FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

BEST ROBERT W 		2. Issuer Name and Ticker or Trading Symbol

ATMOS ENERGY CORP [ ATO ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      __ X __ Other (specify below)
Chairman of the Board
(Last)          (First)          (Middle)

5430 LBJ FREEWAY, 1800 III LINCOLN CENTRE 		3. Date of Earliest Transaction (MM/DD/YYYY)

10/1/2013
(Street)

DALLAS, TX 75240
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   10/1/2013     M    24000   A $42.66   465837.8921   D    
Common Stock   10/1/2013     F    9504   (1) D $42.66   456333.8921   D    
Common Stock                  61384.8354   (2) I   By Retirement Savings Plan and Trust  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit     (3) 10/1/2013     M         24000      (4)   (4) Common Stock   24000   $0   99377   D    
Phantom Stock Units     (5)                    (6)   (6) Common Stock   3051.76     3051.76   (7) D    

Explanation of Responses:
( 1)  Shares withheld pursuant to a tax withholding obligation under the Atmos Energy Corporation 1998 Long-Term Incentive Plan (the "Plan") in a transaction exempt under Rule 16b-3.
( 2)  To update end of period holdings as of May 31, 2013 under the Atmos Energy Corporation Retirement Savings Plan and Trust.
( 3)  Each restricted stock unit represents a contingent right to receive one share of ATO common stock.
( 4)  Shares of ATO common stock issued upon vesting of restricted stock units typically are delivered to the reporting person three years from date of grant. However, in compliance with Internal Revenue Code section 409A, these shares were instead issued following a period of six months after the reporting person's date of retirement.
( 5)  Each phantom stock unit is equivalent to one share of the Company's common stock.
( 6)  The phantom stock units were awarded under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board.
( 7)  Includes 51.76 phantom stock units resulting from dividend equivalents converted to phantom stock units, which have been credited to the reporting person's account since April 3, 2013.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
BEST ROBERT W
5430 LBJ FREEWAY
1800 III LINCOLN CENTRE
DALLAS, TX 75240 		X

Chairman of the Board

Signatures
/s/Suzanne Johnson by POA 10/3/2013
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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