Document:

EX-10.8

 Exhibit 10.8 

EXECUTION VERSION 
 SECOND
AMENDMENT TO FIRST LIEN CREDIT AGREEMENT 
 This SECOND AMENDMENT TO FIRST LIEN CREDIT AGREEMENT (this “Second Amendment”), dated as of
June 29, 2017, by and among Wilco Intermediate Holdings, Inc. (“Holdings”), ATI Holdings Acquisition, Inc., a Delaware corporation (the “Borrower”), as borrower, Barclays Bank PLC (“Barclays”),
as administrative agent and collateral agent (in such capacities, including any permitted successor thereto, the “Administrative Agent”), and Barclays, as an Additional Term Lender of 2017 Incremental Term Loans (as defined below)
(in such capacity, each a “2017 Incremental Term Loan Lender”). 
 W I T N E
S S E T H: 
 WHEREAS, the Borrower, Holdings, the Administrative Agent and the Lenders from time to time
party thereto are parties to a First Lien Credit Agreement, dated as of May 10, 2016, as amended, restated, amended and restated, modified or supplemented from time to time through the date hereof (the “Credit Agreement” and
the Credit Agreement, as amended by this Second Amendment, the “Amended Credit Agreement”) (capitalized terms not otherwise defined in this Second Amendment have the same meanings assigned thereto in the Credit Agreement or, if not
defined therein, in the Amended Credit Agreement); 
 WHEREAS, pursuant to Section 2.22 of the Credit Agreement, the Borrower has
requested that the 2017 Incremental Term Loan Lender make commitments (the “2017 Incremental Term Loan Commitments”) to provide the 2017 Incremental Term Loans on the terms and conditions set forth herein and in Section 2.22 of
the Credit Agreement; 
 WHEREAS, Barclays has agreed to serve as the 2017 Incremental Term Loan Lender; 

WHEREAS, the Borrower is hereby requesting that the 2017 Incremental Term Loan Lender provide $50,000,000 in aggregate principal amount of
Incremental Term Loans (the “2017 Incremental Term Loans”) pursuant to Section 2.22(a) of the Credit Agreement, which shall be added to and constitute a part of the Class of Initial Term Loans and the Administrative
Agent, the Borrower and the 2017 Incremental Term Loan Lender have agreed, subject to the terms and conditions hereinafter set forth, to amend the Credit Agreement to provide for the 2017 Incremental Term Loans, as set forth below; 

WHEREAS, the proceeds of the 2017 Incremental Term Loans will be used to (i) repay $35,000,000 of outstanding borrowings under the
Revolving Facility (without any permanent reduction in the Revolving Credit Commitments thereunder) (the “Repayment”), (ii) pay fees, costs and expenses in connection with such Repayment, the incurrence of the 2017 Incremental Term
Loans and the other transactions contemplated by this Second Amendment and (iii) for general corporate purposes (the Repayment, the incurrence of the 2017 Incremental Term Loans and the other transactions contemplated by this Second Amendment
are collectively referred to herein as the “Transactions”); 
 NOW, THEREFORE, in consideration of the foregoing and for
other good and valuable consideration, the receipt and sufficiency of all of which is hereby acknowledged, the parties hereto hereby agree as follows: 

(a) On or after July 7, 2017 and, in any event, subject to the satisfaction (or waiver by the 2017 Incremental Term Loan Lender) of the
conditions set forth in Section 4 hereof, the 2017 Incremental Term Loan Lender hereby agrees to make 2017 Incremental Term Loans (the “Second Amendment Incremental Commitment”), in the form of additional
Initial Term Loans, in the aggregate principal amount set forth opposite its name on Exhibit A attached hereto, which shall be added to and constitute a part of the Class of Initial Term Loans existing under the Credit Agreement prior to
giving effect to this Second Amendment (the “Existing Term Loans”). 

 (b) Each of the parties hereto acknowledges and agrees that, in the event all of the
conditions set forth in Section 4 hereof are not satisfied (or waived by the 2017 Incremental Term Loan Lender) by 5:00 p.m. New York City time on July 14, 2017 (or such later date to which the 2017 Incremental Term
Loan Lender may reasonably agree), the Second Amendment Incremental Commitment shall automatically terminate without any further action by any party hereto and this Second Amendment shall no longer be effective. 

(c) Each of the parties hereto acknowledges and agrees that this Second Amendment (including, for the avoidance of doubt, the Second Amendment
Incremental Commitment) shall become effective on the date hereof, but the amendments to the Credit Agreement set forth in Section 3 hereof shall not become operative until the funding of the 2017 Incremental Term Loans and
the satisfaction (or waiver by the 2017 Incremental Term Loan Lender) of the conditions set forth in Section 4 hereof. 

SECTION 2. Terms of the 2017 Incremental Term Loans. Pursuant to Section 2.22(a)(xiv) of the Credit Agreement, the 2017
Incremental Term Loan Lender, the Borrower and the Administrative Agent acknowledge and agree that, on the Second Amendment Effective Date (as defined below), the 2017 Incremental Term Loan Commitments provided pursuant to this Second Amendment
shall constitute Initial Term Loan Commitments of the 2017 Incremental Term Loan Lender under the Amended Credit Agreement. 
 (b) Pursuant
to Section 2.22(a)(xiv) of the Credit Agreement and notwithstanding anything in Section 2.03 of the Credit Agreement to the contrary, the Borrower and the Administrative Agent acknowledge and agree
that the Borrowing Request required to be delivered pursuant to Section 4(b) hereof shall contain appropriate modifications to reflect the 2017 Incremental Term Loans having a shortened initial Interest Period (i.e. an
Interest Period that begins during the Interest Period applicable to the Existing Term Loans and which will end on the last day of such Interest Period). 

(c) Each party hereto further agrees that on the Second Amendment Effective Date: 

(a) They intend that the 2017 Incremental Term Loans will be fungible with the Existing Term Loans for U.S. federal income tax
purposes; 
 (b) The 2017 Incremental Term Loan Lender shall be considered an Initial Term Lender for all purposes under the
Loan Documents; 
 (c) The 2017 Incremental Term Loans shall have terms identical to the Existing Term Loans (including,
without limitation, as to interest rate margin, interest rate floor and maturity) and will constitute Initial Term Loans for all purposes under the Credit Agreement and the other Loan Documents (other than for purposes of the Recitals,
Section 2.01(a), Section 4.01(f) and the third sentence of Section 5.11 of the Credit Agreement); 

(d) The 2017 Incremental Term Loan Commitments shall constitute “Term Commitments”; 

(e) The Existing Term Loans and the 2017 Incremental Term Loans shall collectively comprise a single Class of Initial Term
Loans; and 
 (f) The 2017 Incremental Term Loans shall (i) constitute Obligations and Secured Obligations and have the
benefits thereof, (ii) have terms, rights, remedies, privileges and protections identical to those applicable to the Existing Term Loans under the Credit Agreement and each of the other Loan Documents and (iii) be secured by the Liens
granted to the Administrative Agent for the benefit of the Secured Parties under the Collateral Documents. 

  
 2 

 SECTION 3. Amendments to Credit Agreement. Subject to the satisfaction (or waiver by
the 2017 Incremental Term Loan Lender) of the conditions set forth in Section 4 hereof, on the Second Amendment Effective Date, the Credit Agreement is hereby amended as follows: 

(a) Section 1.01 of the Credit Agreement is hereby amended by adding in the appropriate alphabetical order the following definitions: 

“2017 Incremental Term Loans” shall have the meaning ascribed to such term in the Second Amendment. 

“2017 Incremental Term Loan Lender” shall have the meaning ascribed to such term in the Second Amendment. 

“Second Amendment” means the Second Amendment to First Lien Credit Agreement, dated as of June 29, 2017, by and among the
Borrower, Holdings, the Administrative Agent and the 2017 Incremental Term Loan Lender. The amendments to the First Lien Credit Agreement contemplated by the Second Amendment became effective as of the Second Amendment Effective Date. 

“Second Amendment Effective Date” means the date on which the 2017 Incremental Term Loans were funded pursuant to the Second
Amendment. 
 (b) Section 1.01 of the Credit Agreement is hereby further amended by: 

(a) Amending and restating the definition of “Initial Term Lender” as follows: 

““Initial Term Lender” means any Lender with an Initial Term Loan Commitment or an outstanding Initial Term Loan. For the
avoidance of doubt, the 2016 Incremental Term Loan Lenders and the 2017 Incremental Term Loan Lenders shall be Initial Term Lenders.” 

