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*
KERLEY GREGORY D
(Last) (First) (Middle)
2350 N. SAM HOUSTON PARKWAY EAST
SUITE 300
(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
Exec. VP & CFO
3. Date of Earliest Transaction (Month/Day/Year)
06/15/2005
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 06/15/2005 M 31,348 A $3.6563 394,830(1) D
Common Stock 06/15/2005 M 1,052 A $6.25 395,882(1) D
Common Stock 06/15/2005 S 32,400 D $43.5101 363,482(1) D
Common Stock 06/16/2005 M 6,348 A $6.25 369,830(1) D
Common Stock 06/16/2005 M 25,000 A $4.82 394,830(1) D
Common Stock 06/16/2005 M 8,752 A $5.73 403,582(1) D
Common Stock 06/16/2005 S 40,100 D $43.5018 363,482(1) D
Common Stock 06/17/2005 M 27,500 A $5.73 390,982(1) D
Common Stock 06/17/2005 S 27,500 D $43.6854 363,482(1) D
Common Stock 06/17/2005 J(2) 158.0918 A $58.2136 5,739.5704(3) I By 401(k) plan
Common Stock 06/17/2005 J(4) 105.413 A $58.205 12,897.4316(5) I By Nonqualified Retirement Plan
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) $3.6563(6) 06/15/2005 M 31,348 09/11/1999 09/11/2008 Common Stock 31,348(6) $0 0 D
Stock Options (Right to buy) $4.82(7) 06/16/2005 M 25,000 12/20/2002 12/20/2011 Common Stock 25,000(7) $0 0 D
Stock Options (Right to buy) $5.73(8) 06/16/2005 M 8,752 12/11/2003 12/11/2012 Common Stock 8,752(8) $0 82,972 D
Stock Options (Right to buy) $5.73(8) 06/17/2005 M 27,500 12/11/2003 12/11/2012 Common Stock 27,500(8) $0 55,472 D
Stock Options (Right to buy) $6.25(9) 06/15/2005 M 1,052 12/17/1998 12/17/2007 Common Stock 1,052(9) $0 6,348 D
Stock Options (Right to buy) $6.25(9) 06/16/2005 M 6,348 12/17/1998 12/17/2007 Common Stock 6,348(9) $0 0 D
Explanation of Responses:
1. On May 20, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 181,741 additional shares of common stock.
2. Purchased through the Company's 401(k) plan from January 26, 2005, through May 26, 2005.
3. On May 20, 2005, the common stock split 2-for-1, resulting in the reporting person's acquisition of 2,869.7852 through the Company's 401(k) plan.
4. Purchased through the Company's Nonqualified Retirement Plan from January 26, 2005, through May 26, 2005.
5. On May 20, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 6,448.7158 shares through the Company's Nonqualified Retirement Plan.
6. This option was previously reported as covering 15,674 shares at an exercise price of $7.3125, but was adjusted to reflect the stock split on May 20, 2005.
7. This option was previously reported as covering 12,500 shares at an exercise price of $9.64, but was adjusted to reflect the stock split on May 20, 2005.
8. This option was previously reported as covering 37,136 shares at an exercise price of $11.46 per share, but was adjusted to reflect the stock split on May 20, 2005.
9. This option was previously reported as covering 3,700 shares at an exercise price of $12.50 per share, but was adjusted to reflect the stock split on May 20, 2005.
Melissa D. McCarty, Attorney-in-Fact 06/17/2005
** 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).
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