1. Name and Address of Reporting Person Kerley, Greg D. 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 2001 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) Executive Vice President and Chief Financial 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/ | +-----------+------+----------+ Year | Indirect| Owner- | | | Year) | |Amount |A/D |Price | | (I) | ship | +---------------------------------+----------+-------------+-----------+------+----------+----------------+-----------+------------+ Common Stock 12/20/2001 A 36800 A $0.0000 64250 DTABLE 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) | |(A) |(D) |cisable |tion Date |Title |Shares |Security |Year |(I) |ship | +-------------+--------+----------+---------+-----+-----+----------+----------+-------+--------+----------+--------+-------+-------+ Stock Options $6 12/16/2009 Common 68250 D (Right to buy) Stock Stock Options $7.3125 09/11/2008 Common 20000 D (Right to buy) Stock Stock Options $7.4375 12/14/2010 Common 100000 D (Right to buy) Stock Stock Options $9.64 12/20/2001 A 12500 12/20/2002 12/20/2011 Common 12500 $0.0000 D (Right to buy) Stock Stock Options $9.64 12/20/2001 A 6250 12/20/2002 12/20/2011 Common 6250 $0.0000 18750 D (Right to buy) Stock Stock Options $12.5 12/17/2007 Common 11100 D (Right to buy) Stock Stock Options $12.8125 12/16/2002 Common 3000 D (Right to buy) Stock Stock Options $13.375 12/08/2005 Common 3750 D (Right to buy) Stock Stock Options $14.125 02/27/2007 Common 200 D (Right to buy) Stock Stock Options $14.625 12/14/2004 Common 50000 D (Right to buy) Stock Stock Options $14.75 12/11/2006 Common 4500 D (Right to buy) Stock Stock Options $17.125 12/14/2003 Common 3247 D (Right to buy) Stock Explanation of Responses: SIGNATURE OF REPORTING PERSON /s/ Greg D. Kerley DATE 02/07/2002 Granted in consideration of services as an officer. Option becomes exercisable in three equal annual installments beginning on the first anniversary of the grant date specified in Column 3 or immediately upon a change in control.