Document:

EX-10.4

 Exhibit 10.4 

Execution Version 
 FIRST
LIEN AMENDMENT NO. 3, dated as of December 22, 2015 (this “First Lien Amendment No. 3”) to the First Lien Credit Agreement (as defined below), by and among DTZ UK GUARANTOR LIMITED, a private limited
company incorporated under the laws of England and Wales with company number 09187412 (“Holdings”), DTZ U.S. BORROWER, LLC, a Delaware limited liability company (the “U.S. Borrower” and/or the
“Borrower Representative”), DTZ AUS HOLDCO PTY LIMITED ACN 602 106 936, a proprietary company limited by shares incorporated under the laws of Australia (the “Australian Borrower” and,
collectively with U.S. Borrower, the “Borrowers”), UBS AG, STAMFORD BRANCH, as the Incremental Term Lender hereunder (in such capacity, the “2015-2 Incremental
Term Lender”), and UBS AG, STAMFORD BRANCH, in its capacity as Administrative Agent and, for purposes of Sections 4, 8, 9, 10, 11, 12 and 13 hereof only, each of the other Loan Parties party as of the date hereof. 

PRELIMINARY STATEMENTS 

A. Reference is made to the Syndicated Facility Agreement (First Lien), dated as of November 4, 2014 (as amended, supplemented, amended
and restated or otherwise modified from time to time through the date hereof, the “First Lien Credit Agreement”), by and among Holdings, the Borrowers, the Administrative Agent and each Lender from time to time party thereto,
pursuant to which the Lenders (as defined in the First Lien Credit Agreement) have extended credit to the Borrowers. 
 B. Pursuant to
Section 2.14(a) of the First Lien Credit Agreement, the Borrower Representative hereby notifies the Administrative Agent and the Lenders that it is requesting that the 2015-2 Incremental Term Lender
provide Incremental Term Commitments in an aggregate principal amount equal to $75,000,000 (such Incremental Term Commitments in such aggregate principal amount, the “2015-2 Incremental Term
Commitments”) on the terms set forth in this First Lien Amendment No. 3. By its signature hereof, the 2015-2 Incremental Term Lender hereby provides the
2015-2 Incremental Term Commitments. 
 C. Whereas Section 2.14(f) of the First Lien Credit
Agreement permits an Incremental Amendment to, without the consent of any other Loan Party, Agent or Lender, effect such other amendments to the First Lien Credit Agreement and the other Loan Documents as may be necessary or appropriate, in the
reasonable opinion of the Administrative Agent and the Borrower Representative, to effect the provisions of Section 2.14. 
 D. The
Borrowers, Holdings, the Second Lien Administrative Agent, certain of the incremental term lenders party thereto and each other Loan Party propose to enter into an amendment to the Second Lien Credit Agreement (the “Second Lien
Amendment No. 3” and, collectively with this First Lien Amendment No. 3, the “2015-2 Incremental Amendments”) for the Borrowers to obtain
Incremental Loans (as defined in the Second Lien Credit Agreement) in an aggregate principal amount equal to $25,000,000 (the “2015-3 Second Lien Incremental Term Loans”). 

E. UBS Securities LLC (“UBS Securities”), J.P. Morgan Securities LLC (“J.P. Morgan”),
Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”), Citi (as defined below), Credit Agricole Corporate and Investment Bank (acting through such

 
affiliates or branches as it deems appropriate, “Credit Agricole CIB”), Credit Suisse Securities (USA) LLC (“CS Securities”), HSBC Securities (USA)
Inc. (“HSBC Securities”), Mizuho Bank, Ltd. (“Mizuho”) and Morgan Stanley Senior Funding, Inc. (“MSSF”, and together with UBS Securities, J.P. Morgan, Merrill Lynch, Citi, Credit Agricole CIB, CS
Securities, HSBC Securities, Mizuho and MSSF, the “First Lien Amendment No. 3 Arrangers”) shall act as the joint lead arrangers and bookrunners (with UBS Securities acting as “lead left” arranger
and bookrunner) with respect to the 2015-2 Incremental Term Loans and the transactions relating to such 2015-2 Incremental Term Loans (for the purposes of this First
Lien Amendment No. 3, “Citi” shall mean Citigroup Global Markets, Inc. (“CGMI”), Citibank, N.A., Citigroup USA, Inc., Citigroup North America, Inc. and/or any of their affiliates as any of them shall determine to be
appropriate to provide the services with respect to the 2015-2 Incremental Term Loans). 
 NOW,
THEREFORE, in consideration of the premises and agreements, provisions and covenants herein contained, the undersigned parties agree as follows: 

SECTION 1. Definitions. Capitalized terms not otherwise defined in this First Lien Amendment No. 3 shall have the same
meanings specified in the First Lien Credit Agreement. The provisions of Section 1.02 of the First Lien Credit Agreement are hereby incorporated by reference herein, mutatis mutandis. 

SECTION 2. Incremental Term Loans. 

(a) This First Lien Amendment No. 3 constitutes an “Incremental Amendment” pursuant to Section 2.14 of the First Lien
Credit Agreement and a “Loan Document”. 
 (b) Subject to the terms and conditions set forth herein, the 2015-2 Incremental Term Lender agrees to make Incremental Term Loans to the Borrowers on the First Lien Amendment No. 3 Effective Date (as defined below) in an aggregate principal amount equal to the aggregate
principal amount of the 2015-2 Incremental Term Commitments (such Incremental Term Loans, the “2015-2 Incremental Term Loans”), subject to
the conditions set forth in Section 5 hereof. From and after the making thereof, the 2015-2 Incremental Term Loans shall have terms and provisions (including without limitation, as to interest, maturity,
premiums and repayments) identical to the 2015-1 Term Loans outstanding under the First Lien Credit Agreement immediately prior to the First Lien Amendment No. 3 Effective Date and each reference to the 2015-1 Term Loans and the 2015-1 Term Lenders in the Credit Agreement and each other Loan Document shall be deemed to include the
2015-2 Incremental Term Loans and the 2015-2 Incremental Term Lender, in each case, except as otherwise expressly set forth in this First Lien Incremental Amendment
No. 3. The 2015-1 Term Loans and the 2015-2 Incremental Term Loans shall constitute the same Class of Loans and the
2015-1 Term Lenders and 2015-2 Incremental Term Lender shall constitute the same Class of Lenders. 

(c) The following definitions shall be deemed to be added to Section 1.01 of the First Lien Credit Agreement effective as of the First
Lien Amendment No. 3 Effective Date: 
 “2015-2 Incremental Term Loans”
has the meaning assigned in First Lien Amendment No. 3. 

  
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 “First Lien Amendment No. 3” means Amendment
No. 3 to this Agreement dated December 22, 2015. 
 “First Lien Amendment No. 3 Arrangers”
has the meaning assigned in First Lien Amendment No. 3. 
 “First Lien Amendment No. 3 Effective
Date” has the meaning assigned in First Lien Amendment No. 3. 
 (d) The following definition shall be deemed to be amended and
restated in Section 1.01 of the First Lien Credit Agreement effective as of the First Lien Amendment No. 3 Effective Date: 

“Qualified Lender” means, a Lender providing an accurate representation in its Assignment and Assumption (or,
for Lenders that were Lenders prior to the First Lien Amendment No. 2 Effective Date, a Lender that has delivered valid withholding forms and documentation prior to the First Lien Amendment No. 2 Effective Date establishing) that such
Lender would be entitled to a full exemption from U.S. federal withholding tax with respect to payments of interest under this Agreement (if such interest were treated as from sources within the United States under Section 861 of the Code) as
of (A) the Closing Date (or as of the Delayed Draw Funding Date or the date of assignment pursuant to Section 10.07(b) in the case of a Lender that is not a Lender immediately prior to the Delayed Draw Funding Date or the date of such
assignment, as applicable) with respect to the Loans other than the 2015-1 Term Loans, (B) the First Lien Amendment No. 2 Effective Date (or the date of assignment pursuant to Section 10.07(b)
in the case of a Lender that is not a Lender immediately prior to the date of such assignment) with respect to the 2015-1 Term Loans (other than 2015-2 Incremental Term
Loans) or (C) the First Lien Amendment No. 3 Effective Date (or the date of assignment pursuant to Section 10.07(b) in the case of a Lender that is not a Lender immediately prior to the date of such assignment) with respect to the 2015-2 Incremental Term Loans. 
 (e) Section 2.14(e)(iii) shall be amended by adding “It is
agreed and understood for purposes of this Section 2.14(e)(iii) that the All-In Yield of the 2015-2 Incremental Term Loans shall be deemed to equal the All-In Yield of the 2015-1 Term Loans (after giving effect to the first parenthetical phrase of the immediately preceding sentence).” as a new last sentence of such
Section 2.14(e)(iii), effective as of the First Lien Amendment No. 3 Effective Date. 
 (f) The following subclauses of
Section 10.26 of the First Lien Credit Agreement shall be amended and restated as follows, effective as of the First Lien Amendment No. 3 Effective Date: 

(i) 10.26(a)(i): “On behalf of the Borrowers, the Arrangers have in the aggregate made invitations to become a Lender
under this Agreement as it existed at November 4, 2014 and prior to the incorporation of the 2015-1 Revolving Commitment Increase, the 2015-1 Term Loans and the 2015-2 Incremental Term Loans: (x) to at least ten Persons, each of whom, as at the date the relevant invitation was made, the relevant officers of the Arrangers involved in the transaction on a day to day
basis believed 

  
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carried on the business of providing finance or investing or dealing in securities in the course of operating in financial markets, and each of whom was disclosed to the Australian Borrower, or
(y) in an electronic form that was used by financial markets for dealing in debentures or debt interests such as Reuters or Bloomberg.” 

