EX-10.1.4



 Exhibit 10.1.4 

EXECUTION VERSION 
 ADDITIONAL
LENDER JOINDER AGREEMENT 
 THIS ADDITIONAL LENDER JOINDER AGREEMENT, dated as of December 17, 2014 (this
“Agreement”), by and among PNC Bank, National Association, The Huntington National Bank, Citizens Bank, National Association and JPMorgan Chase Bank, N.A. (each an “Additional Lender” and collectively the
“Additional Lenders”), ATKORE INTERNATIONAL, INC., a Delaware corporation (together with its successors and assigns, the “Parent Borrower”), the Subsidiary Borrowers from time to time party to the Credit Agreement
(as defined below) (together with the Parent Borrower, collectively, the “Borrowers” and each individually, a “Borrower”) and the Administrative Agent (as defined below). 

RECITALS: 
 WHEREAS, the
Borrower and the Administrative Agent are parties to the Credit Agreement, dated as of December 22, 2010 (as amended by the First Amendment to Credit Agreement, dated as of February 3, 2011, the Second Amendment to Credit Agreement and
First Amendment to and Reaffirmation of Guarantee and Collateral Agreement, dated as of October 23, 2013 and the Third Amendment to Credit Agreement, dated as of April 9, 2014, the “Credit Agreement”), capitalized terms
defined therein being used herein as therein defined), among the Borrowers, the several banks and other financial institutions from time to time parties thereto (the “Lenders”), UBS AG, STAMFORD BRANCH, as an issuing lender, as
administrative agent (in such capacity, the “Administrative Agent”) for the Lenders and as collateral agent for the Secured Parties, DEUTSCHE BANK AG NEW YORK BRANCH, as co-collateral agent, and UBS LOAN FINANCE LLC, as swingline
lender; and 
 WHEREAS, subject to the terms and conditions of the Credit Agreement, the Borrowers may increase the Commitments by entering
into one or more Joinder Agreements with the Additional Lenders. 
 NOW, THEREFORE, in consideration of the premises and agreements,
provisions and covenants herein contained, the parties hereto agree as follows: 
 Each Additional Lender party hereto hereby agrees to
commit to provide its respective Accordion Revolving Commitments as set forth on Schedule A annexed hereto, on the terms and subject to the conditions set forth below. 

Each Additional Lender (i) confirms that it has received a copy of the Credit Agreement and the other Loan Documents, together with
copies of the financial statements referred to therein and such other documents and information as it has deemed appropriate to make its own credit analysis and decision to enter into this Agreement; (ii) agrees that it will, independently and
without reliance upon the Administrative Agent, or any other Lender or Agent and based on such documents and information as it shall deem appropriate at the time, continue to make its own credit decisions in taking or not taking action under the
Credit Agreement; (iii) appoints and authorizes the Administrative Agent to take such action as agent on its behalf and to exercise such powers under the Credit Agreement and the other Loan Documents as are delegated to the Administrative Agent
by the terms thereof, together with such powers as are reasonably incidental thereto; and (iv) agrees that it will perform in accordance with their terms all of the obligations which by the terms of the Credit Agreement are required to be
performed by it as a Lender. 







 Each Additional Lender hereby agrees to make its Accordion Revolving Commitment as set forth on
Schedule A on the following terms and conditions: 
 1. Other Fees. The Parent Borrower agrees to pay (or cause to be paid) to
the Administrative Agent for the ratable benefit of each Additional Lender a non-refundable upfront fee in an amount up to 0.20% of the aggregate principal amount of Accordion Revolving Commitments held by such Additional Lender as of the date
hereof. 
 2. Additional Lenders. Each Additional Lender Acknowledges and agrees that upon its execution of this Agreement that such
Additional Lender shall become a “Lender” under, and for all purposes of, the Credit Agreement and the other Loan Documents, and shall be subject to and bound by the terms thereof, and shall perform all the obligations of and shall have
all rights of a Lender thereunder. 
 3. Credit Agreement Governs. Except as set forth in this Agreement and any related amendments
to the Loan Documents, Accordion Facility Increases shall otherwise be subject to the provisions of the Credit Agreement and the other Loan Documents. 

4. Parent Borrower’s Certifications. By its execution of this Agreement, the undersigned officer of the Parent Borrower, to the
best of his or her knowledge, hereby certifies that: 
 (i) The representations and warranties of the Parent Borrower set
forth in the Credit Agreement and in each of the other Loan Documents to which it is a party or which are contained in any certificate furnished by or on behalf of the Parent Borrower pursuant to the Credit Agreement or any of the other Loan
Documents to which it is a party are true and correct in all material respects on and as of the date hereof, with the same effect as if made on the date hereof except for representations and warranties expressly stated to relate to a specific
earlier date, in which case such representations and warranties are true and correct in all material respects as of such earlier date; and 

(ii) No Default or Event of Default has occurred and is continuing as of the date hereof or after giving effect to the Loans to
be made on the date hereof and/or the issuance of any Letters of Credit to be issued on the date hereof. 
 5. Borrower Covenant. By
its execution of this Agreement, the applicable Borrower hereby covenants to deliver or cause to be delivered all legal opinions and other documents reasonably requested by the Administrative Agent, as applicable, in connection with this Agreement.

