Document:

EX-10.12

 Exhibit 10.12 

AMENDMENT TO EMPLOYMENT AGREEMENT 

THIS AMENDMENT TO EMPLOYMENT AGREEMENT (this “Amendment”) dated as of November 18, 2019 (the “Amendment
Date”), shall amend that certain Employment Agreement (the “Employment Agreement”), which became effective as of May 1, 2017, by and between Cyxtera Management, Inc., a Delaware corporation (together with any successor
thereto, the “Company”), and Nelson Fonseca (“Executive”). Capitalized terms used but not defined herein shall have the meanings given to such terms in the Employment Agreement. 

RECITALS 
 WHEREAS,
pursuant to the Employment Agreement, Executive has previously served as the Executive Vice President and Chief Operating Officer of the Company and its affiliates, including Cyxtera Technologies, Inc. (“Cyxtera”) and Cyxtera
Cybersecurity, Inc. (“Cybersecurity”); 
 WHEREAS, Cybersecurity currently holds the equity securities of all of
Cyxtera’s cybersecurity businesses other than the equity interests in Immunity, Inc., which Immunity, Inc. equity interests are expected to be contributed to Cybersecurity prior to the completion of the
Spin-off (as defined below); 
 WHEREAS, on February 8, 2018, Executive was promoted to
the position of President and Chief Operating Officer of the Company; 
 WHEREAS, Cyxtera and Cybersecurity are planning a spin-off of Cyxtera’s cybersecurity businesses (the “Spin-off”); 

WHEREAS, it is expected that following the Spin-off, the Company shall remain a wholly-owned
subsidiary of Cyxtera; and 
 WHEREAS, the parties desire to amend Executive’s position with the Company and Cyxtera and certain
terms and conditions of the Employment Agreement as set forth herein. 
 NOW, THEREFORE, in consideration of the foregoing recitals,
which shall constitute a part of this Amendment, and for good and valuable consideration, and intending to be legally bound hereby, the parties hereto agree as follows: 

AMENDMENT 
 1.
Amendment to the Employment Agreement. Effective as of the Amendment Date, the Employment Agreement shall be amended as follows: 

(a) Section 1(b) of the Employment Agreement is amended and restated as follows: 

(b) Employment Term. The term of employment under this Agreement (the “Term”) shall be for the period beginning on the
Effective Date and ending on January 1, 2023, subject to earlier termination as provided in Section 3. The Term shall automatically renew for additional twelve (12) month periods unless, no later than sixty
(60) days prior to the end of the applicable Term, either party gives written notice of non-renewal (“Notice of Non-Renewal”) to the other, in which case Executive’s employment will
terminate at the end of the then-applicable Term, subject to earlier termination as provided in Section 3. 

 Notwithstanding any provision herein to the contrary, any termination of Executive’s
employment by the Company without Cause that occurs upon or following the expiration of the Term as a result of the Company not renewing the Term pursuant to this Section 1(b) shall be treated as a termination without Cause
hereunder and, in such event, Executive shall be entitled to receive the payments and benefits set forth in Section 4( b) of this Agreement. The provisions of Section 5, 6, 7,
8, 9 and 11 shall survive the expiration or non-renewal of the Term. 
 (b)
Effective as of January 1, 2020, the first sentence of Section 1(c) of the Employment Agreement is deleted and replaced with the following: 

Executive shall serve as the President and Chief Executive Officer of the Company and Cyxtera, with such responsibilities, duties and authority
normally associated with such position, subject to the provisions herein, and as may from time to time be assigned to Executive by the board of directors of the Company, or an authorized committee thereof (in any case, the “Board”).
The Executive shall report to the Board. In connection with Executive’s service as Chief Executive Officer of the Company, Executive expressly acknowledges and agrees that he will receive support from the Company’s Executive Chairman (the
“Executive Chairman”) in the leadership of the Company’s business and will cooperate in all reasonable respects with the Executive Chairman, and shall take direction from Board, in each case in regard to the division of
leadership responsibilities between the Executive and the Executive Chairman. Subject to the foregoing, the Company and the Executive presently expect that the functional responsibilities of the Executive and the Executive Chairman shall initially
be as set forth in Exhibit B hereto, it being understood that such functional responsibilities may be modified from time to time by the Board with the prior written consent of the Executive and the Executive Chairman (not to be unreasonably
withheld, conditioned or delayed). 
 Exhibit B to the Employment Agreement, as referenced in the foregoing, is attached as an exhibit to
this Amendment. 
 (c) Executive and the Company acknowledge that Executive may serve as a member of the board of directors (or comparable
governing body) of Cybersecurity and that such service shall not constitute a breach of any provision of the Employment Agreement. 
 (d)
Effective as of January 1, 2020, Executive’s Annual Base Salary is increased to $500,000. All other provisions of Section 2(a) of the Employment Agreement shall remain unchanged. 

(e) For calendar year 2019, the Company agrees that Executive’s Annual Bonus payment will be not less than 75% of Executive’s Target
Bonus (at the rate in effect prior to the Amendment Date, calculated by reference to Executive’s Annual Base Salary as in effect on the date hereof). Beginning with calendar year 2020, Executive’s Target Bonus shall be 100% of
Executive’s Annual Base Salary (at the rate in effect taking into account the terms of this Amendment). 
 (f) Section 5(d) of the
Employment Agreement is amended and restated as follows: 

  
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 (d) As used in this Section 5, (i) the term
“Company” shall include the Company and its direct and indirect subsidiaries; (ii) the term “Business” shall mean the business of the Company as such business exists as of the date hereof and as such business
may be expanded or altered by the Company during the Term and specifically includes (A) providing (i) access and use rights to specified portions of the data centers to enable customers to locate and operate their customer colocation equipment
therein, (ii) access to electrical power necessary to operate such customer colocation equipment, (iii) connectivity of such customer colocation equipment to external communication networks, and (iv) ancillary services provided by
Company during the Term in connection with the installation and use of their customer colocation equipment, the connection of such customer colocation equipment to power sources or external communications networks, and maintaining or optimizing the
operation or performance of such customer colocation equipment, and (B) the business of Cybersecurity as such business may be expanded or altered during the period of Executive’s service with Cybersecurity, provided, however, that the term
“Business” shall cease to include the cybersecurity businesses of the Company and Cybersecurity as of the one year anniversary of the later of (I) the consummation of the Spin-off or
(II) the date the Executive ceases to serve on the board of directors (or comparable governing body) of Cybersecurity; and (iii) the term “Restriction Period” shall mean the period beginning on the Effective Date and
ending on the date 12 months following the Date of Termination. 
 (g) Section 1l(k) of the Employment Agreement is amended and restated
as follows: 
 (k) Indemnification and Advancement: Insurance. The Company shall defend, indemnify and hold Executive harmless from
any and all liabilities, obligations, claims or expenses which arise in connection with or as a result of Executive’s service as an officer of the Company, including advancement to Executive of any and all expenses and attorneys’ fees
incurred by Executive in defending any action or proceeding resulting from his service with the Company to the greatest extent allowed by law. During the Term and for a period of at least six years thereafter, Executive shall be entitled to the same
directors’ and officers’ liability insurance coverage that the Company provides generally to its other directors and officers, as may be amended from time to time. 

(h) Executive expressly agrees and acknowledges that none of the Spin-off, the execution of this
Amendment or any matters ancillary thereto or the implementation thereof shall constitute Good Reason for purposes of the Employment Agreement. Executive further agrees that any adjustment to the functional responsibilities of the Executive and the
Executive Chairman as permitted under Section 1(c) of the Agreement (as such provision is amended hereby) shall not constitute Good Reason under the Employment Agreement or any other agreement entered into between Executive and the Company or
any of its affiliates. 
  