(b) Amending and restating the definition of “Initial Term Loan Commitment” as follows: 

““Initial Term Loan Commitment” means, (i) with respect to each Term Lender on the Closing Date, the commitment of
such Term Lender to make Initial Term Loans hereunder in an aggregate amount not to exceed the amount set forth opposite such Term Lender’s name on the Commitment Schedule, as the same may be (a) reduced from time to time pursuant to
Section 2.09 and (b) reduced or increased from time to time pursuant to (x) assignments by or to such Term Lender pursuant to Section 9.05 or (y) increased from time to time pursuant
to Section 2.22, (ii) with respect to the 2016 Term Loan Lender, the amount set forth opposite such Term Lender’s name in Exhibit A to the First Amendment, as the same may be (a) reduced from time to time pursuant
to Section 2.09 and (b) reduced or increased from time to time pursuant to (x) assignments by or to such Term Lender pursuant to Section 9.05 or (y) increased from time to time
pursuant to Section 2.22, and (iii) with respect to the 2017 Term Loan Lender, the amount set forth opposite such Term Lender’s name in Exhibit A to the Second Amendment, as the same may be (a) reduced from
time to time pursuant to Section 2.09 and (b) reduced or increased from time to time pursuant to (x) assignments by or to such Term Lender pursuant to Section 9.05 or (y) increased
from time to time pursuant to Section 2.22. The initial aggregate amount of the Initial Term Loan Commitments on the Closing Date was $660,000,000.00. The initial aggregate amount of the Initial Term Loan Commitments on the
First Amendment Effective date was $55,000,000. The initial aggregate amount of the Initial Term Loan Commitments on the Second Amendment Effective Date was $50,000,000.” 

  
 3 

 (c) Amending and restating the definition of “Initial Term Loans”
as follows: 
 ““Initial Term Loans” means (a) prior to the First Amendment Effective Date, a term loan made by
the Initial Term Lender to the Borrower pursuant to Section 2.01(a), (b) on and after the First Amendment Effective Date to, but excluding, the Second Amendment Effective Date, the Initial Term Loans made on the Closing
Date together with the 2016 Incremental Term Loans made pursuant to the First Amendment and (c) on and after the Second Amendment Effective Date, the Initial Term Loans made on the Closing Date together with the 2016 Incremental Term Loans made
pursuant to the First Amendment and the 2017 Incremental Term Loans made pursuant to the Second Amendment.” 
 (c) Section 2.09 of the
Credit Agreement is hereby amended by amending and restating clause (a) thereof as follows: 
 “(a) Unless previously terminated,
(i) the Initial Term Loan Commitments on the Closing Date shall automatically terminate upon the making of the Initial Term Loans on the Closing Date, (ii) the Initial Revolving Credit Commitments shall automatically terminate on the
Initial Revolving Credit Maturity Date, (iii) the Initial Term Loan Commitment as in effect on the First Amendment Effective Date shall automatically terminate upon the making of the 2016 Incremental Term Loans on the First Amendment Effective
Date, (iv) the Initial Term Loan Commitment as in effect on the Second Amendment Effective Date shall automatically terminate upon the making of the 2017 Incremental Term Loans on the Second Amendment Effective Date, (v) the Additional
Term Loan Commitments of any Class shall automatically terminate upon the making of the Additional Term Loans of such Class and, if any such Additional Term Loan Commitment is not drawn on the date that such Additional Term Loan Commitment
is required to be drawn pursuant to the applicable Refinancing Amendment or Incremental Facility Amendment, the undrawn amount thereof shall automatically terminate and (vi) the Additional Revolving Credit Commitments of any Class shall
automatically terminate on the Maturity Date specified therefor in the applicable Refinancing Amendment or Incremental Facility Amendment.” 

(d) Section 2.10(a) of the Credit Agreement is hereby amended by amending and restating clause (a) thereof as follows: 

“(a) (i) The Borrower hereby unconditionally promises to repay Initial Term Loans to the Administrative Agent for the account of each Term
Lender on the last Business Day of each March, June, September and December prior to the Initial Term Loan Maturity Date (each such date being referred to as a “Loan Installment Date”), in each case in the amount set forth in the
table below (as such payments may be reduced from time to time as a result of the application of prepayments in accordance with Section 2.11 and repurchases in accordance with Section 9.05(g) or
increased as a result of any increase in the amount of such Initial Term Loans pursuant to Section 2.22(a)) and (ii) on the Initial Term Loan Maturity Date, in an amount equal to the remainder of the principal amount
of the Initial Term Loans outstanding on such date, together in each case with accrued and unpaid interest on the principal amount to be paid to but excluding the date of such payment. 

  
 4 

							
	 Date
	 	 	  	Amount	 
	 September 29, 2017
	 		  	$	1,914,107.24	 
	 December 29, 2017
	 		  	$	1,914,107.24	 
	 March 30, 2018
	 		  	$	1,914,107.24	 
	 June 29, 2018
	 		  	$	1,914,107.24	 
	 September 28, 2018
	 		  	$	1,914,107.24	 
	 December 28, 2018
	 		  	$	1,914,107.24	 
	 March 29, 2019
	 		  	$	1,914,107.24	 
	 June 28, 2019
	 		  	$	1,914,107.24	 
	 September 30, 2019
	 		  	$	1,914,107.24	 
	 December 30, 2019
	 		  	$	1,914,107.24	 
	 March 31, 2020
	 		  	$	1,914,107.24	 
	 June 30, 2020
	 		  	$	1,914,107.24	 
	 September 30, 2020
	 		  	$	1,914,107.24	 
	 December 30, 2020
	 		  	$	1,914,107.24	 
	 March 31, 2021
	 		  	$	1,914,107.24	 
	 June 30, 2021
	 		  	$	1,914,107.24	 
	 September 30, 2021
	 		  	$	1,914,107.24	 
	 December 30, 2021
	 		  	$	1,914,107.24	 
	 March 31, 2022
	 		  	$	1,914,107.24	 
	 June 30, 2022
	 		  	$	1,914,107.24	 
	 September 30, 2022
	 		  	$	1,914,107.24	 
	 December 30, 2022
	 		  	$	1,914,107.24	 
	 March 31, 2023
	 		  	$	1,914,107.24	 

  
 SECTION 4. Conditions. 

(a) This Second Amendment shall become effective when the Administrative Agent (or its counsel) shall have received an executed counterpart (or
written evidence reasonably satisfactory to the Administrative Agent (which may include a facsimile or other electronic transmission) that such party has signed a counterpart) of this Second Amendment from the Administrative Agent, the 2017
Incremental Term Loan Lender, the Borrower and Holdings; provided that the amendments to the Credit Agreement contemplated by Section 3 hereof shall only become effective upon the satisfaction (or waiver by the 2017
Incremental Term Loan Lender) of the conditions set forth in Section 4(b) and the funding of the 2017 Incremental Term Loans. 

(b) The 2017 Incremental Term Loan Lender shall be required to fund its Second Amendment Incremental Commitment when the following conditions
shall have been satisfied (or waived by the 2017 Incremental Term Loan Lender) (such date, the “Second Amendment Effective Date”): 

(i) The Administrative Agent shall have received (i) a Borrowing Request (or another written request, the form of which is
reasonably acceptable to the Administrative Agent) in respect of the 2017 Incremental Term Loans meeting the requirements of Section 2.03 of the Credit Agreement and (ii) a notice of prepayment (in a form reasonably acceptable to the
Administrative Agent) in respect of the Revolving Loans to be prepaid with $35,000,000 of the net proceeds of the 2017 Incremental Term Loans meeting the requirements of Section 2.11(a) of the Credit Agreement; 

  
 5 

 (ii) All reasonable and documented expenses and other compensation payable
to (i) the Administrative Agent pursuant to Section 9.03(a) of the Credit Agreement and (ii) the 2017 Incremental Term Loan Lender pursuant to that certain Fee Letter dated June 29, 2017 between the 2017 Incremental Term Loan
Lender and the Borrower, in each case, shall have been paid (or netted from the proceeds of the 2017 Incremental Term Loans, as applicable) and otherwise invoiced at least three (3) Business Days prior to the Second Amendment Effective Date;

 (iii) Each Guarantor shall have entered into the Guarantor Consent and Reaffirmation attached as Exhibit B hereto
(the “Consent”) on the Second Amendment Effective Date; 
 (iv) The Administrative Agent shall have received
a certificate, dated the Second Amendment Effective Date, executed by a Responsible Officer of the Borrower certifying and attaching copies of (i) the resolutions adopted by (x) the Borrower and Holdings and approving and authorizing the
execution, delivery and performance of this Second Amendment and (y) each Guarantor approving and authorizing the execution, delivery and performance of the Consent, and 

(ii) good standing certificates (or similar certificate) for the Borrower, Holdings and each other Loan Party from the
jurisdiction in which they are organized; 
 (v) The Administrative Agent shall have received a certificate dated the Second
Amendment Effective Date, executed by a Responsible Officer of the Borrower certifying: 
 (a) as to the satisfaction of the
condition set forth in clause (vi) of this Section; 
 (b) that each of the representations and warranties of the
Loan Parties contained in Article 3 of the Credit Agreement and the other Loan Documents are true and correct in all material respects on and as of the Second Amendment Effective Date; provided that to the extent that any
representation and warranty specifically refers to a given date or period, they are true and correct in all material respects as of such date or for such period; 

