1. Name and Address of Reporting Person Wilson, Stanley T. 2350 N. Sam Houston Parkway East Suite 300 Houston, TX 77032 USA 2. Issuer Name and Ticker or Trading Symbol Southwestern Energy Company (SWN) 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Year 4/2002 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other (specify below) Chief Accounting Officer 7. 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 |2. Trans- |3. Trans- |4. Securities Acquired (A) |5. Amount of |6. Owner- |7. Nature | | | action | action | or Disposed of (D) | Securities | ship | of In- | | | Date | Code | | Beneficially | Form: | direct | | | | | | Owned at | Direct | Bene- | | | (Month/ | | | End of | (D) or | ficial | | | Day/ +-------+-----+-----------+------+----------+ Month | Indirect| Owner- | | | Year) |Code |V |Amount |A/D |Price | | (I) | ship | +---------------------------------+----------+-------+-----+-----------+------+----------+----------------+-----------+------------+ Common Stock 04/03/2002 M 3600 A $7.3125 D Common Stock 04/03/2002 S -3600 D $12.7000 D Common Stock 04/03/2002 M 400 A $7.3125 D Common Stock 04/03/2002 S -400 D $12.6500 D Common Stock 04/04/2002 M 1000 A $7.3125 D Common Stock 04/04/2002 S -1000 D $12.6100 11494 D TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned +-------------+--------+----------+---------+-----------+---------------------+----------------+----------+--------+-------+-------+ |1. |2. |3. |4. |5. |6. |7. |8. |9. |10. |11. | | | | | | | | | |Number |Owner- | | | | | | | | | | |of |ship | | | | | | | | | | |Deriv- |Form of| | | | | | | | |Title and Amount| |ative |Deriv- | | | | | | | | |of Underlying | |Secur- |ative |Nature | | |Conver- | | |Number of | |Securities | |ities |Secur- |of | | |sion or | | |Derivative |Date Exercisable +-------+--------+ |Benefi- |ity: |In- | | |Exercise| | |Securities |and Expiration Date | |Amount | |cially |Direct |direct | | |Price of|Transac- |Transac- |Acquired(A)|(Month/Day/Year) | |or | |Owned |(D) or |Bene- | |Title of |Deriv- |tion Date |tion Code|Disposed(D)+----------+----------+ |Number |Price of |at End |In- |ficial | |Derivative |ative |(Month/ +------+--+-----+-----+Date Exer-|Expira- | |of |Derivative|of |direct |Owner- | |Security |Security|Day/Year) |Code |V |(A) |(D) |cisable |tion Date |Title |Shares |Security |Month |(I) |ship | +-------------+--------+----------+------+--+-----+-----+----------+----------+-------+--------+----------+--------+-------+-------+ Stock Options $7.3125 04/03/2002 M 3600 09/11/1999 09/11/2008 Common 3600 $7.3125 D (Right to buy) Stock Stock Options $7.3125 04/03/2002 M 400 09/11/1999 09/11/2008 Common 400 $7.3125 D (Right to buy) Stock Stock Options $7.3125 04/04/2002 M 1000 09/11/1999 09/11/2008 Common 1000 $7.3125 0 D (Right to buy) Stock Explanation of Responses: SIGNATURE OF REPORTING PERSON /s/ Stanley T. Wilson DATE 05/01/2002