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Notice of Correction to News Release Dated

Regulatory & Compliance

Notice of Correction to News Release Dated

September 17, 2024, Regarding Updated Crean

Hill PEA

Sudbury, Ontario--(Newsfile Corp. - September 17, 2024) - Magna Mining Inc. (TSXV: NICU) (OTCQB:

MGMNF) (FSE: 8YD) ("Magna" or the "Company") issued a news release earlier today announcing the

results of an Updated Preliminary Economic Assessment ("PEA") by SGS Geological Services (SGS)

on its 100% owned Crean Hill Project located in Sudbury, Ontario, Canada.

The September 17

th

news release contained two summary tables (Tables 1 and 9) outlining the Pre and

Post Tax NPV and IRR's of the Crean Hill Project. Table 1 contained the correct numbers, while table 9

incorrectly understated the corresponding numbers. The correct numbers are as follows (as previously

reported in Table 1).

Crean Hill PEA Summary

Pre-Tax NPV (8%)

$M

265.3

Pre-Tax IRR

%

142

Post Tax NPV (8%)

$M

194.1

Post Tax IRR

%

129

A technical report supporting the PEA will be filed by the Company with Canadian securities regulatory

authorities within 45 days of this news release.

The technical information in this press release has been reviewed and approved by David King, M.Sc.,

P.Geo. Mr. King is the Senior Vice President, Exploration and Geoscience for Magna Mining Inc. and is

a qualified person under Canadian National Instrument 43-101.

About Magna Mining Inc.

Magna Mining is an exploration and development company focused on nickel, copper and PGM projects

in the Sudbury region of Ontario, Canada. The Company's flagship assets are the past producing

Shakespeare and Crean Hill Mines. The Shakespeare Mine is a feasibility stage project which has

major permits for the construction of a 4,500 tonne per day open pit mine, processing plant and tailings

storage facility and is surrounded by a contiguous 180km

2

prospective land package. Crean Hill is a

past producing nickel, copper and PGM mine with a technical report dated September 2024. Additional

information about the Company is available on SEDAR (

www.sedar.com

) and on the Company's

website (

www.magnamining.com

).

For further information, please contact:

Jason Jessup

Chief Executive Officer

or

Paul Fowler, CFA

Senior Vice President

416-356-8165

Email:

[email protected]

Cautionary Statement

This press release contains certain forward-looking information or forward-looking statements as

defined in applicable securities laws. Forward-looking statements are not historical facts and are

subject to several risks and uncertainties beyond the Company's control, including statements

regarding the PEA, the production at the Shakespeare and Crean Hill Mines, the economic and

operational potential of the Shakespeare and Crean Hill Mines, potential acquisitions, plans to

complete exploration programs, potential mineralization, exploration results and statements regarding

beliefs, plans, expectations, or intentions of the Company. Resource exploration and development is

highly speculative, characterized by several significant risks, which even a combination of careful

evaluation, experience and knowledge may not eliminate. All forward-looking statements herein are

qualified by this cautionary statement. Accordingly, readers should not place undue reliance on

forward-looking statements. The Company undertakes no obligation to update publicly or otherwise

revise any forward-looking statements whether as a result of new information or future events or

otherwise, except as may be required by law.

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.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/223690