  
 3 

 2. Class B Units in SIS Holdings LP. 

(a) On the Amendment Date (or as soon as practicable thereafter), SIS Holdings LP (“SIS Holdings”) shall grant
to Executive an equity incentive award consisting of 23,031 Class B Units (the “Class B Units”) of Parent under and subject in all respects to the SIS Holdings, LP Class B Unit Plan effective as of May 1, 2017 (as
amended from time to time, the “Plan”) and a new Award Agreement to be entered into by Executive under the Plan (the “Award Agreement”). The Class B Units shall be subject in all respects to the terms and conditions
to be set forth in the Plan and the Award Agreement (including vesting and exercisability terms, which will include time-based vesting criteria providing for 25% vesting on the first anniversary of the grant date, with the remainder vesting in
ratable monthly installments for the 42 months thereafter, with any unvested options accelerating upon certain liquidity events). 

(b) In connection with the Spin-off, the Company, SIS Holdings and Executive intend
that an adjustment, exchange or other treatment will be made, taken or implemented with respect to Executive’s Class B Units, and/or new awards will be granted, and each of Company and SIS Holdings agree that, in each case, such actions
will be taken by them and their affiliates in good faith, with an intent to provide for equitable treatment of Executive with respect to the economic opportunity associated with Executive’s Class B Units. Subject to the Company’s and
SIS Holdings’ satisfaction of their agreements contained in the immediately preceding sentence, Executive agrees that Executive’s consent, if required, with respect to the foregoing will not be unreasonably withheld, conditioned or
delayed. Executive’s rights in respect of this Section 2 of this Amendment shall terminate upon the execution of definitive documentation with respect to the treatment of Executive’s Class B Units in
connection with the Spin-off. 
 3. Other Provisions. Except as expressly modified by this
Amendment, the terms and conditions of the Employment Agreement shall remain in full force and effect. 
 4. General Provisions. This
Amendment may be executed in separate counterparts and delivered by fax or email. This Amendment and all questions concerning the construction, validity and interpretation of this Amendment and the exhibits hereto will be governed by and construed
in accordance with the internal laws of the State of Florida, without giving effect to any choice of law or conflict of law provision or rule (whether of the State of Florida or any other jurisdiction) that would cause the application of the laws of
any jurisdiction other than the State of Florida to be applied. 
 ***** 

  
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 The parties hereto have executed this Amendment to Employment Agreement on the date first
above written. 
  

			
	COMPANY
	
	CYXTERA MANAGEMENT, INC.
		
	By:	 	 /s/ Rene A. Rodriguez

	Name:	 	Rene A. Rodriguez
	Title:	 	Chief Financial Officer
	
	EXECUTIVE
	
	 /s/ Nelson Fonseca

	Nelson Fonseca
	
	SIS HOLDINGS
	(SOLELY WITH RESPECT TO SECTION 2)
	
	SIS HOLDINGS, LP
		
	By:	 	SIS HOLDINGS GP, LLC, its General Partner
		
	By:	 	 /s/ Rene A. Rodriguez

	Name:	 	Rene A. Rodriguez
	Title:	 	Chief Financial Officer

 Signature Page to Amendment to Employment Agreement 

 EXHIBIT B TO EMPLOYMENT AGREEMENT 

Initial Functional Responsibilities of Executive Chairman and CEO 
  

					
	 Function
	  	 Executive Chairman
	  	 CEO

	External—Finance/Corporate	  		  	
	Conferences	  	X—phases out	  	X—phases in
	Earnings Calls	  		  	X
	M&A meetings	  	X	  	X—support as needed
	Board and Committee meetings	  	X—primary as chairman	  	X—secondary as CEO
	Other (including financings)	  	X—support as needed; use for key relationships	  	X
			
	External—Customer	  		  	
	Customer meetings	  	X—support as needed	  	X
	Customer conferences	  		  	X
	Industry conferences	  	X—support as needed	  	X
			
	External—Corporate Communications	  		  	
	Corporate messaging	  		  	X
	Media interviews	  	X—support as needed	  	X
	Government Affairs/Lobbying	  	X—support as needed	  	X
			
	Internal—Management	  		  	
	 Management/Operating
 Committee
	  		  	X
	Corporate strategy discussions	  	X	  	X
	Employee messaging	  		  	X
	Compensation and Benefit Policies	  		  	X
	Executive compensation	  	X—support as needed	  	XEX-10.13

 Exhibit 10.13 

Employment Agreement 

This Employment Agreement (this “Agreement”) is entered into on May 8, 2017 by and between Cyxtera Management, Inc., a
Delaware corporation (together with any successor thereto, the “Company”), and Randy Rowland (the “Executive”) (collectively referred to herein as the “Parties”), effective as of May 1, 2017
(the “Effective Date”). 
 RECITALS 
  

	A.	 It is the desire of the Company to assure itself of the services of Executive effective as of the Effective
Date and thereafter by entering into this Agreement. 

  

	B.	 Executive and the Company mutually desire that Executive provide services to the Company on the terms herein
provided. 

 AGREEMENT 

NOW, THEREFORE, in consideration of the foregoing and of the respective covenants and agreements set forth below, the Parties hereto agree as
follows: 
 1. Employment. 
 (a)
General. Effective as of the Effective Date, the Company shall employ Executive and Executive shall remain in the employ of the Company, for the period and in the position set forth in this Section 1, and subject to
the other terms and conditions herein provided. 
 (b) Employment Term. The term of employment under this Agreement (the
“Term”) shall be for the period beginning on the Effective Date and ending on the third anniversary of the Effective Date, subject to earlier termination as provided in Section 3. The Term shall
automatically renew for additional twelve (12) month periods unless, no later than sixty (60) days prior to the end of the applicable Term, either party gives written notice of non-renewal
(“Notice of Non-Renewal”) to the other, in which case Executive’s employment will terminate at the end of the then-applicable Term, subject to earlier termination as provided in
Section 3. For the avoidance of doubt, in the event the Company provides a Notice of Non-Renewal and terminates the Executive’s employment upon or following the expiration of the
Term, the Executive will not be entitled to receive the payments and benefits set forth in Section 4(b) of this Agreement; however, the provisions of Section 5, 6, 7, 8,
9 and 11 shall survive the expiration or non-renewal of the Term. 
 (c) Position
and Duties. Executive shall serve as Executive Vice President and Chief Product Officer of the Company with such responsibilities, duties and authority normally associated with such positions and as may from time to time be assigned to Executive
by the Chief Executive Officer. Executive shall devote substantially all of Executive’s working time and efforts to the business and affairs of the Company (which shall include service to Cyxtera Technologies, Inc. and its controlled
affiliates) and shall not engage in outside business activities (including serving on outside boards or committees) without the consent of the board of directors of the Company or its direct or indirect parent company, or an authorized committee
thereof (in any case, the “Board”), which consent shall not be unreasonably conditioned, withheld or delayed, provided that Executive shall be permitted to (i) manage Executive’s personal, financial and legal affairs,
(ii) participate in trade associations, (iii) serve on the board of directors of not-for-profit or tax-exempt
charitable organizations, and (iv) continue to serve in the Executive’s existing role with respect to the management of Medina Capital Advisors, LLC, Medina Capital Fund, L.P. (it being understood that no new investments will be made with
respect to this fund), 

 
Medina Capital Fund II, LLC, eMerge Americas, LLC and Innovation Center of the Americas, LLC, in each case, subject to compliance with this Agreement and provided that such activities do not
materially interfere with Executive’s performance of Executive’s duties and responsibilities hereunder. Executive agrees to observe and comply with the rules and policies of the Company as adopted by the Board from time to time, in each
case as amended from time to time, as set forth in writing and delivered to Executive (each, a “Policy”). 
 2. Compensation and
Related Matters. 
 (a) Annual Base Salary. During the Term, Executive shall receive a base salary at a rate of $400,000 per
annum, which shall be paid in accordance with the customary payroll practices of the Company and shall be pro-rated for partial years of employment. Such annual base salary shall be reviewed (and may be
increased but not decreased) from time to time, but not less than annually, by the Board (such annual base salary, as it may be adjusted from time to time, the “Annual Base Salary”). 

