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 *
KORELL HAROLD M
  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
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
SUITE 125, 2350 N. SAM HOUSTON PARKWAY EAST
3. Date of Earliest Transaction (Month/Day/Year)
12/09/2010
(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 11/10/2010   J(1) V 9,652 D $ 0 0 I By Harold M. Korell Grat; Harold M. Korell Trustee
Common Stock 11/10/2010   J(1) V 9,652 A $ 0 1,427,436 D  
Common Stock 11/10/2010   J(1) V 9,652 D $ 0 0 I By Pat M. Korell Grat; Harold M. Korell Trustee
Common Stock 11/10/2010   J(1) V 9,652 A $ 0 1,437,088 D  
Common Stock 12/09/2010(2)   A   2,350 A $ 0 1,439,438 D  
Common Stock               80,696 I by 2009 Family Limited Partnership
Common Stock               858,254 I By Family Limited Partnership

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) $ 36.22 12/09/2010(2)   A   4,550   12/09/2011(3) 12/09/2017 Common Stock 4,550 $ 0 4,550 D  
Phantom Stock (4)               (5)   (5) Common Stock 51,996.456   51,996.456 D  
Stock Options (Right to Buy) $ 1.205             12/20/2002 12/20/2011 Common Stock 187,013   187,013 D  
Stock Options (Right to Buy) $ 1.435             12/11/2003 12/11/2012 Common Stock 690,192   690,192 D  
Stock Options (Right to Buy) $ 2.645             12/10/2004 12/10/2013 Common Stock 451,598   451,598 D  
Stock Options (Right to Buy) $ 6.225             12/09/2005 12/09/2011 Common Stock 277,776   277,776 D  
Stock Options (Right to Buy) $ 17.745             12/08/2006 12/08/2012 Common Stock 116,285   116,285 D  
Stock Options (Right to Buy) $ 20.335             12/11/2007 12/11/2013 Common Stock 117,083   117,083 D  
Stock Options (Right to Buy) $ 27.18             12/13/2008 12/13/2014 Common Stock 75,301   75,301 D  
Stock Options (Right to Buy) $ 30.68             12/11/2009 12/11/2015 Common Stock 93,790   93,790 D  
Stock Options (Right to Buy) $ 40.73             12/10/2010 12/10/2016 Common Stock 3,960   3,960 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KORELL HAROLD M
SUITE 125
2350 N. SAM HOUSTON PARKWAY EAST
HOUSTON, TX 77032
  X      

Signatures

 /s/ Melissa D. McCarty, Attorney-in-Fact for Mr. Korell   12/13/2010
**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) On November 10, 2010, 9,652 shares of stock held in the Grantor Retained Annuity Trust ("GRAT") for the reporting person (the "HMK GRAT") and 9,652 shares of stock held in the GRAT account for his spouse "(the "PMK GRAT") were transferred out of the GRAT accounts and registered in the name of the reporting person and his spouse. Therefore, the reporting person now has direct beneficial ownership of the stock.
(2) Restricted stock and nonqualified stock options granted in consideration of services as a director.
(3) Nonqualified stock options become exercisable in three equal installments beginning on the first anniversary of the grant date specified in Column 3 or immediately upon death, disability, retirement at age 65, or a change in control.
(4) Each share of phantom stock 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.

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