Document:

EX-4.1

 Exhibit 4.1 
  

 
  

PIEDMONT NATURAL GAS COMPANY, INC. 

AND 
 THE BANK OF NEW YORK
MELLON 
 TRUST COMPANY, N.A., AS TRUSTEE 

SEVENTH SUPPLEMENTAL INDENTURE 

DATED AS OF SEPTEMBER 14, 2015 

SUPPLEMENT TO INDENTURE DATED AS OF APRIL 1, 1993 

3.60% SENIOR NOTES, DUE 2025 
  

 
  

 TABLE OF CONTENTS1 

 

					
	 	  	Page	 
	 ARTICLE 1 3.60% Senior Notes Due 2025
	  	 	2	  
		
	 SECTION 101. Establishment
	  	 	2	  
		
	 SECTION 102. Definitions
	  	 	2	  
		
	 SECTION 103. Payment of Principal and Interest
	  	 	3	  
		
	 SECTION 104. Denominations
	  	 	4	  
		
	 SECTION 105. Book-Entry Debt Securities
	  	 	4	  
		
	 SECTION 106. Transfer
	  	 	4	  
		
	 SECTION 107. Redemption at the Company’s Option
	  	 	5	  
		
	 ARTICLE 2 Miscellaneous Provisions
	  	 	5	  
		
	 SECTION 201. Concerning the Trustee
	  	 	5	  
		
	 SECTION 202. Defeasance; Satisfaction and Discharge
	  	 	5	  
		
	 SECTION 203. Sinking Fund
	  	 	5	  
		
	 SECTION 204. Notices
	  	 	6	  
		
	 SECTION 205. Miscellaneous
	  	 	6	  
		
	 EXHIBIT A FORM OF NOTE
	  			
		
	 EXHIBIT B CERTIFICATE OF AUTHENTICATION
	  			

  

	1 	This Table of Contents does not constitute part of the Indenture or have any bearing upon the interpretation of any of its terms and provisions. 

  
 i 

 THIS SEVENTH SUPPLEMENTAL INDENTURE (this “Seventh Supplemental Indenture”),
dated as of September 14, 2015, between PIEDMONT NATURAL GAS COMPANY, INC., a corporation organized and existing under the laws of the State of North Carolina (the “Company”), and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., a
national banking association duly organized and existing under the laws of the United States, as successor to Citibank, N.A. (the “Trustee”). 

WITNESSETH: 
 WHEREAS, a
predecessor to the Company has heretofore executed and delivered to the Trustee an Indenture dated as of April 1, 1993 (the “Base Indenture”); 

WHEREAS, the Company has heretofore executed and delivered to the Trustee a First Supplemental Indenture dated as of February 25, 1994
pursuant to which the Company assumed all of the obligations of its predecessor company under the Base Indenture; 
 WHEREAS, the Company
has heretofore executed and delivered to the Trustee a Second Supplemental Indenture dated as of June 15, 2003 pursuant to which Section 4.07 (“Limitation on Liens”) of the Base Indenture was amended, applicable to all Series of
Debt Securities issued after June 15, 2003; 
 WHEREAS, the Company has heretofore executed and delivered to the Trustee a Third
Supplemental Indenture dated as of June 20, 2006 pursuant to which (i) the Company issued $200,000,000 in aggregate principal amount of its 6.25% Insured Quarterly Notes Series 2006 due 2036 and (ii) the Limitation on Liens and
related definitions in Section 1.01 of the Base Indenture were amended, applicable to all series of Debt Securities issued on or after June 20, 2006; 

WHEREAS, the Company has heretofore executed and delivered to the Trustee a Fourth Supplemental Indenture dated as of May 6, 2011
pursuant to which Section 5.03 of the Base Indenture was amended, applicable to all series of Debt Securities issued on or after May 6, 2011; 

WHEREAS, the Company has heretofore executed and delivered to the Trustee a Fifth Supplemental Indenture dated as of August 1, 2013
pursuant to which the Company issued $300,000,000 in aggregate principal amount of its 4.65% Senior Notes due 2043; 
 WHEREAS, the Company
has heretofore executed and delivered to the Trustee a Sixth Supplemental Indenture dated as of September 18, 2014 pursuant to which the Company issued $250,000,000 in aggregate principal amount of its 4.10% Senior Notes due 2034 (all such
supplemental indentures, together with the Base Indenture, the “Original Indenture”); 
 WHEREAS, the Original Indenture is
incorporated herein by this reference and the Original Indenture, as heretofore supplemented and as further supplemented by this Seventh Supplemental Indenture, is herein called the “Indenture”; 

WHEREAS, the Original Indenture provides that the Company and the Trustee may from time to time enter into indentures supplemental thereto to
issue and establish the form or terms of a new series of Debt Securities; 
 WHEREAS, the Company proposes to issue under the Indenture a
new series of Debt Securities; and 

 WHEREAS, the Company represents that all acts and things necessary to constitute this Seventh
Supplemental Indenture and the Notes (as defined below), when executed by the Company and authenticated and delivered by the Trustee, the valid, binding and enforceable obligations of the Company have been done and performed, and the execution of
this Seventh Supplemental Indenture has in all respects been duly authorized, and the Company, in the exercise of legal right and power in it vested, is executing this Seventh Supplemental Indenture. 

