to read in its entirety as follows: 

“      7.09    Burdensome
Agreements.    Enter into any Contractual Obligation (other than this Agreement or any other Loan Document) that (a) limits the ability (i) of any Material Domestic Subsidiary, Pledged Subsidiary or SDHI to make
Restricted Payments to the Borrower, any Pledgor Subsidiary or any Guarantor or to otherwise transfer property to the Borrower, any Pledgor Subsidiary or any Guarantor, (ii) of any Material Domestic Subsidiary or any Pledgor Subsidiary to
Guarantee the Indebtedness of the Borrower or any Guarantor or (iii) of the Borrower, any Pledgor Subsidiary or any Material Domestic Subsidiary to create, incur, assume or suffer to exist Liens on property of such Person; provided,
however, that, so long as the following do not violate Section 7.12, (A) none of the foregoing shall apply to restrictions and conditions imposed by applicable Laws (which (taken as a whole) could not reasonably be expected
to have a Material Adverse Effect), (B) none of the foregoing shall apply to customary restrictions and conditions contained in agreements relating to the sale of the assets or Equity Interests permitted under Section 7.05 pending
such sale, provided such restrictions and conditions apply only to the Person whose assets or Equity Interests are to be sold, (C) clauses (i) and (iii) shall not apply to restrictions or conditions imposed on specific assets which
are the subject of any leases (including Capital Leases) or to customary provisions in leases (including Capital Leases) and other contracts restricting the assignment of such leases and other contracts, (D) clauses (ii) and
(iii) shall not apply to the restrictions contained in the Senior Notes Indentures (as such restrictions are in effect on the date hereof) and (E) clauses (ii) and (iii) shall not apply to customary restrictions contained in the
documentation relating to financings permitted hereunder, provided that such restrictions shall not restrict (x) any Loan Party’s or Material Domestic Subsidiary’s ability to grant Liens in favor of the Administrative Agent and
Secured Parties (or the Administrative Agent and Secured Party’s ability to enforce such Liens) under or in connection with the Loan Documents or (y) any Loan Party’s or Material Domestic Subsidiary’s ability to guarantee the
Obligations; or (b) requires the grant of a Lien to secure an obligation of such Person if a Lien is granted to secure the Obligations, other than the requirements contained in the Senior Notes Indentures (as such requirements are in effect on
the date hereof).” 

  
 3 

 (f)        Section 10.02(a)(i)
of the Credit Agreement is hereby amended to replace the phrase “if to the Borrower, the Guarantors” with the phrase “if to the Borrower or any other Loan Party”. 

(g)        The following new Section 10.23 is hereby added to the Credit
Agreement in proper numerical order: 

“        10.23    Parallel Debt (Dutch Collateral
Documents).    To grant the collateral security pursuant to the Collateral Documents governed by Dutch law to the Administrative Agent, each Loan Party irrevocably and unconditionally undertakes (and to the extent necessary
undertakes in advance (bij voorbaat)) to pay to the Administrative Agent amounts equal to any amounts owing from time to time by such Loan Party to any Secured Party under any Loan Document as and when those amounts are due. Each Loan Party
and the Administrative Agent and the other Secured Parties acknowledge that the obligations of each Loan Party under this Section 10.23 are several and are separate and independent (eigen zelfstandige verplichtingen) from, and
shall not in any way limit or affect, the corresponding obligations of that Loan Party to any Secured Party under this Agreement or any other Loan Document (its “Corresponding Debt”) nor shall the amounts for which each Loan Party
is liable under this Section 10.23 (its “Parallel Debt”) be limited or affected in any way by its Corresponding Debt provided that: (a) the Parallel Debt of each Loan Party shall be decreased to the extent
that its Corresponding Debt has been irrevocably paid or (in the case of guarantee obligations) discharged; (b) the Corresponding Debt of each Loan Party shall be decreased to the extent that its Parallel Debt has been irrevocably paid or (in
the case of guarantee obligations) discharged; and (c) the amount of the Parallel Debt of each Loan Party shall at all times be equal to the amount of its Corresponding Debt. For the purpose of this Section 10.23, the Administrative
Agent acts in its own name and on behalf of itself and not as agent, representative or trustee of any other Secured Party, and its claims in respect of each Parallel Debt shall not be held in trust. The collateral security granted under the Dutch
law Collateral Documents to the Administrative Agent to secure each Parallel Debt is granted to the Administrative Agent in its capacity as sole creditor of each Parallel Debt. All monies received or recovered by the Administrative Agent pursuant to
this Section 10.23, and all amounts received or recovered by the Administrative Agent from or by the enforcement of any collateral security granted to secure each Parallel Debt, shall be applied in accordance with
Section 8.03. Without limiting or affecting the Administrative Agent’s rights against the Loan Parties (whether under this Section 10.23 or under any other provision of the Loan Documents), each Loan Party acknowledges
that: (x) nothing in this Section 10.23 shall impose any obligation on the Administrative Agent to advance any sum to any Loan Party or otherwise under any Loan Document, except in its capacity as Lender or L/C Issuer, as the case
may be, pursuant to other terms of this Agreement; and (y) for the purpose of any vote taken under any Loan Document, the Administrative Agent shall not be regarded as having any participation or commitment other than those which it has in its
capacity as a Lender or L/C Issuer, as the case may be. For the avoidance of doubt: (i) the Parallel Debt of each Loan Party will become due and payable (opeisbaar) at the same time its Corresponding Debt becomes due and payable; and
(ii) without prejudice to this Section 10.23, a Loan Party may not repay or prepay its Parallel Debt unless directed to do so by the Administrative Agent or the collateral security is enforced by the Administrative Agent.”