(c) that the Credit Agreement, as amended hereby, constitutes the Borrower’s and Holdings’ legal, valid and binding
obligation, enforceable against the Borrower and Holdings in accordance with its terms, subject to the Legal Reservations; 

(d) that the aggregate principal amount of the 2017 Incremental Term Loans incurred on the Second Amendment Effective Date does
not exceed the Incremental Cap; 
 (e) that the acknowledgments set forth in Section 8(g) of the
Second Amendment remain in full force and effect as of the Second Amendment Effective Date. 
 (vi) Prior to and immediately
after giving effect to the Transactions, no Event of Default exists; 
 (vii) The Administrative Agent shall have received a
customary written opinion of (i) Weil, Gotshal & Manges LLP, special counsel for Holdings, the Borrower and each other Loan Party dated the Second Amendment Effective Date and addressed to the Administrative Agent and the 2017 Incremental
Term Loan Lender and (ii) local counsel to the Subsidiary Guarantors organized under the laws of Illinois, Indiana and Michigan dated the Second Amendment Effective Date and addressed to the Administrative Agent, the 2017 Incremental Term Loan
Lender and the Lenders; 
 (viii) The Administrative Agent shall have received a solvency certificate from the chief
financial officer (or other officer with reasonably equivalent duties) of the Borrower (after giving pro forma effect to the Prepayment and the incurrence of the 2017 Incremental Term Loans) dated the Second Amendment Effective Date
substantially in the form of Exhibit P to the Credit Agreement (with appropriate modifications to reflect the incurrence of the 2017 Incremental Term Loans on the Second Amendment Effective Date); 

  
 6 

 provided that, in no event shall the Second Amendment Effective Date occur before July 7, 2017.

 SECTION 5. Loan Document. This Second Amendment shall constitute a Loan Document for all purposes of the Credit Agreement and the
other Loan Documents. 
 SECTION 6. Use of Proceeds. The Borrower hereby covenants and agrees that all proceeds of the 2017
Incremental Term Loans under this Second Amendment will be used by the Borrower on the Second Amendment Effective Date (i) to effect the Repayment, (ii) to pay fees, expenses and other costs associated with the Transactions and
(iii) for general corporate purposes. 
 SECTION 7. Representations and Warranties. To induce the other parties hereto to enter
into this Second Amendment, the Borrower and Holdings represent and warrant to each other party hereto that, as of the Second Amendment Effective Date, this Second Amendment has been duly authorized, executed and delivered by it, and this Second
Amendment constitutes its legal, valid and binding obligation, enforceable against it in accordance with its terms, subject to the Legal Reservations. 

SECTION 8. Reference to and Effect on the Credit Agreement and the other Loan Documents. 

(a) On and after the Second Amendment Effective Date, (i) each reference in the Credit Agreement to “this Agreement,”
“hereunder,” “hereof” or words of like import referring to the Credit Agreement shall mean and be a reference to the Credit Agreement, as amended by this Second Amendment; (ii) the 2017 Incremental Term Loans shall
constitute “Incremental Term Loans,” “Additional Term Loans”, “Initial Term Loans” (other than for purposes of the Recitals, Section 2.01(a), Section 4.01(f) and the third sentence of
Section 5.11 of the Credit Agreement) and “Term Loans”; (iii) each 2017 Incremental Term Loan Commitment shall constitute an “Additional Term Loan Commitment”, an “Initial Term Loan Commitment”
(other than for purposes of Section 2.01(a) of the Credit Agreement) and a “Commitment”; (iv) the 2017 Incremental Term Loan Lender shall constitute a “Lender”, an “Initial Term Lender”, a “Secured Party”
and an “Additional Term Lender”, in each case as defined in the Credit Agreement and (v) each reference to the Credit Agreement in any Loan Document shall be deemed to be a reference to the Credit Agreement, as amended by this Second
Amendment. 
 (b) The Credit Agreement and each of the other Loan Documents, as specifically amended by this Second Amendment, are and shall
continue to be in full force and effect and are hereby in all respects ratified and confirmed. Without limiting the generality of the foregoing, (i) the Collateral Documents and all of the Collateral described therein shall continue to secure
the payment of all Secured Obligations of the Loan Parties, as amended by this Second Amendment and (ii) neither the modification of the Credit Agreement effected pursuant to this Second Amendment nor the execution, delivery, performance or
effectiveness of this Second Amendment will impair the validity, effectiveness or priority of the Liens granted pursuant to any Loan Document and such Liens shall continue unimpaired with the same priority to secure repayment of all Secured
Obligations (including, without limitation, the 2017 Incremental Term Loans), whether heretofore or hereafter incurred. 
 (c) The execution,
delivery and effectiveness of this Second Amendment shall not, except as expressly provided herein, operate as a waiver of any right, power or remedy of any Lender or the Administrative Agent under any of the Loan Documents, nor constitute a waiver
of any provision of any of the Loan Documents. On and after the Second Amendment Effective Date, this Second Amendment shall for all purposes constitute a Loan Document. 

  
 7 

 (d) This Second Amendment shall not constitute a novation of the Credit Agreement or any
other Loan Document. 
 (e) This Second Amendment 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. 

(f) This Second Amendment may not be amended, modified or waived except pursuant to a writing signed by each of the parties hereto. 

(g) The Borrower hereby expressly acknowledges the terms of this Second Amendment and reaffirms, as of the date hereof and as of the Second
Amendment Effective Date, (i) the covenants, pledges, grants of Liens and agreements or other commitments contained in each Loan Document to which it is a party, including, in each case, such covenants, pledges, grants of Liens and agreements
or other commitments as in effect immediately after giving effect to this Second Amendment and the transactions contemplated hereby, (ii) its grant of Liens on the Collateral to secure the Secured Obligations (including, without limitation, the
Secured Obligations with respect to the 2017 Incremental Term Loans) pursuant to the Collateral Documents, and (iii) that (A) each Loan Document to which it is a party shall continue to be in full force and effect and (B) all guarantees,
pledges, grants of Liens, covenants, agreements and other commitments by such Loan Party under the Loan Documents shall continue to be in full force and effect and shall accrue to the benefit of the Secured Parties and shall not be affected,
impaired or discharged hereby or by the transactions contemplated in this Second Amendment. 
 SECTION 9. Execution in Counterparts.
This Second Amendment 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 electronic transmission of an executed
counterpart of a signature page to this Second Amendment shall be effective as delivery of an original executed counterpart of this Second Amendment. 

SECTION 10. Governing Law; Jurisdiction; Waiver of Jury Trial; etc.. Sections 9.10 (Governing Law; Jurisdiction; Consent to Service
of Process) and 9.11 (Waiver of Jury Trial) of the Credit Agreement are hereby incorporated by reference into this Second Amendment and shall apply to this Second Amendment, mutatis mutandis. 

SECTION 11. Headings. Section headings herein are included for convenience of reference only and shall not affect the interpretation of
this Second Amendment. 
 [The remainder of this page is intentionally left blank.] 

  
 8 

 IN WITNESS WHEREOF, the parties hereto have caused this Second Amendment to be duly executed
by their respective officers thereunto duly authorized, as of the date first above written. 
  

			
	ATI HOLDINGS ACQUISITION, INC.
		
	By:	 	 /s/ Robert A. McKenzie

	Name:	 	Robert A. McKenzie
	Title:	 	General Counsel
	
	WILCO INTERMEDIATE HOLDINGS, INC.
		
	By:	 	 /s/ Robert A. McKenzie

	Name:	 	Robert A. McKenzie
	Title:	 	General Counsel

 [ATI – Second Amendment] 

 
			
	BARCLAYS BANK PLC, as Administrative Agent and 2017 Incremental Term Loan Lender
		
	By:	 	 /s/ Ronnie Glenn

	Name:	 	Ronnie Glenn
	Title:	 	Vice President

 [ATI – Second Amendment] 

 EXHIBIT A 

ADDITIONAL TERM COMMITMENTS 
  

					
	 2017 Incremental Term Loan Lender
	  	Additional Term
Commitments	 
	 Barclays Bank PLC
	  	$	50,000,000	 

 EXHIBIT B 

GUARANTOR CONSENT AND REAFFIRMATION 

[•], 2017 
 Reference is
made to (a) the First Lien Credit Agreement dated as of May 10, 2016 (as amended, restated, amended and restated, modified or supplemented from time to time through the date hereof, the “Credit Agreement”), by and among
ATI Holdings Acquisition, Inc., a Delaware corporation (the “Borrower”), Wilco Intermediate Holdings, Inc., a Delaware corporation (“Holdings”), Barclays Bank PLC (“Barclays”) as administrative
agent (in such capacity, including any permitted successor thereto, the “Administrative Agent”) and as collateral agent (in such capacity, including any permitted successor thereto, the “Collateral Agent”) under the
Loan Documents (as defined therein), and each of the other banks and financial institutions party thereto from time to time (collectively, the “Lenders” and individually, a “Lender”) and (b) the Second
Amendment to First Lien Credit Agreement, dated as of the date hereof, among Holdings, the Borrower, the Administrative Agent and the 2017 Incremental Term Loan Lender (as defined therein) party thereto (the “Second Amendment”).
Capitalized terms used but not otherwise defined in this Guarantor Consent and Reaffirmation (this “Consent”) are used with the meanings attributed thereto in the Credit Agreement or the Second Amendment, as applicable. 

