IPAA Annual Meeting 8 Devon Energy Barnett Shale Overview Net Acreage Core: 127,000 acres Non-Core: 540,000 acres Far West: 66,000 acres Total: 733,000 Net Production: ~650 MMcfe/d Producing wells: ~2,500 2005 activity: drilled 268 wells 2006 plans: drill 385 wells Acquisitions: Mitchell Energy Chief Production Source: Devon Energy