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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1. Name and Address of Reporting Person * Thaeler John D   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) Former Sr. Vice Pres. of Sub (Last) (First) (Middle) SUITE 125, 2350 N. SAM HOUSTON PARKWAY EAST 3. Date of Earliest Transaction (Month/Day/Year) 06/01/2012 (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 06/01/2012   D   11,880 D $ 0 178,781.0974 D   Common Stock 09/14/2012   M   3,259 A $ 30.68 182,040.0974 D   Common Stock 09/14/2012   M   10,640 A $ 2.6425 192,680.0974 D   Common Stock 09/14/2012   M   3,146 A $ 17.745 195,826.0974 D   Common Stock 09/14/2012   M   13,001 A $ 27.18 208,827.0974 D   Common Stock 09/14/2012   M   17,237 A $ 20.335 226,064.0974 D   Common Stock 09/14/2012   M   10,791 A $ 30.68 136,855.0974 D   Common Stock 09/14/2012   S   100,000 D $ 36.2043 (1) 126,064.0974 D   Common Stock 09/14/2012   J(2)   168.3874 A $ 30.299 28,683.6444 I By 401(k) Plan

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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)

$ 30.68

09/14/2012

M

3,259

12/11/2009

12/11/2015

Common Stock

3,259

$ 0

10,791

D

Stock Options (Right to Buy)

$ 2.645

09/14/2012

M

10,640

12/10/2004

12/10/2013

Common Stock

10,640

$ 0

0

D

Stock Options (Right to Buy)

$ 17.745

09/14/2012

M

3,146

12/08/2006

12/08/2012

Common Stock

3,146

$ 0

0

D

Stock Options (Right to Buy)

$ 27.18

09/14/2012

M

13,001

12/13/2008

12/13/2014

Common Stock

13,001

$ 0

0

D

Stock Options (Right to Buy)

$ 20.335

09/14/2012

M

17,237

12/11/2007

12/11/2013

Common Stock

17,237

$ 0

0

D

Stock Options (Right to Buy)

$ 30.68

09/14/2012

M

10,791

12/11/2009

12/11/2015

Common Stock

10,791

$ 0

0

D

Phantom Stock

(3)

09/14/2012

J(4)

27,701.9124

(5)

(5)

Common Stock

27,701.9124

$ 35.0918

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Thaeler John D SUITE 125 2350 N. SAM HOUSTON PARKWAY EAST HOUSTON, TX 77032			Former Sr. Vice Pres. of Sub

Signatures

/s/ Melissa D. McCarty, Attorney-in-Fact for Mr. Thaeler		09/18/2012
**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 $36.02 to $36.43. 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 December 8, 2011, thru June 12, 2012. The information in this report is based on a plan statement dated September 14, 2012.
(3)	Each share of phantom stock currently held in the Southwestern Energy Company Nonqualified Retirement Plan (the "NQ Plan") represents the right to receive the economic equivalent of one share of Southwestern Energy Company common stock.
(4)	Nonqualified Retirement Plan intra-plan transfer out of the Company stock fund and into a new investment fund.
(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.

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