Imperial Provides Update on Red Chris 2025 Production and Production Guidance for 2026

Executive Summary

• Imperial Metals reported 2025 metal production from Red Chris (100% basis) of 93.1 M lbs Cu and 92,429 oz Au, surpassing its 2025 guidance of 88 M lbs Cu and 86,000 oz Au.
• The Company’s 30% share of Red Chris output for 2025 was 27.9 M lbs Cu and 27,729 oz Au, both up year‑over‑year.
• A feasibility study for a block‑cave expansion at Red Chris is progressing, with completion and joint‑venture approval targeted for H2 2026; Newmont’s 2026 guidance reflects lower production due to planned mining sequence.

Key Details

• 2025 Production (100% Red Chris):
• Copper: 93,101,213 lb (up from 85,320,618 lb in 2024)

• Gold: 92,429 oz (up from 59,811 oz in 2024)

• Imperial’s 30% Share (2025):

• Copper: 27,930,364 lb (up from 25,596,185 lb in 2024)

• Gold: 27,729 oz (up from 17,943 oz in 2024)

• Guidance Comparison:

• Red Chris 2025 guidance: 88 M lb Cu & 86,000 oz Au – both exceeded.

• Feasibility Study & Expansion:

• Block‑cave expansion study advancing; permitting activities ongoing.

• Expected completion and joint‑venture approval in H2 2026, subject to study outcomes.

• Newmont Mining Guidance for Red Chris (100%):

• Copper: 60–66 M lb for calendar year 2026
• Gold: 47,500–52,5 00 oz for calendar year 2026

• Production expected to be lower in 2026 due to mining lower‑grade ore, stockpile processing, and stripping for the next open‑pit phase.

• Qualified Person: Steve Robertson, P.Geo., VP Corporate Development, reviewed production disclosures per NI 43‑101.

Notable Quotes

(No direct quotes provided in the release.)