Altius updates Q2 2026 project generation

Altius Minerals Corporation (TSX:ALS) (OTCQX:ATUSF) (“Altius”) is pleased to update its Project Generation (“PG”) business activities and its junior equities portfolio. The market value of equities in the portfolio at June 30, 2026 was approximately $80.4 million, compared to $70 million at March 31, 2026. Net portfolio investment of approximately $12.5 million was completed during the quarter.

During the quarter Altius participated in equity financings closed by existing and new portfolio companies, with approximately $4.2 million invested in TNR Gold Corp. (TSX-V: TNR) ("TNR") (see announcement by TNR dated May 25, 2026), and smaller amounts into existing investee companies Blue Moon Metals Inc. (TSX-V: MOON) ("Blue Moon") and private company Aurum Discovery Limited. In addition, Altius participated in an equity financing in Buffalo Potash Corp and private company Gilpas Resources Ltd. and created new royalty opportunities in each. An updated list of the public equity holdings has been posted to the Altius website at https://altiusminerals.com/investor-information/junior-equities-portfolio/ .

Development-Stage Royalty Updates Argentina’s Ministry of Economy announced the approval of Zijin Mining Group’s (“Zijin”) Tres Quebradas expansion under the RIGI investment regime where Zijin is committing US$709 million in capital for project expansion. The RIGI-protected Phase 2 expansion will bring on an additional 40,000 tonnes of lithium carbonate (LCE) per year, pushing total combined output to between 60,000 and 80,000 tonnes of LCE per year. Zijin reports a resource at Tres Quebradas of 8.42 Mt of LCE.

Altius holds a 1% GOR on Tres Quebradas. Atlas Lithium Corporation (NASDAQ: ATLX) (“Atlas Lithium”) recently announced that it is on track for first commercial production of lithium oxide concentrate in the fourth quarter of 2027 from its Neves Project, which is designed to produce approximately 150,000 tonnes of high-quality lithium oxide concentrate per year. Altius holds a 3% GOR on the Neves Project.

Salazar Resources Limited (TSX-V: SRL) ("Salazar") and Silvercorp Metals Inc. (TSX: SVM) ("Silvercorp") have recently separately reported (see S alazar news and Silvercorp update ) an updated independent NI 43-101 Technical Report for Silvercorp on the Curipamba–El Domo polymetallic project, with an effective date of December 31, 2025, which includes a comparison with the 2021 Feasibility Study. The parties reported an increase of 27% to the Measured and Indicated resources from 9 Mt to 11.4Mt grading 1.85% Cu, 2.11 g/t Au, 2.42% Zn, 0.22% Pb, and 41.69 g/t Ag and an increase to Inferred mineral resources of 245% from 1.1 Mt to 3.8 Mt, grading 0.46% Cu, 0.97% Zn, 0.13% Pb, 0.80 g/t Au, and 28.49 g/t Ag at El Domo. Reserves have also increased by 10% to 7.13 Mt from 6.48 Mt which has resulted in an increased mine life of 2.5 years from 9 years to 11.5 years, excluding construction.

Silvercorp continues to expect first production to begin in H2 2027. Altius holds a 2% NSR royalty on the Curipamba project. Portfolio Highlights Buffalo Potash Corp. (TSX.V: BUFF) ("Buffalo") is a Saskatchewan-based potash developer pursuing a modular approach to solution mining through its patented Horizontal Line‑Drive (HLD) technology.