(b) Bonus. During the Term and beginning with calendar year 2017, Executive will be eligible to participate in an annual incentive
program established by the Board. Executive’s annual incentive compensation under such incentive program (the “Annual Bonus”) shall be targeted at 60% of his Annual Base Salary (the “Target Bonus”), with the
expectation that the bonus will scale upward and downward based on actual performance, with respect to performance goals established at the start of each period by the Board in consultation with the Chief Executive Officer, as determined by the
Board in good faith. The payment of any Annual Bonus pursuant to the incentive program shall be subject to Executive’s continued employment with the Company through the date of payment, except as otherwise provided in
Section 4. For the avoidance of doubt, in the event the Executive’s employment terminates after the end of a calendar year for any reason other than by the Company for Cause, by the Executive without Good Reason or due
to non-renewal of the Agreement by the Executive, then Executive will remain entitled to receive any earned Annual Bonus for the prior completed year. Each earned Annual Bonus will be payable in the year
following the year for which it is earned as soon as practicable after the end of the year for which it is earned (and, in all events, prior to the later of (i) date that is two and a half months after the end of the year for which it is earned
or (ii) 30 days after the completion of the audited financial statements for such year but not later than 120 days after the end of the year). 

(c) Benefits. During the Term, Executive shall be eligible to participate in employee benefit plans, programs and arrangements of the
Company (including medical, dental and 401 (k) plans) available to similarly situated executives, consistent with the terms thereof and as such plans, programs and arrangements may be amended from time to time. In no event shall Executive be
eligible to participate in any severance plan or program of the Company, except as set forth in Section 3(c) and Section 4 of this Agreement. 

(d) Vacation. During the Term, Executive shall be entitled to paid personal leave in accordance with the Company’s Policies. Any
vacation shall be taken at the reasonable and mutual convenience of the Company and Executive. 
 (e) Business Expenses. During the
Term, the Company shall reimburse Executive for all reasonable travel and other business expenses incurred by Executive in the performance of Executive’s duties to the Company in accordance with the Company’s expense reimbursement Policy.

  
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 (f) Key Person Insurance. At any time during the Term, the Company shall have the
right to insure the life of Executive for the Company’s sole benefit. The Company shall have the right to determine the amount of insurance and the type of policy. Executive shall reasonably cooperate with the Company in obtaining such
insurance by submitting to physical examinations, by supplying all information reasonably required by any insurance carrier, and by executing all necessary documents reasonably required by any insurance carrier; provided that any information
provided to an insurance company or broker shall not be provided to the Company without the prior written authorization of Executive. Executive shall incur no financial obligation by executing any required document, and shall have no interest in any
such policy. 
 (g) Class B Units of SIS Holdings LP. Effective as of the Effective Date, SIS Holdings LP, a
Delaware limited partnership and the indirect parent company of the Company (“Parent”), shall grant to Executive an equity incentive award consisting of 62,500 Class B Units (the “Class B
Units”) of Parent under and subject in all respects to the Class B Units Plan (the “Plan”) to be established by Parent on terms and conditions satisfactory to Parent in its discretion. The grant of the Class B
Units to Executive shall be conditioned upon Executive’s commencement of employment hereunder as of the Effective Date and Executive’s execution of an award agreement (the “Award Agreement”) on terms and conditions
acceptable to Parent. The Class B Units shall be subject in all respects to the terms and conditions to be set forth in the Plan and the Award Agreement (including vesting and exercisability terms, which are expected to include time-based
vesting criteria providing for 25% vesting on the first anniversary of the grant date, with the remainder vesting in ratable monthly installments for the 42 months thereafter, with any unvested options accelerating upon certain liquidity events).

 3. Termination. 

Executive’s employment hereunder may be terminated by the Company or Executive, as applicable, without any breach of this Agreement under
the following circumstances: 
 (a) Circumstances. 

(i) Death. Executive’s employment hereunder shall terminate upon Executive’s death. 

(ii) Disability. If Executive has incurred a Disability, as defined below, the Company may terminate Executive’s
employment. 
 (iii) Termination for Cause. The Company may terminate Executive’s employment for Cause, as
defined below. 
 (iv) Termination without Cause. The Company may terminate Executive’s employment without Cause.

 (v) Resignation from the Company for Good Reason. Executive may resign Executive’s employment with the Company
for Good Reason, as defined below. 
 (vi) Resignation from the Company Without Good Reason. Executive may resign
Executive’s employment with the Company for any reason other than Good Reason or for no reason, which shall include a termination of Executive as a result of Executive not renewing the Term pursuant to Section 1. 

(b) Notice of Termination. Any termination of Executive’s employment by the Company or by Executive under this
Section 3 (other than termination pursuant to paragraph (a)(i)) shall be communicated by a written notice to the other Party hereto (i) indicating the specific termination provision in this Agreement relied upon,
(ii) setting forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of Executive’s employment under the provision so indicated, if 

  
 3 

 
applicable, and (iii) specifying a Date of Termination which, if submitted by Executive, shall be at least forty-five (45) days following the date of such notice (a “Notice of
Termination”); provided, however, that in the event that Executive delivers a Notice of Termination to the Company, the Company may, in its sole discretion, change the Date of Termination to any date that occurs following the date of
Company’s receipt of such Notice of Termination and is prior to the date specified in such Notice of Termination (it being understood that the Company will provide pay in lieu of notice in an amount equal to the compensation that would be due
to Executive for the period from the changed Date of Termination through the originally specified Date of Termination (not to exceed forty-five (45) days)). The failure by the Company or Executive to set forth in the Notice of Termination any
fact or circumstance which contributes to a showing of Cause or Good Reason shall not waive any right of such Party hereunder or preclude such Party from asserting such fact or circumstance in enforcing such Party’s rights hereunder. 

(c) Company Obligations upon Termination. Upon termination of Executive’s employment pursuant to any of the circumstances listed in
Section 3(a), Executive (or Executive’s estate) shall be entitled to receive the sum of: (i) the portion of Executive’s Annual Base Salary earned through the Date of Termination, but not yet paid to
Executive, (ii) any vacation time that has been accrued but unused in accordance with Company’s Policies, (iii) any reimbursements owed to Executive pursuant to Section 2(e); (iv) any accrued bonus amounts
with respect to the year prior to the year in which the Date of Termination occurs, to the extent then unpaid, provided, however, that Executive will not be entitled to receive the amount in this subclause (iv) upon termination of
Executive’s employment pursuant to the circumstances listed in Section 3(a)(iii) or Section 3(a)(vi), and (v) any amount accrued and arising from Executive’s participation in, or benefits accrued under any employee benefit
plans, programs or arrangements (including with respect to equity-based awards), which amounts shall be payable in accordance with the terms and conditions of such employee benefit plans, programs or arrangements (collectively, the “Company
Arrangements”). Except as otherwise expressly required by law (e.g., COBRA (as defined below)) or as specifically provided herein, all of Executive’s rights to salary, severance, benefits, bonuses and other compensatory amounts
hereunder (if any) shall cease upon the termination of Executive’s employment hereunder. 
 (d) Deemed Resignation. Upon
termination of Executive’s employment for any reason, Executive shall be deemed to have resigned from all offices and directorships, if any, then held with the Company or any of its affiliates. 

4. Severance Payments. 
 (a)
Termination for Cause, or Resignation from the Company Without Good Reason. If Executive’s employment shall terminate pursuant to Section 3(a)(iii) for Cause or pursuant to
Section 3(a)(vi) for Executive’s resignation from the Company without Good Reason, then Executive shall not be entitled to any severance payments or benefits, except as provided in
Section 3(c). Upon such termination, all unvested Class B Units issued to Executive under the Plan shall immediately be forfeited. 

