NICU.V · 2025-12-31 12:00:00

Magna Mining Files Technical Report for the Mineral Resource Estimate on the Levack Mine Property in Sudbury

Resource Estimates Technical Reports (NI 43-101)

Magna Mining Files Technical Report for the Mineral Resource Estimate on the

Levack Mine Property in Sudbury

December 31, 2025, Sudbury, Ontario, Canada – Magna Mining Inc. (TSXV: NICU) (OTCQX: MGMNF) (FSE:

8YD) (“Magna” or the “Company”) is pleased to announce that further to its news release dated

November 18, 2025 titled “ Magna Mining Reports Mineral Resource Estimate for the Levack Mine in

Sudbury, Ontario” the Company has filed on SEDAR + an independent technical report titled “Technical

Report on the Mineral Resource Estimate For the Levack Mine Property”.

The technical report has been filed in accordance with National Instrument 43 -101 – Standards of

Disclosure for Mineral Projects. A copy of the technical report is available under the Company’s profile on

the SEDAR+ website at www.sedarplus.ca.

The independent technical report is dated December 31, 2025, with an effective date of August 31, 2025,

and was prepared by Orix Geoscience Inc.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accept responsibility for the adequacy or accuracy of this press

release.

About Magna Mining Inc.

Magna Mining Inc. is a producing mining company with a strong portfolio of copper, nickel, and platinum

group metals (PGM) assets located in the world -class Sudbury mining district of Ontario, Canada. The

Company’s primary asset is the McCreedy West Mine, currently in production, supported by a pipeline of

highly prospective past-producing properties including Levack, Crean Hill, Podolsky, and Shakespeare.

Magna Mining is strategically positioned to unlock long -term shareholder value through continued

production, exploration upside, and near-term development opportunities across its asset base.

Additional corporate and project information is available at www.magnamining.com and through the

Company’s public filings on the SEDAR+ website at www.sedarplus.ca.

For further information, please contact:

Jason Jessup

Chief Executive Officer

Paul Fowler, CFA

Executive Vice President

705-482-9667