McEwen Inc. (NYSE:MUX) (TSX: MUX) announces that on November 4, 2026, McEwen acquired ownership of 9,200,000 common shares of Inventus Mining Corporation, pursuant to the exercise of 9,200,000 Common Share purchase warrants at an exercise price of CAD$0.12 per Common Share, for aggregate consideration of CAD$1,104,000.

Prior to the Warrant Exercise, McEwen owned, directly or indirectly, or exercised control or direction over 20,000,000 Common Shares, which, at the time, represented approximately 9% of the total number of issued and outstanding Common Shares of Inventus.

Following the Warrant Exercise, McEwen owned, directly or indirectly, or exercised control or direction over 29,200,000 Common Shares, which represented 12.7% of the total number of issued and outstanding Common Shares of Inventus.

The acquisition of the Common Shares was made by McEwen for investment purposes. In accordance with applicable securities laws, McEwen may, from time to time and at any time, acquire additional Common Shares and/or other equity, debt or other securities or instruments of Inventus (collectively, “Securities”) in the open market or otherwise, and reserves the right to sell or otherwise dispose of any or all of its Securities in the open market or otherwise at any time and from time to time, and to engage in similar transactions with respect to the Securities, the whole depending on market conditions, the business and prospects of Inventus and other relevant factors.

McEwen’s head office is located at 150 King Street West, Suite 2800, Toronto, Ontario, M5H 1J9. Inventus’ head office is located at 82 Richmond St. East, Toronto, Ontario, M5C 1P1.

A copy of the Early Warning Report filed under applicable securities laws will be available under Inventus’ profile on SEDAR+ (www.sedarplus.ca).

ABOUT MCEWEN

McEwen combines growing gold and silver production with a major copper development project and a royalty portfolio across the Americas. McEwen shares trade on the NYSE and TSX under MUX.

McEwen holds a 46.3% interest in McEwen Copper, owner of Los Azules, a large, long-life copper project in San Juan, Argentina. The shovel-ready project completed its Feasibility Study and received approval under Argentina’s Large Investment Regime (RIGI) in 2025.

McEwen also holds a 1.25% net smelter return royalty on Los Azules and a 27% interest in Paragon Advanced Labs Inc., a publicly listed company deploying PhotonAssay™ technology worldwide.

Chairman and Chief Owner Rob McEwen has personally invested over US$293 million and takes a salary of $1 per year, aligning his interests with shareholders. His goal is to multiply the value of shareholders’ investments—and his own—as he did building Goldcorp Inc.