(b) Termination without Cause, or Resignation from the Company for Good Reason. If Executive’s employment terminates without Cause
pursuant to Section 3(a)(iv), or pursuant to Section 3(a)(v) due to Executive’s resignation for Good Reason, then, subject to Executive signing on or before the 21st day following Executive’s Separation from Service (as defined below), and not revoking, a release of claims substantially in the form attached as Exhibit A to this Agreement (the
“Release”), and Executive’s continued compliance with Sections 5 and 6, Executive shall receive, in addition to payments and benefits set forth in Section 3(c), the following: 

  
 4 

 (i) an amount in cash equal to one (1) times the sum of (A) Annual
Base Salary and (B) the Target Bonus, payable in the form of salary continuation in regular installments over the 12-month period following the date of Executive’s Separation from Service (the
“Severance Period”) in accordance with the Company’s normal payroll practices, commencing on the first payroll period occurring on or after the 28th day following
Executive’s Separation from Service; if Executive elects to receive continued medical, dental or vision coverage under one or more of the Company’s group healthcare plans pursuant to the Consolidated Omnibus Budget Reconciliation Act of
1985, as amended (“COBRA”), the Company shall directly pay, or reimburse Executive for, the COBRA premiums for Executive and Executive’s covered dependents under such plans during the period commencing on Executive’s
Separation from Service and ending upon the earliest of (X) the last day of the Severance Period, (Y) the date that Executive and/or Executive’s covered dependents become no longer eligible for COBRA or (Z) the date Executive
becomes eligible to receive healthcare coverage from a subsequent employer (and Executive agrees to promptly notify the Company of such eligibility). Notwithstanding the foregoing, if the Company determines in its sole discretion that it cannot
provide the foregoing benefit without potentially violating applicable law (including, without limitation, Section 2716 of the Public Health Service Act) or incurring an excise tax, the Company shall in lieu thereof provide to Executive a
taxable monthly payment in an amount equal to the monthly COBRA premium that Executive would be required to pay to continue Executive’s and Executive’s covered dependents’ group health coverage in effect on the Date of Termination
(which amount shall be based on the premium for the first month of COBRA coverage), less the amount Executive would have had to pay to receive group health coverage for Executive and his or her covered dependents based on the cost sharing levels in
effect on the Date of Termination, which payments shall be made regardless of whether Executive elects COBRA continuation coverage and shall commence in the month following the month in which the Date of Termination occurs and shall end on the
earlier of (X) the last day of the Severance Period, (Y) the date that Executive and/or Executive’s covered dependents become no longer eligible for COBRA or (Z) the date Executive becomes eligible to receive healthcare coverage
from a subsequent employer (and Executive agrees to promptly notify the Company of such eligibility); and 
 (ii) to the
extent unpaid as of the Date of Termination, an amount of cash equal to any Annual Bonus earned by Executive for the Company’s fiscal year in which the Date of Termination occurs, as determined by the Board in its discretion based upon actual
performance achieved, which Annual Bonus, if any, shall be prorated based on the days of the fiscal year prior to and including the Date of Termination, and paid to Executive when bonuses for such fiscal year are paid in the ordinary course to
actively employed senior executives of the Company (but in no event later than the date that is two and half months into the following fiscal year). 

In addition, if Executive’s employment terminates without Cause pursuant to Section 3(a)(iv), or pursuant to
Section 3(a)(v) due to Executive’s resignation for Good Reason during the first two (2) years of the Term, 50% of all unvested Class B Units issued to Executive under the Plan shall accelerate and become
immediately vested effective as of the date of Executive’s Separation from Service (and the remaining 50% of all unvested Class B Units issued to Executive under the Plan shall be forfeited effective as of the date of Executive’s
Separation from Service). 
 (c) Termination Upon Death or Disability. If Executive’s employment shall terminate as a result of
Executive’s death pursuant to Section 3(a)(i) or Disability pursuant to Section 3(a)(ii), then Executive, or Executive’s estate, as applicable, shall receive the payments and benefits set
forth in Section 3(c) and Section 4(b)(ii). 
 (d) Survival. Notwithstanding
anything to the contrary in this Agreement, the provisions of Sections 5 through 9 and Section 11 will survive the termination of Executive’s employment and the termination of the Term. 

  
 5 

 5. Competition. Executive acknowledges that Executive has been provided with
Confidential Information (as defined below) and, during the Term, the Company from time to time will provide Executive with access to Confidential Information. Ancillary to the rights provided to Executive as set forth in this Agreement and the
Company’s provision of Confidential Information, and Executive’s agreements regarding the use of same, in order to protect the value of any Confidential Information, the Company and Executive agree to the following provisions against
unfair competition, which Executive acknowledges represent a fair balance of the Company’s rights to protect its business and Executive’s right to pursue employment: 

(a) Executive shall not, at any time during the Restriction Period (as defined below), directly or indirectly engage in, have any equity
interest in, interview for a potential employment or consulting relationship with or manage, provide services to or operate any person, firm, corporation, partnership or business (whether as director, officer, employee, agent, representative,
partner, security holder, consultant or otherwise) that engages in any business which competes with the Business (as defined below) in any geographic region in which the Company is engaged. Nothing herein shall prohibit Executive from being a
passive owner of not more than 5% of the outstanding equity interest in any entity that is publicly traded, so long as Executive has no active participation in the business of such entity. 

(b) Executive shall not, at any time during the Restriction Period, directly or indirectly, (i) solicit, divert or take away any
customers, clients, or business acquisition or other business opportunity of the Company in competition with Company, (ii) contact or solicit, with respect to hiring, or hire any employee of the Company or any person employed by the Company at
any time during the 12-month period immediately preceding the Date of Termination, (iii) induce or otherwise counsel, advise or encourage any employee of the Company to leave the employment of the
Company, or (iv) induce any distributor, representative or agent of the Company to terminate or modify its relationship with the Company. 

(c) In the event the terms of this Section 5 shall be determined by any court of competent jurisdiction to be
unenforceable by reason of its extending for too great a period of time or over too great a geographical area or by reason of its being too extensive in any other respect, it will be interpreted to extend only over the maximum period of time for
which it may be enforceable, over the maximum geographical area as to which it may be enforceable, or to the maximum extent in all other respects as to which it may be enforceable, all as determined by such court in such action. 

(d) As used in this Section 5, (i) the term “Company” shall include Cyxtera Technologies, Inc. and
its direct and indirect subsidiaries and controlled affiliates; (ii) the term “Business” shall mean the business of the Company as such business exists as of the date hereof and as such business may be expanded or altered by
the Company during the Term and specifically includes (A) providing (i) access and use rights to specified portions of the data centers to enable customers to locate and operate their customer colocation equipment therein, (ii) access to
electrical power necessary to operate such customer colocation equipment, (iii) connectivity of such customer colocation equipment to external communication networks, and (iv) ancillary services provided by Company during the Term in
connection with the installation and use of their customer colocation equipment, the connection of such customer colocation equipment to power sources or external communications networks, and maintaining or optimizing the operation or performance of
such customer colocation equipment, and (B) the respective businesses of Brainspace Corporation, Catbird Networks, Inc., Cryptzone Worldwide, Inc., and Easy Solutions Enterprises Corp., as such business may be expanded or altered during the
Term; and (iii) the term “Restriction Period” shall mean the period beginning on the Effective Date and ending on the date 12 months following the Date of Termination. 

  
 6 

 (e) Executive represents that Executive’s employment by the Company does not and will
not breach any agreement with any former employer, including any non-compete agreement or any agreement to keep in confidence or refrain from using information acquired by Executive prior to Executive’s
employment by the Company. During Executive’s employment by the Company, Executive agrees that Executive will not violate any non-solicitation agreements that Executive entered into with any former
employer or improperly make use of, or disclose, any information or trade secrets of any former employer or other third party, nor will Executive bring onto the premises of the Company or its affiliates or use any unpublished documents or any
property belonging to any former employer or other third party, in violation of any lawful agreements with that former employer or third party. 