Each Guarantor party hereto hereby consents to the terms and conditions of the Second Amendment, including the incurrence by the Borrower of
the 2017 Incremental Term Loans contemplated thereby, and agrees that each reference to the Credit Agreement in the Loan Documents shall, on and after the Second Amendment Effective Date, be deemed to be a reference to the Credit Agreement as
amended by the Second Amendment. 
 Each Guarantor hereby acknowledges and agrees that, after giving effect to the Second Amendment, all of
its respective obligations, guarantees, pledges, grants of Liens, liabilities and other agreements or commitments under the Loan Documents to which it is a party, as such obligations, guarantees, pledges, grants of Liens, liabilities and other
agreements or commitments have been amended by the Second Amendment, are reaffirmed, and remain in full force and effect. 
 After giving
effect to the Second Amendment, each Guarantor reaffirms (i) its guarantee of the Secured Obligations (including, without limitation, the 2017 Incremental Term Loans) and (ii) each Lien granted by it to the Collateral Agent for the benefit
of the Secured Parties under each of the Loan Documents to which it is a party, which Liens shall continue in full force and effect during the term of the Credit Agreement as amended by the Second Amendment, and shall continue to secure the Secured
Obligations (including, without limitation, the 2017 Incremental Term Loans), in each case, on and subject to the terms and conditions set forth in the Credit Agreement, as amended by the Second Amendment, and the other Loan Documents. 

Each Guarantor hereby acknowledges and agrees that neither the modification of the Credit Agreement effected pursuant to this Second Amendment
nor the execution, delivery, performance or effectiveness of this Second Amendment or the execution and delivery of this Guarantor Consent and Reaffirmation impairs the validity, effectiveness or priority of the Liens granted pursuant to any Loan
Document and such Liens continue unimpaired with the same priority to secure repayment of all Secured Obligations, whether heretofore or hereafter incurred. 

Each Guarantor hereby acknowledges and agrees that (A) each Loan Document to which it is a party shall continue to be in full force and
effect and (B) all guarantees, pledges, grants of Liens, covenants, agreements and other commitments by such Loan Party under the Loan Documents shall continue to be in full force and effect and shall accrue to the benefit of the Secured
Parties and shall not be affected, impaired or discharged hereby or by the transactions contemplated in the Second Amendment. 

 Nothing in this Consent shall create or otherwise give rise to any right to consent on the
part of the Guarantors to the extent not required by the express terms of the Loan Documents. 
 This Consent is a Loan Document and shall
be governed by, and construed and interpreted in accordance with, the law of the State of New York. 
 This Consent may be executed in
counterparts, and all such counterparts taken together shall be deemed to constitute one and the same instrument. Delivery by facsimile or electronic transmission of an executed counterpart of a signature page to this Consent shall be effective as
delivery of an original executed counterpart of this Consent. 

 IN WITNESS WHEREOF, the parties hereto have duly executed this Consent as of the date first
set forth above. 
  

			
	[GUARANTORS]
		
	By:	 	
                     
                    

	Name:	 	
	Title:	 	

 [Signature Page to Second Amendment Guarantor Consent and Reaffirmation] 

			
	Acknowledged and agreed to as of the date set forth above:
	
	BARCLAYS BANK PLC, as the Administrative Agent
		
	By:	 	
                     
                

	Name:	 	
	Title:	 	

 [Signature Page to Second Amendment Guarantor Consent and Reaffirmation]EX-10.9

 Exhibit 10.9 

EXECUTION VERSION 
 THIRD
AMENDMENT TO 
 FIRST LIEN CREDIT AGREEMENT 

This THIRD AMENDMENT TO FIRST LIEN CREDIT AGREEMENT, dated as of August 16, 2017 (this “Amendment”) is among
Wilco Intermediate Holdings, Inc., a Delaware corporation (“Holdings”), ATI Holdings Acquisition, Inc., a Delaware corporation (the “Borrower”), certain subsidiaries of the Borrower, as Subsidiary
Guarantors, each Consenting Lender (as defined below), the Replacement Lender (as defined below) and Barclays Bank PLC (“Barclays”), as administrative agent and collateral agent (in such capacity, the
“Administrative Agent”). Capitalized terms not otherwise defined in this Amendment have the same meanings as specified in the Credit Agreement (as defined below), as amended by this Amendment. 

RECITALS 
 WHEREAS,
the Borrower, Holdings, the several Lenders from time to time party thereto and the Administrative Agent, have entered into that certain First Lien Credit Agreement, dated as of May 10, 2016 (together with all exhibits and schedules attached
thereto, as amended, restated, amended and restated, supplemented or otherwise modified prior to the date hereof, the “Credit Agreement”); 

WHEREAS, the Borrower, the undersigned Lenders (including the Replacement Lender) and the Administrative Agent have agreed to amend the Credit
Agreement as hereinafter set forth; 
 WHEREAS, each Initial Term Lender under the Credit Agreement immediately prior to the Third Amendment
Effective Date (collectively, the “Existing Lenders”) that executes and delivers a consent to this Amendment in the form of the “Lender Consent” attached hereto as Annex I (a “Lender
Consent”) and selects either Option A(1) or Option A(2) thereunder (such Lenders, the “Continuing Lenders”) thereby agrees (i) to the terms and conditions of this Amendment, (ii) to continue as an
Initial Term Loan Lender with respect to its entire outstanding principal amount of Initial Term Loans (such amount, such Continuing Lender’s “Existing Allocation”) under the Credit Agreement (or such lesser principal
amount as may be notified to such Continuing Lender by Barclays prior to the Third Amendment Effective Date (such lower amount, such Continuing Lender’s “Reduced Allocation”)) after giving effect to this Amendment and
(iii) to the extent such Continuing Lender chooses (x) option (A)(1) and it is allocated a Reduced Allocation, that it shall be deemed to have executed, a counterpart of the Master Assignment and Assumption Agreement substantially in the
form attached hereto as Annex II (a “Master Assignment”) and shall in accordance therewith sell Initial Term Loans to the Replacement Lender in an amount equal to the difference between its Existing Allocation
and its Reduced Allocation as specified in the Master Assignment, as further set forth in this Amendment, or (y) option (A)(2), that it shall be deemed to have executed a counterpart of the Master Assignment and shall in accordance therewith
sell all of its Initial Term Loans to the Replacement Lender as specified in the Master Assignment, as further set forth in this Amendment; 

WHEREAS, each Existing Lender that executes and delivers a Lender Consent and selects Option B thereunder (the “Non-Continuing Lenders” and, together with the Continuing Lenders, the “Consenting Lenders”) thereby agrees to the terms and conditions of this Amendment and agrees that it shall
execute, or shall be deemed to have executed, a counterpart of the Master Assignment and shall in accordance therewith sell all of its existing Initial Term Loans as specified in the Master Assignment, as further set forth in this Amendment; 

WHEREAS, each Existing Lender that fails to execute and return a Lender Consent by 5:00 p.m. (New York City time), on August 9, 2017 (the
“Consent Deadline”) (each, a “Non-Consenting Lender”) shall, in accordance with Section 2.19(b) of the Credit Agreement, assign and
delegate (or be deemed to 

 assign and delegate), without recourse (in accordance with Section 9.05(b) of the
Credit Agreement), all of its interests, rights and obligations under the Credit Agreement and the related Loan Documents in respect of its existing Initial Term Loans to the Replacement Lender, which Replacement Lender shall assume such obligations
as specified in the Master Assignment, as further set forth in this Amendment; 
 WHEREAS, each Loan Party party hereto (collectively, the
“Reaffirming Parties”, and each, a “Reaffirming Party”) expects to realize substantial direct and indirect benefits as a result of this Amendment becoming effective and the consummation of the
transactions contemplated hereby and agrees to reaffirm its obligations pursuant to the Credit Agreement, the Collateral Documents, and the other Loan Documents to which it is a party; and 

NOW, THEREFORE, in consideration of the covenants and agreements contained herein, as well as other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 
 SECTION 1. Amendments to Credit
Agreement. The Credit Agreement is, effective as of the Third Amendment Effective Date (as defined below) and subject to the satisfaction (or waiver) of the conditions precedent set forth in Section 3 below, hereby
amended as follows: 
 (a) Definitions. Section 1.01 of the Credit Agreement is hereby amended by adding the
following new definitions thereto in proper alphabetical order: 
 “Third Amendment” means that certain
Third Amendment to First Lien Credit Agreement, dated as of the Third Amendment Effective Date, among Holdings, the Borrower, the Subsidiary Guarantors, the Administrative Agent and the Lenders party thereto. 

