La Loutre

Ranked as the 7th largest graphite deposit in the world by Mining.com and Mining Intelligence, the La Loutre project is located in Quebec, Canada. The property lies within the Grenville Geological Province, renowned for its favorable conditions for the formation of flake graphite.

Economic value of the project

Net present value (NPV)

  • Before tax: $797.5 million
  • After tax: $617.4 million

Internal rate of return (IRR)

  • Before tax: 30.3%
  • After tax: 24.7%

Investment recovery possible

  • Before tax: 3.1 years
  • After tax: 3.2 years

Initial investment required to build the mine and infrastructure: $504.5M

These estimates are based on an average graphite price of US$1,524 per tonne and an exchange rate of CAD$1 = US$0.70

In the Laurentian region of Quebec

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La Loutre Project

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The company also holds interests in seven early-stage exploration projects in southern Quebec, the Laurentians, and the KZA territory: Ruisseau, Tremblant, Meloche, Boyd, Dieppe, North Low, and Carmin. These represent:

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hectares of mining claims
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mining claims

In the region, the highest graphite grades are generally associated with geological contacts between marble and paragneiss or quartzite. Disseminated mineralization of large flake graphite is present in several locations within the Grenville Province metamorphic belt, which extends from Quebec to southeastern Ontario.

The presence of this mineralization in the region creates potential for the future development of responsible mining activities with low environmental impact.

Ruisseau

Highlights of the 2024 Exploration Season

Lomiko Metals has identified grades of up to 27.9% graphitic carbon (Cg) on its early-stage projects in the Laurentians. This work has notably led to the discovery of four new mineralized zones on the Ruisseau project, extending over 3 km.

Highlights of the 2025 Exploration Season

The spring 2025 field program confirmed the continuity of the two western zones. One of them has expanded considerably, increasing from 1,480 m in 2024 to approximately 3,850 m.

These results led to the development of a new exploration program, comprising 38 boreholes:

  • 18 holes in the Rune area
  • 20 holes in the La Roche area
  • 2,500 meters of drilling initially planned
Figure 1 : Compilation des résultats de l’échantillonnage de roches obtenues lors de l’échantillonnage à temps de réception précoce (Early Off Time) TDEM

Rune zone

  • 35 samples taken along the TDEM trend
  • 7 samples: 15 to 20% Cg
  • 15 samples: > 20% Cg
  • Maximum: 27.9% Cg over a trend of 1450 m

La Roche area

  • 23 samples over 1,480 m
  • 6 samples: 15 to 20% Cg
  • 6 samples: > 20% Cg
  • Maximum : 24,7 % Cg

2026 Soil Resampling program confirms wide REE anomalies

Additional REE analysis on 32 samples from the Phase II soil sampling program at the Yellow Fox Property. Recent success from the 2025 Phase II soil sampling program resulted in the identification of new REE anomalies (Cerium (Ce) and Lanthanum (La)). These positive results led to re-running seven samples with a rare-earth ICP package, yielding highly anomalous Light Rare Earth Element (LREE) and Heavy Rare Earth Element (HREE) assays hosted within the Mount Peyton Intrusion. This new REE discovery prompted the submission of 32 additional samples for REE analysis, which will serve as the basis for this release.

  Highlights:

  • Highly elevated Dysprosium (Dy) and Terbium (Tb) results. Both Dy & Tb are used in High Performance Magnets and are essential for high-heat magnet applications.
  • Highly anomalous HREE + Y samples demonstrate a potential HREE-enriched system.
  • Pervasive Yttrium values in close spatial association with Dysprosium
  • Strong HREE+Y/LREE Ratios indicate the higher value of REE projects as the HREEs are more sought after and entitle higher selling prices.
  • Multiple samples exceeding HREE+Y/LREE ratios of 0.5, which is very rare
Figure 1: HREE+Y/LREE and LREE Anomalies

Previous trenches had samples reaching up to 59.43 g/t of gold (Au), 11.10% of antimony (Sb), 7.00% of zinc (Zn), 72.90 g/t of silver (Ag) and 5.50% of lead (Pb), in arsenopyrite-stibnite veins within an altered monzogranite.

Qualified people

The technical information presented has been reviewed and approved by Gordana Slepcev, P.Eng., CEO of Lomiko Metals, acting as a Qualified Person within the meaning of Canadian Standard NI 43-101.

The documents were also reviewed by Wayne Reid, P.Geo., Qualified Person for Metals Creek, Newfoundland.

The samples were dried and then analyzed by Eastern Analytical Ltd. (Springdale, Newfoundland) according to the ICP34 method, using the ICP-OES analytical technique.

Yellow Fox Map

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