X0202 4 2008-03-05 0000007332 SOUTHWESTERN ENERGY CO SWN 0001103814 ODONNELL TIMOTHY J 2350 N. SAM HOUSTON PKWY EAST SUITE 125 HOUSTON TX 77032 0 1 0 0 Vice President & Treasurer Common Stock 2008-03-05 4 S 0 13200 66 D 75983.1992 D Common Stock 2008-03-05 4 S 0 1400 66.01 D 74583.1992 D Common Stock 2008-03-05 4 S 0 2384 66.02 D 72199.1992 D Common Stock 2008-03-05 4 S 0 600 66.03 D 71599.1992 D Common Stock 2008-03-05 4 S 0 1316 66.05 D 70283.1992 D Common Stock 2008-03-05 4 S 0 100 66.14 D 70183.1992 D Common Stock 2008-03-05 4 S 0 100 66.15 D 70083.1992 D Common Stock 2008-03-05 4 S 0 300 66.17 D 69783.1992 D Common Stock 2008-03-05 4 S 0 800 66.2 D 68983.1992 D Common Stock 2008-03-05 4 S 0 400 66.21 D 68583.1992 D Common Stock 2008-03-05 4 S 0 300 66.23 D 68283.1992 D Common Stock 2008-03-05 4 S 0 300 66.24 D 67983.1992 D Common Stock 2008-03-05 4 S 0 100 66.26 D 67883.1992 D Common Stock 2008-03-05 4 S 0 1900 66.5 D 65983.1992 D Common Stock 2008-03-05 4 S 0 1500 66.54 D 64483.1992 D Common Stock 2008-03-05 4 S 0 400 66.55 D 64083.1992 D Common Stock 2008-03-05 4 S 0 100 66.57 D 63983.1992 D Common Stock 2008-03-05 4 S 0 400 66.58 D 63583.1992 D Common Stock 2008-03-05 4 S 0 100 66.59 D 63483.1992 D Common Stock 2008-03-05 4 S 0 1800 66.6 D 61683.1992 D Common Stock 2008-03-05 4 S 0 100 66.62 D 61583.1992 D Common Stock 2008-03-05 4 S 0 600 66.63 D 60983.1992 D Common Stock 2008-03-05 4 S 0 300 66.64 D 60683.1992 D Common Stock 2008-03-05 4 S 0 192 66.66 D 60491.1992 D Common Stock 2008-03-05 4 S 0 400 66.71 D 60091.1992 D Common Stock 2008-03-05 4 S 0 500 66.74 D 59591.1992 D Common Stock 2008-03-05 4 S 0 408 66.82 D 59183.1992 D Common Stock 4252.968 I by 401(k) Plan Melissa D. McCarty, Attorney-in-Fact 2008-03-06