October 16, 2008

Webcast Alert: Southwestern Energy Company Invites You to Join Its Third Quarter 2008 Earnings Conference Call on the Web

HOUSTON, Oct. 16 /PRNewswire-FirstCall/ -- In conjunction with Southwestern Energy Company's 2008 Third Quarter earnings release, you are invited to listen to its conference call that will be broadcast live over the internet on Friday, October 31, 2008, at 10:00 a.m. EDT with Harold M. Korell, Chairman and Chief Executive Officer of Southwestern Energy Company. Southwestern Energy Company announces the following Webcast:

   What:    Southwestern Energy Company's Third Quarter 2008 Earnings    When:    October 31, 2008 @ 10:00 a.m. EDT    Where:   http://www.videonewswire.com/event.asp?id=51675    How:     Live over the Internet -- Simply log on to the web at the address            above or go to the Company's Web site: http://www.swn.com/    Contact: Brad Sylvester, Manager Investor Relations at (281) 618-4897.    

If you are unable to participate during the live webcast, the call will be archived on the Company's Web site: http://www.swn.com/. To access the replay, look under "Latest News & Information."

Southwestern Energy Company is an integrated natural gas company whose wholly-owned subsidiaries are engaged in oil and natural gas exploration and production, natural gas gathering and marketing. Additional information on the Company can be found on the internet at http://www.swn.com/.

Southwestern Energy Company

CONTACT: Brad Sylvester, Manager Investor Relations of SouthwesternEnergy Company, +1-281-618-4897

Web site: http://www.swn.com/