X0202 4 2005-12-13 0000007332 SOUTHWESTERN ENERGY CO SWN 0001103811 SCHARLAU CHARLES E 2350 N. SAM HOUSTON PARKWAY EAST SUITE 300 HOUSTON TX 77032 1 0 0 0 Common Stock 2005-12-13 4 A 0 770 0 A 475386 D Common Stock 4000 I By spouse Stock Options (Right to buy) 1.625 2000-12-31 2009-12-31 Common Stock 48000 48000 D Stock Options (Right to buy) 1.8282 1999-09-11 2008-09-11 Common Stock 48000 48000 D Stock Options (Right to buy) 2.4375 2001-12-31 2010-12-31 Common Stock 32000 32000 D Stock Options (Right to buy) 2.725 2002-12-31 2011-12-31 Common Stock 32000 32000 D Stock Options (Right to buy) 2.935 2003-12-31 2012-12-31 Common Stock 32000 32000 D Stock Options (Right to buy) 3.125 1998-12-17 2007-12-17 Common Stock 328000 328000 D Stock Options (Right to buy) 3.6875 1997-12-11 2006-12-11 Common Stock 100000 100000 D Stock Options (Right to buy) 6.195 2004-12-31 2013-12-31 Common Stock 32000 32000 D Stock Options (Right to buy) 12.45 2005-12-09 2011-12-09 Common Stock 6880 6880 D Stock Options (Right to buy) 35.94 2005-12-13 4 A 0 2750 A 2006-12-13 2012-12-13 Common Stock 2750 2750 D This option was previously reported as covering 8,000 shares at an exercise price of $11.74 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. On May 20, 2005, and again on November 3, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 355,962 additional shares of common stock. This option was previously reported as covering 8,000 shares at an exercise price of $10.90 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. This option was previously reported as covering 12,000 shares at an exercise price of $6.50 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. This option was previously reported as covering 8,000 shares at an exercise price of $9.75 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. This option was previously reported as covering 8,000 shares at an exercise price of $24.78 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. Restricted stock and options granted in consideration of services as a director. 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. On May 20, 2005, and again on November 3, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 3,000 additional shares of common stock indirectly owned through the reporting person's spouse. This option was previously reported as covering 12,000 shares at an exercise price of $7.3125 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. This option was previously reported as covering 25,000 shares at an exercise price of $14.75 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. This option was previously reported as covering 82,000 shares at an exercise price of $12.50 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. This option was previously reported as covering 1,720 shares at an exercise price of $49.80 per share, and has been adjusted as a result of a 2-for-1 stock split on May 20, 2005, and a 2-for-1 stock split on November 3, 2005. Melissa D. McCarty, Attorney in Fact for Charles E. Scharlau 2005-12-13