 6. Notice. For purposes of the Credit Agreement, the initial notice address of each Additional Lender shall be as set forth below
its signature below. 







 7. Tax Forms. Each Additional Lender shall deliver herewith to the Borrowers and the
Administrative Agent such forms, certificates or other evidence with respect to United States federal tax matters as contemplated by Subsection 4.11(b) and (c) of the Credit Agreement. 

8. Recordation of the New Loans. Upon execution and delivery hereof, the Administrative Agent will record the Accordion Facility
Increase made by the Additional Lender in the Register. 
 9. Amendment, Modification and Waiver. This Agreement may not be amended,
modified or waived except by an instrument or instruments in writing signed and delivered on behalf of each of the parties hereto, except as provided for in Subsection 11.1 of the Credit Agreement. 

10. Entire Agreement. This Agreement, the Credit Agreement and the other Loan Documents represent the entire agreement among the
parties with respect to the subject matter hereof, and there are no promises, undertakings, representations or warranties by any of the parties relative to the subject matter hereof not expressly set forth or referred to herein or in the other Loan
Documents. 
 11. GOVERNING LAW. THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY, AND
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO ITS PRINCIPLES OR RULES OF CONFLICT LAWS TO THE EXTENT SUCH PRINCIPLES OR RULES ARE NOT MANDATORILY APPLICABLE BY STATUTE AND WOULD REQUIRE OR
PERMIT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION. 
 12. Severability. Any provision of this Agreement which is
prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability
in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction. 
 13. Counterparts. This
Agreement may be executed by one or more of the parties to this Agreement on any number of separate counterparts (including by telecopy), and all of such counterparts taken together shall be deemed to constitute one and the same instrument. A set of
the copies of this Agreement signed by all the parties shall be delivered to the Parent Borrower and the Administrative Agent. 







 IN WITNESS WHEREOF, each of the undersigned has caused its duly authorized officer to execute and
deliver this Joinder Agreement as of the date first above written. 
  

					
	PNC Bank, National Association
		
	By:	 	 /s/ Paul Krantz

		 	Name:	 	Paul Krantz
		 	Title:	 	Senior Vice President
	
	Attention: Portfolio Manager
	Telephone: 312-454-2920
	Facsimile: 312-454-2919
	
	JPMorgan Chase Bank, N.A.
		
	By:	 	 /s/ Elizabeth Manning

		 	Name:	 	Elizabeth Manning
		 	Title:	 	Authorized Officer
	
	Attention:
	Telephone:
	Facsimile:
	
	Citizens Bank, N.A.
		
	By:	 	 /s/ Kimberly A. Crotty

		 	Name:	 	Kimberly A. Crotty
		 	Title:	 	Senior Vice President
	
	Attention: Kimberly A. Crotty
	Telephone: 312.777.3508
	Facsimile: 312.777.3492



  
 [Signature Page to
Additional Lender Joinder] 








 
					
	The Huntington National Bank
		
	By:	 	 /s/ Dennis Hatvany

		 	Name:	 	Dennis Hatvany
		 	Title:	 	Senior Vice President
	
	Attention: ABL Account Executive
	Telephone: 216 515 6608
	Facsimile:









 
					
	ATKORE INTERNATIONAL, INC.
		
	By:	 	 /s/ John P. Williamson

		 	Name:	 	John P. Williamson
		 	Title:	 	President and Chief Executive Officer



  
 [Signature Page to
Additional Lender Joinder] 








 
					
	UBS AG, STAMFORD BRANCH, as Administrative Agent
		
	By:	 	 /s/ Lana Gifas

		 	Name:	 	Lana Gifas
		 	Title:	 	Director
		 		 	Banking Products Services, US
	
	UBS AG, STAMFORD BRANCH, as Administrative Agent
		
	By:	 	 /s/ Jennifer Anderson

		 	Name:	 	Jennifer Anderson
		 	Title:	 	Associate Director
		 		 	Banking Products Services, US



  
 [Signature Page to
Additional Lender Joinder] 








 SCHEDULE A 

to the Joinder Agreement 
  

					
	 Lender
	  	Allocations	 
	 PNC Bank, National Association
	  	$	17,500,00	  
	 The Huntington National Bank
	  	$	2,000,000	  
	 Citizens Bank, National Association
	  	$	3,000,000	  
	 JPMorgan Chase Bank, N.A.
	  	$	2,500,000	  
		  	  
	  
	 
	 Total Additional Lender Commitments
	  	$	25,000,000