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McEwen Mining Files NI 43-101 Technical Report for Tartan Mine Project, Confirming Gold Resource Estimate

By Advos
McEwen Inc. has filed an independent NI 43-101 technical report for its Tartan Mine Project in Manitoba, supporting a mineral resource estimate of 308,900 ounces of gold in indicated resources and 302,700 ounces in inferred resources as of December 31, 2025.

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McEwen Mining Files NI 43-101 Technical Report for Tartan Mine Project, Confirming Gold Resource Estimate

McEwen Inc. (NYSE: MUX) (TSX: MUX) announced it has filed an independent National Instrument 43-101 technical report for its Tartan Mine Project in Manitoba. The report supports the previously disclosed mineral resource estimate of 308,900 ounces of gold in indicated resources and 302,700 ounces in inferred resources, with an effective date of December 31, 2025. The filing marks a key step in advancing the project, which is part of McEwen's growing portfolio of gold and silver assets in the Americas.

The Tartan Mine Project is located in the Flin Flon region of Manitoba, a prolific mining district. The technical report, prepared in accordance with NI 43-101 standards, provides a detailed assessment of the project's geology, mineralization, and resource estimation methodology. Investors can view the full press release at https://ibn.fm/pz0hW.

McEwen's shares trade on both the NYSE and TSX under the ticker MUX. The company provides shareholders with exposure to a growing base of gold and silver production, along with a large copper development project, all located in the Americas. Its gold and silver mines are situated in prolific mineral-rich regions, including the Cortez Trend in Nevada, the Timmins district of Ontario, Flin Flon in Manitoba, and the Deseado Massif in Santa Cruz province, Argentina. McEwen is also reactivating its gold-silver El Gallo Mine in Mexico.

In addition, McEwen holds a 46.3% interest in McEwen Copper, which owns the advanced-stage Los Azules copper development project in San Juan province, Argentina. According to the last financing for McEwen Copper, the implied value of McEwen's ownership interest is US$456 million (US$7.67 per share). The Los Azules project is designed to be one of the world's first regenerative copper mines and aims to be carbon neutral by 2038. Its Feasibility Study results were announced in a press release dated October 7, 2025.

McEwen also recently purchased a 27.3% stake in Paragon Advanced Labs Inc., a newly listed public company deploying PhotonAssay units worldwide. McEwen believes this technology is poised to become the new industry standard for assaying precious and base metals, with Paragon aiming to be a leading service provider.

Chairman and Chief Owner Rob McEwen has invested over US$250 million personally and takes a salary of $1 per year, aligning his interests with shareholders. He is a recipient of the Order of Canada, a member of the Canadian Mining Hall of Fame, and a winner of the EY Entrepreneur of the Year (Energy) award. His objective is to build MUX's profitability and share value, and ultimately implement a dividend policy, as he did while building Goldcorp Inc.

Advos

Advos

@advos