1. Name and Address of Reporting Person Hammerschmidt, John P. 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) (X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other (specify below) 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 | +---------------------------------+----------+-------------+-----------+------+----------+----------------+-----------+------------+ 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) | |(A) |(D) |cisable |tion Date |Title |Shares |Security |Year |(I) |ship | +-------------+--------+----------+---------+-----+-----+----------+----------+-------+--------+----------+--------+-------+-------+ Stock Options $6.5 12/31/2009 Common 12000 D (Right to buy) Stock Stock Options $7 12/31/2008 Common 12000 D (Right to buy) Stock Stock Options $9.75 12/31/2010 Common 8000 D (Right to buy) Stock Stock Options $10.9 12/31/2001 A 8000 12/31/2002 12/31/2011 Common 8000 $0.0000 8000 D (Right to buy)Stock Stock Options $12.75 12/31/2007 Common 12000 D (Right to buy) Stock Stock Options $12.875 12/31/2005 Common 12000 D (Right to buy) Stock Stock Options $14.75 12/31/2004 Common 12000 D (Right to buy) Stock Stock Options $15.125 12/31/2006 Common 12000 D (Right to buy) Stock Explanation of Responses: SIGNATURE OF REPORTING PERSON /s/ John P. Hammerschmidt DATE 02/07/2002 Option becomes exercisable in four equal annual installments beginning on the first anniversary of the grant date specified in Column 3 or immediately upon a change in control. Granted in consideration of services as a director.