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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1. Name and Address of Reporting Person * Hency Dee W   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) Vice President & CIO (Last) (First) (Middle) 2350 N. SAM HOUSTON PKWY EAST, SUITE 125 3. Date of Earliest Transaction (Month/Day/Year) 12/12/2007 (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 12/12/2007   M   5,800 A $ 2.41 53,211 D   Common Stock 12/12/2007   M   22,584 A $ 2.865 75,795 D   Common Stock 12/12/2007   M   6,616 A $ 5.285 82,411 D   Common Stock 12/12/2007   S   300 D $ 54.36 82,111 D   Common Stock 12/12/2007   S   800 D $ 54.38 81,311 D   Common Stock 12/12/2007   S   500 D $ 54.41 80,811 D   Common Stock 12/12/2007   S   600 D $ 54.44 80,211 D   Common Stock 12/12/2007   S   100 D $ 54.45 80,111 D   Common Stock 12/12/2007   S   100 D $ 54.4542 80,011 D   Common Stock 12/12/2007   S   900 D $ 54.46 79,111 D   Common Stock 12/12/2007   S   500 D $ 54.48 78,611 D   Common Stock 12/12/2007   S   200 D $ 54.52 78,411 D   Common Stock 12/12/2007   S   500 D $ 54.55 77,911 D   Common Stock 12/12/2007   S   500 D $ 54.56 77,411 D   Common Stock 12/12/2007   S   200 D $ 54.58 77,211 D   Common Stock 12/12/2007   S   100 D $ 54.62 77,111 D   Common Stock 12/12/2007   S   3,000 D $ 54.63 74,111 D   Common Stock 12/12/2007   S   1,200 D $ 54.64 72,911 D   Common Stock 12/12/2007   S   1,200 D $ 54.66 71,711 D   Common Stock 12/12/2007   S   2,900 D $ 54.67 68,811 D   Common Stock 12/12/2007   S   800 D $ 54.68 68,011 D   Common Stock 12/12/2007   S   2,400 D $ 54.7 65,611 D   Common Stock 12/12/2007   S   100 D $ 54.8 65,511 D   Common Stock 12/12/2007   S   400 D $ 54.81 65,111 D   Common Stock 12/12/2007   S   100 D $ 54.83 65,011 D   Common Stock 12/12/2007   S   600 D $ 54.85 64,411 D   Common Stock 12/12/2007   S   600 D $ 54.96 63,811 D   Common Stock 12/13/2007   J(1)   46.3038 A $ 44.116 9,394.4708 (2) I by 401(k) plan Common Stock               400 I by Child Common Stock               124,286 I by Spouse

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)

$ 12.45

12/09/2005

12/09/2011

Common Stock

7,360

7,360

D

Stock Options (Right to buy)

$ 35.49

12/08/2006

12/08/2012

Common Stock

4,400

4,400

D

Stock Options (Right to buy)

$ 40.67

12/11/2007

12/11/2013

Common Stock

4,160

4,160

D

Stock Options (Right to buy)

$ 2.41

12/12/2007

M

5,800

12/20/2002

12/20/2011

Common Stock

5,800

$ 2.41

0

D

Stock Options (Right to buy)

$ 2.865

12/12/2007

M

22,584

12/11/2003

12/11/2012

Common Stock

22,584

$ 2.865

0

D

Stock Options (Right to buy)

$ 5.285

12/12/2007

M

6,616

12/10/2004

12/10/2013

Common Stock

6,616

$ 5.285

15,464

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Hency Dee W 2350 N. SAM HOUSTON PKWY EAST SUITE 125 HOUSTON, TX 77032			Vice President & CIO

Signatures

Melissa D. McCarty, Attorney-in-Fact for Dee W. Hency		12/13/2007
**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).
(2)	9,025 shares of common stock indirectly held by the reporting person in the Southwestern Energy Company 401(k) Plan (the "401(k) Plan") investment fund were previously reported in Table 1 as a non-derivative security directly owned by the reporting person. An adjustment has been made to reflect the total common stock indirectly held in the 401(k) Plan investment fund on behalf of the insider.
(1)	Purchased through the Company's 401(k) plan from April 11, 2007, through December 12, 2007. The information in this report is based on a plan statement dated as of November 30, 2007.

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