NOW, THEREFORE, in consideration of the premises and of the mutual covenants herein contained and for other valuable consideration, the
receipt whereof is hereby acknowledged, the parties have executed and delivered this Seventh Supplemental Indenture and the Company covenants and agrees with the Trustee as follows: 

ARTICLE 1 
 3.60% Senior
Notes Due 2025 
 SECTION 101. Establishment. There is hereby established a new series of Debt Securities to be issued
under the Indenture, to be designated as the Company’s 3.60% Senior Notes Due 2025 (the “Notes”).  
 There are to be
initially authenticated and delivered $150,000,000 aggregate principal amount of Notes; provided, however, that the authorized aggregate principal amount of the Notes may be increased above such amount without the consent of the Holders of any then
outstanding Notes by a Board Resolution authorizing such increase; provided, further, that any additional Notes issued pursuant to such increase must be part of the same issue and fungible with the initially issued Notes for U.S. Federal income tax
purposes. No Notes shall otherwise be authenticated and delivered in excess of the initial aggregate principal amount except as provided by Sections 2.07, 2.08, 2.09, 3.03 or 10.04 of the Original Indenture. The Notes shall be issued in definitive
fully registered form. 
 The Notes shall be issued in the form of a Book-Entry Debt Security in substantially the form set out in Exhibit A
hereto. The Depository with respect to the Notes shall be The Depository Trust Company. 
 The form of the Trustee’s Certificate of
Authentication for the Notes shall be in substantially the form set forth in Exhibit B hereto. 
 Each Note shall be dated the date of
authentication thereof and shall bear interest from the date of original issuance thereof or from the most recent Interest Payment Date to which interest has been paid or duly provided for. 

SECTION 102. Definitions. The following defined terms used herein shall, unless the context otherwise requires, have the
meanings specified below. Capitalized terms used herein for which no definition is provided herein shall have the meanings set forth in the Original Indenture.  

“Comparable Treasury Issue” means the United States Treasury security selected by the Quotation Agent as having a maturity
comparable to the remaining term of the Notes to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the
remaining term of the Notes. 
 “Comparable Treasury Price” means, with respect to any redemption date, (1) the average of
four Reference Treasury Dealer Quotations for such redemption date, after excluding the highest and lowest such Reference Treasury Dealer Quotations, or (2) if the Quotation Agent obtains fewer than four such Reference Treasury Dealer
Quotations, the average of all such quotations, or (3) if only one such Reference Treasury Dealer Quotation is received, such quotation. 

  
 2 

 “Interest Payment Dates” means March 1 and September 1 of each year,
commencing March 1, 2016. 
 “Original Issue Date” means September 14, 2015. 

“Quotation Agent” means a Reference Treasury Dealer appointed by the Company. 

“Reference Treasury Dealer” means (1) a primary U.S. government securities dealer in the United States of America
(“Primary Treasury Dealer”) selected by each of BB&T Capital Markets, a division of BB&T Securities, LLC, and U.S. Bancorp Investments, Inc. or their affiliates, and successors, and (2) two other Primary Treasury Dealers
selected by the Company. 
 “Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any
redemption date, the average, as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Quotation Agent by such
Reference Treasury Dealer at 5:00 p.m., New York City time, on the third business day preceding such redemption date. 
 “Stated
Maturity” means September 1, 2025. 
 “Treasury Rate” means, with respect to any redemption date, the rate per annum
equal to the semi-annual equivalent yield to maturity of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the
Comparable Treasury Price for such redemption date. 
 SECTION 103. Payment of Principal and Interest. The principal of the
Notes shall be due at the Stated Maturity (unless earlier redeemed). The unpaid principal amount of the Notes shall bear interest at the rate of 3.60% per annum until paid or duly provided for. Interest shall be paid semi-annually in arrears on each Interest Payment Date to the Person in whose name the Notes are registered at the close of business on the Record Date for such Interest Payment Date, provided that interest payable
at the Stated Maturity of principal or on a redemption date as provided herein will be paid to the Person to whom principal is payable. Any such interest that is not so punctually paid or duly provided for will forthwith cease to be payable to the
Holders on such Record Date and will be paid to the Person in whose name the Notes are registered on a subsequent record date established for the payment of such defaulted interest by notice given by mail or on behalf of the Company to the Holders
no less than fifteen (15) days preceding such subsequent record date, such record date to be not less than five (5) days preceding the date of payment of such defaulted interest or in any other lawful manner acceptable to the Trustee. 

Payments of interest on the Notes will include interest accrued to but excluding the respective Interest Payment Date. Interest payments for
the Notes shall be computed and paid on the basis of a 360-day year of twelve 30-day months (and for any partial periods shall be calculated on the basis of the number of days elapsed in a 360-day year of twelve 30-day months). In the event that any
date on which interest is payable on the Notes is not a Business Day, then payment of the interest payable on such date will be made on the next succeeding day that is a Business Day (and without any interest or other payment in respect of any such
delay), with the same force and effect as if made on the date the payment was originally payable. 

  
 3 

 Payment of the principal and interest due at the Stated Maturity or earlier redemption of the
Notes shall be made upon surrender of the Notes at the Corporate Trust Office of the Trustee. The principal of and interest on the Notes shall be paid in such coin or currency of the United States of America as at the time of payment is legal tender
for payment of public and private debts. Payments of the principal and interest (including interest on any Interest Payment Date) will be made, subject to such surrender where applicable, at the option of the Company, (i) by wire transfer to
the Holders entitled thereto who have provided appropriate wire transfer instructions to the Trustee, or by check mailed to the Holders of the Notes entitled thereto at their last addresses as they appear on the Debt Security Register or
(ii) if the Notes are Book-Entry Debt Securities, the Depository, as Holder of the Notes, shall be entitled to receive payment of interest by wire transfer of immediately available funds. 