  
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 §2.        Consent to
Specified Restructuring.    Subject to Section 4 below, and in reliance on the representations and warranties of the Loan Parties set forth herein, pursuant to Section 10.01 of the Credit Agreement, the
undersigned Required Lenders hereby consent to the Specified Restructuring. 

§3.        Limited Release and Substitution of Collateral; Amendment
to Pledge and Security Agreement.    Subject to Section 4 below, and in reliance on the representations and warranties of the Loan Parties set forth herein, pursuant to Section 10.01 of the Credit Agreement and
Sections 8(e) and 11 of the Pledge and Security Agreement, (a) the undersigned Required Lenders hereby direct the Administrative Agent to release, and the Administrative Agent hereby releases, the Administrative Agent’s security interest
in and Lien on all of the Borrower’s right, title and interest in the Pledged Equity (as defined in the Pledge and Security Agreement) of Lux HoldCo, and (b) the undersigned Required Lenders hereby direct the Administrative Agent to
execute, deliver and/or file all other appropriate documentation, and otherwise take such other actions, to reflect the release in the preceding clause (a). In consideration of the foregoing release, as well as the consent set forth in
Section 2 above, the parties hereto agree that the Pledge and Security Agreement is hereby amended (x)(i) to delete the words “Equinix (Luxembourg) Holdings S.à r.l., a company organized under the laws of the Grand Dutchy of
Luxembourg”, appearing in clause (d) of the defined term “Pledged Foreign Subsidiaries” (set forth in Section 1 of the Pledge and Security Agreement), and (ii) to substitute therefor the words, “EQIX (Global
Holdings) C.V., a limited partnership organized under the laws of the Netherlands”, and (y) to amend and restate the existing Schedule II to the Pledge and Security Agreement in its entirety with the new Schedule II attached hereto. In
furtherance of the foregoing and as contemplated by the recitals hereto, the Required Lenders hereby authorize the Administrative Agent to enter into the Dutch Pledge Agreement (hereinafter defined). 

§4.        Conditions to
Effectiveness.    This Amendment shall become effective as of the date hereof upon the satisfaction of each of the following conditions, in each case in a manner satisfactory in form and substance to the Administrative
Agent: 
 (a)        This Amendment shall have been duly executed and
delivered by the Borrower, the Guarantors, NY 3, the Required Lenders and the Administrative Agent; 

(b)        That certain Deed of Pledge of Partnership Interests (the
“Dutch Pledge Agreement”) shall have been duly executed and delivered by the Borrower, NY 3, the Dutch C.V. and the Administrative Agent, and the Administrative shall have received a certified copy of the unanimous written partner
resolutions relating to the Dutch Pledge Agreement duly executed by the partners of the Dutch C.V.; 

