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Magna Mining Announces the Signing of a Definitive Off-Take Agreement for the Crean Hill Project

Mine Development & Operations Partnerships & JV

TSXV: NICU FSE: 8YD

Magna Mining Announces the Signing of a Definitive Off-Take Agreement for the

Crean Hill Project

March 27, 2024, Sudbury, Ontario, Canada – Magna Mining Inc. (TSX.V: NICU) (OTCQB: MGMNF) (FSE:

8YD) (“Magna” or the “Company”) is pleased to announce the signing of a Definitive Off-Take

Agreement (the “Agreement”) with Vale Base Metals wholly-owned subsidiary Vale Canada (“Vale”) for

the advanced exploration portion of the Crean Hill Project.

Jason Jessup, CEO of Magna Mining stated, “We are extremely pleased to be able to announce the

signing of the Definitive Off-Take Agreement with Vale. This Agreement is the culmination of several

months of work with Vale and we are quite pleased with the outcome. Additionally, the recent

announcement of the filed Amended Closure Plan has Magna on track to have all the permits in place to

develop the ramp from surface, which will allow for underground test mining and set up for a future

commercial production decision.”

Under the Agreement initial production would be shipped to Vale’s Clarabelle Mill in Sudbury for

processing. This includes material from the Main, Intermediate, 9400, 9400 Footwall and 101 Footwall

zones. The 109 Footwall zone is excluded from the Agreement and is planned to be processed through

an alternative mill with potentially increased precious metal recovery during the advanced exploration

period. In advance of negotiating the Agreement, Magna completed an extensive test program at a

third-party metallurgical facility using representative ore samples from the Crean Hill deposit. The

results were used to develop recovery predictions at varying ore feed grades and producing a high

concentrate grade consistent with the Clarabelle Mill flowsheet. The predicted mill recovery from the

test work was calculated at 80.5% Ni, 93.6% Cu and approximately 70% for Co, Pt, Pd, Au. These

recoveries were established using Magna’s internal (non NI 43-101 compliant) estimates of potentially

minable grades for advanced exploration (Table 1). These results were used to determine nickel and

copper concentrate smelting and refining treatment terms, which were negotiated and resulted in the

Agreement between Magna and Vale.

Table 1. Average Advanced Exploration Estimated Grades*

Metal Grade*

Nickel 1.5 %

Copper 1.0 %

Total Precious Metals

(Pt, Pd, Au)

1.0 g/t

*Non NI 43-101 compliant internal estimate of potentially minable grades

As stated in the news release dated March 4, 2024, Magna has also submitted an application for a

Permit to Take Water (PTTW) to the Ministry of Environment, Conservation and Parks (MECP). In

September 2023, Magna received comments back from the MECP on the application, amendments to

the application were made in October and December 2023 and Magna has been in correspondence with

the MECP since then. Magna anticipates having the PTTW approved before the end of Q2 2024. This

permit will allow Magna to dewater the underground workings at Crean Hill, which is necessary for the

commencement of underground advanced exploration and test mining.

The advanced exploration grades used for the negotiation of the Agreement were based on the August

19, 2022 Mineral Resource Estimate (“MRE”) and did not include the assay results from the more than

19,000 metres of diamond drilling completed at Crean Hill since the MRE was announced. Magna is

planning on updating the MRE in Q2 2024, which will be used for final underground stope designs.

Based on the diamond drilling results reported in 2023, Magna anticipates the possibility of improved

grades in some areas of the advanced exploration test mining compared to those based on the 2022

MRE.

Magna is currently exploring several non-equity sources of capital to fund underground advanced

exploration. This may include funding in the form of government grants and/or a by-product metal

stream. Magna is fully funded for a 25,000 m exploration drilling program in 2024 which is focused on

making new discoveries at the Crean Hill and Shakespeare projects. Diamond drills are currently

operating at both sites with assay results expected monthly for the remainder of 2024.

Issuance of RSU’s

Effective June 9, 2023, Magna granted 25,000 restricted share units (“RSU’”) pursuant to its restricted

share unit plan to Ann-Marie Finney, the Chief Financial Officer of Magna. The RSU’s vest three years

following the grant date.

Qualified Person

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, Technical Services 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 Platinum

Group Metals (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 180km2 prospective land package.

Crean Hill is a past producing nickel, copper and PGM mine with a technical report dated July 2023.

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

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

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.