SECTION 104. Denominations. The Notes may be issued in denominations of $1,000, or any integral multiple thereof. 

SECTION 105. Book-Entry Debt Securities. The Notes will be issued in the form of a
Book-Entry Debt Security registered in the name of the Depository or its nominee. Except under the limited circumstances described below, Notes represented by the
Book-Entry Debt Security will not be exchangeable for, and will not otherwise be issuable as, Notes in definitive, non-global form. The Book-Entry Debt Securities
described above may not be transferred except by the Depository to a nominee of the Depository or by a nominee of the Depository to the Depository or another nominee of the Depository or to a successor Depository or its nominee. 

Owners of beneficial interests in such a Book-Entry Debt Security will not be considered the Holders
thereof for any purpose under the Indenture, and no Book-Entry Debt Security representing a Note shall be exchangeable, except for another Book-Entry Debt Security of like denomination and tenor to be
registered in the name of the Depository or its nominee or to a successor Depository or its nominee. The rights of Holders of such Book-Entry Debt Security shall be exercised only through the Depository. 

Subject to the procedures of the Depository, a Book-Entry Debt Security shall be exchangeable for
Notes registered in the names of persons other than the Depository or its nominee only if (i) the Depository notifies the Company that it is unwilling or unable to continue as a Depository for such
Book-Entry Debt Security and no successor Depository shall have been appointed by the Company, or if at any time the Depository ceases to be a clearing agency registered under the Securities Exchange Act of
1934, as amended, at a time when the Depository is required to be so registered to act as such Depository and no successor Depository shall have been appointed by the Company, in each case within 60 days after the Company receives such notice or
becomes aware of such cessation, (ii) the Company in its sole discretion determines that such Book-Entry Debt Security shall be so exchangeable, or (iii) there shall have occurred an Event of Default
with respect to the Notes. Any Book-Entry Debt Security that is exchangeable pursuant to the preceding sentence shall be exchangeable for Notes registered in such names as the Depository shall direct. 

SECTION 106. Transfer. No service charge will be made for the exchange or to register a transfer of Notes, but payment will be
required of a sum sufficient to cover any tax or other governmental charge that may be imposed in connection therewith. 
 The Company shall
not be required to exchange or register a transfer of (a) Notes for a period of fifteen (15) days next preceding the mailing of the notice of any redemption of Notes to be redeemed, or (b) Notes selected, called or being called for
redemption, except, in the case of Notes to be redeemed in part, the portion thereof not to be so redeemed. 

  
 4 

 SECTION 107. Redemption at the Company’s Option. Prior to June 1, 2025,
the Company shall have the right to redeem the Notes, at its option, at any time in whole, or from time to time in part, at a redemption price equal to the greater of: 

(i) 100% of the principal amount of the Notes to be redeemed; and 

(ii) the sum of the present values of the remaining scheduled payments of principal and interest on the Notes to be redeemed
(not including any portion of such payments of interest accrued as of the date of redemption), discounted to the date of redemption on a semi-annual basis (assuming a
360-day year consisting of twelve 30-day months) at the Treasury Rate, plus 25 basis points; 

plus, in each case, accrued and unpaid interest on the principal amount being redeemed to the redemption date. 

On or after June 1, 2025, the Company shall have the right to redeem the Notes, at its option, at any time in whole, or from time to time
in part, at a redemption price equal to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaid interest on the principal amount being redeemed to the redemption date. 

Notwithstanding the foregoing, installments of interest on the Notes that are due and payable on an Interest Payment Date falling on or prior
to a redemption date shall be payable on such Interest Payment Date to the Holders as of the close of business on the relevant Record Date. 

On or after the date of redemption, interest will cease to accrue on the Notes or portion of the Notes redeemed. However, interest will
continue to accrue if the Company defaults in the payment of the amount due upon redemption. 
 ARTICLE 2 

Miscellaneous Provisions 

SECTION 201. Concerning the Trustee. The Trustee accepts the trusts of the Indenture and agrees to perform the same, but only
upon the terms and conditions set forth in the Indenture, to which the parties hereto and the Holders from time to time agree. Without limiting the generality of the foregoing, the Trustee assumes no responsibility for the correctness of the
recitals herein contained, which shall be taken as the statements of the Company. The Trustee makes no representation or warranty as to, and assumes no responsibility for, the validity or adequacy of this Seventh Supplemental Indenture or the Notes,
it shall not be accountable for the Company’s use of proceeds from the Notes, and it shall not be responsible for any statement of the Company in this Seventh Supplemental Indenture or in any document issued in connection with the sale of the
Notes or in the Notes other than the Trustee’s certificate of authentication. 
 SECTION 202. Defeasance; Satisfaction and
Discharge. The provisions of Article Thirteen of the Base Indenture shall apply to the Notes. 
 SECTION 203. Sinking
Fund. The Notes are not entitled to the benefits of any sinking fund. 

  
 5 

 SECTION 204. Notices. The address for any notice or demand under this Seventh
Supplemental Indenture for each of the parties shall be as follows: 
 If to the Company: 

Piedmont Natural Gas Company, Inc. 