(c)        That certain Release Agreement Relating to a First Ranking Share
Pledge Agreement (the “Lux Release”) shall have been duly executed and delivered by the Borrower and Lux HoldCo; 

  
 5 

 (d)        The Administrative Agent
shall have received lien search results, as well as proper UCC financing statements and/or UCC financing statement amendments in form appropriate for filing under the Uniform Commercial Code, in each case, from all jurisdictions that the
Administrative Agent may deem necessary or desirable in order to perfect the Liens created under the Pledge and Security Agreement (as amended hereby) and the Dutch Pledge Agreement; 

(e)        The Administrative Agent shall have received a certificate from a
Responsible Officer of each of the Borrower, NY 3 and NY 3 in its capacity as general partner of the Dutch C.V., in each case, (i) attesting to the resolutions of such Person’s Board of Directors (or equivalent) and, if necessary,
shareholders (or equivalent) of such Person, authorizing its execution, delivery, and performance of this Amendment (if applicable) and the other Loan Documents (including the Dutch Pledge Agreement) referenced herein to which such Person is to
become a party, (ii) authorizing specific officers of such Person to execute the same, (iii) attesting to the incumbency and signatures of such specific officers of such Person and (iv) certifying as true, correct and complete, copies
of such Person’s Organization Documents, as amended, modified, or supplemented to the date hereof (or, alternatively, if certified Organization Documents had been previously delivered to the Administrative Agent, then a certification from such
Person that there have been no changes or other modifications to such Organization Documents since the date previously delivered to the Administrative Agent); 
 (f)        The Administrative Agent shall have received such documents and certifications as the Administrative Agent may reasonably require to evidence that each
of the Borrower, NY 3 and the Dutch C.V. is duly organized or formed, and that such Person is validly existing and in good standing in its jurisdiction of organization or formation; 

(g)        The Administrative Agent and the Lenders shall have received favorable
opinions from each of (i) Orrick, Herrington & Sutcliffe LLP, special U.S. counsel to the Loan Parties, and (ii) Baker & McKenzie Amsterdam, special Dutch counsel to the Loan Parties and the Dutch C.V., in each case,
addressed to the Administrative Agent and the Lenders, and covering certain matters related to this Amendment and the Dutch Pledge Agreement; 
 (h)        The Administrative Agent shall have received from the Borrower for the account of each Lender that has executed and delivered a counterpart of this
Amendment on or prior to May 30, 2013 (an “Approving Lender”), a fully-earned, nonrefunable amendment fee in Dollars equal to 3.0 basis points (0.03%) multiplied by the sum of (i) the Revolving Commitment of each Approving
Lender plus (ii) the Outstanding Amount of each Approving Lender’s Term Loan on May 30, 2013, which fee is to be distributed pro rata to each such Approving Lender based on such Approving Lender’s Revolving Commitment and
Outstanding Amount of such Approving Lender’s Term Loan; 

(i)        The Borrower shall have paid all reasonable fees, charges and
disbursements of counsel to the Administrative Agent (directly to such counsel if requested by the Administrative Agent) to the extent invoiced prior to the date hereof, plus such additional amounts of such fees, charges and disbursements as shall
constitute its reasonable estimate of such fees, charges and disbursements incurred or to be incurred by it through the closing proceedings of this Amendment (provided that such estimate shall not thereafter preclude a final settling of accounts
between the Borrower and the Administrative Agent); and 

  
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 (j)        Delivery of such other
items, documents, agreements, items or actions as the Administrative Agent may reasonably request in order to effectuate the transactions contemplated hereby. 
 §5.        Post-Closing Obligations.    The Loan Parties shall deliver to the Administrative Agent, each in form and
substance satisfactory to the Administrative Agent, the following documents, as soon as possible, but in any event within 14 days after the date hereof (or such longer period of time as may be agreed to by the Administrative Agent in writing in its
sole discretion): 
 (a)        a true, correct and complete copy of the
updated shareholder’s register of Lux HoldCo, reflecting the recordation of the Lux Release thereon, and certified by a Responsible Officer of the Borrower; 

