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Altius Reports Q3 2025 Expected Attributable Revenue(1)

Financials

Altius Minerals Corporation TSX: ALS | OTCQX: ATUSF

October 15, 2025 | St. John’s, Newfoundland

Altius Reports Q3 2025 Expected Attributable Revenue(1)

All references in thousands of Canadian dollars, except per share amounts, unless otherwise indicated

Altius Minerals Corporation (ALS: TSX) (ATUSF: OTCQX) (“Altius” or the “Corporation”) expects to

report Q3 2025 attributable royalty revenue(1) of approximately $21.2 million.

Royalty Revenue Summary

Summary of attributable royalty revenue(1) Q3 2025 Q2 2025 Q3 2024

Base & battery metals $ 7,421 $ 4,694 $ 5,437

Potash 5,525 4,115 3,585

Iron ore# 1,496 1,122 2,618

Renewable energy## 3,327 2,100 2,000

Interest and other 3,395 638 1,036

$ 21,164 $ 12,669 $ 14,676

(#) Labrador Iron Ore Royalty Corporation dividends received

(##) Effective 29% interest in renewable royalty revenue

Base and battery metals (primarily copper) revenue of $7.4 million for the quarter reflects higher realized

prices and copper stream deliveries at Chapada.

The Corporation's preliminary cost of sales for the Chapada copper strea m, excluding any depletion, is

$2.1 million for the quarter.

Potash portfolio revenue during the quarter was $5.5 milli on, reflecting higher realized prices and

attributable volumes.

Iron ore royalty revenue in the form of dividends from Labrador Iron Ore Royalty Corp., which serves as a

pass-through vehicle for royalty inc ome and equity dividends related to the operations of Iron Ore

Company of Canada, was $1.5 million for the quarter.

Renewable energy royalty revenue of $3.3 million reflects the continuing ramp up of operational stage

portfolio projects and income related to the financing of interconnection deposits.

Interest and other revenue reflects $3.1 million of interest income on the Corporation's increased cash

balance following receipt of proceeds from the Orogen Royalties acquisition by Triple Flag Precious

Metals and the sale of the Corporation's 1.0% NSR on the Arthur Project in Nevada.

Altius Minerals Corporation TSX: ALS | OTCQX: ATUSF

Non GAAP Financial Measures

1. Management uses the following non -GAAP financial measures: attributable revenue, attributable royalty revenue,

adjusted earnings before interest, taxes, depreciation and amortization (adjusted EBITDA), adjusted operating cash

flow and adjusted net earnings (loss). Management uses these measures to monitor the financial performance of

the Corporation and its operating segments and believes these measures enable investors and analysts to compare

the Corporation’s financial performance with its competitors and/or evaluate the results of its underlying business.

These measures are intended to provide additional information, not to replace International Financial Reporting

Standards (IFRS) measures, and do not have a standard definition under IFRS and should not be considered in

isolation or as a substitute for measures of performance prepared in accordance with IFRS. As these measures do

not have a standardized meaning, they may not be comparable to similar measures provided by other companies.

Further information on the composition and usefulness of each non -GAAP financial measure, including

reconciliation to their most directly comparable IFRS measures, is included in the non -GAAP financial measures

section of our MD&A.

Third Quarter 2025 Financial Results Conference Call and Webcast Details

Additional details relating to individual royalty performances and asset level developments will be

provided with the release of our quarterly financial results, which will occur on November 11, 2025 after

the close of market, with a conference call to follow on November 12, 2025.

Date: November 12, 2025

Time: 9:00 AM ET

Toll Free Dial-In Number: +1-800-717-1738

International Dial-In Number: +1-289-514-5100

Conference Call Title and ID: Altius Minerals Q3 2025 Financial Results, ID 20444

Webcast Link: Q3 2025 Financial Results

About Altius

Altius’s strategy is to create per share growth through a diversified portfolio of royalty assets that relate to

long life, high margin operations. This strategy further provides shareholders with exposures that are well

aligned with sustainability -related global growth trends including the electricity generation transition from

fossil fuel to renewables, transportation electrification, reduced emissions from steelmaking and

increasing agricultural yield requirements. These macro -trends each hold the potential to cause increased

demand for many of Altius’s commodity exposures including copper, renewable based electricity, several

key battery metals (lithium, nickel and cobalt), clean iron ore, and potash. In addition, Altius runs a

successful Project Generation business that originates mineral projects for sale to developers in

exchange for equity positions and royalties. Altius has 46,276,054 common shares issued and

outstanding that are listed on Canada’s Toronto Stock Exchange. It is included in each of the S&P/TSX

Small Cap, the S&P/TSX Global Mining, and the S&P/TSX Canadian Dividend Aristocrats indices.

Forward-looking information

This news release contains forward ‐looking information. The statements are based on reasonable

assumptions and expectations of management and Altius provides no assurance that actual events will

meet management's expectations. In certain cases, forward ‐looking information may be identified by such

terms as "anticipates", "believes", "could", "estimates", "expects", "may", "shall", "will", or "would".

Although Altius believes the expectations expressed in such forward ‐looking statements are based on

reasonable assumptions, such statements are not guarantees of future performance and actual results or

developments may differ materially from those projected. Readers should not place undue reliance on

forward-looking information. Altius does not undertake to update any forward -looking information

contained herein except in accordance with securities regulations.

For further information, please contact:

Flora Wood

Email: [email protected]

Tel: 1.877.576.2209

Direct: +1 (416) 346.9020

Stephanie Hussey

Email: [email protected]

Tel: 1.877.576.2209