Document:

Officers' Certificate dated January 11, 2013

 Exhibit 4.1 
 ATMOS ENERGY CORPORATION 
 Officers’ Certificate Pursuant to
Section 301 of the Indenture 
 January 11, 2013 

Each of the undersigned, Bret J. Eckert, Senior Vice President and Chief Financial Officer, and Louis P. Gregory, Senior Vice President,
General Counsel and Corporate Secretary of Atmos Energy Corporation (the “Company”) certifies, pursuant to the authority delegated to each of them, as an officer of the Company, pursuant to the resolutions adopted by the board of directors
of the Company (the “Board”) on November 6, 2012 (copies of which resolutions are attached hereto as Exhibit I), that pursuant to Section 301 of the Indenture dated as of March 26, 2009 (the “Indenture”)
between the Company and U.S. Bank National Association, as trustee (the “Trustee”), a series of debt securities of the Company is hereby established with the following terms and provisions (unless otherwise defined herein, capitalized
terms used herein have the meaning given thereto in the Indenture): 
 1. The title of the series of the
securities is the 4.15% Senior Notes due 2043 (the “Notes”). 
 2. The Notes are unsubordinated and
will rank equally with all of the Company’s other unsecured and unsubordinated debt. Subordinated debt will rank junior to the Notes and the Company’s other senior debt. 

3. The aggregate principal amount of the Notes that may be issued under the Indenture, in connection with the Underwriting
Agreement, dated as of January 8, 2013, between the Company and certain underwriters named therein, is $500,000,000, and the Stated Maturity of the Notes is January 15, 2043. The Notes shall be offered to the public at a price representing
99.812% of their principal amount. 
 4. The Notes shall bear interest at the rate of 4.15% per annum.
Interest on the Notes will be payable in arrears on January 15 and July 15 of each year (each, an “Interest Payment Date”), beginning July 15, 2013. Interest payable on each Interest Payment Date will include interest
accrued from and including January 11, 2013, or from and including the most recent Interest Payment Date to which interest has been paid or duly provided for, as the case may be, to but excluding such Interest Payment Date. Interest will be
computed on the basis of a 360-day year of twelve 30-day months. The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in the Indenture, be paid to the Holder in whose name the Notes are
registered at the close of business on the January 1 or July 1 (whether or not a Business Day) preceding the respective Interest Payment Date. The payment of any Defaulted Interest on the Notes shall be payable to the Holders of the Notes
on a Special Record Date established therefor pursuant to the Indenture, or shall be paid at any time in any other lawful manner, all as more fully provided in the Indenture. 

 5. Payment of the principal of (and premium, if any) and interest on the
Notes will be made at the office or agency of the Company maintained for that purpose in the Borough of Manhattan, the City of New York, or at such other office or agency of the Company as may be maintained for such purpose, 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. So long as the Notes remain in book-entry form, all payments of principal and interest will be made by the Company in immediately
available funds. 
 6. The Company may redeem the Notes prior to maturity at its option, at any time in whole or
from time to time in part. Prior to July 15, 2042, the Redemption Price shall be equal to the greater of: 

(a) 100% of the principal amount of the Notes to be redeemed, and 

(b) as determined by the Quotation Agent (as defined below), the sum of the present values of the Remaining Scheduled
Payments (as defined below) of principal and interest on the Notes to be redeemed discounted to the Redemption Date on a semi-annual basis assuming a 360-day year consisting of twelve 30-day months at the Adjusted Treasury Rate (as defined below)
plus 20 basis points; 
 plus, in each case, accrued and unpaid interest on the principal amount of Notes being redeemed to the
Redemption Date. 
 At any time on or after July 15, 2042, the Redemption Price shall be equal to 100% of the principal
amount of the Notes to be redeemed, plus accrued and unpaid interest thereon to the Redemption Date. 