(b)        a true, correct and complete copy of the updated Schedule B of the
Partnership Agreement of the Dutch C.V., reflecting the recordation of the Dutch Pledge Agreement thereon, and certified by a Responsible Officer of the Borrower; and 

(c)        true, correct and complete copies of: (i) the contribution
agreement by and between the Borrower and the Dutch C.V. relating to the Specified Restructuring, which reflects the Borrower’s contribution of 100% of the Equity Interests of Lux HoldCo to the Dutch C.V., and (ii) the updated
shareholder’s register of Lux HoldCo reflecting 100% of the Equity Interests of Lux HoldCo held by the Dutch C.V., in each case, certified by a Responsible Office of the Borrower. 

The failure of any of the events described in this Section 5 to occur shall constitute an Event of Default. 

§6.        Representations and Warranties; No
Default.    Each of the Loan Parties hereby repeats, on and as of the date hereof, each of the representations and warranties made by it in the Credit Agreement (except to the extent of changes resulting from transactions
contemplated or permitted by this Amendment, the Credit Agreement and the other Loan Documents, and to the extent that such representations and warranties relate expressly to an earlier date), provided that all references therein to the
Credit Agreement shall refer to the Credit Agreement as amended hereby. In addition, each of the Loan Parties hereby represents and warrants that the execution and delivery by such Person of this Amendment and the performance by such Person of all
of its agreements and obligations under the Credit Agreement and under the Pledge and Security Agreement, in each case as amended hereby, are within the corporate authority of such Person and have been duly authorized by all necessary corporate
action on the part of such Person. The execution and delivery of this Amendment will result in valid and legally binding obligations of such Loan Party, enforceable against such Loan Party in accordance with its terms, subject to the effects of any
Debtor Relief Laws and general principles of equity. Each of the Loan Parties hereby further represents and warrants that after giving effect to this Amendment, no Default or Event of Default has occurred and is continuing. 

  
 7 

 §7.        Ratification,
etc.    Except as expressly amended or otherwise modified hereby, the Credit Agreement (including the Multiparty Guaranty), the Pledge and Security Agreement and all documents, instruments and agreements related thereto,
including, but not limited to the other Loan Documents, are hereby ratified and confirmed in all respects and shall continue in full force and effect. No amendment, consent, waiver or release herein granted or agreement herein made shall extend
beyond the terms expressly set forth herein for such amendment, consent, waiver, release or agreement, as the case may be, nor shall anything contained herein be deemed to imply any willingness of the Administrative Agent or the Lenders to agree to,
or otherwise prejudice any rights of the Administrative Agent or the Lenders with respect to, any similar amendments, consents, waivers, releases or agreements that may be requested for any future period, and this Amendment shall not be construed as
a waiver of any other provision of the Loan Documents or to permit the Borrower or any other Loan Party to take any other action which is prohibited by the terms of the Credit Agreement and the other Loan Documents. The Credit Agreement and this
Amendment shall be read and construed as a single agreement. The Pledge and Security Agreement and this Amendment shall be read and construed as a single agreement. All references in the Credit Agreement, or any related agreement or instrument to
the Credit Agreement shall hereafter refer to the Credit Agreement as amended hereby. All references in the Pledge and Security Agreement, or any related agreement or instrument to the Pledge and Security Agreement shall hereafter refer to the
Pledge and Security Agreement as amended hereby. Each Loan Party hereby ratifies and reaffirms the validity and enforceability of all of the Liens and security interests heretofore granted and pledged by such Loan Party pursuant to the Loan
Documents to the Administrative Agent, on behalf and for the benefit of the Secured Parties, as collateral security for the Secured Obligations, and acknowledges that all of such Liens and security interests, and all Collateral heretofore granted,
pledged or otherwise created as security for the Secured Obligations, other than any Collateral released by the Administrative Agent pursuant to Section 3 above, continue to be and remain collateral security for the Secured Obligations from and
after the date hereof. Each of the Guarantors party to the Multiparty Guaranty hereby acknowledges and consents to this Amendment and agrees that the Multiparty Guaranty and all other Loan Documents to which each of the Guarantors are a party remain
in full force and effect, and each of the Guarantors confirms and ratifies all of its Secured Obligations thereunder. 
 §8.        Counterparts.    This Amendment may be executed in one or more counterparts, each of which shall be deemed an
original but which together shall constitute one and the same instrument. 