4720 Piedmont Row Drive 

Charlotte, North Carolina 28210 

Attention: Treasurer 
 With a copy
to: 
 Piedmont Natural Gas Company, Inc. 

4720 Piedmont Row Drive 

Charlotte, North Carolina 28210 

Attention: General Counsel 
 If to
the Trustee: 
 The Bank of New York Mellon Trust Company, N.A. 

10161 Centurion Parkway 

Jacksonville, Florida 32256 

Attention: Corporate Trust Administration 

SECTION 205. Miscellaneous. 

(a) Except as hereby expressly amended hereby, the Original Indenture is in all respects ratified and confirmed and all the terms, provisions
and conditions thereof shall be and remain in full force and effect. 
 (b) All the covenants, stipulations, promises and agreements in this
Seventh Supplemental Indenture contained by or on behalf of the Company shall bind its successors and assigns, whether so expressed or not. 

(c) This Seventh Supplemental Indenture and each Note shall be deemed to be a contract made under the laws of the State of New York and for all
purposes shall be governed by and construed in accordance with the laws of said State. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM (WHETHER BASED ON CONTRACT, TORT OR
OTHERWISE) ARISING OUT OF OR RELATING TO THE INDENTURE, THE NOTES OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY. 
 (d) If any provision
of the Indenture limits, qualifies or conflicts with a provision of the Trust Indenture Act that is required under such Act to be a part of or govern the Indenture, such latter provision shall control. If any provision of the Indenture modifies or
excludes any provision of the Trust Indenture Act that may be so modified or excluded, the latter provision shall be deemed to apply to the Indenture as so modified or to be excluded, as the case may be. 

(e) The titles and headings of the sections of this Seventh Supplemental Indenture have been inserted for convenience of reference only, are
not to be considered a part hereof and shall in no way modify or restrict any of the terms or provisions hereof. 
 (f) This Seventh
Supplemental Indenture may be executed in any number of counterparts, each of which shall be deemed an original, and such counterparts shall together constitute one and the same instrument. 

  
 6 

 (g) In case any provision in this Seventh Supplemental Indenture shall be invalid, illegal or
unenforceable, the validity, legality and enforceability of the remaining provisions hereof or of the Indenture shall not in any way be affected or impaired thereby. 

[Signature page to follow.] 

  
 7 

 IN WITNESS WHEREOF, the parties hereto have caused this Seventh Supplemental Indenture to be duly
executed, and attested, all as of the date first above written. 
  

											
	ATTEST:	 		 		 		 	
		 		 		 	PIEDMONT NATURAL GAS COMPANY, INC.
					
	By:	 	 /s/ Judy Z. Mayo
	 		 	By:	 	 /s/ Karl W. Newlin

		 	Secretary	 		 		 	Name:	 	Karl W. Newlin
		 		 		 		 	Title:	 	Senior Vice President and Chief Financial Officer
				
	ATTEST:	 		 		 	 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,

as Trustee

					
	By:	 	 /s/ Fanny Chen
	 		 	By:	 	 /s/ Valere D. Boyd

		 		 		 		 	Name:	 	Valere D. Boyd
		 		 		 		 	Title:	 	Vice President

 EXHIBIT A 

FORM OF NOTE 
 UNLESS THIS CERTIFICATE IS
PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME
OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER,
PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 

THIS DEBT SECURITY IS A BOOK-ENTRY DEBT SECURITY WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY OR
A NOMINEE OF A DEPOSITORY OR A SUCCESSOR DEPOSITORY. THIS DEBT SECURITY IS EXCHANGEABLE FOR DEBT SECURITIES REGISTERED IN THE NAME OF A PERSON OTHER THAN THE DEPOSITORY OR ITS NOMINEE ONLY IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE, AND
NO TRANSFER OF THIS DEBT SECURITY (OTHER THAN A TRANSFER OF THIS DEBT SECURITY AS A WHOLE BY THE DEPOSITORY TO A NOMINEE OF THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR ANOTHER NOMINEE OF THE DEPOSITORY) MAY BE REGISTERED
EXCEPT IN SUCH LIMITED CIRCUMSTANCES. 
 PIEDMONT NATURAL GAS COMPANY, INC. 

3.60% SENIOR NOTES DUE 2025 
  

			
	No. R-1	  	$150,000,000
		
	 CUSIP No. 720186AJ4
	  	

 PIEDMONT NATURAL GAS COMPANY, INC., a corporation validly existing under the laws of the State of North
Carolina (herein called the “Company”, which term includes any successor corporation under the Indenture hereinafter referred to), for value received, hereby promises to pay to CEDE & CO., or registered assigns, the principal sum
of ONE HUNDRED FIFTY MILLION DOLLARS ($150,000,000) on September 1, 2025 and to pay interest thereon from September 14, 2015 or from the most recent Interest Payment Date to which interest has been paid or duly provided for, semiannually
in arrears on March 1 and September 1 (each an “Interest Payment Date”) in each year, commencing March 1, 2016 at the rate of 3.60% per annum, until the principal hereof is paid or made available for payment, and (to
the extent that the payment of such interest shall be legally enforceable) at the rate of 3.60% per annum on any overdue principal and on any overdue installment of interest. The amount of interest payable on any Interest Payment Date will, as
provided in such Indenture, be paid to the Person in whose name this Note is registered at the close of business on the regular Record Date for such interest, which shall be the February 15 and August 15 (whether or not a Business Day), as
the case may be, immediately preceding such Interest Payment Date, provided that interest payable at the Stated Maturity of principal or on a redemption date as provided in the Indenture will be paid to the Person to whom principal is payable. Any
such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such regular Record Date and will be paid to the Person in whose name the Notes are 

  
 A-1 

 
registered at the close of business on a subsequent record date established for the payment of such defaulted interest by notice given by mail or on behalf of the Company to the Holders no less
than fifteen (15) days preceding such subsequent record date, such record date to be not less than five (5) days preceding the date of payment of such defaulted interest or in any other lawful manner acceptable to the Trustee. 

