X0202 4 2005-12-08 0000007332 SOUTHWESTERN ENERGY CO SWN 0001103814 ODONNELL TIMOTHY J 2350 N. SAM HOUSTON PARKWAY EAST SUITE 300 HOUSTON TX 77032 0 1 0 0 VP & Treasurer Common Stock 2005-12-08 4 A 0 860 0 A 80042.304 D Stock Options (Right to buy) 1.5 2000-12-16 2009-12-16 Common Stock 40000 40000 D Stock Options (Right to buy) 1.8594 2001-12-14 2010-12-14 Common Stock 60000 60000 D Stock Options (Right to buy) 2.865 2003-12-11 2012-12-11 Common Stock 4628 4628 D Stock Options (Right to buy) 5.285 2004-12-10 2013-12-10 Common Stock 6052 6052 D Stock Options (Right to buy) 12.45 2005-12-09 2011-12-09 Common Stock 7640 7640 D Stock Options (Right to buy) 35.49 2005-12-08 4 A 0 3050 A 2006-12-08 2012-12-08 Common Stock 3050 3050 D This option was previously reported as covering 10,000 shares at an exercise price of $6.00 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 15,000 shares at an exercise price of $7.4375 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 1,910 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. 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. This option was previously reported as covering 1,157 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 1,513 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 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 59,386.728 additional shares of common stock. Restricted stock and options granted in consideration of services as an officer. Melissa D. McCarty, Attorney-in-Fact 2005-12-12