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
__X__ Officer (give title below) _____ Other (specify below)
Chairman and CEO
(Last)
(First)
(Middle)
2350 N. SAM HOUSTON PKWY EAST, SUITE 125
3. Date of Earliest Transaction (Month/Day/Year)
06/15/2007
(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 05/31/2007   J(1) V 62,205 A $ 0 499,304.228 D  
Common Stock 05/31/2007   J(2) V 62,205 A $ 0 561,509.228 D  
Common Stock 06/15/2007   M   100,000 A $ 1.5 661,509.228 D  
Common Stock 06/15/2007   S   100,000 D $ 49.5835 561,509.228 D  
Common Stock 05/18/2007   J(3) V 124,410 D $ 0 607,090 I by Family Limited Partnership
Common Stock 05/18/2007   J(3) V 62,205 A $ 0 62,205 I by Harold M. Korell GRAT; Harold M. Korell Trustee
Common Stock 05/31/2007   J(1) V 62,205 D $ 0 0 I by Harold M. Korell GRAT; Harold M. Korell Trustee
Common Stock 05/18/2007   J(3) V 62,205 A $ 0 62,205 I by Pat M. Korell GRAT; Harold M. Korell Trustee
Common Stock 05/31/2007   J(2) V 62,205 D $ 0 0 I by Pat M. Korell GRAT; Harold M. Korell Trustee

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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) $ 1.5 06/15/2007   M     100,000 12/16/2000 12/16/2009 Common Stock 100,000 $ 1.5 292,336 D  

Reporting Owners

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

Signatures

 Melissa D. McCarty, Attorney-in-Fact   06/19/2007
**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 31, 2007, the 62,205 shares of stock currently held in the Harold M. Korell Grantor Retained Annuity Trust ("GRAT") were transferred out of the GRAT account and registered in the name of the reporting person and his spouse. Therefore, the reporting person will now have direct beneficial ownership of the stock.
(3) On May 18, 2007, 124,410 shares of stock were transferred out of the Family Limited Partnership ("FLP") into individual Grantor Retained Annuity Trust ("GRAT") accounts for the reporting person and his wife. The individual GRAT accounts each contain 62,205 shares of stock. The reporting person will remain the Trustee for each GRAT account, and will continue to have indirect beneficial ownership of the stock.
(2) On May 31, 2007, the 62,205 shares of stock currently held in the Patricia M. Korell Grantor Retained Annuity Trust ("GRAT") were transferred out of the GRAT account and registered in the name of the reporting person and his spouse. Therefore, the reporting person will now have direct beneficial ownership of the stock.

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