(ii) 10.26(b)(i): “On behalf of the Borrowers, the First Lien Amendment No. 2 Arrangers have in the aggregate made
invitations to become a Lender under this Agreement as it existed at September 1, 2015 and prior to the incorporation of the 2015-2 Incremental Term Loans (but including in connection with the 2015-1 Revolving Commitment Increase and the 2015-1 Term Loans): (x) to at least ten Persons, each of whom, as at the date the relevant invitation was made, the relevant
officers of the First Lien Amendment No. 2 Arrangers involved in the transaction on a day to day basis believed carried on the business of providing finance or investing or dealing in securities in the course of operating in financial markets,
and each of whom was disclosed to the Australian Borrower, or (y) in an electronic form that was used by financial markets for dealing in debentures or debt interests such as Reuters or Bloomberg.” 

(iii) 10.26(b)(ii): “At least ten of the Persons to whom the First Lien Amendment No. 2 Arrangers in the aggregate
(on behalf of the Borrowers) have made invitations referred to in Section 10.26(b)(i) were not, as at the date the invitations were made, to the knowledge of the relevant officers of the First Lien Amendment No. 2 Arrangers involved in the
transaction, Associates of any of the others of those ten invitees or any of the Arrangers or First Lien Amendment No. 2 Arrangers.” 

(iv) 10.26(b)(iii): “As of September 1, 2015, none of the First Lien Amendment No. 2 Arrangers had made
invitations referred to in Section 10.26(b)(i) to any Person that was, to the knowledge of the relevant officers of the First Lien Amendment No. 2 Arrangers involved in the transaction on a day to day basis, an Offshore Associate of the
Australian Borrower. Nor has any First Lien Amendment No. 2 Arranger, in the event that it made an additional invitation to become a Lender under this Agreement to any Person after September 1, 2015and before the end of any syndication
period agreed with respect to the 2015-1 Revolving Commitment Increase and the 2015-1 Term Loans, made such invitation to any Person that was, to the knowledge of the
relevant officers of the First Lien Amendment No. 2 Arranger involved in the transaction on a day to day basis, an Offshore Associate of the Australian Borrower or any Lender.” 

(v) 10.26(c): “The First Lien Amendment No. 3 Arrangers undertake, represent and warrant to the Australian Borrower
as follows: 
 (i) On behalf of the Borrowers, the First Lien Amendment No. 3 Arrangers have in the aggregate made
invitations to become a Lender under this Agreement in connection with the 2015-2 Incremental Term Loans: (x) to at least ten Persons, each of whom, as at the date the relevant invitation is made, the
relevant officers of the First Lien Amendment No. 3 Arrangers involved in the transaction on a day to day basis believe carries on the business of providing finance or investing or dealing in securities in the course of

  
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operating in financial markets, and each of whom has been disclosed to the Australian Borrower, or (y) in an electronic form that is used by financial markets for dealing in debentures or
debt interests such as Reuters or Bloomberg. 
 (ii) At least ten of the Persons to whom the First Lien Amendment No. 3
Arrangers in the aggregate (on behalf of the Borrowers) have made invitations referred to in Section 10.26(c)(i) are not, as at the date the invitations are made, to the knowledge of the relevant officers of the First Lien Amendment No. 3
Arrangers involved in the transaction, Associates of any of the others of those ten invitees or any of the Arrangers or First Lien Amendment No. 3 Arrangers. 

(iii) As of the First Lien Amendment No. 3 Effective Date, none of the First Lien Amendment No. 3 Arrangers have made
invitations referred to in Section 10.26(c)(i) to any Person that is, to the knowledge of the relevant officers of the First Lien Amendment No. 3 Arrangers involved in the transaction on a day to day basis, an Offshore Associate of the
Australian Borrower. Nor will any First Lien Amendment No. 3 Arranger, in the event that it makes an additional invitation to become a Lender under this Agreement to any Person after the First Lien Amendment No. 3 Effective Date and before
the end of any syndication period agreed with respect to the 2015-2 Incremental Term Loans (such period not to exceed forty-five (45) days after the First Lien Amendment No. 3 Effective Date), make
such invitation to any Person that was, to the knowledge of the relevant officers of the First Lien Amendment No. 3 Arrangers involved in the transaction on a day to day basis, an Offshore Associate of the Australian Borrower or any
Lender.” 
 (vi) 10.26(d): “The Australian Borrower confirms that none of the entities whose names were disclosed
to it in writing by the Arrangers at least 3 Business Days before November 4, 2014 (or (i) by the First Lien Amendment No. 2 Arrangers at least 3 Business Days before the First Lien Amendment No. 2 Effective Date; or (ii) by
the First Lien Amendment No. 3 Arrangers at least 3 Business Days before First Lien Amendment No. 3 Effective Date) were known or suspected by it to be an Offshore Associate of it or an Associate of any other such invitee, other than those
which have been notified to the Arrangers (or the First Lien Amendment No. 2 Arrangers or the First Lien Amendment No. 3 Arrangers, as the case may be) by the Australian Borrower on or before November 4, 2014 (or, (i) in the case of
the First Lien Amendment No. 2 Arrangers, the First Lien Amendment No. 2 Effective Date; or (ii) in the case of the First Lien Amendment No. 3 Arrangers, the First Lien Amendment No. 3 Effective Date (for the avoidance of
doubt, without limiting the Arrangers’, the First Lien Amendment No. 2 Arrangers’ or the First Lien Amendment No. 3 Arrangers’ obligations under this Section 10.26).” 

(g) Section of 10.26(e) of the First Lien Credit Agreement shall be amended, effective as of the First Lien Amendment No. 3 Effective
Date, by (i) adding “or Section 10.26(c)(i)(x)” after “Section 10.26(b)(i)(x)” and (ii) replacing the “or” appearing before “Section 10.26(b)(i)(x)” with “,”. 

  
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 (h) Section of 10.26(f) of the First Lien Credit Agreement shall be amended, effective as of the
First Lien Amendment No. 3 Effective Date, by adding “, First Lien Amendment No. 3 Arranger” after “First Lien Amendment No. 2 Arranger” and by adding “, First Lien Amendment No. 3 Arrangers” after
“First Lien Amendment No. 2 Arrangers” appearing in such Section 10.26(f). 
 (i) Exhibits
D-1 [Form of Assignment and Assumption] and D-2 [Form of Affiliated Lender Assignment and Assumption] to the First Lien Credit Agreement shall be amended, effective as
of the First Lien Amendment No. 3 Effective Date by adding “, First Lien Amendment No. 3 Arrangers” after “Arranger” appearing in such Exhibits D-1 and D-2, respectively. 
 SECTION 3. Amortization. Section 2.07(a) of the First Lien Credit
Agreement shall be amended and restated as follows: 
 “The Borrower shall repay to the Administrative Agent for the ratable account of
the Appropriate Lenders (which Appropriate Lenders shall be, for the avoidance of doubt, the Lenders holding 2015-1 Term Loans and 2015-2 Incremental Term
Loans) (i) on the last Business Day of each March, June, September and December, commencing with the last Business Day of December 2015, an aggregate principal amount equal to 0.25% of the product of (x) the sum of (I) the aggregate
principal amount of all 2015-1 Term Loans outstanding immediately prior to the First Lien Amendment No. 3 Effective Date and (II) the aggregate principal amount of
2015-2 Incremental Term Loans made on the First Lien Amendment No. 3 Effective Date and (y) a fraction, the numerator of which is the aggregate principal amount of the
2015-1 Term Loans made or converted from other loans on the First Lien Amendment No. 2 Effective Date and the denominator of which is equal to the aggregate principal amount of 2015-1 Term Loans outstanding immediately prior to the First Lien Amendment No. 3 Effective Date, after such product is rounded up to the nearest full Dollar (for the avoidance of doubt, and rounding to the
nearest full Dollar, such repayment amount shall be, from and after the First Lien Amendment No. 3 Effective Date, $4,691,095 on each such last Business Day of March, June, September and December) (which payments shall be reduced as a result of
the application of prepayments in accordance with the order of priority set forth in Section 2.05) and (ii) on the Maturity Date for the 2015-1 Term Loans, the aggregate principal amount of all 2015-1 Term Loans and 2015-2 Incremental Term Loans outstanding on such date.” 

SECTION 4. Acknowledgments and Reaffirmation. Each Loan Party hereunder hereby expressly acknowledges and agrees to the terms of
this First Lien Amendment No. 3 and reaffirms, as of the date hereof, (i) the covenants and agreements contained in this First Lien Amendment No. 3 and each Loan Document to which it is a party, including, in each case, such covenants
and agreements as in effect immediately after giving effect to this First Lien Amendment No. 3 and the transactions contemplated hereby and (ii) its guarantee of the Obligations (including, without limitation, the 2015-2 Incremental Term Loans and its grant of Liens on the Collateral to secure the Obligations (including, without limitation, the Obligations with respect to 2015-2
Incremental Term Loans)) pursuant to the Loan Documents; provided that no Loan Party makes any representation or warranty on the First Lien Amendment No. 3 

  
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Effective Date as to the pledge or creation of any security interest, or the effects of perfection or non-perfection, the priority or enforceability of any
pledge or security interest to the extent such pledge or perfection is required pursuant to Schedule B on the First Lien Amendment No. 3 Effective Date until so required pursuant to Schedule B. 

