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

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.