SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
HOWARD ROBERT L

(Last) (First) (Middle)
SUITE 125
2350 N. SAM HOUSTON PARKWAY EAST

(Street)
HOUSTON TX 77032

(City) (State) (Zip)
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)
3. Date of Earliest Transaction (Month/Day/Year)
06/03/2008
4. If Amendment, Date of 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
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 06/03/2008 M 64,000 A $1.22 211,900(1) D
Common Stock 06/03/2008 S 600 D $45.26 211,300 D
Common Stock 06/03/2008 S 1,500 D $45.28 209,800 D
Common Stock 06/03/2008 S 600 D $45.29 209,200 D
Common Stock 06/03/2008 S 3,000 D $45.3 206,200 D
Common Stock 06/03/2008 S 900 D $45.31 205,300 D
Common Stock 06/03/2008 S 1,100 D $45.32 204,200 D
Common Stock 06/03/2008 S 200 D $45.33 204,000 D
Common Stock 06/03/2008 S 1,600 D $45.34 202,400 D
Common Stock 06/03/2008 S 5,300 D $45.35 197,100 D
Common Stock 06/03/2008 S 1,544 D $45.36 195,556 D
Common Stock 06/03/2008 S 2,056 D $45.37 193,500 D
Common Stock 06/03/2008 S 900 D $45.38 192,600 D
Common Stock 06/03/2008 S 2,563 D $45.4 190,037 D
Common Stock 06/03/2008 S 500 D $45.41 189,537 D
Common Stock 06/03/2008 S 400 D $45.42 189,137 D
Common Stock 06/03/2008 S 1,700 D $45.43 187,437 D
Common Stock 06/03/2008 S 100 D $45.45 187,337 D
Common Stock 06/03/2008 S 1,000 D $45.46 186,337 D
Common Stock 06/03/2008 S 200 D $45.48 186,137 D
Common Stock 06/03/2008 S 12,220 D $45.5 173,917 D
Common Stock 06/03/2008 S 2,300 D $45.505 171,617 D
Common Stock 06/03/2008 S 1,870 D $45.51 169,747 D
Common Stock 06/03/2008 S 200 D $45.515 169,547 D
Common Stock 06/03/2008 S 1,700 D $45.52 167,847 D
Common Stock 06/03/2008 S 300 D $45.53 167,547 D
Common Stock 06/03/2008 S 100 D $45.54 167,447 D
Common Stock 06/03/2008 S 200 D $45.55 167,247 D
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 Securities Underlying Derivative Security (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: 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) $1.22 06/03/2008 M 64,000 12/31/2001 12/31/2010 Common Stock 64,000 $0 0 D
Explanation of Responses:
1. On March 25, 2008, the common stock of Southwestern Energy Company split 2-for-1, resulting in an increase of 73,950 shares of common stock directly held by the reporting person.
/s/ Melissa D. McCarty, Attorney-in-fact for Robert L. Howard 06/05/2008
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.