SECTION 5. Conditions to Effectiveness. This First Lien Amendment No. 3 shall become effective (the “First
Lien Amendment No. 3 Effective Date”) on the date when: 
 (a) the Administrative Agent (or its counsel)
receives the following on or before the First Lien Amendment No. 3 Effective Date, each properly executed and delivered: 

(i) (A) from each Loan Party organized in the United States, United Kingdom, Australia, Luxembourg, the Netherlands,
Ireland, the British Virgin Islands and the Cayman Islands, in each case, executed counterparts of this First Lien Amendment No. 3 and (B) from the 2015-2 Incremental Term Lender and the
Administrative Agent (in its capacity as such), executed counterparts of this First Lien Amendment No. 3; 
 (ii) each
Collateral Document set forth on Schedule A hereto, duly executed by each applicable Loan Party; 
 (iii) a duly executed
Committed Loan Notice with respect to the 2015-2 Incremental Term Loans being borrowed on the First Lien Amendment No. 3 Effective Date substantially in the form of Exhibit
A-1 to the First Lien Credit Agreement; 
 (iv) certificates of good standing (to the
extent such concept exists) from the secretary of state of the state of organization of each Loan Party (or any immediate predecessor thereof) (to the extent such concept exists in such jurisdiction), customary certificates of resolutions or other
action, certificates of Responsible Officers of each Loan Party evidencing the identity, authority and capacity of each Responsible Officer thereof authorized to act as a Responsible Officer in connection with this First Lien Amendment No. 3
and the other Loan Documents to which such Loan Party is to become a party on the First Lien Amendment No. 3 Effective Date (and in the case of each Australian Loan Party, resolving that (A) it is in its best interests to execute this
First Lien Amendment No. 3 and, to the extent applicable, the other Loan Documents to which it be a party on the First Lien Amendment No. 3 Effective Date, (B) its execution of any such document and the performance of its obligations
under them does not and will not cause it to contravene Chapter 2E or Part 2J of the Australian Corporations Act and (C) guaranteeing or securing, as appropriate, any part of the Commitment would not cause any guarantee, security or similar
limit binding on that Australian Loan Party to be exceeded); 
 (v) a customary legal opinion from (A) Cleary, Gottlieb,
Steen & Hamilton LLP, New York counsel to the Loan Parties, (B) Young Conway Stargatt & Taylor, LLP, Delaware counsel to certain of the Loan Parties, (C) King & Wood Mallesons, Australian counsel to the Lenders,
(D) Allen & Overy LLP, England and Wales counsel to the Lenders and (E) Allen & Gledhill LLP, Singapore counsel to the Lenders; 

  
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 (vi) a solvency certificate from a Financial Officer of Holdings (after giving
effect to the 2015-2 Incremental Term Loans) substantially in the form of Exhibit B hereto; 

(vii)[Reserved]; and 

(viii) an officer’s certificate dated the First Lien Amendment No. 3 Effective Date from a Responsible Officer of the
Borrower Representative substantially in the form of Exhibit A hereto. 
 (b) the Administrative Agent shall have received, at least
three (3) Business Days prior to the First Lien Amendment No. 3 Effective Date, all documentation and other information about Holdings and the Borrowers required under applicable “know your customer” and anti-money laundering
rules and regulations, including the USA PATRIOT ACT that has been requested in writing at least ten (10) Business Days prior to the First Lien Amendment No. 3 Effective Date; 

(c) the representations and warranties of the Loan Parties contained in the Loan Documents shall be true and correct in all material respects
on and as of the First Lien Amendment No. 3 Effective Date; provided that, to the extent that such representations and warranties specifically refer to an earlier date, they shall be true and correct in all material respects as of such
earlier date; provided, further, that, any representation and warranty that is qualified as to “materiality,” “Material Adverse Effect” or similar language shall be true and correct (after giving effect to any
qualification therein) in all respects on such respective dates; 
 (d) no Default shall exist, or would result from the incurrence of the 2015-2 Incremental Term Loans or from the application of the proceeds therefrom; 
 (e) all fees and, to
the extent invoiced at least two (2) Business Days prior to the First Lien Amendment No. 3 Effective Date (except as otherwise reasonably agreed by the Borrower Representative), due under the Engagement Letter dated as of December 9,
2015 (the “Engagement Letter”) shall have been paid; and 
 (f) the borrowings of the 2015-3 Second Lien Incremental Term Loans shall have occurred, or shall occur substantially concurrently with borrowings under the 2015-2 Incremental Term Loans contemplated
hereunder. 
 SECTION 6. Written Request. By its execution of this First Lien Amendment No. 3, the Borrower
Representative hereby delivers and the Administrative Agent hereby acknowledges receipt of this First Lien Amendment No. 3 as the satisfaction of the requirement to give written notice required to the Administrative Agent pursuant to
Section 2.14(a) of the First Lien Credit Agreement. 
 SECTION 7. Amendment, Modification and Waiver. This First Lien
Amendment No. 3 may not be amended, modified or waived except in accordance with Section 10.01 of the First Lien Credit Agreement. 

  
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 SECTION 8. Entire Agreement; Post-Effective Date Obligations. This First Lien
Amendment No. 3, the First Lien Credit Agreement, the Engagement Letter and the other Loan Documents constitute the entire agreement among the parties hereto with respect to the subject matter hereof and thereof and supersede all other prior
agreements and understandings, both written and verbal, among the parties hereto with respect to the subject matter hereof. Except as expressly set forth herein, this First Lien Amendment No. 3 shall not by implication or otherwise limit,
impair, constitute a waiver of, or otherwise affect the rights and remedies of any party under, the First Lien Credit Agreement, nor alter, modify, amend or in any way affect any of the terms, conditions, obligations, covenants or agreements
contained in the First Lien Credit Agreement, all of which are ratified and affirmed in all respects and shall continue in full force and effect. It is understood and agreed that each reference in each Loan Document to the First Lien Credit
Agreement, whether direct or indirect, shall hereafter be deemed to be a reference to the First Lien Credit Agreement as amended hereby and that this First Lien Amendment No. 3 is a Loan Document. As promptly as practicable, and in any event
within the time periods after the First Lien Amendment No. 3 Effective Date specified in Schedule B hereto or such later date as the Administrative Agent reasonably agrees to in writing, including to reasonably accommodate circumstances
unforeseen on the First Lien Amendment No. 3 Effective Date, deliver the documents or take the actions specified on Schedule B hereto, in each case except to the extent otherwise agreed by the Administrative Agent pursuant to its
authority as set forth in the definition of the term “Collateral and Guarantee Requirement”. The Administrative Agent hereby acknowledges that to the extent any documents or actions addressed in Schedule B hereto relate to documents
or actions that are outstanding under Schedule D of First Lien Amendment No. 2 as of the First Lien Amendment No. 3 Effective Date, the deadlines for such outstanding documents or actions under Schedule D of First Lien
Amendment No. 2, are hereby superceded by the deadlines for such related documents or actions set forth in Schedule B hereto. 

SECTION 9. GOVERNING LAW. THIS FIRST LIEN AMENDMENT NO. 3 AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE
GOVERNED BY THE LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO ANY CONFLICT OF LAW PRINCIPLES (BUT GIVING EFFECT TO FEDERAL LAWS RELATING TO NATIONAL BANKS). THE PROVISIONS OF SECTIONS 10.16 AND 10.17 OF THE FIRST LIEN CREDIT AGREEMENT ARE
HEREBY INCORPORATED BY REFERENCE INTO THIS FIRST LIEN AMENDMENT NO. 3 AND SHALL APPLY HEREIN MUTATIS MUTANDIS. 

SECTION 10. Severability. If any provision of this First Lien Amendment No. 3 is held to be illegal, invalid or
unenforceable, the legality, validity and enforceability of the remaining provisions of this First Lien Amendment No. 3 shall not be affected or impaired thereby. The invalidity of a provision in a particular jurisdiction shall not invalidate
or render unenforceable such provision in any other jurisdiction. 
 SECTION 11. Counterparts. This First Lien Amendment No.
3 may be executed in one or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Delivery by facsimile or other electronic means of an executed counterpart of a
signature page to this First Lien Amendment No. 3 shall be effective as delivery of an original executed counterpart of this First Lien Amendment No. 3. 

  
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 SECTION 12. Headings. The headings of this First Lien Amendment No. 3 are for
purposes of reference only and shall not limit or otherwise affect the meaning hereof. 
 SECTION 13. Miscellaneous. The
provisions of Sections 10.04, 10.05, 10.09 and 10.23 of the First Lien Credit Agreement are hereby incorporated by reference into this First Lien Amendment No. 3 and shall apply herein mutatis mutandis and, for the avoidance of doubt,
any reference in such Sections to Arrangers shall be deemed to apply mutatis mutandis to the First Lien Amendment No. 3 Arrangers. 

[Remainder of page intentionally left blank] 

  
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 IN WITNESS WHEREOF, each of the undersigned has caused its duly authorized officer to
execute and deliver this First Lien Amendment No. 3 as of the date first written above. 
 [Signature Page to the First Lien Amendment
No. 3] 

 Consented and agreed to as of the date first above written: 

UBS AG, STAMFORD BRANCH, as Administrative Agent 
  

			
	By:	 	 /s/ Houssem Daly

		 	Name: Houssem Daly
		 	Title: Associate Director
		
	By:	 	 /s/ Craig Pearson

		 	Name: Craig Pearson
		 	Title: Associate Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

			
	UBS AG, STAMFORD BRANCH, as 2015-2 Incremental Term Lender
		
	By:	 	 /s/ Houssem Daly

		 	Name: Houssem Daly
		 	Title: Associate Director
		
	By:	 	 /s/ Craig Pearson

		 	Name: Craig Pearson
		 	Title: Associate Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

			
	 DTZ U.S. BORROWER, LLC,
 as the U.S.
Borrower and Borrower Representative

		
	By:	 	 /s/ Clive Bode

			
	Name: Clive Bode

			
	Title: President

  
 [Signature Page to the
First Lien Amendment No. 3] 

 Signed and delivered for: 

DTZ AUS HOLDCO PTY LIMITED ACN 602 106 936 
 under power of
attorney in the presence of: 
  

					
	 /s/ Nicholas Li
	 		 	 /s/ Simon Harle

	Signature of Witness	 		 	Signature of Attorney
			
	 Nicholas Li
	 		 	 Simon Harle

	Print Name of Witness	 		 	Print Name of Attorney
			
	
Level 22, 101 Collins Street, Melbourne, Victoria, Australia, Lawyer
	 		 	
	Address and occupation of Witness	 		 	

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

Signed and delivered for: 
  

					
	 DTZ AUS BIDCO PTY LIMITED ACN 169 965 995

under power of attorney in the presence of:

			
	 /s/ Nicholas Li
	 		 	 /s/ Simon Harle

	Signature of Witness	 		 	Signature of Attorney
			
	 Nicholas Li
	 		 	 Simon Harle

	Print Name of Witness	 		 	Print Name of Attorney
			
	
Level 22, 101 Collins Street, Melbourne, Victoria, Australia, Lawyer
	 		 	
	Address and occupation of Witness	 		 	

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

 

			
	DTZ AMERICAS, INC.
		
