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 *
Ponder Randall 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)
Sr. Vice Pres. of Subsidiary
(Last)
(First)
(Middle)
2350 N. SAM HOUSTON PARKWAY EAST, SUITE 125
3. Date of Earliest Transaction (Month/Day/Year)
09/25/2012
(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 09/25/2012   M   5,420 A $ 17.745 28,332 (1) I by Randall D. and Pamela K. Ponder Joint Revocable Trust
Common Stock 09/25/2012   S   5,420 D $ 33.2973 (2) 22,912 I by Randall D. and Pamela K. Ponder Joint Revocable Trust
Common Stock 09/25/2012   J(3)   83.9805 A $ 31.1545 2,337.2182 I by 401(k) Plan
Common Stock               5,388 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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) $ 17.745 09/25/2012   M     5,420 12/08/2006 12/08/2012 Common Stock 5,420 $ 0 0 D  

Reporting Owners

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

Signatures

 /s/ Melissa D. McCarty, attorney-in-fact for Mr. Ponder   09/26/2012
**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 Randall D. Ponder and Pamela K. Ponder 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 $33.29 to $33.31. 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 June 1, 2012, through September 25, 2012. The information in this report is based on a plan statement dated September 25, 2012.

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