(f) Each Party (which, in the case of the Company, shall mean its officers and the members of the Board) agrees, during the Term and following
the Date of Termination, to refrain from Disparaging (as defined below) the other Party and its affiliates, including, in the case of the Company, any of its services, technologies or practices, or any of its directors, officers, agents,
representatives or stockholders, either orally or in writing. Nothing in this paragraph shall preclude any Party from making truthful statements that are reasonably necessary to comply with applicable law, regulation or legal process, or to defend
or enforce a Party’s rights under this Agreement. For purposes of this Agreement, “Disparaging” means making remarks, comments or statements, whether written or oral, that impugn the character, integrity, reputation or abilities of
the Person being disparaged. 
 6. Nondisclosure of Proprietary Information. 

(a) Except in connection with the faithful performance of Executive’s duties hereunder or pursuant to
Section 6(c) and (e), Executive shall maintain in confidence and shall not directly, indirectly or otherwise, use, disseminate, disclose or publish, or use for Executive’s benefit or the benefit of any person,
firm, corporation or other entity (other than the Company) any confidential or proprietary information or trade secrets of or relating to the Company (including, without limitation, business plans, business strategies and methods, acquisition
targets, intellectual property in the form of patents, trademarks and copyrights and applications therefor, inventions, works, discoveries, improvements, information, documents, formulae, practices, processes, methods, developments, source code,
modifications, technology, techniques, data, programs, other know-how or materials, owned, developed or possessed by the Company, whether in tangible or intangible form, information with respect to the
Company’s operations, processes, products, inventions, business practices, finances, principals, vendors, suppliers, customers, potential customers, marketing methods, costs, prices, contractual relationships, regulatory status, prospects and
compensation paid to employees or other terms of employment) (collectively, the “Confidential Information”), or deliver to any person, firm, corporation or other entity any document, record, notebook, computer program or similar
repository of or containing any such Confidential Information. The Parties hereby stipulate and agree that, as between them, any item of Confidential Information is important, material and confidential and affects the successful conduct of the
businesses of the Company (and any successor or assignee of the Company). Notwithstanding the foregoing, Confidential Information shall not include any information that (i) has been published in a form generally available to the public or is
publicly available or has become public knowledge prior to the date Executive proposes to disclose or use such information, provided, that such publishing or public availability or knowledge of the Confidential Information shall not have resulted
from Executive directly or indirectly breaching Executive’s obligations under this Section 6(a); or (ii) was in Executive’s possession prior to the date hereof, provided, that this exception shall not apply
with respect to information concerning Brainspace Corporation, Catbird Networks, Inc., Cryptzone Worldwide, Inc., or Easy Solutions Enterprises Corp. or information learned in connection with the Company’s or its affiliates’ acquisition of
assets and subsidiaries from CenturyLink. For the purposes of clause (i) of the previous sentence, Confidential Information will not be deemed to have been published or otherwise disclosed merely because individual portions of the information
have been separately published, but only if material features comprising such information have been published or become publicly available. 

  
 7 

 (b) Upon termination of Executive’s employment with the Company for any reason,
Executive will promptly deliver to the Company all correspondence, drawings, manuals, letters, notes, notebooks, reports, programs, plans, proposals, financial documents, or any other documents or property concerning the Company’s customers,
business plans, marketing strategies, products, property or processes. 
 (c) Executive may respond to a lawful and valid subpoena or other
legal process but shall give the Company the earliest possible notice thereof, shall, as much in advance of the return date as possible, make available to the Company and its counsel the documents and other information sought and shall assist such
counsel at Company’s expense in resisting or otherwise responding to such process, in each case to the extent permitted by applicable laws or rules. 

(d) As used in this Section 6 and Section 7, the term “Company” shall
include Cyxtera Technologies, Inc. and its direct and indirect subsidiaries and controlled affiliates. 
 (e) Nothing in this Agreement shall
prohibit Executive from (i) disclosing information and documents when required by law, subpoena or court order (subject to the requirements of Section 6(c) above), (ii) disclosing information and documents to
Executive’s attorney, financial or tax adviser for the purpose of securing legal, financial or tax advice, (iii) disclosing Executive’s post-employment restrictions in this Agreement in confidence to any potential new employer, or
(iv) retaining, at any time, Executive’s personal correspondence, Executive’s personal contacts and documents related to Executive’s own personal benefits, entitlements and obligations. 

7. Inventions. 
 All rights to
discoveries, inventions, improvements and innovations (including all data and records pertaining thereto) related to the business of the Company, whether or not patentable, copyrightable, registrable as a trademark, or reduced to writing, that
Executive may discover, invent or originate during the Term, either during the course of performing work for the Companies or their clients or which are related in any manner to the business (commercial or experimental) of the Company or its
clients, either alone or with others and whether or not during working hours or by the use of the facilities of the Company (“Inventions”), shall be the exclusive property of the Company. Executive shall promptly disclose all
Inventions to the Company, shall execute at the request of the Company any assignments or other documents the Company may deem reasonably necessary to protect or perfect its rights therein, and shall assist the Company, upon reasonable request and
at the Company’s expense, in obtaining, defending and enforcing the Company’s rights therein. Executive hereby appoints the Company as Executive’s
attorney-in-fact to execute on Executive’s behalf any assignments or other documents reasonably deemed necessary by the Company to protect or perfect its rights to
any Inventions. 
 8. Injunctive Relief. 

It is recognized and acknowledged by Executive that a breach of the covenants contained in Sections 5, 6 and 7 will cause
irreparable damage to Company and its goodwill, the exact amount of which will be difficult or impossible to ascertain, and that the remedies at law for any such breach will be inadequate. Accordingly, Executive agrees that in the event of a breach
of any of the covenants contained in Sections 5, 6 and 7, in addition to any other remedy which may be available at law or in equity, the Company will be entitled to specific performance and injunctive relief without the
requirement to post bond. 

  
 8 

 9. Assignment and Successors. 

The Company may assign its rights and obligations under this Agreement to any of its controlled affiliates or to any corporation or other
entity with or into which the Company may hereafter merge or consolidate or to which the Company may transfer all or substantially all of its assets, and in any such case said corporation or other entity shall by operation of law or expressly in
writing assume all obligations of the Company hereunder as fully as if it had been originally made a party hereto, but no assignment will release the Company from this Agreement or any of its obligations hereunder. The Company may not otherwise
assign this Agreement or its rights and obligations hereunder. This Agreement shall be binding upon and inure to the benefit of the Company, Executive and their respective successors, assigns, personnel and legal representatives, executors,
administrators, heirs, distributees, devisees, and legatees, as applicable. None of Executive’s rights or obligations may be assigned or transferred by Executive, other than Executive’s rights to payments hereunder, which may be
transferred only by will or operation of law. Notwithstanding the foregoing, Executive shall be entitled, to the extent permitted under applicable law and applicable Company Arrangements, to select and change a beneficiary or beneficiaries to
receive compensation hereunder following Executive’s death by giving written notice thereof to the Company. 
 10. Certain Definitions.

 (a) Cause. The Company shall have “Cause” to terminate Executive’s employment hereunder upon: 

(i) Executive’s intentional and continued failure to substantially perform Executive’s material duties with the
Company (other than any such failure resulting from Executive’s Disability), which Executive fails to cure within thirty (30) days after receipt of notice of such failure if such failure is capable of being cured; 

(ii) Executive’s intentional breach (solely in Executive’s capacity as an executive of the Company) of a material
provision of this Agreement resulting in material economic harm to the Company, which Executive fails to cure within thirty (30) days after receipt of notice of such breach if such breach is capable of being cured; 

(iii) Executive’s conviction, plea of no contest or plea of nolo contendere for any felony involving dishonesty or a
breach of trust; or 
 (iv) Executive’s habitual, unlawful use of illegal drugs on the Company’s (or any of its
affiliate’s) premises or while performing Executive’s duties and responsibilities under this Agreement. 
 (b) Date of
Termination. “Date of Termination” shall mean (i) if Executive’s employment is terminated by Executive’s death, the date of Executive’s death; (ii) if Executive’s employment is terminated pursuant to
Section 3(a)(ii)—(vi) either the date indicated in the Notice of Termination or the date specified by the Company pursuant to Section 3(b), whichever is earlier. 

