X0202 4 2005-12-08 0000007332 SOUTHWESTERN ENERGY CO SWN 0001290496 Hency Dee W 2350 N. SAM HOUSTON PARKWAY EAST SUITE 300 HOUSTON TX 77032 0 1 0 0 Chief Information Officer Common Stock 2005-12-08 4 A 0 1240 0 A 283932 D Common Stock 2005-12-12 4 J 0 17.383 36.6154 A 217.3394 I by 401(k) plan Common Stock 400 I by Child Stock Options (Right to buy) 2.41 2002-12-20 2011-12-20 Common Stock 5800 5800 D Stock Options (Right to buy) 2.865 2003-12-11 2012-12-11 Common Stock 22584 22584 D Stock Options (Right to buy) 5.285 2004-12-10 2013-12-10 Common Stock 22080 22080 D Stock Options (Right to buy) 12.45 2005-12-09 2011-12-09 Common Stock 11040 11040 D Stock Options (Right to buy) 35.49 2005-12-08 4 A 0 4400 A 2006-12-08 2012-12-08 Common Stock 4400 4400 D This option was previously reported as covering 5,646 shares at an exercise price of $11.46 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 5,520 shares at an exercise price of $21.14 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 November 3, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 141,346 additional shraes of common stock. 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 November 3, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 99.9782 shares of common stock indirectlyt owned by the reporting person through the Company's 401(k) Plan. This option was previously reported as covering 2,760 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. Purchased through the Company's 401(k) plan from October 3, 2005, to December 8, 2005. This option was previously reported as covering 1,450 shares at an exercise price of $9.64 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 November 3, 2005, the common stock of Southwestern Energy Company split 2-for-1, resulting in the reporting person's acquisition of 200 additional shares indirectly owned through the reporting person's son. Restricted stock and options granted in consideration of services as an officer. Melissa D. McCarty, Attorney-in-Fact 2005-12-12