Tintina Montana Inc., a wholly owned subsidiary of Sandfire Resources America Inc., completed the purchase of the 534.9-acre Mine Property from Bar Z Ranch Inc. ("Bar Z") on July 22, 2021. This property encompasses a majority of the area of surface disturbance and activity allowed in the Mine Operating Permit for the Johnny Lee Deposit, which was approved by the Montana Department of Environmental Quality ("MT DEQ") on August 17, 2020. Facilities include the future underground mine entrance and portal pad, mill facility, contact water reservoir, cemented tailings facility, and other features. The purchase was conducted under the arrangement outlined in the Company's contract with the surface property owner, Bar Z. The land sale only encompasses surface rights and does not include the associated Mineral Rights, which will continue to be owned by their current owners.