“Adjusted Treasury Rate” means, for any Redemption Date, the rate per annum equal to the semi-annual equivalent
yield to maturity of the Comparable Treasury Issue, assuming a price of the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for that Redemption Date; 

“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 used, at the time of a 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 to be redeemed; 
 “Comparable Treasury Price” means, for any
Redemption Date, the average of the Reference Treasury Dealer Quotations for that Redemption Date; 

“Quotation Agent” means the Reference Treasury Dealer appointed by the Company to act as a quotation agent;

 “Reference Treasury Dealer” means (i) J.P. Morgan Securities LLC and any Primary Treasury
Dealer (as defined below) selected by each of Mitsubishi UFJ Securities (USA), Inc. and U.S. Bancorp Investments, Inc., and any of such parties’ successors; provided, however, if any of the foregoing ceases to be a primary U.S. government
securities dealer in New York City (a “Primary Treasury Dealer”), the Company will substitute therefor another Primary Treasury Dealer, and (ii) any other Primary Treasury Dealer selected by the Company; 

  
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 “Reference Treasury Dealer Quotation” means, with respect to each
Reference Treasury Dealer and any Redemption Date, the average, as determined by the Trustee, 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
Trustee at 5:00 p.m., Eastern time by such Reference Treasury Dealer on the third Business Day preceding such Redemption Date; and 
 “Remaining Scheduled Payments” means, with respect to each Note to be redeemed, the remaining scheduled payments of the principal and interest on such Note that would be due after the related
Redemption Date but for such redemption; provided, however, that if such Redemption Date is not an Interest Payment Date, the amount of the next succeeding scheduled interest payment on such Note will be reduced by the amount of interest accrued on
such Note to such Redemption Date. 
 7. In the case of a partial redemption of the Notes, the Notes to be
redeemed shall be selected by the Trustee from the outstanding Notes not previously called for redemption, by such method as the Trustee shall deem fair and appropriate (or, in the case of notes issued in global form, by such method as the
depository may require) and which may provide for the selection for redemption of portions of the principal of the Notes. A partial redemption shall not reduce the portion of the principal amount of a Note not redeemed to a principal amount of less
than $2,000. Notice of any redemption will be mailed by first class mail at least 30 days but not more than 60 days before the Redemption Date to each Holder of the Notes to be redeemed at its registered address. If any Notes are to be redeemed in
part only, the notice of redemption will state the portion of the principal amount of the Notes to be redeemed. A new Note in a principal amount equal to the unredeemed portion of the Note will be issued in the name of the Holder of the Note upon
surrender for cancellation of the original Note. Unless the Company defaults in payment of the Redemption Price, on and after the Redemption Date, interest will cease to accrue on the Notes or the portions of the Notes called for redemption.

 8. Section 703 of the Indenture is replaced with the following in its entirety for purposes of the Notes
only: 
 The Company shall: 

(1) file with the Trustee, within 30 days after the Company has filed the same with the Commission, unless such reports
are available on the Commission’s EDGAR filing system (or any successor thereto), copies of the annual reports and of the information, documents and other reports (or copies of such portions of any of the foregoing as the Commission may from
time to time by rules and regulations prescribe) which the Company may be required to file with the Commission pursuant to Section 13 or Section 15(d) of the Exchange Act; or, if the Company is not required to file information, documents
or reports pursuant to either of such Sections, then the Company shall file with the Trustee and the Commission, in accordance with rules and regulations prescribed from time to time by the Commission, such of the supplementary and periodic
information, documents and reports which may be required pursuant to Section 13 of the Exchange Act in respect of a security listed and registered on a national securities exchange as may be prescribed from time to time in such rules and
regulations; 

  
 3 

 (2) file with the Trustee and the Commission, in accordance with rules and
regulations prescribed from time to time by the Commission, such additional information, documents and reports with respect to compliance by the Company with the conditions and covenants of this Indenture as may be required from time to time by such
rules and regulations; and 
 (3) transmit to all Holders, as their names and addresses appear in the Security
Register, within 30 days after the filing thereof with the Trustee, in the manner and to the extent provided in TIA Section 313(c), such summaries of any information, documents and reports required to be filed by the Company pursuant to
Subsections (1) and (2) of this Section 703 as may be required by rules and regulations prescribed from time to time by the Commission. 
 9. The Company has no obligation to redeem, purchase or repay the Notes pursuant to any mandatory redemption or sinking fund or analogous provisions or at the option of the Holder thereof. 