“Third Amendment Effective Date” means August 16, 2017. 

(b) Applicable Rate. Clause (a) of the definition of “Applicable Rate” in Section 1.01 of the
Credit Agreement is hereby amended and restated in its entirety as follows: 
 “with respect to any Initial Term Loan,
(x) at any time prior to the Third Amendment Effective Date, 4.50% per annum for LIBO Rate Loans and 3.50% per annum for ABR Loans, and (y) from and after the Third Amendment Effective Date, 3.50% per annum for LIBO Rate Loans and 2.50%
per annum for ABR Loans; and” 
 (c) Section 2.12(f) of the Credit Agreement is hereby amended by replacing the text “on or
prior to the date that is 12 months after the Closing Date” with the text “on or prior to the date that is six months after the Third Amendment Effective Date” in each instance where such term appears. 

SECTION 2. Continuation of Existing Loans; Non-Consenting Lenders; Other Terms and
Agreements. 
 (a) Continuing Lenders. Each Existing Lender that executes and delivers a Lender Consent consents and agrees to
the terms and conditions of this Amendment and (x) if selecting Option (A)(1), agrees to continue via “cashless settlement” its Existing Allocation or its Reduced Allocation, as applicable, as an Initial Term Loan on the Third
Amendment Effective Date or (y) if checking Option (A)(2), agrees to sell the entire principal amount of its Existing Allocation to the Replacement Lender via an assignment on the Third Amendment Effective Date and then promptly purchase an
amount of Initial Term Loans equal to its Existing Allocation or its Reduced Allocation, as applicable, from the Replacement Lender. To the extent a Continuing Lender has elected Option (A)(1) in its Lender Consent 

 

  
 2 

 and is allocated a Reduced Allocation, such Continuing Lender hereby agrees that it shall be deemed to have
executed a counterpart of the Master Assignment and shall in accordance therewith sell (subject to the effectiveness of this Amendment, the assignment referred to in this sentence and the consent and acceptance by the Replacement Lender) Initial
Term Loans in an amount equal to the difference between its Existing Allocation and its Reduced Allocation to the Replacement Lender as specified in the Master Assignment. To the extent a Continuing Lender has elected Option (A)(2) in its Lender
Consent, such Continuing Lender hereby agrees that it shall be deemed to have executed a counterpart of the Master Assignment and shall in accordance therewith sell (subject to the effectiveness of this Amendment, the assignment referred to in this
sentence and the consent and acceptance by the Replacement Lender) Initial Term Loans in an amount equal to the difference between its Existing Allocation to the Replacement Lender as specified in the Master Assignment. Notwithstanding anything in
this Amendment to the contrary, the continuation of a Continuing Lender’s Existing Allocation or Reduced Allocation, as applicable, may be implemented pursuant to other procedures specified by Barclays, including, without limitation, by
replacement of such Existing Allocation by a deemed repayment of such Existing Allocation of a Continuing Lender followed by a subsequent deemed assignment to such Continuing Lender of new Initial Term Loans in the same amount as its Existing
Allocation or its Reduced Allocation, as applicable. 
 (b) Non-Continuing Lenders. Each
Existing Lender selecting Option B on the Lender Consent hereby consents and agrees (subject to the effectiveness of this Amendment and the assignment referred to in the following clause (ii)) to (i) this Amendment and (ii) sell the entire
principal amount of its Initial Term Loans to the Replacement Lender via an assignment on the Third Amendment Effective Date pursuant to the Master Assignment. By executing a Lender Consent and selecting Option B, each
Non-Continuing Lender shall be deemed to have executed a counterpart to the Master Assignment to give effect, solely upon the consent and acceptance by the Replacement Lender, to the assignment described in
the immediately preceding sentence. 
 (c) Non-Consenting Lenders. The Borrower hereby gives
notice to each Non-Consenting Lender that, upon receipt of Lender Consents from Lenders holding more than 50% of the aggregate outstanding principal amount of the Initial Term Loans immediately prior to the
Third Amendment Effective Date, if such Non-Consenting Lender has not executed and delivered a Lender Consent on or prior to the Consent Deadline, such Non-Consenting
Lender shall, pursuant to Section 2.19(b) of the Credit Agreement, execute or be deemed to have executed a counterpart of the Master Assignment and shall in accordance therewith sell its Initial Term Loans as specified in
the Master Assignment. Pursuant to the Master Assignment, each Non-Consenting Lender shall sell and assign the entire outstanding principal amount of its Initial Term Loans as set forth in Schedule I to the
Master Assignment, as such Schedule is completed by the Administrative Agent on or prior to the Third Amendment Effective Date, to Barclays Bank PLC, as assignee (in such capacity, the “Replacement Lender”), under such Master
Assignment, solely upon the consent and acceptance by the Replacement Lender. The Replacement Lender shall be deemed to have consented to this Amendment with respect to such purchased Initial Term Loans at the time of such assignment. 

SECTION 3. Conditions of Effectiveness. The effectiveness of this Amendment (including the amendments contained in
Section 1 and agreements contained in Section 2) are subject to the satisfaction (or waiver) of the following conditions (the date of satisfaction of such conditions being referred to herein as the
“Third Amendment Effective Date”): 
 (a) this Amendment shall have been duly executed by the Borrower, Holdings, the
Subsidiary Guarantors, the Replacement Lender and the Administrative Agent (which may include a copy transmitted by facsimile or other electronic method), and delivered to the Administrative Agent, and the Initial Term Lenders under the Credit
Agreement consisting of Initial Term Lenders holding more than 50% of the aggregate outstanding principal amount of the Initial Term Loans immediately prior to the Third Amendment Effective Date; 

 

  
 3 

 (b) the Administrative Agent shall have received fully executed and delivered Lender
Consents from Continuing Lenders and the Replacement Lender representing 100% of the aggregate outstanding principal amount of the Initial Term Loans; 

(c) the Administrative Agent shall have received a certificate signed by a Responsible Officer of the Borrower as to the matters set forth in
paragraphs (e) and (f) of this Section 3; 
 (d) the Administrative Agent shall have received (i) a
certificate of each Loan Party, dated the Third Amendment Effective Date and executed by a secretary, assistant secretary or other Responsible Officer thereof, which shall (A) certify that (x) either (i) attached thereto is a true and
complete copy of the certificate or articles of incorporation, formation or organization of such Loan Party certified by the relevant authority of its jurisdiction of organization and that such certificate or articles of incorporation, formation or
organization of such Loan Party attached thereto have not been amended, repealed, modified or restated (except as attached thereto) since the date reflected thereon or (ii) the certificate or articles of incorporation, formation or organization
of such Loan Party delivered on the Closing Date or the date such Loan Party became a Loan Guarantor, as applicable, to the Administrative Agent have not been amended, repealed, modified or restated and are in full force and effect, (y) either
(i) attached thereto is a true and correct copy of the by-laws or operating, management, partnership or similar agreement of such Loan Party, together with all amendments thereto as of the Third Amendment
Effective Date and such by-laws or operating, management, partnership or similar agreement are in full force and effect or (ii) the by-laws or operating,
management, partnership or similar agreement of such Loan Party, together with all amendments thereto delivered on the Closing Date or the date such Loan Party became a Loan Guarantor, as applicable, have not been amended, repealed, modified or
restated and are in full force and effect and (z) attached thereto is a true and complete copy of the resolutions or written consent, as applicable, of its board of directors, board of managers, sole member or other applicable governing body
authorizing the execution and delivery of this Amendment and any related Loan Documents, which resolutions or consent have not been modified, rescinded or amended (other than as attached thereto) and are in full force and effect, and
(B) identify by name and title and bear the signatures of the officers, managers, directors or authorized signatories of such Loan Party authorized to sign this Amendment and (ii) a good standing (or equivalent) certificate as of a recent
date for such Loan Party from the relevant authority of its jurisdiction of organization; 
 (e) no Default or Event of Default has occurred
and is continuing both before and immediately after giving effect to the transactions contemplated hereby; 
 (f) the representations and
warranties of the Loan Parties set forth in Section 4 of this Amendment are true and correct; 
 (g) all fees and
expenses required to be paid hereunder or pursuant to that certain engagement letter dated as of August 1, 2017 (the “Engagement Letter”), by and among the Borrower and the Repricing Arrangers (as defined below), and any
fee letter entered into by the Borrower and any party thereto shall have been paid in full in cash or will be paid in full in cash on the Third Amendment Effective Date; 

(h) the Replacement Lender shall have executed and delivered the Master Assignment contemplated by Section 2 above
and all conditions to the consummation of the assignments in accordance with Section 2 above shall have been satisfied and such assignments shall have been consummated; and 

  
 4 

 (i) the Borrower shall have, substantially concurrently with the effectiveness of this
Amendment, paid to each Non-Consenting Lender, all accrued interest, fees and other amounts payable to such Non-Consenting Lender under any Loan Document with respect to
the Initial Term Loans assigned by such Non-Consenting Lender under Section 2(c) above (other than principal and all other amounts paid to such Non-Consenting
Lender under Section 2 above), if any, then due and owing to such Non-Consenting Lender under the Credit Agreement and the other Loan Documents (immediately prior to the effectiveness of this Amendment).

