Germanium Mining Corp. Expands Lac du Km 35 Germanium Property Ahead of 2026 Exploration Season

VANCOUVER, BRITISH COLUMBIA — June 3, 2026 — Leads & Copy — GERMANIUM MINING CORP. announced today the strategic expansion of its 100% owned Lac du Km 35 Germanium Property, staking an additional 18 mineral claims encompassing 995 hectares. This expansion brings the total property area to 54.8 square kilometers across 99 contiguous claims, consolidating the most promising zones for Germanium exploration.

The newly acquired claims are situated directly north of the Laganière Germanium showing area, establishing a critical expansion zone in anticipation of the 2026 exploration season. This strategic move aims to capitalize on potential discoveries adjacent to the Laganière showing, which hosts the highest-grade Germanium sample ever recorded in Quebec at 186 parts per million.

Mario Pezzente, Chief Executive Officer of Germanium Mining Corp., stated, “We have strategically expanded our 100% owned Lac du Km 35 Germanium property ahead of the active 2026 exploration season to allow for potential additional discoveries contiguous to the north of the Laganière showing that hosts the highest-grade Germanium sample in the Province of Quebec at 186 ppm.”

The company plans to commence a multi-stage exploration program with the objective of identifying new Germanium deposits on this highly prospective critical metal project. Germanium Mining Corp. is committed to developing strategic resources within stable jurisdictions to potentially bolster a more secure and resilient North American supply chain.

The upcoming 2026 exploration program will feature a high-sensitivity magnetic airborne survey, coupled with a ground electromagnetic survey. These surveys are designed to detect Germanium that may be associated with lower conductivity silver-zinc mineralization and to identify potential additional shear zones and electromagnetic anomalies. These findings will be thoroughly investigated on-site and will guide the sampling and assaying program.

The area surrounding the Laganière showing will be a primary focus for further exploration, sampling, and assaying, with the aim of defining diamond drill targets for testing in the Fall of 2026. The initial phase of diamond drilling is planned to achieve “discovery hole” status, with an estimated 6 to 10 holes totaling approximately 2,500 meters to be drilled in early Winter 2026. The precise drilling depth will be determined by the characteristics of the electromagnetic anomalies identified by the new surveys, corroborated by outcrop mapping and sampling.

Outcrop mapping will provide crucial data on the orientation and dip of potential Germanium mineralization. Current assay results from the Laganière showing have yielded approximately 0.02% (186 ppm) Germanium, the highest grade recorded in Quebec to date. The company's target is to increase Germanium grades to at least 0.04% (350-400 ppm) with an average intersection width of at least 10 meters.

The anticipated 2026-2027 exploration timetable includes airborne survey results in June 2026, followed by outcrop mapping and sampling in June/July 2026. Assay results from outcrop sampling are expected in September 2026, with drill permitting anticipated between October and December 2026. A diamond drilling program is scheduled for January 2027, with assay results to follow.

The 100% owned Lac du Km 35 Germanium Property is located approximately 40 km east of Chibougamau, Quebec, and is accessible via Highway 167 and a main logging road. The property encompasses the Faribault Shear Zone (“FSZ”), a significant structural feature that may connect with deeper permeable zones, serving as a conduit for hydrothermal fluids.

The Laganière Germanium showing, discovered by government geologists in 1998, returned 0.02% (186 ppm) germanium from a peridotite outcrop. This showing is situated adjacent to the main lumber road and near a cluster of untested electromagnetic anomalies. The area between the FSZ and the Laganière Germanium showing, including these anomalies, will be a primary exploration focus for GMC.

Germanium is a vital metalloid with increasing applications in electronics, solar technology, fiber optics, and infrared optics for both civilian and military use. It is classified as a critical metal by Canada, the United States, and the European Union. China's recent ban on germanium exports to the United States, coupled with the absence of an openly traded commodity market, has led to spot prices exceeding US$5,000 per kilogram.

Benoit Moreau, P.Eng., vice-president of exploration for Germanium Mining Corp. and a qualified person under National Instrument 43-101, is responsible for the technical information presented in this news release.

Germanium Mining Corp. is an exploration company focused on developing discovery-stage mineral properties in key Canadian mining jurisdictions, including Ontario and Quebec.

Source: Germanium Mining Corp.