 BOISE, ID, June 7, 2021 PRNewswire - Perpetua Resources Corp. Nasdaq: PPTA TSX: PPTA Perpetua Resources or the Company today announced that as part of the annual reconstitution of the Russell stock indexes, Perpetua Resources is expected to be included in the Russell 2000 Index and the broad-market Russell 3000 Index effective after the U.S. market opens on June 28, 2021. We are pleased to have earned our inclusion in the Russell 2000 Index, one of the most widely cited performance benchmarks for emerging U.S. companies, said Laurel Sayer, President and CEO of Perpetua Resources. 