The exploration activities of U.S. GoldMining's Whistler Project are subject to State of Alaska laws and regulations governing the protection of the environment. The Whistler Project rehabilitation provision, which is the obligation and responsibility of U.S. GoldMining, is valued under the following assumptions:

During the year ended November 30, 2025, the rehabilitation provision for the Yellowknife Project was revised higher due to changes in the estimated timing of reclamation activities and updated assumptions regarding reclamation costs. The Yellowknife Project rehabilitation provision is expected to be settled in November 2032 and is valued under the following assumptions:

The following table summarizes the movements in the rehabilitation provisions: