XTO Energy Inc., a subsidiary of Exxon Mobil Corporation, is a leading natural gas and oil producer in the U.S. with expertise in developing tight gas, shale gas and unconventional oil resources. XTO has operations in all major U.S. producing regions. XTO has a reputation for efficient resource development, environmental stewardship and community involvement, with a particular commitment to building job readiness to meet the growing challenges and requirements of our domestic natural gas industry.