	By:	 	 /s/ Tod Lickerman

		 	Name: Tod Lickerman
		 	Title: President and Chief Executive Officer
	
	CUMBERLAND LAND HOLDING, L.L.C.
		
	By:	 	 /s/ Tod Lickerman

		 	Name: Tod Lickerman
		 	Title: Director
	
	DTZ SERVICES, LLC 
		
	By:	 	 /s/ Tod Lickerman

		 	Name: Tod Lickerman
		 	Title: President & Manager

 CUSHMAN & WAKEFIELD HOLDINGS, INC. 

CUSHMAN & WAKEFIELD INTERNATIONAL FINANCE SUBSIDIARY, LLC 

CUSHMAN & WAKEFIELD INTERNATIONAL, LLC 

CUSHMAN & WAKEFIELD OF ASIA, INC. 
 CUSHMAN &
WAKEFIELD OF NORTH AMERICA, INC. 
 CUSHMAN & WAKEFIELD OF SOUTH AMERICA, LLC 

CUSHMAN & WAKEFIELD OF THE AMERICAS, INC. 

CUSHMAN & WAKEFIELD REALTY, LLC 
  

			
	By:	 	 /s/ Tod Lickerman

		 	Name: Tod Lickerman
		 	Title: President

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

C&W FACILITY SERVICES, INC. 
 DTZ GOVERNMENT SERVICES, INC.

  

			
	By:	 	 /s/ Paul Bedborough

		 	Name: Paul Bedborough
		 	Title: President

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

 

			
	DTZ SECURE SERVICES, INC.
		
	By:	 	 /s/ Roger E. Frischkorn

		 	Name: Roger E. Frischkorn
		 	Title: President, Vice President, Treasurer, and Secretary

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

 

			
	DTZ PARENT, LLC
		
	By:	 	 /s/ Brett White

		 	Name: Brett White
		 	Title: President

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

Signed and delivered for: 
 DTZ PTY LTD ACN 074 196 991 

DTZ (QATAR) HOLDINGS PTY LTD ACN 121 037 312 
 DTZ PROCESS
SOLUTIONS PTY LTD ACN 090 608 361 
 DTZ PROCUREMENT SERVICES PTY LTD ACN 079 452 887 

DTZ FM SERVICES PTY LTD ACN 076 203 659 
 DTZ HR SERVICES PTY LTD
ACN 074 593 534 
 DTZ REAL ESTATE SERVICES (ACT) PTY LTD ACN 087 378 569 

DTZ REAL ESTATE SERVICES (NSW) PTY LTD ACN 087 378 238 
 DTZ REAL
ESTATE SERVICES (VIC) PTY LTD ACN 087 378 381 
 DTZ REAL ESTATE SERVICES (QLD) ACN 087 378 649 

DTZ REAL ESTATE SERVICES (TAS) PTY LTD ACN 087 378 452 
 DTZ REAL
ESTATE SERVICES (SA) PTY LTD ACN 087 378 694 
 DTZ REAL ESTATE SERVICES (WA) PTY LTD ACN 087 378 327 

DTZ REAL ESTATE SERVICES (NT) PTY LTD ACN 087 378 523 
 DTZ
AUSTRALIA PTY LTD ACN 106 515 931 
 DTZ AUSTRALIA (NSW) PTY LTD ACN 090 139 076 

DTZ AUSTRALIA (NORTH SHORE PROPERTY MANAGEMENT) PTY LTD ACN 091 211 620 

DTZ AUSTRALIA (NORTH SHORE AGENCY) PTY LTD ACN 002 972 527 
 DTZ
AUSTRALIA (VIC) PTY LTD ACN 069 488 866 
 DTZ AUSTRALIA (QUEENSLAND) PTY LTD ACN 121 110 763 

DTZ DEBENHAM TIE LEUNG AUSTRALASIA PTY LTD ACN 095 036 874 
 DTZ
AUSTRALIA (LEASING) PTY LTD ACN 097 960 337 
  

					
	 /s/ Vikas Badhan
	 		 	 /s/ Andrew Dean

	Signature of Witness	 		 	Signature of Attorney
			
	 Vikas Badhan
	 		 	 Andrew Dean

	Print Name of Witness	 		 	Print Name of Attorney
	
	
L3, 111 Coventry St South Melbourne Vic 3205 Risk Occupation

	Address and occupation of Witness	 		 	

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

Signed and delivered for: 
 CUSHMAN & WAKEFIELD
(AUSTRALIA) PTY LTD ACN 125 787 939 
 CUSHMAN & WAKEFIELD (NSW) PTY LIMITED ACN 126 019 574 

CUSHMAN & WAKEFIELD (QLD) PTY LTD ACN 157 927 467 

CUSHMAN & WAKEFIELD (VIC) PTY LTD ACN 157 927 476 

CUSHMAN & WAKEFIELD HOLDING PTY LTD ACN 127 959 522 
  

					
	 /s/ Vikas Badhan
	 		 	 /s/ Andrew Dean

	Signature of Witness	 		 	Signature of Attorney
			
	 Vikas Badhan
	 		 	 Andrew Dean

	Print Name of Witness	 		 	Print Name of Attorney
	
	
3/111 Coventry St South Melbourne Vic 3205 Risk Manager

	Address and occupation of Witness	 		 	

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CASSIDY TURLEY NORTHERN CALIFORNIA, INC. 
 WOODMONT COMMERCIAL
REALTY, INC. 
 CASSIDY TURLEY COMMERCIAL REAL ESTATE SERVICES, INC. 

CASSIDY TURLEY FIDUCIARY, INC. 
 CASSIDY TURLEY CALIFORNIA, INC.

			
		
	By:	 	 /s/ Joseph Stettinius Jr.

		 	Name: Joseph Stettinius Jr.
		 	Title: President
	
	 CASSIDY TURLEY, INC. (DE)
 CASSIDY
TURLEY, INC. (MO)
 CASSIDY TURLEY, L.P.

		
	By:	 	 /s/ Joseph Stettinius Jr.

		 	Name: Joseph Stettinius Jr.
		 	Title: President and Chief Executive Officer

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD CAPITAL SERVICES, LLC 

CUSHMAN & WAKEFIELD GLOBAL SERVICES, INC. 

CUSHMAN & WAKEFIELD OF ARIZONA, INC. 
 CUSHMAN &
WAKEFIELD OF CALIFORNIA, INC. 
 CUSHMAN & WAKEFIELD OF COLORADO, INC. 

CUSHMAN & WAKEFIELD OF CONNECTICUT, INC. 

CUSHMAN & WAKEFIELD OF DELAWARE, INC. 

CUSHMAN & WAKEFIELD OF FLORIDA, INC. 
 CUSHMAN &
WAKEFIELD OF GEORGIA, INC. 
 CUSHMAN & WAKEFIELD OF ILLINOIS, INC. 

CUSHMAN & WAKEFIELD OF LONG ISLAND, INC. 

CUSHMAN & WAKEFIELD OF MARYLAND, INC. 

CUSHMAN & WAKEFIELD OF MASSACHUSETTS, INC. 

CUSHMAN & WAKEFIELD OF MINNESOTA, INC. 

CUSHMAN & WAKEFIELD OF NEVADA, INC. 
 CUSHMAN &
WAKEFIELD OF NEW HAMPSHIRE, INC. 
 CUSHMAN & WAKEFIELD OF NEW JERSEY, INC. 

CUSHMAN & WAKEFIELD OF NORTH CAROLINA, INC. 

CUSHMAN & WAKEFIELD OF OHIO, INC. 
 CUSHMAN &
WAKEFIELD OF OREGON, INC. 
 CUSHMAN & WAKEFIELD OF PENNSYLVANIA, INC. 

CUSHMAN & WAKEFIELD OF SAN DIEGO, INC. 

CUSHMAN & WAKEFIELD OF TEXAS, INC. 
 CUSHMAN &
WAKEFIELD OF VIRGINIA, INC. 
 CUSHMAN & WAKEFIELD OF WASHINGTON D.C., INC. 

CUSHMAN & WAKEFIELD OF WASHINGTON, INC. 

CUSHMAN & WAKEFIELD REALTY OF BROOKLYN, LLC 

CUSHMAN & WAKEFIELD REALTY OF MANHATTAN, LLC 

CUSHMAN & WAKEFIELD REALTY OF NEW JERSEY, LLC 

CUSHMAN & WAKEFIELD REALTY OF QUEENS, LLC 

CUSHMAN & WAKEFIELD REALTY OF THE BRONX, LLC 

CUSHMAN & WAKEFIELD REGIONAL, INC. 
 CUSHMAN &
WAKEFIELD RETAIL LEASING SERVICES, LLC 
 CUSHMAN & WAKEFIELD WESTERN, INC. 

