EX-10.A



 Exhibit 10(a) 

EXTENSION AGREEMENT 

October 2, 2015 

JPMorgan Chase Bank, N.A., as the Agent 
 under the Credit
Agreement referred to below 
 JPMorgan Chase Bank, N.A. 
 500
Stanton Christiana Road, 3/Ops2 
 Newark, Delaware 19713 

Attention: Michelle Carey, Wholesale Loan Operations 
 JPMorgan
Chase Bank, N.A. 
 383 Madison Avenue, 27th Floor 

New York, New York 10179 
 Attention: Kristin Alotta, Investment
Grade Finance 
 Ladies and Gentlemen: 

Reference is made to (i) the Amended and Restated Revolving Credit Agreement, dated as of October 11, 2011 (as supplemented by the
Joinder Agreement, dated as of May 15, 2012, the “Credit Agreement”), among Oncor Electric Delivery Company LLC, as the Borrower, the banks and other financial institutions party thereto as Lenders, JPMorgan Chase Bank,
N.A., as the Agent, the Swingline Lender and a Fronting Bank, and the other Fronting Banks party thereto, and (ii) the Borrower’s request, dated September 3, 2015 (the “Extension Request”), for (A) an
extension of the Commitment Termination Date to October 11, 2017, and (B) the related extensions of the Swingline Termination Date and the Fronting Bank Termination Date, in each case, to the date that is three Business Days before
October 11, 2017 (such extensions, collectively, the “Extension”). Unless otherwise indicated, capitalized terms used herein and not otherwise defined herein have the meanings given such terms in the Credit Agreement.

 In response to the Extension Request, (i) each undersigned Lender agrees to extend its Commitment Termination Date to
October 11, 2017, and (ii) the Swingline Lender and each undersigned Fronting Bank agrees to extend its Swingline Termination Date or Fronting Bank Termination Date, as applicable, to the date that is three Business Days before
October 11, 2017, the Extension to be effective on October 2, 2015 (the “Extension Date”). 
 This
Extension Agreement shall be construed in accordance with and governed by the law of the State of New York. Except as specifically provided above, (i) the Credit Agreement and the other Credit Documents shall remain in full force and effect and
are hereby ratified and confirmed in all respects by the parties hereto, and (ii) the execution and delivery of this 







 Extension Agreement shall not operate as a waiver of any right, power or remedy of the Agent or any Lender under
the Credit Agreement or any other Credit Documents, nor constitute a waiver of any provision of the Credit Agreement or any other Credit Documents. This Extension Agreement constitutes a Credit Document and is subject to the provisions of Sections
8.05, 8.15, 8.18, 8.19 and 8.21 of the Credit Agreement, each of which is incorporated herein by reference, mutatis mutandis. This Extension Agreement may be signed in any number of counterparts, each of which shall be an original, with the
same effect as if the signatures thereto and hereto were upon the same instrument. 
 [Signature pages follow] 

  
 Extension Agreement
(Oncor) 








 
					
	Bank Hapoalim B.M.
		
	By:	 	 /s/ Helen H. Gateson

		 	Name:	 	Helen H. Gateson
		 	Title:	 	Vice President
		
	By:	 	 /s/ Charles McLaughlin

		 	Name:	 	Charles McLaughlin
		 	Title:	 	Senior Vice President



  
 Extension Agreement
(Oncor) 








 
					
	BOKF, NA d/b/a Bank of Texas
		
	By:	 	 /s/ Matthew Renna

		 	Name:	 	Matthew Renna
		 	Title:	 	Vice President



  
 Extension Agreement
(Oncor) 








 
					
	Barclays Bank PLC
		
	By:	 	 /s/ Vanessa Kurbatskiy

		 	Name:	 	Vanessa Kurbatskiy
		 	Title:	 	Vice President



  
 Extension Agreement
(Oncor) 








 
					
	THE BANK OF NEW YORK MELLON
		
	By:	 	 /s/ Hussam S. Alsahlani

		 	Name:	 	Hussam S. Alsahlani
		 	Title:	 	Vice President



  
 Extension Agreement
(Oncor) 








 
					
	Bank of America, N.A.
		
