Altius Minerals Corporation (ALS:TSX) (ATUSF: OTCQX) (“Altius” or the “Corporation”) is pleased to announce that it has renewed its Normal Course Issuer Bid (“NCIB”) by which it may purchase at market price up to 1,864,265 common shares (“Shares”), being approximately 4.02% of the 46,315,304 common shares issued and outstanding as of August 12, 2025, through the facilities of the Toronto Stock Exchange(“TSX”) or a Canadian alternative trading system

Altius Minerals Corporation (TSX: ALS) (OTCQX: ATUSF) Altius Minerals Corporation (“Altius”) hasreceived a final award decision by an arbitration tribunal relating to the extents of its royalty interests withinthe emerging Silicon gold district (Arthur Gold district) in Nevada.

Altius Minerals Corporation (TSX: ALS; OTCQX: ATUSF) (“Altius” or the “Corporation”) reports its Q2 2025revenue of $9.8 million compared to $19.5 million in Q2 2024. Attributable royalty revenue(1) of $12.7 million ($0.27per share(1)) compares to $20.4 million ($0.44 per share) reported in Q2 2024.

Altius Minerals Corporation (TSX: ALS) (OTCQX: ATUSF) Altius Minerals Corporation (“Altius”) is pleased to announce that Altius Royalty Corporation (“ARC”), a wholly-owned subsidiary of Altius, has completed the sale of a 1% NSR royalty covering the Silicon and Merlin gold deposit discoveries in Nevada (“1% NSR Silicon Royalty”) to a wholly owned subsidiary of Franco-Nevada Corporation(“Franco-Nevada”) (TSX & NYSE: FNV) (“The Transaction”), pursuant to a royalty purchase agreement entered into by ARC and Franco-Nevada (the “Agreement”).

Altius Minerals Corporation (ALS: TSX) (ATUSF: OTCQX) (“Altius” or the “Corporation”) expects to report Q2 2025 attributable royalty revenue(1) of $12.7 million.