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Minaurum Increases Phase 2 Resource Expansion Drill Program to 50,000 Meters at Alamos Silver Project Minaurum Gold Inc. (“Minaurum” or the “Company”) (TSXV:MGG) (OTCQX:MMRGF) is pleased to announce its plans to expand the Phase II resource -expansion drill program at the

Exploration Programs

NEWS RELEASE

MINAURUM GOLD INC.

FOR RELEASE: December 5, 2025 TRADING SYMBOL TSX.V: MGG

Minaurum Increases Phase 2 Resource Expansion

Drill Program to 50,000 Meters at Alamos Silver Project

Minaurum Gold Inc. (“Minaurum” or the “Company”) (TSXV:MGG) (OTCQX:MMRGF)

is pleased to announce its plans to expand the Phase II resource -expansion drill program at the

Alamos Silver Project in Sonora, Mexico from 25,000 metres to 50,000 metres , and in addition

has issued a stock option grant.

“Driven by exceptional institutional interest in our ongoing financing, w e are excited to

announce plans to expand our Phase II resource -expansion drill program,” said Darrell

Rader, President and CEO. “Drilling continues to deliver high-grade silver intercepts, and the

enhanced 50,000-metre Phase II program positions us to test a greater number of vein -zone

targets and further grow the mineralized footprint, work that will support a major resource

update planned for 2026. The resource update will build on the maiden resource estimate

which the Company anticipates announcing in early 2026.”

The expanded 50,000 m drill program in Phase II will continue to focus on infill and step -out

results from the Phase I Drilling (see Minaurum news release dated November 27, 2025) , with

multiple rigs on site and 263 drill pads already permitted across the project . The program will

include step-out holes at the Europa and Travesia silver shoots, as well as additional drilling at

the historic Quintera and Minas Nuevas mines and the more recent discoveries at Promontorio

Sur, Cotera, Pulpito, and San Jose vein zones (Figure 1).

Minaurum has identified 26 vein zones in a n 11 km x 6 km region covering only one fifth of the

Alamos Silver P roject. Thirteen of the nineteen vein zones drilled returned high -grade silver

intercepts. Only three of the thirteen discoveries will be included in the initial resource estimate.

Implementation of the planned expansion of the drill program remains subject to closing of the

Company’s ongoing financing. Please see Minaurum news release dated December 3, 2025 and

associated offering document for additional details regarding the financing and anticipated use of

proceeds.

Figure 1. Phase II drilling will step out along strike and down-dip of the Phase I–defined resource and test

additional vein zones. The map illustrates vein zones, drill collars, and permitted drill pads across the Alamos Silver

Project. Click to enlarge.

Stock Option Grant

Minaurum also announces it has granted 3,160,000 stock options to directors, officers and

consultants, which can be exercised to receive common shares of the Company (the “Options”).

The Options are exercisable at a price of $0.36 for a period of 5 years from the issue date. The

Options will vest in four equal installments, with the first installment vesting 6 months from the

date of grant, and an additional 25% vesting every 6 months thereafter. All of the Options were

granted pursuant to Minaurum’s Stock Option Plan dated December 3, 2025.

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Minaurum Gold Inc. (MGG | TSX Venture Exchange; MMRGF | OTC; 78M | Frankfurt) is

an Americas-focused explorer concentrating on the high-grade 100% owned, production-permitted

Alamos Silver Project in southern Sonora, Mexico and a portfolio of district -scale projects in

Mexico. Minaurum is managed by one of the strongest technical and finance teams and will

continue its founders' legacy of creating shareholder value by acquiring and developing a pipeline

of Tier-One precious-and base metal projects.

ON BEHALF OF THE BOARD

“Darrell A. Rader”

Darrell A. Rader

President and CEO

For more information, please contact:

Sunny Pannu – Investor Relations and Corporate Development Manager

(778) 330 0994 or via email at [email protected]

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this

news release.

___________________________________________________________________________

1570– 200 Burrard Street Telephone: 1 778 330-0994

Vancouver, BC V6C 3L6 www.minaurum.com

[email protected]

Data review and verification: Stephen R. Maynard, Vice President of Exploration of Minaurum and a Qualified

Person (QP) as defined by National Instrument 43 -101, reviewed and verified the assay data, and has approved the

disclosure in this News Release. Verification was done by visual inspection of core samples and comparison to assay

results. Assay results have not been checked by re-analysis. No factors were identified that could materially affect the

accuracy or reliability of the data presented in this news release.

Cautionary Note Regarding Forward Looking Information and Statements: This news release contains "forward -

looking information" within the meaning of applicable Canadian securities legislation. Generally, but not always,

forward-looking information and forward-looking statements can be identified by the use of words such as "plans",

"expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", or "believes" or the

negative connotation thereof or variations of such words and phrases or state t hat certain actions, events or results

"may", "could", "would", "might" or "will be taken", "occur" or "be achieved" or the negative connotation thereof.

These forward-looking statements include, but are not limited to, statements regarding: the expansion of the Phase II

drill program to 50,000 metres; the anticipated closing of the Company’s ongoing financing; the ability to test a

greater number of vein -zone targets and grow the mineralized footprint; the timing and completion of a maiden

resource estimate in early 2026; the timing and completion of a major resource update in late 2026; the Company’s

belief that that the maiden resource estimate will represent only a fraction of the full potential of the Alamos Silver

Project; and the focus and objectives of the Phase II drill program.

In making the forward-looking statements in this release, Minaurum has applied certain factors and assumptions that

are based on management’s current beliefs as well as assumptions made by and information currently available to

management, including, but not limited to: that the Company will be able to complete the expanded 50,000 metre

Phase II drill program; that the Company will be able to close its ongoing financing, and will be able to do so on the

timeline currently contemplated; that drilling will continue to deliver positive results; that the Company will be able

to complete its maiden resource estimate in early 2026 and a major resource update in late 2026; that the Company's

business plans and objectives will be achievable within the expected time frame; that the Company will have access

to the resources and capital required to pursue its business plans; that commodity prices and market conditions will

be favourable; and that there will be no significant legislative, political, regulatory, economic, or other barriers

preventing the Company from achieving its business objectives.

Readers are cautioned not to place undue reliance on forward -looking information. Forward-looking statements

involve a variety of known and unknown risks, uncertainties and other factors which may cause the actual plans,

intentions, activities, results, performance or achievements of the Company to be materially different from any future

plans, intentions, activ ities, results, performance or achievements expressed or implied by such forward -looking

statements. Such risks include, without limitation: the risk that the Company will not be able to complete its current

financing or will be unable to do so on the timelines anticipated; the risk that the Company is unable to complete the

maiden resource estimate, the major resource update or the Phase II drill program on the timelines anticipated, or at

all; the risk that further drill results on the Alamos Silver Project will not be positive or yield a larger mineral resource

estimate; the volatility of global capital markets and commodity prices; risks related to the Company's operations in

Mexico, including political and regulatory risks; the Company's failure to secure the resources required to complete

its business objectives; and other risks outside of the Company's control. Readers are cautioned not to place undue

reliance on forward -looking statements. No forward -looking statement can be guaranteed and actual future results

may vary materially. Minaurum does not intend, and expressly disclaims any intention or obligation to, update or

revise any forward-looking information whether as a result of new information, future events or otherwise, except as

required by law.