1. Name and Address of Reporting Person O'Donnell, Timothy J. 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) Treasurer - Vice President Human Resources 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 10/16/2001 A 14 A $0.0000 DCommon Stock 12/20/2001 A 5300 A $0.0000 16955.576 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) | |(A) |(D) |cisable |tion Date |Title |Shares |Security |Year |(I) |ship | +-------------+--------+----------+---------+-----+-----+----------+----------+-------+--------+----------+--------+-------+-------+ Stock Options $6 12/16/2009 Common 11500 D (Right to buy) Stock Stock Options $7.3125 09/11/2008 Common 5000 D (Right to buy) Stock Stock Options $7.4375 12/14/2010 Common 15000 D (Right to buy) Stock Stock Options $9.64 12/20/2001 A 2700 12/20/2002 12/20/2011 Common 2700 $0.0000 2700 D (Right to buy) Stock Stock Options $10.625 07/08/2008 Common 400 D (Right to buy) Stock Stock Options $14.125 02/27/2007 Common 200 D (Right to buy) Stock Explanation of Responses: SIGNATURE OF REPORTING PERSON /s/ Timothy J. O'Donnell DATE 02/07/2002 Employee service award granted for 10 years of service with the Company. 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.