Payments of interest on this Note will include interest accrued to but excluding the respective Interest Payment Date. Interest payments for
this Note shall be computed and paid on the basis of a 360-day year of twelve 30-day months (and for any partial periods shall be calculated on the basis of the number of days elapsed in a 360-day year of twelve 30-day months). In the event that any
Interest Payment Date would otherwise be a day that is not a Business Day, then payment of the interest payable on such date will be made on the next succeeding day that is a Business Day (and without any interest or other payment in respect of any
such delay), with the same force and effect as if made on the date the payment was originally payable. 
 Payment of the principal of and
interest on this Note will be made in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. Payment of interest on this Note (other than interest payable at maturity)
will be made, at the option of the Company, by wire transfer to the Holders entitled thereto who have provided appropriate wire transfer instructions to the Trustee or by check mailed to the address of the Holder as such address shall appear in the
Debt Security Register; provided, however, that if this Note is a Book-Entry Debt Security the Depository, as Holder of this Note, shall be entitled to receive payment of interest by wire transfer of immediately available funds. Notices regarding
changes of address shall be effective upon recordation in the Debt Securities Register. Payment of the principal of and interest on this Note payable at maturity will be made in immediately available funds upon surrender of this Note at the
corporate trust office of the Trustee in the Borough of Manhattan, The City of New York, or such other office or agency of the Company maintained for such purpose in the Borough of Manhattan, The City of New York, provided, however, that if this
Note is a Book-Entry Debt Security the Depository, as Holder of this Note, shall be entitled to receive payment of interest by wire transfer of immediately available funds in accordance with the arrangements with the Depository. 

Reference is hereby made to the further provisions of this Note set forth on the reverse hereof, which further provisions shall for all
purposes have the same effect as if set forth at this place. 
 Unless the certificate of authentication hereon has been executed by the
Trustee referred to on the reverse hereof by manual signature, this Note shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

  
 A-2 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its
corporate seal. 
 Dated:                     , 2015

  

											
	ATTEST:	 		 		 		 	
				
		 		 		 	PIEDMONT NATURAL GAS COMPANY, INC.
					
	By:	 	  
	 		 	By:	 	  

		 	(Signature)	 		 		 	(Authorized Signature)

 [Seal] 

  
 A-3 

 (Reverse Side of Note) 

This Note is one of a duly authorized issue of securities of the Company (herein called the “Notes”), issued and to be issued in one
or more series under an Indenture, dated as of April 1, 1993, as amended (as amended and supplemented the “Indenture”), between Piedmont Natural Gas Company, Inc., a New York corporation and the predecessor to the Company and The Bank
of New York Mellon Trust Company, N.A. (as successor to Citibank N.A.), as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee and the Holders of the Notes and of the terms upon which the Notes are, and are to be,
authenticated and delivered. This Note is a global Book-Entry Debt Security and is limited initially in the aggregate principal amount of $150,000,000; provided however that the authorized aggregate principal amount of this Note may be increased
above such amount by a Board Resolution authorizing such increase. 
 Prior to June 1, 2025, the Company shall have the right to redeem
this Note, at its option, at any time in whole, or from time to time in part, at a redemption price equal to the greater of (i) 100% of the principal amount to be redeemed and (ii) the sum of the present values of the remaining scheduled
payments of principal and interest on this Note to be redeemed (not including any portion of such payments of interest accrued as of the date of redemption), discounted to the date of redemption on a
semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 25 basis points; plus,
in each case, accrued and unpaid interest on the principal amount of this Note being redeemed to the redemption date. 
 On or after
June 1, 2025, the Company shall have the right to redeem this Note, at its option, at any time in whole, or from time to time in part, at a redemption price equal to 100% of the principal amount of this Note to be redeemed, plus accrued and
unpaid interest on the principal amount being redeemed to the redemption date. 
 For purposes of determining the redemption price: 

“Comparable Treasury Issue” means the United States Treasury security selected by the Quotation Agent as having a maturity
comparable to the remaining term of this Note to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the
remaining term of this Note. 
 “Comparable Treasury Price” means, with respect to any redemption date, (1) the
average of four Reference Treasury Dealer Quotations for such redemption date, after excluding the highest and lowest such Reference Treasury Dealer Quotations, or (2) if the Quotation Agent obtains fewer than four such Reference Treasury
Dealer Quotations, the average of all such quotations, or (3) if only one such Reference Treasury Dealer Quotation is received, such quotation. 

“Quotation Agent” means a Reference Treasury Dealer appointed by the Company. 

“Reference Treasury Dealer” means (1) a primary U.S. government securities dealer in the United States of America
(“Primary Treasury Dealer”) selected by each of BB&T Capital Markets, a division of BB&T Securities, LLC, and U.S. Bancorp Investments, Inc. or their affiliates, and successors, and (2) two other Primary Treasury Dealers
selected by the Company. 

