Perpetua Resources updates Stibnite Gold Project economics: $1.4B NPV, $90.2M Idaho Power deal

PERPETUA RESOURCES CORP.

Updated model shows $1.4B after-tax NPV (5%) and 15.4% IRR at consensus gold $2,100/oz; at spot $2,900/oz, NPV $3.7B with 27.1% IRR.
AISC averages $435/oz first 4 years, under $760/oz LOM; project positioned as lowest-cost gold project in US, Canada, Australia.
Over 15% increase in projected job-years may support increase to existing $1.8B EXIM letter of interest.
Agreement with Idaho Power to procure long lead equipment with estimated cost $90.2M; initial $18.8M payment due.
Initial capital estimate increased to $2.215B from $1.263B in 2020 FS, driven by inflation, power line upgrades, and oxygen plant buy-and-build.

item 7.01 item 9.01

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