§9.        Governing Law.    THIS AMENDMENT
SHALL BE GOVERNED BY, AND CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE INTERNAL LAWS (AS OPPOSED TO THE CONFLICTS OF LAW PRINCIPLES) OF THE STATE OF NEW YORK. 
 [Remainder of page intentionally left blank.] 

  
 8 

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

							
	 BORROWER: 
	 	EQUINIX, INC.	 	
				
	 	 	  By:	 	    /s/ Keith Taylor	 	 
		 	  Name:	 	    Keith Taylor	 	
		 	  Title:	 	    Chief Financial Officer	 	

  

							
	 GUARANTORS:
	 	EQUINIX OPERATING CO., INC.	 	
				
	 	 	  By:	 	    /s/ Keith Taylor	 	 
		 	  Name:	 	    Keith Taylor	 	
		 	  Title:	 	    Chief Financial Officer	 	

  

							
		 	EQUINIX PACIFIC, INC.	 	
				
	 	 	  By:	 	    /s/ Keith Taylor	 	 
		 	  Name:	 	    Keith Taylor	 	
		 	  Title:	 	    Chief Financial Officer	 	

  

							
		 	SWITCH & DATA LLC	 	
				
	 	 	  By:	 	    /s/ Keith Taylor	 	 
		 	  Name:	 	    Keith Taylor	 	
		 	  Title:	 	    Chief Financial Officer	 	

  
  
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

							
	 OTHER LOAN PARTIES:
	 	NY 3, LLC	 	
				
	 	 	By:	 	                /s/ Simon Miller	 	 

							
		 	  Name:	 	            Simon Miller	 	

							
		 	 Title:	 	              Manager	 	

  
  

 
  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 BANK OF AMERICA, N.A.,
 as Administrative Agent

		
	By:	 	    /s/ Matthew S. Hichborn

 

			
	Name:	 	     Matthew S. Hichborn

			
	Title:	 	     Assistant Vice President

  

			
	 BANK OF AMERICA, N.A.,
 as a Lender and L/C Issuer

		
	By:	 	    /s/ Bassam Wehbe

 
			
	Name:	 	    Bassam Wehbe

 
			
	Title:	 	    Senior Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 BARCLAYS BANK PLC, 
 as a Lender

		
	By:	 	    /s/ Nicholas Versandi

 
			
	Name:	 	    Nicholas Versandi

 
			
	Title:	 	    Assistant Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 CITIBANK, N.A., 
 as a Lender

		
	By:	 	    /s/ Stuart Darby

 
			
	Name:	 	    Stuart Darby

 
			
	Title:	 	    Senior Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 COMERICA BANK, 
 as a Lender

		
	By:	 	     /s/ Fatima Arshad

 
			
	Name:	 	     Fatima Arshad

 
			
	Title:	 	            Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 HSBC BANK PLC, 
 as a Lender

		
	By:	 	     /s/ Giovanna Padua

 
			
	Name:	 	    Giovanna Padua

 
			
	Title:	 	    Senior Corporate Banking Manager

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 HSBC BANK U.S.A., NATIONAL ASSOCIATION, 
 as a Lender

		
	By:	 	    /s/ Adrianna D. Collins

 

			
	Name:	 	    Adrianna D. Collins

 
			
	Title:	 	VP, Sr Relationship Manager

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 JPMORGAN CHASE BANK, N.A. 
 as a Lender

		
	By:	 	    /s/ Goh Siew Tan

 
			
	Name:	 	    Goh Siew Tan

 
			
	Title:	 	    Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 THE ROYAL BANK OF SCOTLAND PLC, 
 as a Lender

		
	By:	 	    /s/ Alex Daw

 
			
	Name:	 	    Alex Daw

 
			
	Title:	 	    Director

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 SUMITOMO MITSUI BANKING CORPORATION 
 as a Lender

		
	By:	 	    /s/ David W. Kee

 
			
	Name:	 	    David W. Kee

 
			
	Title:	 	    Managing Director

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 SUNTRUST BANK, 
 as a Lender

		
	By:	 	    /s/ Cynthia Burton

 
			
	Name:	 	    Cynthia Burton

 
			
	Title:	 	    Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 UNION BANK, N.A., 
 as a Lender

		
	By:	 	    /s/ Annabelle Guo

 
			
	Name:	 	    Annabelle Guo

 
			
	Title:	 	    Vice President

  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 U.S. BANK, NATIONAL ASSOCIATION,
 as a Lender

		
	By:	 	    /s/ Richard J. Ameny, Jr.