 “Reference Treasury Dealer Quotations” means, with respect to each Reference
Treasury Dealer and any redemption date, the average, as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the
Quotation Agent by such Reference Treasury Dealer at 5:00 p.m., New York City time, on the third business day preceding such redemption date. 

“Treasury Rate” means, with respect to any redemption date, the rate per annum equal to the
semi-annual equivalent yield to maturity of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable
Treasury Price for such redemption date. 
 This Note will not have a sinking fund. 

If an Event of Default with respect to the Notes shall occur and be continuing, the aggregate principal amount of the Notes may be declared
due and payable in the manner, with the effect and subject to the conditions provided in the Indenture. 
 The Indenture contains provisions
for defeasance at any time of (a) the entire indebtedness of this Note and (b) certain restrictive covenants, in each case upon compliance by the Company with certain conditions set forth therein, which provisions apply to this Note. 

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations
of the Company and the rights of the Holders of the Debt Securities of each series to be affected under the Indenture at any time by the Company and the Trustee with the consent of the Holders of at least a 66 2/3% in aggregate principal amount of
such Debt Securities. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Debt Securities of each series at the time Outstanding, on behalf of the Holders of all Debt Securities of such
series, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of this Note shall be conclusive and binding upon such
Holder and upon all future Holders of this Note and of any Note issued upon the registration of transfers hereof or in exchange herefor or in lieu hereof, whether or not notation of such consent or waiver is made upon this Note. 

No reference herein to the Indenture and no provision of this Note or of the Indenture shall alter or impair the obligation of the Company,
which is absolute and unconditional, to pay the principal of and interest on this Note at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations herein and therein set forth, the transfer of this Note is registrable in the
Debt Security Register, upon surrender of this Note for registration of transfer at the office or agency of the Company in any place where the principal of and interest on this Note are payable, duly endorsed by, or accompanied by a written
instrument of transfer in form satisfactory to the Company and the Debt Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Notes of this series, of authorized
denominations and for the same aggregate principal amount, will be issued to the designated transfers or transferees. 
 This global
Book-Entry Debt Security is exchangeable for Notes in definitive, non-global form only under certain limited circumstances set forth in the Indenture. Notes of this series so issued are issuable only in registered form without coupons in
denominations of $1,000 and any integral multiple thereof. 

 No service charge shall be made for any such registration of transferor exchange, but the Company
may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 
 Prior to due
presentment of this Note for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat the Person in whose name this Note is registered as the owner hereof for all purposes whether or not this Note be
overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the contrary. 
 All terms used in this Note
which are defined in the Indenture shall have the meanings assigned to them in the Indenture. 

 ABBREVIATIONS 

The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according
to applicable laws or regulations: 

 

					
	TEN COM-	  	as tenants in common	  	UNIF GIFT MIN ACT-
			
	 TEN ENT-
	  	 as tenants by the entireties
 as joint
tenants
	  	
			
	 JT TEN-
	  	 with right of survivorship and
 not as
tenants
 in common
	  	

 

					
	  
	  	Custodian	  	  

	 (Cust)
  
	  		  	(Minor)
	under Uniform Gifts to Minors Act
	
	  

	(State)

 
 

  
 Additional abbreviations
may also be used 
 though not on the above list. 

FOR VALUE RECEIVED, the undersigned hereby sell(s) and transfer(s) unto 

 
  

(please insert Social Security or other identifying number of assignee) 

PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE OF ASSIGNEE 
  

 
  

 
 the within Note and all rights thereunder, hereby
irrevocably constituting and appointing 
  
  

 
  

agent to transfer said Note on the books of the Company, with full power of substitution in the premises. 

Dated: _______ ____ 
 NOTICE: The signature to this assignment
must correspond with the name as written upon the face of the within instrument in every particular without alteration or enlargement, or any change whatever. 

 EXHIBIT B 

CERTIFICATE OF AUTHENTICATION 

This is one of the Debt Securities of the series designated therein referred to in the within-mentioned Indenture. 

Dated:                    , 2015 

THE BANK OF NEW YORK MELLON 
 TRUST COMPANY, N.A., as Trustee

  

			
	By:	 	  

		 	(Authorized Signature)

  
 B-1EX-4.2

 Exhibit 4.2 

UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE ISSUER
OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO
CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF,
CEDE & CO., HAS AN INTEREST HEREIN. 
 THIS DEBT SECURITY IS A BOOK-ENTRY DEBT SECURITY WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO
AND IS REGISTERED IN THE NAME OF A DEPOSITORY OR A NOMINEE OF A DEPOSITORY OR A SUCCESSOR DEPOSITORY. THIS DEBT SECURITY IS EXCHANGEABLE FOR DEBT SECURITIES REGISTERED IN THE NAME OF A PERSON OTHER THAN THE DEPOSITORY OR ITS NOMINEE ONLY IN THE
LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE, AND NO TRANSFER OF THIS DEBT SECURITY (OTHER THAN A TRANSFER OF THIS DEBT SECURITY AS A WHOLE BY THE DEPOSITORY TO A NOMINEE OF THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR
ANOTHER NOMINEE OF THE DEPOSITORY) MAY BE REGISTERED EXCEPT IN SUCH LIMITED CIRCUMSTANCES. 
 PIEDMONT NATURAL GAS COMPANY, INC. 