10. The entire $500,000,000 principal amount of the Notes shall be payable upon declaration of acceleration of the
Maturity thereof pursuant to the Indenture. 
 11. The defeasance and covenant defeasance provisions of Article
Fourteen of the Indenture shall apply to the Notes. 
 12. The Trustee, the initial Paying Agent and the initial
Security Registrar for the Notes shall be U.S. Bank National Association. The Security Register for the Notes shall be initially maintained at, and the place where such Notes may be surrendered for registration of transfer or exchange shall be, the
Trustee’s Corporate Trust Office located at 1349 West Peachtree Street, Suite 1050, Atlanta, Georgia. 
 13.
The Notes will be issued in registered permanent global form and each evidenced by a global security (a “Global Security”) in substantially the form attached hereto as Exhibit II, with such appropriate insertions, omissions,
substitutions and other variations as are required or permitted by the Indenture, and may have imprinted or otherwise reproduced thereon such legend or legends or endorsements, not inconsistent with the provisions of the Indenture, as may be
required to comply with any law or with any rules or regulations pursuant thereto, or with any rules of any securities exchange or to conform to general usage, all as may be determined by the officers executing each such Global Security, as
evidenced by their execution of such Global Security. The beneficial owners of interests in each of the Global Securities may exchange such interests for Notes, as applicable, in certificated form (the “Definitive Notes”) only in limited
circumstances as provided in the Indenture. In the event that Definitive Notes are issued in exchange for a Global Security, the form of certificate evidencing each Definitive Note shall be in substantially the form of the attached Global Security,
with such changes as are necessary to evidence the Notes in definitive form rather than as a Global Security. The Company initially appoints DTC to act as Depository with respect to the Notes. 

  
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 14. The Notes are issuable in denominations of $2,000 and any integral
multiples of $1,000 in excess thereof. 
 15. The Events of Default set forth in the Indenture shall apply to the
Notes. 
 16. The Company will not pay Additional Amounts on the Notes held by any Holder who is not a United
States person in respect of any tax, assessment or governmental charge withheld or deducted. 
 15. The Company
may, at any time, without the consent of the Holders of the Notes, create and issue additional securities having the same ranking, interest rate, maturity and other terms as the Notes. Any such additional securities shall be consolidated and form
the same series of the Notes having the same terms as to status, redemption and otherwise as the Notes under the Indenture. 

Each of us further certifies that the form and terms of the Notes as established in this certificate have been established pursuant to
Section 301 of the Indenture and comply with the Indenture. 
 [Signature page follows] 

  
 5 

 IN WITNESS WHEREOF, I have executed this certificate as of the date first written above.

  

					
	By:	 	/s/ BRET J. ECKERT
		 	Name:	 	Bret J. Eckert
		 	Title:	 	 Senior Vice President and

Chief Financial Officer

 IN WITNESS WHEREOF, I have executed this certificate as of the date first written above.

  

					
	By:	 	/s/ LOUIS P. GREGORY
		 	Name:	 	Louis P. Gregory
		 	Title:	 	Senior Vice President, General Counsel and Corporate Secretary

 Officers’ Certificate Pursuant to Section 301 of the IndentureGlobal Security for the 4.15% Senior Notes due 2043

 Exhibit 4.2 
 THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY OR A NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN
WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITORY OR ITS NOMINEE EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.

 UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW
YORK, NEW YORK) TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND SUCH CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO., OR SUCH OTHER NAME AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY, ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL, SINCE THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 

ATMOS ENERGY CORPORATION 
 4.15% Senior Notes due 2043 
  

			
	 No. 1
	 	CUSIP NO. 049560 AL9
		 	ISIN NO. US049560 AL95

 Atmos Energy Corporation, a Texas and Virginia corporation (herein called the
“Company”, which term includes any successor entity under the Indenture, hereinafter defined), for value received, hereby promises to pay to Cede & Co. or registered assigns the principal sum of FIVE HUNDRED MILLION DOLLARS
($500,000,000) on January 15, 2043 (the “Maturity Date”), at the office or agency of the Company referred to below, and to pay interest thereon from January 11, 2013, or from the most recent Interest Payment Date to which
interest has been paid or duly provided for, semiannually in arrears on January 15 and July 15 in each year (each, an “Interest Payment Date”), beginning July 15, 2013 at 4.15% per annum until the principal hereof is
paid or duly provided for. 
 Any payment of principal or interest required to be made on a day that is not a Business Day need
not be made on such day, but may be made on the next succeeding Business Day with the same force and effect as if made on such day and no interest shall accrue as a result of such delayed payment. Interest payable on each Interest Payment Date will
include interest accrued from and including January 11, 2013, or from and including the most recent Interest Payment Date to which interest has been paid or duly provided for, as the case may be, to but excluding such Interest Payment Date.
Interest will be computed on the basis of a 360-day year of twelve 30-day months. 
 The interest so payable, and punctually paid
or duly provided for, on any Interest Payment Date will, as provided in the Indenture, be paid to the person (the “Holder”) in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on the
January 1 or July 1 (whether or not a Business Day) next preceding such Interest Payment Date (a “Regular Record Date”). Any such interest not so punctually paid or duly provided for (“Defaulted Interest”) will
forthwith cease to be payable to the Holder on such Regular Record Date and either may be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on a special record date (the
“Special Record Date”) for the payment of such Defaulted Interest to be fixed by the Trustee (referred to herein), notice whereof shall be given to the Holder of this Security not less than ten days prior to such Special Record Date, or
may be paid at any time in any other lawful manner, all as more fully provided in the Indenture. 
 For purposes of this
Security, “Business Day” means any day that, in the city of the principal Corporate Trust Office of the Trustee and in the City of New York, is neither a Saturday, Sunday, or legal holiday nor a day on which banking institutions are
authorized or required by law or regulation to close. 
 Payment of the principal of (and premium, if any) and interest on this
Security will be made at the office or agency of the Company maintained for that purpose in the Borough of Manhattan, the City of New York, or at such other office or agency of the Company as may be maintained for such purpose, 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. So long as this Security remains in book-entry form, all payments of principal and interest will be made by the Company in
immediately available funds. 

 Unless the certificate of authentication hereon has been duly executed by the Trustee by
manual signature, this Security shall not be entitled to any benefit under the Indenture, or be valid or obligatory for any purpose. 
 This Security is one of a duly authorized issue of securities of the Company, designated as the 4.15% Senior Notes due 2043 (the “Securities”), issued under an Indenture dated as of
March 26, 2009, as it may be supplemented from time to time (referred to herein as the “Indenture”), between the Company and U.S. Bank National Association, as trustee (referred to herein as the “Trustee”, which term
includes any successor trustee under the Indenture with respect to the series of which this Security is a part). A reference is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties, obligations and
immunities thereunder of the Company, the Trustee and the Holders of the Securities, and of the terms upon which the Securities are, and are to be, authenticated and delivered, except as otherwise provided herein. 

The Securities are initially limited to $500,000,000 aggregate principal amount. The Company may, at any time, without the consent of the
Holders of the Securities, create and issue additional securities having the same ranking, interest rate, maturity and other terms as the Securities. Any such additional securities shall be consolidated and form the same series of the Securities
having the same terms as to status, redemption and otherwise as the Securities under the Indenture. 
 Events of Default.
If an Event of Default shall occur and be continuing, the principal of all the Securities may be declared due and payable in the manner and with the effect provided in the Indenture. 

Optional Redemption. The Securities will be redeemable prior to maturity at the Company’s option, at any time in whole or from
time to time in part. Prior to July 15, 2042, the Redemption Price will be equal to the greater of: 
 (a) 100% of the
principal amount of the Securities to be redeemed, and 
 (b) as determined by the Quotation Agent, the sum of the present values
of the Remaining Scheduled Payments of principal and interest on the Securities to be redeemed discounted to the Redemption Date on a semi-annual basis assuming a 360-day year consisting of twelve 30-day months at the Adjusted Treasury Rate plus 20
basis points; 
 plus, in each case, accrued and unpaid interest on the principal amount of Securities being redeemed to the Redemption Date.

