X0306 4 2012-09-25 0000007332 SOUTHWESTERN ENERGY CO SWN 0001550993 Ponder Randall D 2350 N. SAM HOUSTON PARKWAY EAST SUITE 125 HOUSTON TX 77032 1 Sr. Vice Pres. of Subsidiary Common Stock 2012-09-25 4 M 0 5420 17.745 A 28332 I by Randall D. and Pamela K. Ponder Joint Revocable Trust Common Stock 2012-09-25 4 S 0 5420 33.2973 D 22912 I by Randall D. and Pamela K. Ponder Joint Revocable Trust Common Stock 2012-09-25 4 J 0 83.9805 31.1545 A 2337.2182 I by 401(k) Plan Common Stock 5388 D Stock Options (Right to Buy) 17.745 2012-09-25 4 M 0 5420 0 D 2006-12-08 2012-12-08 Common Stock 5420 0 D The non-derivative securities indirectly owned by the Randall D. Ponder and Pamela K. Ponder Joint Revocable Trust were previously reported as directly owned by the reporting person. This transaction was executed in multiple trades at prices ranging from $33.29 to $33.31. The price reported above in Column 4 reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon written request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected. Purchased through the Company's 401(k) plan from June 1, 2012, through September 25, 2012. The information in this report is based on a plan statement dated September 25, 2012. /s/ Melissa D. McCarty, attorney-in-fact for Mr. Ponder 2012-09-26