MUX · McEwen Inc.

An archived replay of the webcast will be available approximately 2 hours following the conclusion of the live event.

An archived replay of the webcast will be available approximately 2 hours following the conclusion of the live event.

TORONTO, March 09, 2026 (GLOBE NEWSWIRE) - McEwen Inc. (NYSE/TSX: MUX) (“McEwen”, "MUX" or the "Company”) invites you to join our Q4 and year-end 2025 conference call that will take place on Thursday, March 12, 2026, at 3:00 PM EDT . Management will discuss our financial results and project developments and follow with a question-and-answer session. Participants can ask questions directly over the phone during the webcast. Thursday, March 12, 2026 at 3:00 PM EDT Toll Free North America: (888) 210-3454 Toll Dial-In: (646) 960-0130 International Dial-In: https://events.q4irportal.com/custom/access/2324/ Conference ID Number: 3232920 Webcast Link: https://events.q4inc.com/attendee/594254930/guest An archived replay of the webcast will be available approximately two hours after the conclusion of the live event. Access the replay on the Company’s media page at https://www.mcewenmining.com/media . ABOUT MCEWEN McEwen shares trade on both the NYSE and TSX under the

TORONTO and VANCOUVER, British Columbia, Jan. 28, 2026 (GLOBE NEWSWIRE) - McEwen Inc. (“ McEwen ”) (NYSE/TSX:MUX) and Golden Lake Exploration Inc. (“ Golden Lake ”) (CSE:GLM) are pleased to announce that they have entered into a Definitive Agreement (the " Agreement ") on January 28, 2026 in respect of a proposed transaction (the " Proposed Transaction "), whereby McEwen would acquire all of the issued and outstanding shares of Golden Lake by way of plan of arrangement. If the Proposed Transaction is completed, Golden Lake would become a wholly-owned subsidiary of McEwen. Golden Lake’s principal asset is its 100%-owned Jewel Ridge and Jewel Ridge West projects located adjacent to McEwen’s Windfall and Lookout Mountain discoveries, part of the Gold Bar Mine Complex, in the Eureka Mining District of Nevada. Historical drill highlights from Jewel Ridge project include 2.20 gpt gold over 28.96 meters , 1.24 gpt gold over 56.39 meters , 2.37 gpt gold over 67.57 meters . These holes are

TORONTO, Jan. 27, 2026 (GLOBE NEWSWIRE) - McEwen Inc. ( NYSE/TSX: MUX ) (“McEwen” or the “Company”) announces new drill results from the Gold Bar Mine Complex in the Eureka Mining District of Nevada, that continues to highlight the mine’s transformation into a potential long-life operation. Results include the best hole drilled by McEwen to date at Windfall, which returned 5.55 gpt gold over 44.2 meters . Windfall, Lookout Mountain and Unity Ridge are three deposits at the Gold Bar Mine Complex that McEwen is advancing towards production. Gold Bar is an important part of the Company’s plan to double production by 2030. Best Hole Drilled by McEwen at Windfall – Now Targeting Deeper Extensions Over the past six months, drilling at the northern end of the Windfall deposit has been returning good gold grades over long widths, with today’s result from drill hole WF110 intersecting 5.55 gpt gold over 44.2 meters , including 48.38 gpt gold over 4.6 meters of oxide mineralization. This result

TORONTO, Jan. 20, 2026 (GLOBE NEWSWIRE) - McEwen Inc. ( NYSE/TSX: MUX ) (“McEwen” or the “Company”) is pleased to report its Year-End 2025 Mineral Resource Estimate for the Grey Fox Project, part of the Fox Complex in Timmins, Ontario. The 2025 Mineral Resource Estimate at Grey Fox now totals 1.9 million Indicated gold ounces and 436,000 Inferred gold ounces (calculated using a US$3,000 per ounce gold price) , with good potential to increase the size of the resource through: 1) The recently acquired adjacent Stroud Property that contains a historical resource ( Fig. 1 ), 2) New drill results received after the resource estimate cut-off date and 3) Optimization of the mine and plant design. Grey Fox will be an important part of the Company’s goal of doubling production by 2030, as we continue the Fox Complex’s transition into a long-life mining operation. Grey Fox was previously envisioned as an underground project. The Company is now balancing both underground and open pit mining

TORONTO, Jan. 13, 2026 (GLOBE NEWSWIRE) - McEwen Inc. ( NYSE/TSX: MUX ) (“McEwen” or the “Company”) is pleased to announce the final drill results to be included in the upcoming Mineral Resource Estimate for the Tartan Mine Project, near Flin Flon, Manitoba ( Fig. 1 ). McEwen completed the acquisition of Tartan on January 5, 2026, through the purchase of Canadian Gold Corp. The updated Mineral Resource Estimate is expected to be released by the end of February and will be used to develop future plans as the Company targets doubling production by 2030. Highlights from the recent results include an intercept of 7.5 gpt gold over 18.9 metres . This expands the gold mineralization along the Western Flank beyond the previous result reported by Canadian Gold Corp., which returned 12.3 gpt gold over 14.0 metres (press release dated November 27, 2025 ). There appears to be excellent potential to further expand the size of the Tartan resource as the Main Zone is widening at depth while

TORONTO and FLIN FLON, Manitoba, Jan. 06, 2026 (GLOBE NEWSWIRE) - McEwen Inc. (“ McEwen ”) (NYSE/TSX:MUX) and Canadian Gold Corp. (“ Canadian Gold ”) (TSX-V:CGC) are pleased to announce the completion of the previously announced business combination between McEwen and Canadian Gold by way of statutory plan of arrangement (the “ Arrangement ”). Shareholders of Canadian Gold approved the Arrangement on December 5, 2025 and a final order approving the Arrangement was issued by the British Columbia Supreme Court on December 10, 2025, as amended by a further order of the British Columbia Supreme Court according to the Amending Agreement described below. The Arrangement was completed under the Business Corporations Act (British Columbia) and was deemed to become effective at 8:00 a.m. Vancouver time on January 5, 2026. Under the terms of the Arrangement Agreement, which was negotiated at arms-length, each holder of the common shares of Canadian Gold (each, a “ Canadian Gold Share ”) will