Permian Basin Royalty Trust, structured as an express trust, primarily holds overriding royalty interests in various oil and gas properties across the United States. Its assets notably include a 75% net overriding royalty stake in the Waddell Ranch properties, situated in Crane County, Texas. These holdings encompass fields such as Dune, Sand Hills (Judkins, McKnight, and Tubb), University-Waddell (Devonian), and Waddell. The trust further possesses a 95% net overriding royalty share in the Texas Royalty properties. This extensive collection, spread across 33 Texan counties, comprises roughly 125 distinct royalty interests and covers approximately 51,000 net producing acres. Prominent oil fields within this portfolio include Yates, Wasson, Sand Hills, East Texas, Kelly-Snyder, among others. Formed in 1980, the trust conducts its operations from Dallas, Texas.