Perpetua Resources up on receiving final federal permit for Stibnite antimony mine

Shares of Perpetua Resources PPTA.O rise 2.3% to $13.06 premarket

Company says it has received the final federal permit for its Idaho antimony and gold Stibnite project from the United States Army Corps of Engineers

The Pentagon-backed mine would be the US' first antimony project

PPTA says the project holds roughly 148 million pounds of antimony reserves and could meet about 35% of U.S. antimony demand during its first six years of production

Co says the project is expected to produce 450,000 ounces of gold annually over its first four years of production

As of last close, shares up ~20% YTD