  
 9 

 (c) Disability. “Disability” shall mean, at any time the Company or any of
its affiliates sponsors a long-term disability plan for the Company’s employees, “disability” as defined in such long-term disability plan for the purpose of determining a participant’s eligibility for benefits, provided,
however, if the long-term disability plan contains multiple definitions of disability, “Disability” shall refer to that definition of disability which, if Executive qualified for such disability benefits, would provide coverage for the
longest period of time. The determination of whether Executive has a Disability shall be made by the person or persons required to make disability determinations under the long-term disability plan. At any time the Company does not sponsor a
long-term disability plan for its employees, Disability shall mean Executive’s inability to substantially perform his or her material duties for the Company as a result of incapacity due to mental or physical illness, which inability continues
for at least 120 consecutive calendar days and is determined to be total and permanent by a physician mutually agreed by the executive and the Company. Any refusal by Executive to submit to a medical examination for the purpose of determining
Disability shall be deemed to constitute conclusive evidence of Executive’s Disability. 
 (d) Good Reason. For the sole purpose
of determining Executive’s right to severance payments as described above, Executive’s resignation will be for “Good Reason” if Executive resigns within ninety days after any of the following events, unless Executive consents to
the applicable event: (i) a decrease in Executive’s Annual Base Salary, other than a reduction in Annual Base Salary of less than 10% that is implemented in connection with a contemporaneous reduction in annual base salaries affecting other
senior executives of the Company, (ii) a material decrease in Executive’s authority or areas of responsibility as are commensurate with Executive’s then-current title or position (other than in connection with a corporate transaction
where Executive continues to hold the position referenced in Section 1(c) above with respect to the Company’s business, substantially as such business exists prior to the date of consummation of such corporate
transaction, but does not hold such position with respect to the successor corporation), or (iii) relocation of Executive’s principal work location to a location more than 30 miles from Executive’s then-current principal location of
employment. Notwithstanding the foregoing, no Good Reason will have occurred unless and until Executive has: (a) provided the Company, within 60 days of Executive’s knowledge of the occurrence of the facts and circumstances underlying the
Good Reason event, written-notice stating with specificity the applicable facts and circumstances underlying such finding of Good Reason; and (b) provided the Company with an opportunity to cure the same within 30 days after the receipt of such
notice. 
 (e) Person. “Person” shall mean any individual, firm, corporation, partnership, limited liability company,
incorporated or unincorporated association, joint venture, joint stock company, trust, governmental authority or other entity of any kind. 
 11.
Miscellaneous Provisions. 
 (a) Governing Law. This Agreement shall be governed, construed, interpreted and enforced in
accordance with its express terms, and otherwise in accordance with the substantive laws of the State of Florida without giving effect to any choice or conflict of law provision or rule that would cause the application of the laws of any
jurisdiction other than those of the State of Florida. 
 (b) Validity. The invalidity or unenforceability of any provision or
provisions of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement, which shall remain in full force and effect. 

(c) Notices. Any notice, request, claim, demand, document and other communication hereunder to any Party shall be effective upon receipt
(or refusal of receipt) and shall be in writing and delivered personally or sent by facsimile or certified or registered mail, postage prepaid, as follows: 

  
 10 

 (i) If to the Company: 

Cyxtera Management, Inc. 

2333 Ponce De Leon Blvd., Suite 900 

Coral Gables, FL 33134 

Attention: Chief Legal Officer 

and copies to: 

BC Partners, Inc. 
 650 Madison
Avenue 
 New York, NY 10022 

Attention: Justin Bateman 

and 
 Medina Capital Advisors,
LLC 
 BAC Colonnade Office Towers 

2333 Ponce De Leon Blvd, Suite 900 

Coral Gables, FL, 33134 

Attention: Nelson Fonseca 
 and

 Latham & Watkins LLP 

885 Third Avenue 

New York, New York 10022-4834 

Attention: Raymond Lin and Eli Hunt 

(ii) If to Executive, at the last address that the Company has in its personnel records for Executive, or 

(iii) At any other address as any Party shall have specified by notice in writing to the other Party. 

(d) Counterparts. This Agreement may be executed in several counterparts, each of which shall be deemed to be an original, but all of
which together will constitute one and the same Agreement. Signatures delivered by facsimile shall be deemed effective for all purposes. 

(e) Entire Agreement. The terms of this Agreement are intended by the Parties to be the final expression of their agreement with respect
to the subject matter hereof and supersede all prior understandings and agreements, whether written or oral. The Parties further intend that this Agreement shall constitute the complete and exclusive statement of their terms and that no extrinsic
evidence whatsoever may be introduced in any judicial, administrative, or other legal proceeding to vary the terms of this Agreement. 
 (f)
Amendments; Waivers. This Agreement may not be modified, amended, or terminated except by an instrument in writing, signed by Executive and a duly authorized officer of Company. By an instrument in writing similarly executed, Executive or a
duly authorized officer of the Company may waive compliance by the other Party with any specifically identified provision of this Agreement that such other Party was or is obligated to comply with or perform; provided, however, that such
waiver shall not operate as a waiver of, or estoppel with respect to, any other or subsequent failure. No failure to exercise and no delay in exercising any right, remedy, or power hereunder preclude any other or further exercise of any other right,
remedy, or power provided herein or by law or in equity. 

  
 11 

 (g) No Inconsistent Actions. The Parties hereto shall not voluntarily undertake or
fail to undertake any action or course of action inconsistent with the provisions or essential intent of this Agreement. Furthermore, it is the intent of the Parties hereto to act in a fair and reasonable manner with respect to the interpretation
and application of the provisions of this Agreement. 
 (h) Construction. This Agreement shall be deemed drafted equally by both the
Parties. Its language shall be construed as a whole and according to its fair meaning. Any presumption or principle that the language is to be construed against any Party shall not apply. The headings in this Agreement are only for convenience and
are not intended to affect construction or interpretation. Any references to paragraphs, subparagraphs, sections or subsections are to those parts of this Agreement, unless the context clearly indicates to the contrary. Also, unless the context
clearly indicates to the contrary, (a) the plural includes the singular and the singular includes the plural; (b) “and” and “or” are each used both conjunctively and disjunctively; (c) “any,” “all,”
“each,” or “every” means “any and all,” and “each and every”; (d) “includes” and “including” are each “without limitation”; (e) “herein,” “hereof,”
“hereunder” and other similar compounds of the word “here” refer to the entire Agreement and not to any particular paragraph, subparagraph, section or subsection; and (f) all pronouns and any variations thereof shall be
deemed to refer to the masculine, feminine, neuter, singular or plural as the identity of the entities or persons referred to may require. 

(i) Arbitration. Any controversy, claim or dispute arising out of or relating to this Agreement, shall be settled solely and exclusively
by a binding arbitration process under the Florida Arbitration Code in Miami, Florida. Such arbitration shall be conducted: (a) by one arbitrator who is a retired judge shall be chosen by mutual consent of the parties or by the Court pursuant
to the Florida Arbitration code (b) each Party to the arbitration will pay one-half of the expenses and fees of the arbitrator, together with other expenses of the arbitration incurred or approved by the
arbitrator; and (c) arbitration may proceed in the absence of any Party if written notice of the proceedings has been given to such Party. Each Party shall bear its own attorney’s fees and expenses; provided that the arbitrator may assess
the prevailing Party’s fees and costs (including the fees and costs incurred by the arbitrator) against the non-prevailing Party as part of the arbitrator’s award. The Parties agree to abide by all
decisions and awards rendered in such proceedings. Such decisions and awards rendered by the arbitrator shall be final and conclusive. All such controversies, claims or disputes shall be settled in this manner in lieu of any action at law or equity;
provided, however, that nothing in this subsection shall be construed as precluding the bringing an action for injunctive relief or specific performance as provided in this Agreement. This dispute resolution process and any arbitration hereunder
shall be confidential and neither any Party nor the neutral arbitrator shall disclose the existence, contents or results of such process without the prior written consent of all Parties, except where necessary or compelled in a Court to enforce this
arbitration provision or an award from such arbitration or otherwise in a legal proceeding. Notwithstanding the foregoing, Executive and the Company each have the right to resolve any issue or dispute over intellectual property rights by Court
action instead of arbitration. 
 (j) Enforcement. If any provision of this Agreement is held to be illegal, invalid or unenforceable
under present or future laws effective during the Term, such provision shall be fully severable; this Agreement shall be construed and enforced as if such illegal, invalid or unenforceable provision had never comprised a portion of this Agreement;
and the remaining provisions of this Agreement shall remain in full force and effect and shall not be affected by the illegal, invalid or unenforceable provision or by its severance from this Agreement. Furthermore, in lieu of such illegal, invalid
or unenforceable provision there shall be added automatically as part of this Agreement a provision as similar in terms to such illegal, invalid or unenforceable provision as may be possible and be legal, valid and enforceable. 

