X0202 4 2008-03-13 0000007332 SOUTHWESTERN ENERGY CO SWN 0001103813 KERLEY GREGORY D 2350 N. SAM HOUSTON PKWY EAST SUITE 125 HOUSTON TX 77032 0 1 0 0 Executive Vice President & CFO Common Stock 2008-03-13 4 S 0 4800 67.69 D 744242 D Common Stock 2008-03-13 4 S 0 10181 67.7 D 734061 D Common Stock 2008-03-13 4 S 0 4342 67.71 D 729719 D Common Stock 2008-03-13 4 S 0 2900 67.72 D 726819 D Common Stock 2008-03-13 4 S 0 3300 67.73 D 723519 D Common Stock 2008-03-13 4 S 0 1900 67.74 D 721619 D Common Stock 2008-03-13 4 S 0 1300 67.75 D 720319 D Common Stock 2008-03-13 4 S 0 3600 67.76 D 716719 D Common Stock 2008-03-13 4 S 0 1500 67.77 D 715219 D Common Stock 2008-03-13 4 S 0 300 67.78 D 714919 D Common Stock 2008-03-13 4 S 0 1886 67.79 D 713033 D Common Stock 2008-03-13 4 S 0 1800 67.8 D 711233 D Common Stock 2008-03-13 4 S 0 2514 67.81 D 708719 D Common Stock 2008-03-13 4 S 0 1200 67.82 D 707519 D Common Stock 2008-03-13 4 S 0 800 67.83 D 706719 D Common Stock 2008-03-13 4 S 0 800 67.84 D 705919 D Common Stock 2008-03-13 4 S 0 1900 67.85 D 704019 D Common Stock 2008-03-13 4 S 0 600 67.89 D 703419 D Common Stock 2008-03-13 4 S 0 1600 67.9 D 701819 D Common Stock 2008-03-13 4 S 0 1200 67.91 D 700619 D Common Stock 2008-03-13 4 S 0 200 67.92 D 700419 D Common Stock 2008-03-13 4 S 0 500 67.93 D 699919 D Common Stock 2008-03-13 4 S 0 400 67.95 D 699519 D Common Stock 2008-03-13 4 S 0 100 67.96 D 699419 D Common Stock 12437.2461 I By 401(k) plan Melissa D. McCarty, Attorney-in-Fact for Gregory D. Kerley 2008-03-14