CUSHMAN & WAKEFIELD, INC. 
  

			
	By:	 	 /s/ Joseph Stettinius Jr.

		 	Name: Joseph Stettinius Jr.
		 	Title: President and Chief Executive – Americas

  
 [Signature Page to First
Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ UK GUARANTOR LIMITED 
 DTZ UK HOLDCO LIMITED 

DTZ UK BIDCO LIMITED 
 DTZ UK BIDCO 2 LIMITED 

CASPER UK BIDCO LIMITED 
 DTZ WORLDWIDE LIMITED 

 

			
	By:	 	 /s/ Rajeev Ruparelia

		 	Name: Rajeev Ruparelia
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DRONE HOLDINGS (CAYMAN) LIMITED 
  

			
	By:	 	 /s/ Rajeev Ruparelia

		 	Name: Rajeev Ruparelia
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ US HOLDCO, INC. 
 DTZ US NEWCO, INC. 

DTZ US HOLDINGS, LLC 
 C&W GROUP, INC. 

 

			
	By:	 	 /s/ Clive Bode

		 	Name: Clive Bode
		 	Title: President

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ EUROPE-LIMITED 
  

			
	By:	 	 /s/ Joseph Friedman

		 	Name: Joseph Friedman
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ CORPORATE FINANCE LIMITED 
  

			
	By:	 	 /s/ Parimal Patel

		 	Name: Parimal Patel
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ DEBENHAM TIE LEUNG LIMITED 
  

			
	By:	 	 /s/ Steven Watts

		 	Name: Steven Watts
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CANTIUM ESTATES LIMITED 
  

			
	By:	 	 /s/ Parimal Patel

		 	Name: Parimal Patel
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

HODNETT MARTIN SMITH LIMITED 
  

			
	By:	 	 /s/ Parimal Patel

		 	Name: Parimal Patel
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ INTERNATIONAL LIMITED 
  

			
	By:	 	 /s/ Steven Watts

		 	Name: Steven Watts
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ INDIA LIMITED 
  

			
	By:	 	 /s/ Parimal Patel

		 	Name: Parimal Patel
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ SERVICES (EUROPE) LIMITED 
  

			
	By:	 	 /s/ Steven Watts

		 	Name: Steven Watts
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ MANAGEMENT SERVICES LIMITED 
  

			
	By:	 	 /s/ Matthew Burnham

	Name:	 	Matthew Burnham
	Title:	 	Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ IM (SPFS) LIMITED 
  

			
	By:	 	 /s/ Steven Watts

		 	Name: Steven Watts
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DT&C LIMITED 
  

			
	By:	 	 /s/ Parimal Patel

		 	Name: Parimal Patel
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ INVESTORS LIMITED 
  

			
	        By:	 	 /s/ Christopher Cooper

		 	Name: Christopher Cooper
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ UK NEWCO LIMITED 
  

			
	By:	 	 /s/ Rajeev Ruparelia

		 	Name: Rajeev Ruparelia
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

 

			
	DTZ IRISH FINCO LIMITED
		
	By:	 	 /s/ Brendan Byrne

		 	Name: Brendan Byrne
		 	Title: Director

 [Signature Page to First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

DTZ DUTCH HOLDINGS B.V. 
  

			
	By:	 	 /s/Pedro Emanuel Gouveia Fernandes das Neves

		 	Name: Pedro Emanuel Gouveia Fernandes das Neves
		 	Title: Authorized Signatory

 [Signature Page to First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD INDUSTRIAL DUTCH HOLDINGS B.V. 
  

			
	By:	 	 /s/ Sunita Kaushal

		 	Name: Sunita Kaushal
		 	Title: Authorized Signatory

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD LUXEMBOURG HOLDINGS S.A R.L. 
  

			
	By:	 	 /s/ Sunita Kaushal

		 	Name: Sunita Kaushal
		 	Title: Manager A

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD (U.K.) LTD 
 CUSHMAN &
WAKEFIELD (EMEA) LIMITED 
 CUSHMAN & WAKEFIELD (U.K.) SERVICES LIMITED 

CUSHMAN & WAKEFIELD (WARWICK COURT) LIMITED 

CUSHMAN & WAKEFIELD FACILITIES MANAGEMENT TRADING LIMITED 

CUSHMAN & WAKEFIELD FACILITIES MANAGEMENT LIMITED 

CUSHMAN & WAKEFIELD GLOBAL HOLDCO LIMITED 

CUSHMAN & WAKEFIELD RESIDENTIAL LIMITED 

CUSHMAN & WAKEFIELD SITE SERVICES LIMITED 

CUSHMAN & WAKEFIELD SPAIN LIMITED 
  

			
	By:	 	 /s/ Sunita Kaushal

		 	Name: Sunita Kaushal
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD CORPORATE FINANCE LIMITED 
  

			
	By:	 	 /s/ Jonathan Aspinall

		 	Name: Jonathan Aspinall
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

SIGNED by CUSHMAN & WAKEFIELD GLOBAL HOLDCO LIMITED, acting in its capacity as general partner, for and on behalf of CUSHMAN & WAKEFIELD UK
LIMITED PARTNERSHIP 
  

			
	By:	 	 /s/ Sunita Kaushal

		 	Name: Sunita Kaushal
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD FACILITIES MANAGEMENT HOLDCO LIMITED 
  

			
	By:	 	 /s/ Brett Soloway

		 	Name: Brett Soloway
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

 

			
	CUSHMAN & WAKEFIELD OF ASIA HOLDCO LIMITED
	By:	 	 /s/ Joseph Friedman

		 	Name: Joseph Friedman
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD FACILITIES MANAGEMENT TRADING HOLDCO LIMITED 
  

			
	By:	 	 /s/ Duncan Palmer

		 	Name: Duncan Palmer
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

CUSHMAN & WAKEFIELD BVI HOLDCO LIMITED 
  

			
	By:	 	 /s/ Brett Soloway

		 	Name: Brett Soloway
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11, 12 and 13: 

 

			
	BIGEREALESTATE HOLDCO LIMITED
		
	By:	 	 /s/ Michael Hodges

		 	Name: Michael Hodges
		 	Title: Director

 [Signature Page to the First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10,11, 12 and 13: 

CUSHMAN & WAKEFIELD HOLDCO LIMITED 
  

			
	By:	 	 /s/ Duncan Palmer

		 	Name: Duncan Palmer
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10,11,12 and 13: 

CUSHMAN & WAKEFlELD SITE SERVICES HOLDCO LIMITED 
  

			
	By:	 	 /s/ Joseph Friedman

		 	Name: Joseph Friedman
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11,12 and 13: 

CUSHMAN & WAKEFIELD OF ASIA LIMITED 
  

			
	By:	 	 /s/ Michael Hodges

		 	Name: Michael Hodges
		 	Title: Director 

  
 [Signature Page to the
First Lien Amendment No. 3] 

 With respect only to Sections 4, 8, 9, 10, 11,12 and 13: 

CUSHMAN & WAKEFIELD (BVI), INC. 
  

			
	By:	 	 /s/ Michael Hodges

		 	Name: Michael Hodges
		 	Title: Director

  
 [Signature Page to the
First Lien Amendment No. 3] 

 SCHEDULE A 

Collateral Documents 
  

	 	•	 	English Security Reaffirmation Deed by and among (A) each Loan Party that is organized in England and Wales and (B) DTZ US Holdings LLC, DTZ US Holdco, Inc., DTZ Pty Limited, Cushman & Wakefield
Luxembourg Holdings S.à r.l., Cushman & Wakefield, Inc., Cushman & Wakefield of Asia Limited, BigERealEstate, Inc. and the Collateral Agent. 

 

	 	•	 	Singaporean Supplemental Share Charge by and between Drone Holdings (Cayman), Ltd. and the Collateral Agent. 

 SCHEDULE B 

Post-Closing Obligations 
 Subject
to the Collateral and Guarantee Requirement, Holdings shall, or shall cause the applicable Restricted Subsidiaries (including the Borrowers) to, deliver each item to the Administrative Agent or take the actions specified below, as applicable, no
later than the corresponding due date for such delivery or action specified below (or such later date as the Administrative Agent reasonably agrees to in writing): 
  

	 	(i)	Within 20 Business Days of the First Lien Amendment No. 3 Effective Date, the Administrative Agent shall have received: 

  

	 	(a)	subject to the Guarantee and Security Principles, copies of a recent Lien and judgment search to the extent customary in the applicable jurisdiction reasonably requested by the Administrative Agent with respect to the
Loan Parties; 

  

	 	(b)	Singaporean Supplemental Debenture by and between DTZ Drone Singapore Pte. Ltd. and the Collateral Agent; 

  

	 	(c)	a duly executed joinder to the First Lien Amendment No. 3 by DTZ Drone Singapore Pte. Ltd. reaffirming the covenants and agreements contained in each Loan Document to which it is a party and reaffirming its
guarantee of the Obligations; and 

  

	 	(d)	a customary legal opinion from Allen & Gledhill LLP, Singapore counsel to the Secured Parties; 

  

	 	(ii)	Within 75 days of the First Lien Amendment No. 3 Effective Date: 

  

	 	(a)	Each Existing Singaporean Loan Party (other than DTZ Drone Singapore Pte. Ltd.) shall have executed and delivered to the Administrative Agent: 

 