  
 12 

 (k) Indemnification; Insurance. The Company shall defend, indemnify and hold
Executive harmless from any and all liabilities, obligations, claims or expenses which arise in connection with or as a result of Executive’s service as an officer of the Company to the greatest extent allowed by law. During the Term and for a
period of at least six years thereafter, Executive shall be entitled to the same directors and officers’ liability insurance coverage that the Company provides generally to its other directors and officers, as may be amended from time to time.

 (l) Withholding. The Company shall be entitled to withhold from any amounts payable under this Agreement any federal, state, local
or foreign withholding or other taxes or charges which the Company is required to withhold. The Company shall be entitled to rely on an opinion of counsel if any questions as to the amount or requirement of withholding shall arise. 

(m) Section 409A. 

(i) General. The intent of the Parties is that the payments and benefits under this Agreement comply with or be exempt
from Section 409A of the Internal Revenue Code of 1986, as amended, and the regulations and guidance promulgated thereunder (collectively, “Section 409A”) and, accordingly, to the maximum extent permitted, this
Agreement shall be interpreted to be in compliance therewith. 
 (ii) Separation from Service. Notwithstanding
anything in this Agreement to the contrary, any compensation or benefits payable under this Agreement that is considered nonqualified deferred compensation under Section 409A and is designated under this Agreement as payable upon
Executive’s termination of employment shall be payable only upon Executive’s “separation from service” with the Company within the meaning of Section 409A (a “Separation from Service”) and, except as
provided below, any such compensation or benefits described in Section 4 shall not be paid, or, in the case of installments, shall not commence payment, until the thirtieth (30th) day following Executive’s Separation
from Service (the “First Payment Date”). Any installment payments that would have been made to Executive during the thirty (30) day period immediately following Executive’s Separation from Service but for the preceding
sentence shall be paid to Executive on the First Payment Date and the remaining payments shall be made as provided in this Agreement. 

(iii) Specified Employee. Notwithstanding anything in this Agreement to the contrary, if Executive is deemed by the
Company at the time of Executive’s Separation from Service to be a “specified employee” for purposes of Section 409A, to the extent delayed commencement of any portion of the benefits to which Executive is entitled under this
Agreement is required in order to avoid a prohibited distribution under Section 409A, such portion of Executive’s benefits shall not be provided to Executive prior to the earlier of (i) the expiration of the six-month period measured from the date of Executive’s Separation from Service with the Company or (ii) the date of Executive’s death. Upon the first business day following the expiration of the
applicable Section 409A period, all payments deferred pursuant to the preceding sentence shall be paid in a lump sum to Executive (or Executive’s estate or beneficiaries), and any remaining payments due to Executive under this Agreement
shall be paid as otherwise provided herein. 

  
 13 

 (iv) Expense Reimbursements. To the extent that any reimbursements
under this Agreement are subject to Section 409A, any such reimbursements payable to Executive shall be paid to Executive no later than December 31 of the year following the year in which the expense was incurred; provided, that Executive
submits Executive’s reimbursement request promptly following the date the expense is incurred, the amount of expenses reimbursed in one year shall not affect the amount eligible for reimbursement in any subsequent year, other than medical
expenses referred to in Section 105(b) of the Code, and Executive’s right to reimbursement under this Agreement will not be subject to liquidation or exchange for another benefit. 

(v) Installments. Executive’s right to receive any installment payments under this Agreement, including without
limitation any continuation salary payments that are payable on Company payroll dates, shall be treated as a right to receive a series of separate payments and, accordingly, each such installment payment shall at all times be considered a separate
and distinct payment as permitted under Section 409A. Except as otherwise permitted under Section 409A, no payment hereunder shall be accelerated or deferred unless such acceleration or deferral would not result in additional tax or
interest pursuant to Section 409A. 
 12. Executive Acknowledgement. 

Executive acknowledges that Executive has read and understands this Agreement, is fully aware of its legal effect, has not acted in reliance
upon any representations or promises made by the Company other than those contained in writing herein, and has entered into this Agreement freely based on Executive’s own judgment. 

[Signature Page Follows] 

  
 14 

 IN WITNESS WHEREOF, the Parties have executed this Agreement on the date and year first
above written. 
  

			
	COMPANY
	
	Cyxtera Management, Inc.
		
	 By:
	 	/s/ Victor F. Semah
		 	 Name: Victor F. Semah

		 	 Title: EVP, CLO & Secretary

	
	EXECUTIVE
		
	 By:
	 	/s/ Randy Rowland
		 	 Randy Rowland

	
	PARENT
	
	(Solely for purposes of Section 2(g))
	
	 SIS Holdings LP

		
	 By:
	 	 SIS Holdings GP, LLC its General Partner

		
	 By:
	 	/s/ Victor F. Semah
		 	 Name: Victor F. Semah

		 	 Title: EVP, CLO & Secretary

  
 [Signature Page to
Employment Agreement] 

 EXHIBIT A 

Separation Agreement and Release 

This Separation Agreement and Release (“Agreement”) is made by and between Randy Rowland (“Executive”) and
Cyxtera Management, Inc., a Delaware corporation (the “Company”) (collectively, referred to as the “Parties” or individually referred to as a “Party”). Capitalized terms used but not defined in this
Agreement shall have the meanings set forth in the Employment Agreement (as defined below). 
 WHEREAS, the Parties have previously entered
into that certain Employment Agreement, dated as of May 8, 2017 (the “Employment Agreement’’); and 
 WHEREAS, in
connection with Executive’s termination of employment with the Company or a subsidiary or affiliate of the Company effective             ,
20        , the Parties wish to resolve any and all disputes, claims, complaints, grievances, charges, actions, petitions, and demands that Executive may have against the Company and any of the
Releasees as defined below, including, but not limited to, any and all claims arising out of or in any way related to Executive’s employment with or separation from the Company or its subsidiaries or affiliates but, for the avoidance of doubt,
nothing herein will be deemed to release any rights or remedies in connection with Executive’s ownership of vested equity securities of the Company or one of its affiliates or Executive’s right to indemnification by the Company or any of
its affiliates pursuant to contract or applicable law (collectively, the “Retained Claims”). 
 NOW, THEREFORE, in
consideration of the severance payments and benefits described in Section 4(b) of the Employment Agreement, which, pursuant to the Employment Agreement, are conditioned on Executive’s execution and
non-revocation of this Agreement, and in consideration of the mutual promises made herein, the Company and Executive hereby agree as follows: 

1. Severance Payments; Salary and Benefits. The Company agrees to provide Executive with the severance payments and benefits described
in Section 4(b) of the Employment Agreement, payable at the times set forth in, and subject to the terms and conditions of, the Employment Agreement. In addition, to the extent not already paid, and subject to the terms and conditions of the
Employment Agreement, the Company shall pay or provide to Executive all other payments or benefits described in Section 3(c) of the Employment Agreement, subject to and in accordance with the terms thereof. 

