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 *
WILSON STANLEY T
   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)
Chief Accounting Officer
(Last)
(First)
(Middle)
2350 N. SAM HOUSTON PARKWAY EAST, SUITE 300		 3. Date of Earliest Transaction (Month/Day/Year)
06/16/2005
(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 06/16/2005   M   2,400 A $ 4.82 31,068 (1) D  
Common Stock 06/16/2005   M   2,313 A $ 5.73 33,381 (1) D  
Common Stock 06/16/2005   M   987 A $ 10.57 34,368 (1) D  
Common Stock 06/16/2005   S   5,700 D $ 42.56 28,668 (1) D  
Common Stock 06/16/2005   M   127 A $ 10.57 28,795 (1) D  
Common Stock 06/16/2005   S   127 D $ 42.62 28,668 (1) D  
Common Stock 06/16/2005   M   400 A $ 10.57 29,068 (1) D  
Common Stock 06/16/2005   S   400 D $ 42.57 28,668 (1) D  

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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) $ 4.82 (2) 06/16/2005   M     2,400 12/20/2002 12/20/2011 Common Stock 2,400 (2) $ 0 0 D  
Stock Options (Right to buy) $ 5.73 (3) 06/16/2005   M     2,313 12/11/2003 12/11/2012 Common Stock 2,313 (3) $ 0 2,313 D  
Stock Options (Right to buy) $ 10.57 (4) 06/16/2005   M     987 12/10/2004 12/10/2013 Common Stock 987 (4) $ 0 3,553 D  
Stock Options (Right to buy) $ 10.57 (4) 06/16/2005   M     127 12/10/2004 12/10/2013 Common Stock 127 (4) $ 0 3,426 D  
Stock Options (Right to buy) $ 10.57 (4) 06/16/2005   M     400 12/10/2004 12/10/2013 Common Stock 400 (4) $ 0 3,026 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WILSON STANLEY T
2350 N. SAM HOUSTON PARKWAY EAST
SUITE 300
HOUSTON, TX 77032		       Chief Accounting Officer  

Signatures

 Melissa D. McCarty, Attorney-in-Fact   06/17/2005
**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 May 20, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 14,334 additional shares of common stock.
(2) This option was previously reported as covering 1,800 shares at an exercise price of $9.64, but was adjusted to reflect the stock split on May 20, 2005.
(3) This option was previously reported as covering 3,470 shares at an exercise price of $11.46 per share, but was adjusted to reflect the stock split on May 20, 2005.
(4) This option was previously reported as covering 2,270 shares at an exercise price of $21.14 per share, but was adjusted to reflect the stock split on May 20, 2005.

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