Matador Resources Company engages in the exploration, development, production, and acquisition of oil and natural gas resources in the United States. The company primarily holds interests in the Eagle Ford shale play in South Texas; the Haynesville shale play, including the Middle Bossier shale play, as well as the Cotton Valley and Hosston formations in Northwest Louisiana and East Texas; the Wolfcamp and Bone Spring plays in Southeast New Mexico and West Texas; and the Meade Peak shale play in Southwest Wyoming and the adjacent areas of Utah and Idaho. As of December 31, 2012, its estimated total proved reserves were 23.8 million barrels of oil equivalent, including 10.5 million Bbl of oil and 80.0 billion cubic feet of natural gas. The company was formerly known as Matador Holdco, Inc. and changed its name to Matador Resources Company in August 2011. Matador Resources Company was founded in 2003 and is headquartered in Dallas, Texas.