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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

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 (Month/Day/Year) 10/01/2013 (Street) DALLAS, TX 75240 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 10/01/2013   M   24,000 A $ 42.66 465,837.8921 D   Common Stock 10/01/2013   F   9,504 (1) D $ 42.66 456,333.8921 D   Common Stock               61,384.8354 (2) I By Retirement Savings Plan and Trust

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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)

10/01/2013

M

24,000

(4)

(4)

Common Stock

24,000

$ 0

99,377

D

Phantom Stock Units

(5)

(6)

(6)

Common Stock

3,051.76

3,051.76 (7)

D

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		10/03/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(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.

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