3.60% SENIOR NOTES DUE 2025 
  

			
	 No. R-1
	  	$150,000,000
		
	 CUSIP No. 720186AJ4
	  	

 PIEDMONT NATURAL GAS COMPANY, INC., a corporation validly existing under the laws of the State of North
Carolina (herein called the “Company”, which term includes any successor corporation under the Indenture hereinafter referred to), for value received, hereby promises to pay to CEDE & CO., or registered assigns, the principal sum
of ONE HUNDRED FIFTY MILLION DOLLARS ($150,000,000) on September 1, 2025 and to pay interest thereon from September 14, 2015 or from the most recent Interest Payment Date to which interest has been paid or duly provided for, semiannually
in arrears on March 1 and September 1 (each an “Interest Payment Date”) in each year, commencing March 1, 2016 at the rate of 3.60% per annum, until the principal hereof is paid or made available for payment, and (to
the extent that the payment of such interest shall be legally enforceable) at the rate of 3.60% per annum on any overdue principal and on any overdue installment of interest. The amount of interest payable on any Interest Payment Date will, as
provided in such Indenture, be paid to the Person in whose name this Note is registered at the close of business on the regular Record Date for such interest, which shall be the February 15 and August 15 (whether or not a Business Day), as
the case may be, immediately preceding such Interest Payment Date, provided that interest payable at the Stated Maturity of principal or on a redemption date as provided in the Indenture will be paid to the Person to whom principal is payable. Any
such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such regular Record Date and will be paid to the Person in whose name the Notes are registered at the close of business on a subsequent
record date established for the payment of such defaulted interest by notice given by mail or on behalf of the Company to the Holders no less than fifteen (15) days preceding such subsequent record date, such record date to be not less than
five (5) days preceding the date of payment of such defaulted interest or in any other lawful manner acceptable to the Trustee. 

  
 1 

 Payments of interest on this Note will include interest accrued to but excluding the respective
Interest Payment Date. Interest payments for this Note shall be computed and paid on the basis of a 360-day year of twelve 30-day months (and for any partial periods shall be calculated on the basis of the number of days elapsed in a 360-day year of
twelve 30-day months). In the event that any Interest Payment Date would otherwise be a day that is not a Business Day, then payment of the interest payable on such date will be made on the next succeeding day that is a Business Day (and without any
interest or other payment in respect of any such delay), with the same force and effect as if made on the date the payment was originally payable. 

Payment of the principal of and interest on this Note will be made in such coin or currency of the United States of America as at the time of
payment is legal tender for payment of public and private debts. Payment of interest on this Note (other than interest payable at maturity) will be made, at the option of the Company, by wire transfer to the Holders entitled thereto who have
provided appropriate wire transfer instructions to the Trustee or by check mailed to the address of the Holder as such address shall appear in the Debt Security Register; provided, however, that if this Note is a Book-Entry Debt Security the
Depository, as Holder of this Note, shall be entitled to receive payment of interest by wire transfer of immediately available funds. Notices regarding changes of address shall be effective upon recordation in the Debt Securities Register. Payment
of the principal of and interest on this Note payable at maturity will be made in immediately available funds upon surrender of this Note at the corporate trust office of the Trustee in the Borough of Manhattan, The City of New York, or such other
office or agency of the Company maintained for such purpose in the Borough of Manhattan, The City of New York, provided, however, that if this Note is a Book-Entry Debt Security the Depository, as Holder of this Note, shall be entitled to receive
payment of interest by wire transfer of immediately available funds in accordance with the arrangements with the Depository. 
 Reference is
hereby made to the further provisions of this Note set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 

Unless the certificate of authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual signature, this
Note shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

  
 2 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed under its
corporate seal. 
 Dated: September 14, 2015 
  

									
	ATTEST:	 		 	PIEDMONT NATURAL GAS COMPANY, INC.
					
	 By:
	 	 	 		 	By:	 	 
		 	 (Signature)
	 		 		 	(Authorized Signature)

 [Seal] 

  
 3 

 (Reverse Side of Note) 

This Note is one of a duly authorized issue of securities of the Company (herein called the “Notes”), issued and to be issued in one
or more series under an Indenture, dated as of April 1, 1993, as amended (as amended and supplemented the “Indenture”), between Piedmont Natural Gas Company, Inc., a New York corporation and the predecessor to the Company and The Bank
of New York Mellon Trust Company, N.A. (as successor to Citibank N.A.), as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee and the Holders of the Notes and of the terms upon which the Notes are, and are to be,
authenticated and delivered. This Note is a global Book-Entry Debt Security and is limited initially in the aggregate principal amount of $150,000,000; provided however that the authorized aggregate principal amount of this Note may be increased
above such amount by a Board Resolution authorizing such increase. 
 Prior to June 1, 2025, the Company shall have the right to redeem
this Note, at its option, at any time in whole, or from time to time in part, at a redemption price equal to the greater of (i) 100% of the principal amount to be redeemed and (ii) the sum of the present values of the remaining scheduled
payments of principal and interest on this Note to be redeemed (not including any portion of such payments of interest accrued as of the date of redemption), discounted to the date of redemption on a
semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 25 basis points; plus,
in each case, accrued and unpaid interest on the principal amount of this Note being redeemed to the redemption date. 
 On or after
June 1, 2025, the Company shall have the right to redeem this Note, at its option, at any time in whole, or from time to time in part, at a redemption price equal to 100% of the principal amount of this Note to be redeemed, plus accrued and
unpaid interest on the principal amount being redeemed to the redemption date. 
 For purposes of determining the redemption price: 

“Comparable Treasury Issue” means the United States Treasury security selected by the Quotation Agent as having a maturity
comparable to the remaining term of this Note to be redeemed that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the
remaining term of this Note. 
 “Comparable Treasury Price” means, with respect to any redemption date, (1) the
average of four Reference Treasury Dealer Quotations for such redemption date, after excluding the highest and lowest such Reference Treasury Dealer Quotations, or (2) if the Quotation Agent obtains fewer than four such Reference Treasury
Dealer Quotations, the average of all such quotations, or (3) if only one such Reference Treasury Dealer Quotation is received, such quotation. 