2. Release of Claims. Executive agrees that, other than with respect to the Retained Claims, the foregoing consideration represents
settlement in full of all outstanding obligations owed to Executive by the Company, any of its direct or indirect subsidiaries and affiliates (including, without limitation, BC Partners Limited and its affiliated entities), and any of their current
and former officers, directors, equity holders, managers, employees, agents, investors, attorneys, shareholders, administrators, affiliates, benefit plans, plan administrators, insurers, trustees, divisions, and subsidiaries and predecessor and
successor corporations and assigns (collectively, the “Releasees”). Executive, on his own behalf and on behalf of any of Executive’s affiliated companies or entities and any of their respective heirs, family members, executors,
agents, and assigns, other than with respect to the Retained Claims, hereby and forever releases the Releasees from, and agrees not to sue concerning, or in any manner to institute, prosecute, or pursue, any claim, complaint, charge, duty,
obligation, or cause of action relating to any matters of any kind, whether presently known or unknown, suspected or unsuspected, that Executive may possess against any of the Releasees arising from any omissions, acts, facts, or damages that have
occurred up until and including the Effective Date of this Agreement (as defined in Section 7 below), including, without limitation: 

  
 A-1 

 (a) any and all claims relating to or arising from Executive’s employment or service
relationship with the Company or any of its direct or indirect subsidiaries or affiliates and the termination of that relationship; 
 (b)
any and all claims relating to, or arising from, Executive’s right to purchase, or actual purchase of any shares of stock or other equity interests of the Company or any of its affiliates, including, without limitation, any claims for fraud,
misrepresentation, breach of fiduciary duty, breach of duty under applicable state corporate law, and securities fraud under any state or federal law; 

(c) any and all claims for wrongful discharge of employment; termination in violation of public policy; discrimination; harassment;
retaliation; breach of contract, both express and implied; breach of covenant of good faith and fair dealing, both express and implied; promissory estoppel; negligent or intentional infliction of emotional distress; fraud; negligent or intentional
misrepresentation; negligent or intentional interference with contract or prospective economic advantage; unfair business practices; defamation; libel; slander; negligence; personal injury; assault; battery; invasion of privacy; false imprisonment;
conversion; and disability benefits; 
 (d) any and all claims for violation of any federal, state, or municipal statute, including, but not
limited to, Title VII of the Civil Rights Act of 1964; the Civil Rights Act of 1991; the Rehabilitation Act of 1973; the Americans with Disabilities Act of 1990; the Equal Pay Act; the Fair Credit Reporting Act; the Age Discrimination in Employment
Act of 1967; the Older Workers Benefit Protection Act; the Employee Retirement Income Security Act of 1974; the Worker Adjustment and Retraining Notification Act; the Family and Medical Leave Act; and the Sarbanes-Oxley Act of 2002; 

(e) any and all claims for violation of the federal or any state constitution; 

(f) any and all claims arising out of any other laws and regulations relating to employment or employment discrimination; 

(g) any claim for any loss, cost, damage, or expense arising out of any dispute over the
non-withholding or other tax treatment of any of the proceeds received by Executive as a result of this Agreement; and 

(h) any and all claims for attorneys’ fees and costs. 

Executive agrees that the release set forth in this section shall be and remain in effect in all respects as a complete general release as to the matters
released. This release does not release claims that cannot be released as a matter of law, including, but not limited to, Executive’s right to file a charge with or participate in a charge by the Equal Employment Opportunity Commission, or any
other local, state, or federal administrative body or government agency that is authorized to enforce or administer laws related to employment, against the Company (with the understanding that Executive’s release of claims herein bars Executive
from recovering such monetary relief from the Company or any Releasee), claims for unemployment compensation or any state disability insurance benefits pursuant to the terms of applicable state law, claims to continued participation in certain of
the Company’s group benefit plans pursuant to the terms and conditions of COBRA, claims to any benefit entitlements vested as the date of separation of Executive’s employment, pursuant to written terms of any employee benefit plan of the
Company or its affiliates, Executive’s right to report possible violations of federal law or regulation to any governmental agency or entity in accordance with the whistleblower protection provisions of state or United States federal law or
regulation (including the right to receive an award for information provided to any such government agencies) and Executive’s right under applicable law and any Retained Claims. This release further does not release claims for breach of
Section 3(c) or 
Section 4(b) of the Employment Agreement. 

  
 A-2 

 3. Acknowledgment of Waiver of Claims under ADEA. Executive understands and
acknowledges that Executive is waiving and releasing any rights Executive may have under the Age Discrimination in Employment Act of 1967 (“ADEA”), and that this waiver and release is knowing and voluntary. Executive understands and
agrees that this waiver and release does not apply to any rights or claims that may arise under the ADEA after the Effective Date of this Agreement. Executive understands and acknowledges that the consideration given for this waiver and release is
in addition to anything of value to which Executive was already entitled. Executive further understands and acknowledges that Executive has been advised by this writing that: (a) Executive should consult with an attorney prior to executing this
Agreement; (b) Executive has 21 days within which to consider this Agreement; (c) Executive has 7 days following Executive’s execution of this Agreement to revoke this Agreement pursuant to written notice to the General Counsel of the
Company; (d) this Agreement shall not be effective until after the revocation period has expired; and (e) nothing in this Agreement prevents or precludes Executive from challenging or seeking a determination in good faith of the validity
of this waiver under the ADEA, nor does it impose any condition precedent, penalties, or costs for doing so, unless specifically authorized by federal law. In the event Executive signs this Agreement and returns it to the Company in less than the 21
day period identified above, Executive hereby acknowledges that Executive has freely and voluntarily chosen to waive the time period allotted for considering this Agreement. 

4. Severability. In the event that any provision or any portion of any provision hereof or any surviving agreement made a part hereof
becomes or is declared by a court of competent jurisdiction or arbitrator to be illegal, unenforceable, or void, this Agreement shall continue in full force and effect without said provision or portion of provision. 

5. No Oral Modification. This Agreement may only be amended in a writing signed by Executive and a duly authorized officer of the
Company. 
 6. Governing Law; Dispute Resolution. This Agreement shall be subject to the provisions of Sections 11(a), 11(c) and 1
l(i) of the Employment Agreement. 
 7. Effective Date. If Executive has attained or is over the age of 40 as of the date of
Executive’s termination of employment, then each Party has seven days after that Party signs this Agreement to revoke it and this Agreement will become effective on the eighth day after Executive signed this Agreement, so long as it has been
signed by the Parties and has not been revoked by either Party before that date (the “Effective Date”). If Executive has not attained the age of 40 as of the date of Executive’s termination of employment, then the
“Effective Date” shall be the date on which Executive signs this Agreement. 
 8. Voluntary Execution of Agreement.
Executive understands and agrees that Executive executed this Agreement voluntarily, without any duress or undue influence on the part or behalf of the Company or any third party, with the full intent of releasing all of Executive’s claims
against the Company and any of the other Releasees. Executive acknowledges that: (a) Executive has read this Agreement; (b) Executive has not relied upon any representations or statements made by the Company that are not specifically set
forth in this Agreement; (c) Executive has been represented in the preparation, negotiation, and execution of this Agreement by legal counsel of his own choice or has elected not to retain legal counsel; (d) Executive understands the terms
and consequences of this Agreement and of the releases it contains; and (e) Executive is fully aware of the legal and binding effect of this Agreement. 

[Signature Page Follows] 

  
 A-3 

 IN WITNESS WHEREOF, the Parties have executed this Agreement on the respective dates set
forth below. 
  

							
		 		 	EXECUTIVE
			
	 Dated:
                    
	 		 	 
		 		 	Randy Rowland
			
	 	 	 	 	COMPANY
			
	 	 	 	 	Cyxtera Management, Inc.
				
	 Dated:
                    
	 		 	By:	 	 
		 		 		 	 Name:

Title:

  
 A-4

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