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SOI.V ·

Sirios adds $3.5 million to its cash reserves following the exercise of warrants and stock options

Sirios adds $3.5 million to its cash reserves following the

exercise of warrants and stock options

Montreal (Quebec) — May 12, 2026 — Sirios Resources Inc. (TSX-V:SOI ; OTCQB:SIREF)

(“Sirios” or “the Company”) announces an additional capital injection, which provides it with

greater financial flexibility to carry out its exploration and investment programs.

Since the update on January 15, 2026, the exercise of 28,439,748 warrants and 2,100,000

options has added $3,472,730 to Sirios’s cash balance and resulted in the issuance of 30,539,748

shares. There are now 671,119,508 common shares outstanding. The warrants and options

exercised were due to expire in April 2026, December 2026, and July 2027. Of this amount, $0.5

million comes from warrants exercised by NQ Investissement Minier and $1 million from the early

exercise of warrants due to expire in 2027 by CDPQ Sodémex Inc., a wholly owned subsidiary of

La Caisse de dépôt et placement du Québec.

“These transactions reflect the ongoing support of our long- standing shareholders and

demonstrate their confidence in our growth plan. The participation of Quebec institutional funds

is yet another demonstration of their support for Sirios,” said Jean-Félix Lepage, CEO of Sirios.

Sirios will participate in financial conferences in the second quarter

As part of its ongoing commitment to enhancing its market visibility and shareholder engagement,

Sirios will participate in the following conferences:

• Deutsche Goldmesse, May 15–16, Frankfurt, Germany

• Current Trends in Mining Finance, presented by SME NYC, May 19–20, New York

• OTC Hybrid Conference, May 21, New York and virtual

• THE Mining Investment Event of the North, Quebec City, June 2–4

In addition, Jean-Félix Lepage will hold a series of one-on-one meetings with investors in Zurich,

Munich, Brussels, Bruges, and New York. Full details regarding these events are available on the

Sirios website. To request an invitation, please send an email to [email protected].

About Sirios

Sirios Resources is a Quebec -based mineral exploration company focused on developing its

Cheechoo gold deposit, as well as exploring and advancing its other high-potential gold projects

in the Eeyou Istchee James Bay region of Canada. On December 11, 2025, Sirios announced

the details of the acquisition of OVI Mining, a milestone in the company’s history.

Contact

Jean-Félix Lepage, CEO

Phone : 438-454-5636

[email protected]

www.sirios.com

Cautionary Note Regarding Forward-Looking Statements

This press release contains “forward-looking statements” within the meaning of applicable Canadian securities laws,

based on expectations, estimates, and projections as of the date of this press release. Forward-looking statements

involve risks, uncertainties, and other factors that could cause actual events, results, performance, expectations, and

opportunities to differ materially from those expressed or implied in such forward-looking statements. Factors that could

cause actual results to differ material ly from those indicated in these forward-looking statements include, but are not

limited to: capital and operating costs that differ materially from estimates; the preliminary nature of metallurgical test

results; delays or failures in obtaining required governmental, environmental, or other approvals; uncertainties

regarding the availability and cost of necessary future financing; changes in financial markets; inflation; fluctuations in

metal prices; delays in project development; other risks associated wi th the mineral exploration and development

industry; and the risks disclosed in the Company’s public filings on SEDAR+ at www.sedarplus.ca. Although the

Company believes that the assumptions and factors used to prepare the forward-looking statements contained in this

press release are reasonable, readers should not place undue reliance on this information, which is valid only as of the

date of this press release, and there is no guarantee that these events will occur or occur within the timeframes

indicated. The Company disclaims any intention or obligation to update or revise any forward-looking statements,

whether as a result of new information, future events, or otherwise, except as required by applicable law.

Neither the TSX Venture Exchange nor its regulatory services provider (as defined in the policies of the TSX

Venture Exchange) accepts any responsibility for the adequacy or accuracy of this press release.