“Quotation Agent” means a Reference Treasury Dealer appointed by the Company. 

“Reference Treasury Dealer” means (1) a primary U.S. government securities dealer in the United States of America
(“Primary Treasury Dealer”) selected by each of BB&T Capital Markets, a division of BB&T Securities, LLC, and U.S. Bancorp Investments, Inc. or their affiliates, and successors, and (2) two other Primary Treasury Dealers
selected by the Company. 

 “Reference Treasury Dealer Quotations” means, with respect to each Reference
Treasury Dealer and any redemption date, the average, as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the
Quotation Agent by such Reference Treasury Dealer at 5:00 p.m., New York City time, on the third business day preceding such redemption date. 

“Treasury Rate” means, with respect to any redemption date, the rate per annum equal to the
semi-annual equivalent yield to maturity of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable
Treasury Price for such redemption date. 
 This Note will not have a sinking fund. 

If an Event of Default with respect to the Notes shall occur and be continuing, the aggregate principal amount of the Notes may be declared
due and payable in the manner, with the effect and subject to the conditions provided in the Indenture. 
 The Indenture contains provisions
for defeasance at any time of (a) the entire indebtedness of this Note and (b) certain restrictive covenants, in each case upon compliance by the Company with certain conditions set forth therein, which provisions apply to this Note. 

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations
of the Company and the rights of the Holders of the Debt Securities of each series to be affected under the Indenture at any time by the Company and the Trustee with the consent of the Holders of at least a 66 2/3% in aggregate principal amount of
such Debt Securities. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Debt Securities of each series at the time Outstanding, on behalf of the Holders of all Debt Securities of such
series, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of this Note shall be conclusive and binding upon such
Holder and upon all future Holders of this Note and of any Note issued upon the registration of transfers hereof or in exchange herefor or in lieu hereof, whether or not notation of such consent or waiver is made upon this Note. 

No reference herein to the Indenture and no provision of this Note or of the Indenture shall alter or impair the obligation of the Company,
which is absolute and unconditional, to pay the principal of and interest on this Note at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations herein and therein set forth, the transfer of this Note is registrable in the
Debt Security Register, upon surrender of this Note for registration of transfer at the office or agency of the Company in any place where the principal of and interest on this Note are payable, duly endorsed by, or accompanied by a written
instrument of transfer in form satisfactory to the Company and the Debt Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more new Notes of this series, of authorized
denominations and for the same aggregate principal amount, will be issued to the designated transfers or transferees. 
 This global
Book-Entry Debt Security is exchangeable for Notes in definitive, non-global form only under certain limited circumstances set forth in the Indenture. Notes of this series so issued are issuable only in registered form without coupons in
denominations of $1,000 and any integral multiple thereof. 

 No service charge shall be made for any such registration of transferor exchange, but the Company
may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 
 Prior to due
presentment of this Note for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat the Person in whose name this Note is registered as the owner hereof for all purposes whether or not this Note be
overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the contrary. 
 All terms used in this Note
which are defined in the Indenture shall have the meanings assigned to them in the Indenture. 

 ABBREVIATIONS 

The following abbreviations, when used in the inscription on the face of this instrument, shall be construed as though they were written out in full according
to applicable laws or regulations: 

 

					
	TEN COM-	  	as tenants in common	  	UNIF GIFT MIN ACT-
			
	 TEN ENT-
	  	 as tenants by the entireties
 as joint
tenants
	  	
			
	 JT TEN-
	  	 with right of survivorship and
 not as
tenants in common
	  	

 

					
	  
	  	Custodian	  	  

	 (Cust)
  
	  		  	(Minor)
	under Uniform Gifts to Minors Act
	
	  

	(State)

 
 

  
 Additional abbreviations
may also be used 
 though not on the above list. 

FOR VALUE RECEIVED, the undersigned hereby sell(s) and transfer(s) unto 

 
  

(please insert Social Security or other identifying number of assignee) 

PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE OF ASSIGNEE 
  

 
  

 
 the within Note and all rights thereunder, hereby
irrevocably constituting and appointing 
  
  

 
  

agent to transfer said Note on the books of the Company, with full power of substitution in the premises. 

Dated: _______ ____ 
 NOTICE: The signature to this assignment
must correspond with the name as written upon the face of the within instrument in every particular without alteration or enlargement, or any change whatever. 

 CERTIFICATE OF AUTHENTICATION 

This is one of the Debt Securities of the series designated therein referred to in the within-mentioned Indenture. 

Dated: September 14, 2015 
 THE BANK OF NEW YORK MELLON

 TRUST COMPANY, N.A., as Trustee 
  

			
	By:	 	  

		 	(Authorized Signature)

  
 B-1

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