HOUSTON, April 9, 2008 /PRNewswire-FirstCall/ -- In conjunction with Southwestern Energy Company's 2008 First Quarter earnings release, you are invited to listen to its conference call that will be broadcast live over the Internet on Friday, April 25, 2008, at 10:00 a.m. EDT with Harold M. Korell, President and Chief Executive Officer of Southwestern Energy Company. Southwestern Energy Company announces the following Webcast: What: Southwestern Energy Company's First Quarter 2008 Earnings When: April 25, 2008 @ 10:00 a.m. EDT Where: http://www.videonewswire.com/event.asp?id=47362 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, and natural gas distribution. Additional information on the Company can be found on the Internet at http://www.swn.com/. http://www.videonewswire.com/event.asp?id=47362DATASOURCE: Southwestern Energy Company CONTACT: Brad Sylvester, Manager Investor Relations of Southwestern Energy Company, +1-281-618-4897 Web site: http://www.swn.com/

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