	By:	 	 /s/ Patrick Engel

		 	Name:	 	Patrick Engel
		 	Title:	 	Director



  
 Extension Agreement
(Oncor) 








 
					
	CIBC INC., as a Lender
		
	By:	 	 /s/ Robert W. Casey, Jr.

		 	Name:	 	Robert W. Casey, Jr.
		 	Title:	 	Authorized Signatory
		
	By:	 	 /s/ Anju Abraham

		 	Name:	 	Anju Abraham
		 	Title:	 	Authorized Signatory



  
 Extension Agreement
(Oncor) 








 
					
	Citibank, N.A.
		
	By:	 	 /s/ Ashwani Khubani

		 	Name:	 	Ashwani Khubani
		 	Title:	 	Vice President / Director



  
 Extension Agreement
(Oncor) 








 
					
	COMERICA BANK
		
	By:	 	 /s/ Kyle J. Weiss

		 	Name:	 	Kyle J. Weiss
		 	Title:	 	Vice President



  
 Extension Agreement
(Oncor) 








 
					
	 CREDIT SUISSE AG,
 CAYMAN
ISLANDS BRANCH

		
	By:	 	 /s/ Robert Hetu

		 	Name:	 	Robert Hetu
		 	Title:	 	Authorized Signatory
		
	By:	 	 /s/ Stefan Dickenmann

		 	Name:	 	Stefan Dickenmann
		 	Title:	 	Authorized Signatory



  
 Extension Agreement
(Oncor) 








 
					
	MIZUHO BANK, LTD.
		
	By:	 	 /s/ Leon Mo

		 	Name:	 	Leon Mo
		 	Title:	 	Authorized Signatory



  
 Extension Agreement
(Oncor) 








 
					
	Morgan Stanley Bank, N.A.
		
	By:	 	 /s/ Michael King

		 	Name:	 	Michael King
		 	Title:	 	Authorized Signatory



  
 Extension Agreement
(Oncor) 








 
					
	NORTHERN TRUST COMPANY
		
	By:	 	 /s/ John C. Canty

		 	Name:	 	John C. Canty
		 	Title:	 	Senior Vice President



  
 Extension Agreement
(Oncor) 








 
					
	Sumitomo Mitsui Banking Corporation
		
	By:	 	 /s/ James D. Weinstein

		 	Name:	 	James D. Weinstein
		 	Title:	 	Managing Director



  
 Extension Agreement
(Oncor) 








 
					
	PNC Bank, National Association
		
	By:	 	 /s/ Jon R. Hinard

		 	Name:	 	Jon R. Hinard
		 	Title:	 	Managing Director



  
 Extension Agreement
(Oncor) 








 
					
	ROYAL BANK OF CANADA
		
	By:	 	 /s/ Frank Lambrinos

		 	Name:	 	Frank Lambrinos
		 	Title:	 	Authorized Signatory



  
 Extension Agreement
(Oncor) 








 
					
	MUFG Union Bank, N.A.
		
	By:	 	 /s/ Jeffrey Fesenmaier

		 	Name:	 	Jeffrey Fesenmaier
		 	Title:	 	Managing Director



  
 Extension Agreement
(Oncor) 








 
					
	U.S. Bank N.A.
		
	By:	 	 /s/ Eric J. Cosgrove

		 	Name:	 	Eric J. Cosgrove
		 	Title:	 	Vice President



  
 Extension Agreement
(Oncor) 








 
					
	 WELLS FARGO BANK, NATIONAL

ASSOCIATION

		
	By:	 	 /s/ Nick Brokke

		 	Name:	 	Nick Brokke
		 	Title:	 	Vice President



  
 Extension Agreement
(Oncor) 








 AGREED AND ACCEPTED: 

ONCOR ELECTRIC DELIVERY COMPANY LLC 

			
		
	By:	 	 /s/ John M. Casey

		 	 John M. Casey
 Vice President -
Treasurer



  
 Extension Agreement
(Oncor) 








 JPMORGAN CHASE BANK, N.A., 

as Agent, Swingline Lender, a Fronting Bank and a Lender 
  

					
		
	By:	 	 /s/ Peter Christensen

		 	Name:	 	Peter Christensen
		 	Title:	 	Vice President


  
 Extension Agreement
(Oncor)