Hugoton Royalty Trust Stock Nyse

Hugoton Royalty Trust is an express trust, which is created pursuant to the Trust Indenture between XTO Energy Inc. (XTO Energy). Its properties are gas-producing properties located in the Hugoton area of Oklahoma and Kansas, the Anadarko Basin of Oklahoma and the Green River Basin of Wyoming. XTO Energy operates approximately 95% of the underlying properties. The Company's Hugoton area is a domestic natural gas producing area. XTO Energy is a producer in the Ringwood, Northwest Okeene and Cheyenne Valley fields of County, the Northeast Cedardale field of Woodward County and the Elk City field of Beckham County, the principal producing regions of the properties in the Anadarko Basin. The Green River Basin is located in southwestern Wyoming. XTO Energy is a wholly owned subsidiary of Exxon Mobil Corporation.