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 *
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)
_____ 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)
12/10/2009
(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 12/10/2009   M   5,635 A $ 17.745 1,130,071 D  
Common Stock 12/10/2009(1)   A   11,110 A $ 0 1,141,181 D  
Common Stock 12/14/2009   J(2)   188.9834 A $ 34.4719 25,183.2622 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) $ 17.745 12/10/2009   M     5,635 12/08/2006 12/08/2012 Common Stock 5,635 $ 0 41,785 D  
Stock Options (Right to Buy) $ 40.73 12/10/2009(1)   A   21,870   12/10/2010(3) 12/10/2016 Common Stock 21,870 $ 0 21,870 D  
Stock Options (Right to Buy) $ 0.93             12/14/2001 12/14/2010 Common Stock 155,984   155,984 D  
Stock Options (Right to Buy) $ 1.435             12/11/2003 12/11/2012 Common Stock 152,076   152,076 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) $ 6.225             12/09/2005 12/09/2011 Common Stock 102,656   102,656 D  
Stock Options (Right to Buy) $ 20.335             12/11/2007 12/11/2013 Common Stock 43,700   43,700 D  
Stock Options (Right to Buy) $ 27.18             12/13/2008 12/13/2014 Common Stock 43,880   43,880 D  
Stock Options (Right to Buy) $ 30.68             12/11/2009 12/11/2015 Common Stock 31,610   31,610 D  
Phantom Stock (4)               (5)   (5) Common Stock 51,589.7264 (6)   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		       Executive Vice President & CFO  

Signatures

 /s/ Melissa D. McCarty, Attorney-in-fact for Mr. Kerley   12/14/2009
**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) Restricted stock and incentive stock options granted in consideration of services as an officer.
(2) Purchased through the Company's 401(k) plan from November 14, 2008, through December 14, 2009. The information in this report is based on a plan statement dated as of December 14, 2009.
(3) Incentive 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.
(6) The phantom stock is currently held in the Southwestern Energy Company Nonqualified Retirement Plan (the "NQ Plan") investment fund.

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