McEwen Mining Inc.

Gold assay results have been intercepted in additional drill holes demonstrating continuity and predictability of the new 320 meter expansion area of the Golden Gate Zone to the Northeast (see news August 10, 2026).The Golden Gate Zone has been expanded by an aggregate of 860 meters (320 meters NE & 540 meters SW) confirmed by the drill bit from this years drilling program (see news July 15, 2026); it still remains open laterally and at depth (see Figures 1a and 1b). Accompanying infographics are available at:https://www.globenewswire.com/NewsRoom/AttachmentNg/f3c0c892-01d7-4...

(See Glossary for Defined Terms) TORONTO, Aug. 05, 2026 (GLOBE NEWSWIRE) -- McEwen Inc. (NYSE/TSX: MUX) (“McEwen” or the “Company”) today announced its second quarter financial results for the period ended June 30, 2026 (Q2). In addition, the Company is providing an update on its development projects that are forecasted to increase annual production to 250,000 – 300,000 GEOs by 2030 and new exploration results that have intersected very encouraging high grades at the Grey Fox Project, part of the Fox Complex (97.7 gpt gold over 4.4 meters...

Assay results from multiple gold-rich drill intercepts from 2026 drilling, have confirmed expansion of the Bonanza and Golden Gate Zones that remain open (see Figure 1): An accompanying infographic is available at: https://www.globenewswire.com/NewsRoom/AttachmentNg/45899e21-381f-40d6-b035-8a62137933c8 Gold mineralization has been confirmed with assays from drill hole GD-26-417 expanding the Bonanza and Golden Gate zones by 540 meters to the southwest. Assays are pending on additional drill holes in these areas that could potentially confirm the expansion of the Bonanza and G...