	 	1.	a duly executed Singapore Whitewash Certificate (as defined below) (in form and substance reasonably satisfactory to the Administrative Agent) by each such Existing Singapore Loan Party (for the purpose of this
subclause (1), “Singapore Whitewash Certificate” means a certificate pursuant to Section 76A(6) of the Singapore Companies Act certifying compliance with the procedures set out in Section 76 of the Singapore Companies Act
for permitting the financial assistance constituted by any Loan Document to which such entity is a party); 

  

	 	2.	a duly executed supplement to the First Lien Debenture, dated April 6, 2015, delivered in connection with the First Lien Amendment No. 3; 

 

	 	3.	a duly executed joinder to the First Lien Amendment No. 3 reaffirming the covenants and agreements contained in each Loan Document to which it is a party and reaffirming its guarantee of the Obligations;

  
 B-1 

	 	(b)	Each Singaporean C&W Joinder Party shall have satisfied the Collateral and Guarantee Requirement and executed and delivered to the Administrative Agent: 

 

	 	1.	a joinder to the Guaranty, a counterpart signature page to the Intercompany Note, and a Singaporean Debenture (provided that each Singaporean C&W Joinder Party shall have executed and delivered a Singaporean Share
Charge over the shares it owns in any other Singaporean C&W Joinder Party) and (B) each Singaporean C&W Parent shall have executed and delivered a Singaporean Share Charge over the shares it owns in any Singaporean C&W Joinder
Party, together with: 

  

	 	(A)	copies of the signed letters of authorization authorizing Allen & Gledhill LLP, as solicitors to the Secured Parties as to matters of Singapore law, to file particulars of the Singaporean Security Agreements to
which such Singaporean C&W Joinder Party is a party with the Accounting and Corporate Regulatory Authority; 

  

	 	(B)	a customary legal opinion from Allen & Gledhill LLP, Singapore counsel to the Secured Parties; 

  

	 	(C)	a copy of a resolution of the board of directors of each Singaporean C&W Joinder Party approving the terms of, and the transactions contemplated by, the Loan Documents to which it is party; 

 

	 	(D)	a specimen of the signature of each person authorized on behalf of a Singaporean C&W Joinder Party to enter into or witness the entry into of any Loan Document to which it is a party or to sign or send any document
or notice in connection with such Loan Document; 

  

	 	(E)	a resolution signed by all of the holders of the issued or allotted shares in each Singaporean C&W Joinder Party approving the terms of, and the transactions contemplated by, the Credit Agreement (and/or any other
Loan Document to which it is party); 

  

	 	(F)	a certificate of a director of each Singaporean C&W Joinder Party certifying that securing or guaranteeing the Obligations in full would not breach any limit binding on such Singaporean C&W Joinder Party after
giving effect to the joint and several nature of the Guaranties and the Obligations of all Loan Parties with respect to the Commitments; and 

  

	 	(G)	with respect to each Singaporean C&W Parent only, evidence that any Singaporean process agent appointed by such Singaporean C&W Parent has accepted its appointment; 

 

	 	(c)	DTZ Facilities & Engineering (S) Limited shall have delivered a duly executed supplement to the First Lien Share Charge, dated April 6, 2015; 

  
 B-2 

	 	(d)	DTZ UK Holdco Limited shall have delivered a duly executed Singaporean Share Charge over the shares it owns in any Existing Singaporean Loan Party; 

 

	 	(e)	DTZ Operations Pte. Ltd. shall have delivered a duly executed supplement to the First Lien Share Charge, dated April 6, 2015; 

  

	 	(iii)	Within 105 days of the First Lien Amendment No. 3 Effective Date, each of the Singaporean C&W Joinder Parties shall have delivered evidence that stamp duty has been or will be paid in Singapore on each
applicable Singaporean Security Agreement that purports to secure any shares in a company incorporated in Singapore. 

 For purposes of this
post-closing obligations schedule: 
 “Existing Singaporean Loan Parties” means DTZ Technologies Pte. Ltd., DTZ Investments
Pte. Ltd., DTZ Asia Pte. Ltd., PREMAS Valuers & Property Consultants Pte. Ltd., DTZ Operations Pte. Ltd., E2E Asset Management Co. Ltd., DTZ Township Pte. Ltd., ESMACO Valuers & Property Agents Pte. Ltd., LandArt Pte. Ltd., RESMA
Property Services Pte. Ltd., DTZ Facilities & Engineering (S) Limited and DTZ Drone Singapore Pte. Ltd., provided that the guaranty of such entities has not been released in accordance with the Credit Agreement. 

“Singaporean C&W Joinder Parties” means Cushman & Wakefield (S) Pte Ltd., Cushman & Wakefield
Singapore Holdings Pte Limited and Cushman & Wakefield VHS Pte. Ltd. 
 “Singaporean C&W Parent” means any
Loan Party that is incorporated under the laws of any jurisdiction other than Singapore and owns all of the Equity Interests issued by any Singaporean C&W Joinder Party. 

  
 B-3 

 EXHIBIT A 

[FORM OF] 
 OFFICER’S
CERTIFICATE 
 DTZ U.S. Borrower, LLC 

December 22, 2015 
 Pursuant
to that certain First Lien Amendment No. 3, dated as of the date hereof (the “First Lien Amendment No. 3”), by and among DTZ UK Guarantor Limited, a limited company incorporated under the laws of England and Wales with
company number 09187412 (“Holdings”), DTZ U.S. Borrower, LLC, a Delaware limited liability company (the “U.S. Borrower” or the “Borrower Representative”), DTZ AUS Holdco Pty Limited ACN 602 106 936,
a proprietary company limited by shares incorporated under the laws of Australia (the “Australian Borrower” and, collectively with the U.S. Borrower, the “Borrowers”), each of the other Loan Parties party thereto,
the 2015-2 Incremental Term Lender and UBS AG, Stamford Branch as Administrative Agent, to the Syndicated Facility Agreement (First Lien), dated as of November 4, 2014, by and among Holdings, the
Borrowers, the lenders from time to time party thereto, and UBS AG, Stamford Branch, as administrative agent and collateral agent (as amended, amended and restated, refinanced, extended, supplemented and/or otherwise modified from time to time, the
“First Lien Credit Agreement”), with capitalized terms used herein and not otherwise defined having the meaning ascribed to them in the First Lien Credit Agreement, the undersigned hereby certifies, solely in such undersigned’s
capacity as a Responsible Officer of the Borrower Representative, and not individually, as follows: 
  

	 	(a)	the representations and warranties of the Loan Parties contained in the Loan Documents shall be true and correct in all material respects on and as of the First Lien Amendment No. 3 Effective Date; provided
that, to the extent that such representations and warranties specifically refer to an earlier date, such representations and warranties shall be true and correct in all material respects as of such earlier date; provided, further, that,
any representation and warranty that is qualified as to “materiality,” “Material Adverse Effect” or similar language is true and correct (after giving effect to any qualification therein) in all respects on such respective dates;
and 

  

	 	(b)	no Default shall exist, or would result from the incurrence of the 2015-2 Incremental Term Loans or from the application of the proceeds therefrom. 

[Signature Page Follows] 

  
 A-1 

 
			
		 	DTZ U.S. BORROWER, LLC, as the U.S.
		 	Borrower and Borrower Representative
		
	By:	 	  

		 	Name: Clive Bode
		 	Title: President

 EXHIBIT B 

FORM OF SOLVENCY CERTIFICATE 

SOLVENCY CERTIFICATE 
 of

 HOLDINGS 
 AND
ITS SUBSIDIARIES 
 December 22, 2015 

Pursuant to (x) that certain First Lien Amendment No. 3, dated as of the date hereof (the “First Lien Amendment
No. 3”), by and among DTZ UK Guarantor Limited, a limited company incorporated under the laws of England and Wales with company number 09187412 (“Holdings”), DTZ U.S. Borrower, LLC, a Delaware limited
liability company (the “U.S. Borrower”), DTZ AUS Holdco Pty Limited ACN 602 106 936, a proprietary company limited by shares incorporated under the laws of Australia (the “Australian Borrower” and,
collectively with the U.S. Borrower, the “Borrowers”), each of the other Loan Parties party thereto, the 2015-2 Incremental Term Lender and UBS AG, Stamford Branch as Administrative Agent, to the
Syndicated Facility Agreement (First Lien), dated as of November 4, 2014, by and among Holdings, the Borrowers, the lenders from time to time party thereto, and UBS AG, Stamford Branch, as administrative agent and collateral agent (as amended
and restated, refinanced, extended, supplemented and/or otherwise modified from time to time, the “First Lien Credit Agreement”) and (y) that certain Second Lien Amendment No. 3, dated as of the date hereof (the
“Second Lien Amendment No. 3”), by and among Holdings, the Borrowers, each of the other Loan Parties party thereto, the 2015-3 Incremental Lender and Bank of America,
N.A., as Administrative Agent, to the Syndicated Facility Agreement (Second Lien), dated as of November 4, 2014, by and among Holdings, the Borrowers, the lenders from time to time party thereto, and Bank of America, N.A., as administrative
agent and collateral agent (as amended and restated, refinanced, extended, supplemented and/or otherwise modified from time to time, the “Second Lien Credit Agreement”), the undersigned hereby certifies, solely in such
undersigned’s capacity as a Responsible Officer of the Borrower Representative, and not individually, as follows: 
 As
of the date hereof, after giving effect to the borrowing of the 2015-2 Incremental Term Loans (as defined in First Lien Amendment No. 3) and the 2015-3 Incremental
Loans (as defined in Second Lien Amendment No. 3) and to the application of the proceeds of such Loans: 
  

	 	a.	The fair value of the assets of Holdings and its Subsidiaries, on a consolidated basis, exceeds, on a consolidated basis, their debts and liabilities, subordinated, contingent or otherwise; 

	 	b.	The present fair saleable value of the property of Holdings and its Subsidiaries, on a consolidated basis, is greater than the amount that will be required to pay the probable liability, on a consolidated basis, of
their debts and other liabilities, subordinated, contingent or otherwise, as such debts and other liabilities become absolute and matured; 

  

	 	c.	Holdings and its Subsidiaries, on a consolidated basis, are able to pay their debts and liabilities, subordinated, contingent or otherwise, as such liabilities become absolute and matured; 

 

	 	d.	Holdings and its Subsidiaries, on a consolidated basis, are not engaged in, and are not about to engage in, business for which they have unreasonably small capital; and 

 

	 	e.	Each Loan Party incorporated in Australia is solvent for the purposes of the Australian Corporations Act 2001 (Cth). 

