Ownership Submission
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 *
Hency Dee W
   2. Issuer Name and Ticker or Trading Symbol
SOUTHWESTERN ENERGY CO [SWN] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Retired Senior Vice President
(Last)
(First)
(Middle)
SUITE 125, 2350 N. SAM HOUSTON PARKWAY EAST		 3. Date of Earliest Transaction (Month/Day/Year)
09/12/2012
(Street)

HOUSTON, TX 77032		 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 09/12/2012   S   50,000 D $ 34.8603 (1) 45,586 I By Spouse
Common Stock 09/13/2012   J(2)   9.2109 A $ 29.4356 19,189.7174 I By 401(k) Plan
Common Stock               121,866 D  
Common Stock               800 I By Child

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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
Stock Options (Right to Buy) $ 27.18             12/13/2008 12/13/2014 Common Stock 1,954   1,954 D  
Stock Options (Right to Buy) $ 30.68             12/11/2009 12/11/2015 Common Stock 3,088   3,088 D  
Stock Options (Right to Buy) $ 36.22             12/09/2011 12/09/2017 Common Stock 2,260   2,260 D  
Stock Options (Right to Buy) $ 40.73             12/10/2010 12/10/2016 Common Stock 4,520   4,520 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Hency Dee W
SUITE 125
2350 N. SAM HOUSTON PARKWAY EAST
HOUSTON, TX 77032		       Retired Senior Vice President  

Signatures

 /s/ Melissa D. McCarty, Attorney-in-Fact for Mr. Hency   09/14/2012
**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) This transaction was executed in multiple trades at prices ranging from $34.8323 to $35.06. The price reported above in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon written request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected.
(2) Purchased through the Company's 401(k) plan from May 1, 2012, through May 30, 2012. The information in this report is based on a plan statement dated as of September 13, 2012.

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