X0202 4 2007-07-30 0000007332 SOUTHWESTERN ENERGY CO SWN 0001103820 LANE RICHARD F 2350 N. SAM HOUSTON PKWY EAST SUITE 125 HOUSTON TX 77032 0 1 0 0 Pres. E&P and EVP SWN Common Stock 2007-07-30 4 M 0 27500 1.5 A 255877 D Common Stock 2007-08-01 4 J 0 27500 0 D 228377 D Common Stock 11827.6324 I By Nonqualified Retirement Plan Stock Options (Right to buy) 1.5 2007-07-30 4 M 0 27500 1.5 D 2000-12-16 2009-12-16 Common Stock 27500 27500 D The cash option exercise is being executed at the direction of the reporting person's ex-wife pursuant to a Domestic Relations Order entered on April 4, 2007. The reporting person transferred the 27,500 shares of common stock resulting from the option exercise to his ex-wife immediately upon receipt. The reporting person disclaims beneficial ownership of any securities owned by his ex-wife. Melissa D. McCarty, Attorney-in-Fact 2007-08-01