 At any time on or after July 15, 2042, the Redemption Price will be equal to 100% of the principal amount of the Securities to be
redeemed, plus accrued and unpaid interest thereon to the Redemption Date. 
 “Adjusted Treasury Rate” means, for any
Redemption Date, the rate per annum equal to the semi-annual equivalent yield to maturity of the Comparable Treasury Issue, assuming a price of the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable
Treasury Price for that Redemption Date. 

 “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 Securities to be redeemed that would be used, at the time of a 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 Securities to be redeemed. 
 “Comparable Treasury
Price” means, for any Redemption Date, the Reference Treasury Dealer Quotation for that Redemption Date. 
 “Quotation
Agent” means the Reference Treasury Dealer appointed by the Company to act as a quotation agent. 
 “Reference Treasury
Dealer” means (i) J.P. Morgan Securities LLC and any Primary Treasury Dealer (as defined below) selected by each of Mitsubishi UFJ Securities (USA), Inc. and U.S. Bancorp Investments, Inc., and any of such parties’ successors;
provided, however, if any of the foregoing ceases to be a primary U.S. government securities dealer in New York City (a “Primary Treasury Dealer”), the Company will substitute therefor another Primary Treasury Dealer, and (ii) any
other Primary Treasury Dealer selected by the Company. 
 “Reference Treasury Dealer Quotation” means, with respect to
each Reference Treasury Dealer and any Redemption Date, the average, as determined by the Trustee, 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 Trustee at 5:00 p.m., Eastern time by such Reference Treasury Dealer on the third Business Day preceding such Redemption Date. 
 “Remaining Scheduled Payments” means, with respect to each Security to be redeemed, the remaining scheduled payments of the principal and interest on such Security that would be due after the
related Redemption Date but for such redemption; provided, however, that if such Redemption Date is not an Interest Payment Date, the amount of the next succeeding scheduled interest payment on such Security will be reduced by the amount of interest
accrued on such Security to such Redemption Date. 
 In the event that less than all of the Securities are to be redeemed at any
time, selection of such Securities for redemption will be made by The Depository Trust Company (“DTC”) during any period the Securities are issued in the form of a global security registered in the name of DTC or a nominee thereof;
provided that during any period the Securities are issued in certificated form, the selection of such Securities for redemption will be made by the Trustee by lot or by such other method as the Trustee in its sole discretion shall deem fair
and appropriate (or, in the case of Securities issued in global form, by such method as the depositary may require) and which may provide for the selection for redemption of portions of the principal of the Securities. A partial redemption shall not
reduce the portion of the principal amount of a Security not redeemed to a principal amount of less than $2,000. Notice of redemption shall be given by first-class mail, postage prepaid, mailed not less than 30 nor more than 60 days before the
Redemption Date, to each Holder of Securities to be redeemed, at its address as shown in the Security Register. If the Securities are to be redeemed in part only, the notice of redemption that relates to such Securities shall state the portion of
the principal amount thereof to be redeemed. A new Security in a principal amount equal to the unredeemed portion thereof will be issued in the name of the Holder thereof upon surrender for cancellation of the original Security. On and after the
Redemption Date, interest will cease to accrue on Securities or portions thereof called for redemption unless the Company defaults in the payment of the Redemption Price. 

