ATMOS ENERGY CORP — Director's Dealing 2013

May 7, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ATMOS ENERGY CORP (ATO)
CIK: 0000731802
Period of Report: 2013-05-04

Reporting Person: Sweetin Marvin L (SR VP, UTIILITY OPERATIONS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-04	Common Stock	M	550	$44.605	Acquired	13849	Direct
2013-05-04	Common Stock	F	146	$44.605	Disposed	13703	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-04	Restricted Stock Unit	$	M	550	Disposed		Common Stock (550)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3827.4789	Indirect
Common Stock	80	Indirect

Footnotes

F1: Shares withheld pursuant to a tax withholding obligation under the Atmos Energy Corporation 1998 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3.

F2: To update end of period holdings as of 4/8/2013 under the Atmos Energy Corporation Retirement Savings Plan and Trust.

F3: Each restricted stock unit represents a contingent right to receive one share of ATO common stock.

F4: The restricted stock units vested and were delivered to the reporting person three years from date of grant.