			
	Name:	 	    Richard J. Ameny

 
			
	Title:	 	    Vice President

  
  

 

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 
			
	 WELLS FARGO BANK, NATIONAL ASSOCIATION 
 as a Lender

		
	By:	 	    /s/ Ray Aguilar

 
			
	Name:	 	    Ray Aguilar

 
			
	Title:	 	    VP/Relationship Manager

  
  
  

 
  

  
 [SIGNATURE
PAGE TO FOURTH AMENDMENT, CONSENT, LIMITED RELEASE AND SUBSTITUTION AGREEMENT] 

 Schedule II 

SCHEDULE II TO PLEDGE AND SECURITY AGREEMENT 
 PLEDGED EQUITY 
 OF 

PLEDGED FOREIGN SUBSIDIARIES 
  

											
	 GRANTOR
	  	
PLEDGED
 FOREIGN
SUBSIDIARY
	  	
CLASS
	  	
CERTIFICATE
NUMBER
	  	
NUMBER OF
 PLEDGED
 SHARES,

UNITS,
 INTERESTS
	  	 PERCENTAGE
 OWNERSHIP

REPRESENTED
 BY PLEDGED

SHARES

 

	Equinix, Inc.	  	EQIX (Global Holdings) C.V.1	  	Partnership Interests	  	N/A	  	 65.5% of the partnership interests
of Equinix, Inc. in EQIX (Global Holdings) C.V.
  
	  	 65%
 (65 votes)

(voting)

	Equinix, Inc.	  	 Equinix Canada Ltd.

 
	  	Common	  	C-6	  	10,282,123	  	
66%

(voting)
  

	Equinix Pacific, Inc.	  	 Equinix Asia Pacific Pte.
Ltd.
  
	  	Ordinary	  	11	  	48,163,020	  	
66%

(voting)
  

	Equinix Pacific, Inc.	  	 Equinix Hong Kong
Limited
  
	  	Ordinary	  	11	  	166,049,401	  	
66%

(voting)
  

  
  

1 Pursuant to that certain Deed of Pledge of Partnership
Interests dated as of May 31, 2013, by and among the Borrower, NY 3, LLC, EQIX (Global Holdings) C.V. and the Administrative Agent, NY 3, LLC has pledged all of its partnership interests in EQIX (Global Holdings) C.V. in favor of the
Administrative Agent (which, as of May 31, 2013, is 0.5% of the partnership interests and 1% voting (1 vote)). 

											
	 GRANTOR
	  	
PLEDGED
 FOREIGN
SUBSIDIARY
	  	
CLASS
	  	
CERTIFICATE
NUMBER
	  	
NUMBER OF
 PLEDGED
 SHARES,

UNITS,
 INTERESTS
	  	 PERCENTAGE
 OWNERSHIP

REPRESENTED
 BY    PLEDGED

SHARES

 

	Equinix Pacific, Inc.	  	Equinix Japan K.K.	  	Ordinary	  	 A101

 
 A102

 
 A103

 
 A104

 
 A105

 
 A106

 
 A107

 
 A108

 
 A109

 
 A110

 
 A111

 
 A112

 
 B101

 
 B102

 
 B103

 
 B104
	  	 100

 
 100
  

100
  
 100
  
 100

 
 100
  

100
  
 100
  
 100

 
 100
  

100
  
 100
  
 10

 
 10
  

10
  
 10
  
	  	 66%
 (voting)2

  
  

2 The 1,240 shares of Equinix Japan K.K. represented by
Certificate Nos. A101 through A112 and B101 through B104 equate to 65.6% of the 1,890 ordinary (voting) shares.

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00219-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00219-of-00352.parquet"}]]