For the purposes of making the certifications set forth in this solvency certificate (this “Certificate”), it is assumed the
indebtedness and other obligations incurred under the First Lien Credit Agreement and the Second Lien Credit Agreement will come due at their respective maturities. For purposes of this Certificate, the amount of any contingent liability at any time
shall be computed as the amount that would reasonably be expected to become an actual and matured liability. Capitalized terms used but not otherwise defined herein shall have the meanings assigned to them in the First Lien Credit Agreement and the
Second Lien Credit Agreement, as applicable. 
 The undersigned is familiar with the business and financial position of Holdings and its
subsidiaries. In reaching the conclusions set forth in this Certificate, the undersigned has made such other investigations and inquiries as the undersigned has deemed appropriate, having taken into account the nature of the particular business
anticipated to be conducted by Holdings and its subsidiaries after borrowing of the 2015-2 Incremental Term Loans and the 2015-3 Incremental Loans. 

 IN WITNESS WHEREOF, the undersigned has executed this Certificate in such undersigned’s
capacity as [chief financial officer] [specify other officer with equivalent duties] of Holdings, on behalf of the Holdings, and not individually, as of the date first stated above. 

 

			
	DTZ UK GUARANTOR LIMITED
		
	By:	 	
                 

 
			
	Name:	 	
	TitleEX-10.5

 Exhibit 10.5 

Execution Version 

AMENDMENT NO. 4 TO THE FIRST LIEN CREDIT AGREEMENT REFERRED TO BELOW, dated as of April 28, 2016 (this “First Lien
Amendment No. 4”), by and among DTZ UK GUARANTOR LIMITED, a private limited company incorporated under the laws of England and Wales with company number 09187412 (“Holdings”), DTZ U.S. BORROWER, LLC, a Delaware limited
liability company (the “U.S. Borrower” or the “Borrower Representative”), DTZ AUS HOLDCO PTY LIMITED ACN 602 106 936, a proprietary company limited by shares incorporated under the laws of Australia
(the “Australian Borrower” and, collectively with U.S. Borrower, the “Borrowers”), Lenders constituting the Required Lenders, the L/C Issuers party hereto, the Swing Line Lender and UBS AG, STAMFORD BRANCH,
as Administrative Agent. 
 PRELIMINARY STATEMENTS 

A. Reference is made to the Syndicated Facility Agreement (First Lien), dated as of November 4, 2014 (as amended, supplemented, amended
and restated or otherwise modified from time to time through the date hereof, the “First Lien Credit Agreement”), by and among Holdings, the Borrowers, the Administrative Agent and each Lender from time to time party thereto,
pursuant to which the Lenders have extended credit to the Borrowers. 
 B. The Borrower Representative has requested (x) that the
Required Lenders agree to amend Sections 6.01(a), 6.01(b) and 6.01(c) in accordance with Section 10.01 of the First Lien Credit Agreement. 

C. NOW, THEREFORE, in consideration of the premises and agreements, provisions and covenants herein contained, the undersigned parties
agree as follows: 
 SECTION 1. Definitions. Capitalized terms not otherwise defined in this First Lien Amendment No. 4
shall have the same meanings specified in the First Lien Credit Agreement. 
 SECTION 2. Amendments. 

(a) Section 1.01 of the First Lien Credit Agreement is hereby amended by adding the following defined terms in the appropriate
alphabetical order: 
 ““Bail-In Action” means the exercise of any Write-Down and Conversion
Powers by the applicable EEA Resolution Authority in respect of any liability of an EEA Financial Institution. 

“Bail-In Legislation” means, with respect to any EEA Member Country implementing Article 55 of
Directive 2014/59/EU of the European Parliament and of the Council of the European Union, the implementing law for such EEA Member Country from time to time which is described in the EU Bail-In Legislation Schedule. 

“EEA Financial Institution” means (a) any credit institution or investment firm established in any
EEA Member Country which is subject to the supervision of an EEA Resolution Authority, (b) any entity established in an EEA Member Country which 

 is a parent of an institution described in clause (a) of this definition, or (c) any
financial institution established in an EEA Member Country which is a subsidiary of an institution described in clauses (a) or (b) of this definition and is subject to consolidated supervision with its parent. 

“EEA Member Country” means any of the member states of the European Union, Iceland, Liechtenstein, and
Norway. 
 “EEA Resolution Authority” means any public administrative authority or any person
entrusted with public administrative authority of any EEA Member Country (including any delegee) having responsibility for the resolution of any EEA Financial Institution. 

“EU Bail-In Legislation Schedule” means the EU Bail-In Legislation Schedule published by the Loan
Market Association (or any successor person), as in effect from time to time. 
 “Write-Down and Conversion
Powers” means, with respect to any EEA Resolution Authority, the write-down and conversion powers of such EEA Resolution Authority from time to time under the Bail-In Legislation for the applicable EEA Member Country, which write-down and
conversion powers are described in the EU Bail-In Legislation Schedule.” 
 (b) The definition of “Defaulting Lender” in
Section 1.01 of the First Lien Credit Agreement is hereby amended to delete “or” before clause (iii) of clause (d) and to add at the end of such clause (iii) the following: “or (iv) become the subject
of a Bail-In Action”. 
 (c) The definition of “Federal Funds Rate” in Section 1.01 of the First Lien Credit
Agreement is hereby amended to replace it in its entirety with the following: 
 ““Federal Funds
Rate” means, for any day, the rate calculated by the NYFRB based on such day’s federal funds transactions by depositary institutions, as determined in such manner as the NYFRB shall set forth on its public website from time to time,
and published on the next succeeding Business Day by the NYFRB as the federal funds effective rate.” 
 (d) Section 2.17(b)
of the First Lien Credit Agreement is hereby amended to add “and subject to Section 10.28” immediately after the words “affected parties” in the second proviso thereof. 

(e) Section 6.01(a) of the First Lien Credit Agreement is hereby amended to change the reference to “one hundred twenty
(120)” in such Section 6.01(a) to “one hundred fifty (150)”. 
 (f) Section 6.01(b) of the First Lien
Credit Agreement is hereby amended to delete “and” before clause (y) and to add, at the end of clause (y) in such Section 6.01(b) the following: “and (z) in the case of the fiscal quarter ending
March 31, 2016, within seventy-five (75) days after the last day of such fiscal quarter” 

  
 -2- 

 (g) Section 6.01(c) of the First Lien Credit Agreement is hereby amended to change
the reference to “one hundred (120)” in such Section 6.01(c) to “one hundred fifty (150)”. 
 (h) Article
X of the First Lien Credit Agreement is hereby amended to add the following new Section 10.28: 

“SECTION 10.28 Acknowledgment and Consent to Bail-In of EEA Financial Institutions. Notwithstanding anything to the
contrary in any Loan Document or in any other agreement, arrangement or understanding among any such parties, each party hereto acknowledges that any liability of any Lender that is an EEA Financial Institution arising under any Loan Document, to
the extent such liability is unsecured, may be subject to the write-down and conversion powers of an EEA Resolution Authority and agrees and consents to, and acknowledges and agrees to be bound by: 

(a) the application of any Write-Down and Conversion Powers by an EEA Resolution Authority to any such liabilities arising
hereunder which may be payable to it by any party hereto that is an EEA Financial Institution; and 
 (b) the effects of any
Bail-in Action on any such liability, including, if applicable: 
 (i) a reduction in full or in part or cancellation of any
such liability; 
 (ii) a conversion of all, or a portion of, such liability into shares or other instruments of ownership
in such EEA Financial Institution, its parent undertaking, or a bridge institution that may be issued to it or otherwise conferred on it, and that such shares or other instruments of ownership will be accepted by it in lieu of any rights with
respect to any such liability under this Agreement or any other Loan Document; or 
 (iii) the variation of the terms of
such liability in connection with the exercise of the write-down and conversion powers of any EEA Resolution Authority.” 
 SECTION
3. Conditions to Effectiveness. This First Lien Amendment No. 4 shall become effective on April 28, 2016 (the “First Lien Amendment No. 4 Effective Date”) so long as: 

(a) At or prior to 6:00 p.m. New York City time on April 27, 2016 (the “Deadline”) the Administrative Agent receives an
executed counterparts of this First Lien Amendment No. 4, properly executed and delivered by (x) a Responsible Officer of each Borrower and (y) Lenders constituting the Required Lenders; and 

(b) The representations and warranties of the Borrowers contained in Section 4 hereof shall be true and correct on and as of the First
Lien Amendment No. 4 Effective Date. 