 SECTION 4. Representations and Warranties. To induce the other parties hereto to enter into this Amendment, each Loan Party
represents and warrants to each of the Lenders and the Administrative Agent that, as of the Third Amendment Effective Date: 
 (a) this
Amendment has been duly authorized, executed and delivered by each Loan Party and constitutes, and the Credit Agreement, as amended by this Amendment constitutes, its legal, valid and binding obligation, enforceable against each Loan Party in
accordance with its terms, subject to the Legal Reservations; 
 (b) the representations and warranties of each Loan Party set forth in
Article 3 of the Credit Agreement (as amended by this Amendment) and the other Loan Documents are true and correct in all material respects on and as of the Third Amendment Effective Date (both immediately before and after giving effect to this
Amendment), except to the extent that such representations and warranties specifically refer to an earlier date or specified period, in which case they shall be true and correct in all material respects as of such earlier date or for such specified
period; and 
 (c) both immediately before and after giving effect to this Amendment and the transactions contemplated hereby, no Default or
Event of Default has occurred and is continuing. 
 SECTION 5. Borrower’s Consent. For purposes of
Section 9.05 of the Credit Agreement, the Borrower hereby consents to any assignee of the Replacement Lender (in each case otherwise being an Eligible Assignee) becoming an Initial Term Lender in connection with the
syndication of the Initial Term Loans acquired by the Replacement Lender pursuant to Section 2 hereof, to the extent the inclusion of such assignee in the syndicate (and the amount of any assignment allocated thereto) has
been disclosed in writing to and agreed by the Borrower prior to the Third Amendment Effective Date. 
 SECTION 6. Effects on Loan
Documents. Except as specifically amended herein or contemplated hereby, all Loan Documents shall continue to be in full force and effect and are hereby in all respects ratified and confirmed. The execution, delivery and effectiveness of this
Amendment shall not operate as a waiver of any right, power or remedy of any Lender or the Administrative Agent under any of the Loan Documents, nor constitute a waiver of any provision of the Loan Documents or in any way limit, impair or otherwise
affect the rights and remedies of the Lenders or the Administrative Agent under the Loan Documents. Each Loan Party acknowledges and agrees that, on and after the Third Amendment Effective Date, this Amendment shall constitute a Loan Document for
all purposes of the Amended Credit Agreement. On and after the Third Amendment Effective Date, each reference in the Amended Credit Agreement to “this Agreement”, “hereunder”, “hereof”, “herein” or words of
like import referring to the Credit Agreement, and each reference in the other Loan Documents to “Credit Agreement”, “thereunder”, “thereof” or words of like import referring to the Credit Agreement shall mean and be a
reference to the Credit Agreement as amended by this Amendment, and this Amendment and the Credit Agreement as amended by this Amendment shall be read together and construed as a single instrument. Nothing herein shall be deemed to entitle any Loan
Party to a further consent to, or a further waiver, amendment, modification or other change of, any of the terms, conditions, obligations, covenants or agreements contained in the Credit Agreement as amended by this Amendment or any other Loan
Document in similar or different circumstances. 
  

  
 5 

 SECTION 7. Indemnification. The Loan Parties hereby confirm that the indemnification
provisions set forth in Section 9.03 of the Credit Agreement as amended by this Amendment shall apply to this Amendment and the transactions contemplated hereby. 

SECTION 8. Repricing Arrangers. The Loan Parties and the Initial Term Lenders party hereto agree that Barclays, HSBC Securities (USA)
Inc. and Jefferies Finance LLC (each in its capacity as an arranger with respect to this Amendment, a “Repricing Arranger”), shall be entitled to the privileges, indemnification, immunities and other benefits afforded to the
Arrangers under the Credit Agreement (including, without limitation, Sections 9.03 and 9.14 of the Credit Agreement) as amended by this Amendment and (b) except as otherwise agreed to in writing by the Borrower and each such Repricing
Arranger, each Repricing Arranger shall have no duties, responsibilities or liabilities with respect to the Credit Agreement or any other Loan Document (other than, for the avoidance of doubt, any duties, responsibilities or liabilities expressly
set forth in this Amendment, the Credit Agreement (including as such Credit Agreement is amended by this Amendment), or the Engagement Letter). 

SECTION 9. Amendments; Execution in Counterparts; Severability. 

(a) This Amendment may not be amended nor may any provision hereof be waived except in accordance with the provisions of
Section 9.02 of the Credit Agreement; and 
 (b) To the extent any provision of this Amendment is prohibited by or
invalid under the applicable law of any jurisdiction, such provision shall be ineffective only to the extent of such prohibition or invalidity and only in such jurisdiction, without prohibiting or invalidating such provision in any other
jurisdiction or the remaining provisions of this Amendment in any jurisdiction. 
 SECTION 10. Reaffirmation. Each of the Reaffirming
Parties, as party to the Credit Agreement and certain of the Collateral Documents and the other Loan Documents, in each case as amended, supplemented or otherwise modified from time to time, hereby (i) acknowledges and agrees that all of its
obligations under the Credit Agreement, the Collateral Documents and the other Loan Documents to which it is a party are reaffirmed and remain in full force and effect on a continuous basis and are hereby ratified and confirmed in all respects, in
each case as amended by this Amendment, (ii) reaffirms (A) each Lien granted by it to the Administrative Agent for the benefit of the Secured Parties and (B) any guaranties made by it pursuant to any Loan Guaranty, (iii) acknowledges
and agrees that the prior grants of security interests and Liens by it contained in the Security Agreement and any other Collateral Document, which Collateral Documents, security interests and Liens shall remain in full force and effect and continue
to secure the Secured Obligations (including, without limitation, the Obligations of the Loan Parties under the Credit Agreement after giving effect to the Amendment) and (iv) agrees that the Obligations and Secured Obligations include, among
other things and without limitation, the payment of any principal or interest on the Initial Term Loans under the Credit Agreement as amended by this Amendment. Nothing contained in this Amendment shall be construed as substitution or novation of
the obligations outstanding under the Credit Agreement or the other Loan Documents, which shall remain in full force and effect, except to any extent modified hereby. 

SECTION 11. Administrative Agent. The Borrower acknowledges and agrees that Barclays, in its capacity as administrative agent under the
Credit Agreement, will serve as Administrative Agent under the Credit Agreement as amended by this Amendment. 

  
 6 

 SECTION 12. Governing Law; Waiver of Jury Trial; Jurisdiction. THIS AMENDMENT AND ANY
CLAIM, CONTROVERSY OR DISPUTE ARISING UNDER OR RELATED TO THIS AMENDMENT, WHETHER IN TORT, CONTRACT (AT LAW OR IN EQUITY) OR OTHERWISE, SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. The
provisions of Sections 9.10(b), 9.10(c), 9.10(d) and 9.11 of the Credit Agreement as amended by this Amendment are incorporated herein by reference, mutatis mutandis. 

SECTION 13. Headings. Section headings in this Amendment are included herein for convenience of reference only, are not part of this
Amendment and are not to affect the construction of, or to be taken into consideration in interpreting, this Amendment. 
 SECTION 14.
Counterparts. This Amendment may be executed by one or more of the parties hereto on any number of separate counterparts, and all of said counterparts taken together shall be deemed to constitute one and the same instrument. Signatures
delivered by facsimile or PDF or other electronic means shall have the same force and effect as manual signatures delivered in person. 

[Remainder of page intentionally left blank.] 
  

  
 7 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and
delivered by their respective proper and duly authorized officers as of the day and year first above written. 
  

			
	Borrower:
	
	ATI HOLDINGS ACQUISITION, INC.
		
	By:	 	 /s/ Robert .McKenzie

	Name:	 	Robert .McKenzie
	Title:	 	General Counsel
	
	Holdings:
	
	WILCO INTERMEDIATE HOLDINGS, INC.
		