 Sinking Fund. This Security does not have the benefit of any sinking fund
obligations. 
 Modification and Waivers; Obligations of the Company Absolute. 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 Securities. Certain limited amendments may be effected under the Indenture at any time by
the Company and the Trustee without the consent of any Holders of the Securities. Certain other amendments affecting the Securities may only be effected under the Indenture with the consent of the Holders of not less than a majority in aggregate
principal amount of the Securities at the time Outstanding. The Indenture also contains provisions permitting the Holders of not less than a majority in principal amount of the Securities at the time Outstanding, on behalf of the Holders of all
Outstanding Securities, to waive compliance by the Company with certain provisions of the Indenture affecting the Securities. Furthermore, provisions in the Indenture permit the Holders of not less than a majority in principal amount of the
Outstanding Securities to waive on behalf of all of the Holders of all Outstanding Securities certain past defaults under the Indenture in respect of the Securities and their consequences. Any such consent or waiver by or on behalf of the Holder of
this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof whether or not notation of such
consent or waiver is made upon this Security. 
 No reference herein to the Indenture and no provision of this Security or of the
Indenture shall alter or impair the obligation of the Company, which is absolute and unconditional, to pay the principal of (and premium, if any) and interest on this Security at the times, place and rate, and in the coin or currency, herein
prescribed. 
 Defeasance and Covenant Defeasance. The Indenture contains provisions for defeasance at any time of
(a) the entire indebtedness of the Company represented by this Security and (b) certain restrictive covenants and the related Defaults and Events of Default, upon compliance by the Company with certain conditions set forth therein, which
provisions apply to this Security. 
 Authorized Denominations. The Securities are issuable only in registered form,
without coupons, in minimum denominations of $2,000 and any integral multiple of $1,000 in excess thereof. 
 Registration of
Transfer or Exchange. As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Security is registrable on the Security Register of the Company, upon surrender of this Security for registration of
transfer at the office or agency of the Company, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized
in writing, and thereupon one or more new Securities, of 

 
authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. At the date of the original issuance of this Security such office
or agency of the Company is maintained by U.S. Bank National Association, 1349 West Peachtree Street, Suite 1050, Atlanta, Georgia. 
 As provided in the Indenture and subject to certain limitations therein set forth, the Securities are exchangeable for a like aggregate principal amount of Securities of a different authorized
denomination, as requested by the Holder surrendering the same. 
 No service charge shall be made for any registration of
transfer or exchange or redemption of Securities, but the Company may require payment of a sum sufficient to pay all documentary, stamp or similar issue or transfer taxes or other governmental charges payable in connection with any registration of
transfer or exchange. 
 Prior to the time of due presentment of this Security 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 Security is registered as the owner hereof for all purposes, whether or not this Security be overdue, and neither the Company, the Trustee nor any agent
shall be affected by notice to the contrary. 
 Defined Terms. All capitalized terms used in this Security which are
defined in the Indenture shall have the meanings assigned to them in the Indenture. 
 Governing Laws. This Security and
the Indenture shall be governed by and construed in accordance with the laws of the State of New York, without regard to conflicts of laws principles that would apply any other law. 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed. 

 

			
	ATMOS ENERGY CORPORATION
		
	By:	 	 /s/ BRET J. ECKERT

		 	Name: Bret J. Eckert
		 	 Title:   Senior Vice President and
             Chief Financial Officer

  

			
	Attest:
		
	By:	 	 /s/ LOUIS P. GREGORY

		 	Name: Louis P. Gregory
		 	 Title:   Senior Vice President, General
             Counsel and Corporate Secretary

 TRUSTEE’S CERTIFICATE OF AUTHENTICATION 

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

 

							
	Dated: January 11, 2013	 		 	U.S. Bank National Association,
		 		 	  as Trustee
				
		 		 	By:	 	 /s/ JACK ELLERIN

		 		 		 	Authorized Officer

 ASSIGNMENT FORM 
 To assign this Security, fill in the form below: 
 (I) or (we) assign and transfer this Security to

  
  
 (Insert assignee’s social security or tax I.D. no.) 
  

 
  
  

 
  
  

 
  
  

 
 (Print or type assignee’s
name, address and zip code) 
 and irrevocably
appoint                                        
                         agent to transfer this Security on the books of the Company. The agent may substitute another to act
for him. 
  

					
	Date:                    	  	Signature:	  	  

		  		  	(sign exactly as name appears on the other side of this Security)

  
 Signature guaranteed
by:

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