PEA

Preliminary Economic Assessment on Moonlight-Superior Project

In January 2025, the Company announced the results of the Preliminary Economic Assessment (PEA) completed by Global Resource Engineering Ltd., on the Moonlight-Superior Copper Project. Highlights were as follows:

Moonlight Deposit PEA Summary2 (Dollars in USD):

Est. Average Mill Feed Grade (LOM) 0.31% Cu
LOM 14 years
Production Rate 60,000 st/d
Metallurgical Copper Recovery 90%
Metallurgical Silver Recovery 80%
Initial Capital Costs $956 M
Operating Cost $7.50 /st
Copper Price $4.15 /lb
Silver Price $27.40 /oz
All-in Sustaining Cost/lb/Cu $2.51/lb
Life of Mine Cu Production 1.8 Bill/lbs
Post-tax IRR 23.0%
Post-tax NPV (8%) $1.075 B
  • 1. “Technical Report and Preliminary Economic Assessment for the MoonlightSuperior Project, California, USA” by Global Resource Engineering Ltd. dated December 16, 2024 available on SEDAR. The PEA is preliminary in nature and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the preliminary economic assessment will be realized.

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US Copper Corp.

217 Queen Street West, Suite 401
Toronto, ON, Canada, M5V 0R2

416.361.2827
[email protected]