  
 -3- 

 (c) The Administrative Agent shall have received from the Borrower Representative, on behalf of
each Lender that shall have delivered an executed counterpart to this First Lien Amendment No. 4 a cash fee equal to 0.05% of the sum of the aggregate principal amount of such Lender’s 2015-1 Term Loans plus the aggregate amount of such
Lender’s Revolving Credit Commitments. 
 (d) All reasonable and documented out-of-pocket costs and expenses of the Administrative Agent
incurred in connection with the preparation, negotiation, solicitation of consents for, execution and delivery of this First Lien Amendment No. 4 (but limited, in the case of such costs and expenses related to counsel to the Administrative
Agent, to those of Cahill Gordon & Reindel LLP) shall have been paid. 
 SECTION 4. Representations and Warranties.
Holdings, and the Borrowers hereby represent and warrant to the Administrative Agent and the Lenders party hereto as of the First Lien Amendment No. 4 Effective Date: 

(a) The execution, delivery and performance by Holdings and each Borrower of this First Lien Amendment No. 4 has been duly authorized by
all necessary corporate or other organizational action of Holdings and such Borrower. 
 (b) None of the execution, delivery and performance
by Holdings and each Borrower of this First Lien Amendment No. 4 will (i) contravene the terms of any of Holding’s or such Borrower’s Organizational Documents, (ii) result in any breach or contravention of, or the creation
of any Lien upon any of the property or assets of Holdings or such Borrower under (A) any Contractual Obligation to which Holdings or such Borrower is a party or affecting Holdings or such Borrower or the properties of Holdings or such Borrower
or (B) any order, injunction, writ or decree of any Governmental Authority or any arbitral award to which Holdings or such Borrower or its property is subject; or (iii) violate any applicable Law; except with respect to any breach,
contravention or violation referred to in clauses (ii) and (iii), to the extent that such breach, contravention or violation would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect. 

(c) No material approval, consent, exemption, authorization, or other action by, or notice to, or filing with, any Governmental Authority is
necessary or required in connection with the execution, delivery or performance by, or enforcement against, Holdings or either Borrower of this First Lien Amendment No. 4, except for (i) the approvals, consents, exemptions, authorizations,
actions, notices and filings that have been duly obtained, taken, given or made and are in full force and effect and (ii) those approvals, consents, exemptions, authorizations or other actions, notices or filings, the failure of which to obtain
or make would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect. 
 (d) This First Lien
Amendment No. 4 has been duly executed and delivered by Holdings and each Borrower. This First Lien Amendment No. 4 constitutes a legal, valid and binding obligation of Holdings and each Borrower, enforceable against Holdings and such
Borrower in accordance with its terms, subject to the making of the appropriate registrations, filings, stamping and/or notification and except as such enforceability may be limited by Debtor Relief Laws and by general principles of equity and
principles of good faith and fair dealing. 

  
 -4- 

 (e) The representations and warranties of the Borrowers and Holdings contained in Article V of
the First Lien Credit Agreement or any other Loan Document shall be true and correct in all material respects on and as of the First Lien Amendment No. 4 Effective Date; provided that, to the extent that such representations and warranties
specifically refer to an earlier date, they shall be true and correct in all material respects as of such earlier date; provided, further, that, any representation and warranty that is qualified as to “materiality,” “Material Adverse
Effect” or similar language shall be true and correct (after giving effect to any qualification therein) in all respects on such respective dates. 

(f) No Default exists as of the First Lien Amendment No. 4 Effective Date, or would result from the effectiveness of First Lien Amendment
No. 4. 
 SECTION 5. Amendment, Modification and Waiver. This First Lien Amendment No. 4 may not be amended,
modified or waived except in accordance with Section 10.01 of the First Lien Credit Agreement. 
 SECTION 6. Entire
Agreement. This First Lien Amendment No. 4, the First Lien Credit Agreement and the other Loan Documents constitute the entire agreement among the parties hereto with respect to the subject matter hereof and thereof and supersede all
other prior agreements and understandings, both written and verbal, among the parties hereto with respect to the subject matter hereof. From and after the First Lien Amendment No. 4 Effective Date, this First Lien Amendment No. 4 shall
constitute a “Loan Document” for all purposes of the First Lien Credit Agreement and any other Loan Document. Except as expressly set forth herein, this First Lien Amendment No. 4 shall not by implication or otherwise limit, impair,
constitute a waiver of, or otherwise affect the rights and remedies of any party under, the First Lien Credit Agreement or any other Loan Document, nor alter, modify, amend or in any way affect any of the terms, conditions, obligations, covenants or
agreements contained in the First Lien Credit Agreement, all of which are ratified and affirmed in all respects and shall continue in full force and effect. It is understood and agreed that each reference in each Loan Document to the First Lien
Credit Agreement, whether direct or indirect, shall hereafter be deemed to be a reference to the First Lien Credit Agreement as amended hereby and that this First Lien Amendment No. 4 is a Loan Document. 

SECTION 7. GOVERNING LAW. 

(a) THIS FIRST LIEN AMENDMENT NO. 4 SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK.

 (b) HOLDINGS AND THE BORROWERS, THE ADMINISTRATIVE AGENT AND EACH LENDER PARTY HERETO EACH IRREVOCABLY AND UNCONDITIONALLY
SUBMITS, FOR ITSELF AND ITS PROPERTY, TO THE EXCLUSIVE JURISDICTION OF THE COURTS OF THE STATE OF NEW YORK SITTING IN NEW YORK CITY IN THE BOROUGH OF MANHATTAN AND OF THE UNITED STATES DISTRICT COURT OF THE SOUTHERN DISTRICT OF NEW YORK, SITTING IN
THE BOROUGH OF MANHATTAN, AND ANY APPELLATE COURT FROM ANY THEREOF, IN ANY ACTION OR PROCEEDING 

  
 -5- 

 ARISING OUT OF OR RELATING TO THIS FIRST LIEN AMENDMENT NO. 4, AND EACH OF THE PARTIES HERETO
IRREVOCABLY AND UNCONDITIONALLY AGREES THAT ALL CLAIMS IN RESPECT OF ANY SUCH ACTION OR PROCEEDING MAY BE HEARD AND DETERMINED IN SUCH NEW YORK STATE COURT OR, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, IN SUCH FEDERAL COURT. EACH OF THE
PARTIES HERETO AGREES THAT A FINAL JUDGMENT IN ANY SUCH ACTION OR PROCEEDING SHALL BE CONCLUSIVE AND MAY BE ENFORCED IN OTHER JURISDICTIONS BY SUIT ON THE JUDGMENT OR IN ANY OTHER MANNER PROVIDED BY LAW. EACH PARTY HERETO AGREES THAT THE AGENTS AND
LENDERS RETAIN THE RIGHT TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO BRING PROCEEDINGS AGAINST HOLDINGS OR EITHER BORROWER IN THE COURTS OF ANY OTHER JURISDICTION IN CONNECTION WITH THE EXERCISE OF ANY RIGHTS UNDER ANY COLLATERAL
DOCUMENT OR THE ENFORCEMENT OF ANY JUDGMENT. 
 (c) HOLDINGS AND THE BORROWER THE ADMINISTRATIVE AGENT AND EACH LENDER PARTY
HERETO EACH IRREVOCABLY AND UNCONDITIONALLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY OBJECTION THAT IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT OR
ANY OTHER LOAN DOCUMENT IN ANY COURT REFERRED TO IN PARAGRAPH (b) OF THIS Section 7. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, THE DEFENSE OF AN INCONVENIENT FORUM TO
THE MAINTENANCE OF SUCH ACTION OR PROCEEDING IN ANY SUCH COURT. 
 SECTION 8. Severability. If any provision of this First
Lien Amendment No. 4 is held to be illegal, invalid or unenforceable, the legality, validity and enforceability of the remaining provisions of this First Lien Amendment No. 4 shall not be affected or impaired thereby. The invalidity of a
provision in a particular jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction. 
 SECTION
9. Counterparts. This First Lien Amendment No. 4 may be executed in one or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Delivery by facsimile
or other electronic means of an executed counterpart of a signature page to this First Lien Amendment No. 4 shall be effective as delivery of an original executed counterpart of this First Lien Amendment No. 4. 

SECTION 10. Headings. The headings of this First Lien Amendment No. 4 are for purposes of reference only and shall not
limit or otherwise affect the meaning hereof. 
 [Remainder of page intentionally left blank] 

  
 -6- 

 Lender Consent Signature Pages on file with the Administrative Agent 

			
	 ACKNOWLEDGED BY:
  

UBS AG, STAMFORD BRANCH, as Administrative Agent

		
	By:	 	 /s/ Darlene Arias

		 	Name: Darlene Arias
		 	Title: Director
		
	By:	 	 /s/ Craig Pearson

		 	Name: Craig Pearson
		 	Title: Associate Director

  
  
  

 

  
 [Signature page to First
Lien Amendment No. 4] 

			
	 DTZ UK GUARANTOR LIMITED,
 as
Holdings

		
	By:	 	 /s/ Rajeev Ruparelia

	Name:	 	Rajeev Ruparelia
	Title:	 	Director

  
  
  

 

  
 [Signature Page to First
Lien Amendment No. 4] 

			
	 DTZ U.S. BORROWER, LLC,
 as
the U.S. Borrower and Borrower Representative

		
	By:	 	 /s/ Clive Bode

	Name:	 	Clive Bode
	Title:	 	President

  
  
  

 

  
 [Signature Page to First
Lien Amendment No. 4] 

					
	Signed and delivered for:	  		  	
	 DTZ AUS HOLDCO PTY LIMITED ACN 602 106 936

under power of attorney in the presence of:
	  		  	
			
	 /s/ Nicholas Li
	  		  	 /s/ Simon Harle

	Signature of Witness	  		  	Signature of Attorney
			
	 Nicholas Li
	  		  	 Simon Harle

	Print Name of Witness	  		  	Print Name of Attorney
			
	 Level 22, 101 Collins Street, Melbourne, Victoria Australia Lawyer
	  		  	
	Address and occupation of Witness	  		  	

  
  
  

 
  

  
 [Signature Page to First
Lien Amendment No. 4]

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