McEwen Mining Inc. (NYSE: MUX) (TSX: MUX) announced it has filed an independent National Instrument 43-101 technical report for its Tartan Mine Project in Manitoba, supporting the previously reported mineral resource estimate. The report confirms 308,900 ounces of gold in indicated resources and 302,700 ounces in inferred resources, with an effective date of Dec. 31, 2025. This filing marks a key step in advancing the project, which is part of McEwen's broader 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 provides a detailed assessment of the project's geology, mineralization, and resource estimation methodology. By filing the NI 43-101 report, McEwen complies with regulatory requirements and provides transparency to investors regarding the project's potential. The resource estimate positions Tartan as a significant gold asset within McEwen's portfolio, which also includes operations in Nevada, Ontario, Mexico, and Argentina.
McEwen Mining is focused on growing its gold and silver production while advancing its large copper development project, Los Azules, in Argentina. The company holds a 46.3% interest in McEwen Copper, which owns the Los Azules copper project. 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.
In addition to its mining assets, McEwen recently purchased a 27.3% stake in Paragon Advanced Labs Inc., a company deploying PhotonAssay units globally. This technology is expected to become a new industry standard for assaying precious and base metals. Chairman and Chief Owner Rob McEwen has invested over US$250 million personally in the company and takes a salary of $1 per year, aligning his interests with shareholders. He is a recipient of the Order of Canada and a member of the Canadian Mining Hall of Fame.
Investors can access the full press release and additional details about the Tartan Mine Project at https://ibn.fm/pz0hW. For more information about McEwen Mining, visit the company’s newsroom at https://ibn.fm/MUX.


