 BOISE, Idaho, July 1, 2021 PRNewswire - Perpetua Resources Corp. Nasdaq: PPTA TSX: PPTA Perpetua Resources today announced that the United States Forest Service USFS is advancing Perpetua Resources modified proposed action in the National Environmental Policy Act NEPA process and updated the permitting schedule for the Stibnite Gold Project the Project. The Project is designed to use responsible mining to develop a world-class gold mine, restore an abandoned mine site, provide the United States with the only domestic source of the critical mineral antimony and contribute to the economic success of Idaho. 