	By:	 	 /s/ Robert .McKenzie

	Name:	 	Robert .McKenzie
	Title:	 	General Counsel
	
	Subsidiary Guarantors:
	
	 ADIENT ALASKA, LLC

ADVANCED PHYSICAL THERAPY, LLC

APPLE PHYSICAL THERAPY, LLC

ATHLETIC & THERAPEUTIC INSTITUTE OF BOLINGBROOK, LLC

ATHLETIC & THERAPEUTIC INSTITUTE OF BOURBONNAIS, LLC

ATHLETIC & THERAPEUTIC INSTITUTE OF MILWAUKEE, LLC

ATHLETIC & THERAPEUTIC INSTITUTE OF NAPERVILLE, LLC

ATI HOLDINGS, INC.

ATI HOLDINGS, LLC

ATI HOLDINGS MISSOURI, LLC

ATI HOLDINGS OF ARIZONA, LLC

CARL GUSTAFSON, LLC

COMMUNITY REHAB, LLC

COMMUNITY REHAB OF IOWA, L.L.C.

ERHARDT PHYSICAL THERAPY AND SPORTS MEDICINE, LLC

IDEAL PHYSICAL THERAPY OF TEXAS, LLC

IDEAL PHYSICAL THERAPY OF TEXAS ADDISON, LLC

IDEAL PHYSICAL THERAPY OF TEXAS DALLAS-NORTH, LLC

  
 [Signature Page to
Amendment No. 3] 

			
	 IDEAL PHYSICAL THERAPY OF TEXAS LAS COLINAS, LLC

IDEAL PHYSICAL THERAPY OF TEXAS N.CARROLLTON PT, LLC

IDEAL PHYSICAL THERAPY OF TEXAS PLANO MEDICAL CENTER, LLC

MCM REHABILITATION, LLC

MCMINNVILLE PHYSICAL THERAPY & SPORTS MEDICINE, LLC

MICHIGAN REHABILITATION SPECIALISTS OF FOWLERVILLE, LLC

NEW CENTURY REHABILITATION, LLC.

OHIO CENTERS FOR HAND & PHYSICAL REHABILITATION, LLC

PERFORMANCE REHABILITATION OF WESTERN NEW ENGLAND, LLC

PHYSICAL THERAPY AT DAWN, LLC

PROAXIS GREENVILLE, LLC

PROAXIS THERAPY, LLC

PROAXIS THERAPY NC, LLC

PROAXIS THERAPY SC, LLC

QUANTUM PHYSICAL THERAPY CENTERS — YPSILANTI LLC

THI OF NEVADA AT DESERT VALLEY THERAPY, LLC

TOUCHSTONE HOLDCO LLC

WILLIAMETTE SPINE CENTER PHYSICAL THERAPY AND REHABILITATION, LLC

		 	
	By:	 	 /s/ Robert Mckenzie

		 	Name: Robert Mckenzie
		 	Title: General Counsel

  
 [Signature Page to
Amendment No. 3] 

			
	BARCLAYS BANK PLC, as Administrative Agent
		 	
	By:	 	 /s/ Vanessa A. Kurbatskiy

		 	Name: Vanessa A. Kurbatskiy
		 	Title: Vice President
	
	BARCLAYS BANK PLC, as Replacement Lender
		 	
	By:	 	 /s/ Vanessa A. Kurbatskiy

		 	Name: Vanessa A. Kurbatskiy
		 	Title: Vice President

  
 [Signature Page to
Amendment No. 3] 

 ANNEX I 

LENDER CONSENT TO AMENDMENT 
  

			
	[ENTER LEGAL NAME OF INITIAL TERM LENDER AND FUND MANAGER (IF ANY)], as an Initial Term Lender
		
	By:	 	  

		 	Name:
		 	Title:
	
	[[For Initial Term Lenders requiring a second signature block]
		
	By:	 	  

		 	Name:
		 	Title:    ]

 Current holding amount: $__________________ 

PROCEDURE FOR INITIAL TERM LENDERS: 
 The above-named Initial
Term Lender elects to: 
 ☐ OPTION A(1) – CONSENTS TO AMENDMENT AND CONTINUATION OF EXISTING INITIAL TERM LOANS: Consents and agrees to this
Amendment and agrees to continue as an Initial Term Lender with respect to its entire outstanding principal amount of existing Initial Term Loans under the Credit Agreement after giving effect to the Amendment, or such lesser principal amount as may
be notified to such Initial Term Lender by Barclays prior to the Third Amendment Effective Date (it being understood and agreed that, to the extent such Initial Term Lender is allocated a Reduced Allocation and the Amendment is effective in
accordance with its terms, such Initial Term Lender agrees to sell its existing Initial Term Loans in an amount equal to the difference between its Existing Allocation and its Reduced Allocation to the Replacement Lender pursuant to the Master
Assignment, and by executing this Lender Consent, such Initial Term Lender shall be deemed to have executed such Master Consent). 
 ☐ OPTION A(2)
–CONSENTSTOAMENDMENTANDPOST-CLOSING SETTLEMENT: Consents and agrees to this Amendment and elects to have the full amount of its existing Initial Term Loans outstanding immediately before the Third Amendment Effective Date purchased by the
Replacement Lender pursuant to the Master Assignment (and by executing this Lender Consent, such Initial Term Lender shall be deemed to have executed such Master Consent) and agrees to promptly purchase an equal amount (or such lesser principal
amount as may be notified to such Initial Term Lender by Barclays prior to the Third Amendment Effective Date) of Initial Term Loans from the Replacement Lender. 
  

  
 A-I-1 

 ☐ OPTION B – CONSENTS TO AMENDMENT ONLY: Consents to the Amendment and agrees to sell all of its
existing Initial Term Loans to the Replacement Lender pursuant to the Master Assignment (and by executing this Lender Consent, such Initial Term Lender shall be deemed to have executed such Master Consent). 

 

  
 A-II-2 

 ANNEX II 

FORM OF MASTER ASSIGNMENT AND ASSUMPTION AGREEMENT 

This Assignment and Assumption (the “Assignment and Assumption”) is dated as of the Third Amendment Effective Date set forth
below and is entered into by and between each Assignor identified in Section 1 below (each, an “Assignor”) and Barclays Bank PLC (the “Assignee”). Capitalized terms used but not defined herein shall have the
meanings given to them in the First Lien Credit Agreement identified below (as amended, restated, amended and restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), receipt of a copy of which is
hereby acknowledged by the Assignee. The Standard Terms and Conditions set forth in Annex I attached hereto are hereby agreed to and incorporated herein by reference and made a part of this Assignment and Assumption as if set forth herein in
full. 
 For an agreed consideration, each Assignor hereby irrevocably sells and assigns to the Assignee, and the Assignee hereby
irrevocably purchases and assumes from each Assignor, subject to and in accordance with the Standard Terms and Conditions and the Credit Agreement, as of the Third Amendment Effective Date inserted by the Administrative Agent as contemplated below,
(i) all of the Assignor’s rights and obligations in its capacity as a Lender under the Credit Agreement and any other documents or instruments delivered pursuant thereto and to the extent related to the amount and percentage interest
identified below of all of such outstanding rights and obligations of the Assignor identified below and (ii) to the extent permitted to be assigned under applicable Requirements of Law, all claims, suits, causes of action and any other right of
the Assignor (in its capacity as a Lender) against any Person, whether known or unknown, arising under or in connection with the Credit Agreement, any other documents or instruments delivered pursuant thereto or the loan transactions governed
thereby or in any way based on or related to any of the foregoing, including contract claims, tort claims, malpractice claims, statutory claims and all other claims at law or in equity related to the rights and obligations sold and assigned pursuant
to clause (i) above (the rights and obligations sold and assigned pursuant to clauses (i) and (ii) above being referred to herein collectively as the “Assigned Interest”). In the case where the
Assigned Interest covers all of the Assignor’s rights and obligations under the Credit Agreement immediately prior to the Third Amendment Effective Date, the Assignor shall cease to be a party thereto but shall continue to be entitled to the
benefits of Sections 2.15, 2.16, 2.17 and 9.03 of the Credit Agreement with respect to facts and circumstances occurring on or prior to the Third Amendment Effective Date and subject to its obligations hereunder and under
Section 9.13 of the Credit Agreement. Such sale and assignment is (i) subject to acceptance and recording thereof in the Register by the Administrative Agent pursuant to Section 9.05(b)(v) of the Credit
Agreement, (ii) without recourse to the Assignor and (iii) except as expressly provided in this Assignment and Assumption, without representation or warranty by the Assignor. 

By purchasing the Assigned Interest, the Assignee agrees that, for purposes of that certain Third Amendment to First Lien Credit Agreement
dated as of August 16, 2017 (the “Amendment”), by and among the Borrower, Holdings, the Subsidiary Guarantors party thereto, the Required Lenders, the Replacement Lender, the Consenting Lenders referred to therein, and the
Administrative Agent, it shall be deemed to have consented and agreed to the Amendment. 
 1. Assignor: Each person identified in the column entitled
“Assignor” in the table set out in Section 6 below. 
 2. Assignee: Barclays Bank PLC 

 

  
 A-II-1 

 3. Borrower: (i) ATI Holdings Acquisition, Inc., a Delaware corporation. 

4. Administrative Agent: Barclays Bank PLC, as administrative agent under the Credit Agreement. 

5. Credit Agreement: That certain First Lien Credit Agreement dated as of May 10, 2016 (as amended, restated, amended and restated, supplemented or
otherwise modified and in effect on the date hereof, the “Credit Agreement”), by and among Wilco Intermediate Holdings, Inc., a Delaware corporation (“Holdings”), ATI Holdings Acquisition, Inc., a Delaware
corporation (the “Borrower”), each Lender party thereto and Barclays Bank PLC (“Barclays”), in its capacities as administrative agent and collateral agent for the Secured Parties. 

6. Assigned Interest1: 
  

							
	 ASSIGNOR
	 	 Aggregate Amount of

Initial Term Loans held immediately
prior to the

Third Amendment
 Effective
Date
	 	 Aggregate Amount of

Initial Term Loans held
 immediately
following
 the Third Amendment

Effective Date
	 	 CUSIP

Number

		 	$	 	$—  	 	
		 	$	 	$—  	 	

 Effective Date: August [    ], 2017 

7. THE PARTIES HERETO ACKNOWLEDGE THAT ANY ASSIGNMENT TO ANY DISQUALIFIED INSTITUTION WITHOUT OBTAINING THE REQUIRED CONSENT OF THE BORROWER OR, TO THE
EXTENT THE BORROWER’S CONSENT IS REQUIRED UNDER SECTION 9.05 OF THE CREDIT AGREEMENT BUT IS NOT OBTAINED, TO ANY OTHER PERSON, SHALL BE NULL AND VOID, AND, IN THE EVENT OF ANY SUCH ASSIGNMENT (AND ANY ASSIGNMENT TO ANY
AFFILIATE OF ANY DISQUALIFIED INSTITUTION (OTHER THAN A BONA FIDE DEBT FUND)), THE BORROWER SHALL BE ENTITLED TO PURSUE THE REMEDIES DESCRIBED IN SECTION 9.05 OF THE CREDIT AGREEMENT. 

[Signature Page Follows] 
  

 

	1	 Additional pages shall be attached hereto at the discretion of the Administrative Agent, to the extent deemed
necessary or advisable by the Administrative Agent to reflect calculation of amounts and percentages of assignments. 

  

  
 A-II-2 

 The terms set forth in this Assignment and Assumption are hereby agreed to: 

 

			
	ASSIGNOR
	 [NAME OF ASSIGNOR]

		
	 By:
	 	  

		 	 Name:

		 	 Title:

 The terms set forth in this Assignment and Assumption are hereby agreed to: 

 

	☐	 ASSIGNEE HAS EXAMINED THE LIST OF DISQUALIFIED INSTITUTIONS AND (I) REPRESENTS AND
WARRANTS THAT (A) IT IS NOT IDENTIFIED ON SUCH LIST AND (B) IT IS NOT AN AFFILIATE OF ANY INSTITUTION IDENTIFIED ON SUCH LIST [(OTHER THAN, IN THE CASE OF THIS CLAUSE (B), A BONA FIDE DEBT FUND)]2 AND (II) ACKNOWLEDGES THAT ANY ASSIGNMENT MADE TO AN AFFILIATE OF A DISQUALIFIED INSTITUTION (OTHER THAN A BONA FIDE DEBT FUND) SHALL BE SUBJECT TO SECTION
9.05 OF THE CREDIT AGREEMENT.3 

  

			
	ASSIGNEE
	BARCLAYS BANK PLC
		
	By:	 	  

		 	Name:
		 	Title:
	
	Consented to and Accepted:
	
	 BARCLAYS BANK PLC,
 as
Administrative Agent

		
	By:	 	  

		 	Name:
		 	Title:

  
  

	2	 Include bracketed language if Assignee is a Bona Fide Debt Fund. 

	3	 To be completed by Assignee 

 

  
 A-II-3 

 
			
	Consented to:
	
	ATI HOLDINGS ACQUISITION, INC.,
as the Borrower
		
	By:	 	  

		 	 Name:

		 	 Title:

  

  
 A-II-4 

 STANDARD TERMS AND CONDITIONS FOR 

ASSIGNMENT AND ASSUMPTION 
 1.
Representations and Warranties. 
 1.1 Assignor. The Assignor (a) represents and warrants that (i) it
is the legal and beneficial owner of the Assigned Interest, (ii) the Assigned Interest is free and clear of any lien, encumbrance or other adverse claim, (iii) its aggregate amount of Initial Term Loans, without giving effect to
assignments thereof which have not become effective, are as set forth herein, (iv) it has full power and authority, and has taken all action necessary, to execute and deliver this Assignment and Assumption and to consummate the transactions
contemplated hereby and (v) [it is][it is not] a Defaulting Lender; and (b) makes no representation or warranty and assumes no responsibility with respect to (i) any statements, warranties or representations made in or in connection with the
Credit Agreement, any other Loan Document or any other instrument or document furnished pursuant thereto (other than this Assignment and Assumption) or any collateral thereunder, (ii) the execution, legality, validity, enforceability,
genuineness, sufficiency or value of the Loan Documents, any other instrument or document furnished in connection therewith or any collateral thereunder, (iii) the financial condition of the Borrower, any of its Restricted Subsidiaries or
Affiliates or any other Person obligated in respect of any Loan Document or (iv) the performance or observance by Holdings, the Borrower, any of its Restricted Subsidiaries or Affiliates or any other Person of any of their respective
obligations under any Loan Document or any other instrument or document furnished pursuant thereto. 
 1.2 Assignee. The
Assignee (a) represents and warrants that (i) it is an Eligible Assignee and has full power and authority, and has taken all action necessary, to execute and deliver this Assignment and Assumption and to consummate the transactions
contemplated hereby and to become a Lender under the Credit Agreement, (ii) it satisfies the requirements, if any, specified in the Credit Agreement that are required to be satisfied by it in order to acquire the Assigned Interest and become a
Lender, (iii) from and after the Effective Date, it shall be bound by the provisions of the Credit Agreement and the other Loan Documents as a Lender thereunder and, to the extent of the Assigned Interest, shall have the obligations of a Lender
thereunder, (iv) it has received a copy of the Credit Agreement and the Intercreditor Agreement, together with copies of the most recent financial statements referred to in Section 4.01(l) or the most recent financial
statements delivered pursuant to Section 5.01 thereof, as applicable, and such other documents and information as it has deemed appropriate to make its own credit analysis and decision to enter into this Assignment and
Assumption and to purchase the Assigned Interest on the basis of which it has made such analysis and decision independently and without reliance on the Administrative Agent or any other Lender, (v) it has examined the list of Disqualified
Institutions and it is not (A) a Disqualified Institution or (B) an Affiliate of a Disqualified Institution ](other than, in the case of this Clause (B), a Bona Fide Debt Fund)] and (vi) if it is a Foreign Lender, attached to the
Assignment and Assumption is any documentation required to be delivered by it pursuant to Section 2.17 of the Credit Agreement, duly completed and executed by the Assignee and (b) agrees that (i) it will,
independently and without reliance on the Administrative Agent, the Assignor or any other Lender, and based on such documents and information as it deems appropriate at the time, continue to make its own credit decisions in taking or not taking
action under the Loan Documents, (ii) it appoints and authorizes the Administrative Agent to take such action on its behalf and to exercise such powers and discretion under the Credit Agreement, the other Loan Documents or any other instrument
or document furnished pursuant hereto or thereto as are delegated to the Administrative Agent by the terms thereof, together with such powers as are reasonably incidental thereto, and (iii) it will perform in accordance with their terms all of
the obligations which by the terms of the Loan Documents are required to be performed by it as a Lender. 
  

  
 ANNEX II-1 

 2. Payments. From and after the Third Amendment Effective Date, the
Administrative Agent shall make all payments in respect of the Assigned Interest (including payments of principal, interest, fees and other amounts) to the Assignor for amounts which have accrued to but excluding the Effective Date and
to the Assignee for amounts which have accrued from and after the Third Amendment Effective Date. 
 3. General Provisions.
This Assignment and Assumption shall be binding upon, and inure to the benefit of, the parties hereto and their respective successors and permitted assigns. This Assignment and Assumption may be executed in any number of counterparts,
which together shall constitute one instrument. Delivery of an executed counterpart of a signature page of this Assignment and Assumption by facsimile or by email as a “.pdf” or “.tif” attachment shall be effective as delivery of
a manually executed counterpart of this Assignment and Assumption. This Assignment and Assumption shall be construed in accordance with and governed by the laws of the State of New York. 

 

  
 ANNEX II-2

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