2007 reserves of 353 Bcfe equivalent (24% of total proved reserves). 2007 production of 29.9 Bcfe equivalent (26% of total production).

Southwestern is currently focusing its drilling activity in the Angelina River Trend area on the James Lime where, as of March 31, 2008 it had four operated wells on production which had gross initial production rates ranging from 5.0 to 14.4 MMcf per day. As of March 31, 2008, Southwestern’s net production from the James Lime is approximately 12 MMcf per day including production from five outside-operated wells.