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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
KERLEY GREGORY D
   2. Issuer Name and Ticker or Trading Symbol
SOUTHWESTERN ENERGY CO [SWN] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President & CFO
(Last)
(First)
(Middle)
SUITE 125, 2350 N. SAM HOUSTON PARKWAY EAST		 3. Date of Earliest Transaction (Month/Day/Year)
08/07/2012
(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 08/07/2012   M   152,076 A $ 1.4325 1,270,820 (1) I by Greg D. Kerley and Beth C. Kerley Joint Revocable Trust
Common Stock 08/07/2012   S   152,076 D $ 31.25 (2) 1,118,744 I by Greg D. Kerley and Beth C. Kerley Joint Revocable Trust
Common Stock 08/07/2012   M   41,785 A $ 17.745 1,160,529 I by Greg D. Kerley and Beth C. Kerley Joint Revocable Trust
Common Stock 08/07/2012   S   41,785 D $ 31.25 (2) 1,118,744 I by Greg D. Kerley and Beth C. Kerley Joint Revocable Trust
Common Stock 08/07/2012   J(3) V 204.3963 A $ 30.9546 25,720.2535 I By 401(k) Plan
Common Stock               86,828 D  
Common Stock               1,994 I By JGH Irrevocable Trust; Greg D. Kerley, Grantor
Common Stock               1,475 I By PAK Irrevocable Trust; Greg D. Kerley, Grantor
Common Stock               1,475 I By TMH Irrevocable Trust; Greg D. Kerley, Grantor

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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. SEC 1474 (9-02)

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) $ 1.435 08/07/2012   M     152,076 12/11/2003 12/11/2012 Common Stock 152,076 $ 0 0 D  
Stock Options (Right to Buy) $ 17.745 08/07/2012   M     41,785 12/08/2006 12/08/2012 Common Stock 41,785 $ 0 0 D  
Stock Options (Right to Buy) $ 2.645             12/10/2004 12/10/2013 Common Stock 216,718   216,718 D  
Stock Options (Right to Buy) $ 20.335             12/11/2007 12/11/2013 Common Stock 38,783   38,783 D  
Stock Options (Right to Buy) $ 27.18             12/13/2008 12/13/2014 Common Stock 40,201   40,201 D  
Stock Options (Right to Buy) $ 30.68             12/11/2009 12/11/2015 Common Stock 31,610   31,610 D  
Stock Options (Right to Buy) $ 36.22             12/09/2011 12/09/2017 Common Stock 27,760   27,760 D  
Stock Options (Right to Buy) $ 40.73             12/10/2010 12/10/2016 Common Stock 21,870   21,870 D  
Stock Options (Right to Buy) $ 36.87             12/08/2012 12/08/2018 Common Stock 29,270   29,270 D  
Phantom Stock (4)               (5)   (5) Common Stock 51,589.7264   51,589.7264 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KERLEY GREGORY D
SUITE 125
2350 N. SAM HOUSTON PARKWAY EAST
HOUSTON, TX 77032		   X     Executive Vice President & CFO  

Signatures

 /s/ Melissa D. McCarty, Attorney-in-fact for Mr. Kerley   08/09/2012
**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) The non-derivative securities indirectly owned by the Greg D. Kerley and Beth C. Kerley Joint Revocable Trust were previously reported as directly owned by the reporting person.
(2) This transaction was executed in multiple trades at prices ranging from $30.80 to $31.65. 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.
(3) Purchased through the Company's 401(k) plan from January 1, 2012, through August 7, 2012. The information in this report is based on a plan statement dated August 7, 2012.
(4) Each share of phantom stock, which is currently held in the Southwestern Energy Company Nonqualified Retirement Plan investment fund, represents the right to receive the economic equivalent of one share of Southwestern Energy Company common stock.
(5) Shares of phantom stock are payable in cash following termination of the reporting person's employment with Southwestern Energy Company. The reporting person may